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Final Status Survey Release Record Southwest Site Storage Area Survey Unit 9520-0004.
	ML063540234
Person / Time
Site:	Haddam Neck File:Connecticut Yankee Atomic Power Co icon.png
Issue date:	11/26/2006
From:	Mccarthy J; Connecticut Yankee Atomic Power Co
To:	; NRC/FSME
References
	Download: ML063540234 (184)
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CYAPCO FINAL STATUS SURVEY RELEASE RECORD SOUTHWEST SITE STORAGE AREA SURVEY UNIT 9520-0004 Prepared By: r,4e Date: 11-131y6, FSS Enginee Reviewed By: Date:1 1 13 o6 Approved By: ______ Date: ///Z 6/4 Technical Support Manager Revision 0

SOUTHWEST SITE STORAGE AREA SURVEY UNIT 9520-0004 RELEASE RECORD TABLE OF CONTENTS

1. SURVEY UNIT DESCRIPTION .................................................... 3

2. CLASSIFICATION BASIS ............................................................. 3

3. DATA QUALITY OBJECTIVES (DQO) ........................................ 5

4. SURV EY DESIGN ........................................................................... 7

5. SURVEY IMPLEMENTATION ..................................................... 10

6. SURVEY RESULTS ...................................................................... 11

7. QUALITY CONTROL .................................................................... 14

8. INVESTIGATIONS AND RESULTS ............................................ 14

9. REMEDIATION AND RESULTS ..................................................... 15

10. CHANGES FROM THE FINAL STATUS SURVEY PLAN ......... 15

11. DATA QUALITY ASSESSMENT (DQA) ................... 15

12. A N O MA LIES ................................................................................. 15

13. CON CLU SIO N ............................................................................... 16

14. ATTA CHM EN TS .......................................................................... 16 14.1 Attachment 1 - Figures (6 pages including cover) 14.2 Attachment 2 - Scan Results (4 pages including cover) 14.3 Attachment 3 - Laboratory Data (144 pages including cover) 14.4 Attachment 4 - DQA Results (14 pages including covers)

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SOUTHWEST SITE STORAGE AREA SURVEY UNIT 9520-0004 RELEASE RECORD SURVEY UNIT DESCRIPTION Survey Unit 9520-0004 (Southwest Site Storage Area) is designated as Final Status Survey (FSS) Class I and consists of 1985 m 2 (0.5 acres) of uninhabited open land located approximately 1,860 feet from the reference coordinate system benchmark used at Haddam Neck Plant (HNP) (see Attachment 1). The survey unit is bounded by Survey Unit 9520-0003. The survey unit is relatively level open space in the middle of the peninsula. The restoration of the peninsula for FSS has removed most of the surface interference in the survey unit.

The reference coordinates associated with this survey unit are E005 through EO1 1 by S086 through S091 (refer to License Termination Plan (LTP) Section 5.4.4). The reference coordinates provide the maximum dimensions of a rectangle containing this survey unit. Some areas contained in this rectangle may not be part of this survey unit. The boundary of the survey unit was defined using a Global Positioning System (GPS) based on the Connecticut State Plane System North American Datum (NAD) 1927.

2. CLASSIFICATION BASIS The survey unit was classified in accordance with Procedure RPM 5.1-10, "Survey Unit Classification."

The "Classification Basis Summary" conducted for Survey Unit 9520-0004 consisted of:

a) A review of the 10CFR50.75 (g) (1) database, b) A review of the "InitialCharacterizationReport" and the "HistoricSite Assessment Supplement, "

c) Historic and current survey records review, d) Visual inspections and a "walkdown."

A review of the 10CFR50.75(g)(1) database report and historical files shows a documented history of the use of this survey unit as a radioactive materials storage area. Examples of some of the major events are provided below.

a) Plant Incident Report (PIR) 80-37 reported the discovery of three (3) discrete sources of elevated activity on the Southeast Site Storage area in March 1980, along with other areas around the site. The three (3) discrete sources were identified within adjacent Survey Units 9520-0001 and 9520-0002. The elevated areas were removed upon detection according to the report.

b) Health Physics surveys performed in 1983 and 1985 document the discovery of radioactive material (strainers, bolts, wood pallets, sections of pipe, etc.) on the peninsula. The 1985 survey documents the discovery of contaminated dirt under a pallet.

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SOUTHWEST SITE STORAGE AREA SURVEY UNIT 9520-0004 RELEASE RECORD c) Condition Report (CR) 05-0314: Documents the discovery of excavation spoils, intended for backfill, above the radiological criteria for use as backfill. These spoils were likely located in Survey Units 9520-0003 and 9520-0004 on review of the documentation. According to the CR closure documentation, the affected spoils were removed and packaged for disposal. Follow-up survey and sampling was performed and the results were below established action levels.

A review of the "Initialand Supplemental CharacterizationReports" as well as the previous "Classification Basis Summaries" was performed. Survey Unit 9520-0004 was initially included in Survey Unit 9520-0003, a Class 2 survey unit. However, in March of 2006, Co-60 and Cs-137 were identified in subsurface soils in sufficient quantities to warrant radiological remediation.

Radiological remediation was performed in July 2006. A new Class I survey unit, Survey Unit 9520-0004, was established to bound the area of remediation.

Characterization was performed in August 2006 to support final classification and FSS planning. Statistical quantities (mean, median and standard deviation) from the 2006 characterization survey conducted under SSWP 06-07-006 are provided in Table 1.

TableI Basic Statisticn centr :. ation( -

.!S urN ey Minimum ObservedCocnrto(pig:I - v.

8E0 Maximum Observed Concentration (pCi/g): 4.80E-04 Mean (pCi/g): 1.62E-01 Median (pCi/g): 6.12E-02 Standard Deviation (pCi/g): 5.88E-02 The FSS Engineer performed a visual inspection and walk-down during September 2006 to assess the physical condition of the survey unit, evaluate access points and travel paths and identify potentially hazardous conditions.

This survey area is affected by existing groundwater (reference CY memo ISC 06-024) which will be a source of dose from residual radioactivity, as discussed in Section 3 under the Data Quality Objectives.

Based upon the identification of radioactive material above the Derived Concentration Guideline Levels (DCGLs), and the need for radiological remediation, it was concluded that there was some probability for residual radioactivity in concentrations greater than the DCGLs, justifying a final survey unit classification of Class 1 (refer to Section 3).

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3. DATA QUALITY OBJECTIVES (DQO)

FSS design and planning used the Data Quality Objective (DQO) process as described by the LTP, Procedure RPM 5.1-11, "Preparationof Final Status Survey Plan," and the "Multi-Agency Radiation Survey and Site Investigation Manual" (MARSSIM). A summary of the main features of the DQO process are provided herein.

The DQO process incorporated hypothesis testing and probabilistic sampling distributions to control decision errors during data analysis. Hypothesis testing is a process based on the scientific method that compares a baseline condition to an alternate condition. The baseline condition is technically known as the null hypothesis. Hypothesis testing rests on the premise that the null hypothesis is true and that sufficient evidence must be provided for rejection. In designing the survey plan, the underlying assumption, or null hypothesis was that residual activity in the survey unit exceeded the release criteria. Rejection of the null hypothesis would indicate that residual activity within the survey unit does not exceed the release criteria. Therefore, the survey unit does satisfy the primary objective of the FSS plan.

The primary objective of the FSS plan was to demonstrate that the level of residual radioactivity in Survey Unit 9520-0004 did not exceed the release criteria specified in the LTP and that the potential dose from residual radioactivity is As Low As Reasonably Achievable (ALARA).

A fundamental precursor to survey design is to establish a relationship between the release criteria and some measurable quantity. This is done through the development of DCGLs. The DCGLs represent average levels of radioactivity above background levels and are presented in terms of surface or mass activity concentrations. Chapter 6 of the LTP describes in detail the modeling used to develop the DCGLs for soil (called Base Case Soil DCGL), existing groundwater radioactivity and future groundwater radioactivity that will be contributed by building basements and footings.

The DCGLs presented in Chapter 6 of the LTP were developed for exposures from three (3) components, that is, residual radioactivity in soil, existing groundwater radioactivity, and future groundwater radioactivity from the burial of concrete foundations or footings from site buildings containing residual radioactivity. Equation 1 shows the mathematical relationship between the three (3) components and the total dose.

Equation 1 HTota =Hsoi- HExistingGW +HFutureGW The total dose under the LTP criteria is twenty-five (25) mrem/yr TEDE from all three (3) components. The allowable total dose under the Connecticut Department of Environmental Protection (CTDEP) radiological remediation Revision 0 5 Revision 0 5

SOUTHWEST SITE STORAGE AREA SURVEY UNIT 9520-0004 RELEASE RECORD standard for CY is nineteen (19) mrem/yr TEDE. To satisfy both the LTP and CY CTDEP criteria, the dose from soil must be reduced when using the existing and future groundwater dose values discussed above.

This survey area is affected by existing groundwater (reference CY memo ISC 06-024). Therefore, the dose contribution from existing groundwater is bounded by two (2) mrem/yr TEDE.

This survey unit is not considered impacted by future groundwater radioactive contamination, as there are no buried concrete foundations or footings containing residual radioactive material within the groundwater saturated zone in the area (reference CY memo ISC 06-024). The dose contribution from future groundwater, the third dose component is, therefore, zero (0) mrem/yr TEDE.

Equation 2 19 mrem/yrTotal = 17 mrem/yrsoil + 2 mrem/yrExisting GW+ 0 mrem/yrFutureGW The allowable dose for soil in this survey unit is seventeen (17) mrem/yr TEDE as shown by Equation 2 above. The concentration of residual radioactivity resulting in seventeen (17) mrem/yr TEDE is designated as the Operational DCGL, and has been established for the radionuclides of concern as provided in Table 2.

1t-3 4.1 ZIL,+/-U2 2.ZOl?+SU 1.65E+01 C-14 5.66E+00 3.85E+00 2.26E-01 Mn-54 1.74E+01 1.1 8E+01 6.96E-01 Fe-55 2.74E+04 1.86E+04 1.1 OE+03 Co-60 3.81 E+00 2.59E+00 1.52E-01 Ni-63 7.23 E+02 4.92E+02 2.89E+O1 Sr-90 1.55E+00 1.05E+00 6.20E-02 Nb-94 7.12E+00 4.84E+00 2.85E-01 Tc-99 1.26E+01 8.57E+00 5.04E-01 Ag-108m 7.14E+00 4.86E+00 2.86E-01 Cs-134 4.67E+00 3.18E+00 1.87E-01 Cs-137 7.91E+00 5.38E+00 3.16E-01 Eu-152 1.01E+01 6.87E+00 4.04E-0 i Eu- 154 9.29E+00 6.32E+00 3.72E-01 Eu- 155 3.92E+02 2.67E+02 1.57E+01 Revision 0 6

SOUTHWEST SITE STORAGE AREA SURVEY UNIT 9520-0004 RELEASE RECORD Pu-239/240 2.67E+O 1 1.82E+01 1.07E+00 Pu-241 8.70E+02 5.92E+02 3.48E+O1 5

Am-241 ( ) 2.58E+01 1.75E+01 1.03E+00 Cm-243/244 2.90E+O1 1.97E+O1 1.16E+00 (1) Bold indicates those radionuclides considered to be Hard-to-Detect (HTD)

(2) The Base Case Soil DCGLs for soil are specified by the LTP in Chapter 6 and are equivalent to 25 mrem/yr TEDE (3) The Operational DCGL is equivalent to 17 mrem/yr TEDE (4) The required MDC is equivalent to I mrem/yr TEDE (5) Americium-241 can be analyzed by gamma and alpha spectroscopy and is considered to be Easy to Detect (ETD); the preferred result is the alpha spectroscopy's when both analyses are performed Another important facet of the DQO process is to identify the radionuclides of concern and determine the concentration variability. Soil samples were collected in 2006 to establish the radiological condition of Survey Unit 9520-0004 for FSS. Cs-137 was the only gamma emitting radionuclide reported in concentrations with the potential for exceeding the screening criteria. The characterization data were used for the survey design and are provided in Table 1.

Instrument DQOs included a verification of the ability of the survey instrument to detect the radiation(s) of interest relative to the DCGL. Survey instrument response checks were required prior to issue and after the instrument had been used. Control and accountability of survey instruments was required to assure the quality and prevent the loss of data.

As part of the DQOs applied to laboratory processes, analysis results were reported as actual calculated results. Results reported as less than Minimum Detectable Concentration (MDC) were not accepted for FSS. Sample report summaries included unique sample identification, analytical method, radionuclide, result, and uncertainty to two (2) standard deviations, laboratory data qualifiers, units, and the required and observed MDC.

4. SURVEY DESIGN The level of effort associated with planning a survey is based on the complexity of the survey and nature of the hazards. Guidance for preparing FSS plans is provided in Procedure RPM 5.1-11, "Preparation of Final Status Survey Plans". The FSS plan uses an integrated sample design that combines scanning surveys and sampling which can be either random or biased.

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SOUTHWEST SITE STORAGE AREA SURVEY UNIT 9520-0004 RELEASE RECORD The DQO process determined that Cs-137 would be the radionuclide of concern in Survey Unit 9520-0004 (refer to Section 3). Other radionuclides identified during this FSS would be evaluated to ensure adequate survey design.

Surrogate DCGLs were not required for this survey unit based the previous FSS of this survey unit and via screening under LTP Section 5.4.7.2, "Gross Activity DCGLs". Radionuclide screening or de-selection is a process where an individual radionuclide or aggregates may be considered insignificant and eliminated from the FSS. The criteria for de-selection are concentrations less than 5% for individual radionuclides and less than 10% for aggregates.

The Elevated Measurement Comparison (EMC) did apply to this survey unit since it is a Class 1 area and discrete, elevated areas of contamination were expected.

The Sign Test was selected as the non-parametric statistical test. The use of the Sign Test did not require the selection or use of a background reference area, which simplified survey design and implementation. This approach was conservative since it included background Cs-137 as part of the sample set.

The number of soil samples for FSS was determined in accordance with Procedure RPM 5.1-12, "Determination of the Number of Surface Samples for FinalStatus Survey." The Lower Bound of the Gray Region (LBGR) was set in accordance with Procedure RPM 5.1-11 to 5.27 to maintain the relative shift (A/o) in the range of 1 and 3. The resulting Adjusted Relative Shift was 2.0. A Prospective Power Curve was generated using COMPASS, a software package developed under the sponsorship of the United States Nuclear Regulatory Commission (USNRC) for implementation of the MARSSIM in support of the decommissioning license termination rule (10 CFR 20, Subpart E). The result of the COMPASS computer run showed adequate power for the survey design.

The survey design specified fifteen (15) surface soil samples for non-parametric statistical testing.

The grid pattern and locations of the soil samples were determined using Visual Sample Plan (VSP) in accordance with Procedure RPM 5.1 14, "Identifying, and Marking Surface Sample Locations for Final Status Survey." Visual Sample Plan was created by Pacific Northwest National Laboratory (PNNL) for the United States Department of Energy. A systematic triangular grid pattern with a random starting point was selected for sample design, which is appropriate for a Class 1 area.

Sample locations were identified using AutoCAD-LT, a commercially available plotting software package with coordinates consistent with the Connecticut State Plane System. These coordinates were integrated with a GPS to locate sample locations in the field. Sample Measurement Locations for the design are listed with the GPS coordinates in Table 3.

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'Table 3 - Sample Measuremnent Locationis iNith Asso~ciated GP-S Coordinates Designaiti n Northiing Fasting 9520-0004-OOIF 235584.13 669733.34 9520-0004-002F 235619.22 669753.61 9520-0004-003F 235654.32 669773.87 9520-0004-004F 235619.22 669794.13 9520-0004-005F 235584.13 669773.87 9520-0004-006F 235549.03 669753.61 9520-0004-007F 235549.03 669794.13 9520-0004-008F 235584.13 669814.39 9520-0004-009F 235619.22 669834.65 9520-0004-01 OF 235584.13 669854.91 9520-0004-01 IF 235549.03 669834.65 9520-0004-012F 235513.94 669814.39 9520-0004-013F 235513.94 669854.91 9520-0004-014F 235549.03 669875.18 9520-0004-015F 235584.13 669895.44 Procedure RPM 5.1-11 specifies that 5% of the samples are required to be selected for HTD analysis. Two (2) soil samples, or about 10% of the number of samples that would be used for non-parametric statistical testing were randomly selected for HTD radionuclide analysis using the Microsoft Excel "RANDBETWEEN" function. Each sample was sent off-site for a full suite analysis of the HTD radionuclides specified in the LTP, Table 2-12, "Radionuclides Potentially Present at Haddam Neck Plant" and as provided in Table 2.

The implementation of quality control measures as referenced by Procedure RPM 5.1-24, "Split Sample Assessment for Final Status Survey," included the collection of two (2) soil samples for "split sample" analysis by the off-site laboratory. These locations were selected randomly using the Microsoft Excel "RANDBETWEEN" function. The number of quality control soil samples was about 10% of fifteen (15) samples.

The LTP specifies a required scanning coverage of 100% for outdoor Class 1 areas.

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SOUTHWEST SITE STORAGE AREA SURVEY UNIT 9520-0004 RELEASE RECORD For this Class 1 survey unit, the "Investigation Level" for area scanning and soil sample measurement results are those levels specified in LTP, Table 5-8. Table 4 provides a synopsis of the survey design.

Type 1 and Type 2 errors were 0.05, sigma was 0.055 pCi/g, 15 Number of Measurements the LBGR was adjusted to 5.27 (15 systematic grid) to maintain Relative Shift in the range of I and.3 Grid Spacing 12.4 m Based on triangular grid Administratively set to achieve Operational DCGL 5.38 pCi/g Cs-137 17 mrem/yr TEDE ()

The Operational DCGL Soil Investigation Level 5.38 pCi/g Cs-137 conservatively meets the LTP criteria for a Class 1 survey unit Scan Survey Area Approximately The LTP requires 100% area SC veyrae 100% coverage for Class I survey Coverage of the area units An instrument Based upon a Minimum Detectable Count Rate (MDCR)

Scan Investigation Level response than 3,108 greater cpm of 1,597 cpm and a corresponding DCGLEMC of above background 13.3 pCi/g (2)

(1) The allowable dose for soil in this survey unit is 17 mrem/yr TEDE as the bounding dose from existing and future groundwater has been established based on field data (reference CY memo ISC 06-024)

(2) The Area Factor is 2.54 and the instrument conversion factor for Cs-137 is 228 cpm/pCi/g

5. SURVEY IMPLEMENTATION FSS field activities were conducted under Work Plan and Inspection Record (WP&IR) 2006-0038. The WP&IR package included a detailed FSS plan, job safety analysis, job planning checklist and related procedures for reference.

Daily briefings were conducted to discuss the expectations for job performance and the safety aspects of the survey. The "Daily Survey Journal" was used to document field activities and other information pertaining to the FSS.

A single scan area was established that constituted approximately 100% of the surface area of Survey Unit 9520-0004. Grid lines, one meter wide, were painted on the ground of the scan area. A background survey was performed around the survey unit and it was determined that, using an Eberline E-600 with a SPA-3 sodium iodide detector, background ranged from 4,950 counts per minute (cpm) up to 7,230 cpm.

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SOUTHWEST SITE STORAGE AREA SURVEY UNIT 9520-0004 RELEASE RECORD The scan area was established and scanned for elevated readings (see Attachment 2 for all scan results). Scanning was performed with an Eberline E-600 using a SPA-3 sodium iodide detector. The E-600 was operated in the rate-meter mode and used with audio response. The probe was positioned as close to the ground as possible and was moved at a scan speed of about 0.5 meters per second. Approximately 100% of the survey unit was scanned.

Measurement locations were identified in North American Datum (NAD) 1927 coordinates using GPS coordinates; sample locations were identified and marked with a surveyor's flag or paint for identification. At each sample location, a one (1) meter radius around the sample flag or paint mark was scanned for elevated radiation levels.

Seventeen (17) surface soil samples were collected and packaged in accordance with Haddam Neck Plant (HNP) Procedure RPM 5.1-3, "Collection of Sample Media for Final Status Survey" and FSS design. Samples were controlled, transported, stored, and transferred to the off-site laboratory using Chain-of-Custody (COC) protocol in accordance with Procedure RPM 5.1-5, "Chain of Custodyfor FinalStatus Survey Samples."

Two (2) samples (9520-0004-011F and 9520-0004-014F) were randomly selected for HTD radionuclide analysis.

The implementation of survey specific quality control measures included the collection of two (2) samples (9520-0004-004F and 9520-0004-012F) for "split sample" analysis.

6. SURVEY RESULTS All field survey activities were conducted between October 13, 2006 and October 23, 2006.

Table 5 provides an overview of the scan results for sample measurement locations. Scan results are provided in Attachment 2.

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SOUTHWEST SITE STORAGE AREA SURVEY UNIT 9520-0004 RELEASE RECORD 6.59 YES 8 6.40 7.71 NO 9 6.78 6.58 YES 10 5.13 6.69 NO 11 5.46 6.91 NO 12 6.72 7.64 NO 13 6.42 8.17 NO 14 7.44 6.76 YES 15 7.39 8.08 NO (1) The action level is based on a measurement above ambient background in accordance with the FSS plan The scan areas, that comprised approximately 100% of the total surface area for the survey unit, were scanned for elevated radiation levels. The survey unit was scanned in accordance with the FSS plan on October 17, 2006 through October 23, 2006. Two elevated measurement locations were identified during scanning. Table 6 provides an overview of the scan area survey. Scan results are provided in Attachment 2.

9520-04-ER 520-0004-016F 26-1 1 27.1 7.88 9520-04-ER-0 1- 9520-0004-017F 31-1 (1) The action level is based on a measurement above ambient background (2) ER is an abbreviation associated with the barcodes used in the field where ER stands for Elevated Reading The off-site laboratory employed for the radiological analyses of samples was General Engineering Laboratories, LLC. The laboratory analyzed the fifteen (15) samples collected for non-parametric statistical testing, the associated field splits, and the two (2) confirmatory samples using gamma spectroscopy.

Gamma spectroscopy analysis was performed to the required MDCs. Gamma spectroscopy results identified some radionuclides meeting the accepted criteria Revision 0 12 Revision 0 12

SOUTHWEST SITE STORAGE AREA SURVEY UNIT 9520-0004 RELEASE RECORD for detection (i.e., a result greater than two standard deviations uncertainty).

However, Cs-137 was the only radionuclide reported in concentrations exceeding the de-selection criteria.

Cs-137 was identified in thirteen (13) of the fifteen (15) samples collected for non-parametric statistical testing. Cs-137 was the primary radionuclide confirming the DQOs. The mean of the gamma spectroscopic analysis results for the sample population indicated that Cs-137 was present at levels lower than the concentration of Cs-137 found in soil at off-site locations within the vicinity of the HNP as presented in the Health Physics TSD BCY-HP-0063.

A summary of the fifteen (15) samples collected for non-parametric statistical testing results is provided in Table 7.

9_2U-UUU4-UUIP 3.19E-02 U.U3I 9520-0004-002F 2.85E-02 0.025 9520-0004-003F 3.94E-02 0.023 9520-0004-004F 5.92E-02 0.026 9520-0004-005F 3.15E-02 0.027 9520-0004-006F -9.59E-03 0.016 9520-0004-007F 3.22E-02 0.028 9520-0004-008F 5.20E-02 0.026 9520-0004-009F 4.11 E-02 0.023 9520-0004-01OF 3.46E-02 0.029 9520-0004-01 IF 5.69E-02 0.040 9520-0004-012F 1.20E-01 0.037 9520-0004-013F 7.37E-02 0.022 9520-0004-014F 4.71E-02 0.020 9520-0004-015F 5.71E-02 0.024 (I) The Operational DCGL from Table 2 is 5.38 pCi/g for Cs-137 to achieve 17 mrem/yr TEDE The off-site laboratory also processed two (2) samples for HTD analysis as required by the sample plan. The requested analyses included alpha spectroscopy, gas proportional counting, and liquid scintillation depending on the radionuclide and the measurement method. All analyses met the required MDC.

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SOUTHWEST SITE STORAGE AREA SURVEY UNIT 9520-0004 RELEASE RECORD As previously stated in Section 4 of this report, the criteria for de-selection of a radionuclide is a concentration that is less than 5% of the Operational DCGL for individual radionuclides and less than 10% of the Operational DCGLs for aggregates. H-3 was the only HTD, which by analysis, met the criteria for detection (i.e., a result greater than two standard deviations uncertainty). The highest result for H-3 was at 4% of the Operational DCGL.

9520-0004-014F 9.45E+00 0.034 (1) The Operational DCGL from Table 2 is 280 pCi/g for H-3 to achieve 17 mrem/yr TEDE

7. QUALITY CONTROL The off-site laboratory processed the split samples and performed gamma spectroscopy analysis. Ten percent (10%) of the samples were selected for analysis, which exceeds the 5% minimum required by the LTP. The data were evaluated using USNRC acceptance criteria specified in Inspection Procedure 84750 as detailed in HNP Procedure RPM 5.1-24, "Split Sample Assessment for Final Status Survey". Cs-137 was not detected in sufficient quantities in the field split results at location 9520-0004-004 to evaluate in accordance with procedure. Evaluation using the reported results for K-40 resulted in acceptable agreement between the field split result at this location. There was acceptable agreement between the field split results at location 9520-0004-012.

The sample analysis vendor, General Engineering Laboratories, LLC, maintains quality control and quality assurance plans as part of normal operation. Refer to Attachment 4 for data and data quality analysis results.

8. INVESTIGATIONS AND RESULTS Two confirmatory samples were collected at the locations exhibiting elevated scan readings. The samples are denoted as shown in Table 6, with the sample results shown in Table 9 below.

9520-0004-016F 1.25E-01 I 0.023 9520-0004-017F 1.68E-01 0.031 (1) The Operational DCGL from Table 2 is 5.38 pCi/g for Cs-137 to achieve 17 mrem/yr TEDE Revision 0 14 Revision 0 14

SOUTHWEST SITE STORAGE AREA SURVEY UNIT 9520-0004 RELEASE RECORD

9. REMEDIATION AND RESULTS Radiological remedial action as described by MARSSIM Section 5.4 was performed in this survey unit prior to FSS. The results for Cs-137 following remediation were well below the Operational DCGL provided in Table 2.

Cs-137 was not identified in any of the samples. Health Physics TSD BCY-HP-0078, "ALARA Evaluation of Soil Remediation in Support of Final Status Survey, " determined that remediation beyond that required to meet the release criteria is unnecessary and that the remaining residual radioactivity in soil was ALARA.

10. CHANGES FROM THE FINAL STATUS SURVEY PLAN No changes were made to the FSS plan.

11. DATA QUALITY ASSESSMENT (DQA)

The DQO sample design and data were reviewed in accordance with Procedure RPM 5.1-23, "Data Quality Assessment, " for completeness and consistency.

The sampling design had adequate power as indicated by the Retrospective Power Curve. The Sign Test was performed on the data and compared to the original assumptions of the DQOs. The evaluation of the Sign Test results demonstrates that the survey unit passes the unrestricted release criteria, thus, the null hypothesis is rejected.

Documentation was complete and legible. Surveys and sample collection were consistent with the DQOs and were sufficient to ensure that the survey unit was properly designated as Class 1.

The preliminary data review consisted of calculating basic statistical quantities (e.g., mean, median, standard deviation). The mean and median values are well below the Operational DCGL. Also, the retrospective power curve shows that a sufficient number of samples were collected to achieve the desired power.

Therefore, the survey unit meets the unrestricted release criteria with adequate power as required by the DQOs.

For Cs- 137, the range of the data, about five (5) standard deviations, was not an overly large variation considering that the levels were essentially at existing environmental levels where such variation is to be expected. The difference between the mean and median was about 20% of the standard deviation which indicates slight skewness in the data. The data was represented graphically through posting plots, a frequency plot, and a quantile plot. The frequency plot indicates positive skewness as confirmed by the calculated skew of 0.88.

All data, assessments, and graphical representations are provided in Attachment 4.

12. ANOMALIES No anomalies were noted.

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13. CONCLUSION Survey Unit 9520-0004 has met the final DQOs of the FSS plan. The ALARA criteria for soils as specified in Chapter 4 of the LTP were achieved following remedial action. Elevated Measurement Comparison was not required.

Cs-137 was used for statistical testing to determine the adequacy of the survey unit for FSS.

The sample data passed the Sign Test. The null hypothesis was rejected. The Retrospective Power Curve generated using COMPASS shows adequate power was achieved. The survey unit is properly designated as Class 1.

The dose contribution from soil is less than 1 mrem/yr TEDE based on the average concentration of the samples used for non-parametric statistical sampling.

This survey area is affected by existing groundwater (reference CY memo ISC 06-024); therefore the dose contribution from existing groundwater is bounded at two (2) mrem/yr TEDE.

This survey unit is not considered impacted by future groundwater radioactive contamination, as there are no underground structures, systems or components containing residual radioactive material within the groundwater saturated zone in the area (reference CY memo ISC 06-024); therefore, the dose contribution from future groundwater is zero (0) mrem/yr TEDE.

The average total dose from residual radioactivity in this survey unit, including exposures from the three (3) components as described in Section 3, that is, residual radioactivity in soil, existing groundwater radioactivity, and future groundwater radioactivity from the burial of concrete foundations or footings from site buildings containing residual radioactivity, will not exceed 3 mrem/yr TEDE. Therefore, Survey Unit 9520-0004 is acceptable for unrestricted release.

14. ATTACHMENTS 14.1 Attachment 1 - Survey Unit Location Map 14.2 Attachment 2 - Scan Results 14.3 Attachment 3 - Laboratory Results 14.4 Attachment 4 - DQA Results Revision 0 16 Revision 0 16

CENTRAL PENINSULA SURVEY UNIT 9520-0004 RELEASE RECORD ATTACHMENT 1 (FIGURES)

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,j-cONNIcrlCU Arvjt-r Connecticut Yankee Atomic Power Company (iF Site Map With Reference To Survey Unit 9520-0004

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ýFWe Connecticut Yankee Atomic Power Conpany Survey Unit 9520-0004 FinalStatus Survey Design

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CENTRAL PENINSULA SURVEY UNIT 9520-0004 RELEASE RECORD ATTACHMENT 2 (SCAN RESULTS)

Survey Release Record Sample Location Scan Results Survey Unit 9520-0004 Sample Name Background Action Level Results Above Loq Date Log Time E600 S/N Probe S/N (CPM) AL 9520-04-SL-00-01-0 4.35E+03 5.29E+03 4.73E+03 10/13/2006 8:15:00 1105 1012 9520-04-SL-00-02-0 4.42E+03 5.37E+03 5.39E+03 + 10/13/2006 9:29:00 1105 1012 9520-04-SL-00-03-0 6.49E+03 7.64E+03 6.65E+03 10/13/2006 9:37:00 1105 1012 9520-04-SL-00-04-0 5.37E+03 6.42E+03 5.89E+03 10/13/2006 9:46:00 1105 1012 9520-04-SL-00-05-0 4.51 E+03 5.47E+03 4.52E+03 10/13/2006 10:02:00 1105 1012 9520-04-SL-00-06-0 4.60E+03 5.57E+03 5.05E+03 10/13/2006 10:15:00 1105 1012 9520-04-SL-00-07-0 5.49E+03 6.55E+03 6.59E+03

10/13/2006 10:27:00 1105 1012 9520-04-SL-00-08-0 6.55E+03 7.71 E+03 6.40E+03 10/13/2006 10:53:00 1105 1012 9520-04-SL-00-09-0 5.52E+03 6.58E+03 6.78E+03

10/13/2006 11:04:00 1105 1012 9520-04-SL-00-10-0 5.62E+03 6.69E+03 5.13E+03 10/13/2006 12:52:00 1105 1012 9520-04-SL 1-0 5.82E+03 6.91 E+03 5.46E+03 10/13/2006 13:02:00 1105 1012 9520-04-SL-00-12-0 6.49E+03 7.64E+03 6.72E+03 10/13/2006 13:14:00 1105 1012 9520-04-SL-00-I 3-0 6.98E+03 8.17E+03 6.42E+03 10/13/2006 13:33:00 1105 1012 9520-04-SL-00-14-0 5.68E+03 6.76E+03 7.44E+03

10/13/2006 13:54:00 1105 1012 9520-04-SL-00-1 5-0 6.89E+03 8.08E+03 7.39E+03 10/13/2006 13:58:00 1105 1012 AL - Action Level

Survey Release Record Scan Area Results Survey Unit 9520-0004 9520-0004 SCAN AREA 1 Background Action Level Results Above Loq Date Log Time E600 SIN Probe SIN Sample Name (cpm) (CnM) AL 9520-04-SC-01-01-0 5.96E+03 7.06E+03 6.64E+03 10/17/2006 14:05:00 1112 1013 9520-04-SC-01-02-0 7.17E+03 8.38E+03 5.43E+03 10/17/2006 14:10:00 1112 1013 9520-04-SC-01-03-0 5.74E+03 6.82E+03 6.45E+03 10/17/2006 14:13:00 1112 1013 9520-04-SC-01-04-0 6.38E+03 7.52E+03 6.82E+03 10/19/2006 13:30:00 1105 1012 9520-04-SC-01-05-0 6.61 E+03 7.77E+03 6.19E+03 10/19/2006 13:36:00 1105 1012 9520-04-SC-01-06-0 6.49E+03 7.64E+03 6.86E+03 10/19/2006 13:42:00 1105 1012 9520-04-SC-01-07-0 6.24E+03 7.37E+03 5.63E+03 10/19/2006 13:46:00 1105 1012 9520-04-SC-01-08-0 6.06E+03 7.17E+03 6.68E+03 10/19/2006 13:52:00 1105 1012 9520-04-SC-01-09-0 6.40E+03 7.54E+03 5.48E+03 10/19/2006 13:57:00 1105 1012 9520-04-SC-01-10-0 5.26E+03 6.30E+03 5.96E+03 10/19/2006 14:04:00 1105 1012 9520-04-SC-01-11-0 5.70E+03 6.78E+03 6.32E+03 10/23/2006 8:14:00 1117 1001 9520-04-SC-01-12-0 7.13E+03 8.34E+03 6.11E+03 10/23/2006 8:18:00 1117 1001 9520-04-SC-01-13-0 6.89E+03 8.08E+03 5.61 E+03 10/19/2006 14:07:00 1105 1012 9520-04-SC-01-14-0 6.70E+03 7.87E+03 6.37E+03 10/19/2006 14:11:00 1105 1012 9520-04-SC-01-1.5-0 7.12E+03 8.32E+03 5.77E+03 10/19/2006 14:14:00 1105 1012 9520-04-SC-01-16-0 6.31 E+03 7.44E+03 6.46E+03 10/23/2006 8:21:00 1117 1001 9520-04-SC-01-17-0 7.23E+03 8.44E+03 6.68E+03 10/23/2006 8:24:00 1117 1001 9520-04-SC-01-18-0 5.83E+03 6.92E+03 6.13E+03 10/19/2006 14:21.00 1105 1012 9520-04-SC-01-19-0 6.48E+03 7.63E+03 6.45E+03 10/19/2006 14:24:00 1105 1012 9520-04-SC-01-20-0 6.37E+03 7.51 E+03 5.94E+03 10/19/2006 14:29:00 1105 1012 9520-04-SC-01-21-0 5.10E+03 6.12E+03 5.59E+03 10/18/2006 14:34:00 1114 1014 9520-04-SC-01-22-0 5.30E+03 6.34E+03 5.05E+03 10/18/2006 14:30:00 1114 1014 9520-04-SC-01-23-0 4.95E+03 5.95E+03 4.75E+03 10/18/2006 14:24:00 1114 1014 9520-04-SC-01-24-0 5.15E+03 6.17E+03 5.03E+03 10/18/2006 14:22:00 1114 1014 9520-04-SC-01-25-0 5.59E+03 6.66E+03 5.16E+03 10/18/2006 14:16:00 1114 1014 9520-04-SC-01-26-0 6.39E+03 7.53E+03 5.26E+03 10/18/2006 14:11:00 1114 1014 9520-04-ER-01-26-1 6.39E+03 7.53E+03 2.34E+04 + 10/19/2006 7:37:00 1105 1012 9520-04-SC-01-27-0 6.65E+03 7.81E+03 5.06E+03 10/18/2006 14:05:00 1114 1014 9520-04-SC-01-28-0 6.57E+03 7.73E+03 5.11E+03 10/18/2006 13:55:00 1114 1014 AL - Action Level

Survey Release Record Scan Area Results Survey Unit 9520-0004 9520-04-SC-01-29-0 6.67E+03 7.84E+03 5.68E+03 10/18/2006 13:48:00 1114 1014 9520-04-SC-01-30-0 6.23E+03 7.36E+03 5.67E+03 10/18/2006 13:44:00 1114 1014 9520-04-SC-01-31-0 6.71 E+03 7.88E+03 5.43E+03 10/18/2006 13:39:00 1114 1014 9520-04-ER-01-31-1 6.71 E+03 7.88E+03 2.71 E+04 + 10/19/2006 7:38:00 1105 1012 9520-04-SC-01-32-0 6.78E+03 7.96E+03 5.50E+03 10/18/2006 13:35:00 1114 1014 9520-04-SC-01-33-0 6.24E+03 7.37E+03 5.19E+03 10/18/2006 13:25:00 1114 1014 9520-04-SC-01-34-0 6.66E+03 7.83E+03 5.22E+03 10/18/2006 13:21:00 1114 1014 9520-04-SC-01-35-0 6.46E+03 7.61 E+03 6.50E+03 10/18/2006 13:16:00 1114 1014 AL - Action Level

CENTRAL PENINSULA SURVEY UNIT 9520-0004 RELEASE RECORD ATTACHMENT 3 (LABORATORY DATA)

General Narrative 1

General Narrative for Connecticut Yankee Atomic Power Co.

Work Order: 174346 SDG: MSR#06-1375 October 24, 2006 Laboratory Identification:

General Engineering Laboratories, LLC 2040 Savage Road Charleston, South Carolina 29407 (843) 556-8171 Summary Sample receipt The samples arrived at General Engineering Laboratories, LLC, Charleston, South Carolina on October 18, 2006 for analysis. Shipping container temperatures were checked, documented, and within specifications. The samples were delivered with proper chain of custody documentation and signatures. All sample containers arrived without any visible signs of tampering or breakage.

Sample Identification The laboratory received the following samples:

Laboratory Sample Identification Description 174346001 9520-0004-00IF 174346002 9520-0004-002F 174346003 9520-0004-003F 174346004 9520-0004-004F 174346005 9520-0004-004FS 174346006 9520-0004-005F 174346007 9520-0004-006F 174346008 9520-0004-007F 174346009 9520-0004-008F 174346010 9520-0004-009F 174346011 9520-0004-0IOF 174346012 9520-0004-012F 174346013 9520-0004-012FS 174346014 9520-0004-013F 174346015 9520-0004-015F 174346016 9520-0004-01 IF 174346017 9520-0004-014F Items of Note There are no items to note.

Case Narrative GENERAL ENGINEERING LABORATORIES, LLC a Member of THE GEL GROUP, INC.

P.O. BOX 30712 Charleston, SC 29417 , 2040 Savage Road (29407)

Phone (843) 556-8171 - Fax-243) 766-1178 www.gel.com

Sample analyses were conducted using methodology as outlined in General Engineering Laboratories (GEL)

Standard Operating Procedures. Any technical or administrative problems during analysis, data review, and reduction are contained in the analytical case narratives in the enclosed data package.

Analytical Request Fifteen soil samples were analyzed for FSSGAM. Two soil samples were analyzed for FSSALL.

Data Package The enclosed data package contains the following sections: General Narrative, Chain of Custody and Supporting Documentation, Data Review Qualifier Definitions, and data from the following fractions: Radiochemistry.

I certify that this data package is in compliance with the SOW, both technically and for completeness, for other than the conditions detailed above. Release of the data contained in this hard copy data package has been authorized by the Laboratory Manager or a designee, as verified by the following signature.

ChePryJ e nes Project Manager GENERAL ENGINEERING LABORATORIES, LLC a Member of THE GEL GROUP, INC.

P.O. BOX 30712 Charleston, SC 29417 - 2040 Savage Road (29407)

Phone (843) 556-8171 - Fax343) 766-1178 www.gel.com.

List of current GEL Certifications as of 24 October 2006 State Certification Alaska UST-062 Arizona AZ0668 Arkansas 88-0651 CLIA 42D0904046 California 01151 CA Colorado GenEngLabs Connecticut PH-0169 Dept. of Navy NFESC 413 EPA WG-15J Florida/NELAP E87156 Georgia E87156 (FLINELAP)

Hawaii N/A Idaho N/A Illinois 200029 Indiana C-SC-01 Kansas E-10332 Kentucky 90129 Louisiana 03046 Maryland 270 Massachusetts M-SCO12 Michigan 9903 Nevada SC12 New Jersey SC002 New Mexico FL NELAP E87156 New York 11501 North Carolina 233 North Carolina Drinking W 45709 North Dakota R-158 Oklahoma 9904 Pennsylvania 68-00485 South Carolina 10120001/10585001/10120002 Tennessee 02934 Texas TX213-2006A Texas NELAP T104704235-06-TX U.S. Dept. of Agriculture S-52597 US Army Corps of Engineer N/A Utah 8037697376 GEL Vermont VT87156 Virginia 00151 Washington C1641 4

Chain of Custody and Supporting Documentation 5

Health Physics Procedure GPP-GGGR-R5104-003-Attachment B-CY-001 Major Connecticut Yankee Atomic Power Company Chain of Custody Form No. 2006-00630 362 Injun Hollow Road, East Hampton, CT 06424 860-267-2556 Project Name: Haddam Neck Decommissioning Analyses Requested Lab Use Only Contact Name & Phone: Comments:

Jack McCarthy 860-267-3924 Analytical Lab (Name, City, State)

General Engineering Laboratories 2040 Savage Road. Charleston SC. 29407 <

843 556 8171. Attn. Cheryl Jones V Priority: IZ 30 D. [: 14 D. 0 7 D. [- 3 D. Container Sample Size-Sample Designation Date Time Media Type &Type Comment, Preservation Lab Sample ID Code Code Code 9520-0004-001F 10/13/06 0817 TS G BP X 9520-0004-002F 10/13/06 0932 TS G BP X 9520-0004-003F 10/13/06 0941 TS G BP X 9520-0004-004F 10/13/06 0949 TS G BP X 9520-0004-004FS 10/13/06 0949 TS G BP X 9520-0004-005F 10/13/06 1005 TS G BP X 9520-0004-006F 10/13/06 1018 TS G BP X 9520-0004-007F 10/13/06 1030 TS G BP X 9520-0004-008F 10/13/06 1055 TS G BP X 9520-0004-009F 10/13/06 1107 TS G BP X J ______ J ______ J. ___ L ____ j. j ~ L NOTES: PO #: 002332 MSR #: 06- 1375 SSWP# NA M LTP QA [I Radwaste QA [_ Non QA Samples Shipped Via: Internal Container E Fed Ex Temp.: __ Deg.

El UPS C El Hand Custody Sealed?

Y " NO

1) Relinqul d B Date/Time 2) Received By Date/Time Custody Seal

_./7o. e 0 - El Other Intact?

3) Finquisired By Date/Time 4) Received By Date/Time 1 ?90 .2a9,2 4 6 ', Y4? NIZ Bill of Lading #

Health Physics Procedure GPP-GGGR-R5104-003-Attachment B-CY-00 I Major Connecticut Yankee Atomic Power Company Chain of Custody Form No. 2006-00631 362 Injun Hollow Road, East Hampton, CT 06424 860-267-2556 Project Name: Haddam Neck Decommissioning Analyses Requested Lab Use Only Contact Name & Phone: Comments:

Jack McCarthy 860-267-3924 Analytical Lab (Name, City, State)

General Engineering Laboratories

2040 Savage Road. Charleston SC. 29407 0 <

843 556 8171. Attn. Cheryl Jones Priority: EZ 30 D. II 14 D. 7 D. ] 3D. Container Sample Size-Sample Designation Date Time Media Type &Type Comment, Preservation Lab Sample ID Code Code Code 9520-0004-OIOF 10/13/06 1255 TS G BP X 9520-0004-011IF 10/13/06 1305 TS G BP X 9520-0004-012F 10/13/06 1317 TS G BP X 9520-0004-012FS 10/13/06 1317 TS G BP X 7 9520-0004-013F 10/13/06 1336 TS G BP X __

9520-0004-014F 10/13/06 1357 TS G BP X 9520-0004-015F 10/13/06 1402 TS G BP X NOTES: PO #: 002332 MSR #: 06-13775 SSWP# NA Z LTP QA [] Radwaste QA El Non QA Samples Shipped Via: Internal Container Z Fed Ex Temp.: __ Deg.

E UPS. C El Hand Custody Sealed?

Y 59 N W

1) Relinquish By Date/Time 2) Received By Date/Time Custody Seal El Other Intact?

3) Reli ished By Date/Time 4) Received By Date/Time 7qBoiol L 9of-di Yn" NO Bill of Lading #

. Connecticut Yankee Statement of Work for Analytical Lab Services -cY-1sc-Sow.-oo1 Figure 1. Sample Check-in List Date/Time Received: /.-/E'-, ro"_ I.

-- 37L4~

(

Work OrderNumber: A V I l

Shipping Cdntainer ID:, 217c 1& ?oT.

c2 ( Chain of Custody 00630 -.o06311-606-3

-,~b#

1. Custody Seals oii shipping container intac Yes (*f'o [I

2. Custody Seals dated and signed? Yes-( No ( ].

3. Chain-of-Custoy record present? Yes ,50 It

4. Cooler temperature

5. Vermiculite/packing materials is: Wet Dry t% A1/4E 6.:" Number of samples in shipping container:

7. Sample holding times exceeded? Yes [ ] No [-'

8. Samples have:'

S" tape -___hazard labels custody seals -appropriate sample labels

, */o ClP,4..

9. Samples are:

__i good condition -leaking

___broken _have air bubbles

10. Were any anomalies identified in sample receipt?

Yes [ No

1. :Description of anomalies (include sample numbers):

Sample Custodian/Laboratory: o to Date: - " .

Telephoned to: UC' By 1-B

Data Review Qualifier Definitions 9

Data Review Qualifier Definitions Qualifier Explanation

A quality control analyte recovery is outside of specified acceptance criteria

- Analyte is a surrogate compound

< Result is less than value reported

> Result is greater than value reported RPD of sample and duplicate evaluated using +/-RL. Concentrations are <5X the RL A The TIC is a suspected aldol-condensation product B Target analyte was detected in the associated blank B Metals-Either presence of analyte detected in the associated blank, or MDL/IDL < sample value < PQL BD Results are either below the MDC or tracer recovery is low C Analyte has been confirmed by GC/MS analysis D Results are reported from a diluted aliquot of the sample d 5-day BOD-The 2:1 depletion requirement was not met for this sample E Organics-Concentration of the target analyte exceeds the instrument calibration range E Metals-%difference of sample and SD is >10%. Sample concentration must meet flagging criteria H Analytical holding time was exceeded h Preparation or preservation holding time was exceeded J Value is estimated N Metals-The Matrix spike sample recovery is not within specified control limits N Organics-Presumptive evidence based on mass spectral library search to make a tentative identification of the analyte (TIC). Quantitation is based on nearest internal standard response factor N/A Spike recovery limits do not apply. Sample concentration exceeds spike concentration by 4X or more ND Analyte concentration is not detected above the reporting limit UI Gamma Spectroscopy-Uncertain identification X Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier Y QC Samples were not spiked with this compound Z Paint Filter Test-Particulates passed through the filter, however no free liquids were observed.

GENERAL ENGINEERING LABORATORIES, LLC a Member of THE GEL GROUP, INC.

P.O. BOX 30712 Charleston, SC 29417 - 2040 Savage Road (29407)

Phone (843) 556-8171 - Fal03) 766-1178 www-gel.com

RADIOLOGICAL ANALYSI S 11

Radiochemistry Case Narrative Connecticut Yankee Atomic Power Co. (YANK)

Work Order 174346 Method/Analysis Information Product: Alphaspec Am241, Cm, Solid ALL FSS Analytical Method: DOE EML HASL-300, Am-05-RC Modified Prep Method: Ash Soil Prep Dry Soil Prep GL-RAD-A-021 Method: Dry Soil Prep Analytical Batch Number: 580396 Prep Batch Number: 580482 Dry Soil Prep GL-RAD-A-021 Batch Number: 580480 Sample ID Client ID 174346016 9520-0004-01 IF 174346017 9520-0004-014F 1201210037 Method Blank (MB) 1201210038 174224006(9520-0002-008F) Sample Duplicate (DUP) 1201210039 174224006(9520-0002-008F) Matrix Spike (MS) 1201210040 Laboratory Control Sample (LCS)

SOP Reference Procedure for preparation, analysis and reporting of analytical data are controlled by General Engineering Laboratories, LLC as Standard Operating Procedure (SOP). The data discussed in this narrative has been analyzed in accordance with GL-RAD-A-01 I REV# 14.

Calibration Information:

Calibration Information All initial and continuing calibration requirements have been met.

Standards Information Standard solution(s) for these analyses are NIST traceable and used before the expiration date(s).

Sample Geometry All counting sources were prepared in the same geometry as the calibration standards.

12

Quality Control (0C) Information:

Blank Information The blank volume is representative of the sample volume in this batch.

Designated QC The following sample was used for QC: 174224006 (9520-0002-008F).

QC Information All of the QC samples met the required acceptance limits.

Technical Information:

Holding Time All sample procedures for this sample set were performed within the required holding time.

Preparation Information All preparation criteria have been met for these analyses.

Sample Re-prep/Re-analysis Sample 174346016 (9520-0004-01 IF) was recounted due to a negative result greater than three times the error.

Miscellaneous Information:

NCR Documentation Nonconformance reports are generated to document any procedural anomalies that may deviate from referenced SOP or contractual documents. The following NCR was generated for this SDG:

NCR 374838 was generated due to Container scanning event for custody missed. 1. The analyst did not scan the samples into the batch prior to analysis, however the samples did remain in their custody at all times. The error has been corrected and the analyst has been instructed on proper scanning procedures. 1. Reporting results.

Manual Integration No manual integrations were performed on data in this batch.

Additional Comments Additional comments were not required for this sample set.

Qualifier information Manual qualifiers were not required.

Method/Analysis Information 13

Product: Alphaspec Pu, Solid-ALL FSS Analytical Method: DOE EML HASL-300, Pu- 11-RC Modified Prep Method: Ash Soil Prep Dry Soil Prep GL-RAD-A-021 Method: Dry Soil Prep Analytical Batch Number: 580398 Prep Batch Number: 580482 Dry Soil Prep GL-RAD-A-021 Batch Number: 580480 Sample ID Client ID 174346016 9520-0004-01IF 174346017 9520-0004-014F 1201210045 Method Blank (MB) 1201210046 174224006(9520-0002-008F) Sample Duplicate (DUP) 1201210047 174224006(9520-0002-008F) Matrix Spike (MS) 1201210048 Laboratory Control Sample (LCS)

SOP Reference Procedure for preparation, analysis and reporting of analytical data are controlled by General Engineering Laboratories, LLC as Standard Operating Procedure (SOP). The data discussed in this narrative has been analyzed in accordance with GL-RAD-A-01 1 REV# 14.

Calibration Information:

Calibration Information All initial and continuing calibration requirements have been met.

Standards Information Standard solution(s) for these, analyses are NIST traceable and used before the expiration date(s).

Sample Geometry All counting sources were prepared in the same geometry as the calibration standards.

Quality Control (QC) Information:

Blank Information The blank volume is representative of the sample volume in this batch.

Designated QC The following sample was used for QC: 174224006 (9520-0002-008F).

QC Information All of the QC samples met the required acceptance limits.

14

Technical Information:

Holding Time All sample procedures for this sample set were performed within the required holding time.

Preparation Information All preparation criteria have been met for these analyses.

Sample Re-prep/Re-analysis None of the samples in this sample set required reprep or reanalysis.

Miscellaneous Information:

NCR Documentation Nonconformance reports are generated to document any procedural anomalies that may deviate from referenced SOP or contractual documents. The following NCR was generated for this SDG:

NCR 374219 was generated due to Container scanning event for custody missed. 1. The analyst did not scan the samples into the batch prior to analysis, however the samples did remain in their custody at all times. The error has been corrected and the analyst has been instructed on proper scanning procedures. 1. Reporting results.

Manual Integration No manual integrations were performed on data in this batch.

Additional Comments Additional comments were not required for this sample set.

Qualifier information Manual qualifiers were not required.

Method/Analysis Information Product: Liquid Scint Pu241, Solid-ALL FSS Analytical Method: DOE EML HASL-300, Pu-I 1-RC Modified Prep Method: Ash Soil Prep Dry Soil Prep GL-RAD-A-021 Method: Dry Soil Prep Analytical Batch Number: 580400 Prep Batch Number: 580482 Dry Soil Prep GL-RAD-A-021 Batch Number: 580480 15

Sample ID Client ID 174346016 9520-0004-011F 174346017 9520-0004-014F 1201210053 Method Blank (MB) 1201210054 174224006(9520-0002-008F) Sample Duplicate (DUP) 1201210055 174224006(9520-0002-008F) Matrix Spike (MS) 1201210056 Laboratory Control Sample (LCS)

SOP Reference Procedure for preparation, analysis and reporting of analytical data are controlled by General Engineering Laboratories, LLC as Standard Operating Procedure (SOP). The data discussed in this narrative has been analyzed in accordance with GL-RAD-A-035 REV# 8.

Calibration Information:

Calibration Information All initial and continuing calibration requirements have been met.

Standards Information Standard solution(s) for these analyses are NIST traceable and used before the expiration date(s).

Sample Geometry All counting sources were prepared in the same geometry as the calibration standards.

Quality Control (OC) Information:

Blank Information The blank volume is representative of the sample volume in this batch.

Designated QC The following sample was used for QC: 174224006 (9520-0002-008F).

QC Information All of the QC samples met the required acceptance limits.

Technical Information:

Holding Time All sample procedures for this sample set were performed within the required holding time.

Preparation Information All preparation criteria have been met for these analyses.

Sample Re-prep/Re-analysis None of the samples in this sample set required reprep or reanalysis.

Miscellaneous Information:

NCR Documentation Nonconformance reports are generated to document any procedural anomalies that may deviate from 16

referenced SOP or contractual documents. The following NCR was generated for this SDG:

NCR 374454 was generated due to Container scanning event for custody missed. 1. Samples 174346 016,017 were scanned. There is an error with AlphaLIMS making it appear that they were not. 1.

Reporting results and investigating cause of error.

Manual Integration No manual integrations were performed on data in this batch.

Additional Comments Additional comments were not required for this sample set.

Qualifier information Manual qualifiers were not required.

Method/Analysis Information Product: Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Analytical Method: EML HASL 300, 4.5.2.3 Prep Method: Dry Soil Prep Analytical Batch Number: 581675 Prep Batch Number: 580480 17

Sample ID Client ID 174346001 9520-0004-001F 174346002 9520-0004-002F 174346003 9520-0004-003F 174346004 9520-0004-004F 174346005 9520-0004-004FS 174346006 9520-0004-005F 174346007 9520-0004-006F 174346008 9520-0004-007F 174346009 9520-0004-008F 174346010 9520-0004-009F 174346011 9520-0004-01 OF 174346012 9520-0004-012F 174346013 9520-0004-012FS 174346014 9520-0004-013F 174346015 9520-0004-015F 174346016 9520-0004-01 IF 174346017 9520-0004-014F 1201213157 Method Blank (MB) 1201213158 174346001(9520-0004-001F) Sample Duplicate (DUP) 1201213159 Laboratory Control Sample (LCS)

SOP Reference Procedure for preparation, analysis and reporting of analytical data are controlled by General Engineering Laboratories, LLC as Standard Operating Procedure (SOP). The data discussed in this narrative has been analyzed in accordance with GL-RAD-A-013 REV# 13.

Calibration Information:

Calibration Information All initial and continuing calibration requirements have been met.

Standards Information Standard solution(s) for these analyses are NIST traceable and used before the expiration date(s).

Sample Geometry All counting sources were prepared in the same geometry as the calibration standards.

Quality Control (QC) Information:

Blank Information The blank volume is representative of the sample volume in this batch.

Designated QC The following sample was used for QC: 174346001 (9520-0004-00IF).

QC Information All of the QC samples met the required acceptance limits.

18

Technical Information:

Holding Time All sample procedures for this sample set were performed within the required holding time.

Preparation Information All preparation criteria have been met for these analyses.

Sample Re-prep/Re-analysis None of the samples in this sample set required reprep or reanalysis.

Miscellaneous Information:

NCR Documentation Nonconformance reports are generated to document any procedural anomalies that may deviate from referenced SOP or contractual documents. A nonconformance report (NCR) was not generated for this SDG.

Additional Comments Additional comments were not required for this sample set.

Qualifier information Qualifier Reason Analyte Sample U' Data rejected due to high counting uncertainty. Bismuth-212 174346013 Potassium-40 1201213157 UI Data rejected due to interference. Cesium- 134 174346008 Europium- 155 174346016 UI Data rejected due to low abundance. Cesium- 134 174346001 174346002 174346003.

174346009 174346011 174346014 174346015 Method/Analysis Information 19

Product: GFPC, Sr90, solid-ALL FSS Analytical Method: EPA 905.0 Modified Prep Method: Ash Soil Prep Dry Soil Prep GL-RAD-A-021 Method: Dry Soil Prep Analytical Batch Number: 580488 Prep Batch Number: 580482 Dry Soil Prep GL-RAD-A-021 Batch Number: 580480 Sample ID Client ID 174346016 9520-0004-011F 174346017 9520-0004-014F 1201210298 Method Blank (MB) 1201210299 174224006(9520-0002-008F) Sample Duplicate (DUP) 1201210300 174224006(9520-0002-008F) Matrix Spike (MS) 1201210301 Laboratory Control Sample (LCS)

SOP Reference Procedure for preparation, analysis and reporting of analytical data are controlled by General Engineering Laboratories, LLC as Standard Operating Procedure (SOP). The data discussed in this narrative has been analyzed in accordance with GL-RAD-A-004 REV# 10.

Calibration Information:

Calibration Information All initial and continuing calibration requirements have been met.

Standards Information Standard solution(s) for these analyses are NIST traceable and used before the expiration date(s).

Sample Geometry All counting sources were prepared in the same geometry as the calibration standards.

Quality Control (OC) Information:

Blank Information The blank volume is representative of the sample volume in this batch.

Designated QC The following sample was used for QC: 174224006 (9520-0002-008F).

QC Information All of the QC samples met the required acceptance limits.

20

Technical Information:

Holding Time All sample procedures for this sample set were performed within the required holding time.

Preparation Information All preparation criteria have been met for these analyses.

Sample Re-prep/Re-analysis Sample 1201210299 (9520-0002-008F) was recounted due to high MDA.

Chemical Recoveries All chemical recoveries meet the required acceptance limits for this sample set.

Miscellaneous Information:

NCR Documentation Nonconformance reports are generated to document any procedural anomalies that may deviate from referenced SOP or contractual documents. The following NCR was generated for this SDG:

NCR 375263 was generated due to Container scanning event for custody missed. 1. Samples 174346016 and 174346017 were scanned into the batch prior to analysis, but the event did not save due to a computer network error. Custody of the samples was maintained at all times. 1. Reporting results.

Additional Comments Additional comments were not required for this sample set.

Qualifier information Manual qualifiers were not required.

Method/Analysis Information Product: Liquid Scint Tc99, Solid-ALL FSS Analytical Method: DOE EML HASL-300, Tc-02-RC Modified Analytical Batch Number: 580727 Sample ID Client ID 174346016 9520-0004-01 IF 174346017 9520-0004-014F 1201210846 Method Blank (MB) 1201210847 174346016(9520-0004-01 IF) Sample Duplicate (DUP) 1201210848 174346016(9520-0004-01 IF) Matrix Spike (MS) 1201210849 Laboratory Control Sample (LCS) 21

SOP Reference Procedure for preparation, analysis and reporting of analytical data are controlled by General Engineering Laboratories, LLC as Standard Operating Procedure (SOP). The data discussed in this narrative has been analyzed in accordance with GL-RAD-A-005 REV# 13.

Calibration Information:

Calibration Information All initial and continuing calibration requirements have been met.

Standards Information Standard solution(s) for these analyses are NIST traceable and used before the expiration date(s).

Sample Geometry All counting sources were prepared in the same geometry as the calibration standards.

Quality Control (QC) Information:

Blank Information The blank volume is representative of the sample volume in this batch.

Designated QC The following sample was used for QC: 174346016 (9520-0004-01 IF).

QC Information All of the QC samples met the required acceptance limits.

Technical Information:

Holding Time All sample procedures for this sample set were performed within the required holding time.

Preparation Information All preparation criteria have been met for these analyses.

Sample Re-prep/Re-analysis None of the samples in this sample set required reprep or reanalysis.

Miscellaneous Information:

NCR Documentation Nonconformance reports are generated to document any procedural anomalies that may deviate from referenced SOP or contractual documents. The following NCR was generated for this SDG:

NCR 375329 was generated due to Container scanning event for custody missed. 1. The analyst did not scan the samples 174346016 and 174346017 into the batch prior to analysis, however the samples did remain in their custody at all times. 1. The error has been corrected and the analyst has been instructed on the proper scanning procedures. Reporting results.

Additional Comments Additional comments were not required for this sample set.

22

Qualifier information Manual qualifiers were not required.

Method/Analysis Information Product: Liquid Scint Fe55, Solid-ALL FSS Analytical Method: DOE RESL Fe-1. Modified Prep Method: Ash Soil Prep Dry Soil Prep GL-RAD-A-021 Method: Dry Soil Prep Analytical Batch Number: 580395 Prep Batch Number: 580482 Dry Soil Prep GL-RAD-A-021 Batch Number: 580480 Sample ID Client ID 174346016 9520-0004-01 IF 174346017 9520-0004-014F 1201210033 Method Blank (MB) 1201210034 174224006(9520-0002-008F) Sample Duplicate (DUP) 1201210035 174224006(9520-0002-008F) Matrix Spike (MS) 1201210036 Laboratory Control Sample (LCS)

SOP Reference Procedure for preparation, analysis and reporting of analytical data are controlled by General Engineering Laboratories, LLC as Standard Operating Procedure (SOP). The data discussed in this narrative has been analyzed in accordance with GL-RAD-A-040 REV# 3.

Calibration Information:

Calibration Information All initial and continuing calibration requirements have been met.

Standards Information Standard solution(s) for these analyses are NIST traceable and used before the expiration date(s).

Sample Geometry All counting sources were prepared in the same geometry as the calibration standards.

Quality Control (00 Information:

Blank Information The blank volume is representative of the sample volume in this batch.

23

Designated QC The following sample was used for QC: 174224006 (9520-0002-008F).

QC Information All of the QC samples met the required acceptance limits.

Technical Information:

Holding Time All sample procedures for this sample set were performed within the required holding time.

Preparation Information All preparation criteria have been met for these analyses.

Sample Re-prep/Re-analysis None of the samples in this sample set required reprep or reanalysis.

Miscellaneous Information:

NCR Documentation Nonconformance reports are generated to document any procedural anomalies that may deviate from referenced SOP or contractual documents. A nonconformance report (NCR) was not generated for this SDG.

Additional Comments Additional comments were not required for this sample set.

Qualifier information Manual qualifiers were not required.

Method/Analysis Information Product: Liquid Scint Ni63, Solid-ALL FSS Analytical Method: DOE RESL Ni- 1, Modified Prep Method: Ash Soil Prep Dry Soil Prep GL-RAD-A-021 Method: Dry Soil Prep Analytical Batch Number: 580397 Prep Batch Number: 580482 Dry Soil Prep GL-RAD-A-021 Batch Number: 580480 24

Sample ID Client ID 174346016 9520-0004-01 IF 174346017 9520-0004-014F 1201210041 Method Blank (MB) 1201210042 174224021(9520-0002-015F) Sample Duplicate (DUP) 1201210043 174224021(9520-0002-015F) Matrix Spike (MS) 1201210044 Laboratory Control Sample (LCS)

SOP Reference Procedure for preparation, analysis and reporting of analytical data are controlled by General Engineering Laboratories, LLC as Standard Operating Procedure (SOP). The data discussed in this narrative has been analyzed in accordance with GL-RAD-A-022 REV# 8.

Calibration Information:

Calibration Information All initial and continuing calibration requirements have been met.

Standards Information Standard solution(s) for these analyses are NIST traceable and used before the expiration date(s).

Sample Geometry All counting sources were prepared in the same geometry as the calibration standards.

Quality Control (QC) Information:

Blank Information The blank volume is representative of the sample volume in this batch.

Designated QC The following sample was used for QC: 174224021 (9520-0002-015F).

QC Information All of the QC samples met the required acceptance limits.

Technical Information:

Holding Time All sample procedures for this sample set were performed within the required holding time.

Preparation Information All preparation criteria have been met for these analyses.

Sample Re-prep/Re-analysis None of the samples in this sample set required reprep or reanalysis.

Miscellaneous Information:

NCR Documentation Nonconformance reports are generated to document any procedural anomalies that may deviate from 25

referenced SOP or contractual documents. A nonconformance report (NCR) was not generated for this SDG.

Additional Comments Additional comments were not required for this sample set.

Qualifier information Manual qualifiers were not required.

Method/Analysis Information Product: LSC, Tritium Dist, Solid-HTD2,ALL FSS Analytical Method: EPA 906.0 Modified Analytical Batch Number: 580729 Sample ID, Client ID 174346016 9520-0004-01 IF 174346017 9520-0004-014F 1201210854 Method Blank (MB) 1201210855 174346016(9520-0004-01 IF) Sample Duplicate (DUP) 1201210856 174346016(9520-0004-01 IF) Matrix Spike (MS) 1201210857 Laboratory Control Sample (LCS)

SOP Reference Procedure for preparation, analysis and reporting of analytical data are controlled by General Engineering Laboratories, LLC as Standard Operating Procedure (SOP). The data discussed in this narrative has been analyzed in accordance with GL-RAD-A-002 REV# 13.

Calibration Information:

Calibration Information All initial and continuing calibration requirements have been met.

Standards Information Standard solution(s) for these analyses are NIST traceable and used before the expiration date(s).

Sample Geometry All counting sources were prepared in the same geometry as the calibration standards.

Quality Control (0C) Information:

Blank Information The blank volume is representative of the sample volumes in this batch.

26

Designated QC The following sample was used for QC: 174346016 (9520-0004-01 IF).

QC Information All of the QC samples met the required acceptance limits.

Technical Information:

Holding Time All sample procedures for this sample set were performed within the required holding time.

Preparation Information All preparation criteria have been met for these analyses.

Sample Re-prep/Re-analysis Samples were recounted due to low/high recovery.

Miscellaneous Information:

NCR Documentation Nonconformance reports are generated to document any procedural anomalies that may deviate from referenced SOP or contractual documents. A nonconformance report (NCR) was not generated for this SDG.

Additional Comments Additional comments were not required for this sample set.

Gualifier information Manual qualifiers were not required.

Method/Analysis Information Product: Liquid Scint C14, Solid All,FSS Analytical Method: EPA EERF C-01 Modified Analytical Batch Number: 580730 Sample ID Client ID 174346016 9520-0004-01 IF 174346017 9520-0004-014F 1201210858 Method Blank (MB) 1201210859 174346016(9520-0004-01 IF) Sample Duplicate (DUP) 1201210860 174346016(9520-0004-01 IF) Matrix Spike (MS) 1201210861 Laboratory Control Sample (LCS) 27

SOP Reference Procedure for preparation, analysis and reporting of analytical data are controlled by General Engineering Laboratories, LLC as Standard Operating Procedure (SOP). The data discussed in this narrative has been analyzed in accordance with GL-RAD-A-003 REV# 8.

Calibration Information:

Calibration Information All initial and continuing calibration requirements have been met.

Standards Information Standard solution(s) for these analyses are NIST traceable and used before the expiration date(s).

Sample Geometry All counting sources were prepared in the same geometry as the calibration standards.

Quality Control (00 Information:

Blank Information The blank volume is representative of the sample volume in this batch.

Designated QC The following sample was used for QC: 174346016 (9520-0004-01 IF).

QC Information All of the QC samples met the required acceptance limits.

Technical Information:

Holding Time All sample procedures for this sample set were performed within the required holding time.

Preparation Information All preparation criteria have been met for these analyses.

Sample Re-prep/Re-analysis None of the samples in this sample set required reprep or reanalysis.

Miscellaneous Information:

NCR Documentation Nonconformance reports are generated to document any procedural anomalies that may deviate from referenced SOP or contractual documents. A nonconformance report (NCR) was not generated for this SDG.

Additional Comments Additional comments were not required for this sample set.

28

Qualifier information Manual qualifiers were not required.

Certification Statement Where the analytical method has been performed under NELAP certification, the analysis has met all of the requirements of the NELAC standard unless otherwise noted in the analytical case narrative.

Review Validation:

GEL requires all analytical data to be verified by a qualified data validator. In addition, all data designated for CLP or CLP-like packaging will receive a third level validation upon completion of the data package.

The following data validator verified the information presented in this case narrative:

I90ý4s Reviewer/Date: KAaA-29

General Engineering Laboratories NCR Report No.: 374219 Form GEL-NCR Revision No.: 1 Rev. 06/05 COMPANY - WIDE NONCONFORMANCE REPORT Mo.Day Yr. Division: Quality Criteria: Type:

21 -OCT-06 Radiochemistry Specifications Process Instrument Type: Test / Method: Matrix Type: Client Code:

ALPHA SPECTROMETER DOE EML HASL-300, Pu-i 1-RC Solid YANK Modified Batch ID: Sample Numbers:

580398 See Below Potentially affected work order(s)(SDG): 174224(MSR#06-1371),174228(MSR#06-1370),174346(MSR#06-1375)

Application Issues:

Container scanning event for custody missed Specification and Requirements NRG Disposition:

Nonconformance

Description:

1. The analyst did not scan the samples into the batch prior to analysis, 1. Reporting results.

however the samples did remain in their custody at all times. The error has been corrected and the analyst has been instructed on proper scanning procedures.

Originator's Name: Data Validator/Group Leader:

Eric Brimstin 21-OCT-06 Lesley Anderson 22-OCT-06 Quality Review:

Director:

Page 1 30

General Engineering Laboratories NCR Report No.: 374454 Form GEL-NCR Revision No.:

Rev. 06/05 COMPANY - WIDE NONCONFORMANCE REPORT Mo.Day Yr. Division: Quality Criteria: Type:

23-OCT-06 Radiochemistry Specifications Process Instrument Type: Test / Method: Matrix Type: Client Code:

LSC DOE EML HASL-300, Pu-11 -RC Solid YANK Movf*_ *d Batch ID: Sample Numbers:

580400 See Below Potentially affected work order(s)(SDG): 174224(MSR#06-1371),174228(MSR#06-1370),174346(MSR#06-1375)

Application Issues:

Container scanning event for custody missed Specification and Requirements NRG Disposition:

Nonconformance

Description:

1. Samples 174346 016,017 were scanned. There is an error with 1. Reporting results and investigating cause of error.

AlphaLIMS making it appear that they were not.

Originator's Name: Data Validator/Group Leader:

Amy Scott 23-OCT-06 Lesley Anderson 23-OCT-06 Quality Review:

Director:

Page 1 31

General Engineering Laboratories NCR Report No.: 374838 Form GEL-NCR Revision No.:

Rev. 06/05 COMPANY - WIDE NONCONFORMANCE REPORT Mo.Day Yr. Division: Quality Criteria: Type:

23-OCT-06 Radiochemistry Specifications Process Instrument Type: Test I Method: Matrix Type: Client Code:

ALPHA SPECTROMETER DOE EML HASL-300, Am-05-RC Solid YANK Modified Batch ID: Sample Numbers:

580396 See Below Potentially affected work order(s)(SDG): 174224(MSR#06-1371 ),174228(MSR#06-1370),174346(MSR#06-1375)

Application Issues:

Container scanning event for custody missed Specification and Requirements NRG Disposition:

Nonconformance

Description:

1. The analyst did not scan the samples into the batch prior to analysis, 1. Reporting results.

however the samples did remain in their custody at all times. The error has been corrected and the analyst has been instructed on proper scanning procedures.

Originator's Name: Data Validator/Group Leader:

Jessica Downey 23-OCT-06 Melanie Aycock 24-OCT-06 Quality Review:

Director:

Page 1 32

General Engineering Laboratories NCR Report No.: 375263 Form GEL-NCR Revision No.: 1 Rev. 06/05 COMPANY - WIDE NONCONFORMANCE REPORT Mo.Day Yr. Division: Quality Criteria: Type:

24-OCT-06 Radiochemistry Specifications Process Instrument Type: Test / Method: Matrix Type: Client Code:

GFPC EPA 905.0 Modified Solid YANK Batch ID: Sample Numbers:

580488 See Below Potentially affected work order(s)(SDG): 174224(MSR#06-1371),174346(MSR#06-1375)

Application Issues:

Container scanning event for custody missed Specification and Requirements NRG Disposition:

Nonconformance

Description:

1. Samples 174346016 and 174346017 were scanned into the batch prior 1. Reporting results.

to analysis, but the event did not save due to a computer network error.

Custody of the samples was maintained at all times.

Originator's Name: Data Validator/Group Leader:

John Parker 24-OCT-06 Lesley Anderson 25-OCT-06 Quality Review:

Director:

Page 1 33

General Engineering Laboratories NCR Report No.: 375329 Form GEL-NCR Revision No.:

Rev. 06/05 COMPANY - WIDE NONCONFORMANCE REPORT Mo.Day Yr. Division: Quality Criteria: Type:

24-OCT-06 Radiochemistry Specifications Process Instrument Type: Test / Method: Matrix Type: Client Code:

LSC DOE EML HASL-300, Tc-02-RC Solid YANK Modivfied Batch ID: Sample Numbers:

580727 See Below Potentially affected work order(s)(SDG): 174346(MSR#06-1375)

Application Issues:

Container scanning event for custody missed Specification and Requirements NRG Disposition:

Nonconformance

Description:

1. The analyst did not scan the samples 174346016 and 174346017 into 1. The error has been corrected and the analyst has been instructed on the batch prior to analysis, however the samples did remain in their the proper scanning procedures. Reporting results.

custody at all times.

Originator's Name: Data Validator/Group Leader:

Melanie Aycock 24-OCT-06 Lesley Anderson 25-OCT-06 Quality Review:

Director:

Page 1 34

SAMPLE DATA

SUMMARY

35

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Report for YANKOOI Connecticut Yankee Atomic Power Co.

Client SDG: MSR#06-1375 GEL Work Order: 174346 The Qualifiers in this report are defined as follows:

A quality control analyte recovery is outside of specified acceptance criteria

- Analyte is a surrogate compound U Analyte was analyzed for, but not detected above the MDL, MDA, or LOD.

UI Gamma Spectroscopy--Uncertain identification ND The analyte concentration is not detected above the detection limit.

The above sample is reported on a dry weight basis except where prohibited by the analytical procedure.

Where the analytical method has been performed under NELAP certification, the analysis has met all of the requirements of the NELAC standard unless qualified on the Certificate of Analysis.

This data report has been prepared and reviewed in accordance with General Engineering Laboratories, LLC standard operating procedures. Please direct any questions to your Project Manager, Cheryl Jones.

Reviewed by 36

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com oi~rffirifdat t~tk L~kt.~Ut.

nf A "chi SL XA~A cic VJ.L Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-00IF Project: YANK01204 Sample ID: 174346001 Client ID: YANKOOI Matrix: Soil Vol. Recv.:

Collect Date: 13-OCT-06 Receive Date: 18-OCT-06 Collector: Client Moisture: 7.09%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.739 +/-0.156 0.0576 +/-0.156 0.122 pCi/g MJHI 10/25/06 0558 581675 1 Americium-241 U -0.00139 +/-0.0236 0.0218 +/-0.0236 0.0449 pCi/g Bismuth-212 0.368 +/-0.265 0.125 +/-0.265 0.263 pCi/g Bismuth-214 0.442 +/-0.0807 0.0313 +/-0.0807 0.0656 pCi/g Cesium-134 UI 0.00 +/-0.0441 0.0205 +/-0.0441 0.043 pCi/g Cesium-137 U 0.0319 +/-0.0333 0.0169 +/-0.0333 0.0355 pCi/g Cobalt-60 U -0.00636 +/-0.0198 0.0162 +/-0.0198 0.035 pCi/g Europium-152 U 0.00386 +/-0.0449 0.0394 +/-0.0449 0.082 pCi/g Europium-154 U 0.0267 +/-0.0569 0.0505 +/-0.0569 0.108 pCi/g Europium-155 U 0.0194 +/-0.0412 0.0371 +/-0.0412 0.0763 pCi/g Lead-212 0.412 +/-0.0541 0.0308 +/-0.0541 0.063 pCi/g Lead-214 0.499 +/-0.0827 0.0277 +/-0.0827 0.0577 pCi/g Manganese-54 U 0.00185 +/-0.0195 0.0166 +/-0.0195 0.0351 pCi/g Niobium-94 U -0.00452 +/-0.0184 0.0158 +/-0.0184 0.0331 pCi/g Potassium-40 6.70 +/-0.609 0.134 +/-0.609 0.295 pCi/g Radium-226 0.442 +/-0.0807 0.0313 +/-0.0807 0.0656 pCi/g Silver-108m U 0.00712 +/-0.0152 0.0142 +/-0.0152 0.0297 pCi/g Thallium-208 0.183 +/-0.0403 0.0157 +/-0.0403 0.033 pCi/g The following Prep Methods were performed Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 LXM2 10/18/06 1634 580480 The following Analytical Methods were performed Method Description I EML HASL 300,4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 37

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company : Connecticut Yankee Atomic Power Address 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-001F Project: YANK01204 Sample ID: 174346001 Client ID: YANK00I Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd

> Result is greater than value reported A The TIC is a suspected aldol-condensation product B Target analyte was detected in the associated blank BD Results are either below the MDC or tracer recovery is low C Analyte has been confirmed by GCCMS analysis D Results are reported from a diluted aliquot of the sample H Analytical holding time was exceeded

.J Value is estimated N/A Spike recovery limits do not apply. Sample concentration exceeds spike concentration by 4X or more R Sample results are rejected U Analyte was analyzed for, but not detected above the MDL, MDA, or LOD.

UI Gamma Spectroscopy--Uncertain identification X Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier Y QC Samples were not spiked with this compound A RPD of sample and duplicate evaluated using +/-RL. Concentrations are <5X the RL h Preparation or preservation holding time was exceeded The above sample is reported on a dry weight basis.

38

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-002F Project: YANK01204 Sample ID: 174346002 Client ID: YANK001 Matrix: Soil Vol. Recv.:

Collect Date: 13-OCT-06 Receive Date: 18-OCT-06 Collector: Client Moisture: 11.3%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.705 +/-0.115 0.0446 +/-0.115 0.0958 pCi/g MJHI 10/25/06 0558 581675 1 Americium-241 U -0.00449 +/-0.0191 0.0171 +/-0.0191 0.0351 pCi/g Bismuth-212 0.415 +/-0.202 0.0987 +/-0.202 0.210 pCi/g Bismuth-214 0.516 +/-0.0683 0.0233 +/-0.0683 0.0493 pCi/g Cesium-134 UI 0.00 +/-0.0252 0.0186 +/-0.0252 0.0392 pCi/g Cesium-137 0.0285 +/-0.0248 0.013 +/-0.0248 0.0277 pCi/g Cobalt-60 U 0.00116 +/-0.0165 0.014 +/-0.0165 0.0306 pCi/g Europium-152 U -0.0116 +/-0.0374 0.0316 +/-0.0374 0.0662 pCi/g Europium-154 U 0.0159 +/-0.0528 0.046 +/-0.0528 0.099 pCi/g Europium-155 U 0.0474 +/-0.0465 0.0285 +/-0.0465 0.0588 pCi/g Lead-212 0.602 +/-0.0423 0.0183 +/-0.0423 0.038 pCi/g Lead-214 0.514 +/-0.0599 0.0222 +/-0.0599 0.0465 pCi/g Manganese-54 U -0.0113 +/-0.0161 0.0128 +/-0.0161 0.0273 pCi/g Niobium-94 U -0.00754 +/-0.0148 0.0122 +/-0.0148 0.0259 pCi/g Potassium-40 10.1 +/-0.710 0.111 +/-0.710 0.248 pCi/g Radium-226 0.516 +/-0.0683 0.0233 +/-0.0683 0.0493 pCi/g Silver-108m U -0.0114 +/-0.0123 0.0105 +/-0.0123 0.0221 pCi/g Thallium-208 0.228 +/-0.0372 0.0121 +/-0.0372 0.0256 pCi/g The following Prep Methods were performed Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 LXM2 10/18/06 1634 580480 The following Analytical Methods were performed Method Description EML HASL 300, 4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 39

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-002F Proiect: YANK01204 Sample ID: 174346002 Client ID: YANK00I Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MEDA Units DF Analyst Date Time Batch Mtd

> Result is greater than value reported A The TIC is a suspected aldol-condensation product B Target analyte was detected in the associated blank BD Results are either below the MDC or tracer recovery is low C Analyte has been confirmed by GC/MS analysis D Results are reported from a diluted aliquot of the sample H Analytical holding time was exceeded J Value is estimated N/A Spike recovery limits do not apply. Sample concentration exceeds spike concentration by 4X or more R Sample results are rejected U Analyte was analyzed for, but not detected above the MDL, MDA, or LOD.

UI Gamma Spectroscopy--Uncertain identification X Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier Y QC Samples were not spiked with this. compound A RPD of sample and duplicate evaluated using +/-RL. Concentrations are <5X the RL h Preparation or preservation holding time was exceeded The above sample is reported on a dry weight basis.

40

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com V-rtifii-atip nf An]lv id

.L Company : Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-003F Project: YANK01204 Sample ID: 174346003 Client ID: YANK001 Matrix: Soil Vol. Recv.:

Collect Date: 13-OCT-06 Receive Date: 18-OCT-06 Collector: Client Moisture: 9.6%

Parameter Qualifier Result Uticertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.620 +/-0.118 0.0419 +/-0.118 0.0897 pCi/g MJHI 10/25/06 0559 581675 1 Americium-241 U 0.0292 +/-0.0425 0.0395 +/-0.0425 0.0813 pCi/g Bismuth-212 0.431 +/-0.219 0.0753 +/-0.219 0.162 pCi/g Bismuth-214 0.555 +/-0.075 0.0217 +/-0.075 0.0459 pCi/g Cesium- 134 UI 0.00 +/-0.0317 0.0166 +/-0.0317 0.0349 pCi/g Cesium-137 0.0394 +/-0.0234 0.0117 +/-0.0234 0.0248 pCi/g Cobalt-60 U 0:00486 +/-0.0149 0.0133 +/-0.0149 0.0288 pCi/g Europium-152 U -0.0173 +/-0.0331 0.0279 +/-0.0331 0.0587 pCi/g Europium-154 U 0.0481 -4/-0.0474 0.0375 +/-0.0474 0.0811 pCi/g Europium-155 U 0.0561 +/-0.0466 0.0327 +/-0.0466 0.0675 pCi/g Lead-212 0.686 +/-0.0666 0.0192 +/-0.0666 0.0396 pCi/g Lead-214 0.586 4/-0.0796 0.0202 +/-0.0796 0.0424 pCi/g Manganese-54 U 0.010 +/-0.0147 0.0132 +/-0.0147 0.028 pCi/g Niobium-94 U 0.0064 4/:-0.0126 0.0114 +/-0.0126 0.0242 pCi/g Potassium-40 11.5 +/-0.967 0.0792 +/-0.967 0.181 pCi/g Radium-226 0.555 +/-0.075 0.0217 +/-0.075 0.0459 pCi/g Silver-108m U 0.000306 +/-0.011 0.0094 +/-0.011 0.0199 pCi/g Thallium-208 0.235 +/-0.0374 0.0116 +/-0.0374 0.0245 pCi/g The following Prep Methods were performed Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 LXM2 10/18/06 1634 580480 The following Analytical Methods were performed Method Description 1 EML HASL 300, 4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 41

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company Connecticut Yankee Atomic Power Address 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-003F Project: YANKO 1204 Sample ID: 174346003 ClientID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd

> Result is greater than value reported A The TIC is a suspected aldol-condensation product B Target analyte was detected in the associated blank BD Results are either below the MDC or tracer recovery is low C Analyte has been confirmed by GC/MS analysis D Results are reported from a diluted aliquot of the sample H Analytical holding time was exceeded J Value is estimated N/A Spike recovery limits do not apply. Sample concentration exceeds spike concentration by 4X or more R Sample results are rejected U Analyte was analyzed for, but not detected above the MDL, MDA, or LOD.

UI Gamma Spectroscopy--Uncertain identification X Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier Y QC Samples were not spiked with this compound A RPD of sample and duplicate evaluated using +/-RL. Concentrations are <5X the RL h Preparation or preservation holding time was exceeded The above sample is reported on a dry weight basis.

42

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-004F Project: YANK01204 Sample ID: 174346004 Client ID: YANK001 Matrix: Soil Vol. Recv.:

Collect Date: 13-OCT-06 Receive Date: 18-OCT-06 Collector: Client Moisture: 10.8%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.788 +/-0.149 0.0662 +/-0.149 0.142 pCi/g MJHI 10/25/06 0559 581675 1 Americium-241 U -0.00523 +/-0.0272 0.0257 +/-0.0272 0.0527 pCi/g Bismuth-212 0.768 +/-0.257 0.135 +/-0.257 0.288 pCi/g Bismuth-214 0.618 +/-0.104 0.0335 +/-0.104 0.0709 pCi/g Cesium- 134 U 0.0503 +/-0.0402 0.0243 +/-0.0402 0.0512 pCi/g Cesium- 137 0.0592 +/-0.0259 0.0175 +/-0.0259 0.0373 pCi/g Cobalt-60 U 0.00448 +/-0.0223 0.0194 +/-0.0223 0.0423 pCi/g Europium- 152 U 0.0389 +/-0.0493 0.0464 +/-0.0493 0.0969 pCi/g Europium- 154 U 0.00465 +/-0.0747 0.064 +/-0.0747 0.138 pCi/g Europium- 155 U -0.0157 +/-0.0502 0.0407 +/-0.0502 0.0839 pCi/g Lead-212 0.715 +/-0.053 0.0232 +/-0.053 0.0483 pCi/g Lead-214 0.634 +/-0.0789 0.0302 +/-0.0789 0.0633 pCi/g Manganese-54 U 0.00405 +/-0.021 0.0179 +/-0.021 0.0383 pCi/g Niobium-94 U -0.0127 +/-0.0199 0.0161 +/-0.0199 0.0343 pCi/g Potassium-40 12.0 +/-0.844 0.137 +/-0.844 0.310 pCi/g Radium-226 0.618 +/-0.104 0.0335 +/-0.104 0.0709 pCi/g Silver- 108m U -0.00335 +/-0.0201 0.0155 +/-0.0201 0.0327 pCi/g Thallium-208 0.187 +/-0.0449 0.0199 +/-0.0449 0.0418 pCi/g The following Prep Methods were performed Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 LXM2 10/18/06 1634 580480 The following Analytical Methods were performed Method Description 1 EML HASL 300, 4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 43

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company Connecticut Yankee Atomic Power Address 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-004F Project: YANKO 1204 Sample ID: 174346004 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier *Result Uncertainty LC TPU MD)A Units DF Analyst Date Time Batch Mtd

> Result is greater than value reported A The TIC is a suspected aldol-condensation product B Target analyte was detected in the associated blank BD Results are either below the MDC or tracer recovery is low C Analyte has been confirmed by GC/MS analysis D Results are reported from a diluted aliquot of the sample H Analytical holding time was exceeded J Value is estimated N/A Spike recovery limits do not apply. Sample concentration exceeds spike concentration by 4X or more R Sample results are rejected U Analyte was analyzed for, but not detected above the MDL, MDA, or LOD.

UI Gamma Spectroscopy--Uncertain identification X Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier Y QC Samples were not spiked with this compound A RPD of sample and duplicate evaluated using +/-RL. Concentrations are <5X the RL h Preparation or preservation holding time was exceeded The above sample is reported on a dry weight basis.

44

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-004FS Proiect: YANK01204 Sample ID: 174346005 Client ID: YANK001 Matrix: Soil Vol. Recv.:

Collect Date: 13-OCT-06 Receive Date: 18-OCT-06 Collector: Client Moisture: 10.4%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.768 +/-0.154 0.0486 +/-0.154 0.0971 pCi/g MJHI 10/25/06 0615 581675 1 Americium-241 U 0.0871 +/-0.0747 0.0616 +/-0.0747 0.123 pCi/g Bismuth-212 0.296 +/-0.241 0.103 +/-0.241 0.206 pCi/g Bismuth-214 0.563 +/-0.0819 0.0277 +/-0.0819 0.0553 pCi/g Cesium-134 U 0.0308 +/-0.0227 0.0178 +/-0.0227 0.0356 pCi/g Cesium-137 U 0.0276 +/-0.0305 0.0154 +/-0.0305 0.0308 pCi/g Cobalt-60 U -0.0166 +/-0.0205 0.0145 +/-0.0205 0.029 pCi/g Europium-152 U 0.0267 +/-0.0737 0.0404 +/-0.0737 0.0808 pCi/g Europium-154 U -0.0305 +/-0.0534 0.0431 +/-0.0534 0.0861 pCi/g Europium-155 U 0.0289 +/-0.0567 0.0429 +/-0.0567 0.0857 pCi/g Lead-212 0.656 +/-0.0732 0.0228 +/-0.0732 0.0456 pCi/g Lead-214 0.574 +/-0.0867 0.028 +/-0.0867 0.0559 pCi/g Manganese-54 U 0.00962 +/-0.0179 0.0163 +/-0.0179 0.0326 pCi/g Niobium-94 U 0.0124 +/-0.0154 0.0138 +/-0.0154 0.0276 pCi/g Potassium-40 11.8 +/-0.986 0.124 +/-0.986 0.247 pCi/g Radium-226 0.563 +/-0.0819 0.0277 +/-0.0819 0.0553 pCi/g Silver-108m U 0.00248 +/-0.0173 0.0134 +/-0.0173 0.0268 pCi/g Thallium-208 0.253 +/-0.0365 0.0129 +/-0.0365 0.0258 pCi/g The following Prep Methods were performed Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 LXM2 10/18/06 1634 580480 The following Analytical Methods were performed Method Description I EML HASL 300, 4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 45

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-004FS Project: YANK01204 Sample ID: 174346005 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd

> Result is greater than value reported A The TIC is a suspected aldol-condensation product B Target analyte was detected in the associated blank BD Results are either below the MDC or tracer recovery is low C Analyte has been confirmed by GC/MS analysis D Results are reported from a diluted aliquot of the sample H Analytical holding time was exceeded J Value is estimated N/A Spike recovery limits do not apply. Sample concentration exceeds spike concentration by 4X or more R Sample results are rejected U Analyte was analyzed for, but not detected above the MDL, MDA, or LOD.

UI Gamma Spectroscopy--Uncertain identification X Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier Y QC Samples were not spiked with this compound A RPD of sample and duplicate evaluated using +/-RL. Concentrations are <5X the RL h Preparation or preservation holding time was exceeded The above sample is reported on a dry weight basis.

46

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-00Q4-005F Proiect: YANK01204 Sample ID: 174346006 Client ID: YANK001 Matrix: Soil Vol. Recv.:

Collect Date: 13-OCT-06 Receive Date: 18-OCT-06 Collector: Client Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.583 +/-0.159 0.0558 +/-0.159 0.112 pCi/g MJHI 10/25/06 0617 581675 1 Americium-241 U 0.0239 +/-0.0257 0.0216 +/-0.0257 0.0431 pCi/g B ismuth-212 0.516 +/-0.216 0.135 +/-0.216 0.269 pCi/g Bismuth-214 0.346 +/-0.0895 0.0284 +/-0.0895 0.0568 pCi/g Cesium- 134 U 0.0141 +/-0.021 0.0194 +/-0.021 0.0389 pCi/g Cesium- 137 0.0315 +/-0.0271 0.014 +/-0.0271 0.0279 pCi/g Cobalt-60 U -0.00296 +/-0.0225 0.0185 +/-0.0225 0.037 pCi/g Europium- 152 U -0.0245 +/-0.0611 0.0392 +/-0.0611 0.0784 pCi/g Europium- 154 U -0.00234 +/-0.0554 0.0463 +/-0.0554 0.0925 pCi/g Europium-155 U -0.00765 +/-0.0393 0.0349 +/-0.0393 0.0698 pCi/g Lead-212 0.415 +/-0.0569 0.0226 +/-0.0569 .0.0451 pCi/g Lead-214 0.394 +/-0.0777 0.0289 +/-0.0777 0.0577 pCi/g Manganese-54 U -0.00317 +/-0.0198 0.017 +/-0.0198 0.034 pCi/g Niobium-94 U -0.00408 +/-0.0183 0.0159 +/-0.0183 0.0317 pCi/g Potassium-40 5.67 +/-0.740 0.186 +/-0.740 0.371 pCi/g Radium-226 0.346 +/-0.0895 0.0284 +/-0.0895 0.0568 pCi/g Silver-108m U -0.0201 +/-0.0177 0.0143 +/-0.0177 0.0285 pCi/g Thallium-208 0.134 +/-0.0452 0.017 +/-0.0452 0.0341 pCi/g The following Prep Methods were performed Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 LXM2 10/18/06 1634 580480 The following Analytical Methods were performed Method Description I EML HASL 300, 4.5.2.3 Notes:

The Qualifiers in this report are defined as follows

A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 47

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-005F Project: YANK01204 Sample ID: 174346006 Client ID: YANKOO Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd

> Result is greater than value reported A The TIC is a suspected aldol-condensation product B Target analyte was detected in the associated blank BD Results are either below the MDC or tracer recovery is low C Analyte has been confirmed by GC/MS analysis D Results are reported from a diluted aliquot of the sample H Analytical holding time was exceeded J Value is estimated N/A Spike recovery limits do not apply. Sample concentration exceeds spike concentration by 4X or more R Sample results are rejected U Analyte was analyzed for, but not detected above the MDL, MDA, or LOD.

UI Gamma Spectroscopy--Uncertain identification X Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier Y QC Samples were not spiked with this compound A RPD of sample and duplicate evaluated using +/-RL. Concentrations are <5X the RL h Preparation or preservation holding time was exceeded The above sample is reported on a dry weight basis.

48

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company : Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-006F Project: YANK01204 Sample ID: 174346007 Client ID: YANK001 Matrix: Soil Vol. Recv.:

Collect Date: 13-OCT-06 Receive Date: 18-OCT-06 Collector: Client Moisture: 6.74%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.201 +/-0.111 0.0431 +/-0.111 0.0945 pCi/g MJH1 10/25/06 1008 581675 1 Americium-241 U 0.0098 +/-0.018 0.0172 +/-0.018 0.0356 pCi/g Bismuth-212 0.400 +/-0.208 0.104 +/-0.208 0.225 pCi/g Bismuth-214 0.172 +/-0.0787 0.0267 +/-0.0787 0.0568 pCi/g Cesium-134 U 0.0225 +/-0.0168 0.016 +/-0.0168 0.0345 pCi/g Cesium-137 U -0.00959 +/-0.0156 0.0126 +/-0.0156 0.0273 pCi/g Cobalt-60 U 0.0128 +/-0.0173 0.016 +/-0.0173 0.0352 pCi/g Europium-152 U -0.0385 +/-0.0352 0.0295 +/-0.0352 0.0627 pCi/g Europium-154 U 0.000208 +/-0.040 0.0342 +/-0.040 0.077 pCi/g Europium-155 U 0.0122 +/-0.0329 0.0305 +/-0.0329 0.0632 pCi/g Lead-212 0.290 +/-0.045 0.0214 +/-0.045 0.0444 pCi/g Lead-214 0.295 +/-0.0602 0.0236 +/-0.0602 0.0499 pCi/g Manganese-54 U -0.009 +/-0.0145 0.0113 +/-0.0145 0.0248 pCi/g Niobium-94 U -0.00189 +/-0.0142 0.012 +/-0.0142 0.0257 pCi/g Potassium-40 5.07 +/-0.565 0.117 +/-0.565 0.265 pCi/g Radium-226 0.172 +/-0.0787 0.0267 +/-0.0787 0.0568 pCi/g Silver-108m U 0.00924 +/-0.0133 0.0123 +/-0.0133 0.0261 pCi/g Thallium-208 0.0915 +/-0.0285 0.0142 +/-0.0285 0.0303 pCi/g The following Prep Methods were performed Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 LXM2 10/18/06 1634 580480 The following Analytical Methods were performed Method Description I EML HASL 300, 4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 49

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company Connecticut Yankee Atomic Power Address 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-006F Proiect: YANK01204 Sample ID: 174346007 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd

> Result is greater than value reported A The TIC is a suspected aldol-condensation product B Target analyte was detected in the associated blank BD Results are either below the MDC or tracer recovery is low C Analyte has been confirmed by GC/MS analysis D Results are reported from a diluted aliquot of the sample H Analytical holding time was exceeded J Value is estimated N/A Spike recovery limits do not apply. Sample concentration exceeds spike concentration by 4X or more R Sample results are rejected U Analyte was analyzed for, but not detected above the MDL, MDA, or LOD.

UI Gamma Spectroscopy--Uncertain identification X Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier Y QC Samples were not spiked with this compound A RPD of sample and duplicate evaluated using +/-RL. Concentrations are <5X the RL h Preparation or preservation holding time was exceeded The above sample is reported on a dry weight basis.

50

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Val-firild-ato nr t't. .ALt.At ~A A~R~R

£ Ina] VJ.Cie b

Company: Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-007F Project: YANK01204 Sample ID: 174346008 Client ID: YANK001 Matrix: Soil Vol. Recv.:

Collect Date: 13-OCT-06 Receive Date: 18-OCT-06 Collector: Client Moisture: 6.68%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.594 +/-0.155 0.052 +/-0.155 0.113 pCi/g MJH1 10/25/06 1009 581675 1 Americium-241 U -0.0438 F/-0.0864 0.0676 +/-0.0864 0.140 pCi/g Bismuth-212 0.308 +/-0.213 0.104 +/-0.213 0.226 pCi/g Bismuth-214 0.482 F/-0.0862 0.0298 +/-0.0862 0.0632 pCi/g Cesium-134 UI 0.00 F/-0.0298 0.0158 +/-0.0298 0.0341 pCi/g Cesium-137 U 0.0322 F/-0.0276 0.0159 +/-0.0276 0.0339 pCi/g Cobalt-60 0.0742 F/-0.0396 0.0139 +/-0.0396 0.0311 pCi/g Europium-152 U -0.0126 F/-0.0541 0.0457 +/-0.0541 0.0955 pCi/g Europium- 154 U 0.0227 F/-0.0514 0.0465 +/-0.0514 0.102 pCi/g Europium-155 U 0.0643 -F/-0.0718 0.0408 +/-0.0718 0.0845 pCi/g Lead-212 0.534 +/-0.0555 0.0265 +/-0.0555 0.0548 pCi/g Lead-214 0.515 +/-0.0809 0.0308 +/-0.0809 0.0646 pCi/g Manganese-54 U 0.00797 +/-0.0188 0.0165 +/-0.0188 0.0353 pCi/g Niobium-94 U 0.00862 +/-0.0173 0.0155 +/-0.0173 0.0329 pCi/g Potassium-40 8.81 +/-0.744 0.158 +/-0.744 0.350 pCi/g Radium-226 0.482 +/-0.0862 0.0298 +/-0.0862 0.0632 pCi/g Silver-108m U 0.0158 +/-0.0164 0.0147 +/-0.0164 0.031 pCi/g Thallium-208 0.194 +/-0.0365 0.0149 +/-0.0365 0.0317 pCi/g The following Prep Methods were performed Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 LXM2 10/18/06 1634 580480 The following Analytical Methods were performed Method Description I EML HASL 300, 4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 51

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-007F Project: YANKO 1204 Sample ID: 174346008 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd

> Result is greater than value reported A The TIC is a suspected aldol-condensation product B Target analyte was detected in the associated blank BD Results are either below the MDC or tracer recovery is low C Analyte has been confirmed by GC/MS analysis D Results are reported from a diluted aliquot of the sample H Analytical holding time was exceeded J Value is estimated N/A Spike recovery limits do not apply. Sample concentration exceeds spike concentration by 4X or more R Sample results are rejected U Analyte was analyzed for, but not detected above the MDL, MDA, or LOD.

UI Gamma Spectroscopy--Uncertain identification X Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier Y QC Samples were not spiked with this compound A RPD of sample and duplicate evaluated using +/-RL. Concentrations are <5X the RL h Preparation or preservation holding time was exceeded The above sample is reported on a dry weight basis.

52

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-008F Proiect: YANK01204 Sample ID: 174346009 Client ID: YANK001 Matrix: Soil Vol. Recv.:

Collect Date: 13-OCT-06 Receive Date: 18-OCT-06 Collector: Client Moisture: 9.52%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.682 +/-0.113 0.0383 +/-0.113 0.0834 pCi/g MJH1 10/25/06 1010 581675 1 Americium-241 U 0.0423 +/-0.0766 0.064 +/-0.0766 0.132 pCi/g Bismuth-212 0.247 +/-0.169 0.112 +/-0.169 0.237 pCi/g Bismuth-214 0.536 +/-0.0639 0.0236 +/-0.0639 0.0502 pCi/g Cesium- 134 UI 0.00 +/-0.0246 0.0153 +/-0.0246 0.0327 pCi/g Cesium- 137 0.052 +/-0.0256 0.0141 +/-0.0256 0.0299 pCi/g Cobalt-60 U 0.000583 +/-0.0157 0.0134 +/-0.0157 0.0295 pCi/g Europium-152 U -0.0226 +/-0.0399 0.0331 +/-0.0399 0.0693 pCi/g Europium-154 U 0.00152 +/-0.0502 0.0375 +/-0.0502 0.0822 pCi/g Europium-155 U 0.0216 +/-0.0431 0.0414 +/-0.0431 0.0853 pCi/g Lead-212 0.661 +/-0.046 0.0186 +1-0.046 0.0387 pCi/g Lead-214 0.647 +/-0.0698 0.0252 +/-0.0698 0.0527 pCi/g Manganese-54 U 0.00618 +/-0.0161 0.0141 +/-0.0161 0.030 pCi/g Niobium-94 U 0.00581 +/-0.0143 0.0128 +/-0.0143 0.027 pCi/g Potassium-40 10.2 +/-0.674 0.104 +/-0.674 0.234 pCi/g Radium-226 0.536 +/-0.0639 0.0236 +/-0.0639 0.0502 pCi/g Silver-108m U 0.00526 +/-0.0129 0.0119 +/-0.0129 0.0251 pCi/g Thallium-208 0.240 +/-0.0343 0.0132 +/-0.0343 0.028 pCi/g The following Prep Methods were performed Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 LXM2 10/18/06 1634 580480 The following Analytical Methods were performed Method Description I EML HASL 300,4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 53

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-008F Project: YANK01204 Sample ID: 174346009 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd

> Result is greater than value reported A The TIC is a suspected aldol-condensation product B Target analyte was detected in the associated blank BD Results are either below the MDC or tracer recovery is low C Analyte has been confirmed by GC/MS analysis D Results are reported from a diluted aliquot of the sample H Analytical holding time was exceeded J Value is estimated N/A Spike recovery limits do not apply. Sample concentration exceeds spike concentration by 4X or more R Sample results are rejected U Analyte was analyzed for, but not detected above the MDL, MDA, or LOD.

UI Gamma Spectroscopy--Uncertain identification X Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier Y QC Samples were not spiked with this compound A RPD of sample and duplicate evaluated using +/-RL. Concentrations are <5X the RL h Preparation or preservation holding time was exceeded The above sample is reported on a dry weight basis.

54

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company : Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-009F Project: YANK01204 Sample ID: 174346010 Client ID: YANK001 Matrix: Soil Vol. Recv.:

Collect Date: 13-OCT-06 Receive Date: 18-OCT-06 Collector: Client Moisture: 11.9%

Parameter Qualifier Result Uincertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.719 +/-0.130 0.0454 +/-0.130 0.0972 pCi/g MJH1 10/25/06 1011 581675 1 Americium-241 U 0.0133 +/-0.0632 0.061 +/-0.0632 0.126 pCi/g Bismuth-212 0.376 +/-0.187 0.0979 +/-0.187 0.208 pCi/g Bismuth-214 0.458 +/-0.0625 0.0257 +/-0.0625 0.054 pCi/g Cesium- 134 U 0.0229 +/-0.0199 0.0164 +/-0.0199 0.0346 pCi/g Cesium-137 0.0411 +/-0.0229 0.0117 +/-0.0229 0.0249 pCi/g Cobalt-60 U 0.00299 +/-0.0133 0.0116 +/-0.0133 0.0255 pCi/g Europium- 152 U -0.0231 +/-0.038 0.0335 +/-0.038 0.070 pCi/g Europium-154 U -0.0303 +/-0.0517 0.0414 +/-0.0517 0.0894 pCi/g Europium-155 U 0.0252 +/-0.0567 0.0397 +/-0.0567 0.0817 pCi/g Lead-212 0.619 +/-0.0481 0.0202 +/-0.0481 0.0418 pCi/g Lead-214 0.509 +/-0.0661 0.0261 +/-0.0661 0.0544 pCi/g Manganese-54 U 0.00382 +/-0.0145 0.0131 +/-0.0145 0.0279 pCi/g Niobium-94 U 0.0054 +/-0.0149 0.013 +/-0.0149 0.0274 pCi/g Potassium-40 10.4 +/-0.664 0.128 +/-0.664 0.281 pCi/g Radium-226 0.458 +/-0.0625 0.0257 +/-0.0625 0.054 pCi/g Silver-108m U-0.000387 +/-0.0132 0.0117 +/-0.0132 0.0246 pCi/g Thallium-208 0.205 +/-0.0331 0.0148 +/-0.0331 0.031 pCi/g The following Prep Methods were performed Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 LXM2 10/18/06 1634 580480 The following Analytical Methods were performed Method Description 1 EML HASL 300, 4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 55

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-009F Project: YANK01204 Sample ID: 174346010 Client ID: YANKOO1 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd

> Result is greater than value reported A The TIC is a suspected aldol-condensation product B Target analyte was detected in the associated blank BD Results are either below the MDC or tracer recovery is low C Analyte has been confirmed by GC/MS analysis D Results are reported from a diluted aliquot of the sample H Analytical holding time was exceeded J Value is estimated N/A Spike recovery limits do not apply. Sample concentration exceeds spike concentration by 4X or more R Sample results are rejected U Analyte was analyzed for, but not detected above the MDL, MDA, or LOD.

Ul Gamma Spectroscopy--Uncertain identification X Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier Y QC Samples were not spiked with this compound A RPD of sample and duplicate evaluated using +/-RL. Concentrations are <5X the RL h Preparation or preservation holding time was exceeded The above sample is reported on a dry weight basis.

56

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 -,(843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-010F Project: YANK01204 Sample ID: 174346011 Client ID: YANK001 Matrix: Soil Vol. Recv.:

Collect Date: 13-OCT-06 Receive Date: 18-OCT-06 Collector: Client Moisture: 10.5%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.655 +/-0.134 0.0451 +/-0.134 0.0968 pCi/g MJH1 10/25/06 1012 581675 1 Americium-241 U -0.0109 +/-0.115 0.0936 +/-0.115 0.192 pCi/g Bismuth-212 0.487 +/-0.196 0.112 +/-0.196 0.236 pCi/g Bismuth-214 0.609 +/-0.0907 0.0262 +/-0.0907 0.0552 pCi/g Cesium-134 UI 0.00 +/-0.0259 0.0175 +/-0.0259 0.037 pCi/g Cesium-137 0.0346 +/-0.0285 0.0148 +/-0.0285 0.0313 pCi/g Cobalt-60 U -0.0151 +/-0.0179 0.0142 +/-0.0179 0.0309 pCi/g Europium-152 U -0.0136 +/-0.0429 0.0372 +/-0.0429 0.0776 pCi/g Europium-154 U -0.0331 +/-0.0518 0.0423 +/-0.0518 0.0915 pCi/g Europium-155 U 0.0469 +/-0.0531 0.0486 +/-0.0531 0.0995 pCi/g Lead-212 0.685 +/-0.0727 0.0223 +/-0.0727 0.0461 pCi/g Lead-214 0.624 +/-0.0913 0.0264 +/-0.0913 0.0551 pCi/g Manganese-54 U 0.0222 +/-0.0232 0.0144 +/-0.0232 0.0306 pCi/g Niobium-94 U 0.0081 +/-0.0151 0.0137 +1-0.0151 0.0289 pCi/g Potassium-40 11.2 +/-1.03 0.119 +/-1.03 0.264 pCi/g Radium-226 0.609 +/-0.0907 0.0262 +/-0.0907 0.0552 pCi/g Silver-108m U 0.00352 +/-0.0145 0.0127 +/-0.0145 0.0266 pCi/g Thallium-208 0.236 +/-0.0392 0.0139 +/-0.0392 0.0294 pCi/g The following Prep Methods were performed Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 LXM2 10/18/06 1634 580480 The following Analytical Methods were performed Method Description EML HASL 300, 4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 57

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company Connecticut Yankee Atomic Power Address 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-010F Project: YANK01204 Sample ID: 174346011 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd

> Result is greater than value reported A The TIC is a suspected aldol-condensation product B Target analyte was detected in the associated blank BD Results are either below the MDC or tracer recovery is low C Analyte has been confirmed by GC/MS analysis D Results are reported from a diluted aliquot of the sample H Analytical holding time was exceeded J Value is estimated N/A Spike recovery limits do not apply. Sample concentration exceeds spike concentration by 4X or more R Sample results are rejected U Analyte was analyzed for, but not detected above the MDL, MDA, or LOD.

UI Gamma Spectroscopy--Uncertain identification X Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier Y QC Samples were not spiked with this compound A RPD of sample and duplicate evaluated using +/-RL. Concentrations are <5X the RL h Preparation or preservation holding time was exceeded The above sample is reported on a dry weight basis.

58

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-012F Proiect: YANK01204 Sample ID: 174346012 Client ID: YANK001 Matrix: Soil Vol. Recv.:

Collect Date: 13-OCT-06 Receive Date: 18-OCT-06 Collector: Client Moisture: 12.4%

Parameter Qualifier Result Ul ncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.744 +/-0.130 0.0557 +/-0.130 0.119 pCi/g MJH1 10/25/06 1013 581675 1 Americium-241 U -0.0169 -/-0.0928 0.0759 +/-0.0928 0.155 pCi/g Bismuth-212 0.601 +/-0.245 0.115 +/-0.245 0.245 pCilg Bismuth-214 0.509 -/-0.0855 0.0298 +/-0.0855 0.0626 pCi/g Cesium- 134 U 0.0405 -/-0.0248 0.0205 +/-0.0248 0.043 pCi/g Cesium-137 0.120 -/-0.0368 0.0168 +/-0.0368 0.0355 pCi/g Cobalt-60 U 0.00371 -/-0.0185 0.0156 +/-0.0185 0.0341 pCi/g Europium-152 U -0.00568 -/-0.0505 0.0431 +/-0.0505 0.0896 pCi/g Europium-154 U -0.00834 -/-0.0586 0.0479 +/-0.0586 0.104 pCi/g Europium-155 U 0.0318 --/-0.0533 0.0494 +/-0.0533 0.102 pCi/g Lead-212 0.820 -/-0.0556 0.026 +/-0.0556 0.0535 pCi/g Lead-214 0.560 -/-0.0789 0.0306 +/-0.0789 0.0638 pCi/g Manganese-54 U 0.00744 4-0.0165 0.0151 +/-0.0165 0.0321 pCi/g Niobium-94 U-0.000455 4-0.0164 0.0142 +/-0.0164 0.030 pCi/g Potassium-40 11.7 +/-0.752 0.127 +/-0.752 0.283 pCi/g Radium-226 0.509 4/-0.0855 0.0298 +/-0.0855 0.0626 pCi/g Silver-108m U -0.00461 4-0.0176 0.0146 +/-0.0176 0.0306 pCi/g Thallium-208 0.261 4-0.0365 0.0164 +/-0.0365 0.0345 pCi/g The following Prep Methods were performed Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 LXM2 10/18/06 1634 580480 The following Analytical Methods were performed Method Description 1 EML HASL 300,4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 59

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company Connecticut Yankee Atomic Power Address 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-012F Project: YANK01204 Sample ID: 174346012 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd

> Result is greater than value reported A The TIC is a suspected aldol-condensation product B Target analyte was detected in the associated blank BD Results are either below the MDC or tracer recovery is low C Analyte has been confirmed by GC/MS analysis D Results are reported from a diluted aliquot of the sample H Analytical holding time was exceeded J Value is estimated N/A Spike recovery limits do not apply. Sample concentration exceeds spike concentration by 4X or more R Sample results are rejected U Analyte was analyzed for, but not detected above the MDL, MDA, or LOD.

UI Gamma Spectroscopy--Uncertain identification X Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier Y QC Samples were not spiked with this compound A RPD of sample and duplicate evaluated using +/-RL. Concentrations are <5X the RL h Preparation or preservation holding time was exceeded The above sample is reported on a dry weight basis.

60

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-012FS Project: YANK01204 Sample ID: 174346013 Client ID: YANK001 Matrix: Soil Vol. Recv.:

Collect Date: 13-OCT-06 Receive Date: 18-OCT-06 Collector: Client Moisture: 14.3%

Parameter ( )ualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.813 +/-0.208 0.0841 +/-0.208 0.179 pCi/g MJH1 10/25/06 1014 581675 1 Americium-241 U 0.0152 +/-0.0441 0.0316 +/-0.0441 0.0648 pCi/g Bismuth-212 UI 0.00 +/-0.409 0.188 +/-0.409 0.396 pCi/g Bismuth-214 0.589 +/-0.114 0.0456 +/-0.114 0.0957 pCi/g Cesium- 134 U 0.0308 +/-0.0368 0.0319 +/-0.0368 0.0669 pCi/g Cesium- 137 0.155 +/-0.0471 0.028 +/-0.0471 0.0585 pCi/g Cobalt-60 U 0.00188 +/-0.0314 0.0261 +/-0.0314 0.0562 pCi/g Europium- 152 U 0.0408 +/-0.0718 0.0608 +/-0.0718 0.127 pCi/g Europium-154 U 0.0205 +/-0.0863 0.0733 +/-0.0863 0.158 pCi/g Europium- 155 U 0.0557 +/-0.0623 0.0523 +/-0.0623 0.108 pCi/g Lead-212 0.670 +/-0.0889 0.0425 +/-0.0889 0.0871 pCi/g Lead-214 0.609 +/-0.107 0.0439 +/-0.107 0.0913 pCi/g Manganese-54 U 0.0278 +/-0.0302 0.0264 +/-0.0302 0.0555 pCi/g Niobium-94 U -0.0271 +/-0.0286 0.0223 +/-0.0286 0.047 pCi/g Potassium-40 12.6 +/-0.969 0.234 +/-0.969 0.509 pCi/g Radium-226 0.589 +/-0.114 0.0456 +/-0.114 0.0957 pCi/g Silver-108m U -0.00641 +/-0.0239 0.0204 +/-0.0239 0.0427 pCi/g Thallium-208 0.285 +/-0.0664 0.0231 +/-0.0664 0.0486 pCi/g The following Prep Methods were performed Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 LXM2 10/18/06 1634 580480 The following Analytical Methods were performed Method Description 1 .EML HASL 300, 4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 61

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-012FS Proiect: YANK01204 Sample ID: 174346013 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date TimeBatch Mtd

> Result is greater than value reported A The TIC is a suspected aldol-condensation product B Target analyte was detected in the associated blank BD Results are either below the MDC or tracer recovery is low C Analyte has been confirmed by GC/MS analysis D Results are reported from a diluted aliquot of the sample H Analytical holding time was exceeded J Value is estimated N/A Spike recovery limits do not apply. Sample concentration exceeds spike concentration by 4X or more R Sample results are rejected U Analyte was analyzed for, but not detected above the MDL, MDA, or LOD.

UI Gamma Spectroscopy--Uncertain identification X Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier Y QC Samples were not spiked with this compound A RPD of sample and duplicate evaluated using +/-RL. Concentrations are <5X the RL h Preparation or preservation holding time was exceeded The above sample is reported on a dry weight basis.

62

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company : Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-013F Project: YANK01204 Sample ID: 174346014 Client ID: YANK001 Matrix: Soil Vol. Recv.:

Collect Date: 13-OCT-06 Receive Date: 18-OCT-06 Collector: Client Moisture: 12.4%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.794 +/-0.135 0.0528 +/-0.135 0.112 pci/g MJH1 10/25/06 1015 581675 1 Americium-241 U 0.00918 +/-0.0219 0.0199 +/-0.0219 0.0407 pCi/g Bismuth-212 0.739 +/-0.260 0.103 +/-0.260 0.218 pCi/g Bismuth-214 0.671 +/-0.070 0.0241 +/-0.070 0.051 pCi/g Cesium-134 UI 0.00 +/-0.0267 0.0196 +/-0.0267 0.0411 pCi/g Cesium-137 0.0737 +/-0.0222 0.014 +/-0.0222 0.0296 pCi/g Cobalt-60 U 0.00633 +/-0.0186 0.0162 +/-0.0186 0.035 pCi/g Europium-152 U 0.00313 +/-0.0424 0.0365 +/-0.0424 0.0759 pCi/g Europium-154 U -0.00984 +/-0.0545 0.0453 +/-0.0545 0.0976 pCi/g Europium-155 U 0.0304 +/-0.0325 0.0318 +/-0.0325 0.0653 pCi/g Lead-212 0.798 +/-0.046 0.018 +/-0.046 0.0373 pCi/g Lead-214 0.734 +/-0.0676 0.0241 +/-0.0676 0.0504 pCi/g Manganese-54 U 0.00425 +/-0.0163 0.014 +/-0.0163 0.0298 pCi/g Niobium-94 U -0.00114 +/-0.015 0.0128 +/-0.015 0.0271 pCi/g Potassium-40 12.4 +/-0.735 0.119 +/-0.735 0.265 pCi/g Radium-226 0.671 +/-0.070 0.0241 +/-0.070 0.051 pCi/g Silver-108m U 0.0115 +/-0.0131 0.0116 +/-0.0131 0.0244 pCi/g Thallium-208 0.265 +/-0.0356 0.0129 +/-0.0356 0.0273 pCi/g The following Prep Methods were performed Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 LXM2 10/18/06 1634 580480 The following Analytical Methods were performed Method Description I EML HASL 300, 4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 63

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-013F Proiect: YANK01204 Sample ID: 174346014 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd

> Result is greater than value reported A The TIC is a suspected aldol-condensation product B Target analyte was detected in the associated blank BD Results are either below the MDC or tracer recovery is low C Analyte has been confirmed by GC/MS analysis D Results are reported from a diluted aliquot of the sample H Analytical holding time was exceeded J Value is estimated N/A Spike recovery limits do not apply. Sample concentration exceeds spike concentration by 4X or more R Sample results are rejected U Analyte was analyzed for, but not detected above the MDL, MDA, or LOD.

UI Gamma Spectroscopy--Uncertain identification X Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier Y QC Samples were not spiked with this compound A RPD of sample and duplicate evaluated using +/-RL. Concentrations are <5X the RL h Preparation or preservation holding time was exceeded The above sample is reported on a dry weight basis.

64

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company : Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-015F Project: YANK01204 Sample ID: 174346015 Client ID: YANK001 Matrix: Soil Vol. Recv.:

Collect Date: 13-OCT-06 Receive Date: 18-OCT-06 Collector: Client Moisture: 11%

Parameter Qualifier Result Uticertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Rad Gamma Spec Analysis Gamma,Solid-FSS GAM &ALL FSS 226 Ingrowth Waived Actinium-228 0.622 +/-0.132 0.043 +/-0.132 0.092 pCi/g MJH1 10/25/06 1016 581675 1 Americium-241 U -0.0107 +/-0.046 0.0409 +/-0.046 0.0841 pCi/g Bismuth-212 0.410 +/-0.233 0.0902 +/-0.233 0.192 pCi/g Bismuth-214 0.620 +/-0.0854 0.0219 +/-0.0854 0.0463 pCi/g Cesium-134 UI 0.00 k/-0.0291 0.018 +/-0.0291 0.0378 pCi/g Cesium-137 0.0571 +/-0.0242 0.0118 +/-0.0242 0.025 pCi/g Cobalt-60 U 0.00144 +/-0.0144 0.0125 +/-0.0144 0.0273 pCi/g Europium-152 U -0.00125 +/-0.0358 0.0311 +/-0.0358 0.0651 pCi/g Europium-154 U 0.0208 +/-0.044 0.0397 +/-0.044 0.0856 pCi/g Europium-155 U 0.0414 +/-0.039 0.0351 +/-0.039 0.0723 pCi/g Lead-212 0.791 /4-0.0746 0.0177 +/-0.0746 0.0367 pCi/g Lead-214 0.618 k/-0.0803 0.0218 +/-0.0803 0.0457 pCi/g Manganese-54 U -0.01 k/-0.0152 0.0124 +/-0.0152 0.0263 pCi/g Niobium-94 U 0.00883 k/-0.0161 0.0117 +/-0.0161 0.0247 pCi/g Potassium-40 11.3 +/-0.949 0.113 +/-0.949 0.248 pCi/g Radium-226 0.620 k/-0.0854 0.0219 +/-0.0854 0.0463 pCi/g Silver-108m U 0.00184 F/-0.0127 0.0109 +/-0.0127 0.023 pCi/g Thallium-208 0.221 F/-0.0376 0.0119 +/-0.0376 0.0252 pCi/g The following Prep Methods were performed Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 LXM2 10/18/06 1634 580480 The following Analytical Methods were performed Method Description EML HASL 300, 4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 65

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-015F Proiect: YANK01204 Sample ID: 174346015 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd

> Result is greater than value reported A The TIC is a suspected aldol-condensation product B Target analyte was detected in the associated blank BD Results are either below the MDC or tracer recovery is low C Analyte has been confirmed by GC/MS analysis D Results are reported from a diluted aliquot of the sample H Analytical holding time was exceeded J Value is estimated N/A Spike recovery limits do not apply. Sample concentration exceeds spike concentration by 4X or more R Sample results are rejected U Analyte was analyzed for, but not detected above the MDL, MDA, or LOD.

UI Gamma Spectroscopy--Uncertain identification X Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier Y QC Samples were not spiked with this compound A RPD of sample and duplicate evaluated using +/-RL. Concentrations are <5X the RL h Preparation or preservation holding time was exceeded The above sample is reported on a dry weight basis.

66

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company : Connecticut Yankee Atomic Power Address 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-011F Proiect: YANK01204 Sample ID: 174346016 Client ID: YANK001 Matrix: Soil Vol. Recv.:

Collect Date: 13-OCT-06 Receive Date: 18-OCT-06 Collector: Client Moisture: 12.7%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Rad Alpha Spec Analysis Alphaspec Am241, Cm, Solid ALL FSS Americium-241 U -0.00633 +/-0.0183 0.0276 +/-0.0183 0.139 pCi/g MXA 10/23/06 1039 580396 1 M

Curium-242 U 0.00 +/-0.063 0.00 +/-0.063 0.0871 pCi/g Curium-243/244 U -0.0148 +/-0.0637 0.039 +/-0.0637 0.161 pCi/g Alphaspec Pu, Solid-ALL FSS Plutonium-238 U -0.0277 +/-0.0713 0.0763 +/-0.0713 0.234 pCi/g MXA 10/20/06 0813 580398 3 I

Plutonium-239/240 U -0.065 +/-0.0424 0.081 +/-0.043 0.243 pCi/g Liquid Scint Pu241, Solid-ALL FSS Plutonium-241 U -4.84 +/-6.28 5.48 +/-6.28 11.5 pCi/g MXA 10/21/06 1753 580400 4 I

Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.656 +/-0.161 0.0626 +/-0.161 0.134 pCi/g MJH1 10/25/06 1017 581675 5 Americium-241 U 0.00419 +/-0.0293 0.0256 +/-0.0293 0.0526 pCi/g Bismuth-212 0.534 +/-0.200 0.135 +/-0.200 0.286 pCi/g Bismuth-214 0.611 +/-0.0923 0.0305 +/-0.0923 0.0645 pCi/g Cesium- 134 U 0.0223 +/-0.033 0.022 +/-0.033 0.0465 pCi/g Cesium-137 0.0569 +/-0.0404 0.0184 +/-0.0404 0.0388 pCi/g Cobalt-60 U 0.00854 +/-0.021 0.0187 +/-0.021 0.0406 pCi/g Europium- 152 U 0.00571 +/-0.0432 0.0399 +/-0.0432 0.0835 pCi/g Europium- 154 U -0.0175 +/-0.0617 0.0512 +/-0.0617 0.111 pCi/g Europium- 155 UI 0.00 +/-0.0582 0.0377 +/-0.0582 0.0776 pCi/g Lead-212 0.723 +/-0.0499 0.0213 +/-0.0499 0.0442 pCi/g Lead-214 0.566 +/-0.0755 0.0309 +/-0.0755 0.0644 pCi/g Manganese-54 U 0.0103 +/-0.0203 0.0179 +/-0.0203 0.0381 pCi/g Niobium-94 U 0.00709 +/-0.0197 0.0174 +/-0.0197 0.0366 pCi/g Potassium-40 11.1 +/-0.828 0.135 +/-0.828 0.303 pCi/g Radium-226 0.611 +/-0.0923 0.0305 +/-0.0923 0.0645 pCi/g Silver-108m U 0.00105 +/-0.016 0.0145 +/-0.016 0.0304 pCi/g Thallium-208 0.208 +/-0.0441 0.0179 +/-0.0441 0.0377 pCi/g Rad Gas Flow Proportional Counting GFPC,Sr90, solid-ALL FSS Strontium-90 U 0.00719 +/-0.020 0.0158 +/-0.020 0.0366 pCi/g KSD1 10/20/06 1940 580488 6 Rad Liquid Scintillation Analysis 67

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-01IF Proiect: YANK01204 Sample ID: 174346016 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Rad Liquid Scintillation Analysis LSC, Tritium Dist, Solid-HTD2,ALL FSS Tritium U 9.05 +/-6.30 4.74 +/-6.30 10.2 pCi/g DFAI 10/24/06 1251 580729 7 Liquid Scint C14, Solid All, FSS Carbon-14 U -0.0717 +/-0.110 0.0937 +/-0.110 0.191 pCi/g AXD2 10/20/06 0318 580730 9 Liquid Scint Fe55, Solid-ALL FSS Iron-55 U -8.85 +/-31.2 23.2 +/-31.2 48.8 pCi/g MXP1 10/23/06 0139 580395 10 Liquid Scint Ni63, Solid-ALL FSS Nickel-63 U -4.14 +/-13.7 11.7 +/-13.7 24.5 pCi/g MXPI 10/22/06 2125 580397 11 Liquid Scint Tc99, Solid-ALL FSS Technetium-99 U -0.146 +/-0.233 0.201 +/-0.233 0.418 pCi/g KXR1 10/24/06 1107 580727 12 The following Prep Methods were performed Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 LXM2 10/18/06 1634 580480 The following Analytical Methods were performed Method Description 1 DOE EML HASL-300, Am-05-RC Modified 2 DOE EML HASL-300, Am-05-RC Modified 3 DOE EML HASL-300, Pu-1 1-RC Modified 4 DOE EML HASL-300, Pu- 11-RC Modified 5 EML HASL 300, 4.5.2.3 6 EPA 905.0 Modified 7 EPA 906.0 Modified 8 EPA 906.0 Modified 9 EPA EERF C-0 1 Modified 10 DOE RESL Fe-I, Modified S1I DOE RESL Ni-I, Modified 12 DOE EML HASL-300, Tc-02-RC Modified Surrogate/Tracer recovery Test Recovery % Acceptable Limits Americium-243 Alphaspec Am241, Cm, Solid ALL 93 (15%-125%)

Plutonium-242 Alphaspec Pu, Solid-ALL FSS 102 (15%-125%)

Plutonium-241 Liquid Scint Pu241, Solid-ALL F5 98 (25%-125%)

68

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company : Connecticut Yankee Atomic Power Address 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-011F Proiect: YANK01204 Sample ID: 174346016 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Strontium-90 GFPC, Sr90, solid-ALL FSS 85 (25%-125%)

Carrier/Tracer Recovery GFPC, Sr90, solid-ALL FSS 85 (25%-125%)

Iron-55 Liquid Scint Fe55, Solid-ALL FS 61 (15%-125%)

Nickel-63 Liquid Scint Ni63, Solid-ALL FS 61 (25%-125%)

Carrier/Tracer Recovery Liquid Scint Ni63, Solid-ALL FS 61 (25%-125%)

Technetium-99 Liquid Scint Tc99, Solid-ALL FS 79 (15%-125%)

Carrier/Tracer Recovery Liquid Scint Tc99, Solid-ALL FS 79 (15%-125%)

Notes:

The Qualifiers in this report are defined as follows

A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported

> Result is greater than value reported A The TIC is a suspected aldol-condensation product B Target analyte was detected in the associated blank BD Results are either below the MDC or tracer recovery is low C Analyte has been confirmed by GC/MS analysis D Results are reported from a diluted aliquot of the sample H Analytical holding time was exceeded J Value is estimated N/A Spike recovery limits do not apply. Sample concentration exceeds spike concentration by 4X or more R Sample results are rejected U Analyte was analyzed for, but not detected above the MDL, MDA, or LOD.

UI Gamma Spectroscopy--Uncertain identification X Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier Y QC Samples were not spiked with this compound A RPD of sample and duplicate evaluated using +/-RL. Concentrations are <5X the RL h Preparation or preservation holding time was exceeded The above sample is reported on a dry weight basis.

69

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company : Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-014F Project: YANKO1204 Sample ID: 174346017 Client ID: YANK001 Matrix: Soil Vol. Recv.:

Collect Date: 13-OCT-06 Receive Date: 18-OCT-06 Collector: Client Moisture: 9.82%

Parameter Qualifier Result Uncertainty LC TPU MIDA Units DF Analyst Date Time Batch Mtd Rad Alpha Spec Analysis Alphaspec Am241, Cm, Solid ALL FSS Americium-241 U 0.123 +/-0.161 0.0922 +/-0.162 0.265 pCi/g MXA 10/20/06 0813 580396 1 M

Curium-242 U 0.00979 +/-0.0929 0.0726 +/-0.0929 0.228 pCi/g Curium-243/244 U -0.0463 +/-0.118 0.116 +/-0.118 0.312 pCi/g Alphaspec Pu, Solid-ALL FSS Plutonium-238 U 0.0173 +/-0.107 0.082 +/-0.107 0.242 pCi/g MXA 10/20/060813 580398 2 I

Plutonium-239/240 U 0.00231 +/-0.0889 0.0734 +/-0.0889 0.225 pCi/g

.Liquid Scint Pu241, Solid-ALL F Plutonium-241 U -5.17 +/-6.25 5.47 +/-6.25 11.5 pCi/g MXA 10/21/06 1809 580400 3 I

Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.783 +/-0.107 0.0339 +/-0.107 0.0717 pCi/g MJHI 10/25/06 1017 581675 4 Americium-241 U 0.0117 +/-0.0475 0.0455 +/-0.0475 0.0931 pCi/g Bismuth-212 0.426 +/-0.171 0.0788 +/-0.171 0.165 pCi/g Bismuth-214 0.558 +/-0.0582 0.0184 +/-0.0582 0.0384 pCi/g Cesium- 134 U 0.0239 +/-0.0146 0.0122 +/-0.0146 0.0255 pCi/g Cesium-137 0.0471 +/-0.0196 0.0104 +/-0.0196 0.0218 pCi/g Cobalt-60 U-0.000675 +/-0.0125 0.0104 +/-0.0125 0.0222 pCi/g Europium-152 U 0.00107 +/-0.0311 0.028 +/-0.0311 0.0581 pCi/g Europium-154 U -0.00476 +/-0.0315 0.026 +/-0.0315 0.056 pCi/g Europium-155 U-0.000381 +/-0.040 0.0367 +/-0.040 0.0752 pCi/g Lead-212 0.752 +/-0.0417 0.0166 +/-0.0417 0.0341 pCi/g Lead-214 0.631 +/-0.0656 0.020 +/-0.0656 0.0415 pCi/g Manganese-54 U 0.0126 +/-0.0154 0.0101 +/-0.0154 0.0213 pCi/g Niobium-94 U -0.00147 +/-0.0107 0.00942 +/-0.0107 0.0197 pCi/g Potassium-40 11.0 +/-0.543 0.0833 +/-0.543 0.181 pCi/g Radium-226 0.558 +/-0.0582 0.0184 +/-0.0582 0.0384 pCi/g Silver-108m U -0.00898 +/-0.0103 0.00867 +/-0.0103 0.0181 pCi/g Thallium-208 0.226 +/-0.0287 0.00984 +/-0.0287 0.0206 pCi/g Rad Gas Flow Proportional Counting GFPC,Sr90, solid-ALL FSS Strontium-90 U 0.0072 +/-0.0161 0.0123 +/-0.0161 0.0295 pCi/g KSD1 10/21/06 0850 580488 5 Rad Liquid Scintillation Analysis 70

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-014F Project: YANK01204 Sample ID: 174346017 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Rad Liquid Scintillation Analysis LSC, Tritium Dist, Solid-HTD2,ALL FSS Tritium U 9.45 +/-8.24 6.34 +/-8.24 13.6 pCi/g DFAI 10/24/06 1308 580729 6 Liquid Scint C14, Solid All,FSS Carbon-14 U -0.167 +/-0.111 0.0957 +/-0.111 0.195 pCi/g AXD2 10/20/06 0558 580730 8 Liquid Scint Fe55, Solid-ALL FSS Iron-55 U 20.9 +/-33.6 24.1 +/-33.7 50.6 pCi/g MXPI 10/23/06 0155 580395 9 Liquid Scint Ni63, Solid-ALL FSS Nickel-63 U -9.29 +/-8.76 7.77 +/-8.76 16.3 pCi/g MXP1 10/22/06 2141 580397 10 Liquid Scint Tc99, Solid-ALL FSS Technetium-99 U -0.0833 +/-0.253 0.215 +/-0.253 0.447 pCi/g KXR1 10/24/06 1123 580727 11 The following Prep Methods were performed Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 LXM2 10/18/06 1634 580480 The following Analytical Methods were performed Method Description I DOE EML HASL-300, Am-05-RC Modified 2 DOE EML HASL-300, Pu- I -RC Modified 3 DOE EML HASL-300, Pu- I -RC Modified 4 EML HASL 300,4.5.2.3 5 EPA 905.0 Modified 6 EPA 906.0 Modified 7 EPA 906.0 Modified 8 EPA EERF C-01 Modified 9 DOE RESL Fe-I, Modified 10 DOE RESL Ni-I, Modified 11 DOE EML HASL-300, Tc-02-RC Modified Surrogate/Tracer recovery Test Recovery % Acceptable Limits Americium-243 Alphaspec Am241, Cm, Solid ALL 91 (15%-125%)

Plutonium-242 Alphaspec Pu, Solid-ALL FSS 105 (15%-125%)

Plutonium-241 Liquid Scint Pu241, Solid-ALL FS 99 (25%-125%)

Strontium-90 GFPC, Sr90, solid-ALL FSS 88 (25%-125%)

71

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company Connecticut Yankee Atomic Power Address 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: October 26, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-014F Project: YANK01204 Sample ID: 174346017 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Carrier/Tracer Recovery GFPC, Sr90, solid-ALL FSS 88 (25%-125%)

Iron-55 Liquid Scint Fe55, Solid-ALL FS 57 (15%-125%)

Nickel-63 Liquid Scint Ni63, Solid-ALL FS 92 (25%-125%)

Carrier/Tracer Recovery Liquid Scint Ni63, Solid-ALL FS 92 (25%-125%)

Technetium-99 Liquid Scint Tc99, Solid-ALL FS 75 (15%-125%)

Carrier/Tracer Recovery Liquid Scint Tc99, Solid-ALL FS 75 (15%-125%)

Notes:

The Qualifiers in this report are defined as follows:

A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported

> Result is greater than value reported A The TIC is a suspected aldol-condensation product B Target analyte was detected in the associated blank BD Results are either below the MDC or tracer recovery is low C Analyte has been confirmed by GC/MS analysis D Results are reported from a diluted aliquot of the sample H Analytical holding time was exceeded J Value is estimated N/A Spike recovery limits do not apply. Sample concentration exceeds spike concentration by 4X or more R Sample results are rejected U Analyte was analyzed for, but not detected above the MDL, MDA, or LOD.

UI Gamma Spectroscopy--Uncertain identification X Consult Case Narrative, Data Siummary package, or Project Manager concerning this qualifier Y QC Samples were not spiked with this compound A RPD of sample and duplicate evaluated using +/-RL. Concentrations are <5X the RL h Preparation or preservation holding time was exceeded The above sample is reported on a dry weight basis.

72

QUALITY CONTROL DATA 1.

73

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Reuort Date: October 26, 2006 Client : Connecticut Yankee Atomic Power Page 1 of 9 362 Injun Hollow Rd East Hampton, Connecticut

Contact:

Mr. Jack McCarthy Workorder: 174346 Parmname NOM Sample Qual QC Units RPD % REC% Range AnIst Date Time Rad Alpha Spec Batch 580396 QC1201210038 174224006 DUP Americium-241 U -0.00901 U -0.0356 pCi/g 119 (0% - 100%) IXA1 10/20/06 08:13 Uncert: +/-0.0461 +/-0.035 TPU: +/-0.0461 +/-0.0352 Curium-242 U 0.00 U -0.0155 pCi/g 200 (0%- 100%)

Uncert: +/-0.0812 +/-0.0215 TPU: +/-0.0812 +/-0.0216 Curium-243/244 U 0.00 U -0.0556 pCi/g 200 (0%- 100%)

Uncert: +/-0.0764 +/-0.123 TPU: +/-0.0764 +/-0.123 QC1201210040 LCS Americium-241 2.72 2.33 PCi/g 86 (75%-125%) 10/20/06 08:13 Uncert: +/-0.266 TPU: +/-0.392 Curium-242 U 0.00823 pCi/g Uncert: +/-0.0232 TPU: +/-0.0232 Curium-243/244 3.27 3.55 pCilg 109 (75%-125%)

Uncert: +/-0.330 TPU: +/-0.549 QC1201210037 MB Americium-241 U 2.200E-05 pCi/g 10/20/06 08:13 Uncert: +/-0.0261 TPU: +/-0.0261 Curium-242 U 0.00 pCi/g Uncert: +/-0.0134 TPU: +/-0.0134 Curium-243/244 U -0.00919 pci/g Uncert: +/-0.0222 TPU: +/-0.0222 QC1201210039 174224006 MS Americium-241 13.3 U -0.00901 13.9 PCi/g 105 (75%-125%) 10/20/06 08:13 Uncert: +/-0.0461 +/- 1.44 TPU: +/-0.0461 +/-2.27 Curium-242 U 0.00 U 0.0808 pCi/g Uncert: +/-0.0812 +/-0.112 TPU: +/-0.0812 +/-0.112 Curium-243/244 16.1 U 0.00 18.4 pCi/g 114 (75%-125%)

Uncert: +/-0.0764 +/-1.66 TPU: +/-0.0764 +/-2.87 Batch 580398 QC1201210046 174224006 DUP Plutonium-238 U 0.00905 U 0.0116 pCi/g 25 (0% - 100%) vIXAI 10/20/06 08:13 74

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 174346 Page 2 of 9 Parmname NOM Sample Qual QC Units RPD % REC% Range AnIst Date Time Rad Alpha Spec Batch 580398 Uncert: +/-0.086 +/-0.121 TPU: +/-0.086 +/-0.121 Plutonium-239/240 U -0.0532 U 0.0814 pCi/g 955 (0%- 100%)

Uncert: +/-0.0721 +/-0.112 TPU: +/-0.0723 +/-0.112 QC1201210048 LCS Plutonium-238 U -0.00419 pCi/g (75%-125%) 10/20/06 08:13 Uncert: +/-0.0143 TPU: +/-0.0143 Plutonium-239/240 2.51 2.38 pCi/g 95 (75%-125%)

Uncert: +/-0.238 TPU: +/-0.332 QC1201210045 MB Plutonium-238 U -0.0118 pCi/g 10/20/06 08:13 Uncert: +/-0.018 TPU: +/-0.018 Plutonium-239/240 U -0.00516 pCi/g Uncert: +/-0.00584 TPU: +/-0.00586 QC1201210047 174224006 MS Plutonium-238 U 0.00905 U -0.0482 pCi/g (75%-1 25%)

Uncert: +/-0.086 +/-0.0653 TPU: +/-0.086 +/-0.0654 Plutonium-239/240 12.3 U -0.0532 15.4 pCi/g 125 (75%-125%)

Uncert: +/-0.0721 +/-1.23 TPU: +/-0.0723 +/-1.94 Batch 580400 QC1201210054 174224006 DUP Plutonium-241 U -4.06 U '1.47 pCi/g 0 (0%- 100%) vIXAI 10/21/06 18:42 Uncert: +/-7.84 +/-6.92 TPU: +/-7.84 +/-6.92 QC1201210056 LCS

.Plutonium-241 35.9 35.5 pCi/g 99 (75%-125%) 10/21/06 19:14 Uncert: +/-3.19 TPU: +/-4.69 QC1201210053 MB Plutonium-241 U -0.233 pCi/g 10/21/06 18:26 Uncert: +/-1.77 TPU: +/-1.77 QC1201210055 174224006 MS Plutonium-241 143 U -4.06 124 pCi/g 86 (75%-125%) 10/21/06 18:58 Uncert: +/-7.84 +/-11.4 TPU: +/-7.84 +/-16.4 Rad Gamma Spec Batch 581675 QC1201213158 174346001 DUP Actinium-228 0.739 0.528 pCi/g 33 (0% - 100%) MJHI 10/25/06 11:04 Uncert: +/-0.156 +/-0.123

+/-0.123 75

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.corn QC Summary Workorder: 174346 Page 3 of 9 Parmname NOM Sample Qual QC Units RPD% REC% Range AnIst Date Time Rad Gamma Spec Batch 581675 TPU: +/-0.156 Americium-241 u -0.00139 U 0.0268 pCi/g 222 (0%- 100%)

Uncert: +/-0.0236 +/-0.0262 TPU: +/-0.0236 +/-0.0262 Bismuth-212 0.368 0.431 pCi/g 16 (0% - 100%)

Uncert: +/-0.265 +/-0.250 TPU: +/-0.265 +/-0.250 Bismuth-214 0.442 0.468 pCi/g 6 (0%- 100%)

Uncert: +/-0.0807 +/-0.0892 TPU: +/-0.0807 +/-0.0892 Cesium- 134 Ul 0.00 U 0.0283 pCi/g 75 (0% - 100%)

Uncert: +/-0.0441 +/-0.0245 TPU: +/-0.0441 +/-0.0245 Cesium- 137 u 0.0319 0.0366 pCi/g 14 (0%- 100%)

Uncert: +/-0.0333 +/-0.0293 TPU: +/-0.0333 +/-0.0293 Cobalt-60 U -0.00636 U 0.020 pCi/g 387 (0%- 100%)

Uncert: +/-0.0198 +/-0.0248 TPU: +/-0.0198 +/-0.0248 Europium- 152 u 0.00386 U 0.00827 pCi/g 73 (0%- 100%)

Uncert: +/-0.0449 +/-0.0545 TPU: +/-0.0449 +/-0.0545 Europium-154 u 0.0267 U 0.0258 pCi/g 3 (0%- 100%)

Uncert: +/-0.0569 +/-0.0664 TPU: +/-0.0569 +/-0.0664 Europium- 155 u 0.0194 U 0.0266 pCi/g 31 (0%- 100%)

Uncert: +/-0.0412 +/-0.0399 TPU: +/-0.0412 +/-0.0399 Lead-212 0.412 0.485 pCi/g 16 (0%- 100%)

Uncert: +/-0.0541 +/-0.0603 TPU: +/-0.0541 +/-0.0603 Lead-214 0.499 0.530 pCi/g 6 (0%-20%)

Uncert: +/-0.0827 +/-0.0836 TPU: +/-0.0827 +/-0.0836 Manganese-54 U 0.00185 U 0.0212 pCi/g 168 (0%- 100%)

Uncert: +/-0.0195 +/-0.0239 TPU: +/-0.0195 +/-0.0239 Niobium-94 U -0.00452 U 0.0106 pCi/g 496 (0% - 100%)

Uncert: +/-0.0184 +/-0.0182 TPU: +/-0.0184 +/-0.0182 Potassium-40 6.70 7.13 pCi/g 6 (0%- 20%)

Uncert: +/-0.609 +/-0.710 TPU: +/-0.609 +/-0.710 Radium-226 0.442 0.468 pCi/g 6 (0%- 100%)

Uncert: +/-0.0807 +/-0.0892 TPU: +/-0.0807 +/-0.0892 Silver- 108m U 0.00712 U -0.00779 pCi/g 4430 (0% - 100%)

Uncert: +/-0.0152 +/-0.0154 76

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 174346 Page 4 of 9 Parmname NOM Sample Qual QC Units RPD% REC% Range AnIst Date Time Rad Gamma Spec Batch 581675 TPU: +/-0.0152 +/-0.0154 Thallium-208 0.183 0.186 pCi/g 2 (0% - 100%)

Uncert: +/-0.0403 +/-0.0412 TPU: +/-0.0403 +/-0.0412 QC 1201213159 LCS Actinium-228 U 0.743 pCi/g 10/25/06 07:15 Uncert: +/-0.554 TPU: +/-0.554 Americium-241 23.4 24.4 pCi/g 104 (75%-125%)

Uncert: +/-1.27 TPU: +/-1.27 Bismuth-212 U -0.111 pCi/g Uncert: +/-1.11 TPU: +/-1.11 Bismuth-214 U 0.247 pCi/g Uncert: +/-0.204 TPU: +/-0.204 Cesium- 134 U 0.0584 pCi/g Uncert: +/-0.143 TPU: +/-0.143 Cesium- 137 9.55 9.67 pCi/g 101 (75%-125%)

Uncert: +/-0.437 TPU: +/-0.437 Cobalt-60 14.2 14.6 pCi/g 102 (75%-125%)

Uncert: +/-0.633 TPU: +/-0.633 Europium- 152 U 0.219 pCi/g Uncert: +/-0.293 TPU: +/-0.293 Europium- 154 U -0.0828 pCi/g Uncert: +/-0.303 TPU: +/-0.303 Europium- 155 U 0.164 pCi/g Uncert: +/-0.307 TPU: +/-0.307 Lead-212 U 0.0745 pCi/g Uncert: +/-0.163 TPU: +/-0.163 Lead-214 U 0.247 pCi/g Uncert: +/-0.350 TPU: +/-0.350 Manganese-54 U 0.00541 pCi/g Uncert: +/-0.137 TPU: +/-0.137 Niobium-94 U -0.0757 pCi/g Uncert: +/-0.111 TPU: +/-0.111 Potassium-40 U -0.178 pCi/g 77

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 174346 Page 5 of 9 Parmname NOM Sample Qual QC Units RPD% REC% Range AnIst Date Timee Rad Gamma Spec Batch 581675 Uncert: +/-0.986 TPU: +/-0.986 Radium-226 U 0.247 pCi/g (75%-125%)

Uncert: +/-0.204 TPU: +/-0.204 Silver- 108m U 0.0371 pCi/g Uncert: +/-0.113 TPU: +/-0.113 Thallium-208 U 0.0403 pCi/g Uncert: +/-0.114 TPU: +/-0.114 QC1201213157 MB Actinium-228 U 0.0547 pCi/g 10/25/06 10:33 Uncert: +/-0.0339 TPU: +/-0.0339 Americium-241 U 0.035 pCi/g Uncert: +/-0.0503 TPU: +/-0.0503 Bismuth-212 U 0.0861 pCi/g Uncert: +/-0.0721 TPU: +/-0.0721 Bismuth-214 U 0.0234 pCi/g Uncert: +/-0.0389 TPU: +/-0.0389 Cesium- 134 U 0.00174 pCi/g Uncert: +/-0.00859 TPU: +/-0.00859 Cesium- 137 U -0.00489 pCi/g Uncert: +/-0.00879 TPU: +/-0.00879 Cobalt-60 U -0.00292 pCi/g Uncert: +/-0.00844 TPU: +/-0.00844 Europium- 152 U -0.0124 pCi/g Uncert: +/-0.0226 TPU: +/-0.0226 Europium- 154 U -0.0125 pCi/g Uncert: +/-0.0235 TPU: +/-0.0235 Europium- 155 U -0.00752 pCi/g Uncert: +/-0.027 TPU: +/-0.027 Lead-212 U 0.00708 pCi/g Uncert: +/-0.0292 TPU: +/-0.0292 Lead-214 U 0.0307 pCi/g Uncert: +/-0.032 TPU: +/-0.032 78

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 174346 Page 6 of 9 Parmname NOM Sample Qual QC Units RPD% REC % Range Anist Date Time Rad Gamma Spec Batch 581675 Manganese-54 U -0.003 pCi/g Uncert: +/-0.00927 TPU: +/-0.00927 Niobium-94 U 0.0088 pCi/g Uncert: +/-0.00881 TPU: +/-0.00881 Potassium-40 UI 0.00 pCi/g Uncert: +/-0.169 TPU: +/-0.169 Radium-226 U 0.0234 pCi/g Uncert: +/-0.0389 TPU: +/-0.0389 Silver- 108m U -0.00204 pCi/g Uncert: +/-0.00779 TPU: +/-0.00779 Thallium-208 U 0.00488 p~ilg Uncert: +/-0.0168 TPU: +/-0.0168 Rad Gas Flow Batch 580488 QC1201210299 174224006 DUP Strontium-90 U 0.0274 U 0.019 pCi/g 0 (0% - 100%) KSD1 10/23/06 14:39 Uncert: +/-0.0243 +/-0.0165 TPU: +/-0.0243 +/-0.0165 QC1201210301 LCS Strontium-90 1.48 1.21 pCilg 82 (75%-125%) 10/21/06 08:50 Uncert: +/-0.0826 TPU: +/-0.0897 QC1201210298 MB Strontium-90 U -0.000851 pCi/g 10/21/06 08:50 Uncert: +/-0.0154 TPU: +/-0.0154 QC1201210300 174224006 MS Strontium-90 3.12 U 0.0274 2.73 pCi/g 88 (75%-125%) 10/21/06 08:50 Uncert: +/-0.0243 +/-0.188 TPU: +/-0.0243 +/-0.204 Rad Liquid Scintillation Batch 580395 QC1201210034 174224006 DUP Iron-55 U 2.10 U 6.20 pCi/g 0 (0% - 100%) VIXPI 10/23/06 02:29 Uncert: +/-28.7 +/-29.1 TPU: +/-28.7 +/-29.1 QC1201210036 LCS Iron-55 607 623 pCi/g 103 (75%-125%) 10/23/06 03:02 Uncert: +/-52.8 TPU: +/-73.5 QC1201210033 MB Iron-55 U 2.58 pCi/g 10/23/06 02:12 79

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 174346 Page 7 of 9 Parmname NOM Sample Qual QC Units RPD% REC% Range Anist Date Time Rad Liquid Scintillation Batch 580395 Uncert: +/-32.0 TPU: +/-32.0 QC1201210035 174224006 MS Iron-55 666 U 2.10 631 pCi/g 95 (75%-125%) 10/23/06 02:45 Uncert: +/-28.7 +/-52.7 TPU: +/-28.7 +/-73.8 Batch 580397 QC1201210042 174224021 DUP Nickel-63 U -2.58 U -5.26 pCi/g 0 (0% - 100%) MXP1 10/22/06 22:13 Uncert: +/-9.45 +/-8.14 TPU: +/-9.45 +/-8.14 QC1201210044 LCS Nickel-63 180 158 pCi/g 88 (75%-125%) 10/22/06 22:46 Uncert: +/-7.84 TPU: +/-8.98 QC1201210041 MB Nickel-63 U 0.00 pCi/g 10/22/06 21:57 Uncert: +/-2.82 TPU: +/-2.82 QC1201210043 174224021 MS Nickel-63 577 U -2.58 446 pCi/g 77 (75%-125%) 10/22/06 22:30 Uncert: +/-9.45 +/-21.3 TPU: +/-9.45 +/-26.8 Batch 580727 QC1201210847 174346016 DUP Technetium-99 U -0.146 U -0.172 pCi/g 0 (0% - 100%) KXR1 10/24/06 11:56 Uncert: +/-0.233 +/-0.265 TPU: +/-0.233 +/-0.265 QC1201210849 LCS Technetium-99 13.1 12.1 pCilg 92 (75%-125%) 10/24/06 12:29 Uncert: +/-0.535 TPU: +/-0.614 QC1201210846 MB Technetium-99 U 0.0139 pCilg 10/24/06 11:40 Uncert: +/-0.214 TPU: +/-0.214 QC1201210848 174346016 MS Technetium-99 12.9 U -0.146 11.5 pci/g 89 (75%-125%) 10/24/06 12:12 Uncert: +/-0.233 +/-0.584 TPU: +/-0.233 +/-0.651 Batch 580729 QC1201210855 174346016 DUP Tritium U 9.05 U -1.8 pCi/g 0 (0% - 100%) DFA1 10/24/06 13:41 Uncert: +/-6.30 +/-4.98 TPU: +/-6.30 +/-4.98 QC1201210857 LCS Tritium 45.8

46.0 pCi/g 100 (75%-125%) 10/24/06 14:15 Uncert: +/-7.99 TPU: +/-8.03 80

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 174346 Page 8 of 9 Parmname NOM Sample Qual QC Units RPD% REC% Range AnIst Date Time Rad Liquid Scintillation Batch 580729 QC1201210854 MB Tritium U -1.27 pCi/g 10/24/06 13:24 Uncert: +/-5.32 TPU: +/-5.32 QC1201210856 174346016 MS Tritium 51.2 U 9.05 39.8 pCi/g 78 (75%-125%) 10/24/06 13:58 Uncert: +/-6.30 +/-8.21 TPU: +/-6.30 +/-8.24 Batch 580730 QC1201210859 174346016 DUP Carbon-14 U -0.0717 U -0.0607 pCi/g 0 (0% - 100%) kXD2 10/20/06 08:03 Uncert: +/-0.110 +/-0.114 TPU: +/-0.110 +/-0.114 QC1201210861 LCS Carbon- 14 6.86 6.73 pCi/g 98 (75%-125%) 10/20/06 10:09 Uncert: +/-0.206 TPU: +/-0.231 QC1201210858 MB Carbon- 14 U -0.107 pCi/g 10/20/06 07:00 Uncert: +/-0.110 TPU: +/-0.110 QC1201210860 174346016 MS Carbon- 14 6.93 U -0.0717 6.92 pCi/g 100 (75%-125%) 10/20/06 09:06 Uncert: +/-0.110 +/-0.209 TPU: +/-0.110 +/-0.235 Notes:

The Qualifiers in this report are defined as follows:

A quality control analyte recovery is outside of specified acceptance criteria Result is less than value reported Result is greater than value reported A The TIC is a suspected aldol-condensation product B Target analyte was detected in the associated blank BD Results are either below the MDC or tracer recovery is low C Analyte has been confirmed by GC/MS analysis D Results are reported from a diluted aliquot of the sample H Analytical holding time was exceeded J Value is estimated N/A Spike recovery limits do not apply. Sample concentration exceeds spike concentration by 4X or more R Sample results are rejected U Analyte was analyzed for, but not detected above the MDL, MDA, or LOD.

UI Gamma Spectroscopy--Uncertain identification X Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier Y QC Samples were not spiked with this compound RPD of sample and duplicate evaluated using +/-RL. Concentrations are <5X the RL 81

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 174346 Page 9 of 9 Parmname NOM Sample Qual QC Units RPD% REC% Range Anist Date Time A

h Preparation or preservation holding time was exceeded N/A indicates that spike recovery limits do not apply when sample concentration exceeds spike conc. by a factor of 4 or more.

- Indicates analyte is a surrogate compound.

A The Relative Percent Difference (RPD) obtained from the sample duplicate (DUP) is evaluated against the acceptence criteria when the sample is greater than five times (5X) the contract required detection limit (RL). In cases where either the sample or duplicate value is less than 5X the RL, a control limit of +/- the RL is used to evaluate the DUP result.

For PS, PSD, and SDILT results, the values listed are the measured amounts, not final concentrations.

Where the analytical method has been performed under NELAP certification, the analysis has met all of the requirements of the NELAC standard unless qualified on the QC Summary.

82

General Narrative 1

General Narrative for Connecticut Yankee Atomic Power Co.

Work Order: 174936 SDG: MSR#06-1407 October 30, 2006 Laboratory Identification:

General Engineering Laboratories, LLC 2040 Savage Road Charleston, South Carolina 29407 (843) 556-8171 Summary Sample receipt The samples arrived at General Engineering Laboratories, LLC, Charleston, South Carolina on October 26, 2006 for analysis. Shipping container temperatures were checked, documented, and within specifications. The samples were delivered with proper chain of custody documentation and signatures. All sample containers arrived without any visible signs of tampering or breakage.

Sample Identification The laboratory received the following samples:

Laboratory Sample Identification Description 174936001 9522-01-005C 174936002 9522-01-007C 174936003 9520-0004-016F 174936004 9520-0004-017F 174936005 9504-0-01OC 174936006 9504-0-013C 174936007 9520-0005-019F Items of Note There are no items to note.

Case Narrative Sample analyses were conducted using methodology as outlined in General Engineering Laboratories (GEL)

Standard Operating Procedures. Any technical or administrative problems during analysis, data review, and reduction are contained in the analytical case narratives in the enclosed data package.

Analytical Request Four soil samples were analyzed for CHALL. Three soil samples were analyzed for FSSGAM.

Data Package The enclosed data package contains the following sections: General Narrative, Chain of Custody and Supporting Documentation, Data Review Qualifier Definitions, and data from the following fractions: Radiochemistry.

GENERAL ENGINEERING LABORATORIES, LLC a Member of THE GEL GROUP, INC.

P.O. BOX 30712 Charleston, SC 29417

2040 Savage Road (29407)

Phone (843) 556-8171

FaxZ43) 766-1178 www.gel.com

I certify that this data package is in compliance with the SOW, both technically and for completeness, for other than the conditions detailed above. Release of the data contained in this hard copy data package has been authorized by the Laboratory Manager or a designee, as verified by the following signature.

Cheryl JMnes Project Manager GENERAL ENGINEERING LABORATORIES, LLC a Member of THE GEL OROUP, INC.

P.O. BOX 30712 Charleston, SC 29417 - 2040 Savage Road (29407)

Phone (843) 556-8171 - Fax343) 766-1178 www.gel.com

List of current GEL Certifications as of 30 October 2006 State Certification Alaska UST-062 Arizona AZ0668 Arkansas 88-0651 CLIA 42D0904046 California 01151CA Colorado GenEngLabs Connecticut PH-0169 Dept. of Navy NFESC 413 EPA WG- I 5J Florida/NELAP E87156 Georgia E87156 (FL/NELAP)

Hawaii N/A Idaho N/A Illinois 200029 Indiana C-SC-01 Kansas E-10332 Kentucky 90129 Louisiana 03046 Maryland 270 Massachusetts M-SC012 Michigan 9903 Nevada SC12 New Jersey SCO02 New Mexico FL NELAP E87156 New York 11501 North Carolina 233 North Carolina Drinking W 45709 North Dakota R-158 Oklahoma 9904 Pennsylvania 68-00485 South Carolina 10120001/10585001/10120002 Tennessee 02934 Texas TX213-2006A Texas NELAP T104704235-06-TX U.S. Dept. of Agriculture S-52597 US Army Corps of Engineer N/A Utah 8037697376 GEL Vermont VT87156 Virginia 00151 Washington C 1641 4

Chain of Custody and Supporting Documentation 5

Health Physics Procedure GPP-GGGR-R5104-003-Attachment B-CY-001 Major

Chain of Custody*Form No. 2006-00637 Connecticut Yankee Atomic Power Company Chain ofC std F .

362 Injun Hollow Road, East Hampton, CT 06424 860-267-2556 : ? '. _

Project Name: Haddam Neck Decommissioning Analyses Requested Lab Use Only Contact Name & Phone: Comments:

Jack McCarthy 860-267-3924 Media Sample Container Code Type Size-Analytical Lab (Name, City, State): Code &Type General Engineering Laboratories Code 2040 Savage Road Charleston, SC 29407 ATT: Cheryl Jones (843-556-8171)

Priority: r1 30 D. 1314 D. Z 7 D.

Other: "__

Sample Designation Date Time .. , Comment, Preservation Lab Sample ID.

9522-01-005C to-CýUC 1i3'i,5 TS G BP X -__-"

5 9A.O-tC0 CtOL- tb-O t14.'

-' 9- 6 -. .

NOTES: PO #: 002332 MSR#: Or-1o47 Z LTP QA 13 Radwaste QA 13 Non QA Samples Shipped Via: InternalIntainer

,:. 'i . .. ... . Z Fed "E- U P SEx Temp.: IT Deg. C

.] Hand Custody Sealed?

1)Rel eBy Date/Time 2) Date/Time CustodySeal Intact?

D ime'/Eo 2 Other

3) RQ6 quishedBy Date/Time 4) Received By Date/Time 7 1 6-, 2-365 f 3Z-5 N LI Bill of Lading #

5) Relinquished By Date/Time 6) Received By Date/Time

Health Physics ProcedUre GPP-GGGR-R5104-003-Attachmnent B-CY-001 Major

: Chain of Cu'stody Form Connecticut Yankee Atomic Power Company No. 2006-00638 362 Injun Hollow Road, East Hampton, CT 06424 860-267-2556 ._ *"

Project Name: Haddam Neck Decommissioning Analyses Requested Lab Use Only Contact Name & Phone: Comments:

Jack McCarthy 860-267-3924 Analytical Lab (Name, City, State)

General Engineering Laboratories 2040 Savage Road. Charleston SC. 29407 * .

843 556 8171. Attn. Cheryl Jones V)

Priority: ] 30 D. LI14 D. 7 D. 3D.

Container. *-. . .

Sample Designation...... Date Time Media ~ ~~Sample Typle Size-Sipe- :. . Comment, PreserVation Lab Sample ID Code Code Code, 9520-0004-016F io/0/1/ V *L7L" TS G BP X .- - - . * ..

9520-0004-017F /0//1,VAL 7IV TS G BP .X 4 4 I-4---l----4--1 4 ~-*-I-4--J 1-4

.1. _________ L _________ ~ I-.1~i+/-..j ______ 1........1 ________________________ I NOTES: PO #: 002332 MSR #: 06- 10O7 SSWP# NA Z. LTP QA , El Radwaste QA El Non QA Samples Shipped Via: Internal ntainer

0. Fed Ex Temp.:-

, _ Deg.

El UPS C,

E]: Hand Custod. Sealed?

Y NI1-"

1) Relnq ed B 4 _Z2 Date/Time 2 eived By Date/Time Custody Seal

3) BeL inquis/(fPe El Other Intact?

3) l'vinqui ed By Date/Time 4) Received By Date/Time 7o* O -3/2'3S2- Y N L.

Bill of Lading #

Health Physics Procedure GPP-GGGR-R5104-003-Attachment B-CY-001 Major Connecticut Yankee Atomic Power Company Chain of Custody Form No. 2006-00639 362 Injun Hollow Road, East Hampton, CT 06424 860-267-2556 _.-

Project Name: Haddam Neck Analyses Requested Lab Use Only Decommissioning .. _._ __.

Contact Name & Phone: Comments:

Jack McCarthy 860-267-3924 Media Sample Container Code Type Size-.

Analytical Lab (Name, City, State): Code &Type General Engineering Laboratories Code, 2040 Savage Road Charleston, SC 29407 ATT: Cheryl Jones (843-556-8171)

Priority: E] 30 D. L 14 D. Z 7 D. .

Other: 0c-1 . '/"

Sample Designation Date Time U Comment, Preservation Lab Sample ID 9504-0-01OC 10/10/06 1035 TS G BP X 9504-0-013C 10/10/06 0820 TS G BP X '*_. "

NOTES: P0O# 002332 MSR #: Z LT.P QA ElRadwaste QA ElNo n QA Samples Shipped Via: Internal Container Fed x Temp.: Deg. C 0l Hand Cq iody Sealed?

/"_ Vt C ý- *e to- ... of.*(. u(s r\*5- N.

1) Reli Uis d B3 Date/Time 2) RLTPd BY Date/Time CusnldQdSeal Intact?

Date/Time .- N.1

3) Re quishe By Date/Time 4) Received By ..

Iý . . 1 Dei Bill ofLading #

5) Relinquished By Date/Time 6) Received By Date/Time

Health Physics Procedure GPP-GG GR-R5104-003-Attachment B-CY-00 I Major Helt PyIcs Prceur II-0-Atah IIY0 ,Ma PPGGRII en Chain of Custody Form No. 2006-00640 Connecticut Yankee Atomic Power Company 362 lInjun Hollow Road, East Hampton, CT 06424 860-267-2556b:-_ ....... "

Analyses Requested Lab Use Only Project Name: Hladdarn Neck Decommissioning Contact Name & Phone: Corn ments:

Jack McCarthy 860-267-3924 Analytical Lab (Name, City, State)

General Engineering Laboratories 2040 Savage Road. Charleston SC. 29407 0 <

843 556 8171. Attn. Cheryl Jones Priority: [] 30 D. E] 14 D. 2 7 D. ] 3 D.

Containier Sample Size-Sample Designation Date, Time Media Type &Type Cormment, Preservation Lab Sample ID Code Code Code 9520-0005-019F 10/23/06 TS G BP X .... .. _._._.

to NOTES: PO #: 002332 MSR #: 06-1438- SSWP# NA Z LTP QA El Radwaste. QA Samples Shipped. Via: Internal Container E] Non QA 1 40 -7 M Fed Ex Temp.: I Deg.

LI urps C El Hand Cu t~dy Sealed?

NrF

1) Relin l By Date/Time 2ý ývedBy Date/Time (usiidy Seal E] Other Intact?

/ C /~c~

,~~,o ~lot

3) Roquished By Date/Time 4) Rteceived By IDate/Time Y N I Bill of Lading #

Connecticut Yankee Sta'tement of Work for Analytical Lab Services Figure 1. Sample Check-in List Date/Time Received: 1 'oQh LID J[* a j ,

SDG#:

Work Order Number.q .

~noG~0" toWAO Shipping Cb lDainer ID: I Q M 1 Chain of Custody

1. Custody Seals.orshipping container intact?. .Yes 'No [I

2. Custody Seals dated and signed? Yes '] No. [ .

3. Chain-of-Custo.Jy record present? Yes}ANo 1 4 Cooler temperature

5. Vermiculite/packing materials is: Wet [Dry~

6.' Number of samples in shipping container:

7. Sample holding times exceeded? Yes [ iNo

8. Samples have:-

. 7 ~Iitap-hazard labels custody seals -appropriate sample labels

9. Samples are:

in good condition leaking broken -have air bubbles

10. Were any anomalies identified in sample receipt? Yes N 11..

Description of anomalies.(include sample numberz samPlepocustediatoLabrat°: DaBte.::JB- "

Telephoned: to- - OnBy 10

Data Review Qualifier Definitions 11

Data Review Qualifier Definitions Qualifier Explanation

A quality control analyte recovery is outside of specified acceptance criteria

- Analyte is a surrogate compound

Result is less than value reported

Result is greater than value reported RPD of sample and duplicate evaluated using +/-RL. Concentrations are <5X the RL A The TIC is a suspected aldol-condensation product B Target analyte was detected in the associated blank B Metals-Either presence of analyte detected in the associated blank, or MDL/IDL < sample value < PQL BD Results are either below the MDC or tracer recovery is low C Analyte has been confirmed by GC/MS analysis D Results are reported from a diluted aliquot of the sample d 5-day BOD-The 2:1 depletion requirement was not met for this sample E Organics-Concentration of the target analyte exceeds the instrument calibration range E Metals-%difference of sample and SD is >10%. Sample concentration must meet flagging criteria H Analytical holding time was exceeded h Preparation or preservation holding time was exceeded J Value is estimated N Metals-The Matrix spike sample recovery is not within specified control limits N Organics-Presumptive evidence based on mass spectral library search to make a tentative identification of the analyte (TIC). Quantitation is based on nearest internal standard response factor N/A Spike recovery limits do not apply. Sample concentration exceeds spike concentration by 4X or more ND Analyte concentration is not detected above the reporting limit UI Gamma Spectroscopy-Uncertain identification X Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier Y QC Samples were not spiked with this compound Z Paint Filter Test-Particulates passed through the filter, however no free liquids were observed.

GENERAL ENGINEERING LABORATORIES, LLC a Member of THE GEL GROUP, INC.

P.O. BOX 30712 Charleston, SC 29417 , 2040 Savage Road (29407)

Phone (843) 556-8171 Falfj3) 766-1178 www.gel.com

RADIOLOGICAL ANALYSIS 13

Radiochemistry Case Narrative Connecticut Yankee Atomic Power Co. (YANK)

Work Order 174936 Method/Analysis Information Product: Alphaspec Am241, Cm, Solid ALL FSS Analytical Method: DOE EML HASL-300, Am-05-RC Modified Prep Method: Ash Soil Prep Dry Soil Prep GL-RAD-A-021 Method: Dry Soil Prep Analytical Batch Number: 583311 Prep Batch Number: 583211 Dry Soil Prep GL-RAD-A-021 Batch Number: 583196 Sample ID Client ID 174936001 9522-01-005C 174936002 9522-01-007C 174936005 9504-0-01 OC 174936006 9504-0-013C 1201216888 Method Blank (MB) 1201216890 174936001(9522-01-005C) Matrix Spike (MS) 1201216891 Laboratory Control Sample (LCS) 1201217370 174936001(9522-01-005C) Sample Duplicate (DUP)

SOP Reference Procedure for preparation, analysis and reporting of analytical data are controlled by General Engineering Laboratories, LLC as Standard Operating Procedure (SOP). The data discussed in this narrative has been analyzed in accordance with GL-RAD-A-01 1 REV# 14.

Calibration Information:

Calibration Information All initial and continuing calibration requirements have been met.

Standards Information Standard solution(s) for these analyses are NIST traceable and used before the expiration date(s).

Sample Geometry All counting sources were prepared in the same geometry as the calibration standards.

14

Ouality Control (0C) Information:

Blank Information The blank volume is representative of the sample volume in this batch.

Designated QC The following sample was used for QC: 174936001 (9522-01-005C).

QC Information All of the QC samples met the required acceptance limits.

Technical Information:

Holding Time All sample procedures for this sample set were performed within the required holding time.

Preparation Information All preparation criteria have been met for these analyses.

Sample Re-prep/Re-analysis None of the samples in this sample set required reprep or reanalysis.

Miscellaneous Information:

NCR Documentation Nonconformance reports are generated to document any procedural anomalies that may deviate from referenced SOP or contractual documents. A nonconformance report (NCR) was not generated for this SDG.

Manual Integration No manual integrations were performed on data in this batch.

Additional Comments The blank, 1201216888 (MB), did not meet the detection limit due to keeping the blank volume consistent with the other sample aliquots. All other samples met the detection limits.

Qualifier information Manual qualifiers were not required.

Method/Analysis Information 15

Product: Alphaspec Pu, Solid-ALL FSS Analytical Method: DOE EML HASL-300, Pu- II-RC Modified Prep Method: Ash Soil Prep Dry Soil Prep GL-RAD-A-021 Method: Dry Soil Prep Analytical Batch Number: 583312 Prep Batch Number: 583211 Dry Soil Prep GL-RAD-A-021 Batch Number: 583196 Sample ID Client ID 174936001 9522-01-005C 174936002 9522-01-007C 174936005 9504-0-01 OC 174936006 9504-0-013C 1201216892 Method Blank (MB) 1201216893 174936001(9522-01-005C) Sample Duplicate (DUP) 1201216894 174936001(9522-01-005C) Matrix Spike (MS) 1201216895 Laboratory Control Sample (LCS)

SOP Reference Procedure for preparation, analysis and reporting of analytical data are controlled by General Engineering Laboratories, LLC as Standard Operating Procedure (SOP). The data discussed in this narrative has been analyzed in accordance with GL-RAD-A-01 I REV# 14.

Calibration Information:

Calibration Information All initial and continuing calibration requirements have been met.

Standards Information Standard solution(s) for these analyses are NIST traceable and used before the expiration date(s).

Sample Geometry All counting sources were prepared in the same geometry as the calibration standards.

Quality Control (0C) Information:

Blank Information The blank volume is representative of the sample volume in this batch.

Designated QC The following sample was used for QC: 174936001 (9522-01-005C).

QC Information 16

All of the QC samples met the required acceptance limits.

Technical Information:

Holding Time All sample procedures for this sample set were performed within the required holding time.

Preparation Information All preparation criteria have been met for these analyses.

Sample Re-prep/Re-analysis None of the samples in this sample set required reprep or reanalysis.

Miscellaneous Information:

NCR Documentation Nonconformance reports are generated to document any procedural anomalies that may deviate from referenced SOP or contractual documents. A nonconformance report (NCR) was not generated for this SDG.

Manual Integration No manual integrations were performed on data in this batch.

Additional Comments Additional comments were not required for this sample set.

Qualifier information Manual qualifiers were not required.

Method/Analysis Information Product: Liquid Scint Pu241, Solid-ALL FSS Analytical Method: DOE EML HASL-300, Pu-Il -RC Modified Prep Method: Ash Soil Prep Dry Soil Prep GL-RAD-A-021 Method: Dry Soil Prep Analytical Batch Number: 583313 Prep Batch Number: 583211 Dry Soil Prep GL-RAD-A-021 Batch Number: 583196 17

Sample ID Client ID 174936001 9522-01-005C 174936002 9522-01-007C 174936005 9504-0-01 OC 174936006 9504-0-013C 1201216896 Method Blank (MB) 1201216897 174936001(9522-01-005C) Sample Duplicate (DUP) 1201216898 174936001(9522-01-005C) Matrix Spike (MS) 1201216899 Laboratory Control Sample (LCS)

SOP Reference Procedure for preparation, analysis and reporting of analytical data are controlled by General Engineering Laboratories, LLC as Standard Operating Procedure (SOP). The data discussed in this narrative has been analyzed in accordance with GL-RAD-A-035 REV# 8.

Calibration Information:

Calibration Information All initial and continuing calibration requirements have been met.

Standards Information Standard solution(s) for these analyses are NIST traceable and used before the expiration date(s).

Sample Geometry All counting sources were prepared in the same geometry as the calibration standards.

Quality Control (QC) Information:

Blank Information The blank volume is representative of the sample volume in this batch.

Designated QC The following sample was used for QC: 174936001 (9522-01-005C).

QC Information All of the QC samples met the required acceptance limits.

Technical Information:

Holding Time All sample procedures for this sample set were performed within the required holding time.

Preparation Information All preparation criteria have been met for these analyses.

Sample Re-prep/Re-analysis The batch was recounted due to a low LCS recovery.

18

Miscellaneous Information:

NCR Documentation Nonconformance reports are generated to document any procedural anomalies that may deviate from referenced SOP or contractual documents. A nonconformance report (NCR) was not generated for this SDG.

Manual Integration No manual integrations were performed on data in this batch.

Additional Comments Additional comments were not required for this sample set.

Oualifier information Manual qualifiers were not required.

Method/Analysis Information Product: Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Analytical Method: EML HASL 300, 4.5.2.3 Prep Method: Dry Soil Prep Analytical Batch Number: 583389 Prep Batch Number: 583196 Sample ID Client ID 174936001 9522-01-005C 174936002 9522-01-007C 174936003 9520-0004-016F 174936004 9520-0004-017F 174936005 9504-0-01 OC 174936006 9504-0-013C 174936007 9520-0005-019F 1201217095 Method Blank (MB) 1201217096 174911001(9801 R 101 -SFCC-0 1-C l (0-2in)) Sample Duplicate (DUP) 1201217097 Laboratory Control Sample (LCS)

SOP Reference Procedure for preparation, analysis and reporting of analytical data are controlled by General Engineering Laboratories, LLC as Standard Operating Procedure (SOP). The data discussed in this narrative has been analyzed in accordance with GL-RAD-A-013 REV# 13.

19

Calibration Information:

Calibration Information All initial and continuing calibration requirements have been met.

Standards Information Standard solution(s) for these analyses are NIST traceable and used before the expiration date(s).

Sample Geometry All counting sources were prepared in the same geometry as the calibration standards.

Quality Control (QC) Information:

Blank Information The blank volume is representative of the sample volume in this batch.

Designated QC The following sample was used for QC: 174911001 (9801-0-RI01-SFCC-01-CI (0-2in)).

QC Information All of the QC samples met the required acceptance limits.

Technical Information:

Holding Time All sample procedures for this sample set were performed within the required holding time.

Preparation Information All preparation criteria have been met for these analyses.

Sample Re-prep/Re-analysis None of the samples in this sample set required reprep or reanalysis.

Miscellaneous Information:

NCR Documentation Nonconformance reports are generated to document any procedural anomalies that may deviate from referenced SOP or contractual documents. A nonconformance report (NCR) was not generated for this SDG.

Additional Comments Additional comments were not required for this sample set.

Qualifier information 20

Qualifier Reason Analyte Sample U' Data rejected due to high counting uncertainty. Bismuth-212 1201217096 UI Data rejected due to high peak-width. Cesium- 134 1201217095 UI Data rejected due to interference. Europium- 155 174936002 Manganese-54 174936002 174936005 U' Data rejected due to low abundance. Cesium- 134 174936001 174936002 174936005 174936007 1201217096 Lead-214 1201217095 Method/Analysis Information Product: GFPC, Sr90, solid-ALL FSS Analytical Method: EPA 905.0 Modified Prep Method: Ash Soil Prep Dry Soil Prep GL-RAD-A-021 Method: Dry Soil Prep Analytical Batch Number: 583243 Prep Batch Number: 583211 Dry Soil Prep GL-RAD-A-021 Batch Number: 583196 Sample ID Client ID 174936001 9522-01-005C 174936002 9522-01-007C 174936005 9504-0-01 OC 174936006 9504-0-013C 1201216717 Method Blank (MB) 1201216718 174936001(9522-01-005C) Sample Duplicate (DUP) 1201216719 174936001(9522-01-005C) Matrix Spike (MS) 1201216720 Laboratory Control Sample (LCS) 21

SOP Reference Procedure for preparation, analysis and reporting of analytical data are controlled by General Engineering Laboratories, LLC as Standard Operating Procedure (SOP). The data discussed in this narrative has been analyzed in accordance with GL-RAD-A-004 REV# 10.

Calibration Information:

Calibration Information All initial and continuing calibration requirements have been met.

Standards Information Standard solution(s) for these analyses are NIST traceable and used before the expiration date(s).

Sample Geometry All counting sources were prepared in the same geometry as the calibration standards.

Quality Control (QC) Information:

Blank Information The blank volume is representative of the sample volumes in this batch.

Designated QC The following sample was used for QC: 174936001 (9522-01-005C).

QC Information All of the QC samples met the required acceptance limits.

Technical Information:

Holding Time All sample procedures for this sample set were performed within the required holding time.

Preparation Information All preparation criteria have been met for these analyses.

Sample Re-prep/Re-analysis Samples were recounted due to being originally counted on detectors with expired calibrations.

Chemical Recoveries All chemical recoveries meet the required acceptance limits for this sample set.

Miscellaneous Information:

NCR Documentation Nonconformance reports are generated to document any procedural anomalies that may deviate from referenced SOP or contractual documents. A nonconformance report (NCR) was not generated for this SDG.

Additional Comments The blank result for 1201216717 (MB) is greater than the MDA but less than the detection limit.

22

Qualifier information Manual qualifiers were not required.

Method/Analysis Information Product: Liquid Scint Tc99, Solid-ALL FSS Analytical Method: DOE EML HASL-300, Tc-02-RC Modified Analytical Batch Number: 583233 Sample ID Client ID 174936001 9522-01-005C 174936002 9522-01-007C 174936005 9504-0-01 0C 174936006 9504-0-013C 1201216689 Method Blank (MB) 1201216690 174936001(9522-01-005C) Sample Duplicate (DUP) 1201216691 174936001(9522-01-005C) Matrix Spike (MS) 1201216692 Laboratory Control Sample (LCS)

SOP Reference Procedure for preparation, analysis and reporting of analytical data are controlled by General Engineering Laboratories, LLC as Standard Operating Procedure (SOP). The data discussed in this narrative has been analyzed in accordance with GL-RAD-A-005 REV# 13.

Calibration Information:

Calibration Information All initial and continuing calibration requirements have been met.

Standards Information Standard solution(s) for these analyses are NIST traceable and used before the expiration date(s).

Sample Geometry All counting sources were prepared in the same geometry as the calibration standards.

Ouality Control (0C) Information:

Blank Information The blank volume is representative of the sample volume in this batch.

Designated QC The following sample was used for QC: 174936001 (9522-01-005C).

QC Information 23

All of the QC samples met the required acceptance limits.

Technical Information:

Holding Time All sample procedures for this sample set were performed within the required holding time.

Preparation Information All preparation criteria have been met for these analyses.

Sample Re-prep/Re-analysis Samples 174936001 (9522-01-005C) and 174936002 (9522-01-007C) were recounted due to spectral interference.

Miscellaneous Information:

NCR Documentation Nonconformance reports are generated to document any procedural anomalies that may deviate from referenced SOP or contractual documents. A nonconformance report (NCR) was not generated for this SDG.

Additional Comments The result for sample 174936006 (9504-0-013C) is biased high due to spectral interference.

Oualifier information Qualifier Reason Analyte Sample Sample result biased high due to spectral x Technetium-99 174936006 interference.

Method/Analysis Information Product: Liquid Scint Fe55, Solid-ALL FSS Analytical Method: DOE RESL Fe-1, Modified Prep Method: Ash Soil Prep Dry Soil Prep GL-RAD-A-021 Method: Dry Soil Prep Analytical Batch Number: 583239 Prep Batch Number: 583211 Dry Soil Prep GL-RAD-A-021 Batch Number: 583196 24

Sample ID Client ID 174936001 9522-01-005C 174936002 9522-01-007C 174936005 9504-0-01 OC 174936006 9504-0-013C 1201216709 Method Blank (MB) 1201216710 174936001(9522-01-005C) Sample Duplicate (DUP) 1201216711 174936001(9522-01-005C) Matrix Spike (MS) 1201216712 Laboratory Control Sample (LCS)

SOP Reference Procedure for preparation, analysis and reporting of analytical data are controlled by General Engineering Laboratories, LLC as Standard Operating Procedure (SOP). The data discussed in this narrative has been analyzed in accordance with GL-RAD-A-040 REV# 3.

Calibration Information:

Calibration Information All initial and continuing calibration requirements have been met.

Standards Information Standard solution(s) for these analyses are NIST traceable and used before the expiration date(s).

Sample Geometry All counting sources were prepared in the same geometry as the calibration standards.

Quality Control (00 Information:

Blank Information The blank volume is representative of the sample volume in this batch.

Designated QC The following sample was used for QC: 174936001 (9522-01-005C).

QC Information All of the QC samples met the required acceptance limits.

Technical Information:

Holding Time All sample procedures for this sample set were performed within the required holding time.

Preparation Information All preparation criteria have been met for these analyses.

Sample Re-prep/Re-analysis None of the samples in this sample set required reprep or reanalysis.

25

Miscellaneous Information:

NCR Documentation Nonconformance reports are generated to document any procedural anomalies that may deviate from referenced SOP or contractual documents. A nonconformance report (NCR) was not generated for this SDG.

Additional Comments Additional comments were not required for this sample set.

Qualifier information Manual qualifiers were not required.

Method/Analysis Information Product: Liquid Scint Ni63, Solid-ALL FSS Analytical Method: DOE RESL Ni-1, Modified Prep Method: Ash Soil Prep Dry Soil Prep GL-RAD-A-021 Method: Dry Soil Prep Analytical Batch Number: 583241 Prep Batch Number: 583211 Dry Soil Prep GL-RAD-A-021 Batch Number: 583196 Sample ID Client ID 174936001 9522-01-005C 174936002 9522-01-007C 174936005 9504-0-01 OC 174936006 9504-0-013C 1201216713 Method Blank (MB) 1201216714 174936001(9522-01-005C) Sample Duplicate (DUP) 1201216715 174936001(9522-01-005C) Matrix Spike (MS) 1201216716 Laboratory Control Sample (LCS)

SOP Reference Procedure for preparation, analysis and reporting of analytical data are controlled by General Engineering Laboratories, LLC as Standard Operating Procedure (SOP). The data discussed in this narrative has been analyzed in accordance with GL-RAD-A-022 REV# 8.

Calibration Information:

Calibration Information 26

All initial and continuing calibration requirements have been met.

Standards Information Standard solution(s) for these analyses are NIST traceable and used before the expiration date(s).

Sample Geometry All counting sources were prepared in the same geometry as the calibration standards.

Quality Control (QC) Information:

Blank Information The blank volume is representative of the sample volume in this batch.

Designated QC The following sample was used for QC: 174936001 (9522-01-005C).

QC Information All of the QC samples met the required acceptance limits.

Technical Information:

Holding Time All sample procedures for this sample set were performed within the required holding time.

Preparation Information All preparation criteria have been met for these analyses.

Sample Re-prep/Re-analysis None of the samples in this sample set required reprep or reanalysis.

Miscellaneous Information:

NCR Documentation Nonconformance reports are generated to document any procedural anomalies that may deviate from referenced SOP or contractual documents. A nonconformance report (NCR) was not generated for this SDG.

Additional Comments Additional comments were not required for this sample set.

Qualifier information Manual qualifiers were not required.

Method/Analysis Information 27

Product: LSC, Tritium Dist, Solid-HTD2,ALL FSS Analytical Method: EPA 906.0 Modified Analytical Batch Number: 583234 Sample ID Client ID 174936001 9522-01-005C 174936002 9522-01-007C 174936005 9504-0-01OC 174936006 9504-0-013C 1201216693 Method Blank (MB) 1201216694 174936001(9522-01-005C) Sample Duplicate (DUP) 1201216695 174936001(9522-01-005C) Matrix Spike (MS) 1201216696 Laboratory Control Sample (LCS)

SOP Reference Procedure for preparation, analysis and reporting of analytical data are controlled by General Engineering Laboratories, LLC as Standard Operating Procedure (SOP). The data discussed in this narrative has been analyzed in accordance with GL-RAD-A-002 REV# 13.

Calibration Information:

Calibration Information All initial and continuing calibration requirements have been met.

Standards Information Standard solution(s) for these analyses are NIST traceable and used before the expiration date(s).

Sample Geometry All counting sources were prepared in the same geometry as the calibration standards.

Quality Control (QC) Information:

Blank Information The blank volume is representative of the sample volume in this batch.

Designated QC The following sample was used for QC: 174936001 (9522-01-005C).

QC Information All of the QC samples met the required acceptance limits.

Technical Information:

Holding Time All sample procedures for this sample set were performed within the required holding time.

28

Preparation Information All preparation criteria have been met for these analyses.

Sample Re-prep/Re-analysis Sample 174936005 (9504-0-010C) was recounted due to high MDA.

Miscellaneous Information:

NCR Documentation Nonconformance reports are generated to document any procedural anomalies that may deviate from referenced SOP or contractual documents. A nonconformance report (NCR) was not generated for this SDG.

Additional Comments Additional comments were not required for this sample set.

Qualifier information Manual qualifiers were not required.

Method/Analysis Information Product: Liquid Scint C14, Solid AII,FSS Analytical Method: EPA EERF C-01 Modified Analytical Batch Number: 583236 Sample ID Client ID 174936001 9522-01-005C 174936002 9522-01-007C 174936005 9504-0-01 OC 174936006 9504-0-013C 1201216701 Method Blank (MB) 1201216702 174936001(9522-01-005C) Sample Duplicate (DUP) 1201216703 174936001(9522-01-005C) Matrix Spike (MS) 1201216704 Laboratory Control Sample (LCS)

SOP Reference Procedure for preparation, analysis and reporting of analytical data are controlled by General Engineering Laboratories, LLC as Standard Operating Procedure (SOP). The data discussed in this narrative has been analyzed in accordance with GL-RAD-A-003 REV# 8.

Calibration Information:

Calibration Information All initial and continuing calibration requirements have been met.

29

Standards Information Standard solution(s) for these analyses are NIST traceable and used before the expiration date(s).

Sample Geometry All counting sources were prepared in the same geometry as the calibration standards.

Quality Control (QC) Information:

Blank Information The blank volume is representative of the sample volume in this batch.

Designated QC The following sample was used for QC: 174936001 (9522-01-005C).

QC Information All of the QC samples met the required acceptance limits.

Technical Information:

Holding Time All sample procedures for this sample set were performed within the required holding time.

Preparation Information All preparation criteria have been met for these analyses.

Sample Re-prep/Re-analysis None of the samples in this sample set required reprep or reanalysis.

Miscellaneous Information:

NCR Documentation Nonconformance reports are generated to document any procedural anomalies that may deviate from referenced SOP or contractual documents. A nonconformance report (NCR) was not generated for this SDG.

Additional Comments Additional comments were not required for this sample set.

Qualifier information Manual qualifiers were not required.

Certification Statement Where the analytical method has been performed under NELAP certification, the analysis has met all of the requirements of the NELAC standard unless otherwise noted in the analytical case narrative.

Review Validation:

30

GEL requires all analytical data to be verified by a qualified data validator. In addition, all data designated for CLP or CLP-like packaging will receive a third level validation upon completion of the data package.

The following data validator verified the information presented in this case narrative:

Reviewer/Date: ()J4AAj }/34A _/ /1 31

SAMPLE DATA

SUMMARY

32

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Report for YANKOOI Connecticut Yankee Atomic Power Co.

Client SDG: MSR#06-1407 GEL Work Order: 174936 The Qualifiers in this report are defined as follows:

A quality control analyte recovery is outside of specified acceptance criteria

- Analyte is a surrogate compound U Analyte was analyzed for, but not detected above the MDL, MDA, or LOD.

UT Gamma Spectroscopy--Uncertain identification X Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier ND The analyte concentration is not detected above the detection limit.

The above sample is reported on a dry weight basis except where prohibited by the analytical procedure.

Where the analytical method has been performed under NELAP certification, the analysis has met all of the requirements of the NELAC standard unless qualified on the Certificate of Analysis.

This data report has been prepared and reviewed in accordance with General Engineering Laboratories, LLC standard operating procedures. Please direct any questions to your Project Manager, Cheryl Jones.

Reviewed by 33

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company : Connecticut Yankee Atomic Power Address 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: November 2, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9522-01-005C Project: YANK01204 Sample ID: 174936001 Client ID: YANKOOl Matrix: TS Vol. Recv.:

Collect Date: 18-OCT-06 Receive Date: 26-OCT-06 Collector: Client Moisture: 37.8%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Rad Alpha Spec Analysis Alphaspec Am241, Cm, Solid ALL FSS Americium-241 U 0.00136 +/-0.138 0.115 +/-0.138 0.327 pCi/g MXA 10/30/06 1058 583311 1 M

Curium-242 U 0.0391 +/-0.110 0.0674 +/-0.110 0.237 pCi/g Curium-243/244 U -0.0385 +/-0.139 0.132 +/-0.140 0.361 pCi/g Alphaspec Pu, Solid-ALL FSS Plutonium-238 U -0.104 +/-0.112 0.133 +/-0.113 0.352 pCi/g MXA 10/30/06 1058 583312 2 I

Plutonium-239/240 U -0.137 +/-0.0631 0.120 +/-0.0652 0.326 pCi/g Liquid Scint Pu241, Solid-ALL FSS Plutonium-241 U -5.01 +/-7.31 6.36 +/-7.31 13.4 pCi/g MXA 11/02/06 0824 583313 3 I

Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.942 +/-0.216 0.0684 +/-0.216 0.148 pCi/g MJH1 10/31/06 0910 583389 5 Americium-241 0.232 +/-0.147 0.0857 +/-0.147 0.177 pCi/g Bismuth-212 1.25 +/-0.452 0.152 +/-0.452 0.326 pCi/g Bismuth-214 1.01 +/-0.155 0.0431 +/-0.155 0.091 pCi/g Cesium-134 UI 0.00 +/-0.0505 0.0289 +/-0.0505 0.061 pCi/g Cesium-137 1.58 +/-0.100 0.0221 +/-0.100 0.0469 pCi/g Cobalt-60 U 0.0278 +/-0.0308 0.0272 +/-0.0308 0.0585 pCi/g Europium-152 U -0.0437 +/-0.0735 0.0588 +/-0.0735 0.123 pCi/g Europium-154 U 0.0164 +/-0.0885 0.0637 +/-0.0885 0.139 pCi/g Europium-155 U 0.0621 +/-0.0836 0.0693 +/-0.0836 0.143 pCi/g Lead-212 1.10 +/-0.0891 0.0406 +/-0.0891 0.0838 pCi/g Lead-214 0.962 +/-0.132 0.044 +/-0.132 0.0921 pCi/g Manganese-54 U - 0.00466 +/-0.0271 0.0223 +/-0.0271 0.0474 pCi/g Niobium-94 U -0.0112 +/-0.0232 0.0188 +/-0.0232 0.0401 pCi/g Potassium-40 12.1 +/-1.00 0.191 +/-1.00 0.423 pCi/g Radium-226 1.01 +/-0.155 0.0431 +/-0.155 0.091 pCi/g Silver-108m U3.6 70E-05 +/-0.026 0.0213 +/-0.026 0.0446 pCi/g Thallium-208 0.306 +/-0.0549 0.0218 +/-0.0549 0.0461 pCi/g Rad Gas Flow Proportional Counting GFPC,Sr90, solid-ALL FSS Strontium-90 0.0263 +/-0.0109 0.00825 +/-0.011 0.0172 pCi/g KSDI 11/01/06 2100 583243 6 34

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company : Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: November 2, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9522-01-005C Project: YANKO 1204 Sample ID: 174936001 Client ID: YANKOOI Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Rad Liquid Scintillation Analysis LSC, Tritium Dist, Solid-HTD2,ALL FSS Tritium U 3.72 +/-5.94 4.71 +/-5.94 10.2 pCi/g DFA1 10/28/06 0650 583234 7 Liquid Scint C14, Solid All,FSS Carbon-14 U 0.179 +/-0.112 0.0898 +/-0.112 0.184 pCi/g AXD2 10/27/06 2110 583236 8 Liquid Scint Fe55, Solid-ALL FSS lron-55 U 14.2 +/-19.7 12.8 +/-19.7 27.0 pCi/g MXP1 11/01/06 1809 583239 9 Liquid Scint Ni63, Solid-ALL FSS Nickel-63 U -0.799 +/-7.83 6.60 +/-7.83 13.8 pCi/g MXPI 11/01/06 1536 583241 10 Liquid Scint Tc99, Solid-ALL FSS Technetium-99 U 0.320 +/-0.221 0.181 +/-0.221 0.367 pCi/g KXR1 10/31/06 2145 583233 11 The following Prep Methods were performed Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 WXLI 10/26/06 1442 583196 The following Analytical Methods were performed Method Description 1 DOE EML HASL-300, Am-05-RC Modified 2 DOE EML HASL-300, Pu-1 1-RC Modified 3 DOE EML HASL-300, Pu-1 1-RC Modified 4 DOE EML HASL-300, Pu-1 1-RC Modified 5 EML HASL 300,4.5.2.3 6 EPA 905.0 Modified 7 EPA 906.0 Modified 8 EPA EERF C-01 Modified 9 DOE RESL Fe-1, Modified 10 DOE RESL Ni-1, Modified 11 DOE EML HASL-300, Tc-02-RC Modified 12 DOE EML HASL-300, Tc-02-RC Modified 13 DOE EML HASL-300, Tc-02-RC Modified Surrogate/Tracer recovery Test Recovery% Acceptable Limits Americium-243 Alphaspec Am241, Cm, Solid ALL 92 (15%-125%)

Plutonium-242 Alphaspec Pu, Solid-ALL FSS 93 (15%-125%)

35

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: November 2, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9522-01-005C Proiect: YANK01204 Sample ID: 174936001 Client ID: YANKOOI Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Plutonium-241 Liquid Scint Pu241, Solid-ALL FE 88 (25%-125%)

Strontium-90 GFPC, Sr90, solid-ALL FSS 76 (25%-125%)

Carrier/Tracer Recovery GFPC, Sr90, solid-ALL FSS 76 (25%-125%)

Iron-55 Liquid Scint Fe55, Solid-ALL FS 83 (15%-125%)

Nickel-63 Liquid Scint Ni63, Solid-ALL FS 88 (25%-125%)

Carrier/Tracer Recovery Liquid Scint Ni63, Solid-ALL FS 88 (25%-125%)

Technetium-99 Liquid Scint Tc99, Solid-ALL FS 50 (15%-125%)

Carrier/Tracer Recovery Liquid Scint Tc99, Solid-ALL FS 50 (15%-125%)

Notes:

The Qualifiers in this report are defined as follows:

A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported

> Result is greater than value reported A The TIC is a suspected aldol-condensation product B Target analyte was detected in the associated blank BD Results are either below the MDC or tracer recovery is low C Analyte has been confirmed by GC/MS analysis D Results are reported from a diluted aliquot of the sample H Analytical holding time was exceeded J Value is estimated N/A Spike recovery limits do not apply. Sample concentration exceeds spike concentration by 4X or.more R Sample results are rejected U Analyte was analyzed for, but not detected above the MDL, MDA, or LOD.

UI Gamma Spectroscopy--Uncertain identification X Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier Y QC Samples were not spiked with this compound A RPD of sample and duplicate evaluated using +/-RL. Concentrations are <5X the RL h Preparation or preservation holding time was exceeded The above sample is reported on a dry weight basis.

36

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company : Connecticut Yankee Atomic Power Address 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: November 2, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9522-01-007C Proiect: YANK01204 Sample ID: 174936002 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 18-OCT-06 Receive Date: 26-OCT-06 Collector: Client Moisture: 18%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Rad Alpha Spec Analysis Alphaspec Am241, Cm, Solid ALL FSS Americium-241 U 0.0547 +/-0.122 0.0789 +/-0.123 0.237 pCi/g MXA 10/30/06 1058 583311 1 1

Curium-242 U 0.0395 +/-0.0893 0.048 +/-0.0894 0.180 .pCi/g Curium-243/244 U -0.0258 +/-0.0943 0.0912 +/-0.0944 0.262 pCi/g Alphaspec Pu, Solid-ALL FSS Plutonium-238 U -0.0671 +/-0.0439 0.0837 +/-0.0444 0.252 pCi/g MXA 10/30/06 1058 583312 2 1

Plutonium-239/240 U 0.0733 +/-0.145 0.0925 +/-0.145 0.269 pCi/g Liquid Scint Pu241, Solid-ALL FSS Plutonium-241 U 4.10 +/-7.32 5.96 +/-7.33 12.5 pCi/g MXA 11/02/06 0840 583313 3 1

Rad Gamma Spec Analysis Gamma,Solid-FSSGAM & ALL FSS 226 Ingrowth Waived Actinium-228 4.39 +/-0.204 0.0457 +/-0.204 0.0959 pCi/g MJH1 10/31/06 0925 583389 5 Americium-241 U -0.147 F/-0.0988 0.0841 +/-0.0988 0.170 pCi/g Bismuth-212 2.99 +/-0.322 0.128 +/-0.322 0.264 pCi/g Bismuth-214 1.41 F/-0.0972 0.0296 +/-0.0972 0.0611 pCi/g Cesium-134 UI 0.00 F/-0.0358 0.0276 +/-0.0358 0.0564 pCi/g Cesium-137 2.55 F/-0.0752 0.0187 +/-0.0752 0.0386 pCi/g Cobalt-60 U 0.0262 +/-0.0175 0.0166 +/-0.0175 0.0351 pCi/g Europium-152 U -0.03 +/-0.059 0.0503 +/-0.059 0.103 pCi/g Europium-154 U 0.0248 F/-0.0468 0.0422 +/-0.0468 0.0893 pCi/g Europium-155 UI 0.00 F/-0.0881 0.056 +/-0.0881 0.114 pCi/g Lead-212 4.38 +/-0.0865 0.0288 +/-0.0865 0.0585 pCi/g Lead-214 1.56 +/-0.100 0.0346 +/-0.100 0.0707 pCi/g Manganese-54 UI 0.00 +/-0.0272 0.0159 +/-0.0272 0.0331 pCi/g Niobium-94 U 0.0109 +/-0.0182 0.0162 +/-0.0182 0.0335 pCi/g Potassium-40 2.51 +/-0.375 0.124 +/-0.375 0.266 pCi/g Radium-226 1.41 +/-0.0972 0.0296 +/-0.0972 0.0611 pCi/g Silver-108m U -0.00514 +/-0.0191 0.0173 +/-0.0191 0.0353 pCi/g Thallium-208 1.40 +/-0.0595 0.0174 +/-0.0595 0.0359 pCi/g Rad Gas Flow Proportional Counting GFPC,Sr90, solid-ALL FSS Strontium-90 0.0327 +/ -0.00864 0.00613 +/-0.00866 0.0128 pCi/g KSD1 11/01/062100 583243 6 Rad Liquid Scintillation Analysis 37

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company : Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: November 2, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9522-01-007C Project: YANKO 1204 Sample ID: 174936002 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units

DF Analyst Date Time Batch Mtd Rad Liquid Scintillation Analysis LSC, Tritium Dist, Solid-HTD2,ALL FSS Tritium U 3.14 +/-7.71 6.23 +/-7.71 13.5 pCi/g DFAI 10/28/06 0706 583234 7 Liquid Scint C14, Solid AllFSS Carbon-14 U 0.0254 +/-0.113 0.0944 +/-0.113 0.194 pCi/g AXD2 10/27/06 2158 583236 8 Liquid Scint Fe55, Solid-ALL FSS Iron-55 U 8.48 +/-18.0 11.8 +/-18.0 24.9 pCi/g MXP1 11/01/06 1825 583239 9 Liquid Scint Ni63, Solid-ALL FSS Nickel-63 U 2.80 +/-7.02 5.78 +/-7.02 12.1 pCi/g MXP1 11/01/06 1558 583241 10 Liquid Scint Tc99, Solid-ALL FSS Technetium-99 0.321 +/-0.163 0.126 +/-0.163 0.262 pCi/g KXRI 10/31/06 2246 583233 11 The following Prep Methods were performed Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 WXL1 10/26/06 1442 583196 The following Analytical Methods were performed Method Description I DOE EML HASL-300, Am-05-RC Modified 2 DOE EML HASL-300, Pu- 11-RC Modified 3 DOE EML HASL-300, Pu- 11-RC Modified 4 DOE EML HASL-300, Pu-i 1-RC Modified 5 EML HASL 300, 4.5.2.3 6 EPA 905.0 Modified 7 EPA 906.0 Modified 8 EPA EERF C-01 Modified 9 DOE RESL Fe-1, Modified 10 DOE RESL Ni-l, Modified 11 DOE EML HASL-300, Tc-02-RC Modified 12 DOE EML HASL-300, Tc-02-RC Modified 13 DOE EML HASL-300, Tc-02-RC Modified Surrogate/Tracer recovery Test Recovery % Acceptable Limits Americium-243 Alphaspec Am241, Cm, Solid ALL 93 (15%-125%)

Plutonium-242 Alphaspec Pu, Solid-ALL FSS 91 (15%-125%)

38

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company : Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: November 2, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9522-01-007C Project: YANKO 1204 Sample ID: 174936002 Client ID: YANK00I Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Plutonium-241 Liquid Scint Pu241, Solid-ALL Fý 94 (25%-125%)

Strontium-90 GFPC, Sr90, solid-ALL FSS 100 (25%-125%)

Carrier/Tracer Recovery GFPC, Sr90, solid-ALL FSS 100 (25%-125%)

Iron-55 Liquid Scint Fe55, Solid-ALL FS 86 (15%-125%)

Nickel-63 Liquid Scint Ni63, Solid-ALL FS 90 (25%-125%)

Carrier/Tracer Recovery Liquid Scint Ni63, Solid-ALL FS 90 (25%-125%)

Technetium-99 Liquid Scint Tc99, Solid-ALL FS 113 (15%-125%)

Carrier/Tracer Recovery Liquid Scint Tc99, Solid-ALL FS 113 (15%-125%)

Notes:

The Qualifiers in this report are defined as follows

A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported

> Result is greater than value reported A The TIC is a suspected aldol-condensation product B Target analyte was detected in the associated blank BD Results are either below the MDC or tracer recovery is low C Analyte has been confirmed by GC/MS analysis D Results are reported from a diluted aliquot of the sample H Analytical holding time was exceeded J Value is estimated N/A Spike recovery limits do not apply. Sample concentration exceeds spike concentration by 4X or more R Sample results are rejected U Analyte was analyzed for, but not detected above the MDL, MDA, or LOD.

Ul Gamma Spectroscopy--Uncertain identification X Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier Y QC Samples were not spiked with this compound A RPD of sample and duplicate evaluated using +/-RL. Concentrations are <5X the RL h Preparation or preservation holding time was exceeded The above sample is reported on a dry weight basis.

39

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company Connecticut Yankee Atomic Power Address 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: November 2, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-016F Project: YANK01204 Sample ID: 174936003 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 19-OCT-06 Receive Date: 26-OCT-06 Collector: Client Moisture: 15.4%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.747 +/-0.134 0.0498 +/-0.134 0.105 pCi/g MJH1 10/31/06 0927 583389 1 Americium-241 U 0.0504 +/-0.105 0.0823 +/-0.105 0.169 pCi/g Bismuth-212 0.654 +/-0.242 0.105 +/-0.242 0.221 pCi/g Bismuth-214 0.970 +/-0.0713 0.026 +/-0.0713 0.0544 pCi/g Cesium-134 U 0.0184 +/-0.0256 0.0177 +/-0.0256 0.0372 pCi/g Cesium- 137 0.125 +/-0.0228 0.0129 +/-0.0228 0.0273 pCi/g Cobalt-60 U -0.00778 +/-0.0166 0.0131 +/-0.0166 0.0286 pCi/g Europium-152 U 0.00444 +/-0.044 0.0366 +/-0.044 0.076 pCi/g Europium-154 U -0.0216 +/-0.0534 0.0432 +/-0.0534 0.0927 pCi/g Europium-155 U 0.0674 +/-0.0698 0.0415 +/-0.0698 0.0852 pCi/g Lead-212 0.838 +/-0.0517 0.0219 +/-0.0517 0.045 pCi/g Lead-214 1.12 +/-0.0838 0.0267 +/-0.0838 0.0553 pCi/g Manganese-54 U 0.0154 +/-0.0174 0.0152 +/-0.0174 0.032 pCi/g Niobium-94 U -0.00323 +/-0.015 0.0124 +1-0.015 0.026 pCi/g Potassium-40 12.1 +/-0.758 0.140 +/-0.758 0.303 pCi/g Radium-226 0.970 +/-0.0713 0.026 +/-0.0713 0.0544 pCi/g Silver-108m U -0.00181 +/-0.0144 0.0125 +/-0.0144 0.0261 pCi/g Thallium-208 0.238 +/-0.0369 0.013 +/-0.0369 0.0273 pCi/g The following Prep Methods were performed Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 WXL1 10/26/06 1443 583196 The following Analytical Methods were performed Method Description 1 EML HASL 300, 4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

A quality control analyte recovery is outside of specified acceptance criteria Result is less than value reported 40

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company Connecticut Yankee Atomic Power Address 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: November 2, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-016F Proiect: YANKO 1204 Sample ID: 174936003 Client ID: YANKOOI Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd

> Result is greater than value reported A The TIC is a suspected aldol-condensation product B Target analyte was detected in the associated blank BD Results are either below the MDC or tracer recovery is low C Analyte has been confirmed by GC/MS analysis D Results are reported from a diluted aliquot of the sample H Analytical holding time was exceeded J Value is estimated N/A Spike recovery limits do not apply. Sample concentration exceeds spike concentration by 4X or more R Sample results are rejected U Analyte was analyzed for, but not detected above the MDL, MDA, or LOD.

UI Gamma Spectroscopy--Uncertain identification X Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier Y QC Samples were not spiked with this compound A RPD of sample and duplicate evaluated using +/-RL. Concentrations are <5X the RL h Preparation or preservation holding time was exceeded The above sample is reported on a dry weight basis.

41

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company : Connecticut Yankee Atomic Power Address 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: November 2, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-017F Proiect: YANKO 1204 Sample ID: 174936004 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 19-OCT-06 Receive Date: 26-OCT-06 Collector: Client Moisture: 18.7%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.492 +/-0.157 0.0658 +/-0.157 0.140 pCi/g MJH1 10/31/06 0927 583389 1 Americium-241 U -0.0222 +/-0.0995 0.0726 +/-0.0995 0.149 pCi/g Bismuth-212 0.424 +/-0.289 0.143 +/-0.289 0.303 pCi/g Bismuth-214 0.778 +/-0.115 0.0326 +/-0.115 0.0688 pCi/g Cesium-134 U 0.00206 +/-0.0338 0.0207 +/-0.0338 0.0438 pCi/g Cesium-137 0.168 +/-0.0358 0.0171 +/-0.0358 0.0363 pCi/g Cobalt-60 U -0.0183 +/-0.024 0.0187 +/-0.024 0.0408 pCi/g Europium-152 U -0.00147 +/-0.061 0.0498 +/-0.061 0.103 pCi/g Europium-154 U -0.0213 +/-0.0645 0.0528 +/-0.0645 0.115 pCi/g Europium-155 U 0.00598 +/-0.0551 0.0479 +/-0.0551 0.0986 pCi/g Lead-212 0.616 +/-0.0645 0.0293 +/-0.0645 0.0603 pCi/g Lead-214 0.926 +/-0.0913 0.0374 +/-0.0913 0.0776 pCi/g Manganese-54 U 0.0215 +/-0.0229 0.0202 +/-0.0229 0.0426 pCi/g Niobium-94 U 0.00767 +/-0.0209 0.0179 +/-0.0209 0.0376 pCi/g Potassium-40 9.31 +/-0.909 0.166 +/-0.909 0.366 pCi/g Radium-226 0.778 +/-0.115 0.0326 +/-0.115 0.0688 pCi/g Silver-108m U -0.00183 +/-0.0211 0.0168 +/-0.0211 0.0352 pCi/g Thallium-208 0.222 +/-0.0438 0.0192 +/-0.0438 0.0402 pCi/g The following Prep Methods were performed Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 WXL1 10/26/06 1444 583196 The following Analytical Methods were performed Method Description 1 EML HASL 300, 4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

g A quality control analyte recovery is outside of specified acceptance criteria Result is less than value reported 42

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: November 2, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0004-017F Proiect: YANK01204 Sample ID: 174936004 Client ID: YANKOO Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd

> Result is greater than value reported A The TIC is a suspected aldol-condensation product B Target analyte was detected in the associated blank BD Results are either below the MDC or tracer recovery is low C Analyte has been confirmed by GC/MS analysis D Results are reported from a diluted aliquot of the sample H Analytical holding time was exceeded J Value is estimated N/A Spike recovery limits do not apply. Sample concentration exceeds spike concentration by 4X or more R Sample results are rejected U Analyte was analyzed for, but not detected above the MDL, MDA, or LOD.

UI Gamma Spectroscopy--Uncertain identification X Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier Y QC Samples were not spiked with this compound A RPD of sample and duplicate evaluated using +/-RL. Concentrations are <5X the RL h Preparation or preservation holding time was exceeded The above sample is reported on a dry weight basis.

43

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company : Connecticut Yankee Atomic Power Address 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: November 2, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9504-0-010C Proiect: YANKO 1204 Sample ID: 174936005 Client ID: YANKOO I Matrix: TS Vol. Recv.:

Collect Date: 10-OCT-06 Receive Date: 26-OCT-06 Collector: Client Moisture: 43.4%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Rad Alpha Spec Analysis Aiphaspec Am241, Cm, Solid ALL FSS Americium-241 U 0.0682 +/-0.103 0.0315 +/-0.103 0.158 pCi/g MXA 10/30/06 1058 583311 1 1

Curium-242 U -0.046 F/-0.0403 0.0769 +/-0.0408 0.258 pCi/g Curium-243/244 U -0.10 -F/-0.0956 0.126 +/-0.0966 0.348 pCi/g Alphaspec Pu, Solid-ALL FSS Plutonium-238 U 0.0235 +/-0.087 0.0589 +/-0.087 0.197 pCi/g MXA 10/30/06 1058 583312 2 1

Plutonium-239/240 U 0.0235 F/-0.0869 0.0588 +/-0.087 0.197 pCi/g Liquid Scint Pu241, Solid-ALL FSS Plutonium-241 U 0.00 +/-6.56 5.51 +/-6.56 11.6 pCi/g MXA 11/02/06 0856 583313 3 1

Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.635 +/-0.167 0.0577 +/-0.167 0.129 pCi/g MJH1 10/31/06 0928 583389 5 Americium-241 U 0.0432 +/-0.109 0.0836 +/-0.109 0.174 pCi/g Bismuth-212 0.532 +/-0.302 0.151 +/-0.302 0.329 pCi/g Bismuth-214 0.566 +/-0.113 0.0405 +/-0.113 0.0866 pCi/g Cesium-134 UI 0.00 F/-0.0454 0.0264 +/-0.0454 0.0566 pCi/g Cesium-137 0.402 +/-0.057 0.0194 +/-0.057 0.042 pCi/g Cobalt-60 U 0.00339 +/-0.0231 0.0198 +/-0.0231 0.0448 pCi/g Europium-152 U 0.00635 +/-0.0624 0.0514 +/-0.0624 0.109 pCi/g Europium-154 U -0.00961 +/-0.0889 0.0634 +/-0.0889 0.141 pCi/g Europium-155 U 0.0463 +/-0.0667 0.0601 +/-0.0667 0.125 pCi/g Lead-212 0.655 +/-0.0666 0.0278 +/-0.0666 0.0584 pCi/g Lead-214 0.611 +/-0.108 0.038 +/-0.108 0.0804 pCi/g Manganese-54 UI 0.00 +/-0.0682 0.0185 +/-0.0682 0.0405 pCi/g Niobium-94 U -0.0145 +/-0.0248 0.0196 +/-0.0248 0.0421 pCi/g Potassium-40 10.0 +/-1.01 0.181 +/-1.01 0.414 pCi/g Radium-226 0.566 +/-0.113 0.0405 +/-0.113 0.0866 pCi/g Silver-108m U -0.0205 +/-0.0201 0.0159 +/-0.0201 0.0342 pCi/g Thallium-208 0.223 +/-0.0488 0.0181 +/-0.0488 0.0392 pCi/g Rad Gas Flow Proportional Counting GFPC,Sr90, solid-ALL FSS Strontium-90 0.0342 +/ -0.00877 0.00599 +/-0.0088 0.0126 pCi/g KSD1 11/01/06 2100 583243 6 Rad Liquid Scintillation Analysis 44

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.corn Certificate of Analysis Company : Connecticut Yankee Atomic Power Address 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: November 2, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9504-0-01OC Proiect: YANK0 1204 Sample ID: 174936005 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Rad Liquid Scintillation Analysis LSC, Tritium Dist, Solid-HTD2,ALL FSS Tritium U -0.632 +/-6.79 5.72 +/-6.79 11.9 pCi/g DFAI 11/01/06 0800 583234 8 Liquid Scint C14, Solid All,FSS Carbon-14 U 0.0868 +/-0.115 0.0942 +/-0.115 0.193 pCi/g AXD2 10/27/06 2245 583236 9 Liquid Scint Fe55, Solid-ALL FSS lron-55 U 2.22 +/-18.6 12.4 +/-18.6 26.3 pCi/g MXPI 11/01/06 1842 583239 10 Liquid Scint Ni63, Solid-ALL FSS Nickel-63 U -4.66 +/-6.33 5.51 +/-6.33 11.5 pCi/g MXP1 11/01/06 1619 583241 11 Liquid Scint Tc99, Solid-ALL FSS Technetium-99 U 0.475 +/-0.296 0.236 +/-0.296 0.486 pCi/g KXRI 10/31/06 0310 583233 12 The following Prep Methods were performed Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 WXL1 10/26/06 1444 583196 The following Analytical Methods were performed Method Description I DOE EML HASL-300, Am-05-RC Modified 2 DOE EML HASL-300, Pu-I 1-RC Modified 3 DOE EML HASL-300, Pu-I 1-RC Modified 4 DOE EML HASL-300, Pu- 11-RC Modified 5 EML HASL 300,4.5.2.3 6 EPA 905.0 Modified 7 EPA 905.0 Modified 8 EPA 906.0 Modified 9 EPA EERF C-0 1 Modified 10 DOE RESL Fe-1, Modified 11 DOE RESL Ni-i, Modified 12 DOE EML HASL-300, Tc-02-RC Modified 13 DOE EML HASL-300, Tc-02-RC Modified Surrogate/Tracer recovery Test Recovery % Acceptable Limits Americium-243 Alphaspec Am241, Cm, Solid ALL 85 (15%-125%)

Plutonium-242 Alphaspec Pu, Solid-ALL FSS 95 (15%-125%)

45

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: November 2, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9504-0-01OC Project: YANKO 1204 Sample ID: 174936005 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Plutonium-241 Liquid Scint Pu241, Solid-ALL FS 102 (25%-1 25%)

Strontium-90 GFPC, Sr90, solid-ALL FSS 84 (25%-125%)

Carrier/Tracer Recovery GFPC, Sr90, solid-ALL FSS 84 (25%-125%)

Iron-55 Liquid Scint Fe55, Solid-ALL FS 82 (15%-125%)

Nickel-63 Liquid Scint Ni63, Solid-ALL FS 93 (25%-125%)

Carrier/Tracer Recovery Liquid Scint Ni63, Solid-ALL FS 93 (25%- 125%)

Technetium-99 Liquid Scint Tc99, Solid-ALL FS 78 (15%-125%)

Carrier/Tracer Recovery Liquid Scint Tc99, Solid-ALL FS 78 (15%-125%)

Notes:

The Qualifiers in this report are defined as follows:

A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported

> Result is greater than value reported A The TIC is a suspected aldol-condensation product B Target analyte was detected in the associated blank BD Results are either below the MDC or tracer recovery is low C Analyte has been confirmed by GC/MS analysis D Results are reported from a diluted aliquot of the sample H Analytical holding time was exceeded J Value is estimated N/A Spike recovery limits do not apply. Sample concentration exceeds spike concentration by 4X or more R Sample results are rejected U Analyte was analyzed for, but not detected above the MDL, MDA, or LOD.

UJ Gamma Spectroscopy--Uncertain identification X Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier Y QC Samples were not spiked with this compound A RPD of sample and duplicate evaluated using +/-RL. Concentrations are <5X the RL h Preparation or preservation holding time was exceeded The above sample is reported on a dry weight basis.

46

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company : Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: November 2, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9504-0-013C Proeect: YANK01204 Sample ID: 174936006 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 10-OCT-06 Receive Date: 26-OCT-06 Collector: Client Moisture: 48.5%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Rad Alpha Spec Analysis Alphaspec Am241, Cm, Solid ALL FSS Americium-241 U -0.0277 +/-0.0621 0.0513 +/-0.0621 0.180 pCi/g MXA 10/30/06 1058 583311 I I

Curium-242 U 0.0786 +/-0.108 0.0396 +/-0.108 0.164 pCi/g Curium-243/244 U -0.109 +/-0.0823 0.115 +/-0.0836 0.307 pCi/g Alphaspec Pu, Solid-ALL FSS Plutonium-238 U -0.00331 +/-0.105 0.0892 +/-0.105 0.253 pCi/g MXA 10/30/06 1058 583312 2 1

Plutonium-239/240 U 0.120 +/-0.149 0.082 +/-0.150 0.239 pCi/g Liquid Scint Pu241, Solid-ALL FSS Plutonium-241 U -0.741 +/-6.61 5.58 +/-6.61 11.7 pCi/g MXA 11/02/06 0913 583313 3 1

Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.506 +/-0.193 0.0706 +/-0.193 0.151 pCi/g MJH1 10/31/06 0929 583389 5 Americium-241 U -0.00807 +/-0.113 0.0819 +/-0.113 0.169 pCi/g Bismuth-212 0.519 +/-0.319 0.151 +/-0.319 0.322 pCi/g Bismuth-214 0.717 +/-0.116 0.0427 +/-0.116 0.0896 pCi/g Cesium-134 U 0.00314 +/-0.029 0.0232 +/-0.029 0.0493 pCi/g Cesium-137 0.684 +/-0.076 0.0208 +/-0.076 0.044 pCi/g Cobalt-60 U-0.000581 +/-0.0261 0.0212 +/-0.0261 0.0462 pCi/g Europium-152 U -0.0282 +/-0.0661 0.0534 +/-0.0661 0.111 pCi/g Europium-154 U 0.0313 +/-0.076 0.0646 +/-0.076 0.140 pCi/g Europium-155 U 0.0397 +/-0.0774 0.0508 +/-0.0774 0.105 pCi/g Lead-212 0.596 +/-0.0656 0.0366 +/-0.0656 0.0753 pCi/g Lead-214 0.676 +/-0.107 0.0383 +/-0.107 0.0799 pCi/g Manganese-54 U 0.0203 +/-0.0251 0.0222 +/-0.0251 0.047 pCi/g Niobium-94 U -0.00724 +/-0.0293 0.0199 +/-0.0293 0.042 pCi/g Potassium-40 5.95 +/-0.804 0.187 +/-0.804 0.412 pCi/g Radium-226 0.717 +/-0.116 0.0427 +/-0.116 0.0896 pCi/g Silver-108m U 0.00332 +/-0.0405 0.0182 +/-0.0405 0.0383 pCi/g Thallium-208 0.180 +/-0.0485 0.0208 +/-0.0485 0.0439 pCi/g Rad Gas Flow Proportional Counting GFPC,Sr90, solid-ALL FSS Strontium-90 0.178 +/-0.0136 0.00626 +/-0.0145 0.0131 pCi/g KSD1 11/01/06 2100 583243 6 Rad Liquid Scintillation Analysis 47

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company : Connecticut Yankee Atomic Power Address 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: November 2, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9504-0-013C Project: YANK01204 Sample ID: 174936006 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Rad Liquid Scintillation Analysis LSC, Tritium Dist, Solid-HTD2,ALL FSS Tritium U -1.43 +/-6.02 5.17 +/-6.02 11.2 pCi/g DFA1 10/28/06 0738 583234 8 Liquid Scint C14, Solid AllFSS Carbon-14 U 0.190 +/-0.121 0.0969 +/-0.121 0.199 pCi/g AXD2 10/27/06 2332 583236 9 Liquid Scint Fe55, Solid-ALL FSS Iron-55 U 4.58 +/-18.8 12.4 +/-18.8 26.2 pCi/g MXPI 11/01/06 1858 583239 10 Liquid Scint Ni63, Solid-ALL FSS Nickel-63 U -3.51 +/-7.96 6.83 +/-7.96 14.3 pCi/g MXPI 11/01/06 1641 583241 11 Liquid Scint Tc99, Solid-ALL FSS Technetium-99 X 1.20 +/-0.319 0.237 +/-0.320 0.489 pCi/g KXRI 10/31/060327 583233 12 The following Prep Methods were performed Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 WXL1 10/26/06 1445 583196 The following Analytical Methods were performed Method Description I DOE EML HASL-300, Am-05-RC Modified 2 DOE EML HASL-300, Pu- I1-RC Modified 3 DOE EML HASL-300, Pu- I1-RC Modified 4 DOE EML HASL-300, Pu-11 -RC Modified 5 EML HASL 300, 4.5.2.3 6 EPA 905.0 Modified 7 EPA 905.0 Modified 8 EPA 906.0 Modified 9 EPA EERF C-01 Modified 10 DOE RESL Fe-1, Modified 11 DOE RESL Ni-i, Modified 12 DOE EML HASL-300, Tc-02-RC Modified 13 DOE EML HASL-300, Tc-02-RC Modified 14 DOE EML HASL-300, Tc-02-RC Modified Surrogate/Tracer recovery Test Recovery% Acceptable Limits Americium-243 Alphaspec Am241, Cm, Solid ALL 98 (15%-125%)

48

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: November 2, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9504-0-013C Project: YANK01204 Sample ID: 174936006 Client ID: YANKOOI Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Plutonium-242 Alphaspec Pu, Solid-ALL FSS 99 (15%-125%)

Plutonium-241 Liquid Scint Pu241, Solid-ALL FE 101 (25%-125%)

Strontium-90 GFPC, Sr90, solid-ALL FSS 95 (25%-125%)

Carrier/Tracer Recovery GFPC, Sr90, solid-ALL FSS 95 (25%-125%)

Iron-55 Liquid Scint Fe55, Solid-ALL FS 88 (15%-125%)

Nickel-63 Liquid Scint Ni63, Solid-ALL FS 86 (25%-125%)

Carrier/Tracer Recovery Liquid Scint Ni63, Solid-ALL FS 86 (25%-125%)

Technetium-99 Liquid Scint Tc99, Solid-ALL FS 79 (15%-125%)

Carrier/Tracer Recovery Liquid Scint Tc99, Solid-ALL FS 79 (15%-125%)

Notes:

The Qualifiers in this report are defined as follows

A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported

> Result is greater than value reported A The TIC is a suspected aldol-condensation product B Target analyte was detected in the associated blank BD Results are either below the MDC or tracer recovery is low C Analyte has been confirmed by GC/MS analysis D Results are reported from a diluted aliquot of the sample H Analytical holding time was exceeded J Value is estimated N/A Spike recovery limits do not apply. Sample concentration exceeds spike concentration by 4X or more R Sample results are rejected U Analyte was analyzed for, but not detected above the MDL, MDA, or LOD.

UI Gamma Spectroscopy--Uncertain identification X Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier Y QC Samples were not spiked with this compound A RPD of sample and duplicate evaluated using +/-RL. Concentrations are <5X the RL h Preparation or preservation holding time was exceeded The above sample is reported on a dry weight basis.

49

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company : Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: November 2, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0005-019F Project: YANK01204 Sample ID: 174936007 Client ID: YANKOOI Matrix: TS Vol. Recv.:

Collect Date: 23-OCT-06 Receive Date: 26-OCT-06 Collector: Client Moisture: 8.59%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.956 +/-0.140 0.0577 +/-0.140 0.125 pCi/g MJHI 10/31/06 0930 583389 1 Americium-241 U -0.0344 +/-0.0932 0.0853 +/-0.0932 0.176 pCi/g Bismuth-212 0.469 +/-0.323 0.150 +/-0.323 0.320 pCi/g Bismuth-214 0.547 +/-0.0937 0.0337 +/-0.0937 0.0717 pCilg Cesium-134 UI 0.00 +/-0.0287 0.0245 +/-0.0287 0.0518 pCi/g Cesium-137 0.128 +/-0.041 0.0183 +/-0.041 0.0391 pCi/g Cobalt-60 U 0.0143 +/-0.0233 0.0193 +/-0.0233 0.0426 pCi/g Europium-152 U -0.0255 +/-0.0562 0.0466 +/-0.0562 0.0979 pCi/g Europium-154 U -0.0349 +/-0.0722 0.0565 +/-0.0722 0.123 pCi/g Europium-155 U 0.0307 +/-0.0645 0.0594 +/-0.0645 0.122 pCi/g Lead-212 0.754 +/-0.0632 0.029 +/-0.0632 0.0601 pCi/g Lead-214 0.623 +/-0.085 0.0372 +/-0.085 0.0779 pCi/g Manganese-54 U 0.0044 +/-0.0225 0.0196 +/-0.0225 0.0417 pCi/g Niobium-94 U 0.00264 +/-0.0188 0.0164 +/-0.0188 0.0351 pCi/g Potassium-40 11.2 +/-0.971 0.126 +/-0.971 0.290 pCi/g Radium-226 0.547 +/-0.0937 0.0337 +/-0.0937 0.0717 pCi/g Silver-108m U 0.0078 +/-0.0199 0.0172 +/-0.0199 0.0363 pCi/g Thallium-208 0.265 +/-0.044 0.0179 +/-0.044 0.038 pCi/g The following Prep Methods were performed Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 WXL1 10/26/06 1445 583196 The following Analytical Methods were performed Method Description I EML HASL 300, 4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 50

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: November 2, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9520-0005-019F Proiect: YANKO 1204 Sample ID: 174936007 ClientID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd

> Result is greater than value reported A The TIC is a suspected aldol-condensation product B Target analyte was detected in the associated blank BD Results are either below the MDC or tracer recovery is low C Analyte has been confirmed by GC/MS analysis D Results are reported from a diluted aliquot of the sample H Analytical holding time was exceeded J Value is estimated N/A Spike recovery limits do not apply. Sample concentration exceeds spike concentration by 4X or more R Sample results are rejected U Analyte was analyzed for, but not detected above the MDL, MDA, or LOD.

UI Gamma Spectroscopy--Uncertain identification X Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier Y QC Samples were not spiked with this compound A RPD of sample and duplicate evaluated using +/-RL. Concentrations are <5X the RL h Preparation or preservation holding time was exceeded The above sample is reported on a dry weight basis.

51

QUALITY CONTROL DATA 52

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Reuort Date: November 2, 2006 Client : Connecticut Yankee Atomic Power Page 1 of 9 362 Injun Hollow Rd East Hampton, Connecticut

Contact:

Mr. Jack McCarthy Workorder: 174936 Parmname NOM Sample Qual QC Units RPD % REC% Range AnIst Date Time Rad Alpha Spec Batch 583311 QC 1201217370 174936001 DUP Americium-241 U 0.00136 U -0.0141 pCilg 243 (0% - 100%) 4IXAI 10/30/06 10:58 Uncert: +/-0.138 +/-0.0635 TPU: +/-0.138 +/-0.0635 Curium-242 U 0.0391 U -0.0144 pCilg 433 (0%- 100%)

Uncert: +/-0.110 +/-0.020 TPU: +/-0.110 +/-0.020 Curium-243/244 U -0.0385 U 0.0308 pCilg 1800 (0%- 100%)

Uncert: +/-0.139 +/-0.104 TPU: +/-0.140 +/-0.104 QC1201216891 LCS Americium-241 2.69 2.51 pCi/g 93 (75%-125%) 10/30/06 10:58 Uncert: +/-0.236 TPU: +/-0.371 Curium-242 U -0.00394 pCi/g Uncert: +/-0.0135 TPU: +/-0.0135 Curium-243/244 3.24 2.95 pCi/g 91 (75%-125%)

Uncert: +/-0.256 TPU: +/-0.422 QC1201216888 MB Americium-241 U -0.0169 pCi/g 10/30/06 10:58 Uncert: +/-0.0283 TPU: +/-0.0284 Curium-242 U 0.0056 pCi/g Uncert: +/-0.030 TPU: +I-0.030 Curium-243/244 U 0.0146 pCi/g Uncert: +/-0.0557 TPU: +/-0.0557 QC1201216890 174936001 MS Americium-241 13.7 U 0.00136 13.4 pCi/g 98 (75%-125%) 10/30/06 10:58 Uncert: +/-0.138 +/-1.31 TPU: +/-0.138 +/-2.08 Curium-242 U 0.0391 U 0.0528 pCi/g Uncert: +/-0.110 +/-0.0991 TPU: +/-0.110 +/-0.0993 Curium-243/244 16.5 U -0.0385 16.0 pCi/g 97 (75%-125%)

Uncert: +/-0.139 +/-1.43 TPU: +/-0.140 +/-2.41 Batch 583312 QC1201216893 174936001 DUP Plutonium-238 U -0.104 U -0.0623 pCi/g 50 (0% - 100%) dXA1 10/30/06 10:58 53

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 174936 Page 2 of 9 Parmname NOM Sample Oual OC Units RPD % REC% Ranue AnIst Date Time Rad Alpha Spec Batch 583312 Uncert: +/-0.112 +/-0.114 TPU: +/-0.113 +/-0.114 Plutonium-239/240 u -0.137 U -0.0217 pCi/g 145 (0%- 100%)

Uncert: t/-0.0631 +/-0.108 TPU: +/-0.0652 +/-0.108 QC1201216895 LCS Plutonium-238 U 0.00501 pCi/g (75%-125%) 10/30/06 10:58 Uncert: +/-0.0185 TPU: +/-0.0186 Plutonium-239/240 2.49 2.37 pCi/g 95 (75%-125%)

Uncert: +/-0.239 TPU: +/-0.334 QC1201216892 MB Plutonium-238 U -0.0011 pCi/g 10/30/06 10:58 Uncert: +/-0.0122 TPU: +/-0.0122 Plutonium-239/240 U 0.000219 pCi/g Uncert: +/-0.0119 TPU: +/-0.0119 QC1201216894 174936001 MS Plutonium-238 U -0.104 U 0.0643 pCi/g (75%-125%) 10/30/06 10:58 Uncert: +/-0.112 +/-0.142 TPU: +/-0.113 +/-0.142 Plutonium-239/240 12.6 U -0.137 12.8 pCi/g 102 (75%-125%)

Uncert: +/-0.0631 +/-1.22 TPU: +/-0.0652 +/-1.79 Batch 583313 QC1201216897 174936001 DUP Plutonium-241 U -5.01 U 1.93 pCi/g 0 (0% - 100%) 4IXA1 11/02/06 09:45 Uncert: +/-7.31 +/-8.93 TPU: +/-7.31 +/-8.93 QC1201216899 LCS Plutonium-241 35.9 27.9 pCi/g 78 (75%-125%) 11/02/06 10:18 Uncert: +/-2.66 TPU: +/-3.77 QC1201216896 MB Plutonium-241 U 4.08 pCi/g 11/02/06 09:29 Uncert: +/-8.97 TPU: +/-9.01 QC1201216898 174936001 MS Plutonium-241 141 U -5.01 124 pCi/g 88 (75%-125%) 11/02/06 10:01 Uncert: +/-7.31 +/-11.4 TPU: +/-7.31 +/-16.5 Rad Gamma Spec Batch 583389 QC1201217096 174911001 DUP Actinium-228 0.325 0.320 pCi/g 2 (0% - 100%) MJH1 10/31/06 10:33 Uncert: +/-0.119 +/-0.135

+/-0.135 54

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com OC Summary Workorder: 174936 Page 3 of 9 Parmname NOM Sample Qual QC Units RPD% REC% Range AnIst Date Time Rad Gamma Spec Batch 583389 TPU: +/-0.119 Americium-241 u 0.018 U 0.0192 pCi/g 6 (0%- 100%)

Uncert: +/-0.0921 +/-0.058 TPU: +/-0.0921 +/-0.058 Bismuth-212 0.274 UI 0.00 pCi/g 36 (0%- 100%)

Uncert: +/-0.157 +/-0.192 TPU: +/-0.157 +/-0.192 Bismuth-214 0.423 0.448 pCi/g 6 (0%- 100%)

Uncert: +/-0.070 +/-0.0781 TPU: +/-0.070 +/-0.0781 Cesium- 134 UI 0.00 UI 0.00 pCi/g 16 (0%- 100%)

Uncert: +/-0.033 +/-0.0327 TPU: +/-0.033 +/-0.0327 Cesium- 137 U 0.00 U -0.00065 pCi/g 208 (0%- 100%)

Uncert: +/-0.0281 +/-0.0206 TPU: +/-0.0281 +/-0.0206 Cobalt-60 U -0.0 13 U 0.00792 pCi/g 827 (0%- 100%)

Uncert: +/-0.0169 +/-0.0186 TPU: +/-0.0169 +/-0.0186 Europium- 152 U 0.024 U 0.0167 pCi/g 36 (0%- 100%)

Uncert: +/-0.041 +/-0.0509 TPU: +/-0.041 +/-0.0509 Europium- 154 U 0.00185 U -0.0485 pCi/g 216 (0%- 100%)

Uncert: +/-0.0495 +/-0.0647 TPU: +/-0.0495 +/-0.0647 Europium- 155 U 0.0651 U -0.033 pCi/g 612 (0%- 100%)

Uncert: +/-0.0432 +/-0.0473 TPU: +/-0.0432 +/-0.0473 Lead-212 0.285 0.346 pCi/g 19 (0%- 100%)

Uncert: +/-0.0477 +/-0.0549 TPU: +/-0.0477 +/-0.0549 Lead-214 0.402 0.419 pCi/g 4 (0%- 100%)

Uncert: +/-0.0695 +/-0.0777 TPU: +/-0.0695 +/-0.0777 Manganese-54 U 0.000309 U 0.014 pCi/g 191 (0%- 100%)

Uncert: +/-0.0169 +/-0.0173 TPU: +/-0.0169 +/-0.0173 Niobium-94 U 0.00718 U 0.0089 pCi/g 21 (0%- 100%)

Uncert: +/-0.0145 +/-0.0158 TPU: +/-0.0145 +/-0.0158 Potassium-40 7.04 7.61 pCi/g 8 (0%- 20%)

Uncert: +/-0.674 +/-0.836 TPU: +/-0.674 +/-0.836 Radium-226 0.423 0.448 pCi/g 6 (0%- 100%)

Uncert: +/-0.070 +/-0.0781 TPU: +/-0.070 +/-0.0781 Silver-108m U 0.00582 U -0.00782 pCi/g 1360 (0%- 100%)

Uncert: +/-0.0134 +/-0.0162 55

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 174936 Page 4 of 9 Parmname NOM Sample Qual QC Units RPD % REC% Range AnIst Date Time Rad Gamma Spec Batch 583389 TPU: +/-0.0134 +/-0.0162 Thallium-208 0.107 0.108 pCig 2 (0%- 100%)

Uncert: +/-0.031 +/-0.036 TPU: +/-0.031 +/-0.036 QC1201217097 LCS Actinium-228 U 0.166 pCilg 10/31/06 10:56 Uncert: +/-0.579 TPU: +/-0.579 Americium-241 23.4 25.2 pCilg 108 (75%-125%)

Uncert: +/-1.33 TPU: +/-1.33 Bismuth-212 U 0.169 pCilg Uncert: +/-0.989 TPU: +/-0.989 Bismuth-214 U 0.208 pCi/g Uncert: +/-0.235 TPU: +/-0.235 Cesium- 134 U 0.0196 pCilg Uncert: +/-0.149 TPU: +/-0.149 Cesium-137 9.54 10.1 pCi/g 106 (75%-125%)

Uncert: +/-0.474 TPU: +/-0.474 Cobalt-60 14.2 14.4 pCi/g 101 (75%-125%)

Uncert: +/-0.640 TPU: +/-0.640 Europium- 152 U -0.0221 pCilg Uncert: +/-0.301 TPU: +/-0.301 Europium- 154 U -0.0891 pCi/g Uncert: +/-0.300 TPU: +/-0.300 Europium- 155 U 0.246 pCi/g Uncert: +/-0.296 TPU: +/-0.296 Lead-212 U 0.0927 pCilg Uncert: +/-0.160 TPU: +/-0.160 Lead-214 U -0.0668 pCilg Uncert: +/-0.216 TPU: +/-0.216 Manganese-54 U 0.0637 pCilg Uncert: +/-0.141 TPU: +/-0.141 Niobium-94 U -0.0941 pCilg Uncert: +/-0.131 TPU: +/-0.131 Potassium-40 U 0.512 pCilg 56

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 174936 Page 5 of 9 Parmname NOM Samole Oual OC Units RPD% REC% Ranee AnIst Date Time Rad Gamma Spec Batch 583389 Uncert: +/-1.01 TPU: +/-1.01 Radium-226 U 0.208 pCi/g (75%-125%)

Uncert: +/-0.235 TPU: +/-0.235 Silver- 108m U 0.00145 pCi/g Uncert: +/-0.116 TPU: +/-0.116 Thallium-208 U 0.109 pCi/g Uncert: +/-0.124 TPU: +/-0.124 QC 1201217095 MB Actinium-228 U 0.017 pCi/g 10/31/06 09:31 Uncert: +/-0.0424 TPU: +/-0.0424 Americium-241 U 0.00734 pCi/g Uncert: +/-0.0106 TPU: +/-0.0106 Bismuth-212 U 0.000324 pCi/g Uncert: +/-0.0883 TPU: +/-0.0883 Bismuth-214 U 0.0233 pCi/g Uncert: +/-0.033 TPU: +/-0.033 Cesium- 134 UI 0.00 pCi/g Uncert: +/-0.0377 TPU: +/-0.0377 Cesium-137 U -0.00239 pCi/g Uncert: +/-0.0102 TPU: +/-0.0102 Cobalt-60 U 0.0115 pCi/g Uncert: +/-0.0112 TPU: +/-0.0112 Europium- 152 U -0.00208 pCi/g Uncert: +/-0.0274 TPU: +/-0.0274 Europium- 154 U 0.0176 pCi/g Uncert: +/-0.030 TPU: +/-0.030 Europium- 155 U 0.00314 pCi/g Uncert: +/-0.0186 TPU: +/-0.0186 Lead-212 U 0.0227 pCi/g Uncert: +/-0.0166 TPU: +/-0.0166 pCi/g Lead-214 UI 0.00 Uncert: +/-0.0396 TPU: +/-0.0396 57

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 174936 Page 6 of 9 Parmname NOM Sample Qual QC Units RPD% REC% Range Anist Date Time Rad Gamma Spec Batch 583389 Manganese-54 U -0.00543 pCi/g Uncert: +/-0.0113 TPU: +/-0.0113 Niobium-94 U 0.00493 pCi/g Uncert: +/-0.0109 TPU: +/-0.0109 Potassium-40 U 0.356 pCi/g Uncert: +/-0.179 TPU: +/-0.179 Radium-226 U 0.0233 pCi/g Uncert: +/-0.033 TPU: +/-0.033 Silver- 108m U -0.00346 pCilg Uncert: +/-0.00831 TPU: +/-0.00831 Thallium-208 U 0.0108 pCilg Uncert: +/-0.0183 TPIJ: +/-0.0183 Rad Gas Flow Batch 583243 QC1201216718 174936001 DUP Strontium-90 0.0263 0.0557 pCi/g 72 (0% - 100%) KSD1 11/02/06 09:35 Uncert: +/-0.0109 +/-0.019 TPU: +/-0.011 +/-0.019 QC1201216720 LCS Strontium-90 1.64 1.34 pCi/g 82 (75%-125%) 11/02/06 09:35 Uncert: +/-0.0863 TPU: +/-0.0946 QC1201216717 MB Strontium-90 0.0333 pCi/g 11/02/06 09:35 Uncert: +/-0.0137 TPU: +/-0.0137 QC1201216719 174936001 MS Strontium-90 5.18 0.0263 4.66 pCi/g 89 (75%-125%) 11/02/06 09:35 Uncert: +/-0.0109 +/-0.304 TPU: +/-0.011 +/-0.330 Rad Liquid Scintillation Batch 583233 QC1201216690 174936001 DUP Technetium-99 U 0.320 U 0.321 pCi/g 0 (0% - 100%) KXR1 10/31/06 04:00 Uncert: +/-0.221 +/-0.291 TPU: +/-0.221 +/-0.291 QC1201216692 LCS Technetium-99 13.0 12.9 pCi/g 99 (75%-125%) 10/31/06 04:32 Uncert: +/-0.501 TPU: +/-0.601 QC1201216689 MB Technetium-99 U 0.047 pCi/g 10/31/06 03:43 58

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 174936 Page 7 of 9 e

Parmname NOM Sample Qual QC Units RPD % REC% Range Anist Date Time Rad Liquid Scintillation Batch 583233 Uncert: +/-0.238 TPU: +/-0.238 QC1201216691 174936001 MS Technetium-99 13.1 U 0.320 12.5 pCi/g 96 (75%-125%) 10/31/06 04:16 Uncert: +/-0.221 +/-0.543 TPU: +/-0.221 +/-0.631 Batch 583234 QC1201216694 174936001 DUP Tritium U 3.72 U -6.31 pCi/g 0 (0% - 100%) DFAI 10/28/06 08:10 Uncert: +/-5.94 +/-6.86 TPU: +/-5.94 +/-6.86 QC1201216696 LCS Tritium 51.5 45.3 pCi/g 88 (75%-125%) 10/28/06 08:42 Uncert: +/-8.97 TPU: +/-9.01 QC1201216693 MB Tritium U -0.82 pCi/g 10/28/06 07:54 Uncert: +/-5.74 TPU: +/-5.74 QC1201216695 174936001 MS Tritium 60.3 U 3.72 48.1 pCi/g 80 (75%-125%) 10/28/06 08:26 Uncert: +/-5.94 +/-10.1 TPU: +/-5.94 +/-10.1 Batch 583236 QC1201216702 174936001 DUP Carbon- 14 U 0.179 U 0.0712 pCi/g 0 (0% - 100%) 'XD2 10/28/06 01:06 Uncert: +/-0.112 +/-0.108 TPU: +/-0.112 +/-0.108 QC1201216704 LCS Carbon- 14 6.78 6.63 pci/g 98 (75%-125%) 10/28/06 02:40 Uncert: +/-0.229 TPU: +/-0.251 QC1201216701 MB Carbon- 14 U 0.0836 pCi/g 10/28/06 00:19 Uncert: +/-0.109 TPU: +/-0.109 QC1201216703 174936001 MS Carbon- 14 7.17 U 0.179 6.59 pCi/g 92 (75%-125%) 10/28/06 01:53 Uncert: +/-0.112 +/-0.237 TPU: +/-0.112 +/-0.258 Batch 583239 QC1201216710 174936001 DUP Iron-55 U 14.2 U -3.35 pCi/g 0 (0% - 100%) \4XP1 11/01/06 19:15 Uncert: +/-19.7 +/-19.4 TPU: +/-19.7 +/-19.4 QC1201216712 LCS Iron-55 57.2 54.5 pCi/g 95 (75%-125%) 11/01/06 19:47 Uncert: +/-3.71 TPU: +/-5.38 59

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 174936 Page 8 of 9 Parmname NOM Sample Oual OC Units RPD% REC% Ran2e AnIst Date Time Rad Liquid Scintillation Batch 583239 QC1201216709 MB Iron-55 U -0.337 pCi/g 11/01/06 16:51 Uncert: +/-1.02 TPU: +/-1.02 QC1201216711 174936001 MS Iron-55 611 U 14.2 593 pCi/g 97 (75%-125%) 11/01/06 19:31 Uncert: +/-19.7 +/-37.3 TPU: +/-19.7 +/-58.7 Batch 583241 QC1201216714 174936001 DUP Nickel-63 U -0.799 U 0.571 pCi/g 0 (0% - 100%) VIXP1 11/01/06 17:24 Uncert: +/-7.83 +/-7.52 TPU: +/-7.83 +/-7.52 QC1201216716 LCS Nickel-63 179 160 pCi/g 90 (75%-125%) 11/01/06 18:07 Uncert: +/-6.78 TPU: +/-8.10 QC1201216713 MB Nickel-63 U 1.12 pCi/g 11/01/06 17:02 Uncert: +/-2.38 TPU: +/-2.38 QC1201216715 174936001 MS Nickel-63 535 U -0.799 448 pCi/g 84 (75%-125%) 11/01/06 17:45 Uncert: +/-7.83 +/-19.0 TPU: +/-7.83 +/-24.7 Notes:

The Qualifiers in this report are defined as follows:

A quality control analyte recovery is outside of specified acceptance criteria Result is less than value reported Result is greater than value reported A The TIC is a suspected aldol-condensation product B Target analyte was detected in the associated blank BD Results are either below the MDC or tracer recovery is low C Analyte has been confirmed by GC/MS analysis D Results are reported from a diluted aliquot of the sample H Analytical holding time was exceeded J Value is estimated N/A Spike recovery limits do not apply. Sample concentration exceeds spike concentration by 4X or more R Sample results are rejected U Analyte was analyzed for, but not detected above the MDL, MDA, or LOD.

UI Gamma Spectroscopy--Uncertain identification X Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier Y QC Samples were not spiked with this compound RPD of sample and duplicate evaluated using +/-RL. Concentrations are <5X the RL 60

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 174936 Page 9 of 9 Parmname NOM Sample Qual QC Units RPD % REC% Range Anist Date Time A

h Preparation or preservation holding time was exceeded N/A indicates that spike recovery limits do not apply when sample concentration exceeds spike conc. by a factor of 4 Or more.

- Indicates analyte is a surrogate compound.

A The Relative Percent Difference (RPD) obtained from the sample duplicate (DUP) is evaluated against the acceptence criteria when the sample is greater than five times (5X) the contract required detection limit (RL). In cases where either the sample or duplicate value is less than 5X the RL, a control limit of +/- the RL is used to evaluate the DUP result.

For PS, PSD, and SDILT results, the values listed are the measured amounts, not final concentrations.

Where the analytical method has been performed under NELAP certification, the analysis has met all of the requirements of the NELAC standard unless qualified on the QC Summary.

61

CENTRAL PENINSULA SURVEY UNIT 9520-0004 RELEASE RECORD ATTACHMENT 4 (DQA RESULTS)

CENTRAL PENINSULA SURVEY UNIT 9520-0004 RELEASE RECORD ATTACHMENT 4A (PRELIMINARY DATA REVIEW)

PRELIMINARY DATA REVIEW FORM Survey Unit : 9520-0004 Survey Unit Name: Southwest Site Storage area Classification : I Survey Media: Soil Type of Survey: Final Status Survey Type of Measurement: Radionuclide Specific lumber of Measurements :

BASIC STATISTICAL QUANTITIES Cs-137 Target Level (pCi/g): 5.38E+00 Minimum Value: -9.59E-03 Maximum Value : 1.20E-01 Mean: 4.64E-02 Median : 4.11 E-02 Standard Deviation : 2.79E-02 Reported Results Cs-137 Fraction of Concentration Target Sample Identification (pCi/g) Detect? Level 9520-0004-001 F 3.19E-02 0.006 9520-0004-002F 2.85E-02 + 0.005 9520-0004-003F 3.94E-02 + 0.007 9520-0004-004F 5.92E-02 + 0.011 9520-0004-005F 3.15E-02 + 0.006 9520-0004-006F -9.59E-03 9520-0004-007F 3.22E-02 + 0.006 9520-0004-008F 5.20E-02 + 0.010 9520-0004-009F 4.11E-02 + 0.008 9520-0004-01 OF 3.46E-02 + 0.006 9520-0004-011F 5.69E-02 + 0.011 9520-0004-012F 1.20E-01 + 0.022 9520-0004-013F 7.37E-02 + 0.014 9520-0004-014F 4.71E-02 + 0.009 9520-0004-015F 5.71 E-02 + 0.011

"/ // -3A 1, Submitted by/Date 1 of 1 1Jf

CENTRAL PENINSULA SURVEY UNIT 9520-0004 RELEASE RECORD ATTACHMENT 4B (GRAPHICAL REPRESENTATION OF DATA)

FREQUENCY PLOT FOR CESIUM-137 Survey Unit: 9520-0004 Survey Unit Name: Southwest Site Storage Area Mean: 4.64E-02 pCi/g Frequency Plot For Cs-137 10 8

S6 U."

4)

U-2 0,

-9.59E-03 2.04E-02 5.04E-02 8.04E-02 1.10E-01 1.40E-01 Upper End Value (pCi/g)

Upper.End Observation Observation Value Frequency Frequency

-9.59E-03 1 7%

2.04E-02 0 0%

5.04E-02 8 53%

8.04E-02 5 33%

1.10E-01 0 0%

1.40E-01 1 7%

Total: 15 100%

Submitted by/Date 1 Reviewed by/Date 1 of 1

QUANTILE PLOT FOR CESIUM-137 Survey Unit: 9520-0004 Survey Unit Name: Southwest Site Storage Area Mean: 4.64E-02 pCi/g Quantile Plot For Cs-137 1.40E 1.20E-01 -- - - --

1.O0E-01 -

C8.00E-02

.2 6.OOE-02 - -

0 4.00E-02 [

2.OOE-02 O.OOE+00 -

0 20 40 60 80 100 Percentage Cs-137 Rank Percentage

-9.59E-03 1 3%

2.85E-02 2 10%

3.15E-02 3 17%

3.19E-02 4 23%

3.22E-02 5 30%

3.46E-02 6 37%

3.94E-02 7 43%

4.11E-02 8 50%

4.71E-02 9 57%

5.20E-02 10 63%

5.69E-02 11 70%

5.71E-02 12 77%

5.92E-02 13 83%

7.37E-02 14 90%

1.20E-01 15 97%

ýr*-/" orw, X7-4" .0/ /e/f Submitted by/Date /'

Reviewed by/Date

CENTRAL PENINSULA SURVEY UNIT 9520-0004 RELEASE RECORD ATTACHMENT 4C (SIGN TEST)

Connecticut Yankee Decommissioning Project GPP-GGGR-R5]121-001 Attachment A, Health Physics Procedure Rev CY-001 MAJOR Sign Test Calculation Sheet For A Single Radionuclide or Gross Activity Measurements Survey Area Number: 9520 Survey Unit Number: 0004 Survey Area Name: Southwest Site Storage Area WPIR#: 2006-0038 Classification: I Type I (a error): 0.05 (N): 15 Radionuclide: Cs-137 DCGL: 5.38 Results (pCi/g) DCGL - Results Sign 3.19E-02 5.35E+00 1 2.85E-02 5.35E+00 3.94E-02 5.34E+00 1 5.92E-02 5.32E+00 I 3.15E-02 5.351E+00 1

-9.59E-03 5.39E+00 I 3.22E-02 5.35E+00 1 5.20E-02 5.33E+00 1 4.11E-02 5.34E+00 1 3.46E-02 5.35E+00 I 5.69E-02 5.32E+00 I 1.20E-01 5.26E+00 1 7.37E-02 5.3 1E+00 1 4.71E-02 5.33E+00 1 5.71 E-02 5.32E+00 Number of positive differences (S+): 15 Critical Value: 11 Survey Unit Meets Acceptance Criterion Performed by: *e 5 Date: /,A/06.

Independent Review b : Date: 11131 o P age 1 of 1

CENTRAL PENINSULA SURVEY UNIT 9520-0004 RELEASE RECORD ATTACHMENT 4D (QC SPLIT RESULTS)

Health Physics Procedure 24265-000-GPP-GGGR-R5124-000-Rev.CY-000 4OO-e.YOOAtcmn Attachment A HelhPyisPoeue246-0-P-GRR" Split Sample Assessment Form Survey Area#: 9520 Survey Unit #: 0004 Survey Unit name: Southwest Site Storage Area Sample Plan or WPIR#: 2005-0038 SML#: 9520-0002-004 Sample

Description:

Comparison of split samples collected from sample measurement location #4 and analyzed using gamma spectroscopy by off-site Vendor Laboratory. The standard sample was 9520-0004-004F, the comparison sample was 9520-0004-004FS.

STANDARD COMPARISON Radionuclide Activity Standard Resolution Agreement Activity Standard Comparison Acceptable Value Error Range Value Error Ratio (YIN)

K-40 12.0 4.22E-1 28 0.75- 1.33 11.8 4.93E-1 0.98 Y Comments/Corrective Actions: Not enough Cs-137 to Table is provided to show acceptance criteria evaluate used to assess split samples.

Resolution Agreement Range 4-7 0.5 -2.0 8-15 0.6-1.66 16-50 0.75-1.33 51 -200 0.80 -1.25

>200 0.85 -1.18 Performed By: Date +ed B Date:

/ I 11d 1113/0(

6-- U Page 1 of 1

Health Physics Procedure 24265-000-GPP-GGGR-R5124-000-Rev.CY-000 Attachment A Health Physics Procedure 24265-000-GPP-GGGR-R5 I 24-000-Rev.CY-000 Attachment A Split Sample Assessment Form Survey Area#: 9520 Survey Unit #: 0004 Survey Unit name: Southwest Site Storage Area Sample Plan or WPIR#: 2005-0038 SML#: 9520-0004-012 Sample

Description:

Comparison of split samples collected from sample measurement location #12 and analyzed using gamma spectroscopy by off-site Vendor Laboratory. The standard sample was 9520-0004-012F, the comparison sample was 9520-0004-012FS.

STANDARD COMPARISON Comments/Corrective Actions: N/A used to assess split samples.

Resolution Agreement Range 4-7 0.5-2.0 8-15 0.6 -1.66 16-50 0.75-1.33 51 -200 0.80-1.25

>200 0.85 -1.18 Performed By: Date -5'---I evi d y Da

(__'N Page 1 of 1

CENTRAL PENINSULA SURVEY UNIT 9520-0004 RELEASE RECORD ATTACHMENT 4E (COMPASS DQA WITH POWER CURVE)

DQA Surface Soil Report Assessment Summary Site: 9520-0004 FSS Planner(s): McCarthy C "

Survey Unit Name: Southwest Site Storage Area Report Number: 1 Survey Unit Samples: 15 Reference Area Samples: 0 Test Performed: Sign Test Result: Not Performed Judgmental Samples: 0 EMC Result: Not Performed Assessment

Conclusion:

Reject Null Hypothesis (Survey Unit PASSES)

Retrospective Power Curve 1

A=0.9 U° 0.8 A-0.7 0.6 U=0.5 0.4 0.3 0.2 0.1 0

0 1 2 3 4 5 6 Sail Concetratiom (pCi/g), inchulbg backgxvuud Prospective Power U 1-beta .... Actual Power LBGR - - Estimated Power DCGL --- Retrospective Power COMPASS vl.0.0 111912006 Page1I

DQA Surface Soil Report Survey Unit Data NOTE: Type = "S" indicates survey unit sample.

Type = "R" indicates reference area sample.

Sample Number Type Cs-137 (pCi/g) 9520-0004-001 F S 0.03 9520-0004-002F S 0.03 9520-0004-003F S 0.04 9520-0004-004F S 0.06 9520-0004-005F S 0.03 9520-0004-006F S -0.01 9520-0004-007F S 0.03 9520-0004-008F S 0.05 9520-0004-009F S 0.04 9520-0004-01 OF S 0.03 9520-0004-011 F S 0.06 9520-0004-012F S 0.12 9520-0004-013F S 0.07 9520-0004-014F S 0.05 9520-0004-015F S 0.06 Basic Statistical Quantities Summary Statistic Survey Unit Background DQO Results Sample Number 15 N/A N=15 Mean (pCi/g) 0.05 N/A 0.06 Median (pCi/g) 0.04 N/A N/A Std Dev (pCi/g) 0.03 N/A 0.0551 High Value (pCi/g) 0.12 N/A N/A Low Value (pCi/g) -0.01 N/A N/A COMPASS v1.0.0 11/9/2006 Page 2

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