ML043570111

Trojan Nuclear Plant Final Survey Report for Spent Fuel Pool (SFP) Impacted Areas

ML043570111
Person / Time
Site:	Trojan File:Portland General Electric icon.png
Issue date:	12/16/2004
From:	Quennoz S Portland General Electric Co
To:	Document Control Desk, NRC/FSME
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+sispmjr200507, VPN-076-2004
Download: ML043570111 (342)

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     /GPGE             Portland General Electric Company December 16,2004 K
               /       Trojan Nuclear Plant 71760 Columbia River HivyDembr1,20 Rainier, OR 97048 (503) 556-3713                                   VPN-076-2004 Trojan Nuclear Plant License NPF-I Docket 50-344 ATTN: Document Control Desk U. S. Nuclear Regulatory Commission Washington, DC 20555-0001 Trojan Nuclear Plant Final Survey Report for Spent Fuel Pool (SFP) Impacted Areas The enclosure to this letter provides Portland General Electric Company's Final Survey Report for the Trojan Nuclear Plant SFP Impacted Areas. The report is presented in two volumes. The first volume is the main report documenting the results and conclusions of the final survey of the SFP Impacted Areas. The second volume is a supplement to the main report that provides scan measurement data and survey maps documenting where scan surveys were performed in each survey unit.

Data collection for the final survey of these areas began in August 2004 and was completed in November 2004. The report documents the results and conclusions of the survey, and was prepared in accordance with guidance and requirements contained in the following:

• Portland General Electric Topical Report PGE 1061, Trojan Nuclear Plant Defueled SafetyAnalysis Report andLicense Termination Plan (PGE-1078),
• NUREG 1727, NMSS DecommissioningStandardReview Plan, Section 14.5

[Superceded by NUREG 1757 in September 2003],

• NUREG 1575, Multi-Agency Radiation Survey and Site Investigation Manual (MARSSIM), Section 8.6, and
• NUREG 1757, Volume 2, ConsolidatedNMSS DecommissioningGuidance -

Characterization,Survey, and Determinationof RadiologicalCriteria, Section 4.5 The attachment to this letter indicates where each of the requirements in the documents listed above is addressed. Connecting People, Power and Possibilities

VPN-076-2004 December 16, 2004 Page 2 of 2 The data collected during final survey demonstrate that each survey unit of SFP Impacted Areas meets the radiological criteria for unrestricted use specified in 10 CFR 20.1402. On that basis, Portland General Electric Company has concluded that each of these areas meets regulatory requirements for release to unrestricted use. To support Portland General Electric Company's plans to have its Trojan Nuclear Plant license terminated in 2005 per 10 CFR 50.82(a)(l 1), it is requested that the Nuclear Regulatory Commission review this data package for acceptance of this portion of the site final radiological survey. Should you have any questions concerning this matter, please contact Mr. Jerry D. Reid of my staff at (503) 556-6474. Sincerely, Stephen M. Quennoz Vice President, Generation Attachment Enclosure c: Director, NRC Region IV/DNMS J. T. Buckley, NMSS/DWM/DCB (3 Copies) R. J. Evans, NRC Region IV/DNMS/FCDB D. Stewart-Smith, ODOE A. Bless, ODOE M. Dibblee, EFSC

S. Attachment VPN-076-2004 December 16, 2004 Page I of 8 Guidance/Requirement Source Where Addressed a final survey report will be prepared PGE 1061 - Trojan License Final Survey Report - Section 1.1, Section 5 which summarizes the data and documents Termination Plan - Section 4.1.3 the conclusion that the TNP facility and site meet the 10 CFR 20.1402 release criteria and can be released for unrestricted use. ... and in the final survey report. The PGE 1061 - Trojan License Final Survey Report - Section 1.1, Section 5 final survey report is prepared which Termination Plan - Section 4.2.5.5 summarizes the data and states the conclusions. The report will provide a summary of the PGE 1061 - Trojan License Final Survey Report - Section 4.2.4, Table 4-1 ALARA evaluations. Termination Plan - Section 4.7.3 The report will provide a summary of the PGE 1061 - Trojan License Final Survey Report -Section 3, Table 3-1, survey data results. Termination Plan - Section 4.7.3 Table 3-2 The report will provide a summary of the PGE 1061 -Trojan License Final Survey Report -Section 5, Table 4-1 overall conclusions. Termination Plan - Section 4.7.3 Information such as the number and type PGE 1061 - Trojan License Final Survey Report - Section 3, of measurements ... will be included in the Termination Plan - Section 4.7.3 Table 3-1, Appendix B report. Information such as basic statistical PGE 1061 - Trojan License Final Survey Report - Appendix B quantities.. .will be included in the report. Termination Plan - Section 4.7.3 Information such as statistical test PGE 1061 - Trojan License Final Survey Report - Appendix B results .. will be included in the report. Termination Plan - Section 4.7.3 The information should include: NUREG 1727 - NMSS Final Survey Report -Section 3, Table 3-1 An overview of the results of the final Decommissioning Standard Review status survey. Plan, Rev 0, Section 14.5

                                                                                                                       *4 Attachment VPN-076-2004 December 16, 2004 Page2of8 Guidance/Requirement                      Source                          Where Addressed The information should include:           NUREG 1727 - NMSS               N/A. Survey performed in accordance with A discussion of any changes that were     Decommissioning Standard Review PGE 1061 - Trojan License Termination Plan.

made in the final status survey from what Plan, Rev 0, Section 14.5 was proposed in the Decommissioning Plan or other prior submittals. The information should include: A NUREG 1727 - NMSS Final Survey Report -Section 2.3.2.2, Section description of the method by which the Decommissioning Standard Review 4.1.3.3 number of samples was determined for Plan, Rev 0, Section 14.5 each survey unit. The information should include: A NUREG 1727 -NMSS PGE 1061 - Trojan License Termination Plan - summary of the values used to determine Decommissioning Standard Review Section 4.4.3.1, Appendix 4-2 the number of samples and a justification Plan, Rev 0, Section 14.5 for these values. The information should include: NUREG 1727 - NMSS Final Survey Report - Appendix B The survey results for each survey unit Decommissioning Standard Review including: The number of samples taken Plan, Rev 0, Section 14.5 for each survey unit. The information should include: NUREG 1727 - NMSS Final Survey Report - Appendix B The survey results for each survey unit Decommissioning Standard Review including: A map or drawing of the Plan, Rev 0, Section 14.5 survey unit showing the reference system and random start systematic sample. locations for Class 1 and Class 2 survey units, and random locations shown for Class 3 survey units and reference areas.

Attachment VPN-076-2004 December 16, 2004 Page 3 of 8 Guidance/Requirement Source Where Addressed The information should include: The NUREG 1727 - NMSS Final Survey Report - Appendix B survey results for each survey unit Decommissioning Standard Review including: The measured sample Plan, Rev 0, Section 14.5 concentrations. The information should include: NUREG 1727 - NMSS Final Survey Report - Appendix B The survey results for each survey unit Decommissioning Standard Review including: The statistical evaluation of the Plan, Rev 0, Section 14.5 measured concentrations. The information should include: NUREG 1727 - NMSS Final Survey Report - Appendix B, Supplement The survey results for each survey unit Decommissioning Standard Review including: Judgmental and miscellaneous Plan, Rev 0, Section 14.5 sample data sets reported separately from those samples collected for performing the statistical evaluation. The information should include: NUREG 1727- NMSS Final Survey Report - Sections 2.4.2 and 2.4.3, The survey results for each survey unit Decommissioning Standard Review Table 3-1, Table 3-2, Appendix B including: A discussion of anomalous Plan, Rev 0, Section 14.5 data including any areas of elevated direct radiation detected during scanning that exceeded the investigation level or measurement locations in excess of the DCGLW.

Attachment

                                                                                                                                 . 8 VPN-076-2004 December 16, 2004 Page 4 of 8 Guidance/Requirement                         Source                           Where Addressed The information should include:              NUREG 1727 - NMSS                Final Survey Report - Sections 4.2 and 5, Table 4-1 The survey results for each survey unit      Decommissioning Standard Review including: A statement that a given          Plan, Rev 0, Section 14.5 survey unit satisfied the DCGLW and the elevated measurement comparison if any sample points exceeded the DCGL,.

The information should include: A NUREG 1727 - NMSS Final Survey Report - N/A description of any changes in initial Decominissioning Standard Review survey unit assumptions relative to the Plan,- Rev 0, Section 14.5 extent of residual radioactivity. The information should include: NUREG 1727 -NMSS N/A If a survey unit fails, a description of the Decommissioning Standard Review investigation conducted to ascertain the Plan, Rev 0, Section 14.5 reason for the failure and a discussion of the impact that the failure has on the conclusion that the facility is ready for final radiological surveys. The information should include: NUREG 1727 - NMSS N/A If a survey unit fails, a discussion of the Decommissioning Standard Review impact that the reason for the failure has Plan, Rev 0, Section 14.5 on other survey unit information. Documentation of the final status survey NUREG 1575 MARSSIM - Section Final Survey Report - Section 4.2, Table 4-1 should provide a complete and 8.6 unambiguous record of the radiological status of the survey unit relative to the established DCGLs.

Attachment VPN-076-2004 December 16, 2004 Page 5 of 8 Guidance/Requirement Source Where Addressed Sufficient data and information should be NUREG 1575 MARSSIM - Section Final Survey Report - Appendix B, Supplement provided to enable an independent 8.6 evaluation of the results of the survey including repeating measurements at some future time. The document should describe the NUREG 1575 MARSSIM- Section Final Survey Report - Section 2.2 instrumentation or analytical methods 8.6 used. The document should describe how the NUREG 1575 MARSSIM - Section Final Survey Report - Section 2.4.4 data were converted into DCGL units. 8.6 The document should describe the process NUREG 1575 MARSSIM - Section Final Survey Report - Section 4.2 of comparing the results to the DCGLs. 8.6 The document should describe the process NUREG 1575 MARSSIM - Section Final Survey Report - Section 4.1 of determining that the data quality 8.6 objectives were met. The results of actions taken as a NUREG 1575 MARSSIM - Section Final Survey Report - Sections 2.4.2 and 2.4.3, consequence of individual measurements 8.6 Table 3-2, Appendix B or sample concentrations in excess of the investigation levels should be reported together with any additional data, remediation, or re-surveys performed to demonstrate that issues concerning potential areas of elevated activity were resolved.

Attachment .9 VPN-076-2004 December 16, 2004 Page 6 of 8 Guidance/Requirement Source Where Addressed The results of the data evaluation using NUREG 1575 MARSSIM - Section Final Survey Report - Section 4.1.3 statistical methods to determine if release 8.6 criteria were satisfied should be described. The information should include: An NUREG 1757 Volume 2 Consolidated Final Survey Report - Section 3, Table 3-1 overview of the results of the FSS. NMSS Decommissioning Guidance - Section 4.5 The information should include: A NUREG 1757 Volume 2 Consolidated Final Survey Report - Sections 1.3.2 and 4.2.2 summary of the DCGLs for the facility (if NMSS Decommissioning Guidance - (Appendix B also lists the DCGL for each survey DCGLs are used). Section 4.5 - unit.) The information should include: A NUREG 1757 Volume 2 Consolidated N/A. Survey performed in accordance with discussion of any changes that were made NMSS Decommissioning Guidance - PGE 1061 - Trojan License Termination Plan. in the FSS from what was proposed in the Section 4.5 DP or other prior submittals. The information should include: A NUREG 1757 Volume 2 Consolidated Final Survey Report - Section 2.3.2.2, Section description of the method by which the NMSS Decommissioning Guidance - 4.1.3.3 number of samples was determined for Section 4.5 each survey unit. The information should include: A NUREG 1757 Volume 2 Consolidated PGE 1061 - Trojan License Termination Plan - summary of the values used to determine 'NMSS Decommissioning Guidance - Section 4.4.3.1, Appendix 4-2 the number of samples and a justification Section 4.5 for these values. The information should include: The NUREG 1757 Volume 2 Consolidated Final Survey Report - Appendix B survey results for each survey unit NMSS Decommissioning Guidance - including the following: The number of Section 4.5 samples taken for each survey unit.

Attachment ,.. VPN-076-2004 December 16, 2004 Page 7 of 8 Guidance/Requirement Source Where Addressed The information should include: NUREG 1757 Volume 2 Consolidated Final Survey Report - Sections 3.1 and 3.2, The survey results for each survey unit NMSS Decommissioning Guidance - Appendix B, Supplement including the following: a description of Section 4.5 the survey unit, including (a) a map or drawing of the survey unit showing the reference system and random start systematic sample locations for Class I and Class 2 survey units, and random locations shown for Class 3 survey units and reference areas, (b) discussion of remedial actions and unique features, and (c) areas scanned for Class 2 and 3 survey units. The information should include: The NUREG 1757 Volume 2 Consolidated Final Survey Report - Appendix B survey results for each survey unit NMSS Decommissioning Guidance - including the following: the measured Section 4.5 sample concentrations, in units that are comparable to the DCGLs. _ The information should include: The NUREG 1757 Volume 2 Consolidated Final Survey Report - Appendix B survey results for each survey unit NMSS Decommissioning Guidance - including the following: the statistical Section 4.5 evaluation of the measured concentrations. The information should include: The NUREG 1757 Volume 2 Consolidated Final Survey Report - Appendix B, Supplement survey results for each survey unit NMSS Decommissioning Guidance - including the following: judgmental and Section 4.5 miscellaneous sample data sets reported separately from those samples collected for performing the statistical evaluation.

Attachment U.,- VPN-076-2004 December 16, 2004 Page 8 of 8 Guidance/Requirement Source Where Addressed The information should include: The NUREG 1757 Volume 2 Consolidated Final Survey Report - Section 2.4.2, Table 3-2, survey results for each survey unit NMSS Decommissioning Guidance - Appendix B, Supplement including the following: a discussion of Section 4.5 anomalous data including any areas of elevated direct radiation detected during scanning that exceeded the investigation level or any measurement locations in excess of DCGLw. The information should include: The NUREG 1757 Volume 2 Consolidated Final Survey Report - Section 4.2.2, Table 4-1 survey results for each survey unit NMSS Decommissioning Guidance - including the following: a statement that a Section 4.5 given survey unit satisfied the DCGLW and the elevated measurement comparison if any sample points exceeded the DCGLw. The information should include: A NUREG 1757 Volume 2 Consolidated Final Survey Report-N/A description of any changes in initial NMSS Decommissioning Guidance - survey unit assumptions relative to the Section 4.5 extent of residual radioactivity (e.g., material not accounted for during site characterization). The information should include: A NUREG 1757 Volume 2 Consolidated Final Survey Report - Section 4.2.4, Table 4-1 description of how ALARA practices NMSS Decommissioning Guidance - were employed to achieve final activity Section 4.5 levels.

Trojan Nuclear Plant Final Survey Report Spent Fuel Pool Impacted Areas Volume 1 of 2

Enclosure to VPN-076-2004 December 16, 2004

Final Survey Report Spent Fuel Pool Impacted Areas Portland General Electric

TROJAN FINA.r SURVEY REPORT- SPFNT FUEL, POOT-IMPACTEDAREPAS TABLE OF CONTENTS EXECUTIVE SUMMIARY ...................... iv

1. INTRODUCTION ...................... 1-1 1.1 PURPOSEANDSCOPE .1-1

1.2 DESCRIPTION

.1-1 1.3    SITE RELEASE CRITERIA                             ..                                                           1-1 1.3.1 APPLICATION OF THE SITE RELEASE CRITERIA .1-2 1.3.2 DERIVED CONCENTRATION GUIDELINE LEVELS .1-2

2. FINAL SURVEY DESIGN ..................... 2-1 2.1 SURVEY UNITS .. 2-1 2.1.1 CATEGORY .2-1 2.1.2 CLASSIFICATION .2-1 2.1.3 SURVEY UNIT SIZE .2-2 2.1.4 IDENTIFICATION NOMENCLATURE .2-2 2.

1.5 BACKGROUND

REFERENCE AREAS .2-3 2.2 INSTRUMENTATION .. 2-3 2.2.1 PORTABLE INSTRUMENTATION .2-4 2.2.2 LABORATORY INSTRUMENTATION .2-6 2.3 SURVEY METHODS .. 2-7 2.3.1 SCAN MEASUREMENTS .2-7 2.3.2 STATIC MEASUREMENTS .2-8 2.3.3 SUPPLEMENTAL MEASUREMENTS .2-8 2.3.4 MEASUREMENT LOCATION IDENTIFICATION .......................................... 2-9 2.4 SURVEY PERFORMANCE .. 2-9 2.4.1 SAMPLE HANDLING........................................................................................ 2-9 2.4.2 IN-PROCESS REMEDIATION.2-9 2.4.3 DATA INVESTIGATION .2-9 2.4.4 DATA RECORDING .2-10 2.4.5 DATA MNAGEMENT .2-10 2.4.6 QUALITY CONTROL MEASUREMENTS .2-11 2.4.7 PROCEDURES ............... 2-11 2.4.8 TECHNICAL BASIS DOCUMENTS ............................................... 2-11 2.4.9 CONTROL OF VENDOR SUPPLIED SERVICES ......................................... 2-12 2.4.10 TRAINING ............................................... 2-13

3. FINAL SURVEY RESULTS ............................................... 3-1 i

TROA1N FINAL SURVEY REPORT-SPENT F1EL POOl-IMPACTEDAREA.d 3.1 SFP AND ADJACENT AREAS ........................................................ 3-1 3.2 AREAS HOUSING SFP-IMPACTED COMPONENTS ................................................ 3-1

3.3 BACKGROUND

REFERENCE AREAS ........................ ............................... 3-2 3.3.1 ORIGINAL BACKGROUND REFERENCE AREAS ....................................... 3-2 3.

3.2 BACKGROUND

REFERENCE AREAS CREATED USING DATA SUBSETS ....................................................... 3-3

4. DATA ASSESSMENT .4-1.

4.1 DATA VERIFICATION AND VALIDATION ....................................... 4-1 4.1.1 DATA QUALITY ....................................................... 4-1 4.1.2 GRAPHICAL DATA REVIEW ....................................................... 4-2 4.1.3 BASIC STATISTICAL COMPARISONS ........................................................ 4-2 4.2 SATISFACTION OF THE SITE RELEASE CRITERIA . .............................................. 4-3 4.2.1 CONDITION #1- MEAN TEST .......................... .............................. 4-4 4.2.2 CONDITION #2 - ELEVATED MEASUREMENT COMPARISON ............... 4-4 4.2.3 CONDITION #3 - SIGN TEST ...................... ................................. 4-4 4.2.4 CONDITION #4 - ALARA EVALUATION ...................................................... 4-5

5. FINAL SURVEY CONCLUSION .5-1

6. REFERENCES....................................................................................................................... 6-1 APPENDIX A - SURVEY PREPARATION ACTIVITES...................................................... A-1 APPENDIX B - SURVEY UNIT

SUMMARY

REPORTS . B-1 ii

TROJ(4M FIMA, SURVEY REPORT- SPENT 'FUEl, POO-IMPACTE' AREEAS. TABLES Table Title Table 2-1 Portable Instrumentation Radiation Detectors Table 2-2 Final Survey Procedures Table 3-1 Summary of Final Survey Results Table 3-2 Summary of Data Investigation Results and Actions Taken Table 4-1 Satisfaction of Conditions for Site Release iii

WAT.RVEY REPORT-SPFNT FllFf.POOL-IMPACTEDAREAS TROJAW FINAL. EXECUTIVE

SUMMARY

This report presents the results and conclusions of the final survey conducted by Portland General Electric Company of the areas impacted by contaminated water from the spent fuel pool (SFP). These areas are primarily located in the Auxiliary and Fuel Buildings. They include the SFP, fuel transfer canal, cask load pit, and immediately adjacent floor and laydown areas around the SFP. Also included are areas that housed the SFP heat exchangers, cooling and purification pumps, and filter pits; and remaining components of the Discharge & Dilution Structure (D&DS) outfall chamber & pipe and the embedded SFP ventilation ducting 18" in diameter & larger. Contaminated equipment, components, and structural surfaces were removed or otherwise remediated as part of the decommissioning process. A final survey of the remaining structural and component surfaces was performed. Final survey data collection began in August 2004 and was completed in November 2004. The final survey was performed in accordance with the final survey process described in PGE-1061, "Trojan Nuclear Plant Defueled Safety Analysis Report and License Termination Plan (PGE-1078)," referred to as the LTP. The SFP-impacted areas were divided into 15 survey units, encompassing approximately 2,800 square meters of surface area. All of the survey units were classified as Class I according to their potential for containing residual radioactivity above the derived concentration guideline level (DCGL). Survey data were collected from each survey unit according to data collection patterns and frequencies established for Class 1 survey units. Scan measurements were performed over 100 percent of the accessible surface area and a total of 1,194 static measurements were collected as final survey data. In addition, 597 supplemental removable surface radioactivity measurements were collected. The final survey data demonstrate that each survey unit meets the radiological criteria for unrestricted use specified in 10 CFR 20.1402. Based on the results of the final survey, Portland General Electric Company concludes the SFP-impacted areas meet the regulatory requirements for release to unrestricted use. iv

TRO tM FPINAL SURVEY REPORT-SPENT FULI. POO1-IMPACTFD ARFA.S

1. INTRODUCTION 1.1 PURPOSE AND SCOPE This report presents the results and conclusions of the final survey of the areas impacted by contaminated water from the spent fuel pool (SFP). It provides the information required by 10 CFR 50.82(a)(I 1), which demonstrates that the SFP-impacted areas meet the radiological criteria for unrestricted use specified in 10 CFR 20.1402. This report also documents the final survey was performed in accordance with the final survey process described in PGE-I 061, "Trojan Nuclear Plant Defueled Safety Analysis Report and License Termination Plan (PGE-1078)," hereinafter referred to as the LTP.

1.2 DESCRIPTION

The SFP-impacted areas are primarily located in the Auxiliary and Fuel Buildings. They include the SFP, fuel transfer canal, cask load pit, and immediately adjacent floor and laydown areas around the SFP. Also included are areas that housed the SFP heat exchangers, cooling and purification pumps, and filter pits; and remaining components of the Discharge & Dilution Structure (D&DS) outfall chamber & pipe and the embedded SFP ventilation ducting 18" in diameter & larger. In their post-final survey configuration, the SFP-impacted areas exist as bare structure and pipe surfaces. Equipment and components, as well as heavily contaminated metal, concrete, and masonry surfaces were removed during decommissioning. The SFP-impacted areas were prepared for final survey by a series of decommissioning activities, including radiological characterization, dismantlement and demolition, remediation, and turnover to final survey. A general description of these activities is given in Appendix A. Detailed decommissioning information as well as a brief radiological history is contained in the LTP, Section 3. Radiological characterization data were gathered and analyzed. The results guided decisions regarding the need for, extent of, and most effective means of remediation. Contaminated structures, equipment, and components were dismantled or demolished and removed for disposal. Remaining structure and pipe surfaces were remediated, as needed, and then systematically turned over for final survey. An assessment of the operation and radiological history established the initial classification of SFP-impacted areas. 1.3 SITE RELEASE CRITERIA The site release criteria applied to the final survey correspond to the radiological criteria for unrestricted use given in 10 CFR 20.1402, which are:

1. Dose Criterion: The residual radioactivity that is distinguishable from background radiation results in a Total Effective Dose Equivalent (TEDE) to an average member of the critical group that does not exceed 25 mrem/yr, including that from groundwater sources of drinking water; and 1-1

TROJAN FINAL. SUR VEY REPORT-SPENT FUEL, POOL.-IMPACTED AREAS

2. ALARA Criterion: The residual radioactivity has been reduced to levels that are as low as reasonably achievable (ALARA).

1.3.1 APPLICATION OF THE SITE RELEASE CRITERIA Levels of residual radioactivity that correspond to the allowable radiation dose and ALARA levels of the site release criteria were derived by analysis of various scenarios and pathways (e.g., direct radiation, inhalation, ingestion) through which exposures could occur. These derived levels, referred to as Derived Concentration Guideline Levels (DCGLs), form the basis for the following four conditions which, when met, satisfy the site release criteria:

1. The average residual radioactivity above background is equal to or below the DCGL (where penetrating radiation from embedded piping is present, the average is compared to 0.8 x DCGL);

2. Individual measurements, representing small areas of residual radioactivity which exceed the DCGL, do not exceed the elevated measurement comparison DCGL;

3. Where one or more individual static measurements exceed the DCGL, the average residual radioactivity passes the Sign or Wilcoxon Rank Sum (WRS) statistical test; and

4. Remediation is performed where it is ALARA to reduce the levels of residual radioactivity to below the concentrations necessary to meet the DCGLs.

The manner in which these conditions were met is described in Section 4.2. 1.3.2 DERIVED CONCENTRATION GUIDELINE LEVELS The residual radioactivity concentration levels on structure and pipe surfaces impacted by contaminated water from the SFP were compared to gross activity DCGLs of 7,500 dpm/l 00 cm2 beta and 28 dpm/l 00 cm2 alpha. The gross activity DCGLs were derived for surface residual radioactivity and developed using the methodology described in the LTP, Section 4.2.3, based on the radionuclide-specific screening DCGLs given in the LTP, Table 4-1. 1.3.2.1 SFP-Impacted Gross Activity DCGLs The gross activity DCGLs of 7,500 dpm/100 cm2 for beta and 28 dpm/1O00 cm 2 for alpha were developed primarily for application to remaining surfaces of the SFP and surfaces that were potentially contaminated with water from the SFP. Samples from five surfaces in or immediately adjacent to the SFP were collected prior to remediation. The samples conservatively represent the radionuclide distribution found on surfaces associated with the SFP. The sample locations were not biased towards any particular group of SFP systems, rooms, or elevations. Sample locations were randomly selected from a population of surfaces where fixed surface contamination was detected in or immediately adjacent to the SFP prior to remediation. The samples were sent to an offsite laboratory for analysis. 1-2

TROJAN FWNAT, .S(R VEY REPORT-.SPEPTFUET, POOLT-IMPACTED) RFEAS The laboratory results were used to calculate a gross activity DCGL value for each sample. The activity of transuranics detected in the samples collected from surfaces associated with the SFP represented a higher percentage of the total sample activity when compared to samples collected from any other area of the site. Using these samples to calculate total gross activity DCGLs resulted in DCGLs that were extremely small. These DCGLs were not useful because they were close to or less than the MDC of the final survey instrumentation. For this reason, alpha-emitting radionuclides were separated from the beta-emitting radionuclides detected in the samples and gross activity DCGLs were developed for both types of radiation. Several radionuclides of interest were detected in each of the samples. The predominant beta-emitting radionuclides were 6 0Co, 90Sr, 137Cs, and 241Pu. The predominant alpha emitters were 239/24 0Pu and 241Am. There was some variability in relative radionuclide fractions and the resulting dose contributions when one sample was compared to another. Therefore, in order to be conservative, the gross activity DCGLs for surfaces associated with the SFP were established by averaging the gross activity DCGLs of the two samples with the most restrictive values. The radionuclides, their relative distributions and dose contributions for the beta-emitting gross activity DCGL of 7,500 dpm1O00 cm 2 and the alpha-emitting gross activity DCGL of 28 dpm/100 cm2 are illustrated in the following tables. SFP-Impacted Gross Activity DCGL Beta-Emitting Radionuclide Distribution Radio- Surface Activity Fraction Activity Total DCGL Dose Screening DCGL mple Sample Fraction/ DCGL Contribution (dpm/100 cm2) #1 #2 DCGLa Fractionb (mrem/yr) 3H 1.2E+08 1.66E-02 2.78E-04 1.41E-10 <0.001 <0.1 4.5E+06 --- 4.09E-01 9.09E-08 <0.001 <0.1 7.1E+03 8.31 E-03 3.16E-01 4.57E-05 0.173 4.3 1.8E+06 1.14E-02 1.03E-02 1.21E-08 <0.001 <0.1 9`Sr 8.7E+03 2.33E-01 9.15E-04 2.69E-05 0.102 2.6 37Cs 2.8E+04 6.71iE-01 1.81E-01 3.04E-05 0.115 2.9 1TP-U 8.8E+02 5.98E-02 8.22E-02 1.61E-04 0.610 15.3 Totals: 1.OOE-00 L.OOE-00 2.64E-04 1.000 25.0 Notes

 ' This value is calculated by dividing the summed activity fraction of samples #I and #2 for the radionuclide by the screening DCGL value.
 ' This value is calculated by dividing the Activity Fraction/DCGL value for the radionuclide by the sum of the Activity FractionlDCGL values for all the radionuclides.

1-3

TROJAN FINAL. SURVEY REPORT- SPENT FU1P. POO.-IMPACTFD ARF4, SFP-Impacted Gross Activity DCGL Alpha-Emitting Radionuclide Distribution Surface Activity Fraction Activity Total DCGL Dose nuclide Screening DCGL Radio-00DCM) Sample Sample Fraction/ DCGL b DCGLa Fraction" Contribution (mremlyr) 3.OE+01 6.79E-02 2.03E-02 2.94E-03 0.040 1.0 z3sn4u 2.8E+01 4.74E-01 3.75E-02 1.83E-02 0.252 6.3 241,AM 2.7E+01 4.55E-01 9.07E-01 5.04E-02 0.694 17.4 _______ 3.9E+01 3.49E-03 3.53E-02 9.95E-04 0.013 0.3 Totals: --- .OOE-00 I 1.OE-00 7.26E-02 1.000 25.0 Notes

  ' This value is calculated by dividing the summed activity fraction of samples #1 and #2 for the radionuclide by the screening DCGL value.
  'This value is calculated by dividing the Activity Fraction/DCGL value for the radionuclide by the sum of the Activity Fraction/DCGL values for all the radionuclides.

1.3.2.2 Unity Rule Application The SFP-impacted gross activity DCGLs for alpha- and beta-emitting radionuclides were simultaneously applied using the unity rule. The two types of measurements collected at each location were divided by their respective gross activity DCGL and summed to obtain the unity rule value. 1-4

TRO AN FINAL. SUR VEY RFPORT- SPENT FU~L, POO1-IMPACTED AREAR.

2. FINAL SURVEY DESIGN The final survey was designed and performed as described in the LTP, Section 4. The Data Quality Objectives (DQO) process was used to ensure that the final survey results were of sufficient quality to support the final decision. The SFP-impacted areas were divided into survey units of proper size, which were categorized and classified according to the type and potential of residual radioactivity. Instrumentation and survey methods, appropriate to the type of radiation being measured, were used to collect scan, static, and supplemental measurements. The measurements were collected in accordance with administrative and quality controls instituted to provide assurance of accurate results.

2.1 SURVEY UNITS The SFP-impacted areas were divided into survey units based on the physical characteristics, the potential for elevated residual radioactivity, and the size of the area with similar potential for residual radioactivity.

2. 1.1 CATEGORY Survey units were assigned to one of the following two categories based on the physical characteristics and the type of residual radioactivity present:

• Structures with surface residual radioactivity where the SFP-impacted area gross activity DCGL was applied. This type included structural floor, wall, and ceiling surfaces. There were 13 survey units in this category
• Plant systems and other components with accessibility, dimensional, or operational survey design constraints that precluded their being categorized as a structure. This type included the embedded SFP ventilation ducting 18" in diameter and larger and the D&DS outfall chamber & pipe, which constituted the two survey units in this category.

2.1.2 CLASSIFICATION Survey units were classified based on the potential for residual radioactivity. Areas with residual radioactivity that exceeded the DCGL prior to remediation were divided into 15 Class 1 survey units. There were no Class 2 or Class 3 survey units. The classification process incorporated the working hypothesis that all areas had a potential for residual radioactivity above the DCGL. This initial assumption meant that a survey unit was initially considered Class 1 unless a basis for classification as Class 2 or Class 3 was identified. Characterization data, collected during the course of decommissioning and summarized in the following table, showed that the survey units were properly classified as Class 1. 2-1

TRO.JANT FINALT SURVREYRPORT- SPENT PUP!, POOL4IMPACTED AREA~S Summary of Operational Survey Data Survey .Operational Survey Resultsb ID Code' Description (dpm1100 cm2) Class Covera e Total Removable 1 2 3 SFP and Adjacent Areas S04093F FB Elev 93' Spent Fuel Pool - West Half 100% < lMr <2,000 x _ _ S04093G FR EIev 93'Fuel Transfer Canal 100% < 65,000 <2,000 x _ _ S04093H FB Elev 93' Cask Load Pit 100% 5346,000 N/Ad x _ _ S04093J FB Elev 93' Spent Fuel Pool - East Half 100% <110,000 <2,000 x _ _ S04093Q FB Elev 93' Laydown Area - West Half 80% < 16,000 <1,000 x _ _ S04093R FB Elev 93' Laydown Area - East Half 80% < 10000 <1,000 x _ _ S04093T FB Elev 93' Spent Fuel Pool SW Flr/Lwr Walls 30% D 60,000

                                                                                  <            <1,000    x  _

S04093V FR Elev 93' Spent Fuel Pool S Center Flr Area 0%e N/A N/A x S04093X FB Elev 93' Spent Fuel Pool SE Floor Area 0%' N/A N/A x Areas Housing SFP-Impacted Components S04061G FR Elev 61' SFP Heat Exchanger Room 100% <300,000 <1,000 x S05045M AB Elev 45' SFP Cooling/Purification Prnp Rms 100% < 20,000 <16,000 x S05077N AR Elev 77' Filter Pit "D" 100% <S110,000 <1,000 x S05077P AB Elev 77' Filter Pit "E" 100% <400,000 <1,000 x P62042A D&DS Outfall Chamber & Pipe 100% 5360,000 <8,000 x P62208A Embedded SFP Ducting 18" Diameter & Larger 0%' N/A N/A x Notes:

' See Section 2.1.4 for description of survey ID code nomenclature.

b Survey results reported to nearest 1,000 dpm/I 00 cm2 and represent pre-remediation beta measurement values.

' Value is 1,000,000 dpmll00 cm2 .

d Survey data not available as part of survey unit release record.

' No surveys performed prior to remediation.

2.1.3 SURVEY UNIT SIZE The SFP-impacted areas were divided into survey units ranging in size from 36 to 437 in2 , each with floor areas of 99 m2 or less. The survey units -were sized to ensure that survey data points were relatively uniformly distributed among areas of similar potential for residual radioactivity. Survey units were designed to have relatively simple shapes unless an unusual shape was appropriate for the operational history of the area. Where possible, existing building characteristics such as horizontal and vertical structural supports, walls, and rooms were used to define the boundaries of the survey units. 2.1.4 IDENTIFICATION NOMENCLATURE Each survey unit was identified by a seven-digit identification code. The first digit represents the survey unit category. One of two category codes was used: S - structure with surface residual radioactivity' P - plant system or component with surface residual radioactivity The next two digits represent the reference map identification code. Three codes were used, as shown below. 2-2

TRO.flAAFThIAXIRVFY RPPORT- SPFWT FuI. P0(Th-lP(PACTE) A REAS Reference Map Identification Codes Number Description 04 Fuel Building 05 Auxiliary Building 62 Plant System The next three digits represent the plant elevation or plant system number. The last digit is an alpha sequential survey unit designator that was assigned in sequential order of the survey unit being created. The following figure illustrates the survey unit identification code for the 7h survey unit beginning at Elevation 61' of the Fuel Building. Survey Unit Identification Nomenclature Category Code Plant Elevation/System (alpha) Number (numeric) S 0 4 0 6 1 G Reference Map ID Survey Unit Code (numeric) Designator (alpha) 2.

1.5 BACKGROUND

REFERENCE AREAS The general practice for final survey was to compare the total concentration of radionuclides (residual radioactivity plus background) to the site release dose criterion. The advantage of ignoring a small background concentration is that a background reference area is not needed. However, since the alpha background concentration was known to exceed the alpha gross activity DCGL, the data sets for the SFP-impacted areas required a background reference area for applying the statistical test. Surveys were conducted of three background reference areas to determine background levels for comparison with the conditions determined in SFP-impacted area survey units. The selected background reference areas have similar physical, material, and radiological characteristics as the survey units that were evaluated. In one case, the survey unit itself served as the background reference area (survey unit P62208A - see Section 3.3.1). The background reference areas are identified using the same seven-digit identification code as survey units, with the exception that the first digit is a "B" instead of an "S" or "P". 2.2 INSTRUMENTATION Portable and laboratory instrumentation capable of detecting the radiation types and energies of interest were selected, calibrated, and maintained for final survey data collection. Commercially available radiation detection and measurement instrumentation was selected based on reliable operation, detection sensitivity, operating characteristics, and expected performance in the field. 2-3

TROAL4W MUWAT.RT~IR VFY RFPP0RT-R.PFVT FrIP!. Pnn-!ArmPA4rT~1) ARFA4S Radioactive sources used for calibration purposes are traceable to the National Institute of Standards and Technology (NIST). 2.2.1 PORTABLE INSTRUMENTATION Scan and static surface radioactivity measurements were performed using the Ludlum Model 2350-1 data logging survey meter with one of two types of Ludlum detectors: gas-flow proportional (GFP) or Geiger-Mueller (G-M). Table 2-1 gives the model number and a description of the detectors used. 2.2.1.1 Calibration and Maintenance Survey instruments were calibrated for the radiation types and energies of interest. Radionuclide mixture ratios and varying energies were accounted for during calibration by using a calibration source with a conservative average energy as compared to the weighted average energy of the radionuclide mixture. The following table provides typical information on calibration sources used. Typical Portable Instrumentation Calibration Sources Source Radiation Source Radio- Source 27r Surface Description of Interest Geometry nuclide Activity Emission Rate Acrylic-backed, w/0.9 lox 15 cm 99 6,800 mg/cm2 mylar cover beta plate Tc 23,000 dpm P/min/100 cm 2 Stainless steel-backed beta 4.1 cm dia. 99Tc 20,000 dpm 12,000 P/min electroplated Tc, metal beadisk __ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Stainless steel-backed 10 x 15 cm 239 10,000 electrodeposited oxide alpha plate Pu 28,000 dpm c/min/100 cm 2 Stainless steel-backed 4.1 cm dia'. 9Pu "30,000 20,000 dpm a/mm electrodeposited oxide alpha disk 20 _ , _ 0 00 _______________ A total efficiency was established for each detector. The total efficiency is the product of the instrument efficiency and the source (or surface) efficiency for a specified survey geometry or measurement technique. The instrument efficiency, i.e., the ratio between the net count rate of the instrument and the 27t surface emission rate of a radiation source, was determined by counting the source with the detector in a fixed position from the source (reproducible geometry). Ajig was used to create the reproducible geometry and a source to detector distance of 1 cm was normally used. A value of 0.5 was used for the beta source efficiency for smooth surfaces; a value of 0.3 for concrete scabbled surfaces. For alpha detection, a value of 0.25 was used for the source efficiency. These values were established based on energies of the expected radionuclide distribution and on surface geometry considerations. The source efficiency for particle emission is the ratio between the number of radiation particles emerging from the measurement surface of the area being surveyed (the source) and the total number of radiation particles being released within that source per unit time. 2-4

TRO.!4N FINAL. SURVEY RFPORT- SPENT FUFL. POOT,-IMVPACTFI) ARFA. 2.2.1.2 Instrument Response Instrument response was checked before and after instrument use each day. A check source was used that emitted the same type of radiation (i.e., beta or alpha) as the radiation being measured and that gave a similar instrument response (see the preceding table). The response check was performed using a specified source-detector alignment that could easily be repeated. If the instrument failed its response check, it was not used until the problem was resolved. Measurements made between the last acceptable response check and the failed check were evaluated and, if appropriate, discarded. 2.2.1.3 Minimum Detectable Concentration A minimum detectable concentration (MDC) was determined for each instrument and scan and static measurement method that were used for survey data collection. Instruments used for beta scan measurements were capable of detecting radiation to an MDC of less than 50% of the DCGL at a scan rate of 5 cm/sec. The exception to this was the Model 44-9 pancake G-M detector, which typically could not achieve a scan MDC of less than the DCGL. Where this detector was used, the survey design prescribed compensatory measures that included using a lower scan rate (i.e., 3 cm/sec), limiting the size of the survey unit area, and/or increasing the number of static measurements. Instruments used for beta static measurements were capable of detecting radiation to an MDC of less than 50% of the DCGL with a count time of one minute. An MDC was determined but not applied for alpha static measurements due to the low background response of alpha emitters. A study was performed to determine the impact of count time on the static MDC. Count times of 1, 2, 5, 10, 15, and 30 minutes were selected. The results, given in the table below, show that a count time of 30 minutes or more is required to detect alpha radiation to an MDC of less than 50% of the DCGL, which is not practical for final survey data collection. Count Time vs. MDC Time for Alpha Static Measurements Count Backgrou d = 1 cpm Backgrou d = 2 cpm Time (min) Counts MDC Counts MDC 1 1 101 2 127 2 2 63 4 81 5 5 35 10 47 10 10 23 20 31 15 15 19 30 25 30 30 13 60 17 Operational experience with the Ludlum Model 43-68 detector shows it experiences an instrument background count rate of 0-2 cpm. Since instrument and material background counts are not subtracted, any acquired counts are considered alpha counts and a two-minute count time is sufficient to detect alpha-emitting residual radioactivity, regardless of the above MDC calculations. Therefore, a count time of two minutes was selected. 2-5

TROJAN F!NALT SURVEY REPORT- RPPNT FUFL.POO-IMPACTMD ARFA.S 2.2.2 LABORATORY INSTRUMENTATION On-site laboratory instruments were used to perform gas proportional counting of removable surface radioactivity samples (smears). Removable surface radioactivity measurements were performed using the Tennelec Model LB5 100 GFP alpha/beta counting system described in the table below. Tennelec Model LB5100 Parameter Specification Detector Type GFP Measurement Type Removable surface radioactivity Detector Description 57 mm dia. detector aith 80 [ig/cm 2 mylar window Radiation Detected alpha beta beta Count Time (min) 5 5 2 Background (counts) I to 7 - 29 to 128 46 Efficiency (cnts/dis 0.222 0.336 0.337 MDC (dpm/100 cm') 7 to 14 29 to 33 51 2.2.2.1 Calibration and Maintenance The Tennelec Model LB5 100 was calibrated for the radiation types and energies of interest by counting a radionuclide standard and comparing the results with the actual concentration on the certificate of calibration provided by the manufacturer of the radionuclide standard. The following table provides typical information on the radionuclide standards used. Typical Laboratory Instrumentation Calibration Sources Source Radiation Source Source Radionuclides Source Material of Interest Geometry Density of Interest Activity Stainless steel- Beta 5.1 cm dia. N/A 137cs 130,000 dpm backed metal disk Stainless steel- Beta 5.1 cm dia. N/A 13 7 cS 30,000 dpm backed metal disk Stainless steel- 5.1 cm dia. N/A 241 m 190,000 dpm backed metal Alpha____ disk ______ 190_____000 Stainless steel- Apa 5.1 cm dia. NA24Ip 4,00 p backed metal disk I____ 2.2.2.2 Daily Ouality Control Standardization Quality Control (QC) standardization was performed on the Tennelec Model 5100 prior to use each day. A QC standard was used that emitted the same type of radiation in the same type of counting geometry as the radiation being measured. Count results were graphed and reviewed for trends in detector performance. No count results fell outside the acceptable QC band and no negative trends were identified in instrument performance. 2-6

TROJYAN FINAL. SURVEY REPORT-.SPFRT FUIT. POOL-IMA'PACTFD ARFAS 2.2.2.3 Minimum Detectable Concentration The Tennelec Model 5100 was capable of detecting radiations of interest to less than 1% of the beta-emitting DCGLs with a two-minute count time, and less than 50% of the alpha-emitting DCGL with a five-minute count time. 2.3 SURVEY METHODS Survey methods, as described in the following sections, were applied to collect scan and static measurements of surface residual radioactivity, and removable surface radioactivity measurements. 2.3.1 SCAN MEASUREMENTS Scan measurements were performed to locate radiation anomalies that might indicate elevated areas of residual radioactivity that require further investigation. The level of scan coverage was proportional to the potential for finding elevated areas of residual radioactivity based on the history of the survey unit. 2.3.1.1 Scan Coverage Beta scan measurements were performed over 100% of the accessible surface area. Alpha scan measurements were not performed. 2.3.1.2 Surface Residual Radioactivity Structure and component surfaces were scanned for beta-emitting radionuclides. Typically, the detector was held less than 2 cm from the surface and moved at 5 cm/sec over a selected area at the survey location. Once the selected area was scanned, the latched value was electronically entered into the data logger memory. As a matter of practice, the instrument ratemeter alarm was usually set at approximately 0.8 times DCGL. The audible alarm would alert the surveyor that radiation levels are approaching the DCGL. The surveyor would respond by identifying the size of the area exceeding the alarm setpoint, mark the location in the field, and then attempt to capture the maximum radiation level within the elevated area. An investigation and/or remediation was performed where the maximum radiation level exceeded the investigation level. Normally, the Ludlum Model 43-68 GFP detector with the data logger in ratemeter latching mode was used. For areas with size or geometry constraints, the Ludlum Model 43-116-1 GFP detector or the Ludlum Model 44-9 pancake G-M detector was used. Surfaces were not scanned for alpha-emitting radionuclides since characterization data have consistently shown that alpha-emitting radionuclides are found in the presence of beta-emitting radionuclides. As a practical matter, alpha scan measurements must be collected as a series of short-duration alpha static measurements since the background response is near zero. This was not practical for final survey data collection. 2-7

TROJAY FINAT. SUIR VEYRFPORT- SPFWR'FUEL POO-LAMPACTTFj AgREAS 2.3.2 STATIC MEASUREMENTS Static measurements were collected at a frequency and at representative locations throughout the survey unit such that a statistically sound conclusion regarding the radiological condition of the survey unit could be developed. 2.3.2.1 Surface Residual Radioactivity Static measurements to detect beta- or alpha-emitting surface residual radioactivity were collected using the Ludlum Model 43-68 GFP detector with the data logger in scaler mode. For each discrete measurement, the detector was placed on or near the surface to be measured, a one-minute (beta) or two-minute (alpha) count was taken, and the value was electronically entered into the data logger memory. 2.3.2.2 Number of Measurements To simplify the final survey process and to ensure conservatism without an associated unreasonable expenditure of resources, a minimum number of 30 static measurements per survey unit were collected. This number of measurements provided a sample population of sufficient size to assure statistical confidence in the conclusions drawn from the survey data (see Section 4.1.3.3). 2.3.2.3 Measurement Locations Measurement locations were selected using a random-start systematic spacing method based on a reference coordinate system appropriate for the survey unit. Scale drawings, maps, or photographs of the survey unit were prepared, along with an overlay of the reference coordinate system. A random number generator provided the coordinates of the starting point. Subsequent measurement locations were distributed around the starting point in a systematic pattern across the survey unit area. In most cases, this led to more than the minimum number of 30 static measurements being collected. Measurement locations that did not fall within the survey unit area or that could not be surveyed due to health and safety considerations were replaced with other measurement locations determined using the random selection process. 2.3.3 SUPPLEMENTAL MEASUREMENTS Supplemental measurements to detect removable beta- or alpha-emitting surface residual radioactivity were collected at static measurement locations. These measurements (i.e., smears) were collected to verify removable surface radioactivity was no more than 10% of the gross activity DCGL (beta) or the MDC (alpha). Smears were counted onsite using the Tennelec Model LB5100. 2-8

TROJAN4 FEINAL SURVEY REPORT-SPEATRFLF P001-IMPACTED ARPA.S 2.3.4 MEASUREMENT LOCATION IDENTIFICATION Measurement locations were clearly identified and documented to ensure they could be relocated if necessary. Actual measurement locations were permanently marked on survey maps and, where feasible, in the field. A unique number identifies each measurement location. The number convention, described in Section 2.4.4, allows survey data to be referenced to specific measurement locations identified on the photographs, drawings, or maps of the survey unit. Physical gridding was used where practical and useful. It provided a mechanism for referencing scan measurements to a specific location. Permanent marker was used to mark the physical grid layout. The basic grid pattern used was a one-meter square grid. 2.4 SURVEY PERFORMANCE 2.4.1 SAMPLE HANDLING Smear samples collected for laboratory analysis were tracked. When sample custody was transferred (e.g., when samples were sent to the lab for analysis), a sample tracking record accompanied the sample for tracking purposes. The sample tracking (or chain of custody) record documented the custody of samples from the point of collection until final results were obtained. 2.4.2 IN-PROCESS REMEDIATION Scan measurements in the SFP, fuel transfer canal, and cask load pit located numerous radiation anomalies that indicated potential areas of elevated beta residual radioactivity. Hundreds of small areas ranging from 15 cm2 to 0.23 m2 in size were found with elevated residual radioactivity levels up to 760,000 dpmi/100 cm2 beta. These areas were marked, remediated, and rescanned. The original scan measurement data for the remediated areas were replaced by scan measurements collected post-remediation. Approximately 380 m2 (30% of total surface area) was remediated and re-scanned. Normally, the evaluation of areas of elevated residual radioactivity is documented in a data investigation. However, the large number of areas and the inability to effectively determine, in a timely manner, if elevated alpha radioactivity would also be present in areas of elevated beta radioactivity, prompted the management decision to immediately remediate all areas identified as potentially elevated by initial beta scan measurements. This negated the need for performing an alpha investigation survey and for completing a data investigation for the large number of areas. 2.4.3 DATA INVESTIGATION Locations, identified by scan or static measurements, with residual radioactivity that exceeded the DCGL were marked and investigated. Beta scan measurements were performed over 100 percent of the area being investigated. Beta and/or alpha static measurements in the form of scalar or integrated counts were performed at locations with the highest concentration of residual radioactivity. 2-9

TRO 1,4NVF1h.AT.4r.4ZrRVFY RFPORT-IPFWTT FFlJf PooY,-m~PArT~fl ARFAR Two standard operating practices were found to cause significant overestimates in the level of beta residual radioactivity at locations identified for investigation. These practices are: (1) using gross cpm instead of net cpm to convert to dpm, and (2) converting the area of elevated residual radioactivity to 100 cm2 when the measured area is much smaller than that. For example, assuming an instrument background of 35 cpm and a total efficiency of 0.1, area with a "true" level of residual radioactivity of 5,000 dpm distributed over 15 cm2 (the active area of a pancake G-M detector) yields a converted value of over 35,000 dpm/100 cm2 . The investigation level is 7,500 dpm/l 00 cm2 beta. To avoid such significant overestimates, instrument background was subtracted from beta measurements exceeding the investigation level and an area correction was applied to elevated areas less than 100 cm2 in size. A similar standard operating practice was found to cause significant overestimates in the level of alpha residual radioactivity at locations identified for investigation. Instrument and material background counts are not subtracted from alpha static measurements and any acquired counts are considered alpha counts. Instrument and material background counts average 2 to 3 cpm which, assuming a total efficiency of 0.06, yields 33 to 50 dpm/100 cm2 . Approximately 75% of the alpha static measurements (446 of 597) exceeded the investigation level of 28 dpm/100 cm2 alpha. Nevertheless, the practice of not subtracting instrument and material background from alpha static measurements was deemed to be conservative and the investigations were performed. The results of the data investigations are summarized in Table 3-2. The details of the investigations are included in survey unit summary reports (see Appendix B). Depending on the results of the investigation, the identified areas within the survey unit were remediated and/or resurveyed. 2.4.4 DATA RECORDING Measurement data were corrected for instrument efficiency, source efficiency, detector area, and measurement size as applicable, and recorded in units appropriate for comparison to the DCGL. The recording units were dpm/100 cm2. Measured numerical values were recorded and included values below the MDC. Instrument and material backgrounds were generally not subtracted from residual radioactivity measurements gathered using portable instrumentation (see exception in Section 2.4.3). Instrument background was subtracted from measurements analyzed using laboratory instrumentation. Measurement results stored as final survey data constitute the final survey of record and are included in the data set for each survey unit. The data were used for calculations to determine compliance with the site release dose criterion. The affected data were stored as characterization data where a survey unit was remediated and/or reclassified during final survey. 2.4.5 DATA MANAGEMENT The Survey Data Management System (SDMS) was used to store and process survey data. The SDMS is an electronic database that contains the final survey data and constitutes the quality record. Administrative controls for maintaining data integrity were incorporated into the 2-10

TRO1A FO.AURVEYRFPORT-SF~PFNT FUTW FINA PO0TL-1MPAC7'C ) ARF.S' software design. SDMS applications were tested as part of two separate tests: factory acceptance testing performed by the vendor.and site acceptance testing performed by the Final Survey organization. A test plan and procedure were developed and documented for each functional module. Documented test results include the acceptance test objectives, test results, test discrepancies, and corrective actions taken to resolve the discrepancies. Raw survey data captured in the Ludlum Model 2350-1 data logger were downloaded, electronically converted to recording units, and uploaded to the SDMS. Other data, such as laboratory data, were manually entered into the SDMS for analysis. For electronic storage and retrieval purposes, each survey measurement is identified by a unique 15-digit code. The first seven digits are the survey unit Identification (ID) code (see Section 2.1.4). The last eight digits are the measurement ID code. The first two digits of the measurement ID code identify the type of measurement, as shown in the following table, and the last six digits are the unique measurement location ID. Measurement Type Codes Type Code Type Description 01 Static surface beta 02 Static surface alpha 04 Removable beta smears 05 Removable alpha smears 08 Surface scanning beta Records of survey data include the surveyor identification, measurement type, measurement location, measurement instrumentation used, measurement results, and time and date measurement was taken. 2.4.6 QUALITY CONTROL MEASUREMENTS Quality Control (QC) measurements were performed to identify, assess, and monitor measurement error and uncertainty attributable to measurement methods or analytical procedures used in the survey data collection process. A discussion of the QC measurements performed and their results are found in the final survey reports for the Auxiliary and Fuel Building interiors. 2.4.7 PROCEDURES Final survey activities were implemented and controlled using approved plant procedures. A list of those procedures is given in Table 2-2. 2.4.8 TECHNICAL BASIS DOCUMENTS Calculations and memoranda were prepared to document methods that were used, how the methods were derived, underlying assumptions for decisions that were made, the basis for deviations, and other information that warranted documentation. The technical basis documents 2-11

TRC)JAN FINAL SURVEY REPORT-SPENT FUFI. POO-LMPACTED ARFA.S developed to support/conduct the final survey of the SFP-impacted areas are listed in the following table. Calculations Number Title FSC 2003-03 Site Specific Scabbled Concrete Source Efficiency Factor FSC 2004-01 Gross Activity DCGLs for Surfaces Associated with the SFP FSC 2004-03 Remediation Levels for the SFP-Related Gross Activity DCGLs FSC 2004-04 Area Factors for the SFP-Related Gross Activity DCGLs Memoranda Number Title FS-018-03 Beta Surface Scans With a Pancake GM Survey Instrument FS-002-04 Application of Elevated Measurement Comparison FS-004-04 Fuel Building Beta Surface Scans FS-009-04 Surveying Difficult to Access Areas FS-010-04 Fuel/Auxiliary Building Alpha MDC FS-016-04 Beta Surface Scans & Prompt Remediation for-Survey Unit S04093F FS-017-04 Beta Surface Scans & Prompt Remediation for Survey Unit S04093J FS-018-04 Beta Surface Scans & Prompt Remediation for Survey Unit S04093G FS-019-04 Beta Surface Scans & Prompt Remediation for Survey Unit S04093H 2.4.9 CONTROL OF VENDOR SUPPLIED SERVICES Quality-related services, shown in the following table, were procured from qualified vendors whose internal Quality Assurance (QA) program was subject to approval in accordance with the Trojan QA Program. Vendor Supplied Services Vendor Service Ludlum Measurements, Inc. Instrument repair and calibration services Isotope Products Laboratories NIST-traceable calibration and check sources Thermo Nutech Characterization sample analysis Duke Engineering Characterization/final survey sample analysis SAIC Characterization sample analysis Analytics, Inc. Environmental cross-check sample analysis 2-12

TROJANW FINAL. SUR VEY REPORT-SPFTFIlET, POOL-IMPACTED A REA.s 2.4.10 TRAINING Final survey data collection and technical support staff members were initially trained and qualified in procedures performed by them, and received annual refresher training thereafter. Surveyors completed scan and static survey practical training on a semi-annual basis. The following table lists the lesson modules developed and used to provide the training. Final Survey Training Program Module Title FS-S-1 1-LP Final Survey Plan Overview FS-S-22-LP Survey Unit Design FS-S-33-LP Survey Instruments/Data Collection FS-S-55-LP Scan and Static Survey Practical FS-S-66-LP Survey Data Processing FS-S-77-LP SDMS Overview FS-S-88-LP Annual Refresher Training 2-13

( C C TROJAN FINAL. SURVEY REPORT- SPENT FUEL POOL-IMPACTEnAREAS Table 2-1 Portable Instrumentation Radiation Detectors Ludlum Detector Model 43-68 43-68(S)a I 43-68(A)b 43-116-1 J 44-9 Detector Type GFP _ G-M Radiation of Interest beta alpha beta Measurement Type scan, static static scan, static Detector Area 126 m 54 cm 15 cm Window Thickness 0.8 mg/cm2 1.7 mg/cm 2 Window Material m 1lar mica Background (cpm)bc 190 to 290 2 96 to 120 30 to 40 Instrument Efficiency (cnts/dis)c 0.38 to 0.45 0.23 to 0.25 0.39 to 0.41 0.14 to 0.17 Source Efficiency (cnts/dis) 0.50 0.30 0.25 0.50 Total Efficiency (cnts/dis) 0 0.19 to 0.22 0.11 to 0.13 0.06 0.20 to 0.21 0.07 to 0.09 Count Time (min) 2 1 Static MDC (dpm/100 cm C 300 to 340 510 to 580 N/A 500 to 550 2,800 to 3,300 Scan MDC (dpm 100 cm")" 710 to 800 J1,200 to 1,400c N/A 740t to 2 ,4 0 0g 8,200h to 10,780' Notes

 ' (S) denotes detector used with concrete scabbled surface source efficiency.

b(A) denotes detector configured for use in alpha detection mode. b Background count time is I minute. C A range of values is given where multiple detectors were used; values rounded to two significant figures. d Scan MDC assumes 5 cm/sec scan rate, unless otherwise noted.

 ' Assumes a 8.8 cm detector width for an equivalent count time of 0.03 min.

rAssumes a 2.5 cm detector width for an equivalent count time of 0.008 min. gAssumes a 21.5 cm detector length for an equivalent count time of 0.07 min. h Assumes a 4.4 cm detector width for an equivalent count time of 0.015 min.

 'Assumes a 4.4 cm detector width and a 3 cm/sec scan rate for an equivalent count time of 0.024 min.

2-14

TRO.JAN FINAA. .SRVUEYREPORT- SPFNTFUF!. POO-IMPACTFDARFA.S Table 2-2 Final Survey Procedures Number Title TPP 14-24 Transfer of Turnover Units TPP 16-1 Material/Service Procurement and Control Process (forpurchasingfinalsurvey materialsand services) TPP 18-4 Trojan Nuclear Plant Quality Assurance Records Management Program (for final survey quality recordsprocessing) TPP 18-9 Trojan Calculations (for creatingtechnical basis documents) TPP 18-10 Control of Quality-Related Computer Programs (for SDMS revision validations) TPP 20-40 Control of Areas Surveyed for Final Site Release TPP 22-1 Trojan Training Program (for documentingfinal survey staff training) RP 95 Ludlum M2350-1 Data Logger Calibration Procedure (for data logger electroniccalibrations/checksonly) RP 159 Conduct of Portable/Semi-Portable Radiation Protection Instrument Program (for instrument taggingand calibrationsticker) RP 450 Final Survey Administrative and Quality Controls RP 451 Final Survey Unit Design RP 452 Final Survey Data Collection RP 453 Final Survey Data Processing RP 454 Final Survey Background Reference Areas RP 455 Final Survey Quality Control Measurements RP 456 Control & Operation of Data Logger Survey Instruments RP 457 Development and Application of Derived Concentration Guideline Levels RP 458 Final Survey Remediation Levels and ALARA Evaluations RP 459 Final Survey Instruments Calibration Program RP 460 Final Survey Data Management RP 461 Groundwater Sample Collection RG 20-10 SDMS Applications Instructions CL 161 LB5 100 Planchet Counting System Calibration Procedure LI 162 LB5 100 Planchet Counting System Operation 2-15

TRRO14M F!NALi .Sr7RVFY RFPORT-N.PFrT FUrFL PQOF-IA4PACTFn ARFA,

3. FINAL SURVEY RESULTS Final survey scan, static, and supplemental data were collected from the SFP-impacted areas.

Data collection began in August 2004 and was completed in November 2004. Scan measurements were performed over 100 percent of the surface area (2,793 m2) and a total of 1,194 static measurements were collected as final survey data. Table 3-1 summarizes the final survey results. In addition, 597 supplemental removable surface radioactivity measurements (or smears) were collected, with beta results less than 1,000 dpm/100 cm2 and alpha results less than MDC. Twenty-seven data investigations were performed of 522 areas identified by scan or static measurements with elevated beta or alpha residual radioactivity. The 522 areas represent a total of less than 8 m 2 of surface area with residual radioactivity above the DCGL. The results of the data investigations are summarized in Table 3-2. A detailed summary of final survey data for each survey unit is given in the survey unit summary reports in Appendix B. Scan measurement data are provided in the Supplement. Measurement results given in the following sections are direct surface beta measurements, unless otherwise noted, and are reported to two significant figures or to the nearest single-digit whole integer. 3.1 SPENT FUEL POOL AND ADJACENT AREAS The SFP, fuel transfer canal, cask load pit, and immediately adjacent floor and laydown areas comprise nine Class 1 survey units. The surface area of each survey unit ranged from 113 to 437 m2. Beta scan measurements were performed over 100% of the surface area (2,034 mi2 ), with results ranging from 770 to 12,000 dpmIlO0 cm2. Static measurements were collected from 30 to 80 locations in each survey unit. Beta static measurement results ranged from 770 to 5,700 dpm/100 cm2, with average measured values ranging from 1,500 to 2,100 dpm/100 cm2 . Alpha static measurement results ranged from 0 to 120 dpm/100 cm2 , with average measured values ranging from 28 to 53 dpm/100 cm2 . Scan and static measurements identified 409 areas with elevated residual radioactivity in the nine survey units. Data investigations revealed less than 5 in2 of surface area with residual radioactivity above the DCGL, and radioactivity levels up to 150,000 dpm/100 cm2 beta and 330 dpm/100 cm2 alpha. Areas in eight survey units were remediated. The elevated measurement comparison (EMC) was applied to areas in those and other survey units with residual radioactivity remaining above the DCGL. 3.2 AREAS HOUSING SFP-IMPACTED COMPONENTS Areas that housed the SFP heat exchangers, cooling and purification pumps, and filter pits; and remaining components of the Discharge & Dilution Structure (D&DS) outfall chamber & pipe and the embedded SFP ventilation ducting 18" in diameter & larger comprise six Class 1 survey units. The surface area of each survey unit ranged from 36 to 209 m2. Beta scan measurements were performed over 100% of the surface area (759 m2), with results ranging from 600 to 8,900 dpm/100 cm2. Static measurements were collected from 30 to 36 locations in each survey unit. Beta static measurement results ranged from 400 to 6,800 dpm/100 cm2 , with average measured values ranging from 920 to 1,700 dpm/1 00 cm2 . Alpha static measurement results 3-1

TRO 14AW RINA4. STIRTIFY RPORT- .'PEAT F11FL PQQL4&AfPACT~F1),RFA4. ranged from 0 to 110 dpm/I00 cm2, with average measured values ranging from 23 to 46 dpm/100 cm2 . Scan and static measurements identified 113 areas with elevated residual radioactivity in the six survey units. Data investigations revealed less than 3 m2 of surface area with residual radioactivity above the DCGL, and radioactivity levels up to 11,000 dpm/100 cm 2 beta and 110 dpm/I00 cm 2 alpha. Areas in one survey unit were remediated. The EMC was applied to areas in that and other survey units with residual radioactivity remaining above the DCGL.

3.3 BACKGROUND

REFERENCE AREAS Data set populations of beta and alpha static measurements were collected from three background reference areas. Four additional background reference areas were created using data subsets from one of the original background reference areas. A complete data set for each background reference area is found in the survey unit summary report of the survey unit to which it was compared (see Appendix B). 3.3.1 ORIGINAL BACKGROUND REFERENCE AREAS Data were collected from two background reference areas for concrete - one from the Turbine Building basement and the other from the outside south wall of the fuel transfer canal in the Fuel Building. These areas had concrete of the same age and composition as that found in the survey units. Data were collected from a third background reference area for metal pipe. All three background reference areas are impacted areas. However, their purpose and design (i.e., not exposed to transuranic contamination) permitted them to be used. The background reference areas are described in the following sections. The results are summarized below. Summary of Background Reference Area Results Static Measurements (dpm/100 cm2) Area Material B A ID Code Composition Size of eta Alpha Population Low Mean High Std Dev Low Mean High Std Dev 1 3Value Value ,ValueI IaValue It e B02027B concrete 30 N/A N/A N/A N/A 71 34 961 20 B04045Y concrete 80 770 930 I,400 100 6 46 260 31 B04208A metal 36 340 570 740 66 0_ 16 37 10 3.3.1.1 Turbine Building Elev. 27' Neutralizing Tank Room (B02027B) The background reference area consisted of the Turbine Building Elev. 27' Neutralizing Tank Room and the concrete pit on the north side of Main Condenser "C". The area was used as a concrete background reference area for alpha static measurements, which were collected on concrete wall and floor surfaces at random locations. Alpha static measurement results ranged from 7 to 96 dpm/100 cm2, with an average measured value of 34 dpm/I00 cm2 and a standard deviation of 20 dpm/100 cm2. 3-2

TROJ4W FR/AW. (T1RVFYREPORT-SPFATTFliFV. POOT-IAPArCTFl ARFA.S 3.3.1.2 Outside South Wall of Fuel Transfer Canal (B04045Y) The background reference area consisted of the outside wall of the Fuel Transfer Canal and the floor of the Elev. 45' wall gap. The area was used as a concrete background reference area for beta and alpha static measurements, which were collected on concrete wall and floor surfaces at random locations. Beta and alpha static measurements were collected at each of 80 measurement locations. Beta static measurement results ranged from 770 to 1,400 dpm/100 cm2, with an average measured value of 930 dpm/100 cm2 and a standard deviation of 100 dpm/100 cm2. Alpha static measurement results ranged from 6 to 110 dpm/100 cm2 , with a single outlier of 260 dpm/100 cm2 . The outlier was not discarded. The average measured value was 46 dpm/100 cm2, with a standard deviation of 31 dpm/100 cm2. 3.3.1.3 Embedded SFP Ventilation Ducting (B04208A) The survey unit P62208A served as its own background reference area for beta and alpha static measurements. Various diameters of clean stainless steel pipe were inserted into the embedded SFP ventilation ducting 18" in diameter and larger. Beta and alpha static measurements were collected on the bottom of a clean section of stainless steel pipe at each of the 36 locations where static measurements were taken for survey unit P62208A. Beta static measurement results ranged from 340 to 740 dpm/100 cm2 , with an average measured value of 570 dpm/100 cm2 and a standard deviation of 66 dpm/100 cm2. Alpha static measurement results ranged from 0 to 37 dpm/100 cm 2, with an average measured value of 16 dpm/100 cm2 and a standard deviation of 10 dpm/100 cm 2. 3.

3.2 BACKGROUND

REFERENCE AREAS CREATED USING DATA SUBSETS As a general rule, the number of measurements in the background reference area should be the same or close to the number of measurements in the survey unit to which it is compared using the WRS statistical test. To achieve this parity in the number of measurements, the relatively large 80-measurement background reference area B04045Y was used to create background reference areas with smaller sample populations. Where a background reference area of n measurements was needed, it was simply created by taking the first n measurements from the data set population of B04045Y. The background reference areas created from B04045Y are shown in the table below. Background Reference Areas Created Using B04045Y Data Subsets Static Measurements (dpm/100 cm2) Area Beta Alpha ID Code Size of Population LOW Mean High ]StdDe V Low 1 Mean High I Std Dev Value I Value Value I___ I Value B02027B' 30 770 920 1,100 77 N/A N/A N/A N/A B04045N 31 770 920 1 10o 75 6 42 74 19 B04045X 51 770 950 1 400 120 6 44 74 17 B04045Z 36 770 920 1,100 76 6 42 74 Is Note

      'A data set for beta measurements was created and added to the original background reference area data set.

3-3

C c c TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL-IAMPACTFDARFAS Table 3-1 Summary of Final Survey Results Survey Beta Scan Measurements Static Measurements (dpm/100 cmr) Survey Area (m )2 (dpm/100 cm )2 Betad Alp2ade ID Code" Description Floor bTotal" Coverage Low l High NO.r Low Mean High Low Hg HgMean __ _ __ _ _ __ _ __ __ __ __ _ _ _ _ _ _ _ _ ______j  %) IValued Valued Value Value Value Valuel SFP and Adjacent Areas I S04093F FR Elev 93' Spent Fuel Pool - West Half 56 283 100 1,400 10,000' 51 __1,400 200 _4,300 13 51 120 S04093G FB Elev 93' Fuel Transfer Canal 24 437 100 l1,700l 7,900' 80 1 600 2, 00 2,700 7 53 110 S04093H FB Elev 93' Cask Load Pit 15 206 100 1,800 7,000 36 1X700 2,000 2,700 20 45 73 S04093J FB Elev 93' Spent Fuel Pool - East Half 57 314 100 1,700 7,100 57 1,600 1,900 2,900 13 46 99 S04093Q FR Elev 93' Laydown Area - West Half 99 121 100 1,100 12,000' 30 1,500 1,900 2,500 0 32 62 S04093R FB Elev 93' Laydown Area - East Half 90 158 100 920 6,400 30 1,100 1,900 5,700 13 46 86 S04093T PR Elev 93' Spent Fuel Pool SW Floor/Lwr Walls 95 282 100 880 I1,000' 50 1,100 2,100 4,400 13 49 110 S04093V FR Elev 93' Spent Fuel Pool S Center Floor Area 88 113 100 770 7,100 34 930 J1,80 2,300 0 36 79 S04093X PB Elev 93' Spent Fuel Pool SE Floor Area 67 120 100 800 12,000' 34 770 1,500 2,100 0 28 68 Areas Housing SFP-Impacted Components I S04061G B13 Elev 61' SFP Heat Exchanger Room 21 155 100 760 7,500 36 950 1,500 2,400 7 23 53 S05045M AB Elev 45'SFP Cooling/Purification Pump Rms 34 131 100 600 6,800 30 400 1,100 2,700 0 23 68 S05077N AR Elev 77' Filter Pit "D" 3 36 100 870 7,400 31 450 1,200 2,400 7 29 S05077P AB Elev 77' Filter Pit "E" 3 36 100 950 7,200 32 660 1,500 2,800 13 46 10 P62042A D&DS Outfall Chamber & Pipe 11 209 100 600 8,900' 36 420 197009 600 0 46 99 P62208A Embedded SFP Ducting 18" Diameter & Larger N/A 192 100 l 680 4,800 30 520 9201 2,100l o0 26 74 Notes: ' See Section 2.1.4 for description of survey ID code nomenclature. b Includes floor surface area only. ' Includes floor and other surfaces in survey unit. d Survey results reported to two significant figures or to the nearest single-digit whole integer. e Data investigation performed and EMC applied. fNumber collected of each type of radiation measurement; multiply value by two for total number of static measurements collected in survey unit. 3-4

TROJAAN FINAT SURVEFY REPORT- SPENT FUFL POOL-IMPACTEID AREAS Table 3-2 Summary of Data Investigation Results and Actions Taken Area > Maximum Value Unit Class Locations DCGL Action(s) Taken (dpm/100 cm )a 2 UntLctos (m2) Before lTAfter Beta Scan Measurementsb S04093Fc 1 4 0.05 apply EMC 10,000 10,000 S04093Gc 1 1 0.02 cc 7,900 7,900o S04093Q 1 10 0.06 remediate/apply EMC 23,000 12,000 S04093R 1 9 0.18 remediate 2 ,0006 6,400 S04093T 1 19 0.32 remediate/apply EMC 56,00od 11,000 S04093V 1 6 0.05 remediate 34,000 7,100 S04093X 1 9 0.08 remediate/apply EMC T5060006 12,000 S04061G 1 5 N/A none 9,8 7,500 S05045M 1 1 N/A _ _ _7_800_ 6,800 S05077N 1 2 _ cc 8,600 7,400 S05077P 1 3 At 9,600 7,200 P62042A 1 1.35 apply EMC I1,OOd 8,900 Alpha Static Measurements S04093F 1 43 0.6 apply EMC 120 120 S04093G 1 68 0.9 remediate/apply EMC 330 110 S04093H 1 30 0.4 apply EMC 73 73 S04093J 1 46 0.6 remediate/apply EMC 160 99 S04093Q 1 62 0.25 apply EMC 62 62 S04093R 1 23 0.3 remediate/apply EMC 170 86 S04093T 1 41 0.53 apply EMC 110 110 S04093V 1 23 0.3. " c 79 79 S04093X 1 15 0.2 "4 "c 68 68 S04061G 1 11 0.14 c c 53 53 S05045M 1 7 0.1 c 68 68 S05077N 1 12 0.2 " 79 79 S05077P 1 31 0.4 cc 110 110 P62042A 1 23 0.3 remediate/apply EMC 290 99 P62208A 1 11 0.14 apply EMC 74 74 Notes: ' Values rounded to two significant figures. b Actions taken included correcting results by subtracting instrument background and applying an area correction for areas smaller than 100 cm2 , unless otherwise noted.

' Data investigation performed as part of in-process remediation (see discussion in Section 2.4.2); identified locations are areas of elevated residual radioactivity which remain after remediation of hundreds of small areas.

d Uncorrected value (i.e., instrument background not subtracted and area correction not applied).

                                                        *3-5

TROJAN FINAL SURVEY REPORT-SPEFTFUEL POOQ4MPACTV) AREA

4. DATA ASSESSMENT Final survey data were reviewed to ensure that they were of a sufficient type, quantity, and quality such that conclusions could be drawn with confidence regarding the radiological condition of the survey unit. Conclusions were drawn and documented in a separate release record prepared for each survey unit. A summary of the release record for each survey unit is given in Appendix B.

4.1 DATA VERIFICATION AND VALIDATION Data were reviewed to verify Data Quality Objectives (DQOs) established in the final survey design were met. Graphical representations and statistical comparisons of the data were made which provided both qualitative and quantitative information about the data. An assessment was performed to verify the data supported the underlying assumptions necessary for the statistical tests, if applicable. 4.1.1 DATA QUALITY The final survey data were verified authentic, appropriately documented, and technically defensible. Specifically, the following conclusions were made:

1. The instruments used to collect the data were capable of detecting the radiation of interest at or below the investigation level except as noted in Section 2.2.1.3.

2. The calibration of the instruments used to collect the data was current and radioactive sources used for calibration were NIST traceable.

3. Instrument response was checked before and, where required, after data collection each day.

4. The MDCs and the assumptions used to develop them were appropriate for the instruments and the survey methods used to collect the data.

5. The survey methods used to collect the data were appropriate for the media and types of radiation being measured.

6. Special measurement methods used to collect the data were applied as warranted by survey conditions.

7. The custody of samples collected for. laboratory analysis was tracked from the point of collection until final results were obtained.

8. The final survey data set consists of qualified measurement results that are representative of the current facility status and randomly collected as prescribed by the survey design.

4-1

TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL-IMPACTEDAREAS 4.1.2 GRAPHICAL DATA REVIEW Survey data were graphed to identify patterns, relationships, or potential anomalies in the data that might go unnoticed using purely numerical methods. A frequency plot was used to examine the general shape of the data distribution. 4.1.3 BASIC STATISTICAL COMPARISONS Statistical quantities (range, median, and standard deviation) were calculated separately for the beta and alpha final survey data sets for each final survey unit. The calculated quantities were compared to the test values shown in the following table. Basic Statistical Comparisons Statistical Quantity Test Value Failure Response Range (R) R < 5a Examine data for outliers Median (i) II (O- mean) / a I < 0.5 Examine data for outliers and anomalies Standard Deviation (a) I < 0.2 x DCGL Determine if more measurements are necessary Sphere the statistical quantity failed the comparison, the data set and/or survey design assumptions were examined. 4.1.3.1 Range Test Where the range was greater than 5 standard deviations, the data were examined for outliers. Outliers usually represented true extreme values of a distribution, such as areas of elevated residual radioactivity, and indicated more variability in the population than was expected. There were three range test failures; however, no data were discarded. The failures were generally caused by a very tight distribution and a single outlier with elevated results relative to the rest of the data set. Range Test Failures' Survey Calculated Acceptance Reason for Failure Unit Value Criterion Number of High/Low Value Balance of Data Outliers (dpmi/100 cm 2) (dpm/100 cm 2) S04093F 2,910 < 2,225 2 3,900c <2,300 S04093G 1,185 < 1,177 N/A 2,700d S04093R 4,614 < 4,119 1 5,700 <2,600 Notes: ' Test failures are for beta measurement data sets. bValues rounded to two significant figures. cValue shown is average of both outliers. dSmall standard deviation due to tight data set population distribution. 4-2

TROJAN FINAL SURVEY REPORT- SPET FUEL POOfAfPACTFD AREAS 4.1.3.2 Median Test Failure of the median test indicates large differences between the mean and the median and is an indication of the skewness in the data, warranting an examination of the data for outliers or anomalies. There were no failures of the median test. 4.1.3.3 Standard Deviation Test Where the value of the calculated standard deviation was larger than that estimated in the survey design (the initial design value was 0.2 x DCGL), an insufficient number of measurements may have been taken and additional measurements may have been necessary. None of the beta measurement data sets failed the standard deviation test. However, due to the low alpha gross activity DCGL value relative to background, every alpha measurement data set failed the standard deviation test. The standard deviation test consequently cannot be used as indicator of whether an insufficient number of measurements may have been taken. Instead, the results of the statistical test provide this answer directly (see Section 4.2.3). 4.2 SATISFACTION OF THE SITE RELEASE CRITERIA Four conditions were established that, when met, satisfy the site. release criteria (see Section 1.3.1). These conditions were applied using the unity rule and a background reference area for each survey unit, as shown below. The results are shown in Table 4-1. Survey Units and Corresponding Background Reference Areas Survey Number of Unity Rule Background Number of Unity Rule Unit Measurements Mean Reference Area Measurements Mean S04093F 51 2.103 B04045X 51 1.689 S04093G 80 2.138 B04045Y 80 1.765 S04093H 36 1.860 B04045Z 36 1.619 S04093J 57 1.892 B04045X 51 1.689 S04093Q 30 1.384 B02027B 30 1.344 S04093R 30 1.904 B02027B 30 1.344 S04093T 50 2.020 B04045X 50 1.685 S04093V 34 1.533 B02027B 30 1.344 S04093X 34 1.207 B02027B 30 1.344 S04061G 36 1.022 B02027B 30 1.344 S05045M 30 0.973 B02027B 30 1.344 S05077N 31 1.192 B04045N 31 1.630 S05077P 32 1.827 B04045N 31 1.630 P62042A 36 1.871 B04045Z 36 1.617 P62208A 30 1.033 B04208B 30 0.645 4-3

TROJAN FINAL SURVEY REPORT- SPENT FUELZPOO1-IMPACTEDA REAS 4.2.1 CONDITION #1 - MEAN TEST Condition #1 requires that the average residual radioactivity above background be less than or equal to the DCGL. For unity rule application, the DCGL is 1.0. Where a background reference area is used, the difference between the average residual radioactivity of the final survey data set and the average of the background reference area must be less than or equal to the DCGL. Where penetrating radiation from embedded piping is present, as in the SFP-impacted areas, the average is compared to 0.8 x DCGL instead of to the DCGL (see LTP, Section 4.6.3.3). To determine if Condition #1 was met, the mean of the background reference area was subtracted from the mean of the final survey unit data set and the difference compared to 0.8 x DCGL. In all cases, the difference between the average residual radioactivity of the final survey data set and the average of the background reference area was less than 0.7 x DCGL. Therefore, each survey unit satisfies Condition #1. 4.2.2 CONDITION #2 - ELEVATED MEASUREMENT COMPARISON Condition #2 requires that individual measurements, representing small areas of residual radioactivity that exceed the DCGL, do not exceed the EMC DCGL. To determine if Condition #2 was met, the individual beta and alpha static measurements that exceeded the DCGL were summed and compared to the EMC DCGL. In all cases, the individual measurements were less than 0.9 x EMC DCGL. Therefore, each survey unit satisfies Condition #2. The EMC DCGL was developed using the methodology and the area factors provided in the LTP, Appendix 4-1. The radionuclide-specific area factors given in the LTP could not be used directly to develop the EMC DCGL since the gross activity DCGL was derived based on a radionuclide distribution and not on a single radionuclide. Instead, a weighting method was applied using the radionuclide distribution and the relative activity fractions used to derive the gross activity DCGL. The radionuclides of interest were those used in the derivation of the gross activity DCGL. Area factors for use with the gross activity DCGL were calculated for areas of elevated residual radioactivity of I mi2 , 4 m2 , and 9 m2 in size. The area factors were 5.0, 1.2, and 1.0, respectively. As applied, areas smaller in size than I m2 were generally assumed to be 1 m2 and the 1 M2 value of 5.0 was used, resulting in an EMC DCGL of 38,000 dpm/,00 cm2 beta and 140 dpmIlO0 cm2 alpha (5.0 x DCGL). One survey unit (P62042A) had areas of elevated residual radioactivity totaling 1.7 m2 in size. In this case, an interpolated value of 4.1 was applied as the area factor. 4.2.3 CONDITION #3 - STATISTICAL TEST Condition #3 requires that where one or more static measurements exceed the DCGL, the average residual radioactivity passes the Sign or WRS statistical test. To determine if Condition #3 was met, the WRS test was applied to the final survey data sets, all of which had one or more static measurements above the DCGL. In all cases, the average residual radioactivity passed the WRS statistical test (i.e. the Wr value is greater than the calculated critical value). Therefore, each survey unit satisfies Condition #3. 4-4

TROJAN FINAL SURkEYREPORT- SPENT FUEL POOmL4MPACTED AwRA. The Sign statistical test was not used since the alpha background concentration was known to exceed the alpha gross activity DCGL and to ignore them would affect the outcome of the statistical test. Instead, the two-sample WRS statistical test was used. The statistical test (Sign or WRS) is based on the hypothesis that the level of residual radioactivity in the survey unit exceeds the DCGL. There must be sufficient survey data with levels of residual radioactivity at or below the DCGL to reject this statistical hypothesis and to conclude the survey unit meets the site release dose criterion. When the results of the statistical test do reject this hypothesis, the power of the statistical test (i.e., whether a sufficient number of measurements was collected) becomes a somewhat moot question. The data provided statistically significant evidence that the level of residual radioactivity in the survey unit does not exceed the site release dose criterion. The decision that the survey unit is acceptable for unrestricted release can be made with sufficient confidence and without further analysis. 4.2.4 CONDITION #4 - ALARA EVALUATION Condition #4 requires that remediation be performed where it is ALARA to reduce the levels of residual radioactivity to below the concentrations necessary to meet the DCGLs. The levels of residual radioactivity were considered ALARA once remediation actions, considered to be cost effective, were taken. To determine if Condition #4 was met, an ALARA evaluation was performed for every Class 1 survey unit. In all cases, the ALARA evaluation verified that remediation was performed where it was ALARA to do so. Therefore, each survey unit satisfies Condition #4. The ALARA evaluation ensured that: (1) residual radioactivity had been reduced to levels that are as low as reasonably achievable, and (2) efforts to remove residual radioactivity were commensurate with the level of risk the residual radioactivity poses. The ALARA evaluation examined various remediation actions to determine which actions, if any, have a net benefit in further reducing the levels of residual radioactivity. The evaluation compared residual radioactivity levels to calculated remediation levels (see Appendix A) for possible remediation actions. The remediation action was taken where the level of residual radioactivity exceeded the remediation level. Conversely, if the concentration was less than the remediation level, the level of residual radioactivity was documented as ALARA and the remediation action was not performed. 4-5

C C C TROJAN FINAL. SURVEY REPORT- SPENT FUEI. POOL-IMPACTED A REAS Table 4-1 Satisfaction of Conditions for Site Release Condition #1 Condition #2 Condition #3 Condition #4

Conclusion:

Survey . . Mean Test EMC WVRS Test ALARA Satisfies ID Code Decito MeanenTs Diff au M au au oA Area l Max % of W. lCritical Rad Levels Remediated A _Rieriae Release I (m ) I Value NIEC Valuel Value ALARA? I to ALARA? Criteria? SFP and Ad acent Areas S04093F F13 Elev 93' Spent Fuel Pool - West Half 2.103 0.414 0.6 4.25 85 3,295 2,872 N Y Y S04093G FB Elev 93' Fuel Transfer Canal 2.138 0.373 0.9 3.79 76 l 6,922 N Y Y S04093H FB Elev 93' Cask Load Pit 1.860 0.241 0.4 2.61 52 3729 1,460 N Y Y S04093J FB Elev 93' Spent Fuel Pool - East Half 1.892 0.203 0.6 3.54 71 3,688 3,047 N Y Y S04093 FB Elev 93' Laydown Area - West Half 1.384 0.040 0.3 2.21 44 1256 1,026 N Y Y S04093R FB Elev 93' Laydown Area - East Half 1.904 0.560 0.5 3.07 61 1,031 19026 N Y Y S04093T FB Elev 93' Spent Fuel Pool SW Floor/Lower Walls 2.020 0.335 0.9 3.79 76 3,173 2764 N Y y S04093V FB Elev 93' Spent Fuel Pool S Center Floor Area 1.533 0.189 0.4 2.82 56 1,263 1,097 N Y Y S04093X FB Elev 93' Spent Fuel Pool SE Floor Area 1.207 0.137 0.3 2.43 49 1,388 1,097 N Y Y Areas Housing SFP-Ipacted Components S04061G FB Elev 61' SFP Heat Exchanger Room 1.022 0.322 0.1 1.89 38 1,502 1,0209 S05045M AB Elev 45' SFP Cooling/Purification Pump Rooms 0.973 0.371 0.1 2.43 49 1,333 N Y Y S05077N AB Elev 77' Filter Pit "D" 1.192 0.438 0.2 2.82 56 1,401 1,094 N Y Y S05077P AB Elev 77' Filter Pit "E" 1.827 0.197 0.4 3.79 76 1,278 1,144 N Y Y P62042A D&DS Outfall Chamber/Pipe 1.871 0.254 1.7 3.54 86 1,571 11460 N Y Y P62208A Embedded SFP Ducting 18" Diameter & Larger 1.033 0.688 0.1 2.64 53 1,213 1 1026 N Y Y 4-6

TRO.J4M FNAL', SURVEY REPORT- SPEAT FIUE1. POO-IAMPACTED ARFAS.

5. FINAL SURVEY CONCLUSION The final survey of the SFP-impacted areas was performed in accordance with the LTP and its implementing procedures. Final survey data of adequate quantity and quality were collected from each of the survey units. The survey data for each survey unit showed:

1. The difference between the average residual radioactivity of the final survey data set and the average of the background reference area was less than 0.8 x DCGL, which allows for the dose contribution due to penetrating radiation from embedded piping.

2. Individual measurements, representing small areas of residual radioactivity that exceeded the DCGL, did not exceed the EMC DCGL.

3. The average residual radioactivity passed the WRS statistical test.

4. Remediation was performed where it was ALARA to reduce the levels of residual radioactivity to below the concentrations necessary to meet the DCGLs.

These conditions satisfy the site release criteria established in the LTP and the radiological criteria for unrestricted use given in 10 CFR 20.1402 (see Section 1.3). Therefore, it is concluded that the SFP-impacted areas are suitable for release to unrestricted use. 5-1

TROJANK FIWA. SUR VEY REPORT-P.TPFETFLT. POOf.-IMPACTFDA REAS

6. REFERENCES 6-1 Code of Federal Regulations, Title 10, Part 20.1402, "Radiological Criteria for Unrestricted Use."

6-2 Portland General Electric Company Topical Report PGE-1 061, "Trojan Nuclear Plant Defueled Safety Analysis Report and License Termination Plan (PGE-1078)" 6-3 Portland General Electric Company Topical Report PGE-801 0, "Trojan Nuclear Quality Assurance Program." 6-4 Portland General Electric Company, "Trojan Nuclear Plant Radiological Site Characterization Report," Revision 0.1, February 8, 1995. 6-1

TROJAN FhNA4. R11RVFY RFPORT- SPENT FTIFT POOlIAfPACTEI ARFAS APPENDIX A SURVEY PREPARATION ACTIVITIES This appendix provides a general description of decommissioning activities in the nature of a historical assessment that was used to determine the final survey classification of each of the SFP-impacted areas. Detailed decommissioning information as well as a brief radiological history is found in the LTP, Section 3. The SFP-impacted areas were prepared for final survey by a series of decommissioning activities, including radiological characterization, dismantlement or demolition, remediation, and turnover to final survey. Radiological characterization data were gathered and analyzed. The results guided decisions regarding the need for, extent of, and most effective means of remediation. Areas were remediated as needed, and then systematically turned over for final survey. An assessment of the operation and radiological history established the initial classification of SFP-impacted areas. RADIOLOGICAL CHARACTERIZATION Radiological characterization was completed in two phases. The initial radiological characterization was performed as Phase I. It is documented in the "Trojan Nuclear Plant Radiological Site Characterization Report," Revision 0.1, dated February 8, 1995. Phase II involved routine radiological surveys, referred to as operational surveys. These surveys were used to support dismantlement and remediation activities. Areas that were not, or could not be, surveyed during Phase I were surveyed during Phase II. Based on the surveys gathered as part of Phase II characterization, the predominant beta-emitting radionuclides were 60Co, 90Sr, " 7 Cs, and 24'Pu. The predominant alpha emitters were 239n40Pu and 241Am. DISMANTLEMENT AND DEMOLITION ACTIVITIES Equipment and components, as well as heavily contaminated concrete and masonry surfaces, were removed during decommissioning. REMEDIATION ACTIVITIES Remaining structural and component surfaces were remediated using a variety of techniques ranging from wiping to surface material removal. Removable surface radioactivity was remediated via simple means such as wiping down an area and vacuuming to collect dirt and loose radioactivity from recesses and comers. These were considered good practices and were typically applied. Concrete surfaces were remediated by scabbling. Abrasive blasting was used to remove fixed radioactivity from surfaces other than concrete. Remediation levels were established for various types of remediation actions such as scrubbing, abrasive blasting, and scabbling. Remediation levels were developed using an unbiased analysis of remediation actions that could both avert future dose (a benefit to society) and cost money (a potential detriment to society). They are based on the methodology and assumptions given in the A-1

                                 'RO.JA F!MAL. 5SUR VREYRPORT- 5PFAJTFUEIF  POOT,-IAPArTFI) A RFiAS LTP, Section 2.4.2. Where the level of residual radioactivity exceeded the remediation level, the remediation action was taken. Conversely, if the concentration was less than the remediation level, the level of residual radioactivity was considered ALARA and the remediation action was not performed.

The remediation levels applied to SFP-impacted areas are given below. Remediation Levels Remediation Beta Alpha Action (dpm/100 cm2) (dpni/100 cm2) Hand scrubbing 11,000 26 Abrasive blasting 30,000 68 Scabbling 35,000  : 81 TURNOVER A systematic approach was established for the turnover of the SFP-impacted areas from the Decommissioning organization to the Final Survey organization. Dismantlement and remediation activities were completed in areas that could be isolated or controlled in such a manner as to minimize the potential for the reintroduction of contamination from ongoing decommissioning activities in adjacent or nearby areas. These work areas were then prepared for final survey data collection. The SFP-impacted areas were divided into 9 work areas, listed in the following table, each of which was turned over separately. Turnover List Turnover Checklist Work Area Description Number 81 Aux Bldg Elev. 77' filter pits 119 Fuel Bldg Elev. 61' SFP heat exchanger room 121 Fuel Bldg Elev. 93' SFP, fuel transfer canal, cask load pit, & adjacent fir areas 128 Embedded SFP ventilation ducting 132 Fuel Bldg Elev. 93' SFP adjacent floor/laydown area 146 Fuel Bldg Elev. 93' SFP adjacent floor/laydown area 147 Aux Bldg Elev. 45' SFP purification and cooling pump rooms 154 Fuel Bldg Elev. 93' SFP adjacent floor/laydown area 163 D&DS outfall chamber & pipe Prior to turnover, a walkdown of the work area was performed when the final configuration was known, usually near or after the completion of dismantlement and remediation activities. The physical state of the area and the scope of work necessary to prepare it for final survey were assessed during the walkdown. Requirements for access, isolation, and control were also addressed during the walkdown. Support activities necessary to conduct the final survey, such as A-2

T TROJAN4 FINAL SURVEY REPORT- SPENT FIET. POOLh-IMPACTEDr AREA5S scaffolding, interference removal, and electrical tag-outs, were identified. Safety concerns such as access to confined spaces, high walls, and ceilings were also identified. Tools, equipment, and materials not needed for final survey data collection were removed. Housekeeping and clean-up activities were completed. Scaffolding and other temporary equipment needed for final survey data collection were put in place. Administrative and physical controls were instituted to minimize the possibility of introducing radioactive material from ongoing decommissioning activities in adjacent or nearby areas. These measures included personnel training, installation of barriers to control access to the area, installation of postings with access/egress requirements, and removing access to the area. HISTORICAL ASSESSMENT AND INITIAL CLASSIFICATION Based on an assessment of relevant historical information, an initial classification was assigned to the structural surfaces and equipment remaining following the completion of dismantlement, demolition, and remediation activities. Information used in the assessment included the operational and radiological history of the area, the remediation activities performed in the area, and the radiological characterization data collected during decommissioning prior to turnover. Measurement results are summarized in Section 2.1.2. A-3

, - TROJANFINAL SURVEYREPORT- SPENTFUELPOOL IMPACTED AREAS APPENDIX B SURVEY UNIT

SUMMARY

REPORTS - SPENT FUEL POOL IMPACTED AREAS Survev Unit ID Code Page(s) S04093F .... B-2 through B-17 S04093G .... B-18 through B-39 S04093H .... B-40 through B-51 S04093J .... B-52 through B-70 S04093Q .... B-71 through B-82 S04093R .... B-83 through B-95 S04093T .... B-96 through B-Ill S04093V .... B-112 through B-123 S04093X .... B-124 through B-135 S04061G .... B-136 through B-147 S05045M .... B-148thiough B-160 S05077N .... B-161 through B-172 S05077P .... B-173 through B-184 P62042A .... B-185 through B-200 P62208A .... B-201 through B-211 B-1

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093F Classification: Class 1 Survey Unit Name: FB 93' Elevation- Spent Fuel Pool - West Half Size (m2 ): 283 Data Oualitv Values - Beta Type 1 Error  : 5.000e-002 Type 2 Error  : 5.OOOe-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS 1 51 DPM/100 CM 2 7.500e+003 Statistical Quantities Measurement Name: Minimum Value 1.368e+003 Maximum Value 4.278e+003 Range 2 . 910e+003 Median 1.936e+003 Std. Deviation  : 4.450e+002 Mean 1.989e+003 95% UCL 2.093e+003 Measurement Values Location Value Location Value Location Value 000001 1.581e+003 000018 1.710e+003 000035 *1.703e+003 000002 2.174e+003 000019 1.865e+003 000036 1. 916e+003 000003 4.278e+003 000020 2. 123e+003 000037 1.774e+003 000004 2.194e+003 000021 2.291e+003 00003B 1.929e+003 000005 2.039e+003 000022 1.936e+003 000039 2.084e+003 000006 1.594e+003 000023 1.639e+003 000040 1.916e+003 000007 1.607e+003 000024 1.858e+003 000041 1.949e+003 000008 1.955e+003 000025 1.974e+003 000042 1.826e+003 000009 1.962e+003 000026 1.923e+003 000043 2 168e+003 000010 2.155e+003 000027 1 . 910e+003 000044 1.974e+003 000011 1.994e+003 000028 1.826e+003 000045 2.200e+003 000012 1.568e+003 000029 2.065e+003 000046 2.097e+003 000013 3.504e+003 000030 1.607e+003 000047 1.923e+003 000014 2.155e+003 000031 2.033e+003 000048 2.091e+003 000015 1.820e+003 000032 1.368e+003 000049 2.097e+003 000016 1.968e+003 000033 1.639e+003 000050 1.858e+003 000017 1. 671e+003 000034 1.742e+003 000051 2.181e+003 B-2

TROJAN FINAL SUR VEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093F Classification: Class 1 Survey Unit Name: FB 93' Elevation- Spent Fuel Pool - West Half Size (m2 ): 283 Measurement Data Statistical Evaluation - Beta Statistical Comparisons Statistical Quantities Calculated Acceptance Range: 2,910 Test Value Criteria Acceptable? Median: 1,936 Range 2,910 2,225 See comment below Mean: 1,989 Median 0.118 0.500 Pass Std Dev: 445 Mean 1,989 6,000 Pass Minimum: 1,368 Std Dev 445 1,500 Pass Maximum: 4,278 All values are <DCGL, WRS statistical test not required for data set. DCGL: 7,500 Data Frequency Distribution 70% 60% -:s~ U r-40% 0* L. U 0 30%. I. 20% . . 0 10.%.IL 0W/. . . . _ , _, ..... .... . . .. 0 50 1.000 1,500 2,000 2500 3,000 3,500 4.000 4.500 5,000 499 999 1,499 1.999 2,499 2.99 3.499 3,999 4.499 4.999 5.499 Measured Radioactivity (dpm/100 cm2) Number of Observation Plot Parameters Interval High End Low End Observations Frequency

      # of measurements:                      51                        1          499.                 0                   0           0%
             # of intervals:                   11                      2           999              500                     0           0%

Interval increment: 500 3 1,499 1,000 1 2% Minimum: 0 4 1,999 1,500 32 63% Maximum: 5,499 5 2,499 2,000 16 31% 6 2,999 2,500 0 0% Comment: 7 3,499 3,000 0 0% Range failure is a test artifact due to 2 values 8 3,999 3,500 1 2% exceeding 3,500 dpm with the other 49 values all 9 4,499 4,000 1 2% less than 2,300 dpm, resulting in a range that is 10 4,999 4,500 0 0% greater than the test criterion. All values are 11 5,499 5,000 0 0% valid and accepted as representative of the Total: 51 100% survey unit. B-3

TROJAN FJAMAL SURVEY REPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093F Classification: Class 1 Survey Unit Name: FB 93' Elevation- Spent Fuel Pool - West Half Size (m2 ): 283 Background Reference Area B04045X - Beta Statistical Quantities: Range  : 6.442e+002 Median :9.202e+002 Mean  : 9.454e+002 Std. Deviation:  : 1.153e+002

1. of Measurements: 51 Min Value: 7.668e+002 Max Value: 1.411e+003 Measurement Data Status Location Value Code 000001 9.470e+002 B 000002 1.062e+003 B 000003 9.854e+002 B 000004 9.585e+002 B 000005 9.547e+002 B 000006 8.972e+002 B 000007 9.470e+002 B 000008 8.857e+002 B 000009 1.016e+003 B 000010 8.397e+002 B 000011 7.821e+002 B 000012 9.700e+002 B 000013 9.508e+002 B 000014 9.815e+002 B 000015 8.282e+002 B 000016 8.588e+002 B 000017 9.163e+002 B 000018 7.668e+002 B 000019 9.623e+002 B 000020 8.588e+002 B 000021 9.470e+002 B 000022 8.627e+002 B 000023 8.895e+002 B 000024 8.550e+002 B 000025 8.282e+002 B 000026 1.039e+003 B 000027 9.930e+002 B 000028 8.627e+002 B 000029 8.780e+002 B 000030 1.043e+003 B.

000031 9.202e+002 B 000032 8.'627e+002 B 000033 9.048e+0p2 B 000034 9.087e+002 B 000035 7.937e+002 B 000036 1.024e+003 B B-4

TROJAN FINAL SUR VEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093F Classification: Class 1 Survey Unit Name: FB 93' Elevation- Spent Fuel Pool - West Half Size (m2 ): 283 Background Reference Area B04045X - Beta (Continued) Statistical Quantities: Range  : 6.442e+002 Median  : 9.202e+002 Mean  : 9.454e+002 Std. Deviation:  : 1.153e+002

1. of Measurements: 51 Min Value: 7.668e+002 Max Value: 1.411e+003 Measurement Data Status Location* Value Code 000037 1.lOOe+003 B 000038 1.104e+003 B 000039 1.411e+003 B 000040 1.288e+003 B 000041 9.202e+002 B 000042 8.512e+002 B 000043 1.062e+003 B 000044 9.202e+002 B 000045 9.010e+002 B 000046 1.062e+003 B 000047 9.317e+002 B 000048 9.969e+002 B 000049 8.857e+002 B 000050 8.933e+002 B 000051 9.048e+002 B B-5

TROJAN FINAL SUR VEYREPORT- SPENTFUELPOOL IMPACTEDAREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093F Classification: Class 1 Survey Unit Name: FB 93' Elevation- Spent Fuel Pool - West Half Size (m2 ): 283 Data Qualitv Values - Alpha Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS 2 51 DPM/100 CM2 2.800e+001 3.330e+003 Statistical Quantities Measurement Name: Minimum Value 1.323e+001 Maximum Value 1. 190e+002 Range 1.058e+002 Median 5.291e+001 Std. Deviation  : 2.300e+001 Mean 5.135e+001 95% UCL 5. 675e+001 Measurement Values Location Value Location Value Location Value 000001 4. 630e+001 000018 1.984e+001 000035 3. 968e+001 000002 6. 614e+001 000019 5.952e+001 000036 3.968e+001 000003 1.9B4e+001 000020 5.291e+001 000037 1.323e+001 000004 7.275e+001 000021 3. 968e+001 000038 5.29J1e+001 000005 4. 630e+001 000022 8.598e+001 000039 5.952e+001 000006 7.275e+001 000023 3. 968e+001 000040 5.291e+001 000007 7.275e+001 000024 5.291e+001 00004 1 3.968e+001 000008 4. 630e+001 000025 3.968e+001 000042 3.307e+001' 000009 5.291e+001 000026 5.291e+001 000043 4. 630e+001 000010 7. 275e+001 000027 3. 968e+001 000044 6. 614e+001 000011 3. 968e+001 000028 3.307e+001 000045 1.190e+002 000012 3.307e+001 000029 1 .323e+001 000046 5.952e+001 000013 1. 190e+002 000030 8 . 598e+001 000047 7. 937e+001 000014 3.307e+001 000031 5.291e+001 000048 6. 614e+001 000015 4. 630e+001 000032 2.64 6e+001 000049 5.952e+001 000016 2.64 6e+001 000033 5.952e+001 000050 1.323e+001 000017 7.275e+001 000034 2.646e+001 000051 5.952e+001 B-6

TROJAN FINAL SURVEYREPORT- SPENTFUELPOOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093F Classification: Class 1 Survey Unit Name: FB 93' Elevation- Spent Fuel Pool - West Half Size (m2 ): 283 Measurement Data Statistical Evaluation - Alpha Statistical Comparisons Statistical Quantities Calculated Acceptance Range: 106

     . Test           Value         Criteria Acceptable?                                          Median:                53 Range               106            115     Pass                                                Mean:               51 Median           0.066           0.500      Pass                                            Std Dev:                23 Mean                51              28 See comment below                                 Minimum:                 13 Std Dev                23              28    Pass                                          Maximum:                 119 WRS            3330            2872      Pass                                              DCGL:                 28 Data set passes the WRS statistical test as Wr (3330) is greater than k (2875).

Data Frequency Distribution 45% 40% 3 35%,. 25%

             .~20%

0*/ 0 20 40 60 so 100 120 140 160 380 200 19 39 59 79 99 119 139 159 179 199 219 Measured RadioactivIty (dpmflOO Am1 ) Number of Observation Plot Parameters Interval High End Low End Observations Frequency

       # of measurements:          .       51                  1              19         0                3             6%
             # of intervals:               11                 2               39        20                9           18%

Interval increment: 20 3 59 40 20- 39% Minimum: 0 4 79 60 IS 29% Maximum: 219 5 99 80 2 4% Comment: 6 119 100 2 4% Data set fails initial means statistical quantities 7 139 120 0 0% test, which then requires a means test with a 8 159 140 0 0% background reference area data set. Since the 9 179 160 0 0% Survey Unit mean minus Reference Area mean 10 199 180 0 0% is less than the DCGL, the survey unit data set 11 219 200 0 0% passes that means test, and its acceptability is detei mined Total: 51 100% by the WRS test. Since the data set passes the WR.S statistical test, all measurement values are valid and accepted. B-7

TROJAN FINAL SURVEYREPORT- SPENTFUELPOOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093F Classification: Class 1 Survey Unit Name: FB 93' Elevation- Spent Fuel Pool - West Half Size (m2 ): 283 Background Reference Area B04045X - Alpha Statistical Quantities: Range  : 6.820e+001 Median  : 4.340e+001 Mean  : 4.376e+001 Std. Deviation:  : 1.661e+001

# of Measurements: 51                                Min Value: 6.200e+000        Max Value:      7.440e+001 Measurement                                                                             Data Status Location                                                  Value                          Code 000001                                                         3.720e+001                      B 000002                                                         5.580e+001                      B 000003                                                         5.580e+001                      B 000004                                                         3.100e+001                      B.

000005 2.480e+001 B 000006 3.100e+001 B 000007 6.200e+000 B 000008 1.860e+001 B 000009 5.580e+001 B 000010 3.100e+001 B 000011 7.440e+001 B 000012 5.580e+001 B 000013 6.200e+001 B 000014 4.340e+001 B 000015 4.340e+001 B 000016 3.100e+001 B 000017 3.100e+001 B 000018 1.240e+001 B 000019 6.820e+001 B 000020 2.480e+001 B 000021 6.820e+001 B 000022 3.100e+001 B 000023 3.720e+001 B 000024 6.820e+001 B 000025 6.200e+001 B 000026 2.480e+001 B 000027 5.580e+001 B 000028 4.960e+001 B 000029 1.860e+001 B 000030 3.100e+001 B 000031 6.820e+001 B 000032 3.100e+001 B 000033 3.720eI001 B 000034 3.720e+001 B 000035 3.720e+001 B 000036 5.580e+001. B B-8

TROJAN FINAL SURVEYREPORT-SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093F Classification: Class 1 Survey Unit Name: FB 93' Elevation- Spent Fuel Pool - West Half Size (m2 ): 283 Background Reference Area B04045X - Alpha (Continued) Statistical Quantities: Range  : 6.820e+001 Median  : 4.340e+001 Mean  : 4.376e+001 Std. Deviation:  : 1.661e+001

1. of Measurements: 51 Min Value: 6.200e+000 Max Value: 7.440e+001 Measurement Data Status Location Value Code 000037 4.340e+001 B 000038 1.860e+001 B 000039 6.200e+001 B 000040 3.720e+001 B 000041 4.960e+001 B 000042 5.580e+001 B 000043 4.960e+001 B 000044 6.820e+001 B 000045 3.720e+001 B 000046 4.960e+001 .B 000047 6.200e+001 B 000048 4.340e+001 B 000049 6.200e+001 B 000050 3.720e+001 B 000051 4.960e+001 B B-9

TROJAN FINAL SURVEYREPORT- SPENTFUELPOOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093F Classification: Class 1 Survey Unit Name: FB 93' Elevation- Spent Fuel Pool - West Half Size (M2): 283 Jud2mental and Miscellaneous Measurement Data Measurement Type: Surface Scanning Beta Scan Coverage (%): 100 Measurement Units: dpm/lOOcm 2 Investigation Level: 7,500 Minimum Value: 1,397 Maximum Value: 10,110 Measurement Type: Removable Beta Number of Measurements: 51 Measurement Units: dpm/l 00cm2 Investigation Level: 750 Minimum Value: 0 Maximum Value: 6 Measurement Type: Removable Alpha Number of Measurements: 51 Measurement Units: dpm/l00cm2 Investigation Level: MDC Minimum Value: 0 Maximum Value: 4 Discussion of Anomalous Measurement Data Investigation Summarv Reason for Investigation: Forty-three alpha static measurements exceeded the investigation level. Elevated Measurement Comparison (EMC): DCGL (Investigation Level): 28 Measurement Units: dpm/l OOcm 2 Maximum Value: 119 Size of Area Exceeding DCGL (m2 ): 0.6 Size of Survey Unit (m2): 283 Survey Unit Area >DCGL (%): 0.2 EMC Value: 140 Action Taken: Applied EMC data processing to elevated alpha static measurement results. Basis for Action Taken: Sum of small, localized areas of elevated alpha radioactivity identified during static surveys is less than 1 m2 and allowed the EMC DCGL of 5.0 x DCGL to be applied. B-10

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093F Classification: Class 1 Survey Unit Name: FB 93' Elevation- Spent Fuel Pool - West Half Size (m 2): 283 Unitv Rule Evaluation Survey Unit Values Value / DCGL Ratios Ratio Bkg Ref Area Values Location # Beta Alpha Beta Alpha Sum (Y) Beta Alpha* S93FOI *1,581 46 0.211 1.643 1.854 947 37 S93F02 2,174 66 0.290 2.357 2.647 1062 56 S93F03 4,278 20 0.570 0.714 1.285 985.4 56 S93F04 2,194 73 0.293 2.607 2.900 958.5 331 S93F05 2,039 46 0.272 1.643 1.915 954.7 25 S93F06 1,594 73 0.213 2.607 2.820 897.2 31 S93F07 1,607 73 0.214 2.607 2.821 947 6 S93FOS 1,955 46 0.261 1.643 1.904 885.7 19 S93F09 1,962 53 0262 1.893 2.154 1016 56 S93F10 2,155 73 0.287 2.607 2.894 839.7 31 S93FII 1,994 40 0.266 1.A29 1.694 782.1 74 S93F12 1,568 33 0.209 1.179 1.388 970 56 S93F13 3,504 119 0.467 4.250 4.717 950.8 62 S93F14 2,155 33 0.287 1.179 1.466 981.5 43 S93F15 1,820 46 0.243 1.643 1.886 8282 43 S93F16 1,968 27 0.262 0.964 1.227 858.8 31 S93F17 1,671 73 0.223 2.607 2.830 916.3 31 S93F18 1,710 20 0.228 0.714 0.942 766.8 12 S93F19 1,865 60 0.249 2.143 2.392 962.3 68 S93F20 2,123 53 0.283 1.893 2.176 858.8 25 S93F21 2,291 40 0.305 1.429 1.734 947 68 S93F22 1,936 86 0.258 3.071 3.330 862.7 31 S93F23 1,639 40 0.219 1.429 1.647 889.5 37 S93F24 1,858 53 0.248 1.893 2.141- 855 68 S93F25 1,974 40 0.263 1.429 1.692 828.2 62 S93F26 1,923 53 0.256 1.893 2.149 1039 25 S93F27 1,910 40 0.255 1A29 1.683 993 56 S93F28 1,826 33 0.243 1.179 1.422 862.7 50 S93F29 2,065 13 0.275 0.464 0.740 878 19 S93F30 1,607 86 0.214 3.071 3.286 1043 31 S93F31 2,033 53 0271 1.893 2.164 920.2 68 S93F32 1,368 27 0.182 0.964 1.147 862.7 31 S93F33 1,639 60 0.219 2.143 2.361 904.8 37 S93F34 1,742 27 0.232 0.964 1.197 908.7 37 S93F35 1,703 40 0.227 1A29 1.656 793.7 37 S93F36 1,916 40 0.255 1.429 1.684 1024 56 S93F37 1,774 13 0.237 0.464 0.701 1100 43 S93F38 1,929 53 0.257 1.893 2.150 1104 19 S93F39 2,084 0.278 2.143 2.421 1411 62 S93F40 1,916 0.255 1.893 2.148 1288 37 S93F41 1,949 0.260 1.429 1.688 920.2 50 S931F42 1,826 0.243 1.179 1.422 851.2 56 S93F43 2,168 46 0.289 1.643 1.932 1062 50 S93F44 1,974 66 0.263 2.357 2.620 920.2 68 S93F45 2,200 119 0.293 4.250 4.543 901 37 S93F46 2,097 60 0.280 2.143 2.422 1062 50 S93F47 1,923 79 0256 2.821 3.078 931.7 62 S93F48 2,091 66 0.279 2.357 2.636 996.9 43 S93F49 2,097 60 0.280 2.143 2.422 885.7 62 S93F50 1,858 13 0.248 0.464 0.712 893.3 37 S93F51 2,181 60 0.291 2.143 2.434 904.8 904.8 50 50 mean: 2.103 maximum: 4.717 B-lI

TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093F Classification: Class 1 2 Survey Unit Name: FB 93' Elevation- Spent Fuel Pool - West Half Size (m ): 283 Unity Rule Evaluation (Continued) Value / DCGL Ratios Ratio Sum + I 52.5 Z Rank Sum - Wr B-12

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093F Classification: Class 1 Survey Unit Name: FB 93' Elevation- Spent Fuel Pool - West Half Size (m2 ): 283 Unitv Rule Evaluation (Continued) B-13

TROJANFINAL SURVEYREPORT- SPENTFUEL POOL IMPACTEDAREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093F Classification: Class 1 Survey Unit Name: FB 93' Elevation- Spent Fuel Pool - West Half Size (m2 ): 283 Unity Rule Evaluation (Continued)

'Values from B04045X01, which are first 51 values from background reference data set B04045Y01.
 "Values from B04045X02, which are first 51 values from background reference data set B04045Y02.

Note: Highlighted background values to track for Wr Beta DCGL= 7,500 Alpha DCGL= 28 Unity "DCGLh = 1 Since Y mean > Unity DCGL (1.2 > 1.0), go to means test. Means test DM (YMax - BMin) = (4.717 - 0.348) = 4.369 > Unity DCGL DA = (YMean - BMean) = (2.103 - 1.689) 0.414 < Unity DCGL Passes means test Since DM >DCGL & DA <DCGL, go to WRS test for unity rule evaluation. WRS Test: k = MARSSIM equation 1.1 k = m(n + m +1)/2 +z(P)'1 where: n =51 m=51 P= nm(n+m+l)/12 = 22,325 z = 1.645, for 0.05 Type I error k = 51(51+51+1)/2 + 1.645(22,325)12 k - 2627 + 1.645(149) - 2872

Conclusion:

Since Wr > k (3295 > 2872), survey unit passes the unity rule, and, therefore, meets the release criteria. B-14

(. CTTROJAN FINAL SUR VEY REPORT- SPENT FUEL POOL IMPACTED AREAS C FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093F Classification: Class 1 Survey Unit Name: FB 93' Elevation- Spent Fuel Pool - West Half Size (M2 ): 283 Static Measurement Locations Map B-15

C TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093F Classification: Class I Survey Unit Name: FB 93' Elevation- Spent Fuel Pool - West Half Size (M2 ): 283 Static Measurement Locations Man LOOKING NORTH LOOKING SOUTH rS I 2 3 4 5 "ORTHWALL SO"4 VW.+/- SCA4.EPt1ERS) S.JvT1 Ptwo~Wo fin W 45t I NEW. 2 TROJA~N FINA~L SURVEY II"OttoS?"M MAP 12. 1846#13F2 N. 5Revs~l PREPAREOBY In C RAYMOCD REVISION DATt 18-0644

       'toooewI -d                                                                             CHECKED BY   I   S~TE4    00PNEtC            A-75 1104C11I    d~~                      'Z4.~A.4L              A04L  1rdwf                IAREA/0EMW ITECI.-N I

I SPEWTFUEL ?P2. ELEVATION VIE" I" <. Us t B-16

(: TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093F Classification: Class 1 Survey Unit Name: FB 93' Elevation- Spent Fuel Pool - West Half Size (m2 ): 283 Static Measurement Locations Map LOOKING EAST LOOKING WEST EASTVALL VESTVYE. a I 2 3 4 5 SCALE IME1ERS1 SWWTftw~op PERPriDEly TROJAN FINAL SURVEY M'APNO. Sh4E¶1"" REVR!StIONM. 10 11Cp.Iw .I"m PASEFAMO BY I EVISIONDATE 18-4544 R C RAYMOND IrC.MP1A a . # r He He Ihi&6p f7 ww - N.o-, ~&4 "5- CHiECKEDBY H; USD14 MREA/COMPOENT OO REFERENCEIA-75 SPENTFUE. POOL i;2'74 4/2i- 'ft^

                                 -    r=3*   rim            E Ad-he DESCRWIPION               £LEATION VIM11
                                                                                                                                                         .t,  t -V, B-17

TROJAN FINAL SURVEYREPORT-SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class 1 Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Size (m2 ): 437 Data Oualitv Values - Beta Type 1 Error  : 5.OOOe-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS 1 80 -DPM/100 CM2 7 .500e+003 Statistical Quantities Measurement Name: Minimum Value 1.556e+003 Maximum Value 2.741e+003 Range 1. 185e+003 Median 1. 981e+003 Std. Deviation  : 2.355e+002 Mean 1.974e+003 95% UCL 2.018e+003 Measurement Values Location Value Location Value Location Value 000001 1. 671e+003 000018 1.792e+003 0000035 1.804e+003 000002 1. 910e+003 000019 2.065e+003 000036 1.922e+003 0000003 1.891e+003 000020 2.090e+003 000037 1.854e+003 000004 1.904e+003 000021 1.910e+003 000038 1.953e+003 000005 2.127e+003 000022 1.730e+003 000039 1.873e+003 000006 1.866e+003 000023 1.842e+003 000040 1.990e+003 000007 1.687e+003 000024 1.705e+003 000041 2.046e+003 000008 1.632e+003 000025 2.238e+003 000042 2.040e+003 000009 1.823e+003 000026 2.201e+003 000043 2.015e+003 000010 2.350e+003 000027 2.189e+.003 000044 2.077e+003 000011 1.842e+003 000028 1.891e+003 000045 2 ;034e+003 000012 2.369e+003 000029 2.009e+003 000046 2. 617e+003 000013 1.755e+003 000030 2.183e+003 000047 1. 618e+003 000014 1.984e+003 000031 1.885e+003 000048 1.997e+003 000015 2.207e+003 000032 2.040e+003 000049 1.619e+003 000016 1.556e+003 000033 1.773e+003 000050 1.761e+003 000017 2.040e+003 000034 1.798e+003 000051 2. 145e+003 B-18

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class 1 Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Size (m2 ): 437 Data Oualitv Values - Beta (Continued) Location Value 000052 2.530e+003 000053 1.639e+003 000054 2.474e+003 000055 2.090e+003 000056 1.953e+003 000057 2.443e+003 000058 2. 071e+003 000059 2.034e+003 000060 1.897e+003 000061 1.984e+003 000062 2.090e+003 000063 2.741e+003 000064 2. 195e+003 000065 2. 183e+003 000066 1.786e+003 000067 2.096e+003 000068 1.575e+003 000069 1.724e+003 000070 2.009e+003 000071 1. 817e+003 000072 2.028e+003 000073 2.046e+003 000074 1.736e+003 000075 1.947e+003 000076 1.742e+003 000077 2.065e+003 000078 1.990e+003 000079 1.773e+003 000080 1.978e+003 B-19

TROJAN FINAL SURVEYREPORT- SPENT FUEL POOLIMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class 1 Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Size (m2 ): 437 Measurement Data Statistical Evaluation - Beta Statistical Comparisons Statistical Quantities Calculated Acceptance Range: 1,185 Test Value Criteria Acceptable? Median: 1,981 Range 1,185 1,177 See comment below Mean: 1,974 Median 0.028 0.500 Pass Std Dev: 235 Mean 1,974 6,000 Pass Minimum: 1,556 Std Dev 235 1,500 Pass Maximum: 2,741 All values are <DCGL, WRS statistical test not required for data set. DCGL: 7,500 Data Frequency Distribution 60.0%/. 40.0% 30.0% 20.0%/ 1 o PI7re-1,000 1.500 2.000 2.500 3,000 3.500 4.000 4,500 5.000 5.500 6.000 1.499 2.999 2499 2.999 3,499 3.999 4,499 4.999 5.499 5.999 6,499 Mcasured Radioactivity (dpmlOO cm1) Number of Observation Plot Parameters Interval High End Low End Observations Frequency

       # of measurements:                     80                      1       1,499      1,000                 0         0.0%
             # of intervals:                   11                    2        1,999      1,500                45        56.3%

Interval increment: 500 3 2,499 2,000 32 40.0% Minimum: . 1,000 4 2,999 2,500 3 3.8% Maximum: 6,499 5 3,499 3,000 0 0.0% 6 3,999 3,500 0 0.0% Comment: 7 4,499 4,000 0 0.0% Range failure is a test artifact due to a small 8 4,999 4,500 0 0.0% standard deviation, & all measurement values 9 5,499 5,000 0 0.0% less than 3,000 dpm, resulting in a range value 10 5,999 5,500 0 0.0% that is greater than the test criterion. All data I1 6,499 6,000 0 0.0% values are valid and accepted as representative of dhe survey unit. Total: 80 100% B-20

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class 1 Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Size (m2 ): 437 Background Reference Area B04045Y- Beta Statistical Quantities: Range :6.442e+002 Median :9.202e+002 Mean :9.299e+002 Std. Deviation: :1.007e+002

# of Measurements:       80   Min Value: 7.668e+002          Max Value:      1.411e+003 Measurement                                                        Data Status Location                         Value                               Code 000001                              9.470e+002 000002                              1.062e+003 000003                              9.854e+002 000004                              9.585e+002 000005                              9.547e+002 000006                              8.972e+002 000007                              9.470e+002 000008                              8.857e+002 000009                              1 . 016e+003 000010                              8.397e+002 000011                              7. 821e+002 000012                              9.700e+002 000013                              9.508e+002 000014                              9. 815e+002 000015                              8.282e+002 000016                              8.588e+002 000017                              9.163e+002 000018                              7.668e+002 000019                              9.623e+002 000020                              8.588e+002 000021                              9.470e+002 000022                              8.627e+002 000023                              8.895e+002 000024                              8.550e+002 000025                              8.282e+002 000026                              1.039e+003 000027                              9.930e+002 000028                              8.627e+002 000029                              8.780e+002 000030                              1.043e+003 000031                              9.202e+002 000032                              8.627e+002 000033                              9.048e+002 000034                              9.087e+002 000035                              7.937e+002 000036                              1.024e+003 B-21

TROJANFINAL SURVEYREPORT- SPENTFUELPOOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class 1 Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Size (m2 ): 437 Background Reference Area B04045Y - Beta (Continued) Statistical Quantities: Range  : 6.442e+002 Median  : 9.202e+002 Mean  : 9.299e+002 Std. Deviation:  : 1.007e+002

1. of Measurements: 80 Min Value: 7.668e+002 Max Value: 1.411e+003 Measurement Data Status Location Value Code 000037 1.lOOe+003 B 000038 1.104e+003 B 000039 1.411e+003 B 000040 1.288e+003 B 000041 9.202e+002 B 000042 8.512e+002 B 000043 1.062e+003 B 000044 9.202e+002 B 000045 9.010e+002 B 000046 1.062e+003 B 000047 9.317e+002 B 000048 9.969e+002 B 000049 8.857e+002 B 000050 8.933e+002 B 000051 9.048e+002 B 000052 8.473e+002 B 000053 8.703e+002 B 000054 8.473e+002 B 000055 8.128e+002 B 000056 8.397e+002 B 000057 7.898e+002 B 000058 8.052e+002 B 000059 8.742e+002 - B 000060 9.393e+002 B 000061 8.4 7 3e+002 B 000062 8.818e+002 B 000063 9.547e+002 B 000064 9.355e+002 B 000065 9.317e+002 B 000066 9.393e+002 B 000067 9.317e+002 . B 000068 9. 7 39e+002 B 000069 9. 777e+002 B 000070 9.585e+002 B 000071 8. 7 80e+002 B 000072 8.282e+002 B B-22

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class I Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Size (m2 ): 437 Background Reference Area B04045Y - Beta (Continued) Statistical Quantities: Range  : 6.442e+002 Median  : 9.202e+002 Mean  : 9.299e+002 Std. Deviation:  : 1.007e+002

1. of Measurements: 80 Min Value: 7.668e+002 Max Value: 1.411e+003 Measurement Data Status Location Value Code 000073 9.087e+002 B 000074 9.317e+002 B 000075 9. 125e+002 B 000076 9. 317e+002 B 000077 1.005e+003 B 000078 8.550e+002 B 000079 9.662e+002 B 000080 1. OOle+003 B B-23

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IAPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class 1 Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Size (m2 ): 437 Data Quality Values - Alpha Type 1 Error  : 5.000e-002 Type 2 Error  : S.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS 2 80 DPM/100 CM2 2.800e+001 7. 854e+003 Statistical Quantities Measurement Name: Minimum Value 6. 614e+000 Maximum Value 1.058e+002 Range 9.919e+001 Median 5.291e+001 Std. Deviation  : 2.193e+001 Mean 5.250e+001 95% UCL 5.658e+001 Measurement Values Location Value Location Value Location Value 000001 3 .307e+001 000018 6. 614e+001 000035 1.984e+001 000002 5.952e+001 000019 4.630e+001 000036 2. 646e+001 000003 1. 984e+001 000020 3. 968e+001 000037 5.952e+001 000004 5.291e+001 000021 6. 614e+001 000038 6. 614e+001 000005 5. 952e+001 000022 3.307e+001 000039 3.968e+001 000006 3. 968e+001 000023 7.275e+001 000040 4.630e+001 000007 3. 307e+001 000024 7.275e+001 000041 5.291e+001 000008 5.291e+001 000025 5.952e+001 000042 3. 968e+001 000009 7 . 937e+001 000026 1.058e+002 000043 7.937e+001 000010 4. 630e+001 000027 7. 937e+001 000044 7 .275e+001 000011 5.291e+001 000028 3. 968e+001 000045 7.937e+001 000012 1.984e+001 000029 2. 646e+001 000046 3.307e+001 000013 2.646e+001 000030 7. 275e+001 000047 3.968e+001 000014 5.291e+001 000031 6.614e+001 000048 3.307e+001 000015 2. 646e+001 000032 3.968e+001 000049 5.291e+001 000016 3. 968e+001 000033 5. 291e+001 000050 2.646e+001 000017 4.630e+001 000034 4. 630e+001 000051 6. 614e+001

                                                                                   . B-24

TROJAN FINAL SURVEY REPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class 1 Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Size(m): 437 Data Oualitv Values - Alpha (Continued) Location Value 000052 9.259e+001 000053 5. 952e+001 000054 6. 614e+001 000055 8.598e+001 000056 3. 307e+001 000057 3. 307e+001 000058 3. 307e+001 000059 3.968e+001 000060 5.291e+001 000061 9.259e+001 000062 5.291e+001 000063 9.259e+001 000064 1.984e+001 000065 9.259e+001 000066 8.598e+001 000067 6.614e+000 000068 2. 646e+001 000069 6.614e+001 000070 3. 307e+001 000071 8. 598e+001 000072 8. 598e+001 000073 8.598e+001 000074 5.291e+001 000075 5.291e+001 000076 5.952e+001 000077 5. 952e+001 000078 3.307e+001 000079 2. 646e+001 000080 3.307e+001 B-25

TROJAN FINAL SURVEY REPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class 1 Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Size (m2 ): 437 Measurement Data Statistical Evaluation - Alpha Statistical Comparisons Statistical Quantities Calculated Acceptance Range: 99 Test Value Criteria Acceptable? Median: 53 Range 9.9 110 Pass Mean: 53 Median 0.018 0.500 Pass Std Dev: 22 Mean 53 28 See comment below Minimum: 7 Std Dev 22 28 Pass Maximum: 106 WRS 7854 6840 Pass DCGL: 28 Data set passes the WRS statistical test as Wr (7854) is greater than k (6840). Data Frequencv Distribution U I-C0 0 0 Is 30 4s 60 75 90 105 120 235 I50 14 29 44 59 74 39 104 119 134 149 164 Measured Radio2ctivity (dpm/100 cm2) Number of Observation Plot Parameters Interval High End Low End Observations Frequency

       # of measurements:                80                  1              14         0                  1        1.3%
             # of intervals:              11                2               29        15                11        13.8%

Interval increment: 15 3 44 30 20 25.0% Minimum: 0 4 59 45 16 20.0% Maximum: 164 5 74 60 18 22.5% Comment: 6 89 75 9 11.3% Data set fails initial means statistical quantities 7 104 90 4 5.0% test, which then requires a means test with a 8 119 105 1 1.3% background reference area data set. Since the 9 134 120 0 0.0% Survey Unit mean minus Reference Area mean 10 149 135 0 0.0% is less than the DCGL, the survey unit data set 11 164 150 0 0.0% passes that means test, and its acceptability is deter mined Total: 80 100% by the WRS test. Since the data set passes the WR S statistical test, all measurement values are valid and accepted. B-26

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class I Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Size (m2 ): 437 Back2round Reference Area B04045Y - Alpha Statistical Quantities: Range  : 2.542e+002 Median  : 4.340e+001 Mean  : 4.596e+001 Std. Deviation:  : 3.125e+001.

# of Measurements: 80                        Min Value: 6.200e+000                            Max Value:        2.604e+002 Measurement                                                                                          Data Status Location                                           Value                                                Code 000001                                               3.720e+001                                              B 000002                                               5.580e+001                                              B 000003                                               5.580e+001                                              B 000004                                               3.100e+001                                              B 000005                                               2.480e+001                                              B 000006                                               3.100e+001                                              B 000007                                               6.200e+000                                              B 000008                                               1.860e+001                                              B 000009                                               5.580e+001                                              B 000010                                               3.l100e+001                                             B 000011                                               7.440e+001                                              B 000012                                               5.580e+001                                              B 000013                                               6.200e+001                                              B 000014                                               4.340e+001                                              B 000015                                               4.340e+001                                              B 000016                                               3.100e+001                                              B 000017                                               3.100e+001                                              B 000018                                               1.240e+001                                              B 000019                                               6.820e+001                                              B 000020                                               2
                                                       .480e+001                                             B 000021                                                6.820e+001                                             B 000022                                               3.100e+001                                              B 000023                                               3.720e+001                                              B 000024                                                6.820e+001                                             B 000025                                                6.200e+001                                           .B 000026                                               2.480e+001                                              B 000027                                               5.580e+001                                              B 000028                                               4.960e+001                                              B 000029                                               1.860e+001                                              B 000030                                               3.100e+001                                              B 000031                                                6.820e+001                                             B 000032                                               3:100e+001                                              B 000033                                               3.720e+001                                              B 000034                                               3.720e+001                                              B 000035                                                3.720e+001                                             B 000036                                                5.580e+001                                             B B-27

TROJAN FINAL SUR VEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class 1 Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Size (m2 ): 437 Background Reference Area B04045Y - Alpha (Continued) Statistical Quantities: Range  : 2.542e+002 Median  : 4.340e+001 Mean  : 4.596e+001 Std. Deviation:  : 3.125e+001

# of Measurements: 80       Min Value: 6.200e+000          Max Value:      2.604e+002 Measurement                                                      Data Status Location                        Value                               Code 000037                            4 .340e+001                           B 000038                            1.860e+001                            B 000039                            6.200e+001                            B 000040                            3.720e+001                            B 000041                            4.960e+001                            B 000042                            5.580e+001                            B 000043                            4.960e+001                            B 000044                            6. 820e+001                           B 000045                            3.720e+001                            B 000046                            4.960e+001                            B 000047                            6.200e+001                            B 000048                            4.340e+001                            B 000049                            6.200e+001                            B 000050                            3.720e+001                            B 000051                            4.960e+001                            B 000052                            2.604e+002                            B 000053                            4.340e+001                            B 000054                            5.580e+001                            B 000055                            5.580e+001                            B 000056                            2.480e+001                            B 000057                            4.960e+001                            B 000058                            4.960e+001                            B 000059                            3.100e+001                            B 000060                            4.960e+001                            B 000061                            2.480e+001                            B 000062                            8. 681e+001                           B 000063                            2.480e+001                            B 000064                            1.860e+001                            B 000065                            4 .340e+001                           B 000066                            1.860e+001                            B 000067                            3.100e+001                            B 000068                            2. 480e+001                           B 000069                            4.340e+001                            B 000070                            2.480e+001                            B 000071                            2.480e+001                            B 000072                            1.054e+002                            B B-28

TROJAN FINAL SURVEY REPORT- SPENTFUELPOOL IMPACTED ARES FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class 1 Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Size (m2 ): 437 Background Reference Area B04045Y - Alpha (Continued) - Statistical Quantities: Range :2.542e+002 Median :4.340e+001 Mean  : 4.596e+001 Std. Deviation: .  : 3.125e+001

 # of Measurements: 80                 Min Value: 6.200e+000                             Max Value:                   2.604e+002 Measurement                                                                                       Data Status Location                               Value                                                          Code 000073                                     1.240e+001                                                          B 000074                                     4.340e+001                                                          B 000075                                     1.240e+001                                                          B 000076                                     2.480e+001                                                          B 000077                                     1.054e+002                                                          B 000078                                     6.820e+001                                                          B 000079                                     5.580e+001                                                          B 000080                                     3.100e+001                                                          B I

B-29

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOLIMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class 1 Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Size (m2 ): 437 Jud2mental and Miscellaneous Measurement Data Measurement Type: Surface Scanning Beta Scan Coverage (%): 100 Measurement Units: dpm/lOOcm 2 Investigation Level: 7,500 Minimum Value: 1,658 Maximum Value: 7,859 Measurement Type: Removable Beta Number of Measurements: 80 Measurement Units: dpm/lOOcm 2 Investigation Level: 750 Minimum Value: 0 Maximum Value: 64 Measurement Type: Removable Alpha Number of Measurements: 80 Measurement Units: dpm/l OOcm 2 Investigation Level: MDC Minimum Value: 0 Maximum Value: 6 Discussion of Anomalous Measurement Data Investi2ation Summary Reason for Investigation: Sixty-eight alpha static measurements exceeded the investigation level. Elevated Measurement Comparison (EMC): DCGL (Investigation Level): 28 Measurement Units: dpm/l OOcm 2 Maximum Value: 331 Size of Area Exceeding DCGL (m 2 ): 0.9 Size of Survey Unit (m2 ): 437 Survey Unit Area >DCGL (%): 0.2 EMC Value: 140 Action Taken: Remediated static measurement locations 01, 08, 49, & 53, and resurveyed. Replaced original results in SDMS with post-remediation results. Applied EMC data processing to alpha static measurements that remain elevated. Basis for Action Taken: Static measurement locations that approached or exceeded EMC DCGL were remediated. Sum of small, localized areas of elevated alpha radioactivity identified during static surveys is less than 1 m2 and allowed the EMC DCGL of 5.0 x DCGL to be applied. B-30

TROJANFINAL SURVEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class I Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Size (m2 ): 437 Unity Rule Evaluation Survey Unit Values Value I DCGL Ratios Ratio Bkg Ref Area Values Location # Beta Alpha Beta Alpha Sum (Y) Beta* Alphha* S93GOI 1,671 33 0.223 1.179 1.401 947 37 S93G02 1,910 60 0.255 2.126 2.380 1,062 56 S93G03 1,891 20 0.252 0.709 0.961 985 56 S93G04 1,904 53 0.254 1.890 2.144 959 31 S93G05 2,127 60 0.284 2.126 2.409 955 25 S93G06 1,866 40 0.249 .417 1.666 897 31 S93G07 1,687 33 0.225 1.181 1.406 947 6 S93G08 1,632 53 0.218 1.893 2.110 886 19 S93GO9 1,823 79 0.243 2.835 3.078 1,016 56 S93G10 2,350 46 0.313 1.654 1.967 840 31 S93GI I 1,842 53 0.246 1.890 2.135 782 74 S93G12 2,369 20 0.316 0.709 1.024 970 56 S93G13 1,755 26 0.234 0.945 1.179 951 62 S93G14 1,984 53 0.265 1.890 2.154 982 43 S93GI5 2,207 26 0294 0.945 1.239 828 43 S93G16 1,556 40 0.207 1.417 1.625 859 31 S93G17 2,040 46 0.272 1.654 1.926 916 31 S93G18 1,792 66 0.239 2.362 2.601 767 12 S93G19 2,065 46 0.275 1.654 1.929 962 68 S93G20 2,090 40 0.279 1.417 1.696 859 25 S93G21 1,910 66 0.255 2.362 2.617 947 68 S93G22 1,730 33 0231 1.181 1.412 863 31 S93G23 1,842 73 0.246 2.598 2.844 890 37 S93G24 1,705 73 0.227 2.598 2.826 855 68 S93G25 2,238 60 0.298 2.126 2.424 828 62 S93G26 2,201 106 0.293 3.779 4.072 1,039 25 S93G27 2,189 79 0.292 2.835 3.127 993 56 S93G28 1,891 40 0.252 1.417 1.669 863 50 S93G29 2,009 26 0.268 0.945 1.213 878 19 S93G30 2,183 73 0.291 2.598 2.889 1,043 31 S93G31 1,885 66 0.251 2.362 2.613 920 68 S93G32 2,040 40 0.272 1.417 1.689 863 31 S93G33 1,773 53 0.236 1.890 2.126 905 37 S93G34 1,798 46 0.240 1.654 1.893 909 37 S93G35 1,804 20 0.241 0.709 0.949 794 37 S93G36 1,922 26 0.256 0.945 1.201 1,024 56 S93G37 1,854 60 0.247 2.126 2.373 1,100 43 S93G38 1,953 66 0.260 2.362 2.623 1,104 19 S93G39 1,873 40 0.250 IA17 1.667 1,411 62 S93G40 1,990 46 0.265 1.654 1.919 1,288 37 S93G41 2,046 53 0.273 1.890 2.162 920 50 S93G42 2,040 40 0.272 1.417 1.689 851 56 S93G43 2,015 79 0.269 2.835 3.103 1,062 50 S93G44 2,077 73 0.277 2.598 2.875 920 68 S93G45 2,034 79 0.271 2.835 3.106 901 37 S93G46 2,617 33 0.349 1.181 1.530 1,062 50 S93G47 1,618 40 0.216 1.417 1.633 932 62 S93G48 1,997 33 0.266 1.181 1.447 997 43 S93G49 1,619 53 0.216 1.893 2.109 886 62 B-31

TROJAN FINAL SUR VEY REPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class 1 Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Size (m2 ): 437 Unitv Rule Evaluation (Continued) S93G50 1,761 26 0.235 0.945 1.180 893 37 S93G51 2,145 66 0.286 2.362 2.648 905 50 S93G52 2,530 93 0.337 3.307 3.644 847 260 S93G53 1,639 60 0.219 2.143 2.361 870 43 S93G54 2,474 66 0.330 2.362 2.692 847 56 S93G55 2,090 86 0.279 3.071 3.349 813 56 S93G56 1,953 33 0.260 1.181 1.441 840 25 S93G57 2,443 33 0.326 1.181 1.507 790 50 S93G58 2,071 33 0.276 1.181 1.457 805 50 S93G59 2,034 40 0.271 1.417 1.688 874 31 S93G60 1,897 53 0.253 1.890 2.143 939 50 S93G61 1,984 93 0.265 3.307 3.571 847 25 S93G62 2,090 53 0.279 1.890 2.168 882 87 S93G63 2,741 93 0.365 3.307 3.672 955 25 S93G64 2,195 20 0.293 0.709 1.001 936 19 S93G65 2,183 93 0.291 3.307 3.598 932 43 S93G66 1,786 86 0.238 3.071 3.309 939 19 S93G67 2,096 7 0.279 0236 0.516 932 31 S93G68 1,575 26 0.210 0.945 1.155 974 25 S93G69 1,724 66 0.230 2.362 2.592 978 43 S93G70 2,009- 33 0.268 1.181 1.449 959 25 S93G71 1,817 86 0.242 3.071 3.313 878 25 S93G72 2,028 86 0.270 3.071 3.341 828 105 S93G73 2,046 86 0.273 3.071 3.344 909 12 S93G74 1,736 53 0.231 1.890 2.121 932 43 S93G75 1,947 S3 0.260 1.890 2.149 913 12 S93G76 1,742 60 0.232 2.126 2.358 932 25 S93G77 2,065 60 0.275 2.126 2.401 1,005 105 S93G78 1,990 33 0.265 1.181 1.446 855 68 S93G79 1,773 26 0.236 0.945 1.181 966 56 S93080 1.978 33 0.264 1.181 1.445 1.001 31 mean: 2.138 maximum: 4.072 Values from background reference survey unit B04045Y. Note: Highlighted background values to track for Wr Beta DCGL - 7,500 Alpha DCGL ' 28 Unity 'DCGL" - I Since Y mean > Unity DCGL (2.1 > 1.0), go to means test. Means test DM (YMax - BMin) = (4.072 - 0.348) - 3.72 > Unity DCGL DA' (YMean - BMean) - (2.138 - 1.765) 0.373 < Unity DCGL Passesmeans test Since DM >DCGL & DA < DCGL, go to WRS test for unity rule evaluation (see last page). B-32

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class 1 Survey Unit Name: FB .93' Elevation - Fuel Transfer Canal Size (m2 ): 437 Unitv Rule Evaluation (Continued) Value I DCGL Ratios Ratio Sum + I B-33

TROJANFINAL SURVEYREPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class 1 Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Size (m2 ): 437 Unite Rule Evaluation (Continued) 0.119 1.329 0.121 1.771 0.113 9.300 0.116 1.550 1.666 0.113 1.993 2.106 0.108 1.993 2.101 0.112 0.886 0.105 1.771 0.107 1.771 0.117 1.107 0.125 1.771 0.113 0.886 0.118 3.100 0.127 0.886 0.125 0.664 0.124 1.550 0.125 0.664 0.124 1.107 0.130 0.886 0.130 1.550 0.128 0.886 0.117 0.886 0.110 3.764

         -0.121     0.443 0.124      1.550 0.122     0.443 0.124     0.886 0.134     3.764 0.114     2.436 0.129      1.993 mean:     1.765 minimum:      0.348 B-34

TROJAN FINAL SURVEYREPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class 1 Size (M2 ): 437 Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Unitv Rule Evaluation (Continued) B-35

TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class 1 Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Size (m2): 437 Unity Rule Evaluation (Continued) 3.672 154.0 4 .v;'5 3.761' 5.o 4.072 156.0 7 9.0

 -WRSTest:

k = MARSSIM equation 1.1 k = m(n + rn +1)12 +z(P)'1 where: m = number of Z 80 n = number of Y = 80 P=wn(n+m+1Y12 = 85,867 z = 1.645, for 0.05 Type I error k = 80(80o+80+1y2 + 1.645(85,867)' k - 6440 + 1.645(293) - 6922 Wr - 7736 (see Z Rank sum)

Conclusion:

Since Wr > k (7736 > 6922), survey unit passes the unity rule, and, therefore, meets the release criteria. B-36

C. ( TROJAN FINAL SURVEY REPORT-SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class I Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Size (M2 ): 437 Static Measurement Locations Map

                                                                                £C r

B-37

( c C TROJAN FINAL SUR VEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Classification: Class 1 Survey Unit ID Code: S04093G Size (mi): 437 Survey Unit Name: PB 93' Elevation - Fuel Transfer Canal Static Measurement Locations Map B-38

( C TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL IMPACTED AREAS C FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class I Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Size (M2 ): 437 Static Measurement Locations Map (479M

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TROJANFINAL SURVEYREPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093H Classification: Class 1 Survey Unit Name: 1FB 93' Elevation - Cask Load Pit Size (m2 ): 206 Data Qualitv Values - Beta Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.OOOe+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS 1 36 DPM/100 CM2 7.500e+003 Statistical Quantities Measurement Name: Minimum Value 1.658e+003 Maximum Value 2.684e+003 Range 1.026e+003 Median 1. 910e+003 Std. Deviation' : 2.352e+002 Mean 1.973e+003 95% UCL 2.039e+003 Measurement Values Location Value Location Value Location Value 000001 2.065e+003 000018 2.684e+003 000035 1.903e+003 000002 1.839e+003 000019 1.794e+003 000036 2.065e+003 000003 1.865e+003 000020 2.265e+003 000004 2.026e+003 000021 2.355e+003 000005 2.265e+003 000022 2.020e+003 000006 2.284e+003 000023 1.768e+003 000007 2.033e+003 000024 1.813e+003 000008 1.916e+003 000025 1.678e+003 000009 2.078e+003 000026 1.774e+003 000010 1.736e+003 000027 1.710e+003 000011 2.039e+003 000028 1.839e+003 000012 1.710e+003 000029 1.865e+003 000013 1.987e+003 000030 1.658e+003 000014 1.800e+003 000031 1.749e+003 000015 1.878e+003 000032 2.078e+003 000016 1. 813e+003 000033 2. 400e+003 000017 2.033e+003 000034 2.252e+003 B-40

TROJAN FINAL SURVEYREPORT- SPENTFUELPOOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093H Classification: Class 1 Survey Unit Name: FB 93' Elevation - Cask Load Pit Size (M2 ): 206 Measurement Data Statistical Evaluation - Beta Statistical Comparisons Statistical Quantities Calculated Acceptance Range: 1,026 Test Value Criteria Acceptable? Median: 1,910 Range 1,026 1,176 Pass . Mean: 1,973 Median 0.271 0.500 Pass Std Dev: 235 Mean 1,973 6,000 Pass Minimum: 1,658 Std Dev 235 1,500 Pass Maximum: 2,684 All values are <DCGL, WRS statistical test not required for data set. DCGL: 7,500 Data Frequency Distribution 60% 50% Wf. O 5X0 1,000 1,500 2,000 MOO0 3,000 3,500 4,000 4,500 S.000 499 999 1,499 1.999 2X499 X999 3,4" 3.999 4,499 4,999 5,499 Measured Radioactivity (dpni/100 cmi ) Number of Observation Plot Parameters Interval High End Low End Observations Frequency

    # of measurements:               36                   1            499             0                 0           0%
          # of intervals:             11                  2            999           500                 0           0%

Interval increment: 500 3 1,499 1,000 0. 0% Minimum: 0 4 1,999 1,500 20 56% Maximum: 5,499 5 2,499 2,000 15 42% 6 2,999 2,500 1 3% Comment: 7 3,499 3,000 0 0% None. 8 3,999 3,500 0 0% 9 4,499 4,000 0 0% 10 4,999 4,500 0 0% 11 5,499 5,000 0 0% Total: 36 100% B-41

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Sunrey Unit ID Code: S04093H Classification: Class 1 Survey Unit Name: FB 93' Elevation - Cask Load Pit Size (m2 ): 206 Background Reference Area B04045Z - Beta Statistical Quantities: Range :2.952e+002 Median :9.125e+002 Mean :9.161e+002 Std. Deviation: :7.569e+001

1. of Measurements: 36 Min Value: 7.668e+002 Max Value: 1.062e+003 Measurement Data Status Location Value Code 000001 9.470e+002 B 000002 1.062e+003 B 000003 9.854e+002 B 000004 9.585e+002 B 000005 9.547e+002 B 000006 8.972e+002 B 000007 9.470e+002 B 000008 8.857e+002 B 000009 1.016e+003 B 000010 8.397e+002 B 000011 7.821e+002 B 000012 9.700e+002 B 000013 9.508e+002 B 000014 9. 815e+002 B 000015 8.282e+002 B 000016 8.588e+002 B 000017 9.163e+002 B 000018 7.668e+002 B 000019 9.623e+002 B 000020 8.588e+002 B 000021 9.470e+002 B 000022 8.627e+002 B 000023 8.895e+002 .B 000024 8.550e+002 B 000025 8.282e+002 B 000026 1.039e+003 B 000027 9.930e+002 B 000028 8.627e+002 B 000029 8.780e+002 B 000030 1.043e+003 B 000031 9.202e+002 B 000032 8.627e+002 B 000033 9.048e+002 B 000034 9.087e+002 B 000035 7.937e+002 B 000036 1.024e+003 B B-42

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093H Classification: Class 1 Survey Unit Name: FB 93' Elevation - Cask Load Pit Size (m2 ): 206 Data Ouality Values - Alpha Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS 2 36 DPM/100 CM 2 2.800e+001 1.770e+003 Statistical Quantities Measurement Name: Minimum Value 1.984e+001 Maximum Value 7.275e+001 Range 5.291e+001 Median 4. 630e+001 Std. Deviation 1.469e+001 Mean 4.464e+001 95% UCL 4.878e+001 Measurement Values Location Value Location Value Location Value 000001 4.630e+001 000018 5.291e+001 000035 94.630e+001 000002 3.968e+001 000019 3.307e+001 000036 1.984e+001 000003 5.291e+001 000020 4.630e+001 000004 3.968e+001 000021 6.614e+001 000005 3.307e+001 000022 3.968e+001 000006 3.968e+001 000023 7.275e+001 000007 4. 630e+001 000024 7.275e+001 000008 3.968e+001 000025 2.646e+001 000009 3.968e+001 000026 1.984e+001 000010 3.968e+001 000027 3.968e+001 000011 5.952e+001 000028 1.984e+001 000012 5.952e+001 000029 4.630e+001 000013 5.291e+001 000030 3.968e+001 000014 5. 952e+001 000031 4.630e+001 000015 2.646e+001 000032 4.630e+001 000016 4. 630e+001 000033 1.984e+001 000017 7.275e+001 000034 5.952e+001 B-43

TROJAN1FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093H Classification: Class 1 Survey Unit Name: FB 93' Elevation - Cask Load Pit Size (m2 ): 206 Measurement Data Statistical Evaluation - Alpha Statistical Comparisons Statistical Quantities Calculated Acceptance Range: 53 Test Value Criteria Acceptable? Median: 46 Range 53 74 Pass Mean: 45 Median 0.087 0.500 Pass Std Dev: 15 Mean 45 28 See comment below Minimum: 20 Std Dev 15 28 Pass Maximum: 73 WRS 1770 1460 Pass DCGL: 28 Data set passes the WRS statistical test as Wr (1770) is greater than k (1460). Data Frequenev Distribution 60% 2-U

             .t     Va.

C 21 0 20 40 60 so 100 120 140 160 Ito 200 19 39 59 79 99 1X9 139 159 179 199 219 Measured Radioactivity (dpm/100 cm2) Number of Observation Plot Parameters Interval High End Low End Observations Frequency

       # of measurements:                  36                 1              19         0                0            0%
               # of intervals:             I1                2              39         20                8          22%

Interval increment: 20 3 59 40 20 56% Minimum: 0 4 79 60 8 22% Maximum: 219 5 99 80 0 0% Comment: 6 119 100 0 0% Data set fails initial means statistical quantities 7 139 120 0 0% test, which then requires a means test with a 8 159 140 0 0% background reference area data set. Since the 9 179 160 0 0% Survey Unit mean minus Reference Area mean 10 199 180 0 0% is less than the DCGL, the survey unit data set 11 219 200 0 0% passes that means test, and its acceptability is determined Total: 36 100% by the WRS test. Since the data set passes the WR S statistical test, all measurement values are valid and accepted. B-44

TROJAN FINAL SURVEYREPORT- SPENTFUELPOOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093H Classification: Class 1 Survey Unit Name: FB 93' Elevation - Cask Load Pit Size (m2 ): 206 Background Reference Area B04045Z - Alpha Statistical Quantities: Range  : 6.820e+001 Median  : 3.720e+001 Mean  : 4.185e+001 Std. Deviation:  : 1.775e+001

# of Measurements:        36    Min Value: 6.200e+000                              Max Value:                  7.440e+001 Measurement                                                                                  Data Status Location                          Value                                                          Code 000001                                3.720e+001                                                         B 000002                                5.580e+001                                                         B 000003                                5.580e+001                                                         B 000004                                3.100e+001                                                         B 000005                                2.480e+001                                                         B 000006                                3.100e+001                                                         B 000007                                6.200e+000                                                         B 000008                                1.860e+001                                                         B 000009                                5.580e+001                                                         B 000010                                3.100e+001                                                         B 000011                                7.440e+001                                                         B 000012                                5.580e+001                                                         B 000013                                6.200e+001                                                         B 000014                                4.340e+001                                                         B 000015                                4.340e+001                                                         B 000016                                3.100e+001                                                         B 000017                                3.100e+001                                                         B 000018                                1.240e+001                                                         B 000019                                6.820e+001                                                         B 000020                                2.480e+001                                                         B 000021                                6.820e+001                                                         B 000022                                3.100e+001                                                         B 000023                                3.720e+001                                                         B 000024                                6.820e+001                                                         B 000025                                6.200e+001                                                         B 000026                                2.480e+001                                                         B 000027                                5.580e+001                                                         B 000028                                4.960e+001                                                         B 000029                                1.860e+001                                                         B 000030                                3.100e+001                                                         B 000031                                6.820e+001                                                         B 000032                                3.100e+001                                                         B 000033                                3.720e+001                                                         B 000034                                3.720e+001                                                         B 000035                                3.720e+001                                                         B 000036                                5.580e+001                                                         B B-45

TROJAN FINAL SURVEY REPORT- SPENTFUELPOOL IMPACTED ARS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093H Classification: Class 1 Survey Unit Name: FB 93' Elevation - Cask Load Pit Size (m2 ): 206 Judgmental and Miscellaneous Measurement Data Measurement Type: Surface Scanning Beta Scan Coverage (%): 100 Measurement Units: dpm/lOOcm 2 Investigation Level: 7,500 Minimum Value: 1,808 Maximum Value: 7,015 Measurement Type: Removable Beta Number of Measurements: 36 Measurement Units: dpm/1 00cm2 Investigation Level: 750 Minimum Value: 0 Maximum Value: 21 Measurement Type: Removable Alpha Number of Measurements: 36 Measurement Units: dpml1OOcm 2 Investigation Level: MDC Minimum Value: 0 Maximum Value: 4 Discussion of Anomalous Measurement Data Investi2ation Summary Reason for Investigation: Thirty alpha static measurements exceeded the investigation level. Elevated Measurement Comparison (EMC): DCGL (Investigation Level): 28 Measurement Units: dpm/l OOcm 2 Maximum Value: 73 Size of Area Exceeding DCGL (mi): 0.4 Size of Survey Unit (m2 ): 206 Survey Unit Area >DCGL (%): 0.2 EMC Value: 140 Action Taken: Applied EMC data processing to elevated alpha static measurement results. Basis for Action Taken: Sum of small, localized areas of elevated alpha radioactivity identified during static surveys is less than 1 m2 and allowed the EMC DCGL of 5.0 x DCGL to be applied. B-46

TROJAN FINAL SURVEY REPORT- SPENTFUEL POOLIMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093H Classification: Class 1 Survey Unit Name: FB 93' Elevation - Cask Load Pit Size (m2 ): 206 Unity Rule Evaluation Survey Unit Values Value t DCGL Ratios Ratio Bkg Ref Area Values Location 1 Beta Alpha Beta Alpha Sum (Y) Beta' Alpha* S93H01 2,065 46 0.275 1.643 1.918 947 37 S93H02 1,839 40 0.245 1.429 1.674 1,062 56 S93H03 1,865 53 0.249 1.893 2.142. 985 56 S93H04 2,026 40 0.270 1.429 1.699 959 31 S93H05 2,265 33 0.302 1.179 1.481 955 25 S93H06 2,284 40 0.305 1.A29 1.733 897 31 S93H07 2,033 46 0.271 1.643 1.914 947 6 S93H08 1,916 40 0.255 1.429 1.684 886 19 S93H09 2,078 40 0.277 1.429 1.706 1,016 56 S93H10 1,736 40 0.231 IlA29 1.660 840 31 S93H11 2,039 60 0.272 2.143 2.415 782 .74 S93H12 1,710 60 0.228 2.143 2.371 970 56 S93H13 1,987 53 0.265 1.893 2.158 951 62 S93H14 1,800 60 0.240 2.143 2.383 982 43 S93H15 1,878 26 0.250 0.929 1.179 828 43 S93H16 1,813 46. 0.242 1.643 1.885 859 31 S93H17 2,033 73 0.271 2.607 2.878 916 31 S93H18 2,684 53 0.358 1.893 2.251 767 12 S93H19 1,794 33 0.239 1.179 1.418 962 68 S93H20 2,265 46 0.302 1.643 1.945 859 25 S93H21 2,355 66 0.314 2.357 2.671 947 68 S93H22 2,020 40 0.269 IA29 1.698 863 31 S93H23 1,768 73 0.236 2.607 2.843 890 37 S93H24 1,813 73 0.242 2.607 2.849 855 68 S93H25 1,678 26 0.224 0.929 1.152 828 62 S93H26 1,774 20 0.237 0.714 0.951 1,039 -25 S93H27 1,710 40 0.228 IA29 1.657 993 . 59 S93H28 1,839 20 0.245 0.714 0.959 863 50 S93H29 1,865 46 0.249 1.643 1.892 878 19 S931130 1,658 40 0.221 1.429 1.650 1,043 31 S93H31 1,749 46 0.233 1.643 1.876 920 68 S93H32 2,078 46 0.277 1.643 1.920 863 31 S93H33 2,400 20 0.320 0.714 1.034 905 37 S93H34 2,252 60 0.300 2.143 2.443 909 37 S93H35 1,903 46 0.254 1.643 1.897 794 37 S93H36 2,065 20 0.275 0.714 0.990 1,024 56 mean: 1.860 maximum: 2.878

    *Values from B04045Z01, which are first 36 values from background reference data set B04045Y01.
     "*Values from B04045Z02, which are first 36 values from background reference data set B04045Y02.

Note: Highlighted background values to track for Wr Beta DCGL = 7,500 Alpha DCGL = 28 Unity "DCGL" = I Since Y mean > Unity DCGL (2.1 > 1.0), go to means test (see next page). B-47

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093H Classification: Class 1 Survey Unit Name: FB 93' Elevation - Cask Load Pit Size (m2 ): 206 Unity Rule Evaluation (Continued) Value / DCGL Ratios Ratio Sum + I

                                                                                             - Wr Means test:

DM (YMax - BMin) (2.878 - 0.341) = 2.537 > Unity DCGL DA - (YMean - BMean) 2.251 43.0 (1.860- 1.619) -0.241 <UnityDCGL 2.371 44.0 Passes means test 2.383 45.0 Since DM >DCGL & DA < DCGL, go to 2.415 46.0 WRS test for unity rule evaluation (see next page). ,V 1 I' ,:241

                                                               '    ; !2.4427 .480 B-48

TROJAN FINAL SURVEYREPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093H Classification: Class 1 Survey Unit Name: FB 93' Elevation - Cask Load Pit Size (n 2): 206 Unity Rule Evaluation (Continued) WRS Test: k = MARSSIM equation 1.1 k = rnn +m +1)/2 +z(P)'1 where: n = 36 m=36 P=nm(n+m+)1l2 = 7,884 z - 1.645, for 0.05 Type I error k = 36(36+36+1)/2 + 1.645(7884)" k= 1314 + 1.645(88.5) = 1460

== Conclusion:==

Since Wr > k 1729 > 1460), survey unit passes the unity rule, and, therefore, meets the release criteria. B-49

(7 C FC TROJAN FINAL SURVEY REPORT PETFJTUELPOLMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093H Classification: Class 1 Survey Unit Name: FB 93' Elevation - Cask Load Pit Size (m2 ): 206 Static Measurement Locations Map _EL -W 7 T SO H I ICONCRETE) O lSO N

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C C TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL IMPACTED AREAS C FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093H Classification: Class I Survey Unit Name: FB 93' Elevation - Cask Load Pit Size (m2 ): 206 Static Measurement Locations Mat)

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TROJAN FINAL SURVEY REPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093J Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool - East Half Size (m2 ): 314 Data Oualitv Values - Beta Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit

• DCGL SGN WRm 1 57 DPM/100 CM2 7.500e+003 Statistical Quantities Measurement Name:

Minimum Value 1.555e+003 Maximum Value 2.929e+003 Range 1.374e+003 Median 1.878e+003 Std. Deviation 2.871e+002 Mean 1.945e+003 95% UCL 2. 009e+003 Measurement Values Location Value Location Value Location Value 000001 1.832e+003 000018 2.020e+003 000035 1.697e+003 000002 1.884e+003 000019 1.786e+003 000036 1.742e+003 000003 1.736e+003 000020 2.123e+003 000037 1.813e+003 000004 1.774e+003 000021 1; 955e+003 000038 1.723e+003 000005 1.555e+003 000022 2.458e+003 000039 2.045e+003 000006 1.755e+003 000023 2.194e+003 000040 1.865e+003 000007 1.845e+003 000024 2.349e+003 000041 1.723e+003 000008 1.749e+003 000025 2.929e+003 000042 2. 162e+003 000009 1.684e+003 000026 1. 813e+003 000043 2.220e+003 000010 1.665e+003 000027 1.884e+003 000044 2.929e+003 000011 1.768e+003 000028 2.458e+003 000045 2.478e+003 000012 1.755e+003 000029 2.245e+003 000046 1.897e+003 000013 2.058e+003 000030 2.278e+003 000047 1.929e+003 000014 1.652e+003 000031 1.736e+003 000048 1.878e+003 000015 2.020e+003 000032 1.755e+003 000049 1.749e+003 000016 1.962e+003 000033 1.736e+003 000050 1. 897e+003 000017 1. 916e+003 000034 1.762e+003 000051 1.936e+003 B-52

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093J Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool - East Half Size (m2 ): 314 Data Oualitv Values - Beta (Continued) Location Value 000052 __ ________ -______ 000052 1.620e+003 000053 1.936e+003 000054 1.929e+003 000055 1.768e+003 000056 2.000e+003 000057 1.845e+003 B-53

TROJAN FINAL SURVEY REPORT- SPENTFUELPOOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093J Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool - East Half Size (in2 ): 314 Measurement Data Statistical Evaluation - Beta Statistical Comparisons Statistical Quantities Calculated Acceptance Range: 1,374 Test Value Criteria Acceptable? Median: 1,878 Range 1,374 1,435 Pass Mean: 1,945 Median 0.234 0.500 Pass Std Dev: 287 Mean 1,945 6,000 Pass Minimum: 1,555 Std Dev 287 1,500 Pass Maximum: 2,929 All values are <DCGL, WRS statistical test not required for data set. DCGL: 7,500 Data Frequency Distribution so,/.I 70% 60%W . 50%/ r-430% 30%

          .0 10%.                            X
                ,'=                                   1    -     .--;

0 500 1.000 1.500 2,000 2.500 3,000 3,500 4,000 4.500 5,000 499 999 1.499 1.999 2,499 2,999 3.499 3.999 4,499 4.999 5,499 Measured Radioactivity (dpm/100 cm2) Number of Observation Plot Parameters Interval High End Low End Observations Frequency

    # of measurements:                   57                   1             499           0                 0           0%
            # of intervals:               11                 2              999         500                 0           0%

Interval increment: 500 3 1,499 1,000 0- 0% Minimum: 0 4 1,999 1,500 40 '70% Maximum: 5,499 5 2,499 2,000 15 26% 6 2,999 2,500 2 4% Comment: 7 . 3,499 3,000 0 0% NONE. 8 3,999 3,500 0 0% 9 4,499 4,000 0 0% 10 4,999 4,500 0 0% 11 5,499 5,000 0 0% Total: 57 100% B-54

TROJAN FINAL SURVEYREPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

• Survey Unit ID Code: S04093J Classification: Class I Survey Unit Name: FB 93' Elevation - Spent Fuel Pool - East Half Size (m2 ): 314 Background Reference Area B04045X - Beta Statistical Quantities:

Range  : 6.442e+002 Median  : 9.202e+002 Mean  : 9.454e+002 Std. Deviation:  : 1.153e+002

 # of Measurements: 51                      Min Value: 7.668e+002                           Max Value:        1.411e+003 Measurement                                                                                      Data Status Location                                          Value                                              Code 000001                                              9.470e+002                                           B 000002                                              1.062e+003                                           B 000003                                              9.854e+002                                           B 000004                                              9.585e+002                                           B 000005                                              9.547e+002                                           B 000006                                              8.972e+002                                           B 000007                                              9.470e+002                                           B 000008                                              8.857e+002                                           B 000009                                              1.016e+003                                           B 000010                                              8.397e+002                                           B 000011                                              7.821e+002                                           B 000012                                              9.700e+002                                           B 000013                                              9.508e+002                                           B 000014                                              9.815e+002                                 .         B 000015                                              8.282e+002                                           B 000016                                              8.588e+002                                           B 000017                                              9.163e+002                                           B 000018                                              7.668e+002                                           B 000019                                              9.623e+002                                           B 000020                                              8.588e+002                                           B 000021                                              9.470e+002                                           B 000022                                              8.627e+002                                           B 000023                                              8.895e+002                                           B 000024                                              8.550e+002                                           B 000025                                              8.282e+002                                           B 000026                                              1.039e+003                                           B 000027                                              9.930e+002                                           B 000028                                              8.627e+002                                           B 000029                                              8.780e+002                                           B 000030                                              1.043e+003                                           B 000031                                              9.202e+002                                           B 000032                                              8.627e+002                                           B 000033                                              9.048e+002                                           B 000034                                              9. 087e+002                                          B 000035                                              7.937e+002                                           B 000036                                              1.024e+003                                           B B-55

TROJAN FINAL SUR VEYREPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093J Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool - East Half Size (m2 ): 314 Backaround Reference Area B04045X - Beta (Continued) Statistical Quantities: Range  : 6.442e+002 Median  : 9.202e+002 Mean  : 9.454e+002 Std. Deviation:  : 1.153e+002

# of Measurements: 51       Min Value: 7.668e+002               Max Value:      1.411e+003 Measurement                                                           Data Status Location                        Value                                   Code 000037                            1. lOOe+003                               B 000038                            1. 104e+003                               B 000039                            1.411e+003                                B 000040                            1.288e+003                                B 000041                            9.202e+002                                B 000042                            8.512e+002                                B 000043                            1.062e+003                                B 000044                            9.202e+002                                B 000045                            9.010e+002                                B 000046                            1.062e+003                                B 000047                            9.317e+002                                B 000048                            9.969e+002                                B 000049                            8.857e+002                                B 000050                            8.933e+002                                B 000051                            9.048e+002                                B B-56

TROJAN FINAL SUR VEYREPORT-SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093J Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool - East Half Size (m2 ): 314 Data Oualitv Values - Alpha Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS 2 57 DPM/100 CM2 2. 800e+001 3.762e+003 Statistical Quantities Measurement Name: Minimum Value 1.323e+001 Maximum Value 9. 921e+001 Range 8.598e+001 Median 4. 630e+001 Std. Deviation : 1. 913e+001 Mean 4. 572e+001 95% UCL 4. 996e+001 Measurement Values Location Value Location Value Location Value 000001 3. 307e+001 000018 7. 937e+001 000035 9.921e+001 000002 5. 952e+001 000019 1. 323e+001 000036 7.275e+001 000003 1. 984e+001 000020 3.968e+001 000037 4.630e+001 000004 8.598e+001 000021 3.968e+001 000038 1. 323e+001 000005 3.307e+001 000022 5. 952e+001 000039 3.968e+001 000006 2.646e+001 000023 2.64 6e+001 000040 2.646e+001 000007 3.968e+001 000024 5.291e+001 000041 1.984e+001 000008 3.307e+001 000025 5.952e+001 000042 3.968e+001 000009 4. 630e+001 000026 4. 630e+001 000043 5.291e+001 000010 6. 614e+001 000027 7 . 275e+001 000044 5.291e+001 000011 4. 630e+001 000028 3.968e+001 000045 5.952e+001 000012 5.291e+001 000029 4. 630e+001 000046 1.323e+001 000013 3.968e+001 000030 7.275e+001 000047 4. 630e+001 000014 7. 275e+001 000031 2. 646e+001 000048 5.291e+001 000015 3. 968e+001 000032 6. 614e+001 000049 4. 630e+001 000016 5.952e+001 000033 3.968e+001 000050 4. 630e+001 000017 4.630e+001 000034 3.968e+001 000051 1.323e+001 B-57

TROJAN FINAL SUR VEY REPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS SUMMIARY Survey Unit ID Code: S04093J Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool - East Half Size (m2 ): 314 Data Ouality Values - Alpha (Continued) Location Value 000052 5.291e+001 000053 1.323e+001 000054 5.952e+001 000055 2.646e+001 000056 3.307e+001 000057 5.952e+001 B-58

TROJAN FINAL SUR VEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093J Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool - East Half Size (m2 ): 314 Measurement Data Statistical Evaluation - Alpha Statistical Comparisons Statistical Quantities Calculated Acceptance Range: 86 Test Value Criteria Acceptable? Median: 46 Range 86 96 Pass Mean: 46 Median 0.031 0.500 Pass Std Dev: 19 Mean 46 28 See comment below Minimum: 13 Std Dev 19 28 Pass Maximum: 99 WRS 3762 3046 Pass DCGL: 28 Data set passes the WRS statistical test as Wr (3762) is greater than k (3046). Data Frequency Distribution 25% 00h 0 Is S3 4S 60 75 90 15% 120 UlS ISO 14 29 44 59 74 19 104 119 134 149 164 Measured Radioactivity (dpm/100 cm) Number of Observation Plot Parameters Interval High End Low End Observations Frequency

      # of measurements:                  57                 I              14         0               5            9%
             # of intervals:              11                 2              29        15               7          12%

Interval increment: 15 3 44 30 14 - 25% Minimum: 0 4 59 45 15 26% Maximum: 164 5 74 60 13 23% Comment: 6 89 75 2 4% Data set fails initial means statistical quantities 7 104 90 1 2% test, which then requires a means test with a 8 119 105 0 0% background reference area data set. Since the 9 134 120 0 0% Survey Unit mean minus Reference Area mean 10 149 135 0 0% is less than the DCGL, the survey unit data set 11 164 150 0 0% passes that means test, and its acceptability is deter mined Total: 57 100% by the WRS test. Since the data set passes the WR S statistical test, all measurement values are valid and accepted. B-59

TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093J Classification: Class I Survey Unit Name: FB 93' Elevation - Spent Fuel Pool - East Half Size (m2 ): 314 Back2round Reference Area B04045X - Alpha Statistical Quantities: Range  : 6.820e+001 Median :4.340e+001 Mean :4.376e+001 Std. Deviation:  : 1.661e+001

# of Measurements: 51                         Min Value: 6.200e+000          Max Value:      7.440e+001 Measurement                                                                        Data Status Location                                           Value                             Code 000001                                                3.720e+001                          B 000002                                                5.580e+001                          B 000003                                                5.580e+001.                         B 000004                                                3.100e+001                          B 000005                                                2.480e+001                          B 000006                                               *3.100e+001                          B 000007                                                6.200e+000                          B 000008                                                1.860e+001 -                        B 000009                                                5.580e+001                          B 000010                                                3.100e+001                          B 000011                                                7.440e+001                          B 000012                                                5.580e+001                          B 000013                                                6.200e+001                          B 000014                                                4.340e+001                          B 000015                                                4.340e+001                          B 000016                                                3.100e+001                          B 000017                                                3.100e+001                          B 000018                                                1.240e+001                          B 000019                                                6.820e+001                          B 000020                                                2.480e+001                          B 000021                                                6.820e+001                          B 000022                                                3.100e+001                          B 000023                                                3.720e+001                          B 000024                                                6.820e+001                          B 000025                                                6.200e+001                          B 000026                                                2.480e+001                          B 000027                                                5.580e+001                          B 000028                                                4.960e+001                          B 000029                                                1.860e+001                          B 000030                                                3.100e+001                          B 000031                                                6.820e+001                          B 000032                                                3.100e+001                          B 000033                                                3.720e+001                          B 000034                                                3.720e+001                          B 000035                                                3.720e+001                          B 000036                                                5.580e+001                          B B-60

TROJAN FINAL SUR VEYREPORT- SPENTFUEL POOL IPACTEDAREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093J Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool - East Half Size (m2 ): 314 Background Reference Area B04045X - Alpha (Continued) Statistical Quantities: Range  : 6.820e+001 Median  : 4.340e+001 Mean I  : 4.376e+001 Std. Deviation:  : 1.661e+001

1. of Measurements: 51 Min Value: 6.200e+000 Max Value: 7.440e+001 Measurement Data Status Location Value Code 000037 4.340e+001 B 000038 1.860e+001 B 000039 6.200e+001 B 000040 3.720e+001 B 000041 4.960e+001 B 000042 5. 580e+001 B 000043 4.960e+001 B 000044 6.820e+001 B 000045 3.720e+001 B 000046 4 .960e+001 B 000047 6.200e+001 B 000048 4.340e+001 B 000049 6.200e+001 B 000050 3.720e+001 B 000051 4.960e+001 B B-61

TROJAN FINAL SURVEY REPORT- SPENTFUELPOOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093J Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool - East Half Size (m2 ): 314 Judgmental and Miscellaneous Measurement Data Measurement Type: Surface Scanning Beta Scan Coverage (%): 100 Measurement Units: dpm/lOOcm 2 Investigation Level: 7,500 Minimum Value: 1,673 Maximum Value: 7,130 Measurement Type: Removable Beta Number of Measurements: 57 Measurement Units: dpm/1 00cm2 Investigation Level: 750 Minimum Value: 0 Maximum Value: 3 Measurement Type: Removable Alpha Number of Measurements: 57 Measurement Units: dpm/l 00cm 2 Investigation Level: MDC Minimum Value: 0 Maximum Value: 4 Discussion of Anomalous Measurement Data Investigation Summarv Reason for Investigation: Forty-six alpha static measurements exceeded the investigation level. Elevated Measurement Comparison (EMC): DCGL (Investigation Level): 28 Measurement Units: dpm/1 OOcm 2 Maximum Value: 159 Size of Area Exceeding DCGL (M2 ): 0.6 Size of Survey Unit (m2): 314 Survey Unit Area >DCGL (%): 0.2 EMC Value: 140 Action Taken: Remediated static measurement location 19 and resurveyed. Replaced original results in SDMS with post-remediation results. Applied EMC data processing to alpha static measurements that remain elevated. Basis for Action Taken: Static measurement locations that approached or exceeded EMC DCGL were remediated. Sum of small, localized areas of elevated alpha radioactivity identified during static surveys is less than 1 m2 and allowed the EMC DCGL of 5.0 x DCGL to be applied. B-62

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093J Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool - East Half Size (m 2 ): 314 Unity Rule Evaluation Survey Unit Values Vaiue / DCGL Ratios Ratio Bkg RefArea Values Location U Beta Alpha Beta Alpha Sum (Y) Beta Alpha** S93J01 1832 33 0.244 1.181 1.425 947 37 S93J02 1884 60 0.251 2.126 2.377 1062 56 S93J03 1736 20 0.231 0.709 0.940 985 56 S93J04 1774 86 0.237 3.071 3.307 959 31 S93J05 1555 33 0.207 1.181 1.388 955 25 S93J06 1755 26 0.234 0.945 1.179 897 31 S93J07 1845 40 0.246 1.417 1.663 947 6 S93J08 1749 33 0.233 1.181 1.414 886 19 S93J09 1684 46 0.225 1.654 1.878 1016 56 S93J10 1665 66 0.222 2.362 2.584 840 31 S93JI I 1768 46 0.236 1.654 1.889 782 74 S93J12 1755 53 0.234 1.890 2.124 970 56 S93J13 2058 40 0.274 1.417 1.692 951 62 S93J14 1652 73 0.220 2.598 2.818 982 43 S93J15 2020 40 0.269 1.417 1.686 828 43 S93J16 1962 60 0.262 2.126 2.387 859 31 S93J17 1916 46 0.255 1.654 1.909 916 31 S93J18 2020 79 0.269 2.835 3.104 767 12 S93J19 1786 13 0.238 OA64 0.702 962 68 S93J20 2123 40 0.283 1A17 1.700 859 25 S93J21 1955 40 0.261 1.417 1.678 947 68 S93J22 2458 60 0.328 2.126 2.453 863 31 S93J23 2194 26 0.293 0.945 1.238 890 37 S93J24 2349 53 0.313 1.890 2.203 855 68 S93J25 2929 60 0.391 2.126 2.516 828 62 S93126 1813 46 0.242 1.654 1.895 1039 25 S93J27 1884 73 0.251 2.598 2.849 993 56 S93J28 2458 40 0.328 1.417 1.745 863 50 S93J29 2245 46 0.299 1.654 1.953 878 19 S93J30 2278 73 0.304 2.598 2.902 1043 31 S93J31 1736 26 0.231 0.945 1.176 920 68 S93J32 1755 66 0.234 2.362 2.596 863 31 S93133 1736 40 0.231 1.417 1.649 905 37 S93134 1762 40 0.235 1.417 1.652 909 37 S93J35 1697 99 0.226 3.543 3.769 794 37 S93J36 1742 73 0.232 2.598 2.830 1024 56 S93J37 1813 46 0.242 1.654 1.895 1100 43 S93J38 1723 13 0.230 0.473 0.702 1104 19 S93J39 2045 40 0.273 1.417 1.690 1411 62 S93J40 1865 26 0.249 0.945 1.194 1288 37 S93341 1723 20 0.230 0.709 0.938 920 50 S93J42 2162 40 0.288 1.417 1.705 851 56 S93J43 2220 53 0.296 1.890 2.186 1062 50 S93344 2929 53 0.391 1.890 2.280 920 68 S93J45 2478 60 0.330 2.126 2.456 901 37 S93J46 1897 13 0.253 0.473 0.725 1062 50 S93J47 1929 46 0.257 1.654 1.911 932 62 S93J48 1878 53 0.250 1.890 2.140 997 43 S93349 1749 46 0.233 1.654 1.887 886 62 B-63

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093J Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool - East Half Size (m2 ): 314 Unitv Rule Evaluation (Continued) S93J50 1897 46 0.253 1.654 1.907 893 37 S93J51 1936 13 0.258 0.473 0.731 905 50 S93J52 1620 53 0.216 1.890 2.106 S93J53 1936 13 0.258 0.473 0.731 S93J54 1929 60 0.257 2.126 2.383 S93J55 1768 26 0.236 0.945 1.181 S93J56 2000 33 0.267 1.181 1.448 S93J57 1845 60 0.246 2.126 2.372 mean: 1.892 maximum: 3.769

• Values from B04045X01, which are first 51 values from background reference data set B04045Y01.
• *Values from B04045X02, which are first 51 values from background reference data set B04045Y02.

Note: Highlighted background values to track for Wr Beta DCGL = 7,500 Alpha DCGL = 28 Unity "DCGL" 1 Since Y mean > Unity DCGL (1.9 > 1.0), go to means test. Means test DM = (YMax - BMin) = (3.769 - 0.348) - 3.421 > Unity DCGL DA (YMean - BMean) = (1.892 - 1.689) 0.2 < Unity DCGL Passesmeans test Since DM >DCGL & DA < DCGL, go to WRS test for unity rule evaluation. WRS Test: k = MARSSIM equation 1.1 k - m(n + m +I)/2 +z(P)tn where: m = number of Z 51 n = number of Y 57 P= nrn(n+m+l)/12 = 26,405 z= 1.645, for 0.05 Type I error k -51(57+51+1)/2 + 1. 6 45 (2 6 ,4 0 5)"2 k = 2780 + 1.645(162) = 3047 Wr = 3688 (see Z Rank sum)

== Conclusion:==

Since Wr > k (3688 > 3047), survey unit passes the unity rule, and, therefore, meets the release criteria. B-64

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093J Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool - East Half Size (i 2 ): 314 Unitv Rule Evaluation (Continued) Value / DCGL Ratios Ratio Sum + I B-65

TROJANFINAL SUR VEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093J Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool - East Half Size (M2 ): 314 Unitv Rule Evaluation (Continued) 0.119 1329 I .448 g;tr,- 0.121 1.771 1.892*FX:L42.89?> mean: 1.689 minimum: 0.348 2.818 79.0 2.830 80.0 2.849 81.0 B2'6 X<;it

                                                         .l9S~>¢,:,83.0~

2.902 85.0 3.104 88.0 B-66

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093J Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool - East Half Size (m2 ): 314 Unitv Rule Evaluation (Continued) B-67

(C TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093J Classification: Class I Survey Unit Name: FB 93' Elevation - Spent Fuel Pool - East Half Size (m2 ): 314 Static Measurement Locations Map B-68

( CTTROJAN FINAL SURVEY REPORT- SPENT FUEL POOL IMPACTFI) A RARA C FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093J Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool - East Half Size (m2 ): 314 Static Measurement Locations Map LOOKING NORTH LOOKING SOUTH NMTH WALL sOnUT VwL , SCALE I ~ OV ERS1 4 5 TROJAN FINAL SURVEY rn-TIDES _ P." M AP mm] S34 U32 REVSIOP4 IA]. -I ItmDa"C-4 -- o- -,y ,?z ~ A 5 4 PREPAREBY I R C PAYMONDI REVISIOIDATE _ IDWO REFER~ES _ O-4B5-44 A-7S CHaEDKEBY  ; SitED 1Im~4tam * ~ ~ l -. Z b AREA/COPIPINET SPENT FUEL POOL. I ESCWITIOA E1XYATRDAVIE'4 B-69

c C TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL IMPACTED AREAS C FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093J Classification: Class I Survey Unit Name: FB 93' Elevation - Spent Fuel Pool - East Half Size (M2 ): 314 Static Measurement Locations Map LOOKN EAST LOOKING WEST S I Z 3 4 5 EASTVMJ. WESTVAtL SCALEI(MEERS) gvy j? PEWCAO MAMP 02 YT TROJAN FINAL SURVEY MAP NM [U4taJS REVISION N. I T-1C1A I" T M S.'t 1?_o "~ j~_A c~_ ,~ PREBPAED BY liM C RAYtOC REMISCDATEl 9- 4 _ _____ 14 -5a2 rli II6; CHECKED BY I STEN _ DO REFERENCE A-? _ I AREA/COMENT I SOlVTFUEL POO A. . .,, _z ., X __ I DESCRItION4 H-VTTOW VIEW

1. -

B-70

TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093Q Classification: Class 1 Survey Unit Name: FB 93' Elevation - LaydoNvn Area- West Half Size (m2 ): 121 Data Ouality Values - Beta Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS 1 30 DPM/100 CM2 7.500e+003 Statistical Quantities Measurement Name: Minimum Value 1.502e+003 Maximum Value 2.506e+003 Range 1.004e+003 Median 1.879e+003 Std. Deviation 2.047e+002 Mean 1.857e+003 95% UCL 1.921e+003 Measurement Values Location Value Location Value 000001 1.502e+003 000018 1.692e+003 000002 1.646e+003 000019 1.948e+003 000003 1. 843e+003 000020 1.974e+003 000004 1.863e+003 000021 1. 915e+003 000005 1.889e+003 000022 1.869e+003 000006 1.830e+003 000023 1.987e+003 000007 1.941e+003 000024 2.506e+003 000008 1.948e+003 000025 1.607e+003 000009 1.974e+003 000026 1.653e+003 000010 1.751e+003 000027 1.620e+003 000011 2. 105e+003 000028 1.535e+003 000012 1.948e+003 000029 1.718e+003 000013 1.902e+003 000030 1.607e+003 000014 2.086e+003 000015 1.981e+003 000016 2.020e+003 000017 1.863e+003 B-71

TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093Q Classification: Class 1 Survey Unit Name: FB 93' Elevation - Laydown Area - West Half Size (m2): 121 Measurement Data Statistical Evaluation - Beta Statistical Comparisons Statistical Quantities Calculated Acceptance Range: 1,004 Test Value Criteria Acceptable? Median: 1,879 Range 1,004 1,024 Pass Mean: 1,857 Median 0.105 0.500 Pass Std Dev: 205 Mean 1,857 6,000 Pass Minimum: 1,502 Std Dev 205 1,500 Pass Maximum: 2,506 All values are <DCGL, WRS statistical test not required for data set. DCGL: 7,500 Data Frequency Distribution 100X/. w 70SD% _ _ _ _ _ a-L. 60% - t 50%/ 40% L. 0 M10% . -1 0 500 1,000 1.500 2.000 2,500 3,000 3,500 4,000 4,500 5,000 4" 999 1.4" 1.999 2.499 2.999 3.499 3.999 4,499 4,999 5,499 Measured Radioactivity (dpmI100 cm2) Number of Observation Plot Parameters Interval High End Low End Observations Frequency

     # of measurements:                  30                     1             499            0                 0           0%
             # of intervals:              11                    2             999          500                 0           0%

Interval increment: 500 3 1,499 1,000 0 0% Minimum: 0 4 1,999 1,500 26 87% Maximum: 5,499 5 2,499 2,000 3 10% 6 2,999 2,500 1 3% Comment: 7 3,499 3,000 0 0% None. 8 3,999 3,500 0 0% 9 4,499 4,000 0 0% 10 4,999 4,500 0 0% 11 5,499 5,000 0 0% Total: 30 100% B-72

TROJAN FINAL SUR VEY REPORT- SPENTFUELPOOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093Q Classification: Class 1 Survey Unit Name: FB 93' Elevation - Laydown Area - West Half Size (in 2 ): 121 Background Reference Area B02027B - Beta Statistical Quantities: Range  : 2.952e+002 Median  : 9.316e+002 Mean  : 9.189e+002 Std. Deviation:  : 7.670e+001

1. of Measurements: 30 Min Value: 7.668e+002 Max Value: 1.062e+003 Measurement Data Status Location Value Code 000001 9.470e+002 B 000002 1.062e+003 B 000003 9.854e+002 B 000004 9.585e+002 B 000005 9.547e+002 B 000006 8.972e+002 B 000007 9.470e+002 B 000008 8.857e+002 B 000009 1.016e+003 B 000010 8.397e+002 B 000011 7.821e+002 B 000012 9.700e+002 B 000013 9.508e+002 B 000014 9.815e+002 B 000015 8.282e+002 B 000016 8.588e+002 B 000017 9.163e+002 B 000018 7.668e+002 B 000019 9.623e+002 B 000020 8.588e+002 B 000021 9.470e+002 B 000022 8.627e+002 B 000023 8.895e+002 B 000024 8.550e+002 B 000025 8.282e+002 B 000026 1.039e+003 B 000027 9.930e+002 B 000028 8.627e+002 B 000029 8.780e+002 B 000030 1.043e+003 B B-73

TROJAN FINAL SURVEYREPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093Q Classification: Class 1 Survey Unit Name: FB 93' Elevation - Laydown Area - West Half Size (m2 ): 121 Data Ouality Values - Alpha Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement TYpe Code Meas. Unit DCGL SGN WRS 2 30 DPM/100 CM2 2.800e+001 1.259e+003 Statistical Quantities Measurement Name: Minimum Value 0.OOOe+000 Maximum Value 6.200e+001 Range 6.200e+001 Median 3. 100e+001 Std. Deviation 1. 642e+001 Mean 3. 183e+001 95% UCL 3. 691e+001 Measurement Values Location Value Location Value 000001 0.OOOe+000 000018 3.100e+001 000002 6.200e+000 000019 1.24 Oe+00. 000003 1. 240e+001 000020 2.480e+001 000004 3. 100e+001 000021 4. 960e+001 000005 1.860e+001 000022 3.lOOe+001 000006 3. 100e+001 000023 4.960e+001 000007 1.860e+001 000024 6.200e+000 000008 2 .480e+001 000025 4.340e+001 000009 3. 100e+001 000026 1.860e+001 000010 3.720e+001 000027 4. 960e+001 000011 1. 860e+001 000028 3.100e+001 000012 4. 960e+001 000029 3. 100e+001 000013 4 . 960e+001 000030 3. 100e+001 000014 5.580e+001 000015 4. 340e+001 000016 6.200e+001 000017 5.580e+001 B-74

TROJAN FINAL SURVEYREPORT-SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093Q. Classification: Class 1 Survey Unit Name: FB 93' Elevation - Laydown Area - West Half Size (m2 ): 121 Measurement Data Statistical Evaluation - Alpha Statistical Comparisons Statistical Quantities Calculated Acceptance Range: 62 Test Value Criteria Acceptable? Median: 31 Range 62 82 Pass Mean: 32 Median 0.050 0.500 Pass Std Dev: 16 Mean 32 28 See comment below Minimum: 0 Std Dev 16 28 Pass Maximum: 62 WRS 1259 1026 Pass DCGL: 28 Data set passes the WRS statistical test as Wr (1259) is greater than k (1026). Data Frenuency Distribution 40%. U t. L. 1-" z.0 14 0 0 is 30 45 60 75 90 205 120 1fi ISO 14 29 44 59 74 S9 104 119 134 149 164 Measured Radioactivity (dpm/100 cm2 ) Number of Observation Plot Parameters Interval High End Low End Observations Frequency

         # of measurements:                  30                 1               14         0                5         17%
                # of intervals:              11                2               29         15                6         20%

Interval increment: 15 3 44 30 11 37% Minimum: 0 4 59 45 7 23% Maximum: 164 5 74 60 1 3% Comment: 6 89 75 0 0% Data set fails initial means statistical quantities 7 104 90 0 0% test, which then requires a means test with a 8 119 105 0 0% background reference area data set. Since the 9 134 120 0 0% Survey Unit mean minus Reference Area mean 10 149 135 0 0% is less than the DCGL, the survey unit data set 11 164 150 0 0% passes that means test, and its acceptability is determined Total: 30 100% by the WRS test. Since the data set passes the WRS statistical test, all measurement values are valid and accepted. 13-75

TROJAN FINAL SURVEY REPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093Q Classification: Class 1 Survey Unit Name: FB 93' Elevation - Laydown Area - West Half Size (m2 ): 121 Backeround Reference Area B02027B - Alpha Statistical Quantities: Range  : 8.895e+001 Median  : 2.737e+001 Mean  : 3.421e+001 Std. Deviation:  : 2.017e+001

1. of Measurements: 30 Min Value: 6.842e+000 Max Value: 9.579e+001 Measurement Data Status Location Value Code 000001 2.737e+001 B 000002 2.053e+001 B 000003 5.473e+001 B 000004 6.842e+001 B 000005 9.579e+001 B 000006 4.105e+001 B 000007 6.842e+000 B 000008 4.105e+001 B 000009 2.053e+001 B 000010 4.105e+001 B 000011 1.368e+001 B 000012 2.737e+001 B 000013 5.473e+001 B 000014 6.842e+000 B 000015 2.737e+001 B 000016 4.105e+001 B 000017 3.421e+001 B 000018 4.105e+001 B 000019 2.737e+001 B 000020 2.737e+001 B 000021 2.737e+001 B 000022 1.368e+001 B 000023 3.421e+001 B 000024 2.053e+001 B 000025 5.473e+001 B 000026 2.737e+001 B 000027 6.842e+001 B 000028 2.053e+001 B 000029 3.421e+001 B 000030 6.842e+000 B B-76

TROJAN FINAL SURVEY REPORT- SPENTFUELPOOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093Q Classification: Class 1 Survey Unit Name: FB 93' Elevation - Laydown Area - West Half Size (m2 ): 121 Judgmental and Miscellaneous Measurement Data Measurement Type: Surface Scanning Beta Scan Coverage (%): 100 Measurement Units: dpm/lOOcm 2 Investigation Level: 7,500 Minimum Value: 1,128 Maximum Value: 12,340 Measurement Type: Removable Beta Number of Measurements: 30 Measurement Units: dpm/100cm 2 Investigation Level: 750 Minimum Value: 0 Maximum Value: 14 Measurement Type: Removable Alpha Number of Measurements: 30 Measurement Units: dpm/lOOcm 2 Investigation Level: MDC Minimum Value: 0 Maximum Value: 1 Discussion of Anomalous Measurement Data Investi2ation #1 Summary Reason for Investigation: Ten beta scan measurements exceeded the investigation level. Elevated Measurement Comparison (EMC): DCGL (Investigation Level): 7,500 Measurement Units: dpm/l 00cm2 Maximum Value: 22,540 Size of Area Exceeding DCGL (m 2 ): 0.06 Size of Survey Unit (m2 ): 121 Survey Unit Area >DCGL (%): 0.05 EMC Value: 37,500 Action Taken: Corrected measurement values for scan locations per guidance in memo FS-018-03. Deleted scan results for scan locations to be remediated. Replaced original scan results in SDMS with the corrected results for the others. Rescanned remediated areas. Applied EMC data processing to corrected results for scan locations that remain elevated. Basis for Action Taken: Technical basis memorandum FS-018-03 provides guidance for correcting SDMS determined scan results for locations that exceed the investigation level by subtracting instrument background from the field results. B-77

TROJAN FINAL SURVEY REPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093Q Classification: Class 1 Survey Unit Name: FB 93' Elevation - Laydown Area - West Half Size (M 2 ): 121 Discussion of Anomalous Measurement Data (Continued) Investigation #2 Summary Reason for Investigation: Nineteen alpha static measurements exceeded the investigation level. Elevated Measurement Comparison (EMC): DCGL (Investigation Level): 28 Measurement Units: dpm/lOOcm 2 Maximum Value: 62 Size of Area Exceeding DCGL (m2): 0.25 Size of Survey Unit (m2): 121 Survey Unit Area >DCGL (%): 0.2 EMC Value: 140 Action Taken: Applied EMC data processing to elevated alpha static measurement results. Basis for Action Taken: Sum of small, localized areas of elevated alpha radioactivity identified during static surveys is less than 1 m2 and allowed the EMC DCGL of 5.0 x DCGL to be applied. B-78

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093Q Classification: Class l Survey Unit Name: FB 93' Elevation - Laydown Area - West Half Size (m2 ): 121 Unitv Rule Evaluation Survey Unit Values Value / DCGL Ratios Ratio Bkg Ref Area Values Location N Beta Alpha Beta Alpha Sum (Y) Beta* Alpha** S93QOI 1,502 0 0.200 0.000 0.200 947 27 S93QO2 1,646 6 0.219 0.221 0.441 1,062 21 S93Q03 1,843 12 0.246 0.443 0.689 985 55 S93)Q04 1,863 31 0.248 1.107 1.356 959 68 S93Q05 1,889 19 0.252 0.664 0.916 955 96 S93Q06 1,830 31 0.244 1.107 1.351 897 41 S93Q07 1,941 19 0.259 0.664 0.923 947 7 S93Q08 1,948 25 0.260 0.886 1.145 886 41 S93Q09 1,974 31 0.263 1.107 1.370 1,016 21 S93Q10 1,751 37 0.233 1.329 1.562 840 41 S93Qll 2,105 19 0.281 0.664 0.945 782 14 S93Q12 1,948 50 0.260 1.771 2.031 970 27 S93Q13 1,902 50 0.254 1.771 2.025 951 55 S93Q14 2,086 56 0.278 1.993 2.271 982 7 S93Q15 1,981 43 0.264 1.550 1.814 828 27 S93Q16 2,020 62 0.269 2.214 2.484 859 41 S93Q17 1,863 56 0.248 1.993 2.241 916 34 S93Q18 1,692 31 0.226 1.107 1.333 767 41 S93Q19 1,948 12 0.260 0.443 0.703 962 27 S93Q20 1,974 25 0.263 0.886 1.149 859 27 S93Q21 1,915 50 0.255 1.771 2.027 947 27 S93Q22 1,869 31 0.249 1.107 1.356 863 14 S93Q23 1,987 50 0.265 1.771 2.036 890 34 S93Q24 2,506 6 0.334 0.221 0.556 855 21 S93Q25 1,607 43 0.214 1.550 1.764 828 55 S93Q26 1,653 19 0.220 0.664 0.885 1,039 27 S93Q27 1,620 50 0.216 1.771 1.987 993 68 S93Q28 1,535 31 0.205 1.107 1.312 863 21 S93Q29 1,718 31 0.229 1.107 1.336 878 34 S93Q30 1,607 31 0.214 1.107 1.321 1.043 77 mean: 1.384 maximum: 2.484

    *Values from B02027B which are measurement values 1- 30 from background reference data set B04045Y01.
    **Values from background reference area survey unit B02027B.

Note: Highlighted background values to track for Wr Since Y mean > Unity DCGL (1.384 > 1.0), go to means test. Means test: DM (YMax - BMin) - (2.484 - 0.376) 2.108 > Unity DCGL DA (YMean - BMean) - (1.384 - 1.344) = 0.04 < Unity DCGL Passesmeans test Since DM >DCGL &DA < DCGL, go to WRS test for unity rule evaluation (see last page). B-79

TROJAN FINAL SUR VEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093Q Classification: Class 1 Survey Unit Name: FB 93' Elevation - Laydown Area - West Half Size (M2 ): 121 Unitv Rule Evaluation (Continued) Value / DCGL Ratios Ratio Sum + I 1256.0 ank Sum Wr B-80

TROJAN FINAL SURVEY REPORT-SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093Q Classification: Class 1 Survey Unit Name: FB 93' Elevation - Laydown Area - West Half Size (m2 ): 121 Unitv Rule Evaluation (Continued) WRS Test: k= MARSSIM equation 1I k = m(n + mn + 1)12 +z(P)I where: n = 30 m=30 P= nm(n+m+1)/12 = 4,575 z = 1.645, for 0.05 Type I error k = 30(30+30+1)/2 + 1.645(4575)2 k = 915 + 1.645(67.6) = 1026

Conclusion:

Since Wr> k (1256 > 1026), survey unit passes the unity rule, and, therefore, meets the release criteria. B-81

C C, TROJAN FINAL SUR VEY REPORT- SPENT FUEL POOL IMPACTED AREAS Cl FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093Q Classification: Class I Survey Unit Name: FB 93' Elevation - Laydown Area - West Half Size (m2): 121 Static Measurement Locations Man 4 l. of i

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TROJAN FINAL SURVEY REPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093R Classification: Class I Survey Unit Name: FB 93' Elevation - Laydown Area - East Half Size (m2 ): 158 Data Oualitv Values - Beta Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS 1 30 DPM/100 CM2 7.500e+003 Statistical Quantities Measurement Name: Minimum Value 1.090e+003 Maximum Value 5.704e+003 Range 4. 614e+003 Median 1.842e+003 Std. Deviation 8.239e+002 Mean 1.916e+003 95% UCL 2.171e+003 Measurement Values Location Value Location Value 000001 1.729e+003 000018 1.510e+003 000002 1.884e+003 000019 1. 090e+003 000003 1.955e+003 000020 1. 651e+003 000004 1.839e+003 000021 1.632e+003 000005 1. 910e+003 000022 1.103e+003 000006 2.045e+003 000023 1.484e+003 000007 1.845e+003 000024 1.245e+003 000008 2.020e+003 000025 1.297e+003 000009 2. 071e+003 000026 1.265e+003 0000010 2.620e+003 000027 1.194e+003 000011 2.381e+003 000028 1. 516e+003 000012 2.245e+003 000029 1.703e+003 000013 5.704e+003 000030 2.549e+003 000014 2. 149e+003 000015 2.168e+003 000016 2.007e+003 000017 1. 671e+003 B-83

TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093R Classification: Class 1 Survey Unit Name: FB 93' Elevation - Laydown Area - East Half Size (m2 ): 158 Measurement Data Statistical Evaluation - Beta Statistical Comparisons Statistical Quantities Calculated Acceptance Range: 4,614 Test Value Criteria Acceptable? Median: 1,842 Range 4,614 4,119 See comment below Mean: 1,916 Median 0.090 0.500 Pass Std Dev: 824 Mean 1,916 6,000 Pass Minimum: 1,090 Std Dev 824 1,500 Pass Maximum: 5,704 All values are <DCGL, WRS statistical test not required for data set. DCGL: 7,500 Data Freauency Distribution 45% I:.r-a 0r

           .0 0

1,000 1.500 2,000 2.500 3.000 3.500 4,000 4.500 5.000 5,500 6,000 1.499 1.999 2499 2.999 3.4" 3.99 4,49 4,99 5.499 5.39 6,499 Measured Radioactivity (dpmlOO cm") Number of Observation Plot Parameters Interval High End Low End Observations Frequency

     # of measurements:                      30                   1        1,499        1,000                 7         23%
               # of intervals:               11                   2         1,999       1,500                12         40%

Interval increment: 500 3 2,499 2,000 8 - 27% Minimum: 1,000 4 2,999 2,500 2 7% Maximum: 6,499 5 3,499 3,000 0 0% 6 3,999 3,500 0 0% Comment: 7 4,499 4,000 0 0% Range failure is a test artifact due to a single 8 4,999 4,500 0 0% measurement value of 5,700 dpm, with the other 9 5,499 5,000 0 0% 29 values less than 3,000 dpm, resulting in a 10 5,999 5,500 1 3% range that exceeds the test criterion of 11 6,499 6,000 0 0% of 5(Std.Dev.). All values are valid and accepted. Total: 30 100% B-84

TROJAN FINAL SURVEYREPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093R Classification: Class 1 Survey Unit Name: FB 93' Elevation - Laydown Area - East Half Size (m2 ): 158 Background Reference Area B02027B - Beta Statistical Quantities: Range  : 2.952e+002 Median  : 9.316e+002 Mean  : 9.189e+002 Std. Deviation:  : 7.670e+001

1. of Measurements: 30 Min Value: 7.668e+002 Max Value: 1.062e+003 Measurement Data Status Location Value . Code 000001 9.470e+002 000002 1.062e+003 000003 9.854e+002 000004 9.585e+002 000005 9.547e+002 000006 8.972e+002 000007 9.470e+002 000008 8.857e+002 000009 1.016e+003 000010 8.397e+002 000011 7.821e+002 000012 9.700e+002 000013 9.508e+002 000014 9.815e+002 000015 8.282e+002 000016 8. 588e+002 000017 9.163e+002 000018 7.668e+002 000019 9.623e+002 000020 8.588e+002 000021 9.470e+002 000022 8.627e+002 000023 8.895e+002 000024 8.550e+002 000025 8.282e+002 000026 1.039e+003 000027 9.930e+002 000028 8.627e+002 000029 8.780e+002 000030 1.043e+003 B-85

TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093R Classification: Class 1 Survey Unit Name: FB 93' Elevation - Laydown Area - East Half Size (m 2): 158 Data Oualitv Values - A1pha Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS 2 30 DPM/100 CM2 2.800e+001 1. 118e+003 Statistical Quantities Measurement Name: Minimum Value 1.323e+001 Maximum Value 8. 598e+001 Range 7.275e+001 Median 5.291e+001 Std. Deviation : 1.891e+001 Mean 4. 608e+001 95% UCL 5.193e+001 Measurement Values Location Value Location Value 000001 7.275e+001 000018 5.291e+001 000002 5.291e+001 000019 3. 307e+001 000003 5.291e+001 000020 2.646e+001 000004 3. 968e+001 000021 5. 952e+001 000005 5. 291e+001 000022 4. 630e+001 000006 1. 323e+001 000023 1.984e+001 000007 5.291e+001 000024 3.968e+001 0000008 4.630e+001 000025 2. 646e+001 000009 5.291e+001 000026 1.984e+001 000010 2. 646e+001 000027 1. 984e+001 000011 5.952e+001 000028 1.984e+001 000012 7 .937e+001 000029 7.275e+001 000013 5.952e+001 000030 8. 598e+001 000014 5.291e+001 000015 5.291e+001 000016 5.291e+001 000017 3.968e+001 B-86

TROJANFINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093R Classification: Class 1 Survey Unit Name: FB 93' Elevation -Laydown Area-East Half Size (m2 ): 158 Measurement Data Statistical Evaluation - Alpha Statistical Comparisons Statistical Quantities Calculated Acceptance Range: 73 Test Value Criteria Acceptable? Median: 53 Range 73 95 Pass Mean: 46 Median 0.359 0.500 Pass Std Dev: 19 Mean 46 28 See comment below Minimum: 13 Std Dev 19 28 Pass Maximum: 86 WRS 1118 1026 Pass DCGL: 28 Data set passes the WRS statistical test as Wr (1118) is greater than k (1026). Danta Freiuenrv Distrihutinn 40'/.4 30% C.1 c C 25% ie W 21M. r-20% .

          .0 0

50% ' -?- 0 is 30 45 60 75 90 105 120 135 150 14 29 44 59 74 9 104 119 134 149 164 Measured Radioactivity (dpmolOO cm 2) Number of Observation Plot Parameters Interval High End Low End Observations Frequency

     # of measurements:                     30                        1                  14         0                1           3%
            # of intervals:                 11                       2                   29        15                7         23%

Interval increment: 15 3 44 30 4 13% Minimum: 0 4 59 45 11 37%/ Maximum: 164 5 74 60 5 17% Comment: 6 89 75 2 7% Data set fails initial means statistical quantities 7 104 90 0 0% test, which then requires a means test with a 8' 119 105 0 0% background reference area data set. Since the 9 134 120 0 0% Survey Unit mean minus Reference Area mean 10 149 135 0 0% is less than the DCGL, the survey unit data set I1 164 150 0 0% passes that means test, and its acceptability is determined Total: 30 100% by the WRS test. Since the data set passes the WRS statistical test, all measurement values are valid and accepted. B-87

TROJANFINAL SURVEYREPORT- SPENTFUELPOOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093R Classification: Class 1 Survey Unit Name: FB 93' Elevation - Laydown Area - East Half Size (m 2 ): 158 Background Reference Area B02027B - Alpha Statistical Quantities: Range  : 8.895e+001 Median  : 2.737e+001 Mean :3.421e+001 Std. Deviation:  : 2.017e+001

1. of Measurements: 30 Min Value: 6.842e+000 Max Value: 9.579e+001 Measurement Data Status Location Value Code 000001 _____________________________________________________________

2 000001 2.737e+001 B 000002 2.053e+001 B 000003 5.473e+001 B 000004 6.842e+001 B 000005 9.579e+001 B 000006 4.105e+001 B 000007 6.842e+000 B 000008 4.105e+001 B 000009 2.053e+001 B 000010 4.105e+001 B 000011 1.368e+001 B 000012 2.737e+001 B 000013 5.473e+001 B 000014 6.842e+000 B 000015 2.737e+001 B 000016 4.105e+001 B 000017 3.421e+001 B 000018 4.105e+001 B 000019 2.737e+001 B 000020 2.737e+001 B 000021 2.737e+001 B 000022 1.368e+001 B 000023 3.421e+001 B 000024 2.053e+001 B 000025 5.473e+001 B 000026 2.737e+001 B. 000027 6.842e+001 B 000028 2.053e+001 B 000029 3.421e+001 B 000030 6.842e+000 B B-88

TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093R Classification: Class 1 Survey Unit Name: FB 93' Elevation - Laydown Area - East Half Size (m2 ): 158 Jud2mental and Miscellaneous Measurement Data Measurement Type: Surface Scanning Beta Scan Coverage (%): 100 Measurement Units: dpm/lOOcm 2 Investigation Level: 7,500 Minimum Value: 919 Maximum Value: 6,402 Measurement Type: Removable Beta Number of Measurements: 30 Measurement Units: dpm/l 00cm 2 Investigation Level: 750 Minimum Value: 0 Maximum Value: 15 Measurement Type: Removable Alpha Number of Measurements: 30 Measurement Units: dpm/100cm2 Investigation Level: MDC Minimum Value: 0 Maximum Value: 5 Discussion of Anomalous Measurement Data Investigation #1 Summary Reason for Investigation: Nine beta scan measurements exceeded the investigation level. Elevated Measurement Comparison (EMQ: DCGL (Investigation Level): 7,500 Measurement Units: dpm/100cm 2 Maximum Value: 42,450 Size of Area Exceeding DCGL (M2 ): 0.18 Size of Survey Unit (m2): 158 Survey Unit Area >DCGL (%): 0.12 EMC Value: 37,500 Action Taken: Corrected measurement values for scan locations per guidance in memo FS-018-03. Deleted scan results for scan locations to be remediated. Replaced original scan results in SDMS with the corrected results for the others. Rescanned remediated areas. Applied EMC data processing to corrected results for scan locations that remain elevated. Basis for Action Taken: Technical basis memorandum FS-01 8-03 provides guidance for correcting SDMS determined scan results for locations that exceed the investigation level by subtracting instrument background from the field results. B-89

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093R Classification: Class 1 Survey Unit Name: FB 93' Elevation - Laydown Area - East Half Size (m2 ): 158 Discussion of Anomalous Measurement Data (Continued) Investigation #2 Summary Reason for Investigation: Twenty-three alpha static measurements exceeded investigation level. Elevated Measurement Comparison (EMC): DCGL (Investigation Level): 28 Measurement Units: dpm/l 00cm2 Maximum Value: 172 Size of Area Exceeding DCGL (m2 ): 0.3 Size of Survey Unit (m2): 158 Survey Unit Area >DCGL (%): 0.2 EMC Value: 140 Action Taken: Remediated static measurement locations 17, 18, 20, & 21 and resurveyed. Replaced original results in SDMS with post-remediation results. Applied EMC data processing to alpha static measurements that remain elevated. Basis for Action Taken: Static measurement locations that approached or exceeded EMC DCGL were remediated. Sum of small, localized areas of elevated alpha radioactivity identified during static surveys is less than I m2 and allowed the EMC DCGL of 5.0 x DCGL to be applied. B-90

TROJAN FINAL SUR VEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093R Classification: Class 1 Survey Unit Name: FB 93' Elevation - Laydown Area - East Half Size (m2 ): 158 Unity Rule Evaluation Survey Unit Values Value / DCGL Ratios Ratio Bkg Ref Area Values Location Beta Alpha Beta Alpha -Sum (Y) Beta* Alpha** S93R01 1,729 73 0.231 2.607 2.838 947 27 S93R02 1,884 53 0.251 1.893 2.144 1,062 21 S93R03 1,955 53 0.261 1.893 2.154 985 55 S93R04 1,839 40 0.245 1.429 1.674 959 68 S93R05 1,910 53 0.255 1.893 2.148 955 96 S93R06 2,045 13 0.273 0.464 0.737 897 41 S93R07 1,845 53 0.246 1.893 2.139 947 7 S93R08 2,020 46 0.269 1.643 1.912 886 41 S93R09 2,071 53 0.276 1.893 2.169 1,016 21 S93R10 2,620 26 0.349 0.929 1.278 840 41 S93RII 2,381 60 0.317 2.143 2.460 782 14 S93R12 2,245 80 0.299 2.857 3.156 970 27 S93R13 5,704 60 0.761 2.143 2.903 951 55 S93R14 2,149 53 0.287 1.893 2.179 982 7 S93R15 2,168 53 0.289 1.893 2.182 828 27 S93R16 2,007 .53 0.268 1.893 2.160 859 41 S93R17 1,671 40 0.223 1.429 1.651 916 34 S93R18 1,510 53 0.201 1.893 2.094 767 41 S93R19 1,090 33 0.145 1.179 1.324 962 27 S93R20 1,651 26 0.220 0.929 1.149 859 27 S93R21 1,632 60 0.218 2.143 2.360 947 27 S93R22 1,103 46 0.147 1.643 1.790 863 14 S93R23 1,484 20 0.198 0.714 0.912 890 34 S93R24 1,245 40 0.166 1.429 1.595 855 21 S93R25 1,297 26 0.173 0.929 1.102 828 55 S93R26 1,265 20 0.169 0.714 0.883 1,039 27 S93R27 1,194 20 0.159 0.714 0.873 993 68 S93R28 1,516 20 0.202 0.714 0.916 863 21 S93R29 1,703 73 0.227 2.607 2.834 878 34 S93R30 2.549 86 0.340 3.071 3.411 1.043 7 mean: 1.904 maximum: 3.411

   *Values from B02027B which are measurement values 1-30 from background reference data set B04045Y01.
   *"Values from background reference area survey unit B02027B.

Note: Highlighted background values to track for Wr Since Y mean > Unity DCGL (1.904 >11.0), go to means test. Means test DM = (YMax - BMin) - (3.411 - 0.376) - 3.035 > Unity DCGL DA = (YMean - BMean) = (1.904- 1.344) = 0.56 < Unity DCGL Passesmeans test Since DM >DCGL & DA < DCGL, go to WRS test for unity rule evaluation (see last page). B-91

TROJAN FINAL SUR VEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093R Classification: Class 1 Survey Unit Name: FB 93' Elevation - Laydown Area - East Half Size (m2 ): 158 Unitv Rule Evaluation (Continued) Value t DCGL Ratios Ratio Sum + I 0.142 0.750 0.873 0.131 1.964 0.883 0.128 2.429 0.912 0.127 3.429 0.916 0.120 1.464 1.102 0.126 0.250 1.149 0.118 1.464 1.278 8.0 0.135 0.750 1324 9.0 0.112 1.464 0.104 0.500 0.129 0.964 0.127 1.964 2.091 0.131 0.250 0.381 0.110 0.964 0.115 1.464 0.122 1.214 0.102 1.464 0.128 0.964 1.093 0.115 0.964 0.126 0.964 0.115 0.500 0.119 1.214 1.333 0.114 0.750 0.110 1.964 0.139 0.964 1.103 0.132 2.429 2.561 0.115 0.750 0.117 1.214 2.094 29.5 'g-Z 6.O mean: 1J44  :^-1;1,  ;,13.0, 1031 .5 mInimum: 0.376 2.139 32.0 Z RankSum Wr 2.144 33.0 2.148 34.0 2.154 35.0 2.160 36.0 2.169 37.0 2.179 38.0 2.182 39.0 ii.331 ,4-~.1.40.0 23331~4L0

                                                     .. 2.336 ;,i     42.0 2.360      43.0 2.460      44.0
                                                       ,-.vI2-5s84    44.0; B-92

TROJAN FINAL SUR VEYREPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093R Classification: Class I Survey Unit Name: FB 93' Elevation - Laydown Area - East Half Size (m 2 ): 158 Unity Rule Evaluation (Continued) WRS Test: k = MARSSIM equation 1.1 k = m(n + m +1)/2 +z(P)11 where: n 30 m=30 P- nm(n+m+l)/12 - 4,575 z = 1.645, for 0.05 Type I error

. k = 30(30+30+1)/2 + 1.645(4575)1' k=915+ 1.645(67.6) = 1026

Conclusion:

Since Wr > k (1031 > 1026), survey unit passes the unity rule, and, therefore, meets the release criteria. B-93

C> C IC) TROJAN FINAL SURVEY REPORT-SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093R Classification: Class 1 Survey Unit Name: FB 93' Elevation - Laydown Area - East Half Size (m2 ): 158 Static Measurement Locations Man

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C C TROJAN FINAL SUR VEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093R Classification: Class 1 Survey Unit Name: FB 93' Elevation - Laydown Area - East Half . Size (m2 ): 158 Static Measurement Locations Map LOOKNCG EAST LOOCM NORTH AT .INDC A AT WV D10

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        ""T PE D nit w 41n nF4.9                 ' ,                               *TROJAN                              FINAL SURVEY t___ _                                am      We                          O                      MM3       14.I¶     I REVlSION"D. w
                                 -,C,                     cooi                                      PREPAREDBY   A C iAYMYN       IN  DATE E     244 "C"M             M  tlu@       W*9            lto               /                               XED CHECK'  BY n    TN             REFEREPERO 1 0-75 DESCPTION                    PLANVIEV
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TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093T Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (m2 ): 282 Southwest Floor and Lower Walls Data Quality Values - Beta Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement .# Of Measurement Type Code Meas. Unit DCGL SGN WRS 1 50 DPM/100 CM2 7.500e+003 Statistical Quantities Measurement Name: Minimum Value 1. 114e+003 Maximum Value 4.371e+003 Range 3.257e+003 Median 2.039e+003 Std. Deviation  : 7.690e+002 Mean 2.073e+003 a 95% UCL 2.255e+003 Measurement Values Location Value Location Value Location Value 000001 2.695e+003 000018 3.514e+003 000035 2.503e+003 000002 2.355e+003 000019 4.090e+003 000036 2.765e+003 000003 2.170e+003 000020 4.371e+003 000037 1.312e+003 000004 2.394e+003 000021 1.165e+003 000038 2.586e+003 000005 2.829e+003 000022 2.010e+003 000039 2.061e+003 000006 3.066e+003 000023 1.421e+003 000040 1.843e+003 000007 2.375e+003 000024 1.299e+003 000041 1.632e+003 000008 1.831e+003 000025 2.407e+003 000042 1.395e+003 000009 1.440e+003 000026 2.176e+003 000043 1.114e+003 000010 1.229e+003 000027 2.496e+003 000044 1.920e+003 000011 2.029e+003 000028 2.253e+003 000045 1.184e+003 000012 2.087e+003 000029 2.515e+003 000046 1.286e+003 000013 2. 317e+003 000030 3.578e+003 000047 1.267e+003 000014 2. 144e+003 000031 1.306e+003 000048 1.248e+003 000015 1.434e+003 000032 1.299e+003 000049 1.395e+003 000016 1.946e+003 000033 2.048e+003 000050 1.267e+003 000017 2.887e+003 000034 1.671e+003 I B-96

TROJAN FINAL SUR VEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093T Classification: Class I Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (m2 ): 282 Southwest Floor and Lower Walls Measurement Data Statistical Evaluation - Beta Statistical Comparisons Statistical Quantities Calculated Acceptance Range: 3,257 Test Value Criteria Acceptable? Median: 2,039 Range 3,257 3,845 Pass Mean: 2,073 Median 0.044 0.500 Pass Std Dev: 769 Mean 2,073 6,000 Pass Minimum: 1,114 Std Dev 769 1,500 Pass Maximum: 4,371 All values are <DCGL, WRS statistical test not required for data set. DCGL: 7,500 Data Frequency Distribution 40% 35% 20. V.. 0 25%1I20% 0 E35%

              °Y  01/.0 Soo      A,     3.000    3.500   2.000     2,00 3,000   3.500     4,000    4,500    5.000 499     999    1.499     1.99    2,499     2,999   3,499   3,999     4.499    4.999    5,499 Measured Radioactivity (dpml1OO cml)

Number of Observation Plot Parameters Interval High End Low End Observations Frequency

     # of measurements:                     50                   I            499            0                 0           0%
             # of intervals:                11                  2             999          500                 0           0%

Interval increment: 500 3 1,499 1,000 17 34% Minimum: 0 4 1,999 1,500 6 12% Maximum: 5,499 5 2,499 2,000 15 30% 6 2,999 2,500 7 14% Comment: 7 3,499 3,000 1 2% None. 8 3,999 3,500 2 4% 9 4,499 4,000 2 4% 10 4,999 4,500 0 0% 11 5,499 5,000 0 0% Total: 50 100% B-97

TROJAN FINAL SURVEY REPORT- SPENTFUEL POOL IMPACTEDAREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093T Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (m2 ): 282 Southwest Floor and Lower Walls Background Reference Area B04045X - Beta Statistical Quantities: Range  : 6.442e+002 Median  : 9.202e+002 Mean  : 9.454e+002 Std. Deviation:  : 1.153e+002

# of Measurements: 51                                         Min Value: 7.668e+002        Max Value:      1.411e+003 Measurement                                                                                     Data Status Location                                                          Value                          Code 000001                                                                9.470e+002                       B 000002                                                                1.062e+003                      *B 000003                                                                9.854e+002                       B 000004                                                                9.585e+002                       B 000005                                                                9.547e+002                       B 000006                                                                8.972e+002                       B 000007                                                                9.470e+002                       B 000008                                                                8.857e+002                       B 000009                                                                1.016e+003                       B 000010                                                                8.397e+002                       B 000011                                                                7.821e+002                       B 000012                                                                9.700e+002                       B 000013                                                                9.508e+002                       B 000014                                                                9.815e+002                       B 000015                                                                8.282e+002                       B 000016                                                                8.588e+002                       B 000017                                                                9.163e+002                       B 000018                                                                7.668e+002                       B 000019                                                                9.623e+002                       B 000020                                                                8.588e+002                       B 000021                                                                9.470e+002                       B 000022                                                                8.627e+002                       B 000023                                                                8.895e+002                       B 000024                                                                8.550e+002                       B 000025                                                                8.282e+002                       B 000026                                                                1.039e+003                       B 000027                                                                9.930e+002                       B 000028                                                                8.627e+002                       B 000029                                                                8.780e+002                       B 000030                                                                1.043e+003                       B.

000031 9.202e+002 B 000032 8.627e+002 B 000033 9.048e+002 B 000034 9.087e+002 B 000035 7.937e+002

• B 000036 1.024e+003 B B-98

TROJAN FINAL SURVEY REPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093T Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (m2 ): 282 Southwest Floor and Lower Walls Background Reference Area B04045X - Beta (Continued) Statistical Quantities: Range  :*6.442e+002 Median  : 9.202e+002 Mean  : 9.454e+002 Std. Deviation:  : 1.153e+002

1. of Measurements: 51 Min Value: 7.668e+002 Max Value: 1.411e+003 Measurement Data Status Location Value Code 000037 1.lOOe+003 B 000038 1.104e+003 B 000039 1.411e+003 B 000040 1.288e+003 B 000041 9.202e+002 B 000042 8.512e+002 B 000043 1.062e+003 B 000044 9.202e+002 B 000045 9.010e+002 B 000046 1.062e+003 B 000047 9.317e+002 B 000048 9.969e+002 B 000049 8.857e+002 B 000050 8.933e+002 B 000051' 9.048e+002 B B-99

TROJAN FINAL SURVEY REPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093T Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (m2 ): 282 Southwest Floor and Lower Walls Data Qualitv Values - Alpha Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Tvpe Code Meas. Unit DCGL SGN WRS 2 50 DPM/100 CM2 2.800e+001 3.376e+003 Statistical Quantities Measurement Name: Minimum Value 1.323e+001 Maximum Value 1.058e+002 Range

• 9.257e+001 Median 4.630e+001 Std. Deviation : 1.931e+001 Mean 4.881e+001 95% UCL 5.339e+001 Measurement Values Location Value Location Value Location Value 000001 3.307e+001 000018 4.630e+001 000035 3. 307e+001 000002 4. 630e+001 000019 5.952e+001 000036 1.058e+002 000003 6.614e+001 000020 5.291e+001 000037 2. 646e+001 000004 5.291e+001 000021 2.646e+001 000038 3.968e+001 000005 5.291e+001 000022 2. 646e+001 000039 5.291e+001 000006 3.968e+001 000023 7.937e+001 000040 7.275e+001 000007 6.614e+001 000024 3.307e+001 000041 5. 952e+001 000008 4.630e+001 000025 7.937e+001 000042 3.968e+001 000009 5.952e+001 000026 4.630e+001 000043 4. 630e+001 000010 1.323e+001 000027 5.291e+001 000044 3. 968e+001 000011 6.614e+001 000028 7.937e+001 000045 2. 646e+001 000012 3.307e+001 000029 5.952e+001 000046 3.307e+001 000013 2. 646e+001 000030 7.937e+001 000047 2.646e+001 000014 7.275e+001 000031 3. 307e+001 000048 3. 968e+001 000015 3.307e+001 000032 1.984e+001 000049 6.614e+001 000016 4. 630e+001 000033 2.646e+001 000050 7.275e+001 000017 5. 291e+001 000034 5.291e+001 B-100

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093T Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (m2 ): 282 Southwest Floor and Lower Walls Measurement Data Statistical Evaluation - Alpha Statistical Comparisons Statistical Quantities Calculated Acceptance Range: *93 Test Value Criteria Acceptable? Median: 46 Range 93 97 Pass Mean: 49 Median 0.130 0.500 Pass Std Dev: 19 Mean 49 28 See comment below Minimum: 13 Std Dev 19 28 Pass Maximum: 106 WRS 3376 2762 Pass DCGL: 28 Data set passes the WRS statistical test as Wr (3376) is greater than k (2762). Data Frequency Distribution 40% 0 20 40 60 to 200 120 140 160 ISO 200 19 39 59 79 99 119 129 159 179 199 219 Measured Radioactivity (dpmtlDO cmi ) Number of Observation Plot Parameters Interval High End Low End Observations Frequency

       # of measurements:                  so                 1              19         0                           2%
              # of intervals:              11                2               39        20              15          30%

Interval increment: 20 3 59 40 18 36% Minimum: 0 4 79 60 I11 22% Maximum: 219 5 99 80 4 8% Comment: 6 119 100 1 2% Data set fails initial means statistical quantities 7 139 120 0 0% test, which then requires a means test with a a 159 140 0 0% background reference area data set. Since the 9 179 160 0 0% Survey Unit mean minus Reference Area mean 10 199 180 0 0% is less than the DCGL, the survey unit data set 11 19 Z 200 0 0% passes that means test, and its acceptability is determined Total: 50 100% by the WRS test. Since the data set passes the WRS statistical test, all measurement values are valid and accepted. B-101

TROJAN FINAL SURVEYREPORT- SPENTFUELPOOL IMPACTED AS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093T Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (m 2 ): 282 Southwest Floor and Lower Walls Background Reference Area B04045X - Alpha Statistical Quantities: Range  : 6.820e+001 Median  : 4.340e+001 Mean  : 4.376e+001 Std. Deviation:  : 1.661e+001

# of Measurements: 51       Min Value: 6.200e+000          Max Value:       7.440e+001 Measurement                                                      Data Status Location                        Value                               Code 000001                            3.720e+001 000002                            5. 580e+001 000003                            5. 580e+001 000004                            3.100e+001 000005                            2.480e+001 000006                            3.100e+001 000007                            6.200e+000 000008                            1.860e+001 000009                            5. 580e+001 000010                            3.100e+001 000011                            7.440e+001 000012                            5.580e+001 000013                            6.200e+001 000014                            4.340e+001 000015                            4. 340e+001 000016                            3.100e+001 000017                            3. 100e+001 000018                            1.240e+001 000019                            6. 820e+001 000020                            2.480e+001 000021                            6. 820e+001 000022                            3.100e+001 000023                            3. 720e+001 000024                            6.820e+001 000025                            6.200e+001 000026                            2. 480e+001 000027                            5. 580e+001 000028                            4. 960e+001 000029                            1.860e+001 000030                            3. 100e+001 000031                            6.820e+001 000032                            3. 100e+001 000033                            3.720e+001 000034                            3.720e+001 000035                            3. 720e+001 000036                            5.580e+001 B-102

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093T Classification: Class I Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (M2 ): 282 Southwest Floor and Lower Walls Background Reference Area B04045X - Alpha (Continued) Statistical Quantities: Range  : 6.820e+001 Median  : 4.340e+001 Mean  : 4.376e+001 Std. Deviation:  : 1.661e+001

# of Measurements: 51                                        Min Value: 6.200e+000      Max Value:      7.440e+001 Measurement                                                                                  Data Status Location                                                          Value                        Code 000037                                                               4.340e+001                     B 000038                                                                1.860e+001                     B 000039                                                                6.200e+001                     B 000040                                                                3.720e+001                    B 000041                                                                4.960e+001                    B 000042                                                                5.580e+001                    B 000043                                                               4.960e+001                     B 000044                                                                6.820e+001                     B 000045                                                                3.720e+001                     B 000046                                                                4.960e+001                     B 000047                                                                6.200e+001                     B 000048                                                                4.340e+001                    B 000049                                                                6.200e+001                    B 000050                                                                3.720e+001                     B 000051                                                                4.960e+001                     B B-103

TROJAN FINAL SUR VEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093T Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (m2 ): 282 Southwest Floor and Lower Walls Jud2mental and Miscellaneous Measurement Data Measurement Type: Surface Scanning Beta Scan Coverage (%): 100 Measurement Units: dpm/1OOcm 2 Investigation Level: 7,500 Minimum Value: 877 Maximum Value: 10,990 Measurement Type: Removable Beta Number of Measurements: 50 Measurement Units: dpm/lOOcm 2 Investigation Level: 750 Minimum Value: 0 Maximum Value: 39 Measurement Type: Removable Alpha Number of Measurements: 50 Measurement Units: dpm/lOOcm 2 Investigation Level: MDC Minimum Value: 0 Maximum Value: 5 Discussion of Anomalous Measurement Data Investigation #1 Summary Reason for Investigation: Nineteen beta scan measurements exceeded the investigation level. Elevated Measurement Comparison (EMC): DCGL (Investigation Level): 7,500 Measurement Units: dpm/1 00cm2 Maximum Value: 55,970 Size of Area Exceeding DCGL (m 2

                                                    ):           0.32 Size of Survey Unit (m2 ):                        282 Survey Unit Area >DCGL (%):                       0.12 EMIC Value:                                       37,500 Action Taken: Corrected measurement values for scan locations per guidance in memo FS-018-03. Deleted scan results for scan locations to be remediated. Replaced original scan results in SDMS with the corrected results for the others. Rescanned remediated areas.

Applied EMC data processing to corrected results for scan locations that remain elevated. Basis for Action Taken: Technical basis memorandum FS-018-03 provides guidance for correcting SDMS determined scan results for locations that exceed the investigation level by subtracting instrument background from the field results. B-104

TROJANFINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093T Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (m2 ): 282 Southwest Floor and Lower Walls Discussion of Anomalous Measurement Data (Continued) Investi2ation #2 Summarv Reason for Investigation: Forty-one alpha static measurements exceeded the investigation level. Elevated Measurement Comparison (EMC): DCGL (Investigation Level): *28 Measurement Units: dpm/l00cm2 Maximum Value: 106 Size of Area Exceeding DCGL (M2 ): 0.53 Size of Survey Unit (mi): 282 Survey Unit Area >DCGL (%): 0.19 EMC Value: 140 Action Taken: Applied EMC data processing to elevated alpha static measurement results. Basis for Action Taken: Sum of small, localized areas of elevated alpha radioactivity identified during static surveys is less than 1 m2 and allowed the EMC DCGL of 5.0 x DCGL to be applied. B-105

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093T Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (m2 ): 282 Southwest Floor and Lower Walls Unitv Rule Evaluation Survey Unit Values Value I DCGL Ratios Ratio Bkg Ref Area Values' Location N Beta Alpha Beta Alpha Sum (Y) Beta Alpha S93T01 2,695 33 0.359 1.181 1.540 947 37 S93T02 2,355 46 0.314 1.654 1.968 1062 56 S93T03 2,170 66 0.289 2362 2.651 985 56 S93T04 2,394 53 0.319 1.890 2.209 959 31 S93T05 2,829 53 0.377 1.890 2.267 955 25 S93T06 3,066 40 0.409 1.417 1.826 897 31 S93T07 2,375 66 0.317 2.362 2.679 947 6 S93T08 1,831 46 0.244 1.654 1.898 886 19 S93T09 1,440 60 0.192 2.126 2.318 1016 56 S93T10 1,229 13 0.164 0.473 0.636 840 31 S93T11 2,029 66 0.271 2.362 2.633 782 74 593T12 2,087 33 0.278 1.181 1.459

• 970 56 S93T13 2,317 26 0.309 0.945 1.254 951 62 S93T14 2,144 73 0.286 2.598 2.884 982 43 S93T15 1,434 33 0.191 1.181 1.372 828 43 S93T16 1,946 46 0.259 1.654 1.913 859 31 S93T17 2,887 53 0.385 1.890 2.275 916 31 S93T18 3,514 46 0.469 1.654 2.122 767 12 593T19 4,090 60 0.545 2.126 2.671 962 68 693T20 4,371 53 0.583 1.890 2A72 859 25 S93T 21 1,165 26 0.155 0.945 1.100 947 68 S93T22 2,010 26 0.268 0.945 1.213 863 31 S93;23 1,421 79 0.189 2.835 3.024 890 37 S93T24 1,299 33 0.173 1.181 1.354 855 68 S93T25 2,407 79 0.321 2.835 3.156 828 62 S93T26 2,176 46 0.290 1.654 1.944 1039 25 S93T27 2,496 53 0.333 1.890 2.222 993 56 S93T28 2,253 79 0.300 2.835 3.135 863 50 S93T29 2,515 60 0.335 2.126 2.461 878 19 S93T30 3,578 79 0.477 2.835 3.312 1043 31 S93T31 1,306 33 0.174 1.181 1.355 920 68 S93T32 1,299 20 0.173 0.709 0.882 863 31 S93T33 2,048 26 0.273 0.945 1.218 905 37 S93T34 1,671 53 0.223 1.890 2.112 909 37 S93T35 2,503 33 0.334 1.181 1.515 794 37 593T36 2,765 106 0.369 3.779 4.147 1024 56 593T37 1,312 26 0.175 0.945 1.120 1100 43 S93T38 2,586 40 0.345 1.417 1.762 1104 19 S93T39 2,061 53 0.275 1.890 2.164 1411 62 S93T40 1,843 73 0.246 2.598 2.844 1288 37 S93T41 1,632 60 0.218 2.126 Z.343 920 50 S93T42 1,395 40 0.186 IA17 1.603 851 56 S93T43 1,114 46 0.149 1.654 1.802 1062 50 S93T44 1,920 40 0.256 1.417 1.673 920 68 S93T45 1,184 26 0.158 0.945 1.103 901 37 S93T46 1,286 33 0.171 1.181 1.353 1062 50 S93T47 1,267 26 0.169 0.945 1.114 932 62 S93T48 1,248 40 0.166 IA17 1.584 997
• 43 S93T49 1,395 66 0.186 2.362 2.548 886 62 S93T50 1,267 73 0.169 - 2.598 2.767 893 37 mean: 2.020 maximum: 4.147

       'Values from B04045X. measurements # 1.50.

B-106

TROJAN FINAL SUR VEY REPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093T Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size(m 2 ): 282 Southwest Floor and Lower Walls Unitv Rule Evaluation (Continued) Value / DCGL Ratios Ratio Sum + I B-107

TROJAN FINAL SUR VEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093T Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (M2 ): 282 Southwest Floor and Lower Walls Unity Rule Evaluation

                                                                 ~'-.;
                                                                    -448   a A,Mir  4si0o Note: Highlighted background values to track for Wr         :242.449l""555 Beta DCGL = 7,500                                             t0'.1'itW,57'0~

Alpha DCGL- 28 Unity "DCGL"-I 2.461 59.0 2.472 60.0 Since Y mean > Unity DCGL (2.02 > 1.0), go to means test. 2.548 62.0 Means test: 2.633 63.0 DM = (YMax - BMin) 2.651 64.0 DM= (4.147 - 0.348) = 3.8 > Unity DCGL DA = (YMean - BMean) 2.671 66.0 DA = (2.02 - 1.685 ) = 0.335 < Unity DCGL 2.679 67.0 Passes means test Since DM >DCGL & DA < DCGL,

• 21i68 683.

go to WRS test for unity rule evaluation. 2.767 71.0 2.844 72.0 WRS Test: 2.884 73.0 k = MARSSIM equation 1.I k = m(n + m +1)/2+z(P)' where: n - 50 m-50 Pnrn(n+m+1Y12 = 21,042 z= 1.645, for 0.05 Type I error k = 50(50+50+1/y2 + 1.645(21042)"' k = 2525 + 1.645(145) = 2764

Conclusion:

Since Wr > k (3173 > 2764), survey unit passes the unity rule and, therefore, meets the release criteria. B-108

c TROJAN FINAL SURVEY REPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093T Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Southwest Floor and Lower Walls Size (m2 ): 282 Static Measurement Locations Map B-109

C TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093T Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Southwest Floor and Lower Walls Size (m2 ): 282 Static Measurement Locations Map 3I SO H EOU.IMACH DO Kz 7 1NAREA 3350SO M

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• _) _[ ;n ( DESCRIPTI0N Et'1PYENT HAT AREA ELEVATION VIEVS C .It - -w, B-110

C C .TROJAN FINAL SUR VEY REPORT- SPENT FUEL POOL IMPACTED AREAS J CA FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093T Classification: Class I Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Southwest Floor and Lower Walls Size (m2 ): 282 Static Measurement Locations Map f . . .=.=_-_._._._.__._-'-- ............ 11............ELB 1 ---------------------------.-.-.----- --------

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• TROJAN FINAL SURVEY MAP NO. S4rOET3 IREVISItO N40. tS PREPARED BY R C RAYMNO tlEYISION ATE -24 HECKEDBY H 0TfG DVC REFERENCE A-75 a 1 2 3 4 5 WDC RE, ,F,, Fd

_ ?cc e\<--..47- tq SCAEPDNETERS I AREA/EXT SPENT LELPOL nREA noSMPTI04 EWETM 0 ELY^ - 7. I -- . - -- .--- B-Ill

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093V Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (m2 ): 113 South Center Floor Area Data Oualitv Values - Beta Type 1 Error  : 5.OOOe-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS. 1 34 DPM/100 CM 2 7.500e+003 Statistical Quantities Measurement Name: Minimum Value 9.292e+002 Maximum Value 2.284e+003 Range 1.355e+003 Median 1.994e+003 Std. Deviation 4.121e+002 Mean 1.792e+003 95% UCL 1. 912e+003 Measurement Values Location Value Location Value 000001 2.065e+003 000018 2.026e+003 000002 2.284e+003 000019 1.974e+003 000003 1.329e+003 000020 1.865e+003 000004 1.090e+003 000021 1.955e+003 000005 2.033e+003 000022 1.903e+003 000006 2.058e+003 000023 2.020e+003 000007 1.290e+003 000024 2.220e+003 000008 1.078e+003 000025 2.020e+003 000009 2.026e+003 000026 2.142e+003 000010 1.290e+003 000027 2. 149e+003 000011 2.052e+003 000028 2. 013e+003 000012 1.239e+003 000029 2.187e+003 000013 1.136e+003 000030 1.820e+003 000014 1.800e+003 000031 1.878e+003 000015 9.292e+002 000032 1.968e+003 000016 2.026e+003 000033 2.058e+003 000017 9.421e+002 000034 2.065e+003 B-1 12

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTEDAREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093V Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (m2 ): 113 South Center Floor Area Measurement Data Statistical Evaluation - Beta Statistical Comparisons Statistical Quantities Calculated Acceptance Range: 1,355 Test Value Criteria Acceptable? Median: 1,994 Range 1,355 2,061. Pass Mean: 1,792 Median 0.489 0.500 Pass Std Dev:

• 412 Mean 1,792 6,000 Pass Minimum: 929 Std Dev 412 1,500 Pass Maximum: 2,284 All values are <DCGL, WRS statistical test not required for data set. DCGL: 7,500 Data Freauenev Distribution 60w W17.

Ur 40% Z.. t! 0* a.. D 0 .0% . . 201% 0%/ . kol. 0 500 .e000 1.500 2.000 2,500 3.0x0 3,S00 . 4.000 4.500 5,000 499 99 1.4" 1.999 2,4" 2,999 3.4" 3.999 4,499 4,999 5.499 Measured Radioactivity (dpm/100 cmp) Number of Observation Plot Parameters Interval High End Low End Observations Frequency

      # of measurements:                        34                     1            499              0                 0          0%
              # of intervals:                   11                     2             999         500                   2           6%

Interval increment: 500 3 1,499 1,000 7 21% Minimum: 0 *4 1,999 1,500 8 24%- Maximum: 5,499 5 2,499 2,000 17 50% 6 2,999 2,500 0 0% Comment: 7 3,499 3,000 0 0% None. 8 3,999 3,500 0 0% 9 4,499 4,000 0 0% 10 4,999 4,500 0 0% 11 5,499 5,000 0 0% Total: 34 100% B-113

TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093V Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (m2): 113 South Center Floor Area Background Reference Area B02027B - Beta Statistical Quantities: Range  : 2.952e+002 Median  : 9.316e+002 Mean  : 9.189e+002 Std. Deviation:  : 7.670e+001

# of Measurements: 30       Min Value: 7.668e+002                                Max Value:                   1.062e+003 Measurement                                                                                Data Status Location                         Value                                                           Code 000001                             9.470e+002 000002                             1.062e+003 000003                             9.854e+002 000004                             9.585e+002 000005                             9.547e+002 000006                             8.972e+002 000007                             9.470e+002 000008                             8.857e+002 000009                             1.016e+003 000010                             8.397e+002 000011                             7. 821e+002 000012                             9.700e+002 000013                             9.508e+002 000014                             9. 815e+002 000015                             8.282e+002 000016                             8.588e+002 000017                             9.163e+002 000018                             7.668e+002 000019                             9.623e+002 000020                             8.588e+002 000021                             9.470e+002 000022                             8.627e+002 000023                             8.895e+002 000024                             8.550e+002 000025                             8.282e+002 000026                             1.039e+003 000027                             9.930e*+002 000028                             8.627e+002 000029                             8.780e+002 000030                             1.043e+003 B-114

TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093V Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (m 2 ): 113 South Center Floor Area Data Oualitv Values - Alpha Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement . Type Code Meas. Unit DCGL SGN WRS 2 34 DPM/100 CM2 2.800e+001 1.329e+003 Statistical Quantities Measurement Name: Minimum Value 0. 000e+000 Maximum Value 7. 937e+001 Range 7. 937e+001 Median 3. 307e+001 Std. Deviation 1.844e+001 Mean 3. 618e+001 95% UCL 4.153e+001 Measurement Values Location Value Location Value 000001 3.968e+001 000018 5.291e+001 000002 5.952e+001 000019 5.952e+001 000003 6. 614e+000 000020 4. 630e+001 000004 2. 646e+001 000021 1.323e+001 000005 3.968e+001 000022 2. 646e+001 000006 3. 307e+001 000023 2. 646e+001 000007 3. 307e+001 000024 3.307e+001 000008 1. 323e+001 000025 3.307e+001 000009 3. 968e+001 000026 5.952e+001 000010 3. 307e+001 000027 1.323e+001 000011 5.952e+001 000028 5.291e+001 000012 1.984e+001 000029 5. 952e+001 000013 6. 614e+000 000030 3. 968e+001 000014 1.984e+001 000031 3.968e+001 000015 0. OOOe+000 000032 7. 937e+001 000016 4. 630e+001 000033 3. 307e+001 000017 3. 307e+001 000034 5.291e+001 B-115

TROJAN FINAL SURVEY REPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Classification: Class 1 Survey Unit ID Code: S04093V Size (in2 ): 113 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool South Center Floor Area Measurement Data Statistical Evaluation - Alpha Statistical Comparisons Statistical Quantities Calculated Acceptance Range: 79 Test Value . Criteria Acceptable? Median: 33 Range 79 93 Pass Mean: 36 Median 0.175 0.500 Pass Std Dev: 19 Mean 36 28 See comment below Minimum: 0 Std Dev 19 28 Pass Maximum: 79 WRS 1329 1097 Pass DCGL: 28 Data set passes the WRS statistical test as Wr (1329) is greater than k (1097). . Data Freauenev Distribution 40% 35% C-25%. 5-C 20% aC EW ' tSY

               .0 0

IM._ IS% w..

                              ",_t
                             .I~    -

0 Is 30 45 60 75 90 205 120 135 ISO 14 29 44 59 74 39 104 119 134 149 164. Measured Radioactilvty (dpm/100 cm2) Number of Observation Plot Parameters Interval High End Low End Observations Frequency

          # of measurements:                     34                 1              14          0                6         18%
                 # of intervals:                 11                 2              29         15                5         15%

Interval increment: 15 3 44 30 12 35% Minimum: 0 4 59 45 5 15% Maximum: 164 5 74 60 5 15% Comment: 6 89 75 1 3% Data set fails initial means statistical quantities 7 104 90 0 0% test, which then requires a means test with a 8 119 105 0 0% background reference area data set. Since the 9 134 120 0 0% Survey Unit mean minus Reference Area mean 10 149 135 0 0% is less than the DCGL, the survey unit data set 11 164 150 0 0% passes that means test, and its acceptability is deter mined Total: 34 100% by the WRS test. Since the data set passes the WRS statistical test, all measurement values are valid and accepted. B-116

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTEDAREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093V Classification: Class 1 Survey Unit Name: FB 93' Elevation- Spent Fuel Pool Size (m2 ): 113

                                  *South Center Floor Area Background Reference Area B02027B - Alpha Statistical Quantities:

Range  : 8.895e+001 Median  : 2.737e+001 Mean  : 3 .421e+001 Std. Deviation:  : 2 .017e+001

  # of Measurements: 30                                Min Value: 6.842e+000         Max Value:      9. 579e+001 Measurement                                                                             Data Status Location                                                    Value

___________________________________________________________________ Code 000001 2

                                                                      .737e+001                    B 000002                                                         2
                                                                     .053e+001                     B 000003                                                         5.473e+001 000004                                                         6 B
                                                                     .842e+001 B

000005 9. 579e+001 B 000006 4.105e+001 B 000007 6. 842e4000 B 000008 4 .105e+001 000009 B 2.053e+001 B 000010 4. 105e+001 B 000011 1. 368e+001 000012 B

2. 737e+001 B 000013 5. 473e+001 B 000014 6.842e+000 B 000015 2. 737e+001 000016 B 4.105e+001 B 000017 3.421e+001 B 000018 4. 105e+001 B 000019 2.737e+001 000020 2 B

                                                                    .737e+001                    B 000021                                                          2. 737e+001                      B 000022                                                          3.368e+001                       B 000023                                                          3. 421e+001                      B 000024                                                          2
                                                                   .053e+001 000025 B

5.473e+001 B I000026 2.737e+001 I000027 6 B

                                                                   .842e+001                     B I000028 2.053e+001 B

I 000029 3

                                                                   .421e+001 B

I D00030

6. 842e+000 B

B-117

TROJAN FINAL SURVEY REPORT- SPENTFUEL POOL IMPACTEDAREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093V Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (m2 ): 113 South Center Floor Area Judgmental and Miscellaneous Measurement Data Measurement Type: Surface Scanning Beta Scan Coverage (%): 100 Measurement Units: dpm/lOOcm 2 Investigation Level: 7,500 Minimum Value: 772 Maximum Value: 7,063 Measurement Type: Removable Beta Number of Measurements: 34 Measurement Units: dpm/lOOcm 2 Investigation Level: 750 Minimum Value: 0 Maximum Value: 26 Measurement Type: Removable Alpha Number of Measurements: 34 Measurement Units: dpm/lOOcm 2 Investigation Level: MDC Minimum Value: 0 Maximum Value: 3 Discussion of Anomalous Measurement Data Investieation #1 Summary Reason for Investigation: Six beta scan measurement exceeded the investigation level. Elevated Measurement Comparison (EMC): DCGL (Investigation Level): 7,500 Measurement Units: dpm/l OOcm 2 Maximum Value: 34,070 Size of Area Exceeding DCGL (m 2 ): 0.05 Size of Survey Unit (m2 ): 113 Survey Unit Area >DCGL (%): 0.05 EMC Value: 37,500 Action Taken: Corrected measurement values for scan locations per guidance in memo FS-018-03. Deleted scan results for scan locations to be remediated. Replaced original scan results in SDMS with the corrected results for the others. Rescanned remediated areas. Applied EMC data processing to corrected results for scan locations that remain elevated. Basis for Action Taken: Technical basis memorandum FS-018-03 provides guidance for correcting SDMS determined scan results for locations that exceed the investigation level by subtracting instrument background from the field results. B- 18

TROJAN FINAL SURVEYREPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093V Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (m2 ): 113 South Center Floor Area Discussion of Anomalous Measurement Data (Continued) Investigation #2 Summarv Reason for Investigation: Twenty-three alpha static measurements exceeded investigation level. Elevated Measurement Comparison (EMC): DCGL (Investigation Level): 28 Measurement Units: dpm/lOOcm 2 Maximum Value: 79 Size of Area Exceeding DCGL (m2 ): 0.3 Size of Survey Unit (m2 ): 113 Survey Unit Area >DCGL (%): 0.27 EMC Value: 140 Action Taken: Applied EMC data processing to elevated alpha static measurement results. Basis for Action Taken: Sum of small, localized areas of elevated alpha radioactivity identified during static surveys is less than 1 m2 and allowed the EMC DCGL of 5.0 x DCGL to be applied. B- 19

TROJAN FINAL SURVEY REPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Classification: Class 1 Survey Unit ID Code: S04093V Size (m2 ): 113 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool South Center Floor Area Unitv Rule Evaluation Survey Unit Values Value I DCGL Ratios Ratio Bkg Ref Area Values Location # Beta Alpha Beta Alpha Sum (Y) Beta' Alpha** S93VO0 2,065 40 0.275 1.429 1.704 947 27 S93V02 2,284 60 0.305 2.143 2.447 1,062 21 S93V03 1,329 7 0.177 0.250 0.427 985 55 S93V04 1,090 26 0.145 0.929 1.074 959 68 S93VO5 2,033 40 0.271 1.429 1.700 955 96 S93V06 2,058 33 0.274 1.179 1.453 897 41 S93V07 1,290 33 0.172 1.179 1.351 947 7 S93V08 1,078 13 0.144 0.464 0.608 886 41 S93V09 2,026 40 0.270 1.429 1.699 1,016 21 S93V1O 1,290 33 0.172 1.179 1.351 840 41 S93 VI I 2,052 60 0.274 2.143 2.416 782 14 S93V12 1,239 20 0.165 0.714 0.879 970 27 S93V13 1,136 7 0.151 0250 0.401 951 55 S93V14 1,800 0.240 0.714 0.954 982 7 S93VIS 929 0 0.124 0.000 0.124 828 27 S93V16 2,026 46 0.270 1.643 1.913 859 41 S93V17 942 33 0.126 1.179 1.304 916 34 S93V18 2,026 53 0.270 1.893 2.163 767 41 S93V19 1,974 60 0.263 2.143 2.406 962 27 S93V20 1,865 46 0.249 1.643 1.892 859 27 S93V21 1,955 13 0.261 0.464 0.725 947 27 S93V22 1,903 26 0.254 0.929 1.182 863 14 S93V23 2,020 26 0.269 0.929 1.198 890 34 S93V24 2,220 33 0.296 1.179 1.475 855 21 S93V25 2,020 33 0.269 1.179 1.448 828 55 S93V26 2,142 60 0.286 2.143 2.428 1,039 27 S93V27 2,149 13 0.287 0.464 0.751 993 68 S93V28 2,013 53 0.268 1.893 2.161 863 21 S93V29 2,187 60 0.292 2.143 2.434 878 34 S93V30 1,820 40 0.243 1.429 1.671 1,043 7 S93V31 1,878 40 0.250 1.429 1.679 S93V32 1,968 79 0.262 2.821 3.084 S93V33 2,058 .33 0274 1.179 1.453 S93V34 2,065 53 0.275 1.893 2.168 mean: 1.533 maximum: I 3.084 Values from B02027B01, which arc measurements 1- 30 from background reference data set B04045Y01.

     *"Values from background reference area survey unit B02027B02.

Note: Highlighted background values to track for Wr Since Y mean > Unity DCGL (1.533 > 1.0), go to means test Means test: DM = (YMax - BMin) - (3.084 - 0.376) - 2.708 > Unity DCGL DA - (YMean - BMean) - (1.533 - 1.344) 0.19 < Unity DCGL Passesmeans test Since DM >DCGL &DA <DCGL, go to WRS test for unity rule evaluation (see last page). B-120

TROJAN FINAL SUR VEY REPORT- SPENTFUELPOOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093V Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (m2 ): 113 South Center Floor Area Unitv Rule Evaluation (Continued) Value / DCGL Ratios Ratio Surn+ I 0.964 0.142 0.750 0.401 0.131 1.964 0.427 0.128 2.429 0.608 0.127 3.429 0.725 0.120 1.464 0.751 0.126 0.250 0.879 0.118 IA64 0.954 0.135 0.750 1.074 0.112 IA64 0.104 0.500 0.129 0.964 0.127 1.964 0.131 0.250 0.381 0.110 0.964 0.115 1.464 0.122 1.214 0.102 1.464 1.567 0.128 0.964 1.093. 0.115 0.964 1.0791 0.126 0.964 0.115 0.500 0.119 1.214 1.333! 0.114 0.750 0.864 0.110 1.964 2.075 0.139 0.964 1.103i 0.132 2.429 2.561; 0.115 0.750 0.865 . 0.117 1.214 1.331 0.139 0.250 0.389i Sum - Wr mean: 1.344 minimum: 0.376 2.161 42.0 2.163 43.0 2.168 44.0 Ti;b 2.406 48.0 2.416 49.0 B-121

TROJAN FINAL SUR VEYREPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093V Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (m2 ): 113 South Center Floor Area Unitv Rule Evaluation (Continued) 2.428 50.0 2.434 51.0 WRS Test: 2.447 52.0 k = MARSSIM equation 1.1 k = m(n + m +1)12 +z(P)"2 where: m - number of Z = 30 n = number of Y = 34 P= nm(n+m+l)/12 5,525 z = 1.645, for 0.05 Type I error k = 30(34+30+1)/2 + 1.645(5525)'" 3.084 59.0 k = 975 + 1.645(74.2) = 1097 '3'091; -,6M c

Conclusion:

Since Wr > k (1263 > 1097), survey unit passes the 355 , - 4r=262:0`..'. unity rule, and, therefore, meets the release criteria. B-122

(7, ( C., TRO1JAN FINALSUJRVEY REPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093V Classification: Class I Size (m2 ): 113 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool South Center Floor Area Static Measurement Locations Map B-123

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTEDAREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093X Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (m2 ): 120 Southeast Floor Area Data Oualitv Values - Beta Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS 1 34 DPM/100 CM2 7.500e+003 Statistical Quantities Measurement Name: Minimum Value 7.740e+002 Maximum Value 2.066e+003 Range 1.292e+003 Median 1.653e+003 Std. Deviation 4.295e+002 Mean 1.486e+003 95% UCL 1. 611e+003 Measurement Values Location Value Location Value 000001 1.902e+003 000018 1.069e+003 000002 1.207e+003 000019 1.108e+003 000003 1. 614e+003 000020 1.732e+003 000004 1.987e+003 000021 1.869e+003 000005 2.033e+003 000022 1.056e+003 000006 1.896e+003 000023 9.707e+002 000007 1.922e+003 000024 8.592e+002 000008 1.692e+003 000025 1.771e+003 000009 1.823e+003 000026 1.856e+003 000010 1.791e+003 000027 1.240e+003 000011 1.876e+003 000028 1.161e+003 000012 1.148e+003 000029 1.850e+003 000013 1.049e+003 000030 1.004e+003 000014 1.922e+003 000031 8.592e+002 000015 2.066e+003 000032 8.724e+002 000016 1.168e+003 000033 1.476e+003 000017 7.740e+002 000034 1. 915e+003 B-124

TROJAN FIAL SUR VEYREPORT-SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093X Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (M2 ): 120 Southeast Floor Area Measurement Data Statistical Evaluation - Beta Statistical Comparisons Statistical Quantities Calculated Acceptance Range: 1,292 Test Value Criteria Acceptable? Median: 1,653 Range 1,292 - 2,147 Pass Mean: 1,486 Median 0.388 0.500 Pass Std Dev: 429 Mean 1,486 6,000 Pass Minimum: 774 Std Dev 429 1,500 Pass -Maximum: 2,066 All values are <DCGL, WRS statistical test not required for data set. DCGL: 7,500 Data Frequency Distribution 45'. 40%m i~35%.

             ~30%A c 25                      i     _

• 20%

101/.g 10% 5%, 01% O 500 1.000 1,500 Zoo MO5O 3.000 3.500 4.000 4,500 3,000 499 999 1.499 1.999 2,499 2999 3.499 3.999 4,499 4.99 5.499 Measured Radionctiity (dpmI1OO cm:) Number of Observation Plot Parameters Interval High End Low End Observations Frequency

     # of measurements:                 34                   1            499           0                  0           0%
            # of intervals:             11                   2            999         500                  5         15%

Interval increment: 500 3 1,499 1,000 11 32% Minimum: 0 4 1,999 1,500 16 47% Maximum: 5,499 5 2,499 2,000 2 6% 6 2,999 2,500 0 0% Comment: 7 3,499 3,000 0 0% None. 8. 3,999 3,500 0 0% 9 4,499 4,000 0 0% 10 4,999 4,500 0 0% 11 5,499 5,000 0 0% Total: 34 100% B-125

TROJAN FINAL SURVEYREPORT-SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093X Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (m2 ): 120 Southeast Floor Area Background Reference Area B02027B - Beta Statistical Quantities: Range  : 2.952e+002 Median  : 9.316e+002 Mean  : 9.189e+002 Std. Deviation:  : 7.670e+001

# of Measurements: 30               Min Value: 7.668e+002                               Max Value:                   1.062e+003 Measurement                                                                                      Data Status Location                               Value                                                           Code 000001                                    9.470e+002                                                          B 000002                                    1.062e+003                                                          B 000003                                    9.854e+002                                                          B 000004                                    9.585e+002                                                          B 000005                                    9.547e+002                                                          B 000006                                    8.972e+002                                                          B 000007                                    9.470e+002                                                          B 000008                                    8.857e+002                                                          B 000009                                    1.016e+003                                                          B 000010                                    8.397e+002                                                          B 000011                                    7..821e+002                                                         B 000012                                    9.700e+002                                                          B 000013                                    9.508e+002                                                          B 000014                                    9.815e+002                                                          B 000015                                    8.282e+002                                                          B 000016                                    8.588e+002                                                          B 000017                                    9.163e+002                                                          B 000018                                    7.668e+002                                                          B 000019                                    9.623e+002                                                          B 000020                                    8.588e+002                                                          B 000021                                    9.470e+002                                                          B 000022                                    8.627e+002                                                          B 000023                                    8.895e+002                                                          B 000024                                    8.550e+002                                                          B 000025                                    8.282e+002                                                          B 000026                                    1.039e+003                                                          B 000027                                    9.930e+002                                                          B 000028                                    8.627e+002                                                          B 000029                                    8.780e+002                                                          B 000030                                    1.043e+003                                                          B B-126

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED ARAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093X Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (m2): 120 Southeast Floor Area Data Oualit' Values - Alpha Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement TYpe Code Meas. Unit DCGL SGN WRS 2 34 DPM/100 CM2 2. 800e+001 1.393e+003 Statistical Quantities Measurement Name: Minimum Value 0.OOOe+000 Maximum Value 6. 820e+001 Range 6.820e+001 Median 2. 480e+001 Std. Deviation : 1. 652e+001 Mean 2. 826e+001 95% UCL 3. 306e+001 Measurement Values Location Value Location Value 000001 3.100e+001 000018 1.240e+001 000002 6.200e+000 000019 4.340e+001 000003 6.200e+000 000020 3. 100e+001 000004 4.340e+001 000021 2. 480e+001 000005 1.860e+001 000022 1.240e+001 000006 2.480e+001 000023 1.240e+001 000007 3.720e+001 000024 2.480e+001 000008 4.340e+001 000025 2.480e+001 000009 4. 340e+001 000026 4.340e+001 000010 6. 820e+001 000027 0.OOOe+000 000011 5.580e+001 000028 1.860e+001 000012 2.480e+001 000029 4. 960e+001 000013 1.860e+001 000030 1.860e+001 000014 4. 960e+001 000031 0. OOOe+000 000015 3.720e+001 000032 1.240e+001 000016 2.480e+001 000033 1.860e+001 000017 3.720e+001 000034 4.340e+001 B-127

TROJANNFINAL SURVEYREPORT- SPENTFUELPOOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093X Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (m2 ): 120 Southeast Floor Area Measurement Data Statistical Evaluation - Alpha Statistical Comparisons Statistical Quantities Calculated Acceptance Range: 68 Test Value Criteria Acceptable? Median: 25 Range 68 82 Pass Mean: 28 Median 0.196 0.500 Pass Std Dev: 16 Mean 28 28 See comment below Minimum: 0 Std Dev 16 28 Pass Maximum: 68 WRS 1393 1097 Pass DCGL: 28 Data set passes the WRS statistical test as Wr (1393) is greater than k (1097). Data Frequency Distribution 35% 30% 013% 0~ 01/ 0 IS 30 45 60 75 90 105 120 135 ISO 14 29 44 59 74 39 104 119 134 149 164 Meas3ured Radioactivity (dpm1lOO cm)2 Number of Observation Plot Parameters Interval High End Low End Observations Frequency P of measurements: 34 I 14 0 8 24%

               # of intervals:              11                 2               29        15                11         32%

Interval increment: 15 3 44 30 11 32% Minimum: 0 4 59 45 3 9% Maximum: 164 5 74 60 1 3% Comment: 6 89 75. 0 0% Data set fails initial means statistical quantities 7 104 90 0 0% test, which then requires a means test with a 8 119 105 0 0% background reference area data set. Since the 9 134 120 0 0% Survey Unit mean minus Reference Area mean 10 149 135 0 0% is less than the DCGL, the survey unit data set I1 164 150 0 0% passes that means test, and its acceptability is determined Total: 34 100% by the WRS test. Since the data set passes the WR S statistical test, all measurement values are valid and accepted. B-128

TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093X Classification: Class I Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (m2): 120 Southeast Floor Area Background Reference Area B02027B - Alpha Statistical Quantities: Range  : 8.895e+001 Median  : 2.737e+001 Mean  : 3.421e+001 Std. Deviation:  : 2.017e+001

# of Measurements: 30                                Min Value: 6.842e+000          Max Value:     9.579e+001 Measurement                                                                               Data Status Location                                                    Value                          Code 000001                                                         2.737e+001                        B 000002                                                         2.053e+001                       B 000003                                                         5.473e+001                       B 000004                                                          6.842e+001                       B 000005                                                         9.579e+001                       B 000006                                                         4.105e+001                       B 000007                                                         6.842e+000                       B 000008                                                         4.105e+001                       B 000009                                                         2.053e+001                       B 000010                                                         4.105e+001                       B 000011                                                         1.368e+001                       B 000012                                                         2.737e+001                       B 000013                                                         5.473e+001                       B 000014                                                          6.842e+000                      B 000015                                                         2.737e+001                       B 000016                                                         4.105e+001                       B 000017                                                         3.421e+001                        B 000018                                                         4.105e+001                       B 000019                                                         2.737e+001                       B 000020                                                         2.737e+001                        B 000021                                                         2.737e+001                       B 000022                                                         1.368e+001                       B 000023                                                         3.421e+001                        B 000024                                                         2.053e+001                        B 000025                                                         5.473e+001                        B 000026                                                         2.737e+001                        B 000027                                                          6.842e+001                       B 000028                                                         2.053e+001                        B 000029                                                         3.421e+001                        B 000030                                                          6.842e+000                       B B-129

TROJANFINAL SURVEY REPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093X Classification: Class I Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (m2): 120 Southeast Floor Area Judgmental and Miscellaneous Measurement Data Measurement Type: Surface Scanning Beta Scan Coverage (%): 100 Measurement Units: dpm/lOOcm 2 .Investigation Level: 7,500 Minimum Value: 799 Maximum Value: 11,920 Measurement Type: Removable Beta Number of Measurements: 34 Measurement Units: dpm/1OOcm 2 Investigation Level: 750 Minimum Value: 0 Maximum Value: 179 Measurement Type: Removable Alpha Number of Measurements: 34 Measurement Units: dpm/lOOcm 2 Investigation Level: MDC Minimum Value: 0 Maximum Value: 3 Discussion of Anomalous Measurement Data Investi2ation #1 Summary Reason for Investigation: Nine beta scan measurements exceeded the investigation level. Elevated Measurement Comparison (EMC): DCGL (Investigation Level): 7,500 Measurement Units: dpm/1 00cm2 Maximum Value: 148,900 Size of Area Exceeding DCGL (m2 ): 0.08 Size of Survey Unit (m2): 120 Survey Unit Area >DCGL (%): 0.07 EMC Value: 37,500 Action Taken: Corrected measurement values for scan locations per guidance in memo FS-018-03. Deleted scan results for scan locations to be remediated. Replaced original scan results in SDMS with the corrected results for the others. Rescanned remediated areas. Applied EMC data processing to corrected results for scan locations that remain elevated. Basis for Action Taken: Technical basis memorandum FS-01 8-03 provides guidance for correcting SDMS determined scan results for locations that exceed the investigation level by subtracting instrument background from the field results. B-130

TROJAN FINAL SURVEYREPORT- SPENTFUELPOOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093X Classification: Class I Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (m2 ): 120 Southeast Floor Area Discussion of Anomalous Measurement Data (Continued) Investigation #2 Summary Reason for Investigation: Fifteen alpha static measurements exceeded the investigation level. Elevated Measurement Comparison (EMC): DCGL (Investigation Level): 28 Measurement Units: dpm/lOOcm 2 Maximum Value: 68 Size of Area Exceeding DCGL (m2 ): 0.2 Size of Survey Unit (M2 ): 120 Survey Unit Area >DCGL (%): 0.17 EMC Value: 140 Action Taken: Applied EMC data processing to elevated alpha static measurement results. Basis for Action Taken: Sum of small, localized areas of elevated alpha radioactivity identified during static surveys is less than 1 m2 and allowed the EMC DCGL of 5.0 x DCGL to be applied. B-131

TROJAN FINAL SURVEY REPORT-SPENTFUELPOOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093X Classification: Class I Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (m2 ): 120 Southeast Floor Area Unitv Rule Evaluation Survey Unit Values Value I DCGL Ratios Ratio Bkg Ref Area Values Location # Beta Alpha Beta Alpha Sum (Y) Beta* Alpha* S93X01 1,902 31 0.254 1.107 1.361 947 27 S93X02 1,207 6 0.161 0.214 0.375 1,062 21 S93X03 1,614 6 0.215 0.214 0.429 985 55 S93X04 1,987 43 0.265 1.536 1.801 959 68 S93X05 2,033 19 0.271 0.679 0.950 955 96 S93X06 1,896 25 0.253 0.893 1.146 897 41 S93X07 1,922 37 0.256 1.321 1.578 947 7 S93X08 1,692 43 0.226 1.536 1.761 886 41 S93X09 1,823 43 0.243 1.536 1.779 1,016 21 S93X10 1,791 68 0.239 2.429 2.667 840 41 S93XII 1,876 56 0.250 2.000 2.250 782 14 S93X12 1,148 25 0.153 0.893 1.046 970 27 S93X13 1,049 19 0.140 0.679 0.818 951 55 S93X14 1,922 50 0.256 1.786 2.042 982 7 S93XIS 2,066 37 0.275 1.321 1.597 828 27 S93X16 1,168 25 0.156 0.893 1.049 859 41 S93X17 774 37 0.103 1.321 1.425 916 34 S93X18 1,069 12 0.143 0.429 0.571 767 41 S93X19 1,108 43 0.148 1.536 1.683 962 27 S93X20 1,732 31 0.231 1.107 1.338 859 27 S93X21 1,869 25 0.249 0.893 1.142 947 .27 S93X22 1,056 12 0.141 0.429 0.569 863 14 S93X23 971 12 0.129 0.429 0.558 890 34 S93X24 859 25 0.115 0.893 1.007 855 21 S93X25 1,771 25 0.236 0.893 1.129 828 55-S93X26 1,856 43 0.247 1.536 1.783 1,039 27 S93X27 1,240 0 0.165 0.000 0.165 993 68 S93X28 1,161 19 0.155 0.679 0.833 863 21 S93X29 1,850 50 0.247 1.786 2.032 878 34 S93X30 1,004 19 0.134 0.679 0.812 1,043 7 S93X31 859 0 0.115 0.000 0.115 S93X32 872 12 0.116 0.429 0.545 S93X33 1,476 19 0.197 0.679 0.875 S93X34 1,915 43 0.255 1.536 . 1.791 mean: 1.207 maximum: 2.667 Values from B02027B0 I, which are measurements 1- 30 from background reference data set B04045Y01.

      "Values from background reference area survey unit B02027B02.

Note: Highlighted background values to track for Wr Since Y mean > Unity DCGL (1.207 > 1.0), go to means test. Means test DM - (YMax - BMin) - (2.667 -0.376) - 2.291 > Unity DCGL DA = (YMean - BMean) = (1.207 - 1.344) -0.14 < Unity DCGL Passesmeans test Since DM >DCGL & DA < DCGL, go to WRS test for unity rule evaluation (see last page). B-132

TROJAN FINAL SURVEY REPORT-SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093X Classification: Class 1 Size (M2 ): 120 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Southeast Floor Area Unitv Rule Evaluation (Continued) Value/ DCOL Ratios Ratio Sum+ I 0.126 0.964 0.115 0.142 0.750 0.165 0.131 1.964 0.375 0.128 2.429 OA29 0.127 3.429 0.545 0.120 1.464 0.558 0.126 0.2SO 0.376', 0.569 0.118 1.464 0.571 0.135 0.750 0.812 0.112 1.464 0.818 0.104 0.500 0.833 0.129 0.964 0.875 0.127 1.964 0.950 0.131 0.250 1.007 0.110 0.964 1.046 0.115 1.464 1.049 0.122 1.214 1.336 1.129 0.102 1.464 1.142 0.128 0.964 1.146 0.115 0.964 1.338 0.126 0.964 0.115 0.500 0.119 1.214 0.114 0.750 0.110 1.964 0.139 0.964 1.1031 0.132 2.429 2.561 ! 0.115 0.750 0.865, 0.117 1.214 1.331 ! 0.139 0.250 0.389 mean: 1.344 minimum: 0.376 2.250 49.0 B-133

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093X Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (m2 ): 120 Southeast Floor Area Unity Rule Evaluation (Continued) WRS Test: k = MARSSIM equation 1.1 k = m(n + m +1)t2 +z(P)12 where: m number of Z =30 n number of Y 34 P= nmn(n+m+1)/12 - 5,525 z = 1.645, for 0.05 Type I error k = 30(34+30+1)/2 + 1.645(5525)t' k =975 + 1.645(74.2) - 1097

Conclusion:

Since Wr > k (1388 > 1097), survey unit passes the unity rule, and, therefore, meets the release criteria. B-134

(C ( TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093X Classification: Class 1 Size (M2 ): 120 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Southeast Floor Area Static Measurement Locations Map B-135

TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04061 G Classification: Class 1 Survey Unit Name: FB 61' Elevation- SFP Heat Exchanger Room Size (m2 ): 155 Data Oualitv Values - Beta Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Tvpe Code Meas. Unit DCGL SGN WRS 1 36 DPM/100 CM2 7.500e+003 Statistical Quantities Measurement Name: Minimum Value 9.487e+002 Maximum Value 2.437e+003 Range 1.488e+003 Median 1.401e+003 Std. Deviation : 4.405e+002 Mean 1.523e+003 95% UCL 1. 647e+003 Measurement Values Location Value Location Value Location Value 000001 1.321e+003 000018 1.097e+003 000035 2.400e+003 000002 1.500e+003 000019 1.407e+003 000036 2.375e+003 000003 1.414e+003 000020 9.549e+002 000004 1.383e+003 000021 1.407e+003 000005 1.376e+003 000022 1.445e+003 000006 1.500e+003 000023 1.327e+003 000007 9.487e+002 000024 1.352ei003 000008 9.921e+002 000025 1.693e+003 000009 1.389e+003 000026 1.389e+003 000010 1.482e+003 000027 l.llOe+003 000011 1.618e+003 000028 1.066e+003 000012 1.035e+003 000029 2.437e+003 000013 1.395e+003 000030 2.307e+003 000014 1.259e+003 000031 2.176e+003 000015 1.221e+003 000032 2.108e+003 000016 1.259e+003 000033 2.282e+003 000017 1.407e+003 000034 2.009e+003 B-136

TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04061G Classification: Class l Survey Unit Name: FB 61' Elevation- SFP Heat Exchanger Room Size (m2 ): 155 Measurement Data Statistical Evaluation - Beta Statistical Comparisons Statistical Quantities Calculated Acceptance Range: 1,488 Test Value Criteria Acceptable? Median: 1,401 Range 1,488 2,202 Pass Mean: 1,523 Median 0.278 0.500 Pass

• Std Dev: 440 Mean 1,523 6,000 Pass Minimum: 949 Std Dev 440 1,500 Pass Maximum: 2,437 All data less than DCGL; Sign statistical test not required. DCGL: *7,500 Number of Observation Plot Parameters Interval High End Low End Observations Frequency

     # of measurements:               36                  1          499        0               0           0%
            # of intervals:           11                  2          999     500                3           8%

Interval increment: 500 3 1,499 1,000 21 - 58% Minimum: 0 4 1,999 1,500 4 11% Maximum: 5,499 5 2,499 2,000 8 22% 6 2,999 2,500 0 0% Comment: 7 3,499 3,000 0 0% None. 8 3,999 3,500 0 0% 9 4,499 4,000 0 0% 10 4,999 4,500 0 0% 11 5,499 5,000 0 0% Total: 36 100% B-137

TROJAN FINAL SURVEY REPORT- SPENTFUEL POOL IAPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

SurveyUnitlD Code: S04061G Classification: Class I Survey Unit Name: FB 61' Elevation- SFP Heat Exchanger Room Size (m2): 155 Backeround Reference Area B02027B - Beta Statistical Quantities: Range  : 2.952e+002 Median  : 9.316e+002 Mean  : 9.189e+002 Std. Deviation:  : 7.670e+001

1. of Measurements: 30 Min Value: 7.668e+002. Max Value: 1.062e+003 Measurement Data Status Location Value Code 000001 9.470e+002 B 000002 1.062e+003 B 000003 9.854e+002 B 000004 9.585e+002 B 000005 9.547e+002 B 000006 8.972e+002 B 000007 9.470e+002 B 000008 8.857e+002 B 000009 1.016e+003 B 000010 8.397e+002 B 000011 7.821e+002 B 000012 9.700e+002 B 000013 9.508e+002 B 000014 9.815e+002 B 000015 8.282e+002 B 000016 8.588e+002 B 000017 9.163e+002 B 000018 7.668e+002 B 000019 9.623e+002 B 000020 8.588e+002 B 000021 9.470e+002 B 000022 8.627e+002 B 000023 8.895e+002 B 000024 8.550e+002 B 000025 8.282e+002 B 000026 1.039e+003 B 000027 9.930e+002 B 000028 8.627e+002 B 000029 8.780e+002 B 000030 1.043e+003 B B-138

TROJAN FINAL SURVEYREPORT-SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04061G Classification: Class 1 Survey Unit Name: FB 61' Elevation- SFP Heat Exchanger Room Size (m2 ): 155 Data Oualitv Values - Alpha Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS i.- 2 36 DPM/100 CM 2 2.800e+001 1.525e+003 Statistical Quantities Measurement Name: Minimum Value 6. 614e+000 Maximum Value 5.291e+001 Range 4.630e+001 Median 1.984e+001 Std. Deviation : 1.188e+001 Mean 2.297e+001 95% UCL 2. 631e+001 Measurement Values Location Value Location Value Location Value 000001 3. 307e+001 000018 1.323e+001 000035 3.307e+001 000002 1.984e+001 000019 3.307e+001 000036 3.307e+001 000003 1. 323e+001 000020 1.323e+001 000004 2.646e+001 000021 2.646e+001 000005 1.984e+001 000022 6.614e+000 000006 1.984e+001 000023 3.307e+001 000007 3. 968e+001 000024 1.323e+001 000008 1.984e+001 000025 1.984e+001 000009 2. 646e+001 000026 2.646e+001 000010 6. 614e+000 000027 6.614e+000 000011 1. 323e+001 000028 1 .323e+001 000012 3.968e+001 000029 3.307e+001 000013 1.323e+001 000030 4.630e+001 000014 6. 614e+000 000031 5.291e+001 000015 2. 646e+001 000032 3.307e+001 000016 1.323e+001 000033 2.646e+001 000017 6.614e+0.00 000034 1.984e+001 B-139

TROJANFINAL SURVEY REPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04061G Classification: Class 1 Survey Unit Name: FB 61' Elevation- SFP Heat Exchanger Room Size (m2): 155 Measurement Data Statistical Evaluation - Alpha Statistical Comparisons Statistical Quantities Calculated Acceptance Range: 46 Test Value Criteria Acceptable? Median: 20 Range 46 59 Pass Mean: 23 Median 0.247 0.500 Pass Std Dev: 12 Mean 23 28 Pass Minimum: 7 Std Dev 12 28 Pass Maximum: .53 WRS 1525 1131 Pass DCGL: 28 Data set passes the WRS statistical test as Wr (1525) is greater than k (1131). Data Frequency Distribution it C rJ I.. I.. 0 0 to 20 30 40 50 60 70 s0 90 100 9 19 29 39 49 59 69 79 29 99 109 Measured Radioactivity (dpm/100 cms) Number of Observation Plot Parameters Interval High End Low End Observations Frequency

     # of measurements:                   36                 1               9         0                5         14%
        - # of intervals:                 11                2               19        10                8         22%

Interval increment: 10 3 29 20 12 33% Minimum: 0 4 39 30 7 19% Maximum: 109 5 49 40 3 8% 6 59 50 1 3% Comment: 7 69 60 0 0% None. 8 79 70 0 0% 9 89 80 0 0% 10 99 90 0 0% 11 109 100 0 0% Total: 36 100% B-140

TROJANFINAL SURVEYREPORT- SPENTFUELPOOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04061G Classification: Class 1 Survey Unit Name: FB 61' Elevation- SFP Heat Exchanger Room Size (m2 ): 155 Background Reference Area B02027B - Alpha Statistical Quantities: Range  : 8.895e+001 Median  : 2.737e+001 Mean  : 3.421e+001 Std. Deviation:  : 2.017e+001

1. of Measurements: 30 Min Value: 6.842e+000 Max Value: 9.579e+001 Measurement Data Status Location Value Code 000001 2.737e+001 B 000002 2.053e+001 B 000003 5.473e+001 B 000004 6.842e+001 B 000005 9.579e+001 B 000006 4.105e+001 B 000007 6.842e+000 B 000008 4.105e+001 B 000009 2.053e+001 B 000010 4.105e+001 B 000011 1.368e+001 B 000012 2.737e+001 B 000013 5.473e+001 B 000014 6.842e+000 B 000015 2.737e+001 B 000016 4.105e+001 B 000017 3.421e+001 B 000018 4.105e+001 B 000019 2.737e+001 B 000020 2.737e+001 B 000021 2.737e+001 B 000022 1.368e+001 B 000023 3.421e+001 B 000024 2.053e+001 B 000025 5.473e+001 B 000026 2.737e+001 B 000027 6.842e+001 B 000028 2.053e+001 B 000029 3.421e+001 B 000030 6.842e+000 B B-141

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04061G Classification: Class 1 Survey Unit Name: FB 61' Elevation- SFP Heat Exchanger Room Size (m2 ): 155 Judgmental and Miscellaneous Measurement Data Measurement Type: Surface Scanning Beta Scan Coverage (%): 100 Measurement Units: dpm/lOOcm 2 Investigation Level: 7,500 Minimum Value: 761 Maximum Value: 7,454 Measurement Type: Removable Beta Number of Measurements: 36 Measurement Units: dpm/IOOcm 2 Investigation Level: 750 Minimum Value: 0 Maximum Value: 5 Measurement Type: Removable Alpha Number of Measurements: 36 Measurement Units: dpmnI00cm 2 Investigation Level: MDC Minimum Value: 0 Maximum Value: 5 Discussion of Anomalous Measurement Data Investigation #1 Summarv Reason for Investigation: Five beta scan measurements exceeded the investigation level. Elevated Measurement Comparison (EMC): DCGL (Investigation Level): 7,500 Measurement Units: dpm/l OOcm 2 Maximum Value: 9,818 Size of Area Exceeding DCGL (m 2 ): N/A Size of Survey Unit (m2 ): N/A Survey Unit Area >DCGL (%): N/A EMC Value: N/A Action Taken: Corrected measurement values for scan locations 005, 006, 008, 009, & 013 per guidance in memo FS-018-03. Replaced original scan results in SDMS with these results, which corrected to less than the investigation level. Basis for Action Taken: Technical basis memorandum FS-018-03 provides guidance for correcting SDMS determined scan results for locations that exceed the investigation level by subtracting instrument background from the field results. B-142

TROJAN FINAL SUR VEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04061G Classification: Class 1 Survey Unit Name: FB 61' Elevation- SFP Heat Exchanger Room Size (m 2): 155 Discussion of Anomalous Measurement Data (Continued) Investigation #2 Summarv Reason for Investigation: Eleven alpha static measurements exceeded the investigation level. Elevated Measurement Comparison (EMC): DCGL (Investigation Level): 28 Measurement Units: dpm/lOOcm 2 Maximum Value: 53 Size of Area Exceeding DCGL (m2 ): 0.14 Size of Survey Unit (m 2 ): 155 Survey Unit Area >DCGL (%): 0.09 EMC Value: 140 Action Taken: Applied EMC data processing to elevated alpha static measurement results. Basis for Action Taken: Sum of small, localized areas of elevated alpha radioactivity identified during static surveys is less than I m2 and allowed the EMC DCGL of 5.0 x DCGL to be applied B-143

TROJANFINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04061G Classification: Class 1 Survey Unit Name: FB 61' Elevation- SFP Heat Exchanger Room Size (m2 ): 155 Unitv Rule Evaluation Survey Unit Values Value I DCGL Ratios Ratio Bkg Ref Area Values Location g Beta Alpha Beta Alpha Sum (Y) Beta* Alpha" S61G01 1321  ;; 0.176 1.179 1.355 947 27 S61G02 1510 20 0.200 0.714 0.914 1062 21 S61G03 1414 13 0.189 0.464 0.653 985 55 S61 G04 1383 26 0.184 0.929 1.113 959 68 S61 G05 1376 20 0.183 0.714 0.898 955 96 S6 I G06 1500 20 0.200 0.714 0.914 897 41 S61G07 949 40 0.127 1.429 1.555 947 7 S6 IGOB 992 20 0.132 0.714 0.847 886 41 S61G09 13S9 26 0.185 0.929 1.114 1016 21 S61G00 1482 7 0.198 0.250 0.448 840 41 S6IGI I 1618 I3 0.216 0.464 0.680 782 14 S61G12 1035 40 0.13S 1.429 1.567 970 27 S61G13 1395 1; 0.186 0.464 0.650 951 55 S61G14 1259 7 0.168 0.250 0.418 982 7 S61G0S 1221 26 0.163 0.929 1.091 828 27 S61G 16 1259 13 0.168 0.464 0.632 859 41 S61G17 1407 7 0.188 0.250 0.438 916 34 S61GIS 1097 13 0.146 0.464 0.611 767 41 S61G19 1407 0.188 1.179- 1.366 962 27 13 S61G20 955 0.127 0.464 0.592 859 27 S61G21 1407 26 0.188 0.929 1.116 947 27 S61022 1445 7 0.193 0.250 0.443 863 14 S61G23 1327 33 0.177 1.179 1.356 890 34 S61G24 1352 13 0.180 0.464 - 0.645 855 21 S61G25 1693 20 0.226 0.714 0.940 828 55 S61G26 1389 26 0.185 0.929 1.114 1039 27 S61G27 3110 7 0.148 0.250 0.398 993 68 S61G25 1066 I3 0.142 0.464 0.606 863 21 S61G29 2437 33 0.325 1.179 1.504 878 34 S61G03 2307 46 0.308 1.643 1.950 1043 7 S61G31 2176 53 0.290 1.893 2.183 S61G32 2108 33 0.281 1.179 1.460 S61G33 2282 26 0.304 0.929 1.233 S61G34 2009 20 0.268 0.714 0.982 S61G35 2400  ;; 0.320 1.179 1.499 S61G36 - 2375 _. 0.317 1.179 1.495 mean: 1.022

       'Values from B02027B which are measurement values 1- 30 from background reference data set B04045Y01.
       "Values from background reference area survey unit B02027B.

Note: Highlighted background values to track for Wr Since Y mean > Unity DCGL (1.022 > 1.0), go to means test. Means tcst: DM = (YMax - BMin) - (2.183 - 0.376) = 1.807 > Unity DCGL DA (YMean - BMean) = (1.022 - 1.344) = -0.322 < Unity DCGL Passes means test Since DM >DCGL & DA < DCGL, go to WRS test for unity rule evaluation. B-144

TROJAN FINAL SURVEYREPORT-SPENTFUEL POOL IMPACTEDAREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04061G Classification: Class I Survey Unit Name: FB 61' Elevation- SFP Heat Exchanger Room Size (m2 ): 155 Unity Rule Evaluation (Continued) Value / DCGL Ratios Ratio Sum + I Beta Alpha Sum (B) (Z) Y. Z POOL RANK' Z Rank 0 0.126 0.964 1.091 2.091 0.398 1.0 29.0 0.142 0.750 0.892 1.892 0.41S 2.0 30.0 0.131 1.964 2.096 3.096 0.438 3.0 31.0 0.128 2.429 2.556 3.556 0.443 4.0 38.0 0.127 A.429 3.556 4.556 0.448 5.0 39.0 0.120 1.464 1.584 2.584 0.592 6.0 40.0 0.126 0.250 0.376 1.;76 0.606 7.0 41.0 0.118 1.464 1.582 2.582 0.611 8.0 42.0 0.135 0.750 0.885 1.885 0.632 9.0 43.0 0.112 1.464 1.576 2.576 0.645 10.0 45.0 0.104 0.500 0.604 1.604 0.650 11.0 46.0 0.129 0.964 1.094 2.094 0.653 12.0 47.5 0.127 1.964 2.091 3.091 0.6S0 13.0 47.5 0.131 0.250 0.381 1.381 0.847 14.0 49.0 0.110 0.964 1.075 2.075 0.898 15.0 50.0 0.115 1.464 1.579 2.579 0.914 16.5 51.0 0.122 1.214 1.336 2.336 0.914 16.5 53.0 0.102 1.464 1.567 2.567 0.940 18.0 54.0 0.128 0.964 1.093 2.093 0.982 19.0 55.0 0.115 0.964 1.079 2.079 1.091 20.0 56.0 0.126 0.964 1.091 2.091 1.113 21.0 57.0 0.115 0.500 0.615 1.615 1.114 22.5 58.0 0.119 1.214 1.333 2.333 1.114 22.5 59.0 0.114 0.750 0.864 1.864 1.116 24.0 60.0 0.110 1.964 2.075 3.075 1.233 25.0 61.0 0.139 0.964 1.103 2.103 1.355 26.0 62.0 0.132 2.429 2.561 3.561 1.356 27.0 63.0 0.115 0.750 0.865 1.865 1.366 28.0 64.0 0.117 1.214 1.331 2.331 1.376 29.0 65.0 0.139 0.250 0.389 1.389 1.381 30.0 66.0 1.389 31.0 1502.0 1.460 32.0 Z Rank Sum = Wr 1.495 33.0 1.499 34.0 1.504 35.0 1.555 36.0 mean: 1.344 1.567 37.0 1.604 38.0 WRS Test: 1.615 39.0 k MARSSIM equation 1.l 1.864 40.0 k = m(n + m + 1)/2 +z(P)" 1.865 41.0 where: n = 36 1.885 42.0 m=30 1.892 43.0 P-nm(n+m+1)/12 - 6,030 1.950 44.0 z = 1.645, for 0.05 Type I error 2.075 45.0 k = 30(36-30-.I)'2 + 1.645(6.030)"' 2.079 46.0 k = 1005 + 1.645(77.7) = 1020 2.091 47.5 2.091 47.5 B-145

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04061G Classification: Class 1 Survey Unit Name: FB 61' Elevation- SFP Heat Exchanger Room Size (m2 ): 155 Unitv Rule Evaluation (Continued)

Conclusion:

2.093 49.0 Since Wr > k (1502 > 1020), survey unit passes the 2.094 50.0 unity rule, and, theretbre, mects the release criteria. 2.103 51.0 2.183 52.0 2.331 53.0 2.333 54.0 2.33 6 55.0 2.567 56.0 2.576 57.0 2.579 58.0 2.582 59.0 2.584 60.0 3.075 61.0 3.091 62.0 3.096 63.0 3.556 64.0 3.561 65.0 4.556 66.0 B-146

( ( C. TROJAN FINAL SUR VEY REPORT- sPENTFUEL POOL IMPACTRI)ARRA.V FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code- S04061G Classification: Class 1 Survey Unit Name: FB 61' Elevation- SFP Heat Exchanger Room Size (m2 ): 155 Static Measurement Locations Map B-147

TROJAN FINAL SUR VEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05045M Classification: Class 1 Survey Unit Name: AB 45' Elevation- Spent Fuel Pool Size (in2 ): 131 Cooling and Purification Pump Rooms Data Oualitv Values - Beta Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS 1 30 DPM/100 CM2 7.500e+003 Statistical Quantities Measurement Name: Minimum Value 3.987e+002 Maximum Value 2.703e+003 Range 2.304e+003. Median 7.343e+002 Std. Deviation 7.735e+002 Mean 1.121e+003 95% UCL 1.361e+003 Measurement Values Location Value Location . Value 000001 1.271e+003 000018 3.987e+002 000002 2. 139e+003 000019 9.125e+002 000003 2. 381e+003 000020 9.585e+002 000004 2. 164e+003 000021 8.550e+002 000005 2.282e+003 000022 7. 515e+002 000006 2. 319e+003 000023 4.486e+002 000007 2.400e+003 000024 5.789e+002 000008 2.282e+003 000025 7. 170e+002 000009 2.703e+003 000026 7.898e+002 000010 1. 127e+003 000027 6.863e+002 000011 4.678e+002 000028 6.748e+002 000012 5. 713e+002 000029 4.946e+002 000013 5.329e+002 000030 5.904e+002 000014 5.559e+002 000015 5.789e+002 000016 5.368e+002 000017 4. 601e+002 B-148

TROJAN FINAL SUR VEYREPORT- SPENT FUEL POOLIMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05045M Classification: Class 1 Survey Unit Name: AB 45' Elevation- Spent Fuel Pool Size (m2 ): 131 Cooling and Purification Pump Rooms Measurement Data Statistical Evaluation - Beta Statistical Comparisons Statistical Quantities Calculated Acceptance Range: 2,304 Test Value Criteria Acceptable? Median: 735 Range 2,304 3,867 Pass Mean: 1,121 Median 0.500 0.500 Pass Std Dev: 773 Mean 1,121 6,000 Pass Minimum: 399 Std Dev 773 1,500 Pass Maximum: 2,703 All data less than DCGL; Sign statistical test not required. DCGL: 7,500 Data Frequency Distribution U C.0 fr. 0 0 0oo 1,000 1.500 2,000 2.500 3,000 3.500 4,000 4.500 S*000 499 999 1.499 .99 2,499 2.99 3.499 3A9m 4.499 4,999 5.499 Measured Radioactivity (dpm/100 cm 2) Number of Observation Plot Parameters Interval High End Low End Observations Frequency

       # of measurements:                     30                   1            499            0                 5         17%
               # of intervals:                 11                 2             999          500                15         50%

Interval increment: 500 3 1,499 1,000 2 7% Minimum: 0 4 1,999 1,500 0 0% Maximum: 5,499 5 2,499 2,000 7 23% 6 2,999 2,500 1 3% Comment: 7 3,499 3,000 0 0% None. 8 3,999, 3,500 0 0% 9 4,499 4,000 0 0% 10 4,999 4,500 0 0% 11 5,499 5,000 0 0% Total: 30 100% B-149

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05045M Classification: Class 1 Survey Unit Name: AB 45' Elevation- Spent Fuel Pool Size (m2 ): 131 Cooling and Purification Pump Rooms Background Reference Area B02027B - Beta Statistical Quantities: Range  : 2.952e+002 Median  : 9.316e+002 Mean  : 9.189e+002 Std. Deviation:  : 7.670e+001

# of Measurements: 30       Min Value:    7
                                            .668e+002                           Max Value:                  1.062e+003 Measurement                                                                               Data Status Location                       Value                                                           Code 000001                            9.470e+002                                                          B 000002                            1.062e+003                                                          B 000003                            9.854e+002                                                          B 000004                            9.585e+002                                                          B 000005                            9.547e+002                                                         B 000006                            8.972e+002                                                          B 000007                            9.470e+002                                                          B 000008                            8.857e+002                                                         B 000009                            1.016e+003                                                         B 000010                            8.397e+002                                                         B 000011                            7.821e+002                                                         B 000012                            9.700e+002                                                         B 000013                            9.508e+002                                                         B 000014                            9.815e+002                                                         B 000015                             8.282e+002                                                         B 000016                            8.588e+002                                                          B 000017                            9.163e+002                                                          B 000018                            7.668e+002                                                          B 000019                             9.623e+002                                                         B 000020                            8.588e+002                                                          B 000021                             9.470e+002                                                         B 000022                            8.627e+002                                                          B 000023                            8. 895e+002                                                         B 000024                            8.550e+002                                                          B 000025                            8.282e+002                                                          B 000026                            1.039e+003                                                          B 000027                            9.930e+002                                                          B 000028                            8.627e+002                                                          B 000029                            8.780e+002                                                          B 000030                            1.043e+003                                                          B B-150

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05045M Classification: Class 1 'Survey Unit Name: AB 45' Elevation- Spent Fuel Pool Size (m2 ): 131 Cooling and Purification Pump Rooms Data Quality Values - Alpha Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS 2 30 DPM/100 CM 2 2. 800e+001 1.337e+003 Statistical Quantities Measurement Name: Minimum Value O.OOOe+000 Maximum Value 6. 842e+001 Range 6. 842e+001 Median 2.053e+001 Std. Deviation  : 1.397e+001 Mean 2.303e+001 95% UCL 2.736e+001 Measurement Values Location Value Location Value 000001 1.368e+001 000018 6.842e+000 000002 2.737e+001 000019 3.421e+001 000003 6.842e+000 000020 2.737e+001 000004 2.737e+001 000021 2.053e+001 000005 2.737e+001 000022 2.053e+001 000006 2. 737e+001 000023 1. 368e+001 000007 1.368e+001 000024 2.737e+001 000008 3. 421e+001 000025 4.105e+001 000009 1.368e+001 000026 0.OOOe+000 000010 4. 105e+001 000027 4.105e+001 000011 1.368e+001 000028 3.421e+001 000012 2.053e+001 000029 2.737e+001 000013 1.368e+001 000030 1.368e+001 000014 1.368e+001 000015 6.842e+000 000016 1.368e+001 000017 6.842e+001 B-151

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05045M Classification: Class 1 Survey Unit Name: AB 45' Elevation- Spent Fuel Pool Size (m2 ): 131 Cooling and Purification Pump Rooms Measurement Data Statistical Evaluation - Alpha Statistical Comparisons Statistical Quantities Calculated Acceptance Range: 68 Test Value Criteria Acceptable? Median: 21 Range 68 69 Pass Mean: 23 Median 0.150 0.500 Pass Std Dev: 14 Mean 23 28 Pass Minimum: 0 Std Dev 14 28 Pass Maximum: 68 WRS 1337 1026 Pass DCGL: 28 Data set passes the W'RS statistical test as Wr (1337) is greater than k (1026). Data Freouency Distribution 35% C. a-C. 0 0 20 20 30. 40 50 60 70 t0 90 100 9 19 29 39 49 59 69 79 19 99 109 Measured Radioactivity (dpmIlOO cm2) Number of Observation Plot Parameters Interval High End Low End Observations Frequency

       # of measurements:                 30                  1               9         0                 4         13%
              # of intervals:             11                 2               19        10                 9         30%

Interval increment: 10 3 29 20 10 33% Minimum: 0 4 39 30 3 10% Maximum: 109 .5 49 40 3 10% 6 59 50 0 0% Comment: 7 69 60 1 3% None. 8 79 70 0 0% 9 89 80 0 0% 10 99 90 0 0% 11 109 100 0 0% Total: 30 100% B-152

TROJAN FINAL SUR VEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05045M Classification: Class 1 Survey Unit Name: AB 45' Elevation- Spent Fuel Pool Size (in2 ): 131 Cooling and Purification Pump Rooms Background Reference Area B02027B - Alpha Statistical Quantities: Range  : 8 .895e+001 Median  : 2.737e+001 Mean  : 3.421e+001 Std. Deviation:  : 2.017e+001

# of Measurements:      30    Min Value: 6.842e+000                                 Max Value:                  9.579e+00.

Measurement Data Status Location Value . Code 000001 2.737e+001 B 000002 2.053e+001 B 000003 5.473e+001 B 000004 6.842e+001 B 000005 9.579e+001 B 000006 4.105e+001 B 000007 6. 842e+000 B 000008 4.105e+001 B 000009 2.053e+001 B 000010 4.105e+001 B 000011 1.368e+001 B 000012 2.737e+001 B 000013 5.473e+001 B 000014 6.842e+000 B 000015 2.737e+001 B 000016 4.lOSe+001 B OOOQ17 3.421e+001 B 000018 4.105e+001 B 000019 2.737e+001 B 000020 2.737e+001 B I000021 2.737e+001 B I000022 1.368e+001 B I000023 3.421e+001 B I000024 2.053e+001 B I000025 5.473e+001 B 2 I000026 .737e+001 B 000027 6.842e+001 B 000028 2.053e+001 B

 )00029                              3.421e+001                                                           B
 )00030                              6.842e+000                                                           B B-153

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05045M Classification: Class 1 Survey Unit Name: AB 45' Elevation- Spent Fuel Pool Size (m): 131 Cooling and Purification Pump Rooms Jud2mental and Miscellaneous Measurement Data Measurement Type: Surface Scanning Beta Scan Coverage (%): 100 Measurement Units: dpm/100cm 2 Investigation Level: 7,500 Minimum Value: 604 Maximum Value: 6,848 Measurement Type: Removable Beta Number of Measurements: 30 Measurement Units: dpm/lOOcm 2 Investigation Level: 750 Minimum Value: 0 Maximum Value: 2 Measurement Type: Removable Alpha Number of Measurements: 30 Measurement Units: dpmn/100cm 2 Investigation Level: MDC Minimum Value: 0 Maximum Value: 3 Discussion of Anomalous Measurement Data Investigation #1 Summary Reason for Investigation: One beta scan measurement exceeded the investigation level. Elevated Measurement Comparison (EMC): DCGL (Investigation Level): 7,500 Measurement Units: dpm/l 00cm2 Maximum Value: 7,753 Size of Area Exceeding DCGL (mi): N/A Size of Survey Unit (m2 ): N/A Survey Unit Area >DCGL (%): N/A EMC Value: N/A Action Taken: Corrected measurement values for scan location per guidance in memo FS-018-03; used similar method for elevated scan measurements obtained with a 43-68 gas flow proportional detector. Replaced original scan result in SDMS with this result, which corrected to less than the investigation level. Basis for Action Taken: Technical basis memorandum FS-018-03 provides guidance for correcting SDMS determined scan results for locations that exceed the investigation level by subtracting instrument background from the field results. B-154

TROJAN FINAL SUR VEYREPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05045M Classification: Class 1 Survey Unit Name: AB 45' Elevation- Spent Fuel Pool Size (m2 ): 131 Cooling and Purification Pump Rooms Discussion of Anomalous Measurement Data (Continued) Investigation #2 Summary Reason for Investigation: Seven alpha static measurements exceeded the investigation level. Elevated Measurement Comparison (EMC): DCGL (Investigation Level): 28 Measurement Units: dpm/1 00cm2 Maximum Value: 68 Size of Area Exceeding DCGL (mi): .0.1 Size of Survey Unit (m 2 ): 131 Survey Unit Area >DCGL (%): <0.1 EMC Value: 140 Action Taken: Applied EMC data processing to elevated alpha static measurement results. Basis for Action Taken: Sum of small, localized areas of elevated alpha radioactivity identified during static surveys is less than I M2 and allowed the EMC DCGL of 5.0 x DCGL to be applied. B-155

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOLIMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05045M Classification: Class I Survey Unit Name: AB 45' Elevation- Spent Fuel Pool Size (m2 ): 131 Cooling and Purification Pump Rooms Unitv Ruie Evaluation Survey Unit Values Value / DCGL Ratios Ratio Bkg Ref Area Values Location 9 Beta Alpha Beta Alpha Sum (Y) Beta Alpha** S45MOI 1,271 14 0.169 0.500 0.669 947 27 S45M02 2139 27 0.285 0.964 1.249 1062 21 S45M03 2381 7 0.317 0.250 0.567 985 55 S45M04 2164 27 0.289 0.964 1.253 959 68 S45M05 2282 27 0.304 0.964 1.269 955 96 S45M06 2319 27 0.309 0.964 1.273 897 41 S45M07 2400 14 0.320 0.500 0.820 947 7 S45M08 2282 34 0.304 1.214 1.519 886 41 S45M09 2703 14 0.360 0.500 0.860 1016 21 S45M10 1127 41 0.150 1.464 1.615 840 41 S45MI I 468 14 0.062 0.500 0.562 782 14 S45M12 571 21 0.076 0.750 0.826 970 27 S45M13 533 14 0.071 0.500 0.571 951 55 S45M14 556 14 0.074 0.500 0.574 982 7 S45M15 579 7 0.077 0.250 0.327 828 27 S45M16 537 14 0.072 0.500 0.572 859 41 S45M17 460 68 0.061 2.429 2.490 916 34 S45M18 399 7 0.053 0.250 0.303 767 41 S45M19 913 34 0.122 1.214 1.336 962 27 S45M20 959 27 0.128 0.964 1.092 859 27 S45M21 855 21 0.114 0.750 0.864 947 27 S45M22 752 21 0.100 0.750 0.850 863 14 S45M23 449 14 0.060 0.500 0.560 890 34 S45M24 580 27 0.077 0.964 1.042 855 21 S45M25 717 41 0.096 1.464 1.560 828 55 S45M26 790 0 0.105 0.000 0.105 1039 27 S45M27 686 - 41 0.091 1.464 1.556 993 68 S45M28 675 34 0.090 1.214 1.304 863 21 S45M29 495 27 0.066 0.964 1.030 878 34 S45M30 590 14 0.079 0.500 0.579 1043 7 mean: 0.973

     *Values from B02027B which are measurement values 1- 30 from background reference data set B04045Y01.
     **Values from background reference area survey unit B02027B.

Note: Highlighted background values to track for Wr Beta DCGL = 7,500 Alpha DCGL = 28 Unity "DCGL" - I Since Y mean < Unity DCGL (0.973 < 1.0), means test not required. Since at least one unity value >DCGL (1.0), WRS test required. B-156

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05045M Classification: Class 1 Survey Unit Name: AB 45' Elevation- Spent Fuel Pool Size (m2 ): 131 Cooling and Purification Pump Rooms Unity Rule Evaluation (Continued) Value / DCGL Ratios Ratio Surn + I Rank Sum - Wr k - m(n + m +1)12 +z(P)u2 where: n - 30 m-30 P- mn(n+rn+11li - 4,575 z - 1.645, for 0.05 Type I error k 30(30+30+1)12 + I .645(4,575)"t k - 915 + 1.645(67.6) - 1026

Conclusion:

Since Wr > k (1333 > 1026), survey unit passes the unity rule, and, therefore, meets the release criteria. B-157

TROJANFINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05045M Classification: Class 1 Survey Unit Name: AB 45' Elevation- Spent Fuel Pool Size (m2 ): 131 Cooling and Purification Pump Rooms Unih, Rule Evaluation (Continued) B-158

C RJc TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL IMPACTEn AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05045M Classification: Class I Survey Unit Name: AB 45' Elevation- Spent Fuel Pool Cooling and Purification Pump Rooms Size (m2 ): 131 Static Measurement Locations Map B-159

C TROJAN FINAL SUR TROJANFINAL SURVEY VEY REPORT- SPENT FUEL POOL REPORT- SPENTCFUEL POOL IMPACTEDAREAS IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05045M Classification: Class 1 Survey Unit Name: AB 45' Elevation- Spent Fuel Pool Cooling and Purification Pump Rooms Size (M2 ): 131 Static Measurement Locations Map 3 SO I ISTEEEI EL Sl-r 11L5r-r LOOKING EAST LOOKING SOUTH AT COL.LimE0 AT LULDE 55

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3 4 5 /C. r ZFP C EI nl/tPWICATw -tRO 4-WW tt S6 M uA2 (MTERS1 osAREA a v n a 2v 1", _. A_ B-160

TROJAN FINAL SUR VEY REPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05077N Classification: Class I Survey Unit Name: AB 77' Elevation- Filter Pit "D" Size (mi2 ): 36 Data Oualitv Values - Beta Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS 1 31 DPM/100 CM2 7.500e+003 Statistical Quantities Measurement Name: Minimum Value 4.507e+002 Maximum Value 2.388e+003 Range 1.937e+003 Median 1.287e+003 Std. Deviation 5.775e+002 Mean 1.231e+003 95% UCL 1.407e+003 Measurement Values Location Value Location Value 000001 2.308e+003 000018 5.424e+002 000002 2.181e+003 000019 6.581e+002 000003 2.388e+003 000020 5.025e+002 000004 2.041e+003 000021 6.381e+002 000005 1.461e+003 000022 4.507e+002 000006 1.907e+003 000023 8. 615e+002 000007 1.287e+003 000024 5. 145e+002 000008 1. 601e+003 000025 7.498e+002 000009 1.594e+003 000026 8.415e+002 000010 1. 321e+003 000027 6.979e+002 000011 1.487e+003 000028 1.181e+003 000012 1.367e+003 000029 1.061e+003 000013 1.474e+003 000030 1.081e+003 000014 1.827e+003 000031 6.102e+002 000015 1.461e+003 000016 1.521e+003 000017 5.424e+002 B-161

TROJAN FINAL SURVEYREPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05077N Classification: Class 1 Survey Unit Name: AB 77' Elevation- Filter Pit "D" Size (m2 ): 36 Measurement Data Statistical Evaluation - Beta Statistical Comparisons Statistical Quantities Calculated Acceptance Range: 1,937 Test Value Criteria Acceptable? Median: 1,287 Range 1,937 2,888 Pass Mean: 1,231 Median 0.097 0.500 Pass Std Dev: 578 Mean 1,231 6,000 Pass Minimum: 451 Std Dev 578 1,500 Pass Maximum: 2,388 All data less than DCGL; Sign statistical test not required. DCGL: 7,500 Number of Observation Plot Parameters Interval High End Low End Observations Frequency

    # of measurements:              31                   1         499        0              1           3%
          # of intervals:            11                  2         999      500             11         35%

Interval increment: 500 3 1,499 1,000 10 32% Minimum: 0 4 1,999 1,500 5 16% Maximum: 5,499 5 2,499 2,000 4 13% 6 2,999 2,500 0 0% Comment: 7 3,499 3,000 0 0% None. 8 3,999 3,500 0 0% 9 4,499 4,000 0 0% 10 4,999 4,500 0 0% 11 5,499 5,000 0 0% Total: 31 100% B-162

TROJAN FINAL SUR VEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05077N Classification: Class 1 Survey Unit Name: AB 77' Elevation- Filter Pit "D" Size(m2): 36 Background Reference Area B04045N - Beta Statistical Quantities: Range  : 2 .950e+002 Median  : 9 .200e+002 Mean  : 9 .190e+002 Std. Deviation:  : 7.539e+001

# of Measurements: 31                                        Min Value: 7.668e+002          Max Value:     1.062e+003 Measurement                                                                                       Data Status Location                                                          Value                           Code 000001                                                                9.470e+002 000002                                                                1.062e+003                       B 000003                                                                9.854e+002                       B 000004                                                                9. 585e+002                      B 9

000005 .547e+002 B 8 000006 .972e+002 B 000007 9.470e+002 B 000008 8.857e+002 B 000009 1.016e+003 B 000010 8.397e+002 B 7 000011 .821e+002 B 000012 9.700e+002 B 000013 9. 508e+002 B 000014 9. 815e+002 B 000015 8.282e+002 B 000016 8.588e+002 B 000017 9.163e+002 B 7 000018 .668e+002 B 000019 9.623e+002 B 000020 8.588e+002 B 000021 9.470e+002 B 000022 8. 627e+002 B 000023 8.895e+002 B 8 000024 .550e+002 B 8 2 000025 . 82e+002 B I000026 1.039e+003 B 9 I000027 .930e+002 B I000028 8. 627e+002 B I000029 8.780e+002 B I 000030 1.043e+003 B I000031 9. 202e+002 B B-163

TROJANFINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05077N Classification: Class 1 Survey Unit Name: AB 77' Elevation- Filter Pit "D" Size (m2 ): 36 Data Oualitv Values - Alpha Type 1 Error  : 5.000e-002 Type 2 Error  : S.OOOe-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS 2 31 DPM/100 CM 2 2.800e+001 1.409e+003 Statistical Quantities Measurement Name: Minimum Value 6.614e+000 Maximum Value 7.937e+001 Range 7 .276e+001 Median 2.646e+001 Std. Deviation  : 1. 687e+001 Mean 2. 88 Oe+O01 95% UCL 3.394e+001 Measurement Values Location Value Location Value 000001 3.968e+001 000018 1. 984e+001 000002 2. 646e+001 000019 6. 614e+000 000003 3. 968e+001 000020 1.323e+001 000004 6. 614e+000 000021 3.968e+001 000005 2. 646e+001 000022 1. 323e+001 000006 4. 630e+001 000023 2. 646e+001 000007 3.307e+001 000024 1.984e+001 000008 1. 323e+001 000025 1.984e+001 000009 3.307e+001 000026 2. 646e+001 000010 6. 614e+000 000027 4.630e+001 000011 2.646e+001 000028 3.307e+001 000012 3.307e+001 000029 7.937e+001 000013 3. 968e+001 000030 5.291e+001 000014 5. 952e+001 000031 1. 323e+001 000015 1.984e+001 000016 2 .646e+001 000017 6. 614e+000 B-164

TROJAN FINAL SURVEYREPORT-SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05077N Classification: Class 1 Survey Unit Name: AB 77' Elevation- Filter Pit "D" Size (M 2 ): 36 Measurement Data Statistical Evaluation - Alpha Statistical Comparisons Statistical Quantities Calculated Acceptance Range: 72 Test Value Criteria Acceptable? Median: 26 Range 72 84 Pass Mean: 29 Median 0.165 0.500 Pass Sid Dev: 17 Mean 29 28 See comment below Minimum: 7 Std Dev 17 28 Pass Maximum: 79 WRS 1409 1093 Pass DCGL: 28 Data set passes the WRS statistical test as Wr (1409) is greater than k (1093). Data Freguency Distribution 3N% 25% 30% 3. 15% 0% o 10 20 30 40 So 60 70 10 90 100 9 19 29 39 49 59 69 79 29 99 109 Measured Radioactivity (dpmi/100 cms) Number of Observation Plot Parameters Interval High End Low End Observations Frequency

        # of measurements:                  31                   I              9          0                 4         13%
              # of intervals:               11                 2               19         10                 4         13%

Interval increment: 10 .3 29 20 10- 32% Minimum: 0 4. 39 30 4 13% Maximum: 109 5 49 40 6 19% Comment: 6 59 50 I 3% Data set fails initial means statistical quantities 7 69 60 I 3% test, which then requires a means test with a 8 79 70 I 3% background reference area data set. Since the 9 89 80 0 0% Survey Unit mean minus Reference Area mean 10 99 90 0 0% is less than the DCGL, the survey unit data set 11 109 100 0 0% passes that means test, and its acceptability is determined Total: 31 100% by the WRS test. Since the data set passes the WRS statistical test, all measurement values are valid and accepted. B-165

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05077N Classification: Class 1 Survey Unit Name: AB 77' Elevation- Filter Pit "D" Size (m2 ): 36 Background Reference Area B04045N - Alpha Statistical Quantities: Range  : 6.820e+001 Median  : 3.720e+001 Mean  : 4.220e+001 Std. Deviation:  : 1.883e+001

# of Measurements: 31                                Min Value: 6.200e+000        Max Value:     7.440e+001 Measurement                                                                            Data Status Location                                                    Value                         Code 000001                                                         3.720e+001                      B 000002                                                         5.580e+001                      B 000003                                                         5.580e+001                      B 000004                                                         3.100e+001                      B 000005                                                         2.480e+001                      B 000006                                                         3.100e+001                      B 000007                                                         6.200e+000                      B 000008                                                         1.860e+001                      B 000009                                                         5.580e+001                      B 000010                                                         3.100e+001                      B 000011                                                         7.440e+001                      B 000012                                                         5.580e+001                      B 000013                                                         6.200e+001                      B 000014                                                         4.340e+001                      B 000015                                                         4.340e+001                      B 000016                                                         3.100e+001                      B 000017                                                         3.100e+001                      B 000018                                                         1.240e+001                      B 000019                                                         6.820e+001                      B 000020                                                         2.480e+001                      B 000021                                                         6.820e+001                      B 000022                                                         3.100e+001                      B 000023                                                         3.720e+001                      B 000024                                                         6.820e+001                      B 000025                                                         6.200e+001                      B 000026                                                         2.480e+001                      B 000027                                                         5.580e+001                      B 000028                                                         4.960e+001                      B 000029                                                         1.860e+001                      B 000030                                                         3.100e+001                      B 000031                                                         6.820e+001                      B B-166

TROJANFINAAL SUR VEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05077N Classification: Class 1 Survey Unit Name: AB 77' Elevation- Filter Pit "D" Size (m2 ): 36 Jud2mental and Miscellaneous Measurement Data Measurement Type: Surface Scanning Beta Scan Coverage (%): 100 MeasurementUnits: dpm/lOOcm 2 Investigation Level: 7,500 Minimum Value: 869 Maximum Value: 7,417 Measurement Type: Removable Beta Number of Measurements: 31 Measurement Units: dpm/lOOcm 2 Investigation Level: 750 Minimum Value: 0 Maximum Value: 9 Smears not evaluated for Alpha activity and not available for recount. Discussion of Anomalous Measurement Data Investigation #1 Summary Reason for Investigation: Two beta scan measurements exceeded the investigation level. Elevated Measurement Comparison (EMC): DCGL (Investigation Level): 7,500 Measurement Units: dpm/1 00cm2 Maximum Value: 8,641 Size of Area Exceeding DCGL (m 2 ): N/A Size of Survey Unit (m2 ): N/A Survey Unit Area >DCGL (%): N/A EMC Value: NIA Action Taken: Corrected measurement values for scan location per guidance in memo FS-018-03. Replaced original scan results in SDMS with these results, which corrected to less than the investigation level. Basis for Action Taken: Technical basis memorandum FS-018-03 provides guidance for correcting SDMS determined scan results for locations that exceed the investigation level by subtracting instrument background from the field results. B-167

TROJAN FINAL SUR VEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05077N Classification: Class 1 Survey Unit Name: AB 77' Elevation- Filter Pit "D" Size (M2 ): 36 Discussion of Anomalous Measurement Data (Continued) Investigation #2 Summary Reason for Investigation: Twelve alpha static measurements exceeded the investigation level. Elevated Measurement Comparison (EMC): DCGL (Investigation Level): 28 Measurement Units: dpm/l OOcm 2 Maximum Value: 79 Size of Area Exceeding DCGL (m2 ): 0.2 Size of Survey Unit (m2 ): 36 Survey Unit Area >DCGL (%): 0.6 EMC Value: 140 Action Taken: Applied EMC data processing to elevated alpha static measurement results. Basis for Action Taken: Sum of small, localized areas of elevated alpha radioactivity identified during static surveys is less than 1 m2 and allowed the EMC DCGL of 5.0 x DCGL to be applied. B-168

TROJAN FINAL SUR VEYREPORT- SPENVTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05077N Classification: Class 1 Survey Unit Name: AB 77' Elevation- Filter Pit "D" Size (m2 ): 36 Unitv Rule Evaluation Survey Unit Values Value / DCGL Ratios Ratio Bkg Ref Area Values Location # Beta Alpha Beta Alpha Sum (Y) Beta Alpha** POI 2,308 40 0.308 1.429 1.736 947 37 P02 2,181 26 0.291 0.929 1.219 1,062 56 P03 2,388

• 40 0.318 1.429 1.747 985 56 P04 2,041 7 0.272 0.250 0.522 959 31 P05 1,461 26 0.195 0.929 1.123 955 25 P06 1,907 46 0.254 1.643 1.897 897 31 P07 - 1,287 33 0.172 1;179 1.350 947 6 P08 1,601 13 0.213 0.464 0.678 886 19 P09 1,594 33 0.213 1.179 1.391 1,016 56 PlO 1,321 7 0.176 0.250 0.426 840 31 Pll 1,487 26 0.198 0.929 1.127 782 74 P12 1,367 33 0.182 1.179 1.361 970 56 P13 1,474 40 0.197 1.429 1.625 951 62 P14 1,827 60 0.244 2.143 2.386 982 43 P15 1,461 20 0.195 0.714 0.909 828 43 P16 1,521 26 0.203 0.929 1.131 859 31 P17 542 7 0.072 0.250 0.322 916 31 P18 542 20 0.072 0.714 0.787 767 12 P19 658 7 0.088 0.250 0.338 962 68

        .P20             503          13        0.067      0.464       0.531                     859         25 P21             638          40        0.085      IA29        1.514                     947         68 P22             451          13        0.060      0.464       0.524                     863         31 P23             862          26        0.115      0.929       1.044                     890         37 P24             515          20        0.069      0.714       0.783                     855         68 P25             750          20        0.100      0.714       0.814                     828         62 P26              842         26        0.112      0.929        1.041                  1,039         25 P27             698          46        0.093      1.643        1.736                    993         56 P28           1,181          33        0.157      1.179       1.336                     863         50 P29           1,061          79        0.141      2.821       2.963                     878         19 P30           1,081          53        0.144      1.893       2.037                   1,043         31 P31             610          13       0.081      0.464       0.546                     920         68 mean:         1.192 First 31 measurement values from background reference data set B04045Y01.
     *'Values from B04045N02, which are first 31 values from background reference data set B04045Y02.

Note: Highlighted background values to track for Wr Beta DCGL = 7,500 Alpha DCGL - 28 Unity "DCGL"= I Since Y mean > Unity DCGL (1.2 > 1.0), go to means test. Means test: DM (YMax - BMin) - (2.963 - 0.348) - 1.268 > Unity DCGL DA = (YMean - BMean) = (1.192 - 1.630.) = -0.438 < Unity DCGL Passes means test Since DM >DCGL & DA < DCGL, go to WRS test for unity rule evaluation. B-169

TROJANFINAL SURVEY REPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05077N Classification: Class 1 Survey Unit Name: AB 77' Elevation- Filter Pit "D" Size (m2 ): 36 Unity Rule Evaluation (Continued) Value / DCGL Ratios Ratio Sum + I 1401 Rank Sum - Wr k = m(n + m +1)/2 +z(P)"2 where: n - 31 m 31 P- nm(n+m+1Y12 - 5,045 z - 1.645, for 0.05 Type I error k-31(31+31+1)12 + 1.645(5,045)' k - 977 + 1.645(71) - 1094

Conclusion:

Since Wr > k (1401 > 1094), survey unit passes the unity rule, and, therefore, meets the release criteria. B-170

TROJAN FINAL SUR VEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05077N Classification: Class 1 Survey Unit Name: AB 77' Elevation- Filter Pit "D" Size (m2 ): 36 Unity Rule Evaluation (Continued) B-171

C C TROJAN FINAL SURVEYREPORT- SPENT FUEL POOL IMIPACTED AREAS C FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05077N Classification: Class I Survey Unit Name: AB 77' Elevation- Filter Pit "D" Size (m2 ): 36 Static Measurement Locations Map I/

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B-172

TROJANFINIAL SURVEYREPORT- SPENTFUEL POOL IMPACTEDAREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05077P Classification: Class 1 Survey Unit Name: AB 77' Elevation- Filter Pit "E" Size (m2 ): 36 Data Oualitv Values - Beta Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS 1 32 DPM/100 CM2 7.500e+003 Statistical Quantities Measurement Name: Minimum Value 6. 581e+002 Maximum Value 2.814e+003 Range 2.156e+003 Median 1. 316e+003 Std. Deviation 6.252e+002 Mean 1.454e+003 95% UCL 1.641e+003 Measurement Values Location Value Location Value 000001 1.974e+003 000018 8.375e+002 000002 1.854e+003 000019 9. 651e+002 000003 1.634e+003 000020 7.259e+002 000004 2.181e+003 000021 8.335e+002 000005 2.067e+003 000022 9.372e+002 000006 1.534e+003 000023 7 . 617e+002 000007 2.188e+003 000024 9.213e+002 000008 1.807e+003 000025 1. 125e+003 000009 2.408e+003 000026 9.253e+002 000010 1.634e+003 000027 8.654e+002 000011 2. 154e+003 000028 1.292e+003 000012 2. 101e+003 000029 1.340e+003 000013 2.361e+003 000030 2.002e+003 000014 2.814e+003 000031 1.105e+003 000015 9.332e+002 000032 7.219e+002 000016 8.575e+002 000017 6.581e+002 B-173

TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05077P Classification: Class 1 Survey Unit Name: AB 77' Elevation- Filter Pit "E" Size (M 2 ): 36 Measurement Data Statistical Evaluation - Beta Statistical Comparisons Statistical Quantities Calculated Acceptance Range: 2,156 Test Value Criteria Acceptable? Median: 1,316 Range 2,156 3,126 Pass Mean: 1,454 Median 0.220 0.500 Pass Std Dev: 625 Mean 1,454 6,000 Pass Minimum: 658 Std Dev 625 1,500 Pass Maximum: 2,814 All data less than DCGL; WRS statistical test not required. DCGL: 7,500 Number of Observation Plot Parameters Interval High End Low End Observations Frequency

     # of measurements:              32                  I          499       0                0           0%
           # of intervals:           II                 2           999     500               13         41%

Interval increment: 500 3 1,499 1,000 4 - 13% Minimum: 0 4 1,999 1,500 6 19% Maximum: 5,499 5 2,499 2,000 8 25% 6 2,999 2,500 1 3% Comment: 7 3,499 3,000 0 0% None. 8 3,999 3,500 0 0% 9 4,499 4,000 0 0% 10 4,999 4,500 0 0% 11 5,499 5,000 0 0% Total: 32 100% B-174

TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05077P Classification: Class 1 Survey Unit Name: AB 77' Elevation- Filter Pit "E" Size (M2 ): 36 Background Reference Area B04045N - Beta Statistical Quantities: Range :2.950e+002 Median  : 9.200e+002 Mean  : 9 .190e+002 Std. Deviation:  : 7.539e+001

# of Measurements: 31                   Min    Value: 7.668e+002                                 Max Value:                  1.062e+003 Measurement                                                                                                Data Status Location                                     Value                                                              Code 000001                                           9.470e+002                                                            B 000002                                          1.062e+003                                                             B 000003                                           9.854e+002                                                            B 000004                                          9.585e+002                                                             B 000005                                          9.547e+002                                                             B 000006                                          8.972e+002                                                             B 000007                                          9.470e+002                                                             B 000008                                           8.857e+002                                                             B 000009                                           1.016e+003                                                             B 000010                                           8.397e+002                                                             B 000011                                          7.821e+002                                                             B 000012                                          9.700e+002                                                             B 000013                                          9.508e+002                                                             B 000014                                           9.815e+002                                                             B 000015                                          8.282e+002                                                             B 000016                                           8.588e+002                                                             B 000017                                           9.163e+002                                                             B 000018                                           7.668e+002          .B 000019                                           9.623e+002                                                            B 000020                                          8.588e+002                                                             B 000021                                           9.470e+002                                                            B 000022                                          8.627e+002                                                             B 000023                                          8.895e+002                                                             B 000024                                          8.550e+002                                                             B 000025                                          8.282e+002                                                             B 000026                                           1.039e+003                                                             B 000027                                          9.930e+002                                                             B 000028                                           8.627e+002                                                             B 000029                                          8.780e+002                                                             B 000030                                           1.043e+003                                                             B 000031                                          9.202e+002                                                             B B-175

TROJAN FINAL SUR VEYREPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05077P Classification: Class 1 Survey Unit Name: AB 77' Elevation- Filter Pit "E" Size (m2): 36 Data Oualitv Values - Alpha Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Tvpe Code Meas. Unit DCGL SGN WRS 2 . 32 DPM/100 CM2 2. 800e+001 1.298e+00' Statistical Quantities Measurement Name: Minimum Value 1. 323e+001 Maximum Value 1.058e+002 Range 9.257e+001 Median 3.968e+001 Std. Deviation 2.153e+001 Mean 4.568e'+001 95% UCL 5.213e+001 Measurement Values Location Value Location Value 000001 1. 323e+001 000018 3.307e+001 000002 4. 630e+001 000019 1.058e+002 000003 3. 307e+001 000020 5. 952e+001 000004 7.275e+001 000021 3.307e+001 000005 3. 307e+001 000022 3.968e+001 000006 2. 646e+001 000023 3. 968e+001 000007 4.630e+001 000024 5.952e+001 000008 7. 937e+001 000025 4.630e+001 000009 5. 952e+001 000026 7.275e+001 000010 3. 968e+001 000027 4 . 630e+001 000011 4. 630e+001 000028 5. 952e+001 000012 5.291e+001 000029 3. 307e+001 000013 3. 968e+001 000030 9.260e+001 000014 2. 646e+001 000031 1. 984e+001 000015 2. 646e+001 000032 1. 984e+001 000016 3. 968e+001 000017 1. 984e+001 B-176

TROJAN FINAL SURVEYREPORT- SPENTFUELPOOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05077P Classification: Class 1 Survey Unit Name: AB 77' Elevation- Filter Pit "E" Size (m2 ): 36 Measurement Data Statistical Evaluation - Alpha Statistical Comparisons Statistical Quantities Calculated Acceptance Range: 93 Test Value Criteria Acceptable? Median: 40 Range 93 108 Pass Mean: 46 Median 0.264 0.500 Pass Std Dev: 22 Mean 46 28 See comment below Minimum: 13 Std Dev 22 28 Pass Maximum: 106 WRS 1298 1111 Pass DCGL: 28 Data set passes the WRS statistical test as Wr (1298) is greater than k (III1). Data Frequency Distribution 35% 30% r 25% I1-20% 15% _ .X .- 0 5% _ M./ .MI . - . -- 0 10 20 30 40 50 60 70 sO 90 100 9 19 29 39 49 59 69 79 19 99 109 Measured Ridioactivity (dpm/100 cm') Number of Observation Plot Parameters Interval High End Low End Observations Frequency

        # of measurements:                    32                    1             9         0                0          0%
                # of intervals:               11                   2             19        10                1          3%

Interval increment: 10 3 29 20 6 19% Minimum: 0 4 39 30 5 16% Maximum: 109 5 49 40 10 31% 6 59 50 1 3% Comment: 7 69 60 4 13% Data set fails initial means statistical quantities 8 79 70 3 9% test, which then requires a means test with a 9 89 80 0 0% background reference area data set. Since the 10 99 90 1 3% Survey Unit mean minus Reference Area mean 11 109 100 1 3% is less than the DCGL, the survey unit data set Total: 32 100% passes that means test, and its acceptability is determined by the WRS test. Since the data set passes the WR S statistical test, all measurement values are valid and accepted. B-177

TROJAN FINAL SUR VEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05077P Classification: Class 1 Survey Unit Name: AB 77' Elevation- Filter Pit "E" Size (mi2 ): 36 Backiround Reference Area B04045N - Alpha Statistical Quantities: Range  : 6.820e+001 Median  : 3.720e+001 Mean  : 4.220e+001 Std. Deviation:  : 1.883e+001

1. of Measurements: 31 Min Value:' 6.200e+000 Max Value: 7.440e+001 Measurement Data Status Location Value Code 000001 3.720e+001 000002 5.580e+001 000003 5.580e+001 000004 3.100e+001 000005 2.480e+001 000006 3. 100e+001 000007 6.200e+000 000008 1.860e+001 000009 5.58 Oe+001 000010 3.100e+001 000011 7.440e+001 000012 5.58 Oe+001 000013 6.200e+001 000014 4.340e+001 000015 4.340e+001 000016 3.100e+001 000017 3.100e+001 000018 1.240e+001 000019 6. 820e+001 000020 2.480e+001 000021 6. 820e+001 000022 3.100e+001 000023 3.720e+001 000024 6. 820e+001 000025 6.200e+001 000026 2.480e+001 000027 5.58 Oe+001 000028 4. 960e+001 000029 1.860e+001 000030 3. 100e+001 000031 6.820e+001 B-178

TROJAN FINAL SURVEYREPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05077P Classification: Class 1 Survey Unit Name: AB 77' Elevation- Filter Pit "E" Size (m2 ): 36 Judgmental and Miscellaneous Measurement Data Measurement Type: Surface Scanning Beta Scan Coverage (%): 100 Measurement Units: dpm/lOOcm 2 Investigation Level: 7,500 Minimum Value: 952 Maximum Value: 7,209 Measurement Type: Removable Beta Number of Measurements: 32 Measurement Units: dpm/! 00cm 2 Investigation Level: 750 Minimum Value: 0 Maximum Value: 24 Measurement Type: Removable Alpha Number of Measurements: 32 Measurement Units: dpm/1 OOcm 2 Investigation Level: MDC Minimum Value: 0 Maximum Value: 2 Discussion of Anomalous Measurement Data Investination #1 Summarv Reason for Investigation: Three beta scan measurements exceeded the investigation level. Elevated Measurement Comparison (EMC): DCGL (Investigation Level): 7,500 Measurement Units: dpm/100cm 2 Maximum Value: 9,620 Size of Area Exceeding DCGL (M2 ): N/A Size of Survey Unit (m2 ): N/A Survey Unit Area >DCGL (%): N/A EMC Value: N/A Action Taken: Corrected measurement values for scan location per guidance in memo FS-01 8-03; used similar method for elevated scan measurements obtained with a 43-68 gas flow proportional detector. Replaced original scan results in SDMS with these results, which corrected to less than the investigation level. Basis for Action Taken: Technical basis memorandum FS-018-03 provides guidance for correcting SDMS determined scan results for locations that exceed the investigation level by subtracting instrument background from the field results. B-179

TROJAN FINAL SURVEY REPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05077P Classification: Class I Survey Unit Name: AB 77' Elevation- Filter Pit "E" Size (m2 ): 36 Discussion of Anomalous Measurement Data (Continued) Investigation #2 Summary Reason for Investigation: Thirty-one alpha static measurements exceeded investigation level. Elevated Measurement Comparison (EMC): DCGL (Investigation Level): 28 Measurement Units: dpm/lOOcm 2 Maximum Value: 106 Size of Area Exceeding DCGL (m2 ): 0.4 Size of Survey Unit (m2 ): 36 Survey Unit Area >DCGL (%): 1.1 EMC Value: 140 Action Taken: Applied EMC data processing to elevated alpha static measurement results. Basis for Action Taken: Sum of small, localized areas of elevated alpha radioactivity identified during static surveys is less than 1 m2 and allowed the EMC DCGL of 5.0 x DCGL to be applied. B-180

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTEDARES FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05077P Classification: Class I Survey Unit Name: AB 77' Elevation- Filter Pit "E" Size (m2 ): 36 Unity Rule Evaluation Survey Unit Values Value I DCGL Ratios Ratio Bkg Ref Area Values Location # Beta Alpha Beta Alpha Sum (Y) Beta* Alpha" P01 1,974 13 0263 0.464 0.727 947 37 P02 1,854 46 0.247 1.643 1.890 1062 56 P03 1,634 33 0.218 1.179 1.396 985 56 P04 2,181 73 0.291 2.607 2.898 959 31 P05 2,067 33 0.276 1.179 1.454 955 25 P06 1,534 26 0.205 0.929 1.133 897 31 P07 2,188 46 0.292 1.643 1.935 947 6 P08 1,807 79 0.241 2.821 3.062 886 19 P09 2,408 60 0.321 2.143 2.464 1016 56 PlO 1,634 40 0.218 1.429 1.646 840 31 P11 2,154 46 0.287 1.643 1.930 782 74 P12 2,101 53 0.280 1.893 2.173 970 56 P13 2,361 40 0.315 1.429 1.743 951 62 P14 2,814 26 0.375 0.929 1.304 982 43 P15 933 26 0.124 0.929 1.053

• 828 43 P16 858 40 0.114 1.429 1.543 859 31 P17 658 20 0.088 0.714 0.802 916 31 P18 838 33 0.112 1.179 1290 767 12 P19 965 106 0.129 3.786 3.914 962 68 P20 726 60 0.097 2.143 2.240 859 25 P21 834 33 0.111 1.179 1.290 947 68 P22 937 40 0.125 1.429 1.554 863 31 P23 762 40 0.102 1.429 1.530 890 37 P24 921 60 0.123 2.143 2.266 855 68 P25 1,125 46 0.150 1.643 1.793 828 . 62 P26 925 73 0.123 2.607 2.730 1039 25 P27 865 46 0.115 1.643 1.758 993 56 P28 1,292 60 0.172 2.143 2.315 863 50 P29 1,340 .33 0.179 1.179 1.357 878 19 P30 2,002 93 0.267 3.321 3.588 1043 31 P31 1,105 20 0.147 0.714 0.862 920 68 P32 722 20 0.096 0.714 0.811 mean: 1.827

   *First 31 measurement values from background reference data set B04045Y01.
   **Values from B04045N02, which are first 31 values from background reference data set B04045Y02.

Note: Highlighted background values to track for Wr Beta DCGL - 7,500 Alpha DCGL = 28 Unity "DCGL" I Since Y mean > Unity DCGL (1.8 > 1.0), go to means test. Means test: DM - (PMax - BMin) - (3.914 - 0348) - 3.566 > UnityDCGL DA - (PMean - BMean) = (1.827 - 1.630) = 0.197 < Unity DCGL Passes means test Since DM >DCGL & DA <DCGL, go to WRS test for unity rule evaluation. B-181

TROJAN FINAL SUR VEY REPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05077P Classification: Class 1 Survey Unit Name: AB 77' Elevation- Filter Pit "E" Size (m2 ): 36 Unity Rule Evaluation (Continued) Value / DCGL Ratios Ratio Sum + I Beta Alpha Sum (Z) . . Y., Z _ POOL_ __ _ RANK# Z Rank 0.126 1.329 1.455 2.455 0.727 1.0 10.0 0.142 1.993 2.134 3.134 0.802 2.0 16.0 0.131 1.993 2.124 3.124 0.811 3.0 21.0 0.128 1.107 1.235 2.235 0.862 4.0 22.0 0.127 0.886 1.013 2.013 1.053 5.0 27.0 0.120 1.107 1.227 2.227 1.133 6.0 28.0 0.126 0.221 0.348 1.348 1.290 7.5 29.0 0.118 0.664 0.782 1.782 1.290 7.5 31.0 0.135 1.993 2.128 3.128 1.304 9.0 32.5 0.112 1.107 1.219 2.219 , 3, .0 32.5 0.104 2.657 2.761 3.761 1.357 11.0 34.0 0.129 1.993 2.122 3.122 1.396 12.0 35.0 0.127 2.214 2.341 3.341 1.454 13.0 36.0 0.131 1.550 1.681 2.681 1.530 14.0 38.0 0.110 1.550 1.660 2.660 1.543 15.0 41.0 0.115 1.107 1.222 2.222 42.0 0.122 1.107 1.229 2.229 1.5S4 '17.0 44.0 0.102 0.443 0.545 1.545 1.646 18.0 45.0 0.128 2.436 2.564 3.564 1.743 19.0 47.0 0.115 0.886 1.000 2.000 1.758 20.0 50.0 0.126 2.436 2.562 3.562 51.0 0.115 1.107 1.222 2.222 52.0 0.119 1.329 1.447 2.447 1.793 23.0 53.0 0.114 2.436 2.550 3.550 1.890 24.0 54.0 0.110 2.214 2.325 3.325 1.930 25.0 55.0 0.139 0.886 1.024 2.024 .1.935 26.0 56.0 0.132 1.993

• 2.125 3.125 57.0 0.115 1.771 1.886 2.886 g 2., 61 2 58.0 0.117 0.664 0.781 1.781 0 59.0 0.139 1.107 1.246 2.246 2.173 30.0 60.0 0.123 2.436 2.558 3.558 k fi42,M8 >0- 62.0

                                                                    *99.2             2    5     1278.0 mean:           1.630                          t .D-2:2221      3235'Z Rank Sum Wr
                                                                  ?P;Qan2.2279t-,za    j34.0 WRS Test:                                                    ,Qe ,235;.3 atS.~36;0, k - MARSSIM equation 1.1                                             2240          37.0 k - m(n + m +1)/2 +z(P)"7 where: n - 31                                                   2.266         39.0 m-32                                                   2.315         40.0 P- nm(n+m+1)12 - 5,291 z - 1.645, for 0.05 Type I error k 32(31+32+1)/2 + 1.645(5,291)2                                      2.464         43.0 k 1024 + 1.645(72.7) -1144                                     ',',,;J.p2,66.0

Conclusion:

2.730 46.0 Since Wr > k (1278> 1144), survey unit passes the unity rule, and, therefore, meets the release criteria. 2.898 48.0 B-182

TROJAN FINAL SUR VEY REPORT- SPENTFUELPOOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05077P Classification: Class 1 Survey Unit Name: AB 77' Elevation- Filter Pit "E" Size (M2 ): 36 Unity Rule Evaluation (Continued) B-1 83

c C TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05077P Classification: Class 1 Survey Unit Name: AB 77' Elevation- Filter Pit "E" Size (m2 ): 36 Static Measurement Locations Map a-c .

                                                                                                                                  *0 tA      eQ
                                                                                                                        'k         S1i
                                      -- I                   LOOKIGO SOUTH                 LOOKING EAST
                                                           ,    3° A 0SW CEILING VIEW S 'S PLUG     LOOKING   LOOKING LOOKING. LOOKING            LOOKINGNORTH                 LOOKING  WEST BOTTOM   NORTH     SOUTh    EAST     WEST 077P.ont B-184

TROJAN FINAL SUR VEY EPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62042A Classification: Class 1 Survey Unit Name: Discharge and Dilution Structure Size (m2 ): 209 Outfall Chamber and Pipe Data Oualitv Values - Beta Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Tvpe Code Meas. Unit DCGL SGN WRS 1 36 DPM/100 CM 2 7.500e+003 Statistical Quantities Measurement Name: Minimum Value 4.179e+002 Maximum Value 6.772e+003 Range 6.354e+003 Median 1.455e+003 Std. Deviation : 1.339e+003 Mean 1.682e+003 95% UCL 2.059e+003 Measurement Values Location Value Location Value Location Value 000001 2.189e+003 000018 8.257e+002 000035 2.707e+003 000002 1.392e+003 000019 8.001e+002 000036 2.643e+003 000003 8.550e+.002 000020 1.575e+003 000004 5.828e+002 000021 2.407e+003 000005 5.253e+002 000022 2.394e+003 000006 5.291e+002 000023 2.061e+003 000007 5.253e+002 000024 2.387e+003 000008 4.754e+002 000025 1.517e+003 000009 4.563e+002 000026 2.887e+003 000010 8.282e+002 000027 2.887e+003 000011 9.240e+002 000028 2.592e+0.03 000012 5.636e+002 000029 2.048e+003 000013 4. 179e+002 000030 3.066e+003 000014 4.754e+002 000031 2.003e+003 000015 5.406e+002 000032 2.714e+003 000016 4.294e+002 000033 6 .772e+003 000017 5.061e+002 000034 4.051e+003 B-185

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62042A Classification: Class 1 Survey Unit Name: Discharge and Dilution Structure Size (m2 ): 209 Outfall Chamber and Pipe Measurement Data Statistical Evaluation - Beta Statistical Comparisons Statistical Quantities Calculated Acceptance Range: 6,354 Test Value Criteria Acceptable? Median: 1,455 Range 6,354 6,694 Pass Mean: 1,682 Median 0.170 0.500 Pass Std Dev: 1,339 Mean 1,682 7,500 Pass Minimum: 418 Std Dev 1,339 1,500 Pass Maximum: 6,772 All data less than DCGL; WRS statistical test not required. DCGL: 7,500 Data Frequency Distribution WV). 45% _- 40% _- D., 35% _ C 30% 25% _- 20'% _ t

            -0 15% _          _
            .0 10CY._

OV. ?A V"q I.3M 0 1.000 2,000 3.000 4.000 5.000 6,000 7.000 1,000 9.000 10,000 999 1.999 2,999 3.S99 4.9 5,99m 6,999 7,999 8,999 9.999 10,999 Measured RadioactivIty (dpmi/100 cm2) Number of Observation Plot Parameters Interval High End Low End Observations Frequency

      # of measurements:                       36                   1             999           0                17         47%
              # of intervals:                   11                  2          1,999        1,000                 3           8%

Interval increment: 1,000 3 2,999 2,000 13 36% Minimum: 0 4 3,999 3,000 1 3% Maximum: 10,999 5 4,999 4,000 1 3% 6 5,999 5,000 0 0% Comment: 7 6,999 6,000 1 3% The measurement value 6,772 dpm at location 8 7,999 7,000 0 0% 33 is in beta scan grid 072, and is consistent 9 8,999 8,000 0 0% with the scan measurement value of 6,488 dpm. 10 9,999 9,000 0 0% 11 10,999 10,000 0 0% Total: 36 100% B-186

TROJAN FINAL SUR VEY REPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62042A Classification: Class 1 Survey Unit Name: Discharge and Dilution Structure Size (m2 ): 209 Outfall Chamber and Pipe Background Reference Area B04045Z - Beta Statistical Quantities: Range  : 2.952e+002 Median  : 9.125e+002 Mean  : 9.161e+002 Std. Deviation:  : 7.569e+001

# of Measurements: 36                   Min Value: 7.668e+002                             Max Value:                   1.062e+003 Measurement                                                                                         Data Status Location                                  Value                                                          Code 000001                                       9.470e+002                                                         B 000002                                       1.062e+003                                                         B 000003                                       9.854e+002                                                         B 000004                                       9.585e+002                                                         B 000005                                       9.54ie+002                                                          B 000006                                       8.972e+002                                                         B 000007                                       9.470e+002                                                         B 000008                                       8.857e+002                                                         B 000009                                       1.016e+003                                                         B 000010                                       8.397e+002                                                         B 000011                                       7.821e+002                                                         B 000012                                       9.700e+002                                                         B 000013                                       9.508e+002                                                         B 000014                                       9.815e+002                                                         B 000015                                       8.282e+002                                                         B 000016                                       8.588e+002                                                         B 000017                                       9.163e+002                                                         B 000018                                       7.668e+002                                                         B 000019                                       9.623e+002                                                         B 000020                                       8.588e+002                                                         B 000021                                       9.470e+002                                                         B 000022                                       8.627e+002                                                         B 000023                                       8.895e+002                                                         B 000024                                       8.550e+002                                                         B 000025                                       8.282e+002                                                         B 000026                                       1.039e+003                                                         B 000027                                       9.930e+002                                                         B 000028                                       8.627e+002                                                         B 000029                                       8.780e+002                                                         B 000030                                       1.043e+003                                                         B 000031                                       9.202e+002                                                         B 000032                                       8.627e+002                                                         B 000033                                       9.048e+002                                                         B 000034                                       9.087e+002                                                         B 000035                                       7.937e+002                                                         B 000036                                       1.024e+003                                                         B B-187

TROJAN FINAL SURVEYREPORT-SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62042A Classification: Class 1 Survey Unit Name: Discharge and Dilution Structure Size (m2 ): 209 Outfall Chamber and Pipe Data Oualitv Values - Alpha Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS 2 36 DPM/100 CM2 2. 800e+001 1. 611e+003 Statistical Quantities Measurement Name: Minimum Value 0.000e+000 Maximum Value 9.921e+001 Range 9. 921e+001 Median 4.299e+001 Std. Deviation 2.848e+001 Mean 4. 611e+001 95% UCL 5. 413e+001 Measurement Values Location Value Location Value Location Value 000001 6.614e+001 000018 3.968e+001 000035 9.921e+001 000002 2.646e+001 000019 3.307e+001 000036 6.614e+001 000003 6. 614e+000 000020 5.952e+001 000004 1.323e+001 000021 4.630e+001 000005 1.984e+001 000022 8.598e+001 000006 1.323e+001 000023 2.646e+001 000007 1 .984e+001 000024 5.291e+001 000008 0. OOOe+000 000025 5.952e+001 000009 2. 646e+001 000026 7.937e+001 000010 5.291e+001 000027 8.598e+001 000011 1. 323e+001 000028 5.952e+001 000012 2. 646e+001 000029 6.614e+001 000013 6.614e+000 000030 8.598e+001 000014 1.984e+001 000031 5.952e+001 000015 9. 921e+001 000032 3.307e+001 000016 3.307e+001 000033 3.968e+001 000017 9.259e+001 000034 4. 630e+001 B-188

TROJAN FINAL SURVEY REPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62042A Classification: Class 1 Survey Unit Name: Discharge and Dilution Structure Size (m2 ): 209 Outfall Chamber and Pipe Measurement Data Statistical Evaluation - Alpha Statistical Comparisons Statistical Quantities Calculated Acceptance Range: 99 Test Value Criteria Acceptable? Median: 43 Range - 99 143 Pass Mean: 46 Median 0.109 0.500 Pass Std Dev: 29 Mean 46 28 See comment below Minimum: 0 Std Dev 29 31 Pass Maximum: 99 WRS 1611 1457 Pass DCGL: 28 Data set passes the WRS statistical test as Wr (1611) is greater than k (1457). Data Frequency Distribution 25% C 0  % 0 10 20 20 40 50 60 70 30 90 100 9 19 29 39 49 59 69 79 29 9 109 Measured Radioactivity (dpm/100 cm2 ) Number of Observation Plot Parameters Interval High End Low End Observations Frequency

        # of measurements:                  36                 1        .      9         0               5          14%
              # of intervals:               11                2               19       10                3           8%

interval increment: 10 3 29 20 7 19% Minimum: 0 4 39 30 3 8% Maximum: 109 5 49 40 4 11% Comment: 6 59 50 2 6% Data set fails initial means statistical quantities 7 69 60 6 17% test, which then requires a means test with a 8 79 70 1 . 3% background reference area data set. Since the 9 89 80 2 6% Survey Unit mean minus Reference Area mean 10 99 90 3 8% is less than the DCGL, the survey unit data set 11 109 100 0 0% passes that means test, and its acceptability is deter mrnined Total: 36 100% by the WRS test. Since the data set passes the WR.S statistical test, all measurement values are valid and accepted. B-189

TROJANFINAL SUR VEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62042A Classification: Class 1 Survey Unit Name: Discharge and Dilution Structure Size (m2 ): 209 Outfall Chamber and Pipe Back2round Reference Area B04045Z - Alpha Statistical Quantities: Range  : 6.820e+001 Median  : 3.720e+001 Mean  : 4.185e+001 Std. Deviation:  : 1.775e+001

1. of Measurements: 36 Min Value: 6.200e+000 Max Value: 7.440e+001 Measurement Data Status Location Value Code 000001 3.720e+001 B 000002 5.580e+001 B 000003 5.580e+001 B 000004 3.100e+001 B 000005 2.480e+001 B 000006 3.100e+001 B 000007 6.200e+000 B 000008 1.860e+001 B 000009 5.580e+001 B 000010 3.100e+001 B 000011 7.440e+001 B 000012 5.580e+001 B 000013 6.200e+001 B 000014 '4.340e+001 B 000015 4.340e+001 B 000016 3.100e+001 B 000017 3.100e+001 B 000018 1.240e+001 B 000019 6.820e+001 B 000020 2.480e+001 B 000021 6.820e+001 B 000022 3.100e+001 B 000023 3.720e+001 B 000024 6.820e+001 B 000025 6.200e+001 B 000026 2.480e+001 B 000027 5.580e+001 B 000028 4.960e+001 B 000029 1.860e+001 B 000030 3.100e+001 B 000031 6.820e+001 B 000032 3.100e+001 B 000033 3.720e+001 B 000034 3.720e+001 B 000035 3.720e+001 B 000036 5.580e+001 B

                                           .- I B-190

TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62042A Classification: Class 1 Survey Unit Name: Discharge and Dilution Structure Size (m2 ): 209 Outfall Chamber and Pipe Judgmental and Miscellaneous Measurement Data Measurement Type: Surface Scanning Beta Scan Coverage (%): 100 MeasurementUnits: dpm/l00cm 2 Investigation Level: 7,500 Minimum Value: 597 Maximum Value: 8,944 Measurement Type: Removable Beta Number of Measurements: 36 Measurement Units: dpm/100cm 2 Investigation Level: 750 Minimum Value: 0 Maximum Value: 18 Measurement Type: Removable Alpha Number of Measurements: 36 Measurement Units: dpm/lOOcm 2 Investigation Level: MDC Minimum Value: 0 Maximum Value: 3 Discussion of Anomalous Measurement Data Investigation #1 Summary Reason for Investigation: Seven beta scan measurements exceeded the investigation level. Elevated Measurement Comparison (EMC): DCGL (Investigation Level): 7,500 Measurement Units: dpm/l OOcm 2 Maximum Value: 10,570 Size of Area Exceeding DCGL (in2 ): 1.35 Size of Survey Unit (m2): 209 Survey Unit Area >DCGL (%): 0.65 EMC Value: 9,000 Action Taken: Corrected measurement values for scan location per guidance in memo FS-018-03. Replaced original scan results in SDMS with these results. Applied EMC data processing to beta scan measurements that remain elevated. Basis for Action Taken: Technical basis memorandum FS-018-03 provides guidance for correcting SDMS determined scan results for locations that exceed the investigation level by subtracting instrument background from the field results. Sum of small, localized areas of B-191

TROJANFINAL SURVEYREPORT- SPENTFUEL POOL IMPACTEDAREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62042A Classification: Class 1 Survey Unit Name: Discharge and Dilution Structure Size (m2 ): 209 Outfall Chamber and Pipe Discussion of Anomalous Measurement Data (Continued) elevated alpha radioactivity identified during static surveys is between 1 m2 and 4 m2 in size, which allowed an interpolated EMC DCGL of 1.2 x DCGL to be applied. Investigation #2 Summary Reason for Investigation: Twenty-three alpha static measurements exceeded the investigation level. Elevated Measurement Comparison (EMC): DCGL (Investigation Level): 28 Measurement Units: dpm/1 00cm 2 Maximum Value: 291 Size of Area Exceeding DCGL (m2 ): 0.3 Size of Survey Unit (m2 ): 209 Survey Unit Area >DCGL (%): 0.1 EMC Value: 140 Action Taken: Remediated static measurement locations 18-20, 25, 29, & 31 and resurveyed. Replaced original results in SDMS with post-remediation results. Applied EMC data processing to alpha static measurements that remain elevated. Basis for Action Taken: Static measurement locations that approached or exceeded EMC DCGL were remediated. Sum of small, localized areas of elevated alpha radioactivity identified during static surveys is less than I in2 and allowed the EMC DCGL of 5.0 x DCGL to be applied. B-192

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTEDAREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62042A Classification: Class I Survey Unit Name: Discharge and Dilution Structure Size (m2 ): 209 Outfall Chamber and Pipe Unitv Rule Evaluation Survey Unit Values Value / DCGL Ratios Ratio Bkg Ref Area Values Location # Beta Alpha Beta Alpha Sum (Y) Beta' Alpha" POI 2,189 66 0.292 2.357 2.649 947 37 P02 1,392 26 0.186 0.929 1.114 1,062 56 P03 855 7 0.114 0.250 0.364 985 56 P04 583 13 0.078 0.464 0.542 959 31 P05 525 20 0.070 0.714 0.784 955 25 P06 529 13 0.071 0.464 0.535 897 31 P07 525 20 0.070 0.714 0.784 947 6 POS 475 0 0.063 0.000 0.063 886 19 P09 456 26 0.061 0.929 0.989 1,016 56 PlO 828 53 0.110 1.893 2.003 840 31 Pl 924 13 0.123 0.464 0.587 782 74 P12 564 26 0.075 0.929 1.004 970 56 P13 418 7 0.056 0.250 0.306 951 62 P14 *47S 20 0.063 0.714 0.778 982 43 P15 541 99 0.072 3.536 3.608 828 43 P16 429 33 0.057 1.179 1.236 859 31 P17 506 93 0.067 3.321 3.389 916 31 P18 826 40 0.110 IA29 1.539 767 12 P19 0OO 33 0.107 1.179 1.285 962 68 i20 1.575 60 0.210 2.143 2.353 859 25 P21 2,407 46 . 0.321 1.643 1.964 947 68 P22 2,394 86 0.319 3.071 3.391 863 31 P23 2,061 26 0.275 0.929 1.203 890 37 P24 2,387 53 0.318 1.893 2211 855 68 P25 1,517 60 0.202 2.143 2.345 828 62 P26 2,887 79 0385 2.821 3.206 1.039 25 P27 2,887 86 0.385 3.071 3,456 993 56 P28 2,592 60 0.346 2.143 2.488 863 50 P29 2,048 66 0.273 2.357 2.630 878 19 P30 3,066 86 OA09 3.071 3.480 1,043 31 P31 2,003 60 0.267 2.143 2A10 920 68 P32 2,714 33 0.362 1.179 1.540 863 31 P33 6,772 40 0.903 1.A29 2.332 905 37 P34 4,051 46 0.540 1.643 2.183 909 37 P35 2,707 99 0.361 - 3.536 3.897 794 37 P36 2.643 66 0.352 2.357 2.710 1.024 56 mean 1.871

        'First 36 measurement values from background reference data set B04045YO1.
         "Values from B04045Z02, which are first 36 values from background reference data set B04045Y02.

Note: Highlighted background values to track for Wr Beta DCGL - 7,500 Alpha DCGL - 28 Unity "DCGL" - I Since Y mean > Unity DCGL (1.9 > 1.0), go to means test. Means test: DM - (YMax - BMin) - (3.897 - 0.348) - 3.549 > DCGL DA - (YMean - BMean) - (1.871 - 1.617) - 0.254 e DCGL Passesmeans test Since DM >DCGL & DA < DCGL, go to WRS test for unity rule evaluation. B-193

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62042A Classification: Class 1 Survey Unit Name: Discharge and Dilution Structure Size (m2 ): 209 Outfall Chamber and Pipe Unity Rule Evaluation (Continued) Value / DCGL Ratios Ratio Sum + I 0.142 1.993 2.134 0.306 2.0 19.0 0.131 1.993 2.124 0.364 3.0 20.0 0.128 1.107 1.235 0.535 4.0 21.0 0.127 0.8S6 1.013 0.542 5.0 23.0 0.120 1.107 1.227 0.587 6.0 25.0 0.126 0.221 0.348 0.778 7.0 26.0 0.11 0.664 0.782 0.784 8.5 29.0 0.135 1.993 2.128 0.784 8.5 31.0 0.112 1.107 1.219 0.989 10.0 31.0 0.104 2.657 2.761 1.004 11.0 31.0 0.129 1.993 2.122 1.114 12.0 33.0 0.127 2.214 2.341 1.203 13.0 34.0 0.131 1.550 1.681 1.236 14.0 35.0 0.110 1.550 1.660 1.285 15.0 36.0 0.115 1.107 1.222 .48 ,T1 41.0 0.122 1.107 1.229 1.539 17.0 42.0 0.102 OA43 0.545 1.540 18.0 43.0 0.128 2.436 2.564 '° 44.0 0.115 0.886 1.000 .r,<j¢-781 >}rsD Q 45.0 0.126 2.436 2.562 t1.,78,2'if 49.0 0.115 1.107 1.222 1.964 22.0 50.0 0.119 1.329 1.447 :9QSi00 2:3% 52.0 0.114 2.436 2.550 2.003 24.0 53.0 0.110 2.214 2.325  !-i2.013": '5. : 54.0 0.139 0.886 1.024 .0 55.0 0.132 1.993 2.125 2.183 27.0 56.0 0.115 1.771 1.886 2.211 28.0 57.0 0.117 0.664 0.781 58.0 0.139 1.107 1.246 iji -o' 60.0 0.123 2.436 2.558 -161.0 s 0.115 1.107 1.222 -222?ti,;6A 66.0 0.121 1.329 1.449 l 2:227g t33} 67.0 0.121 1.329 1.450 ~29-'14~O' 68.0 0.106 1.329 IA34 69.0 0.137 1.993 2.129 , ,36. 0 71.0 mean 1.617 2.332 37.0 1571 WRS Test: 2.345 38.0 Z Rank Sum - Wr k - MARSSIM equation 1.1 2.353 39.0 k - m(n + m +1Y2 + Z(P)U2 2.410 40.0 where: n - 36 m-36 P- nzn(n+m+1Y12 - 7,884 Z - 1.645, for 0.05 Type I error k - 36(36+36+1Y2 + 1.645(7,884)"' k- 1314 + 1.645(88.8) - 1460

Conclusion:

Since Wr > k (1571 > 1460), survey unit passes the unity rule, and, therefore, meets the release criteria. B-194

TROJANFINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62042A Classification: Class 1 Survey Unit Name: Discharge and Dilution Structure Size (M2 ): 209 Outfall Chamber and Pipe Unity Rule Evaluation (Continued) 3.389 62.0 3.391 63.0 3.456 64.0 3A80 65.0 j -} 1. - Sl. - rf 14. ar t':~ ~356R2 . 610 3.608 70.0 3.897 72.0 B-195

(C TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62042A Classification: Class I Survey Unit Name: Discharge and Dilution Structure Outfall Chamber and Pipe Size (m2 ): 209 Static Measurement Locations Map 4-0 -Foor a rcet

                                           )/, -50       vth~

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B-196

C c TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL IMPACTED AREAS C FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62042A Classification: Class 1 Survey Unit Name: Discharge and Dilution Structure Outfall Chamber and Pipe Size (m2): 209 Static Measurement Locations Map VIEW B-B CEILING VIEW TROJA N FINAL SURVEY 142AZ REVISIONNO. Its RAYMONWREVISION DATE M-2-l-44 DOPER iDWOREFERENCE I I I Z 3 4 5 SCALEIMTRoSI OWLFIXON ETRXTURE A DISCHARGIE n:L 4fg f -& 10-1 m' ARAC,~M VIMV CEILINGANDELEVATION IKE. -lflQ B-197

C C TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62042A Classification: Class I Size (M2 ): 209 Survey Unit Name: Discharge and Dilution Structure Outfall Chamber and Pipe Static Measurement Locations Map B-198

( AFC TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62042A Classification: Class 1 Survey Unit Name: Discharge and Dilution Structure Outfall Chamber and Pipe Size (m2 ): 209 Static Measurement Locations Map B-199

C ( TROJAN FINAL SURVEYREPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62042A Classification: Class I Size (M2 ): 209 Survey Unit Name: Discharge and Dilution Structure Outfall Chamber and Pipe Static Measurement Locations Map N -

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• B-200

TROJANFINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62208A Classification: Class 1 Survey Unit Name: Spent Fuel Pool Ducting Size (m2 ): 192 18" Diameter and Larger Data Quality Values - Beta Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit . DCGL SGN WRS 1 30 DPM/100 CM2 7.500e+003 Statistical Quantities Measurement Name: Minimum Value 5.228e+002 Maximum Value 2.106e+003 Range 1.583e+003 Median 7. 184e+002 Std. Deviation 4. 518e+002 Mean 9. 153e+002 95% UCL 1.055e+003 Measurement Values Location Value Location Value 000001 1.031e+003 000018 6.733e+002 000002 7.259e+002 000019 5.755e+002 000003 2.020e+003 000020 6.093e+002 000004 1. 610e+003 000021 1.177e+003 000005 6. 921e+002 000022 7.109e+002 000006 8.049e+002 000023 7.786e+002 000007 6.770e+002 000024 7.034e+002 000008 5.717e+002 000025 1.313e+003 000009 1.960e+003 000026 1.083e+003 000010 5.228e+002 000027 6.206e+002 000011 6.733e+002 000028 5.341e+002 000012 9.366e+002 000029 5.943e+002 000013 6.319e+002 000030 5.567e+002 000014 7.259e+002 000015 9.065e+002 000016 9. 328e+002 000017 2.106e+003 B-201

TROJAN FINAL SUR VEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62208A Classification: Class I Survey Unit Name: Spent Fuel Pool Ducting Size (m2): 192 18" Diameter and Larger Measurement Data Statistical Evaluation - Beta Statistical Comparisons Statistical Quantities Calculated Acceptance Range: 1,583 Test Value Criteria Acceptable? Median: 719 Range 1,583 2,259 Pass Mean: 915 Median 0.436 0.500 Pass Std Dev: 452 Mean 915 7,500 Pass Minimum: 523 Std Dev 452 1,500 Pass Maximum: 2,106 All data less than DCGL; WRS statistical test not required. DCGL: 7,500 Data Frequency Distribution s0o% 760% 50'S

             =40%N   _   W 30%

01% 0 1.000 2,000 3,00 4.000 5.000 6.000 7.000 2,000 9,000 10.000 999 1,999 2,9 3.999 4,99 5.9" 6,9999 7. 9.999 9.99 10,99 Measured Radioactivity (dpm/100 cm2 ) Number of Observation Plot Parameters Interval High End Low End Observations Frequency

       # of measurements:                    30                     I           999           0               22          73%
              # of intervals:                 11                   2         1,999        1,000                 6         20%

Interval increment: . 1,000 3 2,999 2,000 2 7% Minimum: 0 4 3,999 3,000 0 0% Maximum: 10,999 5 4,999 4,000 0 0%

                                                                  .6         5,999        5,000                 0           0%

Comment: 7 6,999 6,000 0 0% NONE 8 7,999 7,000 0 0% 9 8,999 8,000 0 0% 10 9,999 9,000 0 0% 11 10,999 10,000 0 0% Total: 30 100% B-202

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62208A Classification: Class 1 Survey Unit Name: Spent Fuel Pool Ducting Size (m2 ): 192 18" Diameter and Larger Back2round Reference Area B04208B - Beta Statistical Quantities: Range  : 2.454e+002 Median  : 5.751e+002 Mean  : 5.715e+002 Std. Deviation:  : 5.454e+001

# of Measurements: 30             Min Value: 4.984e+002                             Max Value:                  7.438e+002 Measurement                                                                                    Data Status Location                             Value                                                         Code 000001                                  7.438e+002                                                        B 000002                                  5.598e+002                                                        B 000003                                  5.368e+002                                                        B 000004                                  5.138e+002                                                        B 000005                                  4.984e+002                                                        B 000006                                  5.828e+002                                                        B 000007                                 5.789e+002                                                         B 000008                                  6.365e+002                                                        B 000009                                  5.866e+002                                                        B 000010                                   6.173e+002                                                        B 000011                                   6.096e+002                                                        B 000012                                 5.253e+002                                                         B 000013                                  5.291e+002                                                         B 000014                                   6.480e+002                                                        B 000015                                  5.713e+002                                                         B 000016                                 5.866e+002                                                         B 000017                                 5.789e+002                                                         B 000018                                  5.176e+002                                                        B 000019                                  S.176e+002                                                        B 000020                                 5.789e+002                                                         B 000021                                  5.138e+002                                                        B 000022                                 5.406e+002                                                         B 000023                                 5.329e+002                                                         B 000024                                 5.713e+002                                                         B 000025                                  5.214e+002                                                        B 000026                                  5.023e+002                                                        B 000027                                  5.828e+002                                                        B 000028                                  6.556e+002                                                        B 000029                                  6.096e+002                                                        B 000030                                  5.981e+002                                                        B B-203

TROJAN FINAL SURVEY REPORT-SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62208A Classification: Class 1 Survey Unit Name: Spent Fuel Pool Ducting Size (m2 ): 192 18" Diameter and Larger Data Quality Values - Alpha Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS 2 30 DPM/100 CM2 2. 800e+001 1.234e+003 Statistical Quantities Measurement Name: Minimum Value 0.OOOe+000 Maximum Value 7.440e+001 Range 7.440e+001 Median  :, 2.480e+001 Std. Deviation 1.606e+001 Mean 2.542e+001 95% UCL 3. 040e+001 Measurement Values Location Value Location Value 000001 4. 960e+001 000018 6.200e+000 000002 4.340e+001 000019 6.200e+000 000003 3.100e+001 000020 0.OOOe+000 000004 3. 100e+001 000021 4.960e+001 000005 1.860e+001 000022 0.OOOe+000 000006 3. 100e+001 000023 1.860e+001 000007 2.480e+001 000024 3.100e+001 000008 2.480e+001 000025 1.240e+001 000009 3. 100e+001 000026 1.240e+001 000010 4.960e+001 000027 1.860e+001 000011 1.24Oe+001 000028 2.480e+001 000012 3.100e+001 000029 1.860e+001 000013 2.480e+001 000030 1.860e+001 000014 2.480e+001 000015 1.8 60e+001 000016 7.440e+001 000017 2.480e+001 B-204

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Sunrey Unit ID Code: P62208A Classification: Class 1 Survey Unit Name: Spent Fuel Pool Ducting Size (m2 ): 192 18" Diameter and Larger Measurement Data Statistical Evaluation - Alpha Statistical Comparisons Statistical Quantities Calculated* Acceptance Range: 74 Test Value Criteria Acceptable? Median: 25 Range 74 80 Pass Mean: 26 Median 0.031 0.500 Pass Std Dev: 16 Mean 26 28 Pass Minimum: 0 Std Dev 16 28 Pass Maximum: 74 WRS 1234 1026 Pass DCGL: 28 Data set passes the WRS statistical test as Wr (1234) is greater than k (1026). Data Frequency Distribution 35% 3 0% 3.,

            " 25%

0C44 C. U=20/ ar

            ;; 1S7 t               .

5% " 0%/ IN 0 to 20 30 40 so 60 70 9o 90 ax0 9 19 29 39 49 59 69 79 39 99 109 Measured Radioactivity (dpmIlO0 cm') Number of Observation Plot Parameters Interval High End Low End Observations Frequency

       # of measurements:                    30                    1             9         0                 4         13%
             # of intervals:                 11                   2             19        10                 9         30%

Interval increment: 10 3 29 20 6 20% Minimum: 0 4 39 30 6 20% Maximum: 109 5 49 40 1 3% Comment: 6 59 50 3 10% Due to very small DCGL for alpha activity, the 7 69 60 0 0% standard deviation test criterion changed to 8 79 70 1 3% 1.0(DCGL) from default value of 0.2(DCGL), to 9 89 80 0 0% allow the data set to enter the WRS statistical 10 99 90 0 0% test, which is the final test to determine if the 11 109 100 0 0% data set meets the site release criterion. Since the edata set passes Total: 30 .100% the WRS statistical test, all measurement values alre valid and accepted. B-205

TROJAN FINAL SURVEYREPORT-SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62208A Classification: Class I Survey Unit Name: Spent Fuel Pool Ducting Size (m2 ): 192 18" Diameter and Larger Background Reference Area 1304208B - Alpha Statistical Quantities: Range  : 3.720e+001 Median  : 1.860e+001 Mean  : 1.591e+001 Std. Deviation: . 1.026e+001

# of Measurements: 30        Min Value: 0.000e+000          Max Value:      3.720e+001 Measurement                                                      Data Status Location                        Value                                Code 000001                            6.200e+000                             B 000002                            O;OOOe+000                             B 000003                            0.OOOe+000                             B 000004                            1.240e+001                             B 000005                            6.200e+000                             B 000006                            1.860e+001                             B 000007                            3.100e+001                             B 000008                            6.200e+000                             B 000009                            0.OOOe+000                             B 000010                            1.860e+001                             B 000011                            2.480e+001                             B 000012                            1.240e+001                             B 000013                            1.860e+001                             B 000014                            3.720e+001                             B 000015                            6.200e+000                             B 000016                            1.860e+001.                            B 000017                            1.240e+001                             B 000018                            1.860e+001                             B 000019                            6.200e+000                             B 000020                            2.480e+001                             B 000021                            6.200e+000                             B 000022                            1.240e+001                             B 000023                            1.860e+001                             B 000024                            1.860e+001                             B 000025                            1.240e+001                             B 000026                            1.860e+001                             B 000027                            2.480e+001                             B 000028                            3.100e+001                             B 000029                            1.860e+001                             B 000030                            3.720e+001                             B B-206

TROJANFINAL SUR VEYREPORT-SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62208A Classification: Class 1 Survey Unit Name: Spent Fuel Pool Ducting Size (m2 ): 192 18" Diameter and Larger Judgmental and Miscellaneous Measurement Data Measurement Type: Surface Scanning Beta Scan Coverage (%): 100 Measurement Units: dpm/lOOcm 2 Investigation Level: 7,500 Minimum Value: 684 Maximum Value: 4,830 Measurement Type: Removable Beta Number of Measurements: 30 Measurement Units: dpm/lOOcm 2 Investigation Level: 750 Minimum Value: 0 Maximum Value: 16 Measurement Type: Removable Alpha Number of Measurements: 30 Measurement Units: dpm/l00cm 2 Investigation Level: MDC Minimum Value: 0 Maximum Value: 0 Discussion of Anomalous Measurement Data Investigation #1 Summarv Reason for Investigation: Eleven alpha static measurements exceeded the investigation level. Elevated Measurement Comparison (EMC): DCGL (Investigation Level): 28 Measurement Units: dpm/1 00cm2 Maximum Value: 74 Size of Area Exceeding DCGL (M2 ): 0.14 Size of Survey Unit (M 2 ): 192 Survey Unit Area >DCGL (%): <0.1 EMC Value: 140 Action Taken: Applied EMC data processing to elevated alpha static measurement results. Basis for Action Taken: Sum of small, localized areas of elevated alpha radioactivity identified during static surveys is less than 1 m2 and allowed the EMC DCGL of 5.0 x DCGL to be applied. B-207

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62208A Classification: Class 1 Survey Unit Name: Spent Fuel Pool Ducting Size (m2): 192 18" Diameter and Larger Unity Rule Evaluation Survey Unit Values Value I DCGL Ratios Ratio Bkg Ref Area Values* Location # Beta Alpha Beta Alpha Sum (Y) Beta Alpha POI 1,031 50 0.137 1.786 1.923 744 6 P02 726 43 0.097 1.536 1.633 560 0 P03 2,020 31 0.269 1.107 1.376 537 0 P04 1,610 31 0.215 1.107 1.322 514 12 P05 692 19 0.092 0.679 0.771 498 6 P06 805 31 0.107 1.107 1.214 583 19 P07 677 25 0.090 0.893 0.983 579 - 1 P08 572 25 0.076 0.893 0.969 637 6 P09 1,960 31 0.261 1.107 1.368 587 0 Plo 523 50 0.070 1.786 1.855 617 19 Pll 673 12 0.090 OA29 0.518 610 25 P12 937 31 0.125 1.107 1.232 525 12 P13 632 25 0.084 0.893 0.977 529 19 P14 726 25 0.097 0.893 0.990 648 37 P15 907 19 0.121 0.679 0.800 571 6 P16 933 74 0.124 2.643 2.767 587 19 P17 2,106 25 0.281 0.893 1.174 579 12 P18 673 6 0.090 0.214 0.304 518 19 P19 576 6 0.077 0.214 0.291 518 6 P20 609 0 0.081 0.000 0.081 579 25 P21 1,177 50 0.157 1.786 1.943 514 6 P22 711 0 0.095 0.000 0.095 541 12 P23 779 19 0.104 0.679 0.782 533 19 P24 703 31 0.094 1.107 1.201 571 19 P25 1,313 12 0.175 0.429 0.604 521 12 P26 1,083 12 0.144 0.429 0.573 502 19 P27 621 19 0.083 0.679 0.761 583 25 P28 534 25 0.071 0.893 0.964 656 31 P29 594 19 0.079 0.679 0.758 610 19 P30 557 19 0.074 0.679 0.753 598 37 maximum 2.767 mean 1.033

      *BackgroundReference Area Survey Unit is B04208B Beta DCGL = 7,500 Alpha DCGL = 28 Unity 'DCGL'-" I Since Y mean > DCGL (1.033 > 1.0), go to means test.

Means test: DM (YMax - BMin) - (2.767 - 0.072) - 2.695 > Unity DCGL DA (YMean - BMean) = (1.033 - 0.645) = 0.688 < Unity DCGL Passes means test Since DM >DCGL & DA < DCGL, go to WRS test for unity evaluation. B-208

TROJAN FINAL SURVEY REPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62208A Classification: Class 1 Survey Unit Name: Spent Fuel Pool Ducting Size (m2 ): 192 18" Diameter and Larger Unity Rule Evaluation (Continued) Value I DCGL Ratios Ratio SU + I Beta Alpha Sum (B) Z Y,Z POOL RANK# Z Rank #

              .0.099         0.214       0.313 l,30.081                                                I ,4                 9, 0.075        0.000        0.075 qr-1*075                       0.095                   2 0.072        0.000        0.0o.2.i.6        7j 2'              0.291                   3              i 0.069         0.429       0.497 -. J 497.                      0.304                   4i 0.066        0.214        0.281 X            8i                0.518                   5:-

0.078 0.679 0.756 zi~aLv .7S6 0.573 6, ,42 28 0.077 1.107 1.184W2!184 0.604 9s 0.085 0.214 0.299 1,r,- 1.299 0.753 8 30 0.078 0.000 0.078 0.758 9 0.082 0.679 0.761 i .;1.76t 0.761 10F@i O 3S 0.081 0.893 0.974  ; 0.771 11I 0.070 0.429 0.499 0.782 12 0.071 0.679 0.749 ".i7A9 0.800 13 0.086 1.321 1.408 - 0.964 14 -P4 0.076 0.214 0.290ksi1220 0.969 15 0.078 0.679 0.757 ?i+.-757. 0.977 1 6 ' 0.077 0.429 0.506$ A*1:506 0.983 17'i' 43 0.069 0.679 0.748 j,.k~ 748 0.990 1 '44 0.069 0.214 0.283 ,10725 i 9;-C:t ,'i5 0.077 0.893 0.970 ';70 21 0.069 0.214 0.283 rtE .2832 .j '. ' 0.072 0.429 0.501 Di; 1.174 i2 44 0.071 0.679 0.750 11-7 1.201 23 0.076 0.679 0.755- 1 755i 1.214 24rt 53-0.070 0.429 0.498 k!t1'i498 1.232 25 ri 0.067 0.679 0.746 '`-- W 1746 0.078 083 0.971 .-7 1911ii 0.087 1.107 1.195;t2bZ +/-3 28-574 0.081 0.679 0.760 4Yi60 ,'14 .- r. 0.080 1.321 1.401'.E 0 ':1.299,,' *,io3,0 -.i 4'9 minimum 0.0724 I 343X-;,1 1213 mean 0.645 1322 32 Z Rank Sum Wr k = 30(30+30+1)12 + 1.645(4,575)"' k=915 + 1.645(67.6) - 1026 k - 1026 Conelusion Since Wr > k, (1213 > 1026), survey unit passes the unity rule, and, therefore, meets the release criteria. B-209

TROJAN FINAL SURVEY REPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62208'A Classification: Class 1 Survey Unit Name: Spent Fuel Pool Ducting Size (m2 ): 192 18" Diameter and Larger Unity Rule Evaluation (Continued) B-210

TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL IMPACTED REAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62208A Classification: Class 1 Survey Unit Name: Spent Fuel Pool Ducting 18" Diameter and Larger Size (m2 ): 192 Static Measurement Locations Man B-211

Trojan Nuclear Plant Supplement to Final Survey Report Spent Fuel Pool Impacted Areas Volume 2 of 2

TROJAN FINAL SURVEYREPORT- SUPPLEMENTTO SPENTFUEL POOLIMPACTED AREAS SUPPLEMENT TO APPENDIX B SURVEY UNIT

SUMMARY

REPORTS - SPENT FUEL POOL IMPACTED AREAS Survey Unit ID Code Page(s) S04093F ..... B-2 through B-7 S04093G ..... B-8 through B-19 S04093H ..... B-20 through B-26 S04093J ..... B-27 through B-32 S04093Q ..... B-33 through B-36 S04093R ..... B-37 through B-41 S04093T ..... B-42 through B-48 S04093V ..... B-49 through B-51 S04093X ..... B-52 through B-54 S04061G.B-S5through B-58 S05045M ..... B-59 through B-62

     ;.B-63 S05077m..                                                               through B-65 S05077P......                                                     B-66 through B-68 P62042A .....                                                     B-69 through B-75 P62208A .....                                                     B-76 through B-78 Supplement to Appendix B                  B-1

TROJAN FINAL SURVEYREPORT- SUPPLEAENT TO SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093F Classification: Class I Survey Unit Name: FB 93' Elevation- Spent Fuel Pool - West Half Size (m2 ): 283 Scan Measurement Data Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS 8 296 DPM/100 CM2 7.500e+003 Statistical Quantities Measurement Name: Minimum Value 1.397e+003 Maximum Value 1. 01le+004 Range 8 .713e+003 Median 2.390e+003 Std. Deviation : 1.218e+003 Mean 2.749e+003 95% UCL 2.866e+003 Measurement Values Location Value Location Value Location Value 000001 2.629e+003 000018 2.074e+003 000035 2.430e+003 000002 2.121e+003 000019 2.224e+003 000036 6.591e+003 000003 2.440e+003 000020 3.078e+003 000037 2.437e+003 000004 6.104e+003 00002j1 2.403e+003 000038 2.993e+003 000005 2.474e+003 000022 2.268e+003 000039 2.497e+003 000006 2.459e+003 000023 2.089e+003 000040 3.610e+003 000007 2.449e+003 000024 1.903e+003 000041 2.434e+003 000008 1.808e+003 000025 2.066e+003 000042 4.366e+003 000009 1.854e+003 000026 3.819e+003 000043 1.585e+003 000010 2.069e+003 000027 2.203e+003 000044 1.823e+003 000011 1.852e+003 000028 3.052e+003 000045 1.840e+003 000012 2.175e+003. 000029 5.674e+003 000046 1.805e+003 000013 2.154e+003 000030 2.286e+003 000047 1.862e+003 000014 1.897e+003 000031 2.174e+003 000048 2 .214e+003 000015 2.049e+003 000032 5.467e+003 000049 2.940e+003 000016 2.175e+003 000033 2.454e+003 000050 2.866e+003 000017 2.287e+003 000034 4.889e+003 000051 2.774e+003 Supplement to Appendix B B-2

TROJAN FINAL SURVEYREPORT-SUPPLEMENT TO SPENTFUEL POOL IMPACTEDAREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093F Classification: Class 1 Survey Unit Name: FB 93' Elevation- Spent Fuel Pool - West Half Size (m2 ): 283 Scan Measurement Data Location Value Loocation Value Location Value 000052 2.734e+003 000099 1. 717e+003 000146 3. 616e+003 000053 2.527e+003 000100 1.397e+003 000152 7.358e+003 000054 2. 601e+003 000101 2.128e+003 000155 2.376e+003 000055 2.657e+003 000102 1.934e+003 000156 2.258e+003 000056 2.784e+003 000103 2.028e+003 000157 2.515e+003 000057 3.059e+003 000104 5.659e+003 000158 2.080e+003 000058 2.634e+003 000105 1.925e+003 000159 2.267e+003 000059 2.674e+003 000106 2.088e+003 000160 2.749e+003 000060 8.041e+003 000107 8.124e+003 000161 2. 114e+003 000061 1.Olle+004 000108 2.326e+003 000162 2.028e+003 000062 7.619e+003 000109 6.863e+003 000163 2.355e+003 000063 3. 180e+003 000110 2. 134e+003 000164 2.621e+003 000064 2. 813e+003 000111 2.846e+003 000165 3.404e+003 000065 2.607e+003 000112 2.083e+003 000166 2.184e+003 000066 2.556e+003 000113 2.132e+003 000167 2.294e+003 000067 2.825e+003 0000114 2.197e+003 000168 2.446e+003 000068 2.574e+003 000115 1.986e+003 000169 2.430e+003 000069 4.171e+003 000116 6.710e+003 000170 2.252e+003 000070 2.607e+003 000117 2.542e+003 000171 2.307e+003 000071 5.006e+003 000118 6.125e+003 000172 2.332e+003 000072 6.563e+003 000119 2.232e+003 000173 2.'386e+003 000073 2.817e+003 000120 2.435e+003 000174 2.423e+003 000074 2.955e+003 000121 6.982e+003 000175 2.257e+003 000075 2.786e+003 000122 6.465e+003 000176 2.264e+003 000076 3.149e+003 000123 2.296e+003 000177 2.261e+003 000077 2.693e+003 000124 3.974e+003 000178 4.358e+003 000078 2. 615e+003 000125 1.994e+003 000179 2. 194e+003 000079 2. 591e+003 000126 2.111e+003 000180 2.385e+003 000080 2.588e+003 000127 2.026e+003 000181 2.733e+003 000081 2.950e+003 000128 2.008e+003 000182 2.284e+003 000082 2.589e+003 000129 1.874e+003 000183 2. 412e+003 000083 4.268e+003 000130 2.311e+003 000184 2.320e+003 000084 2.849e+003 000131 2.375e+003 000185 2.634e+003 000085 3.043e+003 000132 2.166e+003 000186 2.278e+003 000086 3.074e+003 000133 2.407e+003 000187 2.009e+003. 000087 2.725e+003 000134 1.988e+003 000188 2.287e+003 000088 2.787e+003 000135 2.043e+003 000189 2.740e+003 000089 2.836e+003 000136 2.184e+003 000190 2.572e+003 000090 2.585e+003 000137 2.430e+003 000191 2.452e+003 000091 3.008e+003 000138 2.331e+003 000192 2.360e+003 000092 2.852e+003 000139 6.560e+003 000193 2.384e+003 000093 2.839e+003 000140 2. 148e+003 000194 3.044e+003

.000094                      2.913e+003          000141                        2.435e+003         000195            2.730e+003 000095                      2.763e+003          000142                        2.155e+003         000196            2.648e+003 000096                      2.592e+003          000143                        3.229e+003         000197            2.640e+003 000097                      2.356e+003          000144                        2.815e+003         000198            2.438e+003 000098                      2.674e+003          000145                        2.735e+003         000199            2.198e+003 Supplement to Appendix B                                             B-3

TROJAN FINAL SURVEY REPORT- SUPPLEMENTTO SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093F Classification: Class 1 Survey Unit Name: FB 93' Elevation- Spent Fuel Pool - West Half Size (m2 ): 283 Scan Measurement Data Location Value Location Value Location value 000200 2.796e+003 000252 4.790e+003 000299 3. 012e+003 000201 5.394e+003 000253 1.872e+003 000300 3.028e+003 000202 2.990e+003 000254 2.181e+003 000301 2.390e+003 000203 3.173e+003 000255 2.355e+003 000302 4.446e+003 000209 1.848e+003 000256 2.624e+003 000303 2.789e+003 000210 1.685e+003 000257 2.483e+003 000304 2.632e+003 000211 .2.005e+003 000258 2.417e+003 000305 2. 394e+003 000212 2.069e+003 000259 2.217e+003 000306 2.596e+003 000213 2.280e+003 000260 2.203e+003 000307 2.560e+003 000214 2.378e+003 000261 2.031e+003 000317 6. 101e+003 000215 2. 235e+003 000262 2.592e+003 000216 2. 120e+003 000263 2.434e+003 000217 2.234e+003 000264 2. 192e+003 000218 2.341e+003 000265 2.232e+003 000219 2. 117e+003 000266 2.335e+003 000220 2.177e+003 000267 2.364e+003 000221 2.000e+003 000268 2.786e+003 000222 1.980e+003 000269 2.447e+003 000223 2.089e+003 000270 2.349e+003 000224 2. 169e+003 000271 2. 118e+003 000225 2.171e+003 000272 2.278e+003 000226 2. 120e+003 000273 2.002e+003 000227 2.002e+003 000274 3.514e+003 000228 2.177e+003 000275 5.105e+003 000229 1.771e+003 000276 1.926e+003 000230 1.937e+003 000277 2.317e+003 000231 2.184e+003 000278 2. 527e+003 000232 1.800e+003 000279 1. 837e+003 000233 1.725e+003 000280 1.969e+003 000234 2.394e+003 000281 2.374e+003 000235 2.206e+003 000282 2.269e+003 000236 1.988e+003 0002B3 2.503e+003 000237 2. 109e+003 000284 2.552e+003 000238 2.051e+003 000285 1.983e+003 000239 2.214e+003 000286 3.554e+003 000240 1.952e+003 000287 3.493e+003 000241 2.321e+003 000288 2.563e+003 000242 3.998e+003 000289 2. 452e+003 000243 2.272e+003 000290 2. 040e+003 000244 2.444e+003 000291 2. 168e+003 000245 2.048e+003 000292 2.140e+003 000246 2.151e+003 000293 2.020e+003 000247 2.237e+003 000294 2. 627e+003 .000248 2.220e+003 000295 2. 172e+003 000249 2.271e+003 000296 2.538e+003 000250 2.447e+003 000297 2.049e+003 000251 2.401e+003 000298 2.390e+003 Supplement to Appendix B B-4

C C C TROJAN FINAL SURVEY REPORT-SUPPLEMENTTO SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093F Classification: Class I Survey Unit Name: FB 93' Elevation- Spent Fuel Pool - West Half Size (m2 ): 283 Scan Measurement Locations Man Supplement to Appendix B B-5

C TROJAN FINAL SURVEY REPORT- SUPPLEMENTTO SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093F Classification: Class 1 Survey Unit Name: FB 93' Elevation- Spent Fuel Pool - West Half Size (m2 ): 283 Scan Measurement Locations Man p i+46 11347 t 5q SO H i As i l I nI -- vr i W KoX z3-X 16"

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Sunlr KWOrK PERAP 45Z m-f. . TROJAN FINAL SURVEY s* Awts s C I. MAP0O. REPARED BY SB4413F2 IEV1SION No. IR C RAYMOND REVISIONDATE 1-05-34

                                                                                                                                                                                                                  -6 no-tc. I           R                                                                                                                      DCECOED   BY            N STEI_          ODOREFERENCE 1A-75
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Supplement to Appendix B B-6

( T. FC TROJAN FINAL SUR VEY REPORT- SUPPLEMENT TO SPENT FUEL POOL. IAIPACTRT) ARRA.? FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093F Classification: Class 1 Survey Unit Name: FB 93' Elevation- Spent Fuel Pool - West Half Size (m2 ): 283 Scan Measurement Locations Map LOOKING EAST LOOKING WEST ves ve B t 2 3 4 5 EASTVXL ~~SCMLL MIMI . SvYT rcwowo PER 1' S# R. TROJAN FINAL SURVEY I .II wAPNO. i14t53r3 REVISION . so I'REtED BY ft C RAYIMON REVISION DATE SI0-54 ICONACIMI

     *CDK~tw I 2i@SA                 A962       7,E, Z-                                              CHECSEDBY    II STEIN    OVOREFERENCE A-75 R?-Z      4111 -/,As                                           I aWt      A I              SPEf T FUEL rOOL

• M_ /-- 4A 'la I .,

_ioitFTf (i I ELEVATION VrEVS Supplement to Appendix B B-7

TROJAN FINAL SURVEYREPORT- SUPPLEMENT TO SPENTFUEL POOLIMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class 1 Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Size (mi2 ): 437 Scan Measurement Data Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS 8 496 DPM/100 CM2 7.500e+003 Statistical Quantities Measurement Name: Minimum Value 1.658e+003 Maximum Value 7.859e+003 Range 6.201e+003 Median 2.512e+003 Std. Deviation : 1.602e+003 Mean 3.381e+003 95% UCL 3.500e+003 Measurement Values Location Value Location Value Location Value 000001 4.547e+003 000018 2.459e+003 000035 2'.274e+003 000002 4.685e+003 000019 2.647e+003 000036 2.417e+003 000003 2.840e+003 000020 2.588e+003 000037 2.349e+003 000004 2.603e+003 000021 2.725e+003 000038 2.252e+003 000005 5.567e+003 000022 2.882e+003 000039 2.544e+003

.000006                               2.542e+003                   000023          5.527e+003 000040                              2.374e+003 000007                                2. 612e+003                  000024          3.971e+003 000041                              2.314e+003 000008                                3.367e+003                   000025          2.675e+003 000042                              2.306e+003 000009                                3 .016e+003                  000026          2.497e+003 000043                              2.395e+003 000010                                3. 512e+003                  000027          2.503e+003 000044                              2.173e+003 000011                                3. 133e+003                  000028          2.647e+003 000045                              2 . 051e+003 000012                                3. 133e+003                  000029          2..361e+003 000046                             4.068e+003 000013                                2.489e+003                   000030          3.660e+003 000047                              2.427e+003 0000014                               2.414e+003                   000031          2. 988e+003 000048                             2.312e+-003 000015                                2.246e+003 000032                            2. 450e+003 000049                             2. 415e+003 000016                                2.424e+003 000033                            2. 619e+003 000050                              2. 571e+003 000017                                2.634e+003 000034                            2. 513e+003 000051                              2.400e+003 Supplement to Appendix B                                                      B-8

TROJAN FINAL SURVEYREPORT- SUPPLEMENT TO SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class 1 Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Size (m2 ): 437 Scan Measurement Data Location Value Location Value Location Value 000052 2.376e+003 000099 1.889e+003 000146 5.990e+003 000053 2.408e+003 000100 1.945e+003 000147 2.737e+003 000054 2.433e+003 000101 2.358e+003 000148 2.742e+003 000055 2.349e+003 000102 2.331e+003 000149 2.940e+003 000056 2.319e+003 000103 1.658e+003 000150 2.163e+003 000057 3.333e+003 000104 1.919e+003 000151 5.304e+003 000058 2 .761e+003 000105 2.389e+003 000152 4.673e+003 000059 2.647e+003 000106 2.185e+003 000153 2.696e+003 000060 2.397e+003 000107 2.353e+003 000154 2.795e+003 000061 2.367e+003 000108 2.415e+003 000155 4.575e+003 000062 2.098e+003 000109 2.863e+003 000156 2.955e+003 000063 2.609e+003 000110 2.379e+003 000157 4.262e+003 000064 2.457e+003 000111 2.447e+003 000158 3.545e+003 000065 2.299e+003 000112 5.930e+003 000159 6.306e+003 000066 2.403e+003 000113 5.774e+003 000160 6. 126e+003 000067 2.349e+003 000114 2.328e+003 000161 2. 152e+003 000068 2.465e+003 000115 6.228e+003 000162 4.067e+003 000069 2.318e+003 000116 2.483e+003 000163 3.331e+003 000070 2.476e+003 000117 2.341e+003 000164 3. 115e+003 000071 2.113e+003 000118 2.840e+003 000165 2.510e+003 000072 2.565e+003 000119 2.783e+003 000166 6.764e+003 000073 2.278e+003 000120 2.866e+003 000167 3. 941e+003 000074 4.354e+003 000121 3.150e+003 000168 5.992e+003 000075 2.468e+003 000122 4.889e+003 000169 2.595e+003 000076 3.149e+003 000123 2.834e+003 000170 3.692e+003 000077 3. 168e+003 000124 2.743e+003 000171 1.929e+003 000078 2.465e+003 000125 2.290e+003 000172 2.244e+003 000079 2.237e+003 000126 2.398e+003 000173 2.014e+003 000080 2.488e+003 000127 2.264e+003 000174 1.945e+003 000081 2.250e+003 000128 2.613e+003 000184 6.600e+003 000082 2.411e+003 000129 2.161e+003 000186 5.736e+003 000083 2.330e+003 000130 2.154e+003 000187 5.345e+003 000084 2.58 le+003 000131 2.480e+003 000188 6.928e+003 000085 2. 671e+003 000132 2.262e+003 000189 6.64 le+003 000086 4.293e+003 000133 2.105e+003 000191 5. 962e+003 000087 2.340e+003 000134 2.515e+003 000195 5. 921e+003 000088 5.279e+003 000135 2.244e+003 000196 6.785e+003 000089 4.747e+003 000136 2.321e+003 000198 5.757e+003 000090 2.332e+003 000137 2.420e+003 000199 6. 106e+003 000091 3.335e+003 000138 3.227e+003 000200 5.900e+003 000092 2.518e+003 000139 2.833e+003 000201 6. 558e+003 000093 2.361e+003 000140 4.271e+003 000203 5.674e+003 000094 5.887e+003 000141 3.103e+003 000207 6.024e+003 000095 5.443e+003 000142 3.362e+003 000209 5.140e+003 000096 2.511e+003 000143 5.314e+003 000210 6.867e+003 000097 3.220e+003 000144 2. 009e+003,000211 5.736e+003 000098 2.302e+003 000145 4.513e+003 000214 6.600e+003 Supplement to Appendix B B-9

TROJA N FINAL SUR VEY REPORT- SUPPLEMENT TO SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class 1 Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Size (m 2): 437 Scan Measurement Data Location Value Location Value Location Value 000217 6.579e+003 000285 2.301e+003 000332 2. 501e+003 000218 5 .715e+003 000286 2.219e+003 000333 2. 344e+003 000219 6.435e+003 000287 2.280e+003 000334 2.518e+003 000222 6.867e+003 000288 2.201e+003 000335 2.643e+003 000223 6. 497e+003 000289 1.892e+003 000336 2.327e+003 000224 4 .708e+003 000290 2.449e+003 000337 2.287e+003 000225 5.387e+003 000291 2.460e+003 000338 2.397e+003 000226 6.764e+003 000292 2.315e+003 000339 2.470e+003 000227 5.900e+003 000293 2. 401e+003 000340 2.194e+003 000228 5.592e+003 000294 2.161e+003 000341 2. 331e+003 000229 5.592e+003 000295 3.502e+003 000342 1.863e+003 000230 5.736e+003 000296 2.464e+003 000343 2.718e+003 000231 6.743e+003 000297 2.632e+003 000344 2.234e+003 000234 5.900e+003 000298 2.315e+003 000345 2.197e+003 000235 6.600e+003 000299 2.524e+003 000346 1.894e+003 000236 -5.921e+003 000300 1.949e+003 000347 2.524e+003 000237 5. 551e+003 000301 2.009e+003 000348 2.369e+003 000238 4.996e+003 000302 1.993e+003 000349 6.581e+003 000239 6.558e+003 000303 2. 381e+003 000350 2.286e+003 000242 5.757e+003 000304 2.703e+003 000351 2.297e+003 000243 6.209e+003 000305 2. 109e+003 000352 2.570e+003 000244 4.914e+003 000306 2.352e+003 000353 2.243e+003 000245 7. Olle+003 000307 2.352e+003 000354 3.050e+003 000246 7.216e+003 000308 2.495e+003 000355 2. 351e+003 000247 6. 312e+003 000309 2.493e+003 000356 2.513e+003 000262 2.787e+003 000310 2.423e+003 000357 2.229e+003 000263 2.648e+003 000311 2.237e+003 000358 2.231e+003 000264 2. 710e+003 000312 2.215e+003 000359 2.367e+003 000265 2.440e+003 000313 2.131e+003 000360 2.414e+003 000267 2.834e+003 000314 2.420e+003 000361 2.209e+003 000268 2.830e+003 000315 2.444e+003 000362 2. 189e+003 000269 4.231e+003 000316 2.320e+003 000363 2.647e+003 000270 4.836e+003 000317 2.224e+003 000364 2 .211e+003 000271 2.758e+003 000318 2.188e+003 000365 2.647e+003 000272 2.691e+003 000319 2.077e+003 000366 2.312e+003 000273 2.377e+003 000320 1.902e+003 000367 4.341e+003 000274 2.799e+003 000321 2.303e+003 000368 2.004e+003 000275 2.573e+003 000322 2.446e+003 000369 2.177e+003 000276 3.072e+003 000323 2.440e+003 000370 2.329e+003 000277 1.965e+003 000324 2. 612e+003 000371 2.324e+003 000278 2. 195e+003 000325 2.455e+003 000372 2.572e+003 000279 2.030e+003 000326 2.498e+003 000373 2.358e+003 000280 7. 012e+003 000327 5.951e+003 000374 2. 401e+003 000281 1.945e+003 000328 1.960e+003 000375 2.352e+003 000282 2.020e+003 000329 1.894e+003 000376 2.544e+003 000283 2.507e+003 000330 2.406e+003 000377 2.703e+003 000284 2.354e+003 000331 2.053e+003 000378 2.174e+003 Supplement to Appendix B B-10

TROJAN FlN'AL SURVEYREPORT- SUPPLEMENTTO SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class 1 Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Size (M2 ): 437 Scan Measurement Data Location Value Location Value Location Value 000379 1.960e+003 000426 2.624e+003 000473 2.261e+003 000380 2.259e+003 000427 5.802e+003 000474 2.297e+003 000381 2.148e+003 000428 2.576e+003 000475 2.483e+003 000382 2. 221e+003 000429 2.200e+003 000476 4. 899e+003 000383 1.883e+003 000430 2.420e+003 000477 2. 532e+003 000384 2.287e+003 000431 6.475e+003 000478 2.696e+003 000385 2.045e+003 000432 2.314e+003 000479 3. 617e+003 000386 2. 518e+003 000433 2.573e+003 000480 3.184e+003 000387 2.964e+003 000434 4.432e+003 000481 2.732e+003 000388 2. 175e+003 000435 2.024e+003 000482 2.669e+003 000389 2.284e+003 000436 2. 641e+003 000483 5.859e+003 000390 2.218e+003 000437 2.274e+003 000484 2.370e+003 000391 7.248e+003 000438 2.331e+003 000485 2.460e+003 000392 2.206e+003 000439 5.736e+003 000486 2.683e+003 000393 1.942e+003 000440 2.208e+003 000487 2 .712e+003 000394 2.073e+003 000441 2.271e+003 000488 5.562e+003 000395 3.225e+003 000442 2.249e+003 000489 4.948e+003 000396 2.469e+003 000443 2.331e+003 000490 6.120e+003 000397 2.025e+003 000444 2. 140e+003 000491 5.673e+003 000398 1.84 le+003 000445 5.325e+003 000492 4.992e+003 000399 2.214e+003 000446 2.214e+003 000493 2.123e+003 000400 2.054e+003 000447 2.246e+003 000494 2.487e+003 000401 2.435e+003 000448 2. 157e+003 000495 2.370e+003 000402 5. 171e+003 000449 1.942e+003 000496 6.312e+003 000403 2.269e+003 000450 1.685e+003 000497 5.983e+003 000404 2. 317e+003 000451 2.200e+003 000498 5.859e+003 000405 2.437e+003 000452 2. 191e+003 000499 6. 661e+003 000406 2.200e+003 000453 2.549e+003 000500 6. 188e+003 000407 2. 051e+003 000454 2.229e+003 000501 6.086e+003 000408 2.434e+003 000455 5. 804e+003 000504 6.373e+003 000409 1.701e+003 000456 5.878e+003 000513 6.743e+003 000410 2.215e+003 000457 6.269e+003 000514 6.106e+003 000411 2.472e+003 000458 2.503e+003 000518 6. 949e+003 000412 2.407e+003 000459 2. 165e+003 000519 6.764e+003 000413 2.086e+003 000460 2. 140e+003 000520 5.983e+003 000414 2.059e+003 000461 2.366e+003 000521 6.497e+003 000415 2.492e+003 000462 3.322e+003 000523 7.237e+003 000416 2.415e+003 000463 2.667e+003 000524 5.695e+003 000417 2.117e+003 000464 5.952e+003 000525 6.291e+003 000418 2.186e+003 000465 5.432e+003 000526 5.469e+003 000419 2.129e+003 000466 5.915e+003 000527 4.235e+003 000420 2.332e+003 000467 2.709e+003 000529 4.914e+003 000421 2.309e+003 000468 7.296e+003 000530 5.983e+003 000422 2.286e+003 000469 2.381e+003 000532 6.990e+003 000423 2.321e+003 000470 2. 101e+003 000533 5.572e+003 000424 2.746e+003 000471 2.607e+003 000535 5.839e+003 000425 6.118e+003 000472 2.796e+003 000536 5.304e+003 Supplement to Appendix B B-ll

TROJAN FINAL SUR VEY REPORT- SUPPLEMENT TO SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class 1 Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Size (m2): 437 Scan Measurement Data Location Value 000537 5.654e+003 000538 6. 127e+003 000540 5.777e+003 000542 5.407e+003 000543 6.620e+003 000544 6.456e+003 000546 4 .914 e+003 000548 4.831e+003 000549 7.859e+003 000550 6.497e+003 000564 6.229e+003 000565 4.729e+003 000567 4.873e+003 000568 6.928e+003 000573 6.928e+003 000574 2.006e+003 000575 2. 410e+003 000576 2. 155e+003 000577 2.351e+003 000578 2.296e+003 000579 2.271e+003 000580 2.660e+003 Supplement to Appendix B B-12

C' TROJAN FINAL URVEYREPORT- SUPPLEMENT TO SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class 1 Size (M2 ): 437 Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Scan Measurement Locations Map Supplement to Appendix B B-13

( TROJAN FINAL SURVEY REPORT- SUPPLEMENT TO SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class 1 Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Size (M2 ): 437 Scan Measurement Locations Map Supplement to Appendix B B-14

c CF (7 TROJAN FINAL SURVEY REPORT- SUPPLEMENT TO SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class 1 Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Size (m.2 ): 437 Scan Measurement Locations Map Supplement to Appendix B B-15

c C TROJAN FINAL SURVEY REPORT- SUPPLEMIENT TO SPENT FUEL POOL IMPACTED AREAS' CT FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class 1 Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Size (M2): 437 Scan Measurement Locations Map TI 41:2. 57, rr"\ cig. Li ' y

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Supplement to Appendix B B-16

C' TROJAN FINAL SURVEY REPORT- SUPPLEMENT TO SPENT FUIL POOL IMPACTEFD A REA FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class 1 Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Size (Mi): 437 Scan Measurement Locations Man Supplement to Appendix B B-17

C C TROJAN FINAL SURVEY REPORT- SUPPLEMENTTO SPENT FUEL POOL IMPACTED AREAS C FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class I Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Size(m2): 437 Scan Measurement Locations Map i S so H TEl 7 so H - i I 7 I t I II I I I II I' I 7 I I II II1 i *i II II EL 4-LOKNGES Al1UV -

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C TROJN FINAL SURVEY REPORT- SUPPLEMENT TO SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093G Classification: Class I Size (m2 ): 437 Survey Unit Name: FB 93' Elevation - Fuel Transfer Canal Scan Measurement Locations Map 14 SO H4

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lu _tW! Supplement to Appendix B B-19

TROJAN FINAL SURVEY REPORT- SUPPLEMENTTO SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093H Classification: Class I Survey Unit Name: FB 93' Elevation - Cask Load Pit Size (m2 ): 206 Scan Measurement Data Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS 8 218 DPM/100 CM2 7.500e+003 Statistical Quantities Measurement Name: Minimum Value 1.808e+003 Maximum Value 7 .015e+003 Range 5.207e+003 Median 2.572e+003 Std. Deviation : 1.048e+003 Mean 2.982e+003 95% UCL 3. 099e+003 Measurement Values Location Value Location Value Location Value 000001 4.833e+003 000018 2 .167e+003 000035 2.231e+003 000002 2.943e+003 000019 2.185e+003 000036 2.681e+003 000003 3.680e+003 000020 2. 418e+003 000037 2.375e+003 000004 2.813e+003 000021 2. 187e+003 000038 2.515e+003 000005 4.112e+003 000022 2.554e+003 000039 3.054e+003 000006 4.702e+003 000023 2.463e+003 000040 2. 121e+003 000007 3. lOOe+003 000024 2.349e+003 000041 2.329e+003 000008 3.484e+003 000025 2. 099e+003 000042 2.440e+003 000009 2.274e+003 000026 3.947e+003 000043 3.276e+003 000010 2.397e+003 000027 4.365e+003 000044 2.373e+003 000011 2.567e+003 000028 3.005e+003 000045 2.422e+003 000012 2.225e+003 000029 2.347e+003 000046 2.578e+003 000013 2.285e+003 000030 2.508e+003 000047 2.516e+003 0000 14 2.418e+003 000031 2.375e+003 000048 2. 144e+003 000015 2.291e+003 000032 2.968e+003 000049 2.368e+003 000016 2.257e+003 000033 2.156e+003 000050 2.330e+003 000017 2.120e+003 000034 2.329e+003 000051 4.273e+003 Supplement to Appendix B B-20

TROJAN FINAL SURVEY REPORT- SUPPLEMENT TO SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093H Classification: Class 1 Survey Unit Name: FB 93' Elevation - Cask Load Pit Size (m2 ): 206 Scan Measurement Data Location Value Location Value Location Value 000052 2.265e+003 000099 2.646e+003 000146 2.220e+003 000053 2.274e+003 000100 2.404e+003 000147 2.068e+003 000054 2.463e+003 000101 3.496e+003 000148 2.660e+003 000055 2.650e+003 000102 2.984e+003 000149 2.170e+003 000056 2.457e+003 000103 4.407e+003 000150 2. 191e+003 000057 3.465e+003 000104 3.029e+003 000151 2.547e+003 000058 2.247e+003 000105 5.009e+003 000152 2. 108e+003 000059 2. 661e+003 000106 3.295e+003 000153 2.364e+003 000060 2.202e+003 000107 3.124e+003 000154 2.408e+003 000061 2.257e+003 000108 3.592e+003 000155 2.278e+003 000062 2.947e+003 000109 2.765e+003 000156 2.558e+003 000063 2.397e+003 000110 3.983e+003 000157 2.291e+003 000064 3.791e+003 000111 3.785e+003 000158 2.290e+003 000065 2.126e+003 000112 2.657e+003 000159 2.650e+003 000066 2.756e+003 000113 2.579e+003 000160 2.706e+003 000067 2.399e+003 000114 2.488e+003 000161 2.625e+003 000068 3.589e+003 000115 2.839e+003 000162 2.076e+003 000069 6.351e+003 000116 5.628e+003 000163 2.281e+003 000070 4.367e+003 000117 2.492e+003 000164 2.369e+003 000071 3.815e+003 000118 2.752e+003 000165 2.397e+003 000072 2.268e+003 000119 2.312e+003 000166 2.364e+003 000073 2. 617e+003 000120 2.443e+003 000167 2.620e+003 000074 2.829e+003 000121 2.426e+003 000168 2.765e+003 000075 3.306e+003 000122 2.530e+003 000169 1.808e+003 000076 2.488e+003 000123 2.334e+003 000170 2. 214e+003 000077 7.015e+003 000124 2. 830e+003 000171 2. 272e+003 000078 6.739e+003 000125 5. 115e+003 000172 2. 644e+003 000079 2.576e+003 000126 2. 170e+003 000173 4.739e+003 000080 2.251e+003 000127 2.259e+003 000174 4.708e+003 000081 2.211e+003 000128 2.858e+003 000175 2.440e+003 000082 2.355e+003 000129 2.393e+003 000176 2.198e+003 000083 2.647e+003 000130 2.279e+003 000177 4.788e+003 000084 2.467e+003 000131 2.242e+003 000178 3.124e+003 000085 2.544e+003 000132 2.324e+003 000179 2.266e+003 000086 2.805e+003 000133 2.335e+003 000180 2.418e+003 000087 2.409e+003 000134 2.191e+003 000181 2.654e+003 000088 2.467e+003 000135 2.654e+003 000182 3.341e+003 000089 2.628e+003 000136 2.423e+003 000183 3. 921e+003 000090 2.532e+003 000137 4.035e+003 000184 4.176e+003 000091 4.640e+003 000138 5.247e+003 000185 3.751e+003 000092 2.302e+003 000139 2.133e+003 000186 2.935e+003 000093 2.340e+003 000140 2.200e+003 000187 2.679e+003 000094 2.280e+003 000141 3. 102e+003 000188 2.920e+003 000095 2.622e+003 000142 2.127e+003 000189 2.987e+003 000096 2.417e+003 000143 2.307e+003 000190 3.232e+003 000097 3.576e+003 000144 4.745e+003 000191 2.606e+003 000098 5.774e+003 000145 2. 120e+003 000192 2.749e+003 Supplement to Appendix B B-21

TROJAN FINAL SURVEY REPORT- SUPPLEMENT TO SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093H Classification: Class 1 Survey Unit Name: FB 93' Elevation - Cask Load Pit Size (M2 ): 206 Scan Measurement Data Location Value 000193 2.430e+003 000194 2.805e+003 000195 4.985e+003 000197 5.990e+003 000198 4.743e+003 000199 5.599e+003 000200 6.194e+003 000210 5.729e+003 000214 2.801e+003 000215 3.291e+003 000216 2.320e+003 000217 2. 111e+003 000218 2.294e+003 000219 2.357e+003 000220 2.739e+003 000221 6.214e+003 000222 2.853e+003 000223 2. 681e+003 000224 2.687e+003 000225 3.070e+003 000226 4. 177e+003 000227 6. 971e+003 000228 3.191e+003 000229 4.886e+003 000230 2.692e+003 000231 3 . 991e+003 Supplement to Appendix B B-22

C, C, C TROJAN FINAL SURVEY REPORT- SUPPLEMENTTO SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093H Classification: Class 1 Survey Unit Name: 1B 93' Elevation - Cask Load Pit Size (M2 ): 206 Scan Measurement Locations Map Supplement to Appendix B B-23

( C TROJAN FINAL SURVEY REPORT- SUPPLEMENT TO SPENT FUEL POOL IMPACTED AREAS C FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093H Classification: Class I Survey Unit Name: FB 93' Elevation - Cask Load Pit Size (m2 ): 206 Scan Measurement Locations Map F7

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Z. ,;Z/ to so H CONCRETEI EL 57-lD%, LOOKING NORTH LOOKING EAST LOOKING WEST AT YIEY A-A AT VIEWB-9 AT YIEV C-C PLAN VIEW OF ROOM 285 S I 2 3 4 5 CAS) LO PIT E(IERSI SCMI EL 4V-4W sLMET1nflwo nfD opC452 Rev'. L TROJAN FINAL SURVEY ____ ___ PRW SICM CMII MAPINM W l REVISION _ s PREPARED BY N STEIN AREYYISINDA.TE 3B-95-04 naoIem I A COECIEDBY lJ COOPER ID REFERENCE A75 ItWM4cmB I &kC v I I TERFu-o"" I CASKLOADFT I Fun -. Supplement to Appendix B B-24

C' C TROJAN FINAL SURVEY REPORT- SUPPLEMENTTO SPENT FUEL POOL IMPACTED A RRA5? c FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093H Classification: Class I Survey Unit Name: FB 93' Elevation - Cask Load Pit Size (m2 ): 206 Scan Measurement Locations Man

                         /CW T-¶ ON TEJ

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I I I Ne I---- ..-. ar 4 I Supplement to Appendix B B-25

C TROJAN FINAL SURVEY REPORT- SUPPLEMNTTO SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093H Classification: Class I Survey Unit Name: FB 93' Elevation - Cask Load Pit Size (m2 ): 206 Scan Measurement Locations Map 05Gso ) 37 so " EL.93-B

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      ?CECM        W    imN21-L                             A CASW Lw    PT CID£TCH                    LEXVATTON VIMS FU a- Fl' Supplement to Appendix B                                                                       B-26

TROJAN FINAL SURVEYREPORT- SUPPLEMENT TO SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093J Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool - East Half Size (m2 ): 314 Scan Measurement Data Type 1 Error  : 5.000e-002 Type 2 Error  : S.OOOe-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN FRS 8 329 DPM/100 CM2 7.500e+003 Statistical Quantities Measurement Name: Minimum Value 1.673e+003 Maximum Value 7. 130e+003 Range 5.457e+003 Median 2.369e+003 Std. Deviation : 8. 671e+002 Mean 2.578e+003 95% UCL 2.657e+003 Measurement Values Location Value Location Value Location Value 000001 2.997e+003 000018 2.981e+003 000035 2.895e+003 000002 3. 197e+003 000019 2. 615e+003 000036 2.898e+003 000003 2.864e+003 000020 7.130e+003 000037 2.829e+003 000004 2.901e+003 000021 2.925e+003 000038 2.778e+003 000005 2.572e+003 000022 2.810e+003 000039 6.294e+003 000006 2.464e+003 000023 2.913e+003 000040 2. 911e+003 000007 3.044e+003 000024 2.695e+003 000041 2.811e+003 000008 2.610e+003 000025 3. 174e+003 000042 2.291e+003 000009 2.934e+003 000026 2.978e+003 000043 2.801e+003 000010 2.814e+003 000027 2.890e+003 000044 2.507e+003 000011 2.647e+003 000028 6.315e+003 000045 2.680e+003 000012 3.009e+003 000029 2. 571e+003 000046 2.870e+003 000013 2.946e+003 000030 2.457e+003 000047 6.636e+003 0000014 2.775e+003 000031 2.553e+003 000048 2.777e+003 000015 2.819e+003 000032 2.634e+003 000049 2.769e+003 000016 2.710e+003 000033 2.783e+003 000050 2.451e+003 000017 2.731e+003 000034 2.760e+003 000051 2.637e+003 Supplement to Appendix B B-27

TROJAN FINAL SUR VEY REPORT- SUPPLEMENT TO SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093J Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool - East Half Size (m 2 ): 314 Scan Measurement Data Location Value Location Value Location Value 000052 2.557e+003 000099 3.016e+003 000146 1.991e+003 000053 2.739e+003 000100 3.052e+003 000147 2.440e+003 000054 4.652e+003 000101 2.834e+003 000148 2. 158e+003 000055 2.592e+003 000102 2.742e+003 000149 2.168e+003 000056 3.298e+003 000103 2.080e+003 000150 2.323e+003 000057 3.676e+003 000104 2.066e+003 000151 2.131e+003 000058 3.336e+003 000105 1.975e+003 000152 2.244e+003 000059 2.841e+003 000106 2.295e+003 000153 2.257e+003 000060 2.885e+003 000107 2. 192e+003 000154 2.086e+003 000061 2.924e+003 000108 2.680e+003 000155 1.945e+003 000062 2.784e+003 000109 2.538e+003 000156 3.440e+003 000063 2. 810e+003 000110 1.840e+003 000157 2.361e+003 000064 2.706e+003 000111 2.025e+003 000158 2. 194e+003 000065 2.478e+003 000112 1.952e+003 000159 2.072e+003 000066 2.821e+003 000113 1.877e+003 000160 2.214e+003 000067 2.755e+003 000114. 2.100e+003 000161 2.477e+003 000068 2.433e+003 000115 1.940e+003 000162 2.792e+003 000069 2.467e+003 000116 1.739e+003 000163 4.971e+003 000070 2.630e+003 000117 1.726e+003 000164 4.149e+003 000071 2.594e+003 000118 1.935e+003 000165 2.987e+003 000072 3.319e+003 000119 1.834e+003 000166 3.093e+003 000073 2.543e+003 000120 2.398e+003 000167 6.338e+003 000074 2.961e+003 000121 2.074e+003 000168 2.970e+003 000075 5.261e+003 000122 1.998e+003 000169 5.261e+003 000076 6.478e+003 000123 1.871e+003 000170 6.725e+003 000077 2.569e+003 000124 2.089e+003 000172 2. 031e+003 000078 2.538e+003 000125 2.034e+003 000173 2. 109e+003 000079 3.699e+003 000126 2.000e+003 000174 1.949e+003 000080 3.605e+003 000127 2.075e+003 000175 1. 819e+003 000081 6.853e+003 000128 1.908e+003 000176 1. 888e+003 000082 1.980e+003 000129 1.940e+003 000177 3.980e+003 000083 1.825e+003 000130 2. 118e+003 000178 2.091e+003 000084 2.048e+003 000131 2. 158e+003 000179 2.038e+003 000085 1.928e+003 000132 2. 018e+003 000180 2.857e+003 000086 2.009e+003 000133 1. 917e+003 000181 2.529e+003 000087 3.195e+003 000134 2.115e+003 000182 2.264e+003 000088 2.554e+003 000135 2. 131e+003 000183 1.909e+003 000089 1.922e+003 000136 1.980e+003 000184 2.126e+003 000090 2.226e+003 000137 1.949e+003 000185 2. 410e+003 000091 5.279e+003 000138 2. 100e+003 000186 2.241e+003 000092 2. 618e+003 000139 2.188e+003 000187 2. 141e+003 000093 2.879e+003 000140 1.875e+003 000188 1.971e+003 000094 5.048e+003 000141 2.575e+003 000189 2.218e+003 000095 2.447e+003 000142 2.201e+003 000190 2.025e+003 000096 2.168e+003 000143 2.108e+003 000191 2.212e+003 000097 2.271e+003 000144 2.078e+003 000192 2 211e+003 000098 2.596e+003 000145 2.340e+003 000193 2 .274e+003 Supplement to Appendix B B-28

TROJAN FINAL SURVEYREPORT- SUPPLEMENT TO SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093J Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool - East Half Size (m2 ): 314 Scan Measurement Data Location Value Location Value Location Value 000194 2.062e+003 000246 2.234e+003 000293 2.174e+003 000195 1.929e+003 000247 1.989e+003 000294 2.414e+003 000196 2.295e+003 000248 2.507e+003 000295 2.108e+003 000197 2.068e+003 000249 2. 441e+003 000296 1.942e+003 000198 2.146e+003 000250 2.369e+003 000297 2.051e+003 000199 2.217e+003 000251 2.529e+003 000298 2.097e+003 000200 2.034e+003 000252 2.343e+003 000299 2.208e+003 000201 1.943e+003 000253 2.306e+003 000300 2.215e+003 000202 3.444e+003 000254 2.366e+003 000301 2.312e+003 000203 2. 105e+003 000255 2. 015e+003 000302 2.403e+003 000204 2.385e+003 000256 2.541e+003 000303 2.517e+003 000205 2.400e+003 000257 2.218e+003 000304 2.264e+003 000206 2.005e+003 000258 2.078e+003 000305 2.140e+003 000207 2. 117e+003 000259 1. 971e+003 000306 2.172e+003 000208 2.055e+003 000260 1.989e+003 000307 2.246e+003 000209 2.500e+003 000261 2.510e+003 000308 2.180e+003 000210 2.420e+003 000262 2.217e+003 000309 2.188e+003 000211 2.604e+003 000263 2.405e+003 000310 2.246e+003 000212 2.101e+003 000264 2.548e+003 000311 2.287e+003 000213 2.137e+003 000265 2.144e+003 000312 2.372e+00-3 000214 1.945e+003 000266 2.228e+003 000313 2.400e+003 000215 2.092e+003 000267 2.197e+003 000314 2.318e+003 000216 2.470e+003 000268 2.304e+003 000315 2.471e+003 000217 2.506e+003 000269 2.168e+003 000316 2.616e+003 000218 2.160e+003 000270 2.191e+003 000317. 2.562e+003 000219 2.171e+003 000271 2.083e+003 000318 2.264e+003 000220 2.025e+003 000272 1.696e+003 000319 2.386e+003 000221 1.971e+003 000273 1.673e+003 000320 2.078e+003 000222 2.308e+003 000274 2.668e+003 000321 2.634e+003 000223 3.014e+003 000275 2.320e+003 000322 2.550e+003 000224 2. 621e+003 000276 1.859e+003 000323 2.237e+003 000225 2. 961e+003 000277 2.169e+003 000324 - 2.572e+003 000226 2. 912e+003 0002778 2.473e+003 000325 2.404e+003 000227 2.822e+003 000279 2.168e+003 000326 2.563e+003 000228 3.385e+003 000280 1.931e+003 000327 2.792e+003 000231 5.971e+003 000281 1.954e+003 000328 2.975e+003 000234 5.022e+003 000282 1.872e+003 000329 2.679e+003 000236 2.077e+003 000283 1.966e+003 000330 2.790e+003 000237 2.057e+003 000284 2.095e+003 000331 2.742e+003 000238 1.948e+003 000285 2.338e+003 000332 2.836e+003 000239 2.172e+003 000286 1.885e+003 000333 2.964e+003 000240 2.407e+003 000287 2.006e+003 000334 2.852e+003 000241 2.655e+003 000288 2.220e+003 000345 2.645e+003 000242 2.489e+003 000289 1.977e+003 000243 2.503e+003 000290 2.263e+003 000244 2.160e+003 000291 2.281e+003 000245 2.108e+003 000292 2.146e+003 Supplement to Appendix B B-29

C TROJAN FINAL SURVEY REPORT- SUPPLEMENT TO SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093J Classification: Class I Survey Unit Name: FB 93' Elevation - Spent Fuel Pool - East Half Size (M2 ): 314 Scan Measurement Locations Map Supplement to Appendix B B-30

C TROJAN FINAL, "UJR VEY REPORT- SUPPLEMEFNT TO TLC. SPENT FUEL POOL IM PArT~FQA RFAN FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093J Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool - East Half Size (M2 ): 314 Scan Measurement Locations Map i 74 50 163 20 ' i \ 74 50 H a,* i CONCRETE) WCETEI E " -v n  ! I

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• I 2 3  ; 5 SCElL I TERSt
• At- PT FW "PtP 42 M W .. 5 TROJAN FINAL SURVEY '

MIP IMM S I REVISION INM - W-UmsI "W V1 PREPARED R C RAIRD. REVISON DTE l8-04 IW ttcc~0r<Js/x CHECED By N bTEm I DW' Rf7ERE*CE A-70

                                                                                                                                                                                       -DESRIPTON                     LEVAnEDIVEV2 gm-r Supplement to Appendix B                                                                                                   B-31

c. TROJAN FINAL SUR VEY REPORT- SUPPLEMENT TO SPENT FUEL POOL IMPACTED REAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093J Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool - East Half Size (M2 ): 314 Scan Measurement Locations Map

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jolhm 4$ CHECKF BY " STE~d MMOREFERME A-7?_! wre-mm~I -DC N90 I 11 DESCRIPTIN eLIVATW4 YVW" I.- Supplement to Appendix B B-32

TROJAN FINAL SUR VEY REPORT- SUPPLEMENTTO SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093Q Classification: Class I Survey Unit Name: FB 93' Elevation - Laydown Area - West Half Size (m2 ): 121 Scan Measurement Data Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS 8 140 DPM/100 CM2 7.500e+003 - Statistical Quantities Measurement Name: Minimum Value 1. 128e+003 Maximum Value 1.234e+004 Range 1. 121e+004 Median 2.998e+003 Std. Deviation  : 1.679e+003 Mean 3.317e+003 95% UCL 3.552e+003 Measurement Values Location Value Location Value Location Value 000001 3. 119e+003 000018 3.550e+003 000035 2 .833e+003 000002 2.953e+003 000019 3.342e+003 000036 2. 938e+003 000003 2.936e+003 000020 3.438e+003 000037 3.233e+003 000004 3.023e+003 000021 3.500e+003 000038 2.972e+003 000005 3.118e+003 000022 5.526e+003 000039 3.105e+003 000006 2.845e+003 000023 3.452e+003 000040 2.942e+003 000007 3.113e+003 000024 3.376e+003 000041 3.093e+003 000008 6.865e+003 000025 5.291e+003 000042 2.998e+003 000009 3.173e+003 000026 2.620e+003 000043 4.024e+003 000010 3.549e+003 000027 3.068e+003 000044 3. 124e+003 000011 3.725e+003 000028 2.521e+003 000045 2.956e+003 000012 3.384e+003 000029 2.843e+003 000046 2. 864e+003 000013 3.353e+003 000030 2.855e+003 000047 3. 037e+003 000014 3.784e+003 000031 2.801e+003 000048 2.792e+003 000015 3.370e+003 000032 2.975e+003 000049 2.936e+003 000016 3.592e+003 000033 2.988e+003 000050 3 199e+003 000017 3.607e+003 000034 2.842e+003 000051 2. 840e+003 Supplement to Appendix B B-33

TROJAN FINAL SUR VEY REPORT- SUPPLEMENT TO SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093Q Classification: Class 1 Survey Unit Name: FB 93' Elevation - Laydown Area - West Half Size (m 2 ): 121 Scan Measurement Data Location Value Location Value 000052 2.902e+003 000099 3. 106e+003 000053 3.065e+003 000100 3.592e+003 000054 2. 910e+003 000101 3.059e+003 000055 2.538e+003 000102 2.314e+0.03 000056 3.311e+003 000103 2. 651e+003 000057 2.992e+003 000104 1.457e+003 000058 6.848e+003 000105 1.492e+003 000059 3.147e+003 000106 1.527e+003 000060 4.222e+003 000107 1.547e+003 000061 7.277e+003 000108 1.604e+003 000062 6.722e+003 000109 1.299e+003 000063 3. 088e+003 000110 1.856e+003 000064 2.954e+003 000111 1.810e+003 000065 3.273e+003 000112 1.493e+003 000066 3.038e+003 000113 1.363e+003 000067 3.627e+003 000114 1. 421e+003 000068 2.908e+003 000115 1. 411e+003 000069 2.958e+003 000116 1.805e+003 000070 3. 175e+003 000117 1.458e+003 000071 3.255e+003 000118 1.429e+003 000072 3. 136e+003 000119 1.497e+003 000073 2.944e+003 000120 1.544e+003 000074 2.997e+003 000121 1.658e+003 000075 2.870e+003 000122 2.309e+003 000076 7.976e+003 000123 1.592e+003 000077 3.946e+003 000124 1.128e+003 000078 1.234e+004 000125 1.174e+003 000079 3.849e+003 000126 1.272e+003 000080 3.066e+003 000127 1.675e+003 000081 3.388e+003 000128 1.428e+003 000082 3.161e+003 000129 6.944e+003 000083 3.047e+003 000130 1.632e+003 000084 3.314e+003 000131 1.719e+003 000085 2.916e+003 000132 7 . 118e+003 000086 3.217e+003 000133 5. 013e+003 000087 2. 910e+003 000134 6.725e+003 000088 2.792e+003 000135 7.227e+003 000089 2.892e+003 000136 7.205e+003 000090 2.922e+003 000137 6.662e+003 000091 2.777e+003 000138 7.140e+003 000092 2.956e+003 000139 7.400e+003 000093 2.843e+003 000140 6.749e+003 000094 3.428e+003 000095 2.901e+003 000096 2.870e+003 000097 2.784e+003 000098 3.003e+003 Supplement to Appendix B B-34

C 2 TROJAN FINAL SURVEY REPORT- SUPPPLEMENTTO SPENT FUEL POOL IMPACTED EAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093Q Classification: Class I Survey Unit Name: FB 93' Elevation - Laydown Area - West Half Size (m2 ): 121 Scan Measurement Locations Map "I SO K t 7.-a. OLOMV1 n so N Ws CONCRETE) \ OD5 ° 4 Y7Y 1I a 1wqirila L M I\/' i 4 ] "\,j

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                                                                   . 2841& 28   ,c PLANVIYEW OF ROODM281 & 284 ROt  PIEO   Pt Pr 43
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____ Pow B DM IMAP N(. S04g"O 1EMISON4 NO. PIARI BY I C AYM? REVISIO4 DATE 6824-44 Ia*-= BY n STEW I OVO REFERNME A-75 nr.. -PjIlTs Iw IuI-t e/,} I 2 SC-E #(TtRSI 4 ASCsRPTEA- I LAYDOV AREA PLA VMV r.Fu -_ "c Supplement to Appendix B B-35

C TROJAN FINAL SLl? VEY REPORT- SUPPPLEMENTTO SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093Q Classification: Class I Survey Unit Name: FB 93' Elevation - Laydown Area - West Half Size (mi2): 121 Scan Measurement Locations Map (SIEELI LOOKING WEST AT COALOIE0 1 LOMl 1t 13Z&o 13

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                                                                                                                                                                          /u Supplement to Appendix B                                                                   B-36

TROJAN FINAL SURVEY REPORT- SUPPLEMENT TO SPENTFUEL POOL IMPACTEDAREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093R Classification: Class 1 Survey Unit Name: FB 93' Elevation - Laydown Area - East Half Size (m2 ): 158 Scan Measurement Data Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+O00 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN NM 8 159 DPM/l00 CM2 7.500e+003 Statistical Quantities Measurement Name: Minimum Value 9. 192e+002 Maximum Value 6.402e+003 Range 5.483e+003 Median 2.766e+003 Std. Deviation : 1.085e+003 Mean 2.684e+003 95% UCL 2.827e+003 Measurement Values Location Value Location Value Location Value 000001 3.401e+003 000018 2.904e+003 000035 2.725e+003 000002 2.990e+003 000019 3.071e+003 000036 2.395e+003 000003 2.892e+003 000020 3.133e+003 000037 3.227e+003 000004 3.149e+003 000021 3.037e+003 000038 3.062e+003 000005 3.171e+003 000022 3.106e+003 000039 2.869e+003 000006 3.059e+003 000023 3.247e+003 000040 2.746e+003 000007 3.022e+003 000024 2.990e+003 000041 3.106e+003 000008 3.307e+003 000025 2.934e+003 000042 3. 031e+003 000009 3.472e+003 000026 2.954e+003 000043 3.321e+003 000010 3.324e+003 000027 3.189e+003 000044 3.019e+003 000011 2.805e+003 000028 3.078e+003 000045 3.061e+003 000012 2.981e+003 000029 3.460e+003 000046 3.035e+003 000013 3.205e+003 000030 3.357e+003 000047 3. 071e+003 000014 3.118e+003 000031 2.358e+003 000048 3.637e+003 000015 3.242e+003 000032 2.680e+003 000049 2.771e+003 000016 3.174e+003 000033 2.344e+003 000050 2.718e+003 000017 3.183e+003 000034 2.474e+003 000051 2.967e+003 Supplement to Appendix B B-37

TROJAN FINAL SURVEYREPORT-SUPPLEMErT TO SPENTFUEL POOL IMPACTEDAREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093R Classification: Class 1 Surney Unit Name: FB 93' Elevation - Laydown Area - East Half Size (m2 ): 158 Scan Measurement Data Location Value Location Value Location Value 000052 3.141e+003 000099 2.220e+003 000148 9.772e+002 000053 2.501e+003 000100 2.246e+003 000149 1.087e+003 000054 2.533e+003 000101 2.200e+003 000150 9.192e+002 000055 2.435e+003 000103 1.528e+003 000151 1.024e+003 000056 2.766e+003 000104 4.630e+003 000152 1.057e+003 000057 2.692e+003 000105 6.402e+003 000153 4.027e+003 000058 3.085e+003 000106 5.602e+003 000154 6.209e+003 000059 2.764e+003 000107 5.793e+003 000155 5.783e+003 000060 2.836e+003 000109' 1.745e+003 000156 2.146e+003 000061 2.833e+003 000110 2.064e+003 000157 5.519e+003 000062 2.702e+003 000111 1.898e+003 000158 6.351e+003 000063 4.885e+003 000112 1.837e+003 000159 3.180e+003 000064 2.391e+003 000113 1.909e+003 000160 5.215e+003 000065 3.OOOe+003 000114 1.825e+003 000161 2.755e+003 000066 2.922e+003 000115 1.933e+003 000067 2.876e+003 000116 2.014e+003 000068 2.683e+003 000117 1.638e+003 000069 2.993e+003 000118 1.635e+003 000070 2.898e+003 000119 2.589e+003 000071 3.106e+003 000120 2.435e+003 000072 2.813e+003 000121 1.768e+003 000073 2.950e+003 000122 4.318e+003 000074 2. 801e+003 000123 1.996e+003 000075 3.055e+003 000124 1. 915e+003 000076 2.789e+003 000125 1.789e+003 000077 2.943e+003 000126 1.851e+003 000078 4.024e+003 000127 1.928e+003 000079 4.930e+003 000128 1.974e+003 000080 3.087e+003 000129 1.786e+003 000081 2.814e+003 000130 1.828e+003 000082 2.937e+003 000131 2.011e+003 000083 3.153e+003 000132 2. 164e+003 000084 2.902e+003 000133 1.217e+003 000085 2.421e+003 000134 1. 127e+003 000086 2.191e+003 000135 1.139e+003 000087 1.831e+003 000136 1. 151e+003 000088 2.054e+003 000137 1.056e+003 000089 2.067e+003 000138 1. 145e+003 000090 2.222e+003 000139 1.078e+003 000091 1.961e+003 000140 9.945e+002 000092 1.892e+003 0001 41 1.004e+003 000093 2.078e+003 000142 1.030e+003 000094 2.627e+003 000143 1.084e+003 000095 2.054e+003 000144 9.337e+002 000096 2. 175e+003 000145 1.709e+003 000097 2.544e+003 000146 9. 818e+002 000098 2.373e+003 000147 1.094e+003 Supplement to Appendix B B-38

( TROJAN FINAL SURVEY REPORT- SUPPLEMENT TO SPENT FUEL POOL IMPArTEflQPA V FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093R Classification: Class 1 Survey Unit Name: FB 93' Elevation - Laydown Area - East Half Size (m2 ): 158 Scan Measurement Locations Man

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                                -az (rl 15-S-0 e:L/

M BY 04ECKEO BY SW46lM lRC Y IH CSTPEDIY~ DRVM DATE ItRVI5tON RF~t01McZ LATLAVN rMn 96-24-44 107 nra4ZS*,, _ I rLMI Ylt fu Supplement to Appendix B B-39

C TROJAN FINAL SIR VEY REPORT- SUPPLEMENT TO SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093R Classification: Class 1 Survey Unit Name: FB 93' Elevation - Laydown Area - East Half Size (m2): 158 Scan Measurement Locations Map c~rSONH

                                                                                                                                            @.75      7C,
                                                                                                                         -i             oU     ELS        HW I                7.SSO H By LOWWIN     SOUITH ATYVN      v TtCMr-AFxr mi*             tb LOMNG SOUT a MV "

I i 2 3 4 "15 PLAN VIEW OF ROOM 281 & 284 SCALEOCRS) S Y IoWoo PER N* 4S2 r._ I TROJAN FINAL SURVEY 51IM'nN DA Om SI4Im iO I_ _E.!sio4 PRSPED BY I EDm Y N S _I IIZV vi REERCE-IL I I T(cf1 IS A - TtOWeL a2 e%& LIZ .I.6' I DESCR0PTDW I LAVV PLNt V4V A'EA __ _ _VWF1 Supplement to Appendix B B-40

C'# C TROJAN FINAL S UR VEY REPORT- SUPPLEMENTTO SPENT FUEL POOL IMPACTEDCAREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093R Classification: Class I Survey Unit Name: FB 93' Elevation - Laydown Area - East Half Size (m2 ): 158 Scan Measurement Locations Map LOOKING EAST LOOKING NRTH AT C.LMA A EV W AT . a I 2 3 41 5 SCALE WETERSI

    $.mt, KloVco n" A     42   .                                                                        TROJlAN FINAL SURVEY ts    nftwl          7   -.                      C                                       I       "a. 19349    FR-EYISION19. I     _

nnrw .k_ IPRcD By R A IREVIS TE 0-24 _4

   ,,_               .,    z       B     ,    ir  - ,                                                        _. .-    _

Mm RE.ERE 1 7 -, ATWJW 4v_

                   ,    _        f         '          -

D£CTI

                                                                                                                             ~

MUNX P am vW I-----. Supplement to Appendix B B-41

TROJAN FINAL SURVEY REPORT- SUPPLEMENT TO SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Classification: Class 1 Survey Unit ID Code: S04093T Size (m2 ): 282 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Southwest Floor and Lower Walls Scan Measurement Data Type 1 Error . 5.OOOe-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS 8 270 DPM/100 CM2 7.500e+003 Statistical Quantities Measurement Name: Minimum Value 8.769e+002 Maximum Value 1.099e+004 Range 1 .Olle+004 Median 2.365e+003 Std. Deviation  : 1.739e+003 Mean 2.765e+003 95% UCL 2.940e+003 Measurement Values Location Value Location Value Location Value 000001 2.533e+003 000018 2.483e+003 000035 2.536e+003 000002 1;724e+003 000019 2.597e+003 000036 2.421e+003 000003 2.253e+003 000020 3.120e+003 000037 5. 081e+003 000004 2.690e+003 000021 2.802e+003 000038 2.882e+003 000005 2.329e+003 000022 4. 919e+003 000039 2.763e+003 000006 2.778e+003 000023 1.035e+004 000040 2.807e+003 000007 3.056e+003 000024 3.315e+003 000041 4.939e+003 000008 2.662e+003 000025 2.839e+003 000042 5.381e+003 000009 7.081e+003 000026 2.817e+003 000043 2.819e+003 000010 4.923e+003 000027 5. 812e+003 000044 2.460e+003 000011 2.849e+003 000028 6.571e+003 000045 2.566e+003 000012 2.787e+003 000029 3.090e+003 000046 2 .901e+003 000013 3.761e+003 000030 5.000e+003 000047 2.662e+003 000014 2.734e+003 000031 4 .761e+003 000048 1.099e+004 000015 2.477e+003 000032 3.885e+003 000049 2.904e+003 000016 2.887e+003 000033 6.78le+003 000050 2.908e+003 000017 2.845e+003 000034 2.176e+003 000051 3.079e+003 Supplement to Appendix B B-42

TROJAN FINAL SURVEY REPORT- SUPPLEMENTTO SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Classification: Class 1 Survey Unit ID Code: S04093T Size ( 2 ): 282 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Southwest Floor and Lower Walls Scan Measurement Data Location Value Location Value Location Value 000052 2.748e+003 000100 2.371e+003 000147 1.029e+003 000053 5.541e+003 000101 2.167e+003 000148 5.720e+003 000054 2.890e+003 000102 2.323e+003 00014 9 1.039e+003 000055 2.515e+003 000103 2. 188e+003 000150 1.030e+003 000056 2.302e+003 000104 1.969e+003 000151 1.339e+003 000057 2.742e+003 000105 2.022e+003 000152 1.636e+003 000058 3. 418e+003 000106 1.893e+003 000153 1.518e+003 000059 2.737e+003 000107 1.656e+003 000154 1.246e+003 000060 6.055e+003 000108 2. 120e+003 000155 1.521e+003 000061 2.529e+003 000109 2.169e+003 000156 1.344e+003 000062 5.487e+003 000110 2.166e+003 000157 1.327e+003 000063 3.005e+003 000111 1.847e+003 000158 1.677e+003 000064 6. 199e+003 000112 1.992e+003 000159 1.456e+003 000065 2.636e+003 000113 1.302e+003 000160 2.087e+003 000066 2.722e+003 000114 1.241e+003 000161 1.520e+003 000067 7.450e+003 000115 1.246e+003 000162 1.753e+003 000068 9.329e+003 000116 1.485e+003 000163 1.707e+003 000069 2.541e+003 000117 1.239e+003 000164 3.366e+003 000070 3.575e+003 000118 1.406e+003 000165 2. 199e+003 000071 2.530e+003 000119 1.301e+003 000166 I.704e+003 000072 2. 512e+003 000120 1.780e+003 000167 1.465e+003 000073 2.600e+003 000121 2.738e+003 000168 2. 146e+003 000074 3.257e+003 000122 2.949e+003 000169 1.355e+003 000075 4 .196e+003 000123 3.022e+003 000170 2. 819e+003 000076 2.955e+003 000124 1.055e+003 000171 1.306e+003 000078 2.798e+003 000125 1.690e+003 000172 1. 823e+003 000079 4.959e+003 000126 2. 115e+003 000173 1. 379e+003 000080 3.093e+003 000127 1.6lle+003 000174 2.574e+003 000081 6.380e+003 000128 1.382e+003 000175 1.229e+003 000082 5..033e+003 000129 1.063e+003 000176 1.220e+003 000083 2. 919e+003 000130 9.282e+002 000177 1. 205e+003 000084 5.057e+003 000131 9.836e+002 000178 1.342e+003 000085 3.280e+003 000132 1.320e+003 000179 1.242e+003 000086 3.241e+003 000133 1.337e+003 000180 1; 239e+003 000087 3.189e+003 000134 1.226e+003 000181 1.203e+003 000088 2.309e+003 000135 1.399e+003 000182 1.167e+003 000089 9.222e+003 000136 1.098e+003 000183 1. 192e+003 000090 2.767e+003 000137 1.067e+003 000184 1.509e+003 000091 2.456e+003 000138 1.031e+003 000185 1.390e+003 000092 4..224e+003 000139 1.048e+003 000186 1.896e+003 000093 4. 912e+003 000140 1.139e+003 000187 1.423e+003 000094 4 .189e+003 000141 9.98 le+002 000188 1.502e+003 000095 6. 128e+003 000142 3.316e+003 000189 1.685e+003 000096 1.605e+003 000143 1. 190e+003 000190 2.598e+003 000097. 1.827e+003 000144 1.075e+003 000191 1.690e+003 000098 2.058e+003 000145 9.573e+002 .000192 5. 411e+003 000099 2.569e+003 000146 1.974e+003 000193 6.674e+003 Supplement to Appendix B B-43

TROJAN FINAL SURVEYREPORT- SUPPLEMENTTO SPENTFUEL POOLIMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093T Classification: Class I Size (m2 ): 282 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Southwest Floor and Lower Walls Scan Measurement Data Location Value Location Value 000194 5.298e+003 000241 2.254e+003 000195 3.746e+003 000242 2 .347e+003 000196 6.793e+003 000243 1.860e+003 000197 6. 819e+003 000244 2.285e+003 000198 2.870e+003 000245 2. 641e+003 000199 2.375e+003 000246 2.'736e+003 000200 2.262e+003 000247 5.924e+003 000201 2.529e+003 000248 3. 911e+003 000202 2.365e+003 000249 1.896e+003 000203 2.189e+003 000250 2.256e+003 000204 2.238e+003 000251 1.052e+003 000205 2.364e+003 000252 1. OOOe+003 000206 2. 138e+003 000253 1.679e+003 000207 2.139e+003 000254 1.037e+003 000208 2. 021e+003 000255 1. 105e+003 000209 2. 118e+003 000256 3.574e+003 000210 1.949e+003 000257 9.478e+002 000211 2.260e+003 000258 8.893e+002 000212 1.922e+003 000259 8.769e+002 000213 2.338e+003 000260 1. 144e+003 000214 9.876e+002 000261 1.707e+003 000215 1.038e+003 000262 6.778e+003 000216 1.033e+003 000263 5.296e+003 000217 1.064e+003 000264 6.514e+003 000218 1.033e+003 000265 6.027e+003 000219 1.245e+003 000266 5.154e+003 000220 1.018e+003 000267 5.337e+003 000221 1.879e+003 000268 2.294e+003 000222 1.943e+003 000269 6.656e+003 000223 3.024e+003 000270 4.566e+003 000224 1. 911e+003 000271 A gjC .ft'ft' 000225 2.258e+003 000226 2.588e+003 000227 3.069e+003 000228 3.283e+003 000229 2.525e+003 000230 3.263e+003 000231 2.395e+003 000232 2.369e+003 000233 2.439e+003 000234 2.546e+003 000235 4.609e+003 000236 1.900e+003 000237 1.496e+003 000238 2.446e+003 000239 1.707e+003 000240 2.320e+003 Supplement to Appendix B B-44

T ROJAN FINAL SURVEYREPORT- SUPPLEMENT TO SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Classification: Class 1 Survey Unit ID Code: S04093T Size (mZ): 282 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Southwest Floor and Lower Walls Scan Measurement Locations Map ISTEEL} CSIE50 tHl so~NW W J OH7

                     \N      2                              pea     -i  ,.sX1,jf.WW. 0e0'          N                   -LOOKING                                            SOUTHEAST j o      AT YIEWY-Y
                                                                                                                ,.           z       2       g            STEEL)

A SO OCONCRETE LOOKING SOW rH LOOKING SOUTHEZST AT CMLLKL 70 ATYZv 2-Z

                                        ~OOKIGNGRh  I~fAAFS                                            P      ISTE1t 6

I 8 ~K Hl2SS H 0m iELM 1W - r I I I LOOKING NORTHWEST LO LOOKING NORTH

v. AT 51EVE-E A. EV 0-0 PLAN VIE OF ROO 28 LOOKING NOR7H .ES.T ATbEV A-:_Ai

                                                                                                      ,_e LOOKING NORTH                          LOOKING SOUTH AtrUr ub4, b0                            AI  U.L.Um~ " 5 VAWTPffrowt-E   -    -    10. ...

TROJA~N FINA~L SURVEY

                                                                                                                                                  .             5 65iN1         I EYISIDI400. i Sra-T.Wo                                                         tIS?

PASPARES) my !R C PAY ~OM 5551Y3104DATE 1019ES-Rl TIDA~a.. I Pfol is l L c k-.- n 7 s...7a DIECED BY IM ST1IM N -_ DWOWREtEMDCE A-75! 1- e - SCAL.E WUM51 vtoDon"1 i A U' %11 A tett NT t t DSRTION HTINt ta~r PL. & rt"T104 S

                                                                                                                                                                                                     *u _,  wrot Supplement to Appendix B                                                                                 B-45

c I C TROJAN FINAL SUR VEY REPORT- SUPPLEMENT TO SPENTFUEL POOL _- _-- _ c IMPACTED A REAS _._ FINAL SURVEY RESULTS

SUMMARY

Classificationi Class 1 Survey Unit ID Code: S04093T Size (mi): 282 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Southwest Floor and Lower Walls Scan Measurement Locations Map (STEEL) MA 510 HCNREE ciso .2 SO M 0HEDiL SIDING,  % lc O<R. LOOKING SOUTHEAST L L . ....

                                                                                                                                              .102 so               YIST.Y
                                                                                                                   ,                          ISTEELI 2CONCRETE(

LOOKING SOUTH LOOKINGSOUTHEAST AT M. LIC 70 AT M Z-Z I.SD I'STEEL1 isTEELI~ "W so SOCITEI O WE IBLOCRT EL WMf _ 3502504 (BLOWK I LOOKING NORTHWEST Ar v A-A $I so N - 1CONCRETE2

                 *~/2S SON-,                                                                                               CONCAVE)CrlA.I                 T&81 r    RzTSEEL2I                 q-
                                                                                             !        LOOKING NORTHWST                                         LOOKING NORTH AT VIEW 0-0                                              AT M3EV 6-6 LOOKING NORTH At VIEWT"l
                    >EL                    V-2' iSTEELS         I51622         I.I!VI LOOKING NORTH p~so                                 3  bTM RfSlo AT VIEV C-C LOOKING NORTH                   _CR^KI EL ,,OPEN8      LOOKING SOU        TH IVIIONDT£          2 PLAN VIEW OF ROOM 281                                         AT CCLUEO 6I                             At    M        68 2s252 SHI=    0  O %N  rOt MNAT=

ft*1 FMp*A PKNt P *5 p TROJAN FINAL SURVEY 814#23T2 ItEY1SI4_ S.- , _____________ EPAREDl 8Y RCAYO PI I0A E SA2-04 B 23M CKED3BY N T2 V LFA2CAT SCALE 8(TERSI DN 2#. POOL^FW FIRMG4I ISES~WflwdmiP,~r P ARE~A MANE & BLYArm4 v~vg Supplement to Appendix B B-46

C TROJAN FINALLtRVEY REPORT- SUPPLEMENT TO SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093T Classification: Class I Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Southwest Floor and Lower Walls Size (M2 ): 282 Scan Measurement Locations Map 31SO H (STEELI EGUIP.HATC14 DOOR (CT INA4 IN TAM 33 SO M 5 so M tCONCRETE) ELW re 11w llvf Imp. I"- I", li"

                         \ 7              I i,                                                                                                           4.5;Sl (STEEL) 4.55OOHK (STE a~

ISTEELI 1. LOOKING SOUTHWEST T0 ISTLEEU~ (TE LOOKING SOUTHEAST LOOKING NORTHWEST KSLESHC11DORSM

                                                              ))SEPELVO SWNMr 9~W VIE OFCTAV#*NrTT M                                                          VIEW "-

ElEVATIOtVIEWo MISSLE9CEID VIEWS-S EO.J!Ne4T H4TaHSAEL, OTSFD9NFOMCJMITY T AE I NOTDiAR M1UTDi AtE / ISOM i i so A (STEEL) 1~

                   ,~2SO H (STEEL        _                                                                                                                                  ISTEELI3                              ISTEELI (STEEL         !j                                                                                                                                        ISTEELI                 I II 4    f   2           STtEU)          !

VIEW G-G VIEW H-H LOOKING SOUTHWEST VIEW J-J VIEW K-K VIEW L-L VIEW H-H OSSLESID. MSAVN TRWE v a 7 ] Z ] wj } } S w } \ w/ w ww AZ ww w. . } . . . S 9 } . . . -. . Z . . . r .

                                                                                               \e 2.5 s H                 I          5 soM                              .TROJA~N FINAL SURVEY (CCOKREIEJ                       WSEEL)                         M(- mm.          S143582        REVISMO103       I P AEPARE  BY     AC MAV)OC REVISIDN     D)ATE 100-2 -44 LOOKING NORTHEAST TIII                                           9.aI                            AT 1EV NA S         I SCAL.E 2   ~3 PCIERS 4    5     CHECKED  SY IAREAtCOONENTVNT H STEIN      I M REFERVENC1 -73 FE. POO ARMA IDESCRITION             y N      lA fI W    ! EV l D I
                                                                                                                                                                                                                     .".    -1 W Supplement to Appendix B                                                                                      B-47

C. TROJAN FINALCuR VEY REPORT- SUPPLEMENT TO SPENT FUEL POOL IMPACTED AHEAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093T Classification: Class I Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Southwest Floor and Lower Walls Size (m2 ): 282 Scan Measurement Locations Map xIfii;E r5>tM rqa I ' iSi~ 0< I WT EL. ¶3'-r 13 SO H I WO.SvHCONCAETEM C~fltrf14T T W.c1~ WALLOF ONTfAINMEH1 .. ONE SLAM DC Lf*rr m wkL

                                                        -=. I                                  MtYELEODVIEWOFCNTAXD,#ET WALLW   BETWEEN   FLOR SLAtt & CONTAmNTAa i,

LOOKING NORTHEAST LOWNG AT I F1R Smm VALL OWBETWE" FL=tv E2JLM I CNTAITAIDNT 2

                                            -~2 S  SOH                                                                          a SOH (SIEELI                                                                         (ShEEtl LOOKING NORTHWEST                           LOOKING SOUTHWEST YVEV   F-F                                 VIEV P-P OSS SECT1N4  OF EMlllPtN HAT   TCHBAMR    CRMOSESC IMNOF EXJIP`HET HATCHBAWEL HSELE SHIELD         Ia St" MT           FORCLAM         saEw HtSSLE      DS    NOTSMWON.FOMtCATY VA~T FE"Co    fftPo      " 5,.-..                                                                                                          TROJAN FINAL SURVEY ItlBftw v                i'h  wt             1T    -

i5I,4Y"31 REVISION DATE ICHECKEDBtY I STEWA tEFERDAE II M-Z5 wISW S ID 2 3 4 5 hf*tIutut_.~l14 IeS-= - SCALEMECTEAS1 I ,_ FUEL E I £EAJPNIT EATH NtA ELEVATIO4 VIEV

                                                                                                                                                                                                ,U _   _-'s t.4-Supplement to Appendix B                                                                            B-48

TROJAN FINAL SURVEY REPORT- SUPPLEMENTTO SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093V Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (m2): 113 South Center Floor Area Scan Measurement Data Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS 8 118 DPM/100 CM2 7.500e+003 Statistical Quantities Measurement Name: Minimum Value 7.724e+002 Maximum Value 7.063e+003 Range 6.291e+003 Median 2.796e+003 Std. Deviation  : 1.356e+003 Mean 2.774e+003 95% UCL 2.981e+003 Measurement Values Location Value Location Value Location Value 000001 7.742e+002 000018 :972 6e+0 02 000035 *2.581e+003 000002- 9.788e+002 000019 6. 119e+Q03 000036 2.874e+003 000003 9. 185e+002 000020 9.185e+002 000037 2.739e+003 000004 8.371e+002 000021 1.695e+003 000038 2.563e+003 000005 7.724e+002 000022 1.144e+003 000039 2.668e+003 000006 7. 821e+002 000023 1.llle+003 000040 2.761e+003 000007 1. 129e+003 000024 1. 147e+003 000041 2.631e+003 000008 8.734e+002 000025 1.043e+003 000042 2.834e+003 000009 9. 185e+002 000026 9.867e+002 000043 4.095e+003 000010 9.221e+002 000027 9.398e+002 000044 2.761e+003 000011 9. 168e+002 000028 5.967e+003 000045 6.931e+003 000012 9.894e+002 000029 3.023e+003 000046 5.309e+003 000013 9.673e+002 000030 1.058e+003 000047 2.973e+003 000014 8.734e+002 000031 1.431e+003 000048 2.976e+003 000015 9.053e+002 000032 2.862e+003 000049 2.896e+003 000016 8.654e+002 000033 2.687e+003 000050 2.626e+003 000017 1.645e+003 000034 2.523e+003 000051 2.380e+003 Supplement to Appendix B B-49

TROJAN FINAL SURVEY REPORT- SUPPLEMENT TO SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093V Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (m2 ): 113 South Center Floor Area Scan Measurement Data Location Value Location Value 000052 2.795e+003 000099 2.346e+003 000053 2.555e+003 000100 2.361e+003 000054 2.961e+003 000101 4.605e+003 000055 2.994e+003 000102 2.978e+003 000056 3.094e+003 000103 2.907e+003 000057 3.468e+003 000104 2.733e+003 000058 4.089e+003 000105 2.749e+003 000059 2.7.67e+003 000106 3.548e+003 000060 4.817e+003 000107 2.845e+003 000061 2.361e+003 000108 3. 019e+003 000062 3.038e+003 000109 2.750e+003 000063 4. 199e+003 000110 2.829e+003 000064 3. 139e+003 000111 2.764e+003 000065 2.982e+003 000112 2. 917e+003 000066 2.789e+003 000113 2.826e+003 000067 3.242e+003 000114 3.108e+003 000068 3.378e+003 000115 3.751e+003 000069 3.307e+003 000116 2.975e+003 000070 6.770e+003 000117 3.462e+003 000071 7.063e+003 000118 3.875e+003 000072 2.796e+'003 000073 3.085e+003 000074 3.592e+003 000075 4. 596e+003 000076 3.570e+003 000077 5.731e+003 000078 4.258e+003 000079 2. 941e+003 000080 2.843e+003 000081 2.755e+003 000082 2.824e+003 000083 2.784e+003 000084 2.786e+003 000085 2.412e+003 000086 5.483e+003 000087 2.837e+003 000088 2.539e+003 000089 1.602e+003 000090 2.772e+003 000091 3.642e+003 000092 3.860e+003 000093 2.629e+003 000094 2.722e+003 000095 2.867e+003 000096 2.834e+003 000097 2.933e+003 000098 4.140e+003 Supplement to Appendix B B-50

( TROJAN FINALCuRVEYREPORT-SUPPLEMENT TO SPENT FUEL POOL IMPACTED AHEAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093V Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool South Center Floor Area Size (m2 ): 113 Scan Measurement Locations Map Supplement to Appendix B B-51

TROJANFINAL SURVEYREPORT- SUPPLEMENT TO SPENT FUEL POOL IMPACTEDAREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093X Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (m2 ): 120 Southeast Floor Area Scan Measurement Data Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS 8 189 DPM/100 CM' 7.500e+003 Statistical Quantities Measurement Name: Minimum Value 7.986e+002 Maximum Value 1.192e+004 Range. 1.112e+004 Median 2.681e+003 Std. Deviation : 1.566e+003 Mean 2.754e+003 95% UCL 2.942e+003 Measurement Values Location Value Location Value Location Value 000001 2.990e+003 000018 3.120e+003 000035 1.908e+003 000002 1.998e+003 000019 3. 156e+003 000036 1.898e+003 000003 2.369e+003 000020 2.922e+003 000037 1.643e+003 000004 2.390e+003 000021 2.949e+003 000038 1.710e+003 000005 2.456e+003 000022 3.084e+003 000039 1.868e+003 000006 2.298e+003 000023 3.306e+003 000040 2.049e+003 000007 2.559e+003 000024 2.477e+003 000041 1.758e+003 000008 2.589e+003 000025 2.447e+003 000042 1.700e+003 000009 2.592e+003 000026 2.391e+003 000043 1. 619e+003 000010 3.065e+003 000027 2.273e+003 000044 2.228e+003 000011 3.036e+003 000028 2.394e+003 000045 1 . 991e+003 000012 2.925e+003 000029 2. 418e+003 000046 1.769e+003 000013 3.279e+003 000030 2.207e+003 000047 1.547e+003 000014 3.453e+003 000031 1.958e+003 000048 1.523e+003 000015 2.820e+003 000032 1.962e+003 000049 2.190e+003 000016 3. 150e+003 000033 2.379e+003 000050 2.832e+003 000017 3.054e+003 000034 1.761e+003 000051 1. 015e+003 Supplement to Appendix B B-52

TROJAN FINAL SUR VEYREPORT-SUPPLEMENT TO SPENTFUEL POOL IMPACTEDAREMAS FNAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093X Classification: Class 1 Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Size (m2 ): 120 Southeast Floor Area Scan Measurement Data Location Value Location Value Location Value 000052 9.508e+002 000099 1. 601e+003 000146. 2.836e+003 000053 9. 301e+002 000100 2.754e+003 000147 5.426e+003 000054 8.487e+002 000101 2.921e+003 000148 2.673e+003 000055 1.099e+003 000102 2.783e+003 000149 5.967e+003 000056 1.255e+003 000103 2.813e+003 000150 2.955e+003 000057 1.099e+003 000104 2.797e+003 000151 4. 127e+003 000058 1.234e+003 000105 2.650e+003 000152 3.105e+003 000059 1. 041e+003 000106 2.952e+003 000153 3.996e+003 000060 1.118e+003 000107 2.696e+003 000154 3. 105e+003 000061 1.070e+003 000108 2.692e+003 000155 4.955e+003 000062 1. 171e+003 000109 2.819e+003 000156 2.806e+003 000063 1.228e+003 000110 2.813e+003 000157 5. 815e+003 000064 1.125e+003 000111 2.709e+003 000158 2.970e+003 000065 1. 312e+003 000112 1. 615e+003 000159 3.524e+003 000066 1. 125e+003 000113 2.758e+003 000160 2.833e+003 000067 9.430e+002 000114 2.972e+003 000161 6.306e+003 000068 9.828e+002 000115 3.005e+003 000162 3.054e+003 000069 9.266e+002 000116 2.864e+003 000163 5.068e+003 000070 9.993e+002 000117 2.818e+003 000164 6-.231e+003 000071 1.042e+003 000118 2.777e+003 000165 3.920e+003 000072 1.069e+003 000119 3.002e+003 000166 5.621e+003 000073 9.820e+002 000120 5.575e+003 000167 8.983e+003 000074 7.986e+002 000121 2. 681e+003 000168 5.736e+003 000075 9.353e+002 000122 3. 094e+003 000169 7.450e+003 000076 8.262e+002 000123 2.796e+003 000170 2.108e+003 000077 1.507e+003 000124 2.943e+003 000171 5.640e+003 000078 1.026e+003 000125 2.828e+003 000172 3.789e+003 000079 1.004e+003 000126 2.735e+003 000173 5.893e+003. 000080 8.704e+002 000127 2.636e+003 000174 5.979e+003 000081 1.025e+003 000128 2.515e+003 000175 5.760e+003 000082 1.093e+003 000129 2.986e+003 000176 5.711e+003 000083 9.327e+002 000130 2. 655e+003 000177 5. 060e+003 000084 1. 139e+003 000131 2.751e+003 000178 4. 909e+003 000085 1.202e+003 000132 2.748e+003 000179 1.192e+004 000086 1.222e+003 000133 2.733e+003 000180 2.002e+003 000087 2. 153e+003 000134 2. 858e+003 000181 1.975e+003 000088 1.925e+003 000135 2.769e+003 000182 2.746e+003 000089 1.957e+003 000136 5.103e+003 000183 2.493e+003 000090 2.381e+003 000137 4.079e+003 000184 2. 292e+003 000091 4.035e+003 000138 2.857e+003 0000185 2. 584e+003 000092 1.815e+003 000139 4.587e+003 000186 2.347e+003 000093 1.432e+003 000140 4 .749e+003 000187 1.760e+003 000094 2.983e+003 000141 3.143e+003 000188 1.497e+003 000095 2. 991e+003 000142 5.882e+003 000189 1.767e+003 000096 2.704e+003 000143 3.698e+003 000097 2.898e+003 000144 3. 011e+003 000098 2.027e+003 000145 3.589e+003 Supplement to Appendix B B-53

C. TROJAN NAL(uRVEY REPORT- SUPPLEMENT TO SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04093X Classification: Class I Survey Unit Name: FB 93' Elevation - Spent Fuel Pool Southeast Floor Area Size (m2 ): 120 Scan Measurement Locations Map

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                                                                                .4-.-,.-.-n7O 1-1 PARTIAL/PLAN VIEW OF ROOM 281                                                          4Aloml. WIefdof      ILAAAiLL              I4bif$
                                                                                                                ,   I,,      .  *   .  -,I Pl-. Z..° TROJAN FINAL SURVEY m.t0"111 d!p,PER 1 *114 wAfli          -              22- -                         &83                                                                MA P4.     .      504593X       IRISIAN H.          0M             l PREPARED  Rr     n C RAAYPIP    IRESIN DATE       18-2I44 101.14                               tI       .1 1t                                                                                CHECKED  BY     nISTEI          J WEFEREfE        10-T75           1 SCN(E01I(ERS               AlEA&     OEESPE                     FJL POOl IDESRIPTIOA          pW IEL FAEA PLAN I nMVATT _

I.S Supplement to Appendix B B-54

TROJAN FINAL SUR VEY REPORT- SPENT FUEL POOLIMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04061G Classification: Class I Survey Unit Name: FB 61' Elevation- SFP Heat Exchanger Room Size (m2 ): 155 Scan Measurement Data Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement TYpe Code Meas. Unit DCGL SGN WRS 8 165 DPM/100 CM2 7.500e+003 Statistical Quantities Measurement Name: Minimum Value 7.605e+002 Maximum Value 7.454e+003 Range 6.694e+003 Median 1.203e+003 Std. Deviation : 1.451e+003 Mean 1.752e+003 95% UCL 1.939e+003 Measurement Values Location Value Location Value Location Value 000001 6.292e4003 000018 3.845e+003 000035 1.222e+003 000002 6.081e+003 000019 4 . 001e+003 000036 1.256e+003 000003 6.546e+003 000020 4.316e+003 000037 1.175e+003 000004 6.693e+003 000021 3.889e+003 000038 1.307e+003 000005 9.400e+002 000022 4.043e+003 000039 1.266e+003 000006 1.322e+003 000023 3.886e+003 000040 1.175e+003 000007 6.98 9e+003 000024 4. 618e+003 000041 1.250e+003 000008 1.333e+003 000025 3.752e+003 000042 1.174e+003 000009 9.360e+002 000026 3.560e+003 000043 1.313e+003 000010 6. 313e+003 000027 3.277e+003 000044 1.386e+003 000011 6.503e+003 000028 3.710e+003 000045 1. 174e+003 000012 7.454e+003 000029 3.307e+003 000046 1.488e+003 000013 9.150e+002 000030 3.158e+003 000047 1.271e+003 000014 4.582e+003 000031 3.341e+003 000048 1.236e+003 000015 3.526e+003 000032 3.299e+003 000049 1.353e+003 000016 6.546e+003 000033 3.373e+003 000050 1.220e+003 000017 3.708e+003 000034 1.192e+003 000051 1. 195e+003 Supplement to Appendix B B-55

TROJAN FINAL SURVEYREPORT- SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04061G Classification: Class 1 Survey Unit Name: FB 61' Elevation- SFP Heat Exchanger Room Size (m2 ): 155 Scan Measurement Data Location Value Location Value Location Value 000052 1. 133e+003 000099 1. 061e+003 000146 1.183e+003 000053 1.243e+003 000100 1.482e+003 000147 1.173e+003 000054 1. 170e+003 000101 1.167e+003 000148 1.018e+003 000055 1.198e+003 000102 1.031e+003 000149 1.139e+003 000056 1.192e+003 000103 9.905e+002 000150 1.313e+003 000057 1.326e+003 000104 9.850e+002 000151 1.057e+003 000058 1.239e+003 000105 8.815e+002 000152 1. 172e+003 000059 1.237e+003 000106- 9.575e+002 000153 1.335e+003 000060 1.203e+003 000107 9.090e+002 000154 1.237e+003 000061 1.346e+003 000108 1.002e+003 000155 1.348e+003 000062 1.013e+003 000109 1.005e+003 000156 1. 343e+003 000063 1.104e+003 000110 1.134e+003 000157 1.365e+003 000064 1.024e+003 000111 1.049e+003 000158 1.189e+003 000065 1.577e+003 000112 9.805e+002 000159 1.402e+003 000066 1.204e+003 000113 1.158e+003 000160 1.704e+003 000067 1 .210e+003 000114 1.197e+003 000161 1.243e+003 000068 1. 133e+003 000115 1.207e+003 000162 1.298e+003 000069 1.154e+003 000116 1. 107e+003 000163 1.348e+003 000070 1.254e+003 0000117 1.240e+003 000164 1.194e+003 000071 1.248e+003 000118 1.584e+003 000165 1.215e+003 000072 9.594e+002 000119 1.053e+003 000073 1.256e+003 000120 1.054e+003 000074 1. lOOe+003 000121 8.586e+002 000075 1.208e+003 000122 1. llle+003 000076 1.364e+003 000123 1. 177e+003 000077 1.219e+003 000124 9. 951e+002 000078 1.261e+003 000125 7.660e+002 000079 1.196e+003 000126 1.128e+003 000080 1. 617e+003 000127 8.174e+002 000081 1.778e+003 000128 9. 081e+002 000082 1.278e+003 000129 8.687e+002 000083 1.492e+003 000130 8. 751e+002 000084 1 . 115e+003 000131 1.241e+003 000085 9.264e+002 000132 1.046e+003 000086 1.040e+003 000133 1. 152e+003 000087 1.065e+003 000134 1.085e+003 000088 9.310e+002 000135 1.076e+003 000089 8. 641e+002 000136 1. 105e+003 000090 8 .119e+002 000137 1.140e+003 000091 7.605e+002 000138 1.119e+003 000092 8 .412e+002 000139 1.079e+003 000093 8.183e+002 000140 1.210e+003 000094 9.502e+002 000141 1.128e+003 000095 9.438e+002 000142 1.488e+003 000096 9.869e+002 000143 1.224e+003 000097 8.925e+002 000144 1.432e+003 000098 9.301e+002 000145 1.056e+003 Supplement to Appendix B B-56

C - C TROJAN FINAL SURVEY REPORT- SPENT FUEL POOL IMPACTED C AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04061G Classification: Class I Survey Unit Name: FB 61' Elevation- SFP Heat Exchanger Room Size (m2): 155 Scan Measurement Locations Map rJ P~A.+/-IrfA. Ai d~L 4 L 2o4o"IL atA LOOKING NORTH AT CaL. LKr 6g EL. Eaf _@ T l ISTEEIR EL 77-r sI~ EL MP2 4 Lv'4(jq - 1 EL Gr-r &i- c4A PLAN VIEW OF ROOM 250 CEILING VIEW 250 ICONCRETEI I-ROO 25(IBLOCK) ROOM ILCMICES LOOKING SOUTH AT CW. UNi 61 mmwVE ptwawo Ft* " 45t N,,_

                                                                                                         $IC-TtMI             POPIl EL72Pt 4         ' . 3 SO H EL "o      a.-     \n OECHMEi  I        T. RWZ         OOfEEt~E        *A
                                                                                                         ,cC~cAtKm,L.~D                       & REVATea AYZEVS LOOKING VEST                LOOKING EAST AT COLUNE C                  AT COtLU    8 I"   _   "

Supplement to Appendix B B-57

C, ( TROJAN FINAL SUR VEY REPORT- SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S04061G Classification: Class 1 Size (Mn2): 155 Survey Unit Name: FB 61' Elevation- SFP Heat Exchanger Room Scan Measurement Locations Map Supplement to Appendix B B-58

TROJAN FINAL SURVEYREPORT- SUPPLEMENTTO SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05045M Classification: Class I Survey Unit Name: AB 45' Elevation- Spent Fuel Pool Size (m2 ): 131 Cooling and Purification Pump Rooms Scan Measurement Data Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000q+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS 8 166 DPM/100 CM2 7.500e+003 Statistical Quantities Measurement Name: Minimum Value  : 6.041e+002 Maximum Value 6.848e+003 Range 6.244e+003 Median 1.560e+003 Std. Deviation 1.267e+003 Mean 1. 916e+003 95% UCL 2.079e+003 Measurement Values Location Value Location Value Location Value 000001 2.321e+003 000018 2.734e+003 000035 2.420e+003. 000002 2.529e+003 000019 2.565e+003 000036 2.199e+003 000003 1.859e+003 000020 2.574e+003 000037 1.834e+003 000004 2.080e+003 000021 2.728e+003 000038 2.030e+003 000005 2.110e+003 000022 2.577e+003 000039 2.062e+003 000006 2.126e+003 .000023 2.793e+003 000040 1.898e+003 000007 2.347e+003 000024 2.704e+003 000041 1.982e+003 000008 2.463e+003 000025 3.364e+003 000042 2.000e+003 000009 2.423e+003 000026 2.879e+003 000043 1.934e+003 000010 2. 492e+003 000027 2.508e+003 000044 1. 615e+003 000011 2.818e+003 000028 2.645e+003 000045 1.915e+003 000012 2.433e+003 000029 3.440e+003 000046 1.985e+003 000013 2.341e+003 000030 6.660e+003 000047 1.891e+003 000014 2.741e+003 000031 2.418e+003 000048 1.769e+003 000015 2.476e+003 000032 1.631e+003 000049 1.631e+003 000016 2. 527e+003 000033 2.542e+003 000050 1.591e+003 000017 2.715e+003 000034 2.393e+003 000051 1.596e+003 Supplement to Appendix B B-59

TROJAN FINAL SUR VEY REPORT- SUPPLEMENT TO SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05045M Classiflcation: Class I Survey Unit Name: AB 45' Elevation- Spent Fuel Pool Size (m2 ): 131 Cooling and Purification Pump Rooms Scan Measurement Data Location Value Location Value Location Value 000052 2. 037e+003 000099 7.058e+002 000146 1.248e+003 000053 1. 834e+003 000100 6.041e+002 000147 1.267e+003 000054 2.096e+003 000101 7.354e+002 000148 1.209e+003 000055 2.078e+003 000102 9.179e+002 000149 1.252e+003 000056 2.030e+003 000103 9. 144e+002 000150 1.196e+003 000057 1.949e+003 000104 9.587e+002 000151 1.339e+003 000058 2.306e+003 000105 8.605e+002 000152 1.356e+003 000059 1.716e+003 000106 9.544e+002 000153 1.124e+003 000060 2.383e+003 000107 8.457e+002 000154 2.663e+003 000061 1.568e+003 000108 8. 127e+002 000155 1.233e+003 000062 1.928e+003 000109 7.649e+002 000156 1.330e+003 000063 1.626e+003 000110 8.049e+002 000157 2.899e+003 000064 2.816e+003 000111 6.997e+002 000158 1. 155e+003 000065 2.173e+003 000112 8 .127e+002 000159 2.318e+003 000066 1. 196e+003 000113 9. 014e+002 000160 2.316e+003 000067 1.221e+003 000114 6.719e+002 000161 1. 120e+003 000068 1.299e+003 000115 1.685e+003 000162 9.983e+002 000069 1.303e+003 000116 9.370e+002 000163 1.552e+003 000070 1. 313e+003 000117 7. 849e+002 000164 1.376e+003 000071 1.376e+003 000118 7.562e+002 000165 1.209e+003 000072 1.325e+003 000119 7. 901e+002 000166 9.115e+002 000073 1.215e+003 000120 5.536e+003 000074 1.303e+003 000121 6.694e+003 000075 1.009e+003 000122 6.231e+003 000076 1.320e+003 000123 6.289e+003 000077 1.357e+003 000124 6.231e+003 000078 1. 191e+003 000125 6.848e+003 000079 8.866e+002 000126 5.035e+003 000080 9.866e+002 000127 3.974e+003 000081 1. 133e+003 000128 3.7.81e+003 000082 9.448e+002 000129 3.762e+003 000083 1.109e+003 000130 4.070e+003 000084 7.936e+002 000131 6.019e+003 000085 1. 159e+003 000132 8.702e+002 000086 9.683e+002 000133 1.181e+003 000087 9.840e+002 000134 8.420e+002 000088 1.203e+003 000135 8. 615e+002 000089 9.674e+002 000136 1.224e+003 000090 9.700e+002 000137 1.207e+003 000091 1. 117e+003 000138 1.302e+003 000092 9.405e+002 000139 1. 105e+003 000093 1. 105e+003 000140 1. 992e+003 000094 1.448e+003 000141 1 .280e+003 000095 9.344e+002 000142 1.400e+003 000096 1.030e+003 000143 1.063e+003 000097 1.120e+003 000144 1.183e+003 000098 8.258e+002 000145 1.250e+003 Supplement to Appendix B B-60

-c                                          TROJAN FINALCkR VEY REPORT- SUPPLEMENT TO SPENT FUEL POOL IMPACTEDCAREAS FINAL SURVEY RESULTS 

SUMMARY

Survey Unit ID Code: S05045M Classification: Class 1 Survey Unit Name: AB 45' Elevation- Spent Fuel Pool Cooling and Purification Pump Rooms Size (m2 ): 131 Scan Measurement Locations Man Supplement to Appendix B B-61

C TROJAN FINAL URVEYREPORT- SUPPLEMENT TO SPENT FUEL POOL IMPACTEDKREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05045M Classification: Class I Survey Unit Name: AB 45' Elevation- Spent Fuel Pool Cooling and Purification Pump Rooms Size (m 2 ): 131 Scan Measurement Locations Map _ /

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                                                                                   ,k   ?PSe   Ne ru"e          PERA 4,. K..I I(ME0                                                              a I               -,c,.              TROJAN FINAL SURVEY tAP WM     IS854W)      I EYLSION "D. IN ito..cie I                 - _

hALm 1tbq I 2 3J 5 PREPARED CHECKED BY BY fRC RAYMIND REVISIONDATE J. CDOER

                                                                                                                                                           £74744 MONREFERElcE A40 FP COOLW1CrAT7ON MM ROM SCAEIETERSI

_ I WEsaWTI ELVATI0N VEVM 1" _l W Supplement to Appendix B B-62

TROJAN FINAL SURVEYREPORT- SUPPLEMENT TO SPENT FUEL POOL IMPACTEDAREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05077N Classification: Class 1 Survey Unit Name: AB 77' Elevation- Filter Pit "D" Size (m2 ): 36 Scan Measurement Data Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS 8 52 DPM/100 CM2 7.500e+003 Statistical Quantities Measurement Name: Minimum Value 8.693e+002 Maximum Value 7.417e+003 Range 6.548e+003 Median 1.592e+003 Std. Deviation : 1.329e+003 Mean 1.967e+003 95% UCL 2.276e+003 Measurement Values Location Value Location Value Location Value 000001 3.659e+003 000018 3.376e+003 000035 8.693e+002 000002 1.832e+003 000019 2.771e+003 .000036 9. 170e+002 000003 1.840e+003 000020 1.182e+003 000037 1.149e+003 000004 2.349e+003 000021 4.593e+003 000038 1.004e+003 000005 1.818e+003 000022 4.556e+003 000039 3.488e+003 000006 1.752e+003 000023 3.370e+003 000040 9.245e+002 000007 1.974e+003 000024 4.160e+003 000041 9.459e+002 000008 2.121e+003 000025 1.069e+003 000042 1.038e+003 000009 2.068e+003 000026 7.417e+003 000043 9.338e+002 000010 2. 013e+003 000027 4.763e+003 000044 9.936e+002 000011 2.451e+003 000028 8.973e+002 000045 1.286e+003 000012 1.930e+003 000029 1.050e+003 000046 1.302e+003 000013 2.102e+003 000030 8.871e+002 000047 1 . 431e+003 000014 2.260e+003 000031 9.450e+002 000048 1.060e+003 000015 1. 912e+003 000032 9.899e+002 000049 9.132e+002 000016 1.909e+003 000033 9.086e+002 000050 9.699e+002 000017 2.826e+003 000034 8.815e+002 000051 1. 120e+003 Supplement to Appendix B B-63

TROJAN FINAL SURVEY REPORT- SUPPLEMENT TO SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05077N Classification: Class 1 Survey Unit Name: AB 77' Elevation- Filter Pit "D" Size (m2 ): 36 Scan Measurement Data Location Value 000052 1.302e+003 Supplement to Appendix B B-64

C _ EC

                                                 -ROJAN FINAL SURVEY REPORT- SUPPLEMENT TO SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS 

SUMMARY

Survey Unit ID Code: S05077N Classification: Class 1 Survey Unit Name: AB 77' Elevation- Filter Pit "D" Size (M2): 36 Scan Measurement Locations Map FINAL SURVEY UNIT S05077N Scan Locations Filter Pit D LOOCING CAS1 so? elm, ?'s; I I 14 0 2 _ i, s- oib l CEILNG VIEW oxfo,

               . *M._                                       O'01 .

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                                                             -         MOT PLUG      LOOKIUNG   LOO(IN ONG                       LCOOK#4NORTH OTTO     NORTH       SOUTH EAST WEST MT7HMa Supplement to Appendix B                                            B-65

TROJANFINAL SUR VEYREPORT- SUPPLEMENT TO SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05077P Classification: Class 1 Survey Unit Name: AB 77' Elevation- Filter Pit "E" Size (m 2): 36 Scan Measurement Data Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS 8 57 DPM/100 CM2 7.500e+003 Statistical Quantities Measurement Name: Minimum Value 9.516e+002 Maximum Value 7.209e+003 Range 6.257e+003 Median 1.810e+003 Std. Deviation  : 1.738e+003 Mean 2.397e+003 95% UCL 2.782e+003 Measurement Values Location Value Location Value Location Value 000001 1.810e+003 000018 3.473e+003 000035 1.135e+003 000002 1.884e+003 000019 3.247e+003 000036 1.087e+003 000003 2.687e+003 000020 5.309e+003 000037 1. 133e+003 000004 2.595e+003 000021 3.445e+003 000038 1.132e+003 000005 2.179e+003 000022 6.231e+003 000039 9.889e+002 000006 7.209e+003 000023 1.157e+003 000040 1. 176e+003 000007 1.888e+003 000024 6.250e+003 000041 9.516e+002 000008 2.223e+003 000025 6.269e+003 000042 1.108e+003 000009 2.401e+003 000026 6.288e+003 000043 1.103e+003 000010 2.403e+003 000027 1.346e+003 000044 1.079e+003 000011 2.448e+003 000028 4.744e+003 000045 9.525e+002 000012 2.660e+003 000029 5.008e+003 000046 1.147e+003 000013 2.085e+003 000030 1.028e+003 000047 1 .014e+003 000014 2.560e+003 000031 1.141e+003 000048 2.487e+003 000015 2.284e+003 000032 9.544e+002 000049 1.378e+003 000016 2.274e+003 000033 1.130e+003 000050 1.557e+003 000017 2.886e+003 000034 1.363e+003 000051 6.653e+003 Supplement to Appendix B B-66

TROJAN FINAL SURVEYREPORT- SUPPLEMENT TO SPENTFUELPOOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05077P Classification: Class 1 Survey Unit Name: AB 77' Elevation- Filter Pit "E' Size (m2 ): 36 Scan Measurement Data Location Value 000052 1.019e+003 000053 1.366e+003 000054 1.180e+003 000055 1.189e+003 000056 1.404e+003 000057 1.526e+003 Supplement to Appendix B B-67

C IRC TROJAN FINALLMRVEY REPORT- SUPPLEMENT TO SPENT FUEL POOL IMPACTRI) AREAS? FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: S05077P Classification: Class 1 Survey Unit Name: AB 77' Elevation- Filter Pit "E" Size (m2 ): 36 Scan Measurement Locations Map FINAL SURVEY UNIT I s N N S05077P X.*,/ S

• S S,

S X./ S, Scan Locations Filter Pit E I* I

                   /V- -                           S Or3 A<           ,.      ,.      ,.        d.

PLANMEWOr MOO

                                                                                                                                            /61~

(; _I (0 0 IT~w PLUG LOOKING LOOKING LOOKING LOOKING- WEST LOOXNMG BOTTOM NOORTH SOUTH EAST WEST Supplement to Appendix B B-68

TROJAN FINAL SURVEYREPORT- SUPPLEMENTTO SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62042A Classification: Class 1 Survey Unit Name: Discharge and Dilution Structure Size (m2 ): 209 Outfall Chamber and Pipe Scan Measurement Data Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS 8 118 DPM/100 CM 2 7.500e+003 Statistical Quantities Measurement Name: Minimum Value 5.967e+002 Maximum Value 8.944e+003 Range 8.347e+003 Median 2.892e+003 Std. Deviation  : 1.954e+003 Mean 2.908e+003 95% UCL 3.206e+003 Measurement Values Location Value Location Value Location Value 000001 7.492e+003 000018 6.569e+002 000035 6.272e+002 000002 7.911e+003 000019 8.465e+002 000036 6.497e+002 000003 3.782e+003 000020 7.602e+002 000037 7.387e+002 000004 2.467e+003 000021 6.784e+002 000038 8.240e+002 000005 1.804e+003 000022 7.521e+002 000039 8 .654e+002 000006 1.822e+003 000023 7.207e+002 000040 6. 641e+002 000007 7.503e+002 000024 1.059e+003 000041 7.000e+002 000008 6.928e+002 000025 3.034e+003 000042 7.126e+002 000009 8. 618e+002 000026 1.271e+003 000043 6.497e+002 000010 1.298e+003 000027 9.076e+002 000044 7.818e+002 000011 4.04Be+003 000028 7.935e+002 000045 1.760e+003 000012 2.168e+003 000029 8.950e+002 000046 7.423e+002 000013 7.063e+002 000030 1.026e+003 000047 2.963e+003 000014 7.054e+002 000031 8.699e+002 000048 9.669e+002 000015 6.901e+002 000032 7.782e+002 000049 7.026e+003 000016 7.027e+002 000033 5.967e+002 000050 2.548e+003 000017 6.012e+002 000034 6.200e+002 000051 7.425e+003 Supplement to Appendix B B-69

TROJAN FINAL SUR VEYREPORT- SUPPLEMENT TO SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62042A Classification: Class 1 Survey Unit Name: Discharge and Dilution Structure Size (M2 ): 209 Outfall Chamber and Pipe Scan Measurement Data Location Value Location Value 000052 2.825e+003 000099 3.222e+003 000053 2.909e+003 000100 2.748e+003 000054 2.967e+003 000101 2.658e+003 000055 3.059e+003 000102 2.673e+003 000056 3.090e+003 000103 2.751e+003 000057 3.110e+003 000104 2.717e+003 000058 2.960e+003 000105 2.532e+003 000059 3.438e+003 000106 2.667e+003 000060 5.025e+003 000107 2.729e+003 000061 3.437e+003 000108 2.754e+003 000062 6.323e+003 000109 2.627e+003 000063 8.944e+003 000110 3.260e+003 000064 3. 321e+003 000111 2.946e+003 000065 7.451e+003 000112 2.604e+003 000066 3.938e+003 000113 3.659e+003 000067 6.359e+003 000114 2.738e+003 000068 6.984e+003 000115 3.047e+003 000069 4.404e+003 000116 4.079e+003 000070 5.795e+003 000117 3.089e+003 000071 4.167e+003 000118 3.071e+003 000072 6.488e+003 000073 4.668e+003 000074 3.045e+003 000075 6. 963e+003 000076 3.231e+003 000077 4.479e+003 000078 4.155e+003 000079 3.105e+003 000080 4.892e+003 000081 4.109e+003 000082 3.204e+003 000083 3.461e+003 000084 4.815e+003 000085 4.712e+003 000086 6.277e+003 000087 3.290e+003 000088 3.056e+003 000089 5.246e+003 000090 3.020e+003 000091 2.681e+003 000092 2.874e+003 000093 3.029e+003 000094 2.550e+003 000095 3.152e+003 000096 4.431e+003 000097 4.185e+003 000098 3.491e+003 Supplement to Appendix B B-70

C TROJAN FINALCURVEY REPORT- SUPPLEMENT TO SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62042A Classification: Class I Survey Unit Name: Discharge and Dilution Structure Outfall Chamber and Pipe Size (m2 ): 209 Scan Measurement Locations Map 4 -p,02 JVY Ke- /,%7' 1A T-L hEL 40-e

                                                                                                                  . FLOOR PLAN FLOOR PLAN                                    FLOOR PLAN                                   CEILING VIEW TROJ 'AN FINAL .SURVEY "P K  I .             -"ltNKY mm   /      4NM P2142AM    I EVISIONIC R C MOOGI REVISIONDATE     89--2I-4_

2 MUPR I VOR~EFERENC - SC-LE no ~2~--X4E i7id mab DESCaRIna _ VxLUTMHIk DWCKIARO STRJCTUM

                                                                                                                                      ..._v He is 04ETERSM PLAMANCEI     V!EV9 EScIPTIDA Supplement to Appendix B                                         B-71

C C TROJAN FINAL SURVEY REPORT- SUPPLEMENT TO SPENT FUEL POOL IMPACTED AREAS C FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62042A Classification: Class 1 Survey Unit Name: Discharge and Dilution Structure Outfall Chamber and Pipe Size (m2 ): 209 Scan Measurement Locations Map CEILING VIEW CEILING VIEW y11noose PC" M . , . I TROJAN FINAL SURVEY MP NrO.6 21 AZ2 IREVISIONNO. fea noice .'M PlEPAREO fY R C RAVMND REVIS!IO4 DATE i-r23-04

CHfCKED BY I A Iwa W REfN I F I iZ l 4 5 DOLUTXIW X DISOARGE STRlXTURE SCALEflTERS) trie Imlh Sbx L&I C26v~tX\1d I'DESKET CEINO AND ELEVATION VIEM f la _. rO Supplement to Appendix B B-72

C TROJAN FINAL SURVEYREPORT- SUPPLEMENT TO SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62042A Classification: Class I Survey Unit Name: Discharge and Dilution Structure Outfall Chamber and Pipe Size (m2 ): 209 Scan Measurement Locations Map Supplement to Appendix B B-73

& - C TROJAN FINAL SURVEY REPORT- SUPPLEMENT TO SPENT FUEL POOL IMPACTED AREAS C FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62042A Classification: Class I Survey Unit Name: Discharge and Dilution Structure Outfall Chamber and Pipe Size (m2 ): 209 Scan Measurement Locations Map

                                                    ,A  C.,c "         aA~

PROFILE OF OUTFALL PIPE

                                                                                              ),Ds rc. bf2.

VIEW L-L VIEW P-P FINAL SURVEY

                                                   .f    WU Pn _. .*"                                  TROJAN   _ 2P42M 4      REVISION NM s      $       AI            /                P(rF"RED BY      _ R C RAYK      REYSIONIDATE    5fl234

_J COR DIO EFERENCE __ 1 2 ) 5 112 v 2 I I/ a DIECKEO BY DlLlTIDN& DISOIARGE STRUCTIM SCALEWETRSI[= Le;

                                                               /Iot.      iey7k   /o6/sy       --       NT
                                                                                                                   - ELEVATIOMVIMY & PDROE OF WTFALLP" f"   _   T Supplement to Appendix B                                              B-74

(I, A FC TROJAN FINAL SUR VEY REPORT- SUPPLEMENT TO SPENT FUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62042A Classification: Class 1 Survey Unit Name: Discharge and Dilution Structure Outfall Chamber and Pipe Size (m2 ): 209 Scan Measurement Locations Map I NI Al 6 N.I

                                                                            ':-N 00 LA     N V l .              0 t-       o    a                                                                _ _,
                                                                           .*4 secO     OLi
                                                             -                                           of        er-r
                                                                         .0    .r W4%

ncry" no 1-,no WMI (Ttwft7PI2 S l 2ffl 2 9 f ne s Supplement to Appendix B B-75

TROJANFINAL SURVEYREPORT- SUPPLEMENT TO SPENTFUELPOOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62208A Classification: Class I Survey Unit Name: Spent Fuel Pool Ducting Size (mi2 ): 192 18" Diameter and Larger Scan Measurement Data Type 1 Error  : 5.000e-002 Type 2 Error  : 5.000e-002 Relative Shift  : 3.000e+000 Measurement # Of Measurement Type Code Meas. Unit DCGL SGN WRS 8 185 DPM/100 CM2 7.500e+003 Statistical Quantities Measurement Name: Minimum Value 6.842e+002 Maximum Value 4.830e+003 Range 4.14 6e+003 Median 1.068e+003 Std. Deviation : 5.239e+002 Mean 1.181e+003 95% UCL 1.245e+003 Measurement Values Location Value Location Value Location Value 000001 1.128e+003 000018 1.547e+003 000035 8.785e+002 000002 1.386e+003 000019 1.410e+003 000036 1.170e+003 000003 1.209e+003 000020 4.523e+003 000037. 7.929e+002 000004 8.463e+002 000021 1.073e+003 000038 9.44Be+002 000005 4.830e+003 000022 1. 132e+003 000039 8.868e+002 000006 1.125e+003 000023 9. 641e+002 000040 1.509e+003 000007 3.091e+003 000024 1.294e+003 000041 1.176e+003 000008 9.568e+002 000025 3. 417e+003 000042 1.102e+003 000009 7.855e+002 000026 1.584e+003 000043 9.816e+002 000010 8.499e+002 000027 8.361e+002 000044 1.049e+003 000011 8. 131e+002 000028 8.150e+002 000045 8.988e+002 000012 7.505e+002 000029 8.103e+002 000046 8 .831e+002 000013 8.776e+002 000030 7.487e+002 000047 8.417e+002 000014 8.067e+002 000031 1.068e+003 000048 1.085e+003 000015 8. 831e+002 000032 8. 619e+002 000049 9.006e+002 000016 8.057e+002 000033 1. 631e+003 000050 1.081e+003 000017 1.124e+003 000034 9.733e+002 000051 7.984e+002 Supplement to Appendix B B-76

TROJANFINAL SURVEYREPORT-SUPPLEMENT TO SPENTFUEL POOL IMPACTED ARES FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62208A Classification: Class 1 Survey Unit Name: Spent Fuel Pool Ducting Size (m2 ): 192 18" Diameter and Larger Scan Measurement Data Location, Value Location Value Location Value 000052 1.283e+003 000099 8.352e+002 000146 1.168e+003 000053 6.842e+002 000100 9.043e+002 000147 1.069e+003 000054 8.057e+002 000101 1.089e+003 000148 9.750e+002 000055 9.255e+002 000102 1.055e+003 000149 9. 918e+002 000056 8.103e+002 000103 9.245e+002 000150 8.710e+002 000057 8. 196e+002 000104 1.689e+003 000151 9.309e+002 000058 1.406e+003 000105 1.706e+003 000152 9.574e+002 000059 1.298e+003 000106 1.397e+003 000153 1.024e+003 000060 1.354e+003 000107 1.267e+003 000154 1. 127e+003 000061 1.638e+003 000108 1.384e+003 000155 9.415e+002 000062 1.049e+003 000109 1.28 le+003 000156 1.099e+003 000063 1.055e+003 000110 1.753e+003 000157 8. 260e+002 000064 1.520e+003 000111 2. 114e+003 000158 9.653e+002 000065 1.284e+003 000112 2.309e+003 000159 1. 177e+003 000066 1.552e+003 000113 1.883e+003 000160 1.433e+003 000067 1.223e+003 000114 1.055e+003 000161 1. 194e+003 000068 1.071e+003 000115 9.006e+002 000162 1.269e+003 000069 1.206e+003 000116 1.122e+003 000163 1.448e+003 000070 7.450e+002 000117 9.549e+002 000164 1.870e+003 000071 8.923e+002 000118 8.564e+002 000165 2.037e+003 000072 8.122e+002 000119 1.226e+003 000166 1.912e+003 000073 8.499e+002 000120 1. 177e+003 000167 1.751e+003 000074 7.698e+002 000121 8.555e+002 000168 1 771e+003 000075 1.116e+003 000122 7.606e+002 000169 1.304e+003 000076 1.123e+003 000123 1.108e+003 000170 1.299e+003 000077 1.266e+003 000124 1.563e+003 000171 1.138e+003 000078 8.794e+002 000125 8.923e+002 000172 8.163e+002 000079 8.988e+002 000126, 9.752e+002 000173 9.891e+002 000080 9. 319e+002 000127 1.054e+003 000174 9.618e+002 000081 1. OlOe+003 000128 1.024e+003 000175 1.085e+003 000082 1. 123e+003 000129 9.853e+002 000176 1.068e+003 000083 8.545e+002 000130 1.368e+003 000177 1.091e+003 000084 8.361e+002 000131 9.558e+002 000178 9.724e+002 000085 7.873e+002 000132 9.706e+002 000179 1.165e+003 000086 7.698e+002 000133 8. 131e+002 000180 8. 807e+002 000087 9.291e+002 000134 7 .781e+002 000181 1.223e+003 000088 1.153e+003 000135 9.954e+002 000182 1.016e+003 000089 1.072e+003 000136 9.733e+002 000183 1.722e+003 000090 8.647e+002 000137 1.583e+003 000184 1.058e+003 000091 1. 199e+003 000138 1.449e+003 000185 8.243e4002 000092 9.337e+002 000139 1.247e+003 000093 8.251e+002 000140 1.217e+003 000094 1. 190e+003 000141 1.589e+003 000095 1.169e+003 000142 1.367e+003 000096 1.077e+003 000143 1.744e+003 000097 8.306e+002 000144 1.814e+003 000098 9. 918e+002 000145 1.322e+003 Supplement to Appendix B B-77

K-' TROJAN FINAL.RVEY REPORT- SUPPLEMENT TO SPENTFUEL POOL IMPACTED AREAS FINAL SURVEY RESULTS

SUMMARY

Survey Unit ID Code: P62208A Survey Unit Name: Spent Fuel Pool Ducting 18" Diameter Classification: Class 1 and Larger Size (m2): 192 Scan Measurement Locations Map Supplement to Appendix B B-78}}