ML073130439

Final Status Survey, Final Report Phase VI, Appendix A16, Survey Unit Release Record 9539-0002, ISFSI Haul Road

ML073130439
Person / Time
Site:	Haddam Neck File:Connecticut Yankee Atomic Power Co icon.png
Issue date:	02/28/2007
From:	Connecticut Yankee Atomic Power Co
To:	NRC/FSME
References
Download: ML073130439 (143)

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Final Status Survey Final Report Phase VI Ape x A 16 Survey Unit Release Record 9539°0002, ISF$I Haul Road February 2007 C7

CYAPCO FINAL STATUS SURVEY RELEASE RECORD ISFSI HJAUL ROAD (SOU [HERN SECTION)

SURVEY UN.T 9539-0002 Prepared B_ Date: 1*/6 P- -7 FSS F ii~er Date: ________

Reviewed By:

RFEngineer Approved By: j_ Spo.la..ger Date: d/i

• Tec/hnical Support Manager Revision 0

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SURVEY UNIT 9539-0002 RELEASE RECORD TABLE OF CONTENTS

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

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

3. DATA QUALITY OBJECTIVES (DQO) .......................................... 6

4. SU RV EY D ESIGN ............................................................................. 9

5. SURVEY IMPLEMENTATION ....................................................... 12

6. SURVEY RESULTS .................................. 13

7. QUALITY CONTROL .................................................................... 18

8. INVESTIGATIONS AND RESULTS ............................................. 18

9. REMEDIATION AND RESULTS .................................................... 18

10. CHANGES FROM THE FINAL STATUS SURVEY PLAN ...... 19

11. DATA QUALITY ASSESSMENT (DQA) ...................................... 19

12. AN O M A L IE S .................................................................................... 20

13. C O N CLU SIO N ................................................................................ 20

14. A TTA CH M EN TS ............................................................................. 21 14.1 Attachment 1 - Figures (8 pages including cover) 14.2 Attachment 2 - Scan Results (6 pages including cover) 14.3 Attachment 3 - Laboratory Data (93 pages including cover) 14.4 Attachment 4 - DQA Results (13 pages including covers)

TOTAL 141 Revision 0

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1. SURVEY UNIT DESCRIPTION Survey Unit 9539-0002, which encompasses the southern portion of the access road to the Independent Spent Fuel Storage Installation (ISFSI) and the Southeast Landfill Area is designated as Final Status Survey (FSS) Class 2 and consists of approximately seven thousand two hundred ninety-three (7,293) square meters of open land and is located approximately three thousand two hundred two feet (3,202) feet from the reference coordinate system benchmark used at Haddam Neck Plant (HNP) (see Attachment 1).

The survey unit is an open land area located along, the east shore of the Discharge Canal from the non-protected area southeast grounds of the site to the ISFSI vehicle barrier. The survey area is a narrow strip of land encompassing the access road and twenty-five (25) feet on both sides of the road. A minimal amount of brush and trees remain in the survey area. The area topography consists mostly of steep, rocky or vegetated hillsides. A majority of the trees have been cleared for the construction of the access road. The ISFSI access or "Haul" road crosses north to south through this survey unit.

The survey unit is bounded as follows: land Survey Unit 9539-0001 to the north (called north as oriented with the north to south flow of the Connecticut River),

the Discharge Canal to the west and land Survey Unit 9532 to the east and to the south.

Work activities to support the ISFSI access road construction have occurred in this survey unit. These activities included tree and stump removal, silt fence installation, soil removal, grading and rock blasting. Grading the hillside has left some locations displaying a steeper incline than was previously the case.* Rock shelves and outcroppings were located along the hillside, especially in the east and south. There are occasional voids along the access road where the grading process has stripped away underlying rock The reference coordinates associated with this survey unit are E014 through E020 by S096 through S 105 (refer to "HNP 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 9539-0002 consisted of:

a) A review of the 10CFR5O.75 (g) (1) database, Revision 0 3

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SURVEY UNIT 9539-0002 RELEASE RECORD b) A review of the "InitialCharacterizationReport" and the "HistoricSite Assessment Supplement,"

c) Historic and current survey records review, d) Visual.inspections and a "walk-down."

A review of the "Initialand Supplemental CharacterizationReports" as well as the previous "Classification Basis Summaries" was performed. Survey Area 9539 was previously designated as Survey Area 9528. Survey Unit 9539-0002 is the southern portion of Survey Area 9539 and includes the former Survey Unit 9528-0004 and a portion of 9528-0003. Survey Area 9528 was initially designated as Class 3 during the development of the LTP. The source documents, the "Connecticut Yankee Haddam Neck CharacterizationReport" and "Initial Classifica'tion for Survey Areas at Connecticut Yankee", were incorporated by reference in LTP revision 0.

The second source document justified a Class 2 designation for those areas for which there was historical evidence of contamination above the Derived Concentration Guideline Levels (DCGL), but for which recent surveys had shown that decontamination efforts had occurred and that the radiological conditions were expected to be below the DCGLs. Additional justification for a Class 2 designation based on survey and sampling data was provided as another reference to the LTP by the "Haddam Neck Plant HistoricalSite Assessment Supplement".

The historical documents (e.g., the 10CFR50.75(g)(1) files) identify a number of events that may have impacted this survey unit. In the past, the public was granted access to this area for recreational purposes (e.g. hiking). Typical debris and litter (soda bottles, fishing line, etc.) were found in the area. From time to time, 55-gallon drum trash containers were positioned along the Canal Road to collect and control litter.

In December of 2001, scan surveys in an area along the road indicated the possible deposition of radioactive material in an unauthorized location (CR 01-0490). In March of 2002, investigative soil sampling was performed in the area where elevated scan results were observed. The soil sample results identified low-level plant-related radioactive material (Co-60). The presence of Co-60 was not expected as this area was previously identified as Survey Unit 9528-000, a Class 3 area (CR 02-0125).

Although measurement results were very low relative to the DCGL, soil containing the Cobalt-60 was removed from the area as a prudent measure.

Approximately twenty-five (25) cubic meters of soil were removed for disposal as waste. Post excavation soil sample analysis results did not identify any remaining residual activity. Based on the findings of the survey and the subsequent remediation, Survey' Unit 9528-0000 was reclassified as a Class 2 open land area. In accordance with the survey unit size limitations in the License Termination Plan (LTP), Survey Unit 9528-0000 was subdivided into three (3) new survey units designated as 9528-0002, 9528-0003 and 9528-0004.

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SURVEY UNIT 9539-0002 RELEASE RECORD Low-level licensed material from the plant and the Offsite Material Recovery Program (OMRP) utilized the canal roads as a route to the Southeast Landfill and Material Storage areas. Sample data associated with the OMRP identified two (2) Hard-to-Detect (HTD) radionuclides meeting the accepted criteria for detection (i.e., a result greater than two (2) standard deviations uncertainty).

However, the reported concentrations of Ni-63 and Fe-55 were a very low fraction of the applicable Base Case Derived Concentration Guideline Level (DCGL) for soil (<1%). Other radionuclides were not expected to be present in any significant percentage of their DCGL.

In July of 2002, Survey Units 9528-0002, 9528-0003 and 9528-0004 were subjected to FSS under Work Plan and Inspection Record (WP&IR) 24265-000-GEN-0002-00104-000. FSS consisted of surface soil samples and scan measurements. Scan surveys were performed with an Eberline E-600 using a SPA-3, 2"x2" sodium iodide detector.

Fifteen (15) surface soil samples were collected from each of the three (3) survey units contained within Survey Area 9528. During scanning, several areas were identified with slightly elevated readings, which prompted the collection of additional investigation soil samples from these areas. All samples were collected and analyzed by gamma spectroscopy by an approved off-site laboratory. Nine (9) of the forty-nine (49) total samples collected were analyzed for "Hard-to-Detect" (HTD) radionuclides. Cs-137 and Co-60 were the primary radionuclides detected in the sample population. No HTD radionuclides were positively identified. FSS results from 2002 demonstrated that all three (3) survey units were acceptable for unrestricted release. The sample analysis results from the 2002 FSS survey are provided in Table 1.

TabletI - SamplehAnalysis Results from 2OO2 'FSS Soil Samples Mnm:-20 Co-600 Minimum Value: -2.02E-02 -1.37E+/-00 Maximum Value: 1.20E+00 6.3 1E-01 Mean: 2.59E-01 7.84E-03 Median: 1.04E-01 3.38E-03 Standard Deviation: 3.05E-01 2.19E-01 In 2006, a decision was made to reuse milled asphalt media by using the material to grade, build and repair the ISFSI haul road. The asphalt was a byproduct of demolition activities in various areas of the site. The material had been stock-piled awaiting disposal. Prior to introducing the material into the survey area, volumetric samples were taken and analyzed by gamma spectroscopy. Low levels of Cs-i137 and Co-60 were detected. However, as the origin of the material was from impacted areas and the volumetric samples were not completely Revision 0 5

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SURVEY UNIT 9539-0002 RELEASE RECORD representative of all the material that was deposited, the previously performed FSS in Survey Area 9528 was invalidated. Survey Area 9528 was subsequently renamed as Survey Area 9539 to support the resurvey.

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 a review of the historical information and the results of the Characterization Survey data, it was concluded that there was a low probability for residual radioactivity in concentrations greater than the DCGLs, justifying a final survey unit classification of Class 2 (refer to Section 3).

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 would 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 9539-0002 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.

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SURVEY UNIT 9539-0002 RELEASE RECORD 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 I shows the mathematical relationship between the three (3) components and the total dose.

Equation I HTotal =Hso 0 i +HExisingGW +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 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.

CY memo ISC 06-024 addresses the impact of existing and future groundwater on specific survey areas at CY. Survey Area 9539 is not specifically addressed by this reference. However, CY memo ISC 06-024 does state that Survey Area 9528 is affected by existing groundwater and is not considered impacted by future groundwater radioactive contamination, as there are no concrete foundations or footings remaining within the groundwater saturated zone in the area.

Since Survey Area 9528 became Survey Unit 9539, the dose contribution from existing and future groundwater will impact Survey Area 9539 in the same manner as it did Survey Area 9528. Therefore the dose contribution from existing groundwater in Survey Unit 9539 is bounded by two (2) mrem/yr TEDE and the dose contribution from future groundwater, the third dose component, is zero (0) mrem/yr TEDE.

Equation 2 19 mrem/yrTotal = 17 mrem/yrsoil + 2 mremlyrExisting Gw+ 0 mrem/yrFutureGW The allowable dose for soil in this survey unit is seventeen (1-7) 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 (DCGLop), and has been established for the radionuclides of concern as provided in Table 2.

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~Table22- R~adionuclide Specific Base Case Soil DCG';I-s, Operational DCG~s and

~Required Minimium Detectable ConcentratIions (MDCs)

Radionuclide (1 Base Case Soii B Operational DCGL RequiiredVMDC

__________ DCGL (IC/g2) qwg (3) (PC/g) (4 H-3 4.12E+02 2.80E+02 1.65E+01 C-14 5.66E+00 3.85E+00 2.26E-01 Mn-54 1.74E+01 1.18E+01 6.96E-01 Fe-55 2.74E+04 1.86E+04 1.1OE+03 Co-60 3.81E+00 2.59E+00 1.52E-01 Ni-63 7.23E+02 4.92E+02 2.89E+01 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+0 1 8.57E+00 5.04E-0 1 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-01 Eu- 154 9.29E+00 6.32E+00 3.72E-01 Eu- 155 3.92E+02 2.67E+02 1.57E+01 Pu-238 2.96E+01 2.01 E+01 1.1 8E+00 Pu-239/240 2.67E+01 1.82E+01 1.07E+00 Am-241 (5 2.58E+01 1.75E+01 1.03E+00 Pu-241 8.70E+02 5.92E+02 3.48E+01 Cm-243/244 2.90E+0 I 1.97E+01 1..16E+00 (1) Bold indicates those radionucldies considered Hard to Detect (HTD)

(2) The Base Case Soil DCGL(s) are specified by the LTP in Chapter 6 and are equivalent to twenty-five (25) mrem/yr TEDE (3) The Operational DCGL is equivalent to achieving seventeen (17) mrem/yr TEDE (4) The required MDC is equivalent to achieving one (1) 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 Revision 0 8

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SURVEY UNIT 9539-0002 RELEASE RECORD Another important facet of the DQO process is to identify the radionuclides of concern and determine the concentration variability. Soil samples were collected in 2002 as part of the previous FSS to establish the radiological condition of Survey Unit 9539-0002. Cs-137 and Co-60 were the only two (2) gamma emitting radionuclides reported in concentrations with the potential for exceeding the screening criteria. No HTD radionuclides were positively identified. The previous FSS data were used for this 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, "Preparationof 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.

The DQO process determined that both Cs-137 and Co-60 would be the radionuclides of concern in Survey Unit 9539-0002 (refer to Section 3).. The characterization survey did not identify any HTD radionuclides of concern for this survey unit. Subsequently, surrogate DCGLs were not required for this survey unit via screening under LTP Section 5.4.7.2, "Gross Activity DCGLs".

Other radionuclides that were positively identified in concentrations greater than the screening criteria during the performance of this FSS would be evaluated to ensure adequate survey design. Radionuclide screening or de-selection is a process where the dose contribution from 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 not apply to this survey unit since it is a Class 2 area and discrete, elevated areas of contamination were not expected.

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SURVEY UNIT 9539-0002 RELEASE RECORD 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 Jbr Final Status Survey." The Lower Bound of the Gray Region (LBGR) was set in accordance with Procedure RPM 5.1-11 to 0.8 to maintain the relative shift (A/cy) in the range of I and 3. The resulting relative shift was 2.00. 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 MARSS1M in support of the decommissioning license termination rule (10CFR20, 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. Based upon a review of the historical information and Characterization Survey data, the acquisition of additional judgmental surface soil samples from within this survey unit was deemed unnecessary.

The grid pattern and locations of the soil sample§ were determined using Visual Sample Plan (VSP) in accordance with Procedur6 RPM 5.1-14, "Identifying, and Marking Surface Sample Locationsfor FinalStatus 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 2 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.

Table3- Sample Measurement Locations with Associated GPS Coordinaites.

DesignationY > Northiing Eaistiifg>

9539-0002-OlIF 235619.30 671337.09 9539-0002-002F 235619.30 671414.83 9539-0002-003F 235619.30 671492.57 9539-0002-004F 235619.30 671570.30 9539-0002-005F 235619.30 671648.04 9539-0002-006F 235619.30 671725.78 Revision 0 10

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SURVEY UNIT 9539-0002 RELEASE RECORD Table 3 - (continuied)4' Designation<

I ~~ Northing ~ Etii4 V' K 9539-0002-007F 235619.30 671803.52 9539-0002-008F 235619.30 671881.26 9539-0002-009F 235619.30 671959.00 9539-0002-OIOF 235619.30 672036.73 9539-0002-01 IF 235619.30 672114.47 9539-0002-012F 235551.97 672308.82 9520-0001-013F 235551.97 672386.56 9539-0002-014F 235551.97 672464.30 9539-0002-015F 235551.97 672542.03 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 jfr Final Status Survey," included the collection of one (1) soil sample for "split sample" analysis by the off-site laboratory. This location was selected randomly using the Microsoft Excel "RANDBETWEEN" function.

The LTP specifies a required scanning coverage of 10% to 100% for outdoor Class 2 areas. The fraction of scanning. coverage was determined during the DQO process with the total amount and location(s) based on the likelihood of finding elevated activity during FSS. Based on the historical site assessment, the characterization data available, and the use of this survey unit, it was determined that scanning was required in three (3) separate areas. The total surface area to be scanned was approximately 25% of the survey unit. A map of the scan grid locations is provided in Attachment 1.

For this Class 2 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.

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~Table 4 - SyossofthSurvyDsg 3/4 Feature~' Dsign Criteriaf> Basis >~~

2 Survey Unit Land Area 7,293 m Based on AutoCAD-LT Type I and Type 2 errors were 15 0.05, sigma was 0.10 pCi/g, the Number of Measurements 15 LBGR was set at 0.8 to maintain (15 systematic grid) Relative Shift in the range of 1 and 3 Grid Spacing 23.67 m Based on triangular grid 5.38 pCi/g Cs-137 Administratively set to achieve 2.59 pCi/g Co-60 seventeen (17) mrem/yr TEDE (1) 5.38 The Operational DCGL meets the Soil Investigation Level 2.58 pCi/g Cs-137 LTP criteria for a Class 2 survey 2.59 pCi/g Co-60 unit Scan Survey Area Approximately 25% The LTP requires >10% area Coverage of the area coverage for Class 2 survey units Detectable over Administratively set to achieve background seventeen (17) mrem/yr TEDE (1)

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

5. SURVEY IMPLEMENTATION Final status survey field activities were conducted under Work Plan and Inspection Record (WP&IR) 2006-0048. 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.

Three (3) scan areas were established that constituted approximately 25% of the surface area of Survey Unit 9539-0002. 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 4,290 counts per minute (cpm) up to 9,070 cpm.

The scan areas were established and scanned for elevated readings (see Attachment 2 for all scan results). Scanning was performed with an Eberline E1-600 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 Revision 0 12 Revision 0 12

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SURVEY UNIT 9539-0002 RELEASE RECORD close to the ground as possible and was moved at a scan speed of about 0.5 meters per second. Approximately 25% 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.

Fifteen (15) 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 Custody for Final Status Survey Samples."

Two (2) samples (9539-0002-009F and 9539-0002-01OF) were randomly selected for HTD radionuclide analysis.

The implementation of survey specific quality control measures included the collection of one (1) sample (9539-0002-001F) for "split sample" analysis.

6. SURVEY RESULTS All field survey activities were conducted between January 3, 2007 and January 4, 2007.

The sample locations identified in the FSS plan were scanned over approximately a one (1) meter radius for elevated radiation levels. Table 5 provides an overview of the scan results for sample measurement locations. Scan results for the entire survey unit are provided in Attachment 2.

Table 5 - Scan Results for Sample Measurement Locations

~~ Sample1Hih t,6g Action Level~~

Measureenti -Read] ig1/2 (kcpmn) > Action Level JLpcatiol ' (kcpn)~

1 6.7 7.8 NO 2 7.7 7.1 YES 3 8.2 10.1 NO 4 7.9 8.7 NO 5 8.4 7.8 YES 6 9.2 9.3 NO 7 7.2 8.1 NO 8 7.0 7.6 NO Revision 0 13

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SURVEY UNIT 9539-0002 RELEASE RECORD Table 5- (continued)

ample,;,j;2 S;... 111 lghest Logg(ed .

~Sampe t1~I1L2AJ-,'.A Action Level ()2)

Measuremenit Rea~ding (kpi)Action Level Location (kepi) ~ (cm 9 7.4 7.5 NO 10 9.1 9.2 NO 11 9.4 9.7 NO 12 10.3 9.8 YES 13 6.5 7.2 NO 14 6.3 6.2 YES 15 5.3 6.2 NO (1) I ne action level is based on a measurement above amment bac~ground in accordance with the FSS plan (2) The FSS plan requires movement of the sample measurement location to the area within the 1 meter radius yielding the response above the action level. Sample locations 9539-0002-002F, 9539-0002-005F, 9539-0002-012F and 9539-0002-014F were moved accordingly.

The scan areas, that comprised approximately 25% of the total surface area for the survey unit, were scanned for elevated radiation levels. The areas were scanned in accordance with the FSS plan on January 3, 2007 through January 4, 2007. Several elevated measurement locations were identified during scanning.

Table 6 provides an overview of the scan area survey. Complete scan results are provided in Attachment 2.

Table 6- ScanArea Resu<lts Highest Action L #0fmtp Scan Scand Logged #Level4 9le3ated-Re

~Area Strips Reading Identific:1tionl ~ iaknSml

>>(kcpm) (cm 1-1  ?` 1 Inv stgaio Sampl Log # 06 from strip #2 on download #010407- 9539-0002-0161 1(2) 1-15 13.0 10.4 11 feno 1117#afternoon Log 13 from strip #4 download # 0 10407- 9539-0002-0171 1117 afternoon Revision 0 14

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SURVEY UNIT 9539-0002 RELEASE RECORD Table 6 -(c.ontinued)'> _______________________ _______________...... ..

Flighest Action Scan Scean Logged Level Elevated Reading Area Strips- I()

Reading 4

Identification Investigation Sample (kcpmn) (kcpmi)

Log # 19 from strip #6 download # 010407- 9539-0002-0181 1 (continued) 1117 afternoon Log # 02 from strip #1 download # 010407- 9539-0002-0191 1117 afternoon 2(3) 1-11 9.1 9.7 None None Log # 02 from strip #1 3 1-11 11.8 10.4 download # 010307- 9539-0002-0201 1105 afternoon (I) The action level is based on a measurement above ambient background.

(2) Sample numbers 9539-0002-0171 & 9539-0002-0181 were collected within contiguous elevated areas that spanned several scan strips. The areas were evaluated for isotopic identification using the Exploranium portable survey meter. The two (2) spectrums did not identify any plant derived radionuclides. The two (2) spectrums that were stored for measurements were identified as #54 and #55 and are included in the FSS package. Sample numbers 9539-0002-0171 & 9539-0002-0181 were collected within each elevated area at the location of the highest count rate measurement.

The daily journal (0 1-04-2007) and the survey map for Scan Area #1 (01-04-2007) provide specific information about these elevated areas.

(3) Scan area #2 was originally designed to contain eighteen (18) scan grids, however, scan grids 12-18 were not accessible and therefore were not surveyed.

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 split and the five (5) investigation samples using gamma spectroscopy. Gamma spectroscopy results identified some radionuclides meeting the accepted criteria for detection (i.e., a result greater than two (2) standard deviations uncertainty).

However, Cs-137 and Co-60 were the only gamma-emitting radionuclides reported in concentrations exceeding the de-selection criteria.

Cs-137 was identified in seven (7) and Co-60 was identified in one (1) of the fifteen (15) samples collected for non-parametric statistical testing. The mean of the gamma spectroscopic analysis results for the sample population indicated that Cs-137 was present at levels lower than the concentrations 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.

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SURVEY UNIT 9539-0002 RELEASE RECORD Table 7 -~ Summary of Gamma Spectroscopy Results for Surface Soil Samples Comnprisig theStatisticalSamiple Population SSample Number.; Cs13 C-6 9539-0002-001F 2.14E-02 -2.42E-03 9539-0002-002F 3.15E-02 -7.03E-03 9539-0002-003F 3.16E-03 -1.30E-02 9539-0002-004F 5.38E-03 -4.1 OE-03 9539-0002-005F 1.90E-03 -4.58E-03 9539-0002-006F 1.35E-01 1.1OE-02 9539-0002-007F 1.86E-02 -3.48E-03 9539-0002-008F -8.30E-03 8.74E-03 9539-0002-009F 1.75E-02 9.91E-03 9539-0002-01 OF 2.37E-01 1.27E-02 9539-0002-OIIF 2.11E-01 -8.1OE-04 9539-0002-012F 2.89E-02 1.58E-03 9539-0002-013F -1.79E-02 1.49E-02 9539-0002-014F 1.06E-02 9.88E-03 9539-0002-015F -6.27E-03 -4.35E-03 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.

Ni-63 and Sr-90 were positively identified (i.e., a result greater than two (2) standard deviations uncertainty) in one (1) of the two (2) samples analyzed for HTD -radionuclides. In accordance with LTP Section 5.4.7.2, "Gross Activity DCGLs", 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. For Ni-63, the Operational DCGL is 492 pCi/g to achieve a TEDE of seventeen (17) mrem/yr. For Sr-90, the Operational DCGL is 1.05 pCi/g to achieve a TEDE of seventeen (17) mrem/yr. The positive analytical result for Ni-63 and Sr-90 equated to 3% and 4.7% of their respective Operational DCGLs. Subsequently, both Ni-63 and Sr-90 were deselected as a radionuclides of concern for this survey unit.

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SURVEY UNIT 9539-0002 RELEASE RECORD The "sum-of-fractions" or "unity rule" is the mathematical testused to evaluate compliance with radiological criteria for license termination when more than one radionuclide has been determined to be potentially present. The unity rule is:

Equation 3 C, + C2 + ....... C,, *<1 DCGLI DCGL2 DCGL,,

Where: C, = concentration of radionuclide n and DCGLn = DCGL of radionuclide n.

The results of the unity rule calculation for the radionuclides of concern in the statistical sample population for Survey Unit 9539-0002 are provided in Table 8 below.

Table 8 - Resurltso0fiith StCalculatint for Surface Soil Samples Comrism, he tatstialSample Population Number raction ofthel Operational DCGL('"' Unity

.I Fraction.

Cls 13 CO-60 9539-0002-OO1F 0.00 0.00 9539-0002-002F 0.01 0.01 9539-0002-003F -

9539-0002-004F -

9539-0002-005F -

9539-0002-006F 0.03 0.03 9539-0002-007F 0.00 0.00 9539-0002-008F -

9539-0002-009F 0.00 - 0.00 9539-0002-OIOF 0.04 - 0.04 9539-0002-011F 0.04 - 0.04 9539-0002-012F -

9539-0002-013F - 0.01 0.01 9539-0002-014F -

9539-0002-015F (1) The Operational DCGL from Table 2 is 5.38 pCi/g for Cs-137 and 2.59 pCi/g for Co-60 to achieve seventeen (17) mrem/yr TEDE respectively.

(2) -indicates that the radionuclide was not positively detected in the sample Revision 0 17

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SURVEY UNIT 9539-0002 RELEASE RECORD

7. QUALITY CONTROL The off-site laboratory processed the split samples and performed gamma spectro)scopy analysis. One (1) sample location was 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 9539-0002-001 to evaluate in accordance with procedure. Evaluation using the reported results for naturally occurring Ra-226 resulted in acceptable agreement between the field-split results at these locations.

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 Five (5) investigative samples were collected from scan area l and scan area 3 at locations exhibiting elevated scan readings. The samples are denoted as shown in Table 6, with the sample results shown in Table 9 below.

STable9- Investigative Sample Results, Sample Number <s17 pCilg >pCilg o6 Unitv Fraction" ý(2 )

9539-0002-0161 -7.76E-03 - 1.62E-04 9539-0002-0171 -7.02E-03 -2.48E-03 9539-0002-0181 3.68E-02 -6.32E-03 0.007 9539-0002-0191 1.87E-02 -2.63E-03 9539-0002-0201 1.85E-02 5.68E-04 0.003 (1) The Operational DCGL from Table 2 is 5.38 pCi/g for Cs-137 and 2.59 pCi/g for Co-60 to achieve seventeen (17) mrem/yr TEDE respectively.

(2) - indicates that the radionuclide was not positively detected in the sample

9. REMEDIATION AND RESULTS Historically, no radiological remedial action as described by MARSSIM Section 5.4 was performed in this survey unit prior to or as a result of the FSS. 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.

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

11. DATA QUALITY ASSESSMENT (DQA)

The DQO sample design and data were reviewed in accordance with Procedure RPM 5.1-23, "DataQuality 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 andwere sufficient to ensure that the survey unit was properly designated as Class 2.

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. The basic statistical quantities for the statistical sample population are provided below in Table 10.

Table 10 Basic Statistical Quantities for Cs-I37 and Co-60 from the S<Final Status Survey, ~ ~ 17 C-0fo h

'Cs-137~ C<~o-60 DCGLop: 5.38E+00 2.59E+00 Minimum Value: -1.79E-02 -1.30E-02 Maximum Value: 2.37E-01 1.49E-02 Mean: 4.60E-02 1.93E-03 Median: 1.75E-02 -8.10E-04 Standard Deviation: 8.05E-02 8.52E-03 For Cs-137, the range of the data, about three (3) standard deviations, was not a particularly 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 35% of the standard deviation which indicates some 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 1.78 for Cs-137.

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SURVEY UNIT 9539-0002 RELEASE RECORD Co-60, although included in the FSS plan for compliance purposes, was positively identified in only one (1) of the fifteen (15) samples collected for non-parametric statistical testing. Assessment of the basic statistical quantities and graphical representation of Co-60 was not considered useful given the limited number of data points to represent the distribution.

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

12. ANOMALIES No anomalies were noted.

13. CONCLUSION Survey Unit 9539-0002 has met the final DQOs of the FSS plan. The ALARA criteria for soils as specified in Chapter 4 of the LTP were achieved. Elevated Measurement Comparison and remediation was not required.

All identified radionuclides of concern were used for statistical testing to determine the adequacy of the survey unit for FSS.

The sampledata 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 2.

The dose contribution from soil is 0.158 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 2.158 mrem/yr TEDE. Therefore, Survey Unit 9539-0002 is acceptable for unrestricted release.

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14. ATTACHMENTS 14.1 Attachment 1 - Figures 14.2 Attachment 2 - Scan Results 14.3 Attachment 3 - Laboratory Results 14.4 Attachment 4 - DQA Results Revision 0 21

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SURVEY UNIT 9539-0002 RELEASE RECORD ATTACHMENT 1 (FIGURES)

Revision 0

4- L-0 500 100 Notes Coordinatesare in NAD27 Connecticut 9532 State Plane Systen Connecticut Yankee Atomic Power Company Survey Unit 9539-0002

Leg-o O= Sample Loctaton

=Wet Land Notes 9106-0i3 0 75 150 Nodmtes=i NAD27 Coooecticat Store Nose Systemo Connecticut Yankee Atomic Power Company Sample LocationMap for Survey Unit 9539-0002

Lneo=

Reslt in p M~g z Wet Land 9106-0013

.9106-0012 Notes 0 75 150 Fn Notes Coordinates amein NAD27Cormecticut State Plane System Connecticut Yankee Atomic Power Company 9539-0002 FinalStatus Survey Design Cesium-137PostingPlot

K Legn

= Soil Sample Result in p Cig Wet Land 9106-0013 9106-4012, Notes 0 75 S Notes Coordinates -a in NAD27 Connecticut StatePlaeSystem Connecticut Yankee Atomic Power Company 9539-0002 FinalStatus Survey Design Cobalt-60 PostingPlot

K Lezend 102 = Sample Location

=Wet Land 9106-0013 Notes 9106-00.12 0 75 1S0 Feet Notes Coordinatesare in NAD27 Con-ecutit State PtaneSystem Connecticut Yankee Atomic Power Company Investigative Sample Location Map for Survey Unit 9539-0002

=Soil Sample Result in p Cig

Wet Laod 9- -l

-9106-0013 Notes 9106-0012 0 75 .50 Notes Coordinatesate in NAD27 Cossticut State Plane System Connecticut Yankee Atomic Power Company 9539-0002 FinalStatus Survey Design Investigative Cesium-137 PostingPlot

Leýend

= SoiJSample Res=/tiM p Ci/g Wet Land 9106-00131 No-e 9106-0012 0 75 150 Feet Notes Coordinates =r in NAD27 Connecticut Stote PIlae Syotem Connecticut Yankee Atomic Power Company 9539-0002 FinalStatus Survey Design Investigative Cobalt-60PostingPlot

K L-d

- Wet L~,d NW-0 IM 2W No-C-,&-ý - i.

NAD27C-ticu St.. Pl- Syt-9539-0002 9106-0013 Connecticut Yankee Atomic Power Company Scan Area Locationsfor Survey Unit 9539-0002 June 2007Rev. I

ISFSI HAUL ROAD (SOUTHERN SECTION)

SURVEY UNIT 9539-0002 RELEASE RECORD ATTACHMENT 2 (SCAN RESULTS)

Revision 0

Survey Unit 9539-0002 Sample Location Scan Results Sample Location Type Log Log Date Log Time Probe SIN Log Mode Channel Type Reading E-600 S/N Stored Bkg Number Reading Number (cpm) 9539-0002-001 BL 1 323 1/3/2007 1 11:01:00 1 1004 Ratemeter Gamma 6.65E+03 1 1111 18067 SL39-000J00207L11:12:00 '1004 Ratemeter Gamma 666E3

....... 1111 ' ;18067 9539-0002-002 BL 36 1/3/2007 11:12:00 1004 Ratemeter Gamma 6.84E+03 1111 18067 BL 35. '3 :4"/2007 .13:100 ' 1004 O Ratemeter I Gamma J 7.71E+03 1111 18067 9539-0002-003 BL 36 1/3/2007 13:09:00 1004 Ratemeter . Gamma 8.88E+0... 11 18067 9539-0002-004 BL 38 1/3/2007 13:16:00 1004 Ratemeter Gamma 8.15E+03 1111 18067 SL. 39j 1/3/2007 1~3:17:'00 1004 Ratpnemetr Gamm~a 7.85E+03 ~$$1.11 1806ý7 9539-0002-005 BL 4011- 1/3/2007 1110 Ratemeter r Gamma 6.77E+03) 1111 1807

, 1 1,3,'2007 13:24:00 19M4 Ratpreler .,am .~0 86 9539-0002-006 BL 42 1/3/2007 13:38:00 1004 Ratemeter Gamma 7.14E+03 1111 18067 95900207D SL 44 1 3/2017< 13:38:00 1 100

) PRtemeter Ganmiwia 9.14E+bý3 1111 180ý(67 9539-0002-007 BL 44 1/3/2007 13:38:00 1004 Ratemeter j Gamma 7.10E+03 1111 ' 18067 9539-0002-008 BL 46 1/3/2007 13:4 Ratemeter Gamma 117 9539-S002-011 BL 427 1/3/2007 13:44:00 1004 Ratemeter Gamm 6.98E+03 1111 18067 9539-0002-009 BL 48 1/3/2007 13:49:00 1004 Ratemeter Gamma 6.49E+03 1111 18067

_________ ' SL ~ 49 iI3207W 13:49:00 ' Ž1004 >Ratem Iter ~Gamnina 7.42E+03 111186 9539-0002-010 BL 50 1/3/2007 13:53:00 1004 Ratemeter Gamma 68.02E+03 1111 18067

____________ SL ~ 51 1/3/2007 213:54:00 3/4 1004 ~ Ratereter ~ Garniina 3/4 9.10E+03 1111~i 4 1806'7 9539-0002-011 BL 52 1/3/2007 13:58:00 1004 Ratemeter Gamma 8.52E+03 1111 18067 SL ' 53 iI3/200"7 "13:5 10047' jRtteme'tej G nia 9.40E+0'3 1111 18067 9539-0002-0125 BL 54 1/3/2007 14:03:00 1004 Ratemeter P Gamma

] I 8.82E+03 1111 18067 SL 55f U12007 ~14:04:00y ~1004. 'Ratemieter Garmmia Y1.0EO -l 10 180C) 9539-0002-013 B,L 56 1/3/2007 14:11:00 10 04 [f Raeee Gain.1 + M 8&

L 3_________ 5)7 1/3/20,07 14:13:00 1004 Rat~emeter ma.iii 6.45E+03 1111 .18067 9539-0002-014 BL 58 IQ 1/3/200)7 14:17:00 1004 Ratemete-tr Ganmma l 5.18E+03 1111 18067 SL 59'>' 1/3/2O0(7~ 1.10O 07 14:18:00

~ '4 100C4 Rtree RaertGammia

nna 62E3 6 .28E+0'3

>iH11' 1186 18067 9539-0002-015 i BL 60 1/3/200 41:0 10 Ratemeter Gma 5 EO]l 86 1 3 20 07 KSL 61 / / 14190 100 Ratwrietei G'amma~, 5.30E+03 ',ij,111 181067 010307-1111 Sample Loc Scans 01 0407.xls 1 1/30/2007

Survey Unit 9539-0002 Scan Area #01 Strip Scan Results Scan Strip RType InLog NLog Date Log Time Reading Action >Action E-600 SIN Probe S/N Area Number IReading Number (cpm) I Level I Level I BC 11 1/4/20071 9:53:001 7.91E+03 11171 1008 1 1 4-/20o7 1ob2:b 644E03 9.16E+03 11..*7 1 1 ER 21 1/4/2007 9:55:001 9.88E+03 9.18E+03 Yes I 1117 1008 1 1 ER 3 1/4/2007 9:59:001 1.04E+04 9.18E+03 Yes _ _1117, 1008 BC 5 1/4/2007 10:03:00 7.24E+03 117 1008 1 2 WSC ~ 8 1/4/2007, 10M9:00 8.28E+03 8.46E+03 - < 1117> 1008 1 2 ER 611/4/20071 10:06:00 9.55E+031 8.46E+03I Yes 11171 1008 1 2 ER 7 1/4/20071 10:07:00 1.05E+04 8.46E+03 Yes 11171 1008 BC 9 1/4/2007 10:11:00 8.67E+03 1117 1008 1 3 SC 11 1/4/2007 10:15:00 7.96E+03 1.OOE+04 Yes 1117 1008 1 43_ ER 10 1/4/2007 10:13:00 1.11E+04 1.OOE+04 Yes 1117 1008 BC 12 1/4/2007: 10:16 00 7.35E+03 I 1117 100 1 _4____1 11412007 10ý23:00 7.41 E+03 8,'57E+03 -~ 1117k 1008 1 4 ER 131 1/4/2007 10:18:00 1.18E+04 8.57E+03 Yes 11171 1008 1 4 ER 14 1/4/20071 10:21:00 1.04E+04 8.57E+03 Yes 11171 1008 1 4 2 00 7 BCBC 16 / / 1 10:24:00 8.25E+03 11171 1008 1 C18 /42007> 10:33:00 ?7.3(6E+03 9:55E+03 -1117 1008 1 5 1 ER 1.7 1/4/20071 10:28:001 1.28E+04j 9.55E+03 Yes 1 1117 1008 1 BC 191 1/4/2007f 1-0:-34:001 8.91 E+031[ 11171 1008 1 6 21 /

14i007 10: ..... 1.03E+04

.0, * § 1 1117 008 1

1 6 ER 20 1/4/2007 10:44:00 1.30E+04 1.03E+04 Yes 1117 1008 BC 22 1/4/2007 10:46:00 9.75E+03 1117 1008 1ERS 2 1/4/2007 11 :05:00~ 8.57E~+03 1.12E+04 - 111~7 ~1008 1 7 223ER1/4/20071 11:01:001 1.20E+0411.12E+04 Yes 1 11171 1008 BC 25 1/4/2007 11:05:00 8.45E+03 1 0 Y 1117 1008 1 8 ERC 2? 1/4/2007 11:17:00 B. 1 9.76E+03 - 1117 .E+03 1008 1 8 ER 26 1/4/2007 11:15:00 1.07E+04 9.76E+031 Yes 1117 1008 BC 28 1/4/2007 11:21:00 8.98E+03 1117 1008

.. S. 29 114/200711:27:00 8.55E+03 1.03E+04 1117 1008 BC 30 1/4/2007 11:28:4 1.02E+041 1117 1008 1 10 SC K31 1/4/2007 1:33:0 1.11 E+04 1,16E+04< 1117 ' 1008 BC 32 1/4/2007 1346:00 1,01E+04 1117 1008 11 1 SC &, 33. 1*/i/2007 13:53:00 1.2E+04 1.15E+04 1117 1008 BC 34 1/4/2007 13:54:00 1.11E+04 11171 1008 010407 Scan Area 1 011507.xls 1 1/30/2007

Survey Unit 9539-0002 Scan Area #01 Strip Scan Results Scan Strip Type Log ILog Date ILog Time Reading Action I >Action E-600 SIN Probe SIN Area J Number Reading Number I (cpm) Level I Level I 11 C35 1/4/'2007 14:01:00 1.06E+-04 1.2~6E+04 - ~ 1117 ~ 1008 BC 36 1/4/2007 14:04:00 1.03E+04 . 1117 1008 3 BC 37 1/4/2007 14:14:00 1'.11tE4041.17E+04 Xx'~ 1117' 1008 BC 38 1/4/2007 14:13:00 9.42E+03 1117 1008 1 14 SC . 39~ 1/4/2007~ 14: 19:00 9.91 E+03 1.08E+04 - 1117 1008 B1C ... 1/4/2007L14 26,00 1.01E+04 1117 1008 1 15 SC &..41> 1/4/.2007 14:28:00 1.03E+0,,4 1.15E+04 -' I 1117 1i008 010407 Scan Area 1 011507.xls 2 1/30/2007

Survey Unit 9539-0002 Scan Area #2 Strip Scan Results Scan Strip Type Log_ Log Date Log TimeI Reading Action >Action E-600 S/N Probe SIN Area Number Reading Number _ (cpm) Level Level BC 1 1 1/3/2007

• 9:57:00 1 9.03E+03 1105 1009 2 1 ~ SC 3 1,f3,2007j 10:02:00' 8.27E-40,3 1.04E+04 -1105 >1009*

1 BC 24 1/3/2007 11:08:00 18.42E+03 1105 1009 2 2 SC 1/33:00 ,25, 0 92*0-1 7I8 E+03,I9.73Ei*3 1105 " 1009 1 BC 26 1/3/2007 11:13:00 815E+03 1105 1009 2 3 SC 27 1/3/2007, 11:18-00 808E03 9:44E+03 1105 1009 1 BC 28 1/3/2007 11:19:00 18.15E+031 1105 1009 2 4  : SC

.. 29 1/3/2007. 11:14:00 8.52E+03 9.44E+03 1105 1009 BC 30 1/i3/2007 11:25:00 J7.31 E+03 110 100 2 5 SC 31 __1/3/2007 1129ý00 8 20E+03 8,53E+03 1105 w1009~

BC 32 1/3/2007 13:05:00 8.02E+03 1105 1009 2 6 SC 33 113/2'007 213:10:00 8.58E+03 9.30E+03 1105 100 BC 34 1/3/2007 13:11:00 7.96E+03 1105 1009 2 7 SC 35 132007 13:15:00 8.19E+03 923E+03 1105 1009 BC 360 1/3/2007 13:16:00 9.OOE+03 1105 1009 2 8 S so 37 1/,3/2007~ 13:22:00f 7.68E+03 1.04E+04 1105 1009w B38C 1,31 O 713:3'008,09E+031 - 1 15 10ei 2 9 BC 38 1//07 T'0 7~.58F+03 9.37-E+03 110 1009 BC 40 1/13/2007 13:29:00 8,21 E+03 1 105 10 2 10 ~SC _ 41 1/3/2007~ 13 36:00 ~7.93E+03 9.5dE+03 ~ 1105~ 1009 1 BC 42 1/3/2007 113:37:00 8.33E+03 1105 1009 2 11 B 4 4C1 /3/2007i 13:42:00 8.31E+03 9,63E+03 1105 1009 2 12 BC SC ~

44 45>

i-120 1/3/20P7~

13:44:0018.06E+03 f 13:51:00 8,75E+03 9.34E+03 ___ _

1105 1105 1009 1O-010307-1105 Scan Area 2 011507.xls 1 1/30/2007

Survey Unit 9539-0002 Scan Area #3 Strip Scan Results Scan Strip Type Log ILog Date Log Time Reading Action I >Action IE-600 S be SIN Area Number Reading Number I (cpm) ILevel I Level I I . 1B 1/3/20071 9:57:001 9.03E+03[ 11051 1009 3 1 ER 2 1/3/2007 10 00:00 1.18E+04 1105 1009 BC 4 1/3/2007 10:03:00 7.95E+031 1105 1009 BC 2 1/3/2007[ 10:06:00 8.91E+03 1105 1009 BC 8 113/2007 10:09:00 9.02E+03 1105 1009 3 4 SC 9 1/3::/2007 1:20 9..... 1.04E.. 1105 1009 13/2007 10:13:00 8.38E+03 . 1105 1009 BC 12 1/3/2007 10:16:00 9,36E+03 f 1105 1009 3 6 SC 713 1/3/2007, 10:'19':00 8.22E+03 l'1.7E+04 ~ -1105 1009 1BC 14 1/3/2007 10:20:00 8.91E+03 1105 1009 3 S 15 1/3I2bO7~ 10:ý23:00 8.26~E+03 1,.03E+04 - 1105 1009 BC 161 1/3/2007 10:24:00 9.07E+03 [ 1105 1009 3 8 SC 17 1/312007~ 10:27,:00 8.3 E+4 03 1,04~E+04 i05~

11~< 1009 BC 18' 1/3/2007 10:28:00 7.93E+03 1105 o 1009 3 9 SC 19 1/3/2007 10:32:00 ~8.29E+03 9.20E-+03 -1105 1009 1BC 20 1/3/2007 10:32:00 8.23E+031 1105 1009 3 10 SC 21 1/3/2007 10:35:00 7.98E+03 9.53E+03 1105 1009 3 11 1 BC22 SC 1/3/2007j10:36:00 8.53E+031

23~ 1/3?200770

38:00 7.41 E+03 9.85E-Q03:

1_ [ 1105 1009 1105~ 10oq~

010307-1105 Scan Area 3 011507.xls 1 1/30/2007

ISFSI HAUL ROAD (SOUTHERN SECTION)

SURVEY UNIT 9539-0002

. RELEASE RECORD ATTACHMENT 3 (LABORATORY DATA)

Revision 0

General Narrative 1

General Narrative for Connecticut Yankee Atomic Power Co.

Work Order: 178923 SDG: MSR#07-0036 January 15, 2007 Laboratory Identification-GEL Laboratories LLC 2040 Savage Road Charleston, South Carolina 29407 (843) 556-8171 Summary Sample receipt The samples arrived at GEL Laboratories LLC, Charleston, South Carolina on January 11, 2007 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 178923001 9539-0002-001-F 178923002 9539-0002-001-FS 178923003 9539-0002-002-F 178923004 9539-0002-003-F 178923005 9539-0002-004-F 178923006 9539-0002-005-F 178923007 9539-0002-006-F 178923008 9539-0002-007-F 178923009 9539-0002-008-F 178923010 9539-0002-009-F 178923011 9539-0002-010-F 178923012 9539-0002-01 1-F 178923013 9539-0002-012-F 178923014 9539-0002-013-F 178923015 9539-0002-014-F 178923016 9539-0002-015-F 178923017 9539-0002-016-I 178923018 9539-0002-017-1 178923019 9539-0002-018-I 178923020 9539-0002-019-I 178923021 9539-0002-020-1 Items of Note There are no items to note.

GEL Laboratories Lic PO Box 30712 Charleston, SC 29417 2040 Savage Road Charleston, SC 29407 P 843.555.8171 F 843.766.1178 www.geLcom 2

Case Narrative Sample analyses were conducted using methodology as outlined in GEL Laboratories, LLC (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 Nineteen 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.

Chery~lon~es Project Manager GEL Laboratories LLc PO Box 30712 Chadeston, SC 29417 2040 Savage Road Charlestn, SC 29407 P 843.556.8171 F843.766.1178 www.gal.com 3

List of current GEL Certifications as of 15 January 2007 State F Certification Alaska UST-062 Arizona AZ0668 Arkansas 88-0651 CLIA 42D0904046 California 01151CA Colorado GcnEngLabs Connecticut PH-0 169 Dept. of Navy NFESC 413 EPA WG-15J 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-R5 104-003-Attachment B-CY-00 I Major Connecticut Yankee Atomic Power Company Chain of Custody Form No. 2007-00003 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 0c,3 c#3

Priority: [] 30 D. El 14D. ED 7 D. F1 3.D.

Container i7 ,'

Sample Size, - _ .. . .. ...

Sample Designation Date Time Media Type &Type Comment, Preservation Lab Sample ID Code Code Code 9539-0002-001-F 01/03/07 - 1102 TS G BP X 9539-0002-00!-FS 0,1/03/07 1102 TS G BP X ______'

9539-0002-002-F 01/03/07 1114 TS G BP X __. ...

9539-0002-003-F 01/03/07 1310 TS G BP X 9539-0002-004-F 01/03/07 1317 TS G BP X_

9539-0002-005-F 01/03/07 1324 TS G BP X 9539-0002-006-F 01/03/07 1330 TS 6 BP X :____

9539-0002-007-F 01/03/07 1340 TS G BP X .. . ..

9539-0002-008-F 01/03/07 1345 TS G BP X __......_____.. ____

9539-0002-009-F 01/03/07 1350 TS G BP X ._...

9539-0002-010-F 01/03/07 1355 TS G BP X ....

NOTES: PO#: 002332 'MSR #: 06*tnr SSWP# NA [D. LTP QA -- Radwaste QA 0l Non QA Samples Shipped Via: Internal Container

07. oo34 [ Fed Ex Temp.: Deg.

[] UPS El Hand Custody Se~aled?

1) Relinquished By Date/Time 2) R elve Date/Time Custody Seal El Other Intact?

3) Relinquished By Date/Time 4) Waived By Date/Time Y<'W N 11 Bill of Lading #

Health Physics Procedure GPP-GGGR-R5104-003-Attachment B-CY-00.1 Major Chain of Custody Form N.20-00 Connecticut Yankee Atomic Power Company No. 20074.004 362 Injun HOllow Road. East Hampton. C' 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 ,

843 556 817 1. Atti. Cheryl Jones Priority: -I 30 D.. [ 14 D. Z 7 D. [I-3 D.

Containeri-.

Samnle Size-Sample Designation Date Time Media Type &Type Comment; Preservation Lab Sample ID Code Code Code 9539-0002-011-F 01/03/07 1359 TS G BP X 9539-0002-012-F 01/03/07 1404 TS G BP X 9539-0002-013-F Q1/03/07 1411 TS G BP X 9539-0002-014-F 01/03/07 1420 TS G BP X 9539-0002-015-F 01/03/07 1425 TS G BP X NOTES: PO #: 002332 MSR #.64&44 SSWP#NA E LTPQA Radwaste QA El Non QA Samples Shipped Via: Internal Coainer E Fed Ex Temp.: _ Deg.

LI UPS C LI Hand Custody Sealed?

Y NF.

1) Relinquished By Date/Time 2) R ceived B. Date/Time Custody Seal El Other Intact?

3) Relinquished By Date/Time 4) Date/Time DceivedBy Y,5< N 1 Bill of Lading #

Health Physics Procedure: GPP-GGGR-R5 104-003-Attachment B-CY-001 Major Connecticut Yankee Atomic Power Company Chain of Custody Form 362 Injun Hollow Road, East Hampton, CT 06424 No. 2006-00007 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:L] 30 D. ] i5 D. Z 7 D. <

Other: _

Sample Designation Date Time _ Comment, Preservation Lab Sample fl) 9539-0002-016-I 01/05/07 0957 TS G BP X 9539-0002-017-1 01/05/07 0959 TS G BP X 953970002M018-1 01/05/07 .1004 TS G BP X 9539-0002-019-1 01/05/07 1007 TS G BP X 9539-0002-020-1 01/05/07 1014 TS G BP X NOTES: PO #: 002332 MSR #: 07-003b Z LTP QA 0 Radwaste QA fl Non QA Samples ShippedVia: Internal Container Z Fed Ex Temp.: _.* Deg. C El UPS E] Hand Custody Sealed?

1)Relinquished By Date/Time 2) Re)*ived By Date/Time Eo Other CustodySealIntact?

3) Relinquished By Date/Time 4) eived By /Dae/Time Y N1

5) Bill of Lading #

5) Relinquished By Date/Time I6) Received By Date/Time

Connecticut Yankee Statement of Work for Analytical Lab Services .CY-IsC-sow-0o1 -

Figure 1. *Sample Check-in List Date/Time Received: 'I Ci.7 - '3 O Work Order Number: / /' /;z /"

Shipping Cchtainer ID: . ,v- , '- Chain of Custody# ,5e 6JAA -

i,

1. Custody Seals. od shipping container intact?.. -Yes,j)M No [ J

2. CustodySeals dated and signed? Yes 4,,.No []

• 3. Chain-of-Custody record present? . Yes [4 No [N

4. Cooier temperature I.

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

6.: Number ofsamples in shipping container: _ .-/__, ____ .__ .___, _ ._ .

7. :Sample holding times exceeded? Yes ([ No L

.8. Samples have:

Xitap ___hazard labels

• ........ustody seals -Ziappropriate sample labels

9. Samples are:

_ýLin good condition -- eaking broken ___haVer air bubbles

10. Were any anomalies identified in sample receipt? Yes [ ] No ['4

11. Description of-anomalies (include sample numbers):

Sample Custodian/Laboratory: /-ri "',, Date: )1010-2 Telephoned to: _ _ _On -.. - By 9

SAMPLE RECEIPT & REVIEW FORM PM use only Client: "SDGIARCOC/Work Order: -. , 7 '.3 ]7 ' /

Date Received: PM(A) Review (ensur# non-conforming items are resolved prior to g By:lv )Received Sample Receipt Critkia . Comments/Qualifiers (Required for Non- uforming Items),

king container other (describe)

Circle Applicable: seals broken damaged contai I Shipping containers received intact and sealed? , e 0 Samples requiring cold Circle Coolant # ice bags blue dry ice none other describe) 2 preservation within (4 +1-. 2 C)?

Record preservation method:

Chain of custody documents included with shipment? .7 Sample containers intact and Circlplicable: seaybroken damaged container leaking container other (describe) sealed? __" ___... ._.,_/__ ___

Samples requiring chemical Sample ID's, 1ntainers affected and observed pH:

preservation at proper pH? .

VOA vials free of headspace Sam l D's and co. ners affected:

(defined as :. 6mm bubble)?

Are Encore containers present? 1\

7 (If yes, immediately deliver to VOA laboratory) 8 Samples received within. holding Id's and tests affected:

time?___________________

Sample ID's on COC match ID's/ SampleID's and containers affected:

on bottles?

Sample ID's affected:

10 Date,& time on COC matc date

& time on bottles? .

Numberof Numerofcontainer,* /recetved Sample ID's affected: '

match number intimated on COC?

COC form is signed in relinquishfiedreceived sections?

14 Air Bill ,Tracking #'s, &

Aptditional Comments

~.....

A lRadiological Classification?

. ,,I _

II-J*

I= -'" RSO RAD Receipt #N________________

SsetdHzr ff *f> x2 area background is observed on samples identified as "non-regulated/non-radioactive ", contact the Radiation Safety group for further

[sinvestigation.

[Maximum Counts Observed*: ZO Ct_/M

• 'CD Regulated?

Shipped as DOI Hazardous

• Material? If yes, contact Waste " Hlazard Class Shipped:

UN#:

Manager or ESH Manager.l"L

) [Regulated as a Foreign Soil?

PM (or PMA) review of Hazard classification: - Initials / a Date.:

10

SAMPLE RECEIPT & REVIEW FORM CONTINUATION FORM Client: Date Received:

Ss"

-7,. -"t

ý7o -

q7 z

'3 'Z,)o6 - Gooo -7

-, 00 7- ,o 1,J Z-OO- -ooco5-

.Z~o-- COco(J 11

Data Review Qualifier Definitions 12

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 froma 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.

GEL Laboratories LLc PO Box 30712 Chadeston, SC 29417 2040 Savage Road Charleston, SC 29407 P843.555.8171 F 843.765.1178 www.gel.com 13

RADIOLOGICAL ANALYSIS 14

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

Work Order 178923 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: 601896 Prep Batch Number: 601632 Dry Soil Prep GL-RAD-A-021 Batch Number: 601631 Sample ID Client ID 178923010 9539-0002-009-F 178923011 9539-0002-010-F 1201260242 Method Blank (MB) 1201260243 178924001(9539-0001-001 -F) Sample Duplicate (DUP) 1201260244 178924001(9539-0001-001-F) Matrix Spike (MS) 1201260245 Laboratory Control Sample (LCS)

SOP Reference Procedure for preparation, analysis and reporting of analytical data are controlled by GEL 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.

15

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: 178924001 (9539-0001-001-F).

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 Additional comments were not required for this sample set.

Qualifier information Manual qualifiers were not required.

Method/Analysis Information 16

Product: Alphaspec Pu, Solid-ALL FSS Analytical Method: DOE EML HASL-300, Pu-i l-RC Modified Prep Method: Ash Soil Prep Dry Soil Prep GL-RAD-A-021 Method: Dry Soil Prep Analytical Batch Number: 601897 Prep Batch Number: 601632 Dry Soil Prep GL-RAD-A-021 Batch Number: 601631 Sample ID Client ID 178923010 9539-0002-009-F 178923011 9539-0002-010-F 1201260246 Method Blank (MB) 1201260247 178924001(9539-0001-00 1-F) Sample Duplicate (DUP) 1201260248 178924001(9539-0001-001-F) Matrix Spike (MS) 1201260249 Laboratory Control Sample (LCS)

SOP Reference Procedure for preparation, analysis and reporting of analytical data are controlled by GEL Laboratories LLC as Standard Operating Procedure (SOP). The data discussed in this narrative has been analyzed in accordance with GL-RAD-A-0 11REV# 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: 178924001 (9539-0001-001-F).

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

17

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 1201260247 (9539-0001-001 -F) was recounted due to poor resolution.

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- 1-RC Modified Prep Method: Ash Soil Prep Dry Soil Prep GL-RAD-A-021 Method: Dry Soil Prep Analytical Batch Number: 601898 Prep Batch Number: 601632 Dry Soil Prep GL-RAD-A-021 Batch Number: 601631 18

Sample ID Client ID 178923010 9539-0002-009-F 178923011 9539-0002-010-F 1201260250 Method Blank (MB) 1201260251 178924001(9539-0001-00 1-F) Sample Duplicate (DUP) 1201260252 178924001(9539-0001-001-F) Matrix Spike (MS) 1201260253 Laboratory Control Sample (LCS)

SOP Reference Procedure for preparation, analysis and reporting of analytical data are controlled by GEL 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: 178924001 (9539-0001-001-F).

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, 1201260250 (MB), 1201260251 (9539-0001-001-F), 1201260252 (9539-0001-001-F) and 178923010 (9539-0002-009-F), were recounted due to quench.

Miscellaneous Information:

NCR Documentation 19

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: 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: 602159 Prep Batch Number: 601634 Sample ID Client ID 178923021 9539-0002-020-1 1201260866 Method Blank (MB) 1201260867 178923021(9539-0002-020-1) Sample Duplicate (DUP) 1201260868 Laboratory Control Sample (LCS)

SOP Reference Procedure for preparation, analysis and reporting of analytical data are controlled by GEL Laboratories LLC as Standard Operating Procedure (SOP). The data discussed in this narrative has been analyzed in accordance with GL-RAD-A-0 13 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.

20

Onalitv Control (OCI Information:

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

Designated QC The following sample was used for QC: 178923021 (9539-0002-020-1).

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 Qualifier Reason Analyte Sample U1 Data rejected due to low abundance. Bismuth-214 1201260866 Cesium- 134 178923021 1201260867 Lead-212 1201260866 Potassium-40 1201260866 Radium-226 1201260866 Method/Analysis Information 21

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: 602161 Prep Batch Number: 601631 Sample ID Client ID 178923001 9539-0002-001-F 178923002 9539-0002-001 -FS 178923003 9539-0002-002-F 178923004 9539-0002-003-F 178923005 9539-0002-004-F 178923006 9539-0002-005-F 178923007 9539-0002-006-F 178923008 9539-0002-007-F 178923009 9539-0002-008-F 178923010 9539-0002-009-F 178923011 9539-0002-010-F 178923012 9539-0002-011-F 178923013 9539-0002-012-F 178923014 9539-0002-013-F 178923015 9539-0002-014-F 178923016 9539-0002-015-F 178923017 9539-0002-016-1 178923018 9539-0002-017-1 178923019 9539-0002-018-1 178923020 9539-0002-019-1 1201260869 Method Blank (MB) 1201260870 178923001(9539-0002-001-F) Sample Duplicate (DUP) 1201260871 Laboratory Control Sample (LCS)

SOP Reference Procedure for preparation, analysis and reporting of analytical data are controlled by GEL 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 22

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 (Q0 Information:

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

Designated QC The following sample was used for QC: 178923001 (9539-0002-001-F).

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 178923018 (9539-0002-017-I) was recounted due to bad background.

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 sample and the duplicate 1201260870 (9539-0002-001-F) and 178923001 (9539-0002-001-F) for 13i-214, Ra-226, and Pb-214 did not meet the relative percent difference requirement, however they do meet the relative error ratio requirement with values of 2.88108 for Bi-214 and RA-226 and 1.76254 for Pb-214, respectively Qualifier information 23

Qualifier Reason Analyte Sample U' Data rejected due to high counting uncertainty. Europium- 155 178923002 U' Data rejected due to high peak-width. Bismuth-212 178923013 Potassium-40 178923001 UI Data rejected due to low abundance. Cesium- 134 178923005 178923006 178923007 178923008 178923011 178923014 178923018 178923019 Europium- 154 1201260869 Thallium-208 178923001 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: 601901 Prep Batch Number: 601632 Dry Soil Prep GL-RAD-A-021 Batch Number: 601631 Sample ID Client ID 178923010 9539-0002-009-F 178923011 9539-0002-010-F 1201260261 Method Blank (MB) 1201260262 178924001(9539-0001-001-F) Sample Duplicate (DUP) 1201260263 178924001(9539-0001-001-F) Matrix Spike (MS) 1201260264 Laboratory Control Sample (LCS) 24

SOP Reference Procedure for preparation, analysis and reporting of analytical data are controlled by GEL 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 volume in this batch.

Designated QC The following sample was used for QC: 178924001 (9539-0001-001 -F).

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.

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 Sample 178923011 result is greater than the mda and tpu. Client gave permission to send.

25

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: 601908 Sample ID Client ID 178923010 9539-0002-009-F 178923011 9539-0002-010-F 1201260283 Method Blank (MB) 1201260284 178924001(9539-0001-001-F) Sample Duplicate (DUP) 1201260285 178924001(9539-0001-001-F) Matrix Spike (MS) 1201260286 Laboratory Control Sample (LCS)

SOP Reference Procedure for preparation, analysis and reporting of analytical data are controlled by GEL 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 (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: 178924001 (9539-0001-001-F).

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

26

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 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: 602972 Prep Batch Number: 601632 Dry Soil Prep GL-RAD-A-021 Batch Number: 601631 Sample ID Client ID 178923010 9539-0002-009-F 178923011 9539-0002-010-F 1201262579 Method Blank (MB) 1201262580 178924001(9539-0001-001-F) Sample Duplicate (DUP) 1201262581 178924001(9539-0001-001-F) Matrix Spike (MS) 1201262582 Laboratory Control Sample (LCS) 27

SOP Reference Procedure for preparation, analysis and reporting of analytical data are controlled by GEL 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 (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: 178924001 (9539-0001-00 1-F).

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. Samples were reprepped due to low/high carrier/tracer yield. Samples were reprepped 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.

28

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: 601907 Prep Batch Number: 601632 Dry Soil Prep GL-RAD-A-021 Batch Number: 601631 Sample ID Client ID 178923010 9539-0002-009-F 178923011 9539-0002-010-F 1201260279 Method Blank (MB) 1201260280 178924001(9539-0001-001 -F) Sample Duplicate (DUP) 1201260281 178924001(9539-0001-001-F) Matrix Spike (MS) 1201260282 Laboratory Control Sample (LCS)

SOP Reference.

Procedure for preparation, analysis and reporting of analytical data are controlled by GEL 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 (Q0 Information:

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

29

Designated QC The following sample was used for QC: 178924001 (9539-0001-001 -F).

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: LSC, Tritium Dist, Solid - 3 pCi/g Analytical Method: EPA 906.0 Modified Analytical Batch Number: 601909 Sample ID Client ID 178923010 9539-0002-009-F 178923011 9539-0002-010-F 1201260287 Method Blank (MB) 1201260288 178923010(9539-0002-009-F) Sample Duplicate (DUP) 1201260289 178923010(9539-0002-009-F) Matrix Spike (MS) 1201260290 Laboratory Control Sample (LCS) 30

SOP Reference Procedure for preparation, analysis and reporting of analytical data are controlled by GEL 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: 178923010 (9539-0002-009-F).

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 1201260290 (LCS) was recounted due to analyst transcription error.

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.

31

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: 601910 Sample ID Client ID 178923010 9539-0002-009-F 178923011 9539-0002-010-F 1201260291 Method Blank (MB) 1201260292 178924001(9539-0001-001-F) Sample Duplicate (DUP) 1201260293 178924001(9539-0001-001-F) Matrix Spike (MS) 1201260294 Laboratory Control Sample (LCS)

SOP Reference Procedure for preparation, analysis and reporting of analytical data are controlled by GEL 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 (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: 178924001 (9539-0001-001-F).

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

32

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 1201260293 (9539-0001-00 1-F) was 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 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:

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 he information presented in this case narrative:

Reviewer/Date: 7 l/,A&- 007 33

SAMPLE DATA

SUMMARY

34

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

Client SDG: MSR#07-0036 GEL Work Order: 178923 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 GEL Laboratories LLC standard operating procedures. Please direct any questions to your Project Manager, Cheryl Jones.

Reviewed by 35

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-001-F Proiect: YANK01204 Sample ID: 178923001 Client ID: YANKOO0 Matrix: TS Vol. Recv.:

Collect Date: 03-JAN-07 Receive Date: 11-JAN-07 Collector: Client-Moisture: 6.74%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtc Rad Gamma Spec Analysis Gamnma.Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.606 +1-0.150 0.052 +1-0.150 0.104 pCi/g MJHI 01/13/07 1052 602161 1 Americium-241 U -0.0295 +/-0.081 0.0672 +/-0.081 0.134 pCi/g Bismuth-212 0.291 +/-0.236 0.117 +/-0.236 0.233 pCi/g Bismuth-214 0.549 +/-0.0816 0.0286 +/-0.0816 0.0573 pCi/g Cesium-134 U 0.0207 +/-0.0394 0.0188 +/-0.0394 0.0376 pCi/g Cesium-137 U 0.0214 +/-0.0186 0.0174 +/-0.0186 0.0348 pCi/g Cobalt-60 U -0.00242 +/-0.0195 0.0162 +/-0.0195 0.0324 pCi/g Europium-152 U -0.0192 +/-0.0614 0.0411 +/-0.0614 0.0821 pCi/g Europium- 154 U -0.0208 +/-0.0611 0.0498 +/-0.0611 0.0996 pCi/g Europium- 155 U 0.0271 +/-0.0583 0.0488 +/-0.0583 0.0975 pCi/g Lead-212 0.466 +/-0.063 0.0251 +/-0.063 0.0501 pCi/g Lead-214 0.541 +/-0.0832 0.0258 +/-0.0832 0.0516 pCi/g Manganese-54 U -0.00575 +/-0.0193 0.0141 +/-0.0193 0.0282 pCi/g Niobium-94 U 0.00695 +/-0.0182 0.014 +/-0.0182 0.028 pCi/g Potassium-40 U1 0.00 +/-0.914 0.133 +/-0.914 0.266 pCi/g Radium-226 0.549 +/-0.0816 0.0286 +/-0.0816 0.0573 pCi/g Silver-108m U -0.00886 +/-0.0158 0.0135 +/-0.0158 0.0271 pCi/g Thallium-208 UI 0.00 +/-0.0353 0.0272 +/-0.0353 0.0544 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 JMB1 01/11/07 1139 601631 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 36

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-001-F Project: YANK01204 Sample ID: 178923001 Client ID: YANKOOI Vol. Recv.:

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

• • Analyte is a surrogate compound

< 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 ND Analyte concentration is not detected above the detection limit 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.

37

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-001-FS Proiect: YANKO 1204 Sample ID: 178923002 Client ID: YANKOO 1 Matrix: TS Vol. Recv.:

Collect Date: 03-JAN-07 Receive Date: 11-JAN-07 Collector: Client Moisture: 6.07%

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

Rad Gamma Spec Analysis GammaSolid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.549 +/-0.179 0.0652 +/-0.179 0.141 pCi/g MJHI 01/13/07 1047 602161 1 Americium-24 I U 0.133 +/-0.0803 0.0664 +/-0.0803 0.136 pCi/g Bismuth-212 0.670 +/-0.278 0.141 +/-0.278 0.301 pCi/g Bismuth-214 0.595 +/-0.106 0.0347 +/-0.106 0.0736 pCi/g Cesium- 134 U 0.0214 +/-0.0356 0.0241 +/-0.0356 0.0511 pCi/g Cesium-137 U 0.0216 +/-0.0226 0.0182 +/-0.0226 0.039 pCi/g Cobalt-60 U -0.016 +/-0.028 0.0183 +/-0.028 0.0405 pCi/g Europium-152 U -0.0577 +/-0.0591 0.0486 +/-0.0591 0.102 pCi/g Europium- 154 U 0.000702 +/-0.0648 0.0551 +/-0.0648 0.121 pCi/g Europium- 155 UI 0.00 +/-0.125 0.0496 +/-0.125 0.102 pCi/g Lead-212 0.646 +/-0.0765 0.0321 +/-0.0765 0.0664 pCi/g Lead-214 0.654 +/-0.0987 0.0389 +/-0.0987 0.0813 pCi/g Manganese-54 U -0.0118 +/-0.0227 0.018 +/-0.0227 0.0386 pCi/g Niobium-94 U -0.00395 +/-0.0214 0.0177 +/-0.0214 0.0376 pCi/g Potassium-40 13.6 +/-1.23 0.177 +/-1.23 0.394 pCi/g Radium-226 0.595 +/-0.106 0.0347 +/-0.106 0.0736 pCi/g Silver- 108m U -0.0164 +/-0.0188 0.0152 +/-0.0188 0.0322 pCi/g Thallium-208 0.224 +/-0.0405 0.0176 +/-0.0405 0.0374 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 JMBI 01/11/07 1139 601631 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

• • Analyte is a surrogate compound 38

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-001-FS Proiect: YANK01204 Sample ID: 178923002 Client ID: YANK001 Vol. Recv.:

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

< 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 ND Analyte concentration is not detected above the detection limit 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.

39

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-002-F Project: YANK01204 Sample ID: 178923003 Client ID: YANKOO Matrix: TS Vol. Recv.:

Collect Date: 03-JAN-07 Receive Date: 11-JAN-07 Collector: Client Moisture: 8.59%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mt4 Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.780 +/-0.132 0.057 +/-0.132 0.123 pCi/g MJHI 01/13/07 1048 602161 1 Americium-241 U 0.000146 +/-0.087 0.0733 +/-0.087 0.151 pCi/g Bismuth-212 0.508 +/-0.252 0.116 +/-0.252 0.250 pCi/g Bismuth-214 0.431 +/-0.0691 0.0293 +/-0.0691 0.0624 pCi/g Cesium-134 U 0.0418 +/-0.0401 0.0213 +/-0.0401 0.0451 pCi/g Cesium-137 U 0.0315 +/-0.0306 0.0157 +/-0.0306 0.0337 pCi/g Cobalt-60 U -0.00703 +/-0.0182 0.0143 +/-0.0182 0.0319 pCi/g Europium-152 U 0.0238 +/-0.052 0.0465 +/-0.052 0.0972 pCi/g Europium-154 U -0.00407 +/-0.0609 0.0504 +/-0.0609 0.110 pCi/g Europium-155 U 0.0776 +/-0.0556 0.0542 +/-0.0556 0.112 pCi/g Lead-212 0.597 +/-/-0.0501 0.0254 +/-0.0501 0.0527 pCi/g Lead-214 0.543 +/-0.0761 0.0314 +/-0.0761 0.0659 pCi/g Manganese-54 U -0.0034 +/-0.0199 0.017 +/-0.0199 0'0363 pCi/g Niobium-94 U 0.0114 +/-0.018 0.0165 +/-0.018 0.035 pCi/g Potassium-40 13.9 +/-0.849 0.150 +/-0.849 0.334 pCi/g Radium-226 0.431 +/-0.0691 0.0293 +/-0.0691 0.0624 pCi/g Silver-108m U 0.00896 +/-0.0174 0.0155 +/-0.0174 0.0326 pCi/g Thallium-208 0.225 +/-0.0437 0.0152 +/-0.0437 0.0324 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 JMBI 01/11/07 1139 601631 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

• • Analyte is a surrogate compound 40

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-002-F Proiect: YANKO 1204 Sample ID: 178923003 Client ID: YANK001 Vol. Recv.:

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

< 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 ND Analyte concentration is not detected above the detection limit 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

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-003-F Project: YANKO 1204 Sample ID: 178923004 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 03-JAN-07 Receive Date: 11-JAN-07 Collector: Client Moisture: 5.49%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mti Rad Gamma Spec Analysis GammaSolid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.578 +/-0.159 0.0676 +/-0.159 0.145 pCi/g MJHl 01/13/07 1049 602161 1 Americium-241 U 0.014 +/-0.029 0.0271 +/-0.029 0.0559 pCi/g Bismuth-212 U 0.276 +/-0.311 0.158 +/-0.311 0.335 pCi/g Bismuth-214 0.440 +/-0.0944 0.0395 +/-0.0944 0.083 pCi/g Cesium- 134 U 0.0216 +/-0.0283 0.0254 +/-0.0283 0.0536 pCi/g Cesium- 137 U 0.00316 +/-0.0252 0.0221 +/-0.0252 0.0466 pCi/g Cobalt-60 U -0.013 +/-0.0299 0.0204 +/-0.0299 0.0444 pCi/g Europium- 152 U -0.00945 +/-0.0547 0.047 +/-0.0547 0.0984 pCi/g Europium- 154 U 0.0393 +/-0.0755 0.0672 +/-0.0755 0.144 pCi/g Europium- 155 U 0.0768 +/-0.0636 0.0444 +/-0.0636 0.0917 pCi/g Lead-212 0.567 +/-0.0646 0.0344 +/-0.0646 0.0709 pCi/g Lead-214 0.561 +/-0.0913 0.0331 +/-0.0913 0.0694 pCi/g Manganese-54 U -0.001 F/-0.0253 0.0213 +/-0.0253 0.0452 pCi/g Niobium-94 U 0.00143 +/-0.023 0.0199 +/-0.023 0.042 pCi/g Potassium-40 12.4 +/-0.948 0.184 +/-0.948 0.404 pCi/g Radium-226 0.440 +/-0.0944 0.0395 +/-0.0944 0.083 pCi/g Silver- 108m U 0.00371 +/-0.0179 0.0165 +/-0.0179 0.0347 pCi/g Thallium-208 0.244 +/-0.0458 0.0184 +/-0.0458 0.0389 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 JMBI 01/11/07 1139 601631 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

• • Analyte is a surrogate compound 42

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-003-F Project: YANK01204 Sample ID: 178923004 Client ID: YANKOOl Vol. Recv.:

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

< 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 ND Analyte concentration is not detected above the detection limit 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

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company : Connecticut Yankee Atomic Power Address 362 Irijun Hollow Rd East Hampton, Connecticut 06424 Report Date: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-004-F Proiect: YANK01204 Sample ID: 178923005 Client ID: YANKOOI Matrix: TS Vol. Recv.:

Collect Date: 03-JAN-07 Receive Date: 11-JAN-07 Collector: Client Moisture: 5.:01%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtc Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.597 +/-0.134 0.041 +/-0.134 0.0899 pCi/g MJHI 01/13/07 1049 602161 1 Americium-241 U -0.0411 +/-0.0445 0.0381 +/-0.0445 0.0793 pCi/g Bismuth-212 0.457 +/-0.244 0.103 +/-0.244 0.222 pCi/g Bismuth-214 0.392 +/-0.0712 0.0248 +/-0.0712 0.053 pCi/g Cesium- 134 UI 0.00 +/-0.017 0.0178 +/-0.017 0.0378 pCi/g Cesium- 137 U 0.00538 +/-0.017 0.0137 +/-0.017 0.0293 pCi/g Cobalt-60 U -0.0041 +/-0.0173 0.0145 +/-0.0173 0.032 pCi/g Europium- 152 U -0.0319 +/-0.0387 0.0317 +/-0.0387 0.0672 pCi/g Europium- 154 U -0.0112 +/-0.0477 0.0402 +/-0.0477 0.0886 pCi/g Europium- 155 U 0.0589 +/-0.0612 0.0324 +/-0.0612 0.0676 pCi/g Lead-212 0.499 +/-0.0614 0.0189 +/-0.0614 0.0395 pCi/g Lead-214 0.451 +/-0.0741 0.0241 +/-0.0741 0.0509 pCi/g Manganese-54 U 0.00781 +/-0.0154 0.0138 +/-0.0154 0.0298 pCi/g Niobium-94 U 0.00439 +/-0.0152 0.0136 +/-0.0152 0.0289 pCi/g Potassium-40 11.5 +/-1.04 0.125 +/-1.04 0.280 pCi/g Radium-226 0.392 +/-0.0712 0.0248 +/-0.0712 0.053 pCi/g Silver-108m U -0.002 +/-0.0135 0.0114 +/-0.0135 0.0243 pCi/g Thallium-208 0.174 +/-0.0439 0.0117 +/-0.0439 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 JMBI 01/11/07 1139 601631 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

• • Analyte is a surrogate compound 44

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-004-F Proiect: YANK01204 Client Vol. Recv.: YANK001 Sample ID: 178923005 ID:

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

< 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 ND Analyte concentration is not detected above the detection limit 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.

45

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-005-F Project: YANK01204 Sample ID: 178923006 Client ID: YANKOO1 Matrix: TS Vol. Recv.:

Collect Date: 03-JAN-07 Receive Date: 11-JAN-07 Collector: Client Moisture: 5.76%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Rad Gamma Spec Analysis Gammna,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 1.21 +/-0.289 0.112 +/-0.289 0.223 pCi/g MJHI 01/13/07 1131 602161 1 Americium-241 U 0.0631 - +/-0.0512 0.0405 +/-0.0512 0.081 pCi/g Bismuth-212 0.821 +/-0.436 0.223 +/-0.436 0.445 pCi/g Bismuth-214 0.764 +/-0.148 0.0612 +/-0.148 0.122 pCi/g Cesium- 134 Ul 0.00 k/-0.0857 0.0434 +/-0.0857 0.0868 pCi/g Cesium-137 U 0.0019 k/-0.0363 0.0314 +/-0.0363 0.0628 pCi/g Cobalt-60 U -0.00458 k/-0.0424 0.0345 +/-0.0424 0.069 pCi/g Europium-152 U 0.0404 +/-0.109 0.0732 +/-0.109 0.146 pCi/g Europium- 154 U 0.0464 +/-0.133 0.114 +/-0.133 0.229 pCi/g Europium-155 U 0.0377 /*-0.0768 0.066 +/-0.0768 0.132 pCi/g Lead-212 1.16 +/-0.132 0.0382 +/-0.132 0.0763 pCi/g Lead-214. 0.905 +/-0.144 0.0531 +/-0.144 0.106 pCi/g Manganese-54 U 0.0357 +/-0.0502 0.0312 +/-0.0502 0.0623 pCi/g Niobium-94 U-0.000566 +/-0.033 0.0284 +/-0.033 0.0567 pCi/g Potassium-40 21.4 +/-1.75 0.253 +/-.1.75 0.505 pCi/g Radium-226 0.764 +/-0.148 0.0612 +/-0.148 0.122 pCi/g Silver-108m U -0.0168 +/-0.0317 0.0259 +/-0.0317 0.0517 pCi/g Thallium-208 0.427 F/-0.0796 0.0301 +/-0.0796 0.0601 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 JMBI 01/11/07 1139 601631 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

• • Analyte is a surrogate compound 46

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-005-F Project: YANKO 1204 Sample ID: 178923006 Client ID: YANKOOI Vol. Recv.:

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

< 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 ND Analyte concentration is not detected above the detection limit 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.

47

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-006-F Proiect: YANKO1204 Sample ID: 178923007 Client ID: YANKOOI Matrix: TS Vol. Recv.:

Collect Date: 03-JAN-07 Receive Date: 11-JAN-07 Collector: Client Moisture: 21.7%

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

Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 1.03 +/-0.116 0.0414 +/-0.116 0.0872 pCi/g MJH1 01/13/07 1340 602161 1 Americium-241 U 0.000154 +/-0.0188 0.0157 +/-0.0188 0.032 pCi/g Bismuth-212 0.738 +/-0.209 0.0866 +/-0.209 0.182 pCi/g Bismuth-214 0.846 +/-0.0695 0.0226 +/-0.0695 0.047 pCi/g Cesium- 134 Ut 0.00 +/-0.0331 0.0171 +/-0.0331 0.0354 pCi/g Cesium-137 0.135 +/-0.0328 0.0131 +/-0.0328 0.0273 pCi/g Cobalt-60 U 0.011 +/-0.0166 0.0144 +/-0.0166 0.0305 pCi/g Europium- 152 U -0.017 +/-0.0372 0.030 +/-0.0372 0.0619 pCi/g Europium- 154 U -0.0247 +/-0.0498 0.040 +/-0.0498 0.0846 pCi/g Europium-I155 U 0.0391 +/-0.0354 0.0248 +/-0.0354 0.0508 pCi/g Lead-212 1.06 +/-0.0443 0.0164 +/-0.0443 0.0336 pCi/g Lead-214 0.924 +/-0.0552 0.0216 +/-0.0552 0.0446 pCi/g Manganese-54 U 0.0245 +/-0.0196 0.0126 +/-0.0196 0.0264 pCi/g Niobium-94 U 0.00556 +/-0.013 0.011 +/-0.013 0.023 pCi/g Potassium-40 11.1 +/-0.620 0.104 +/-0.620 0.226 pCi/g Radium-226 0.846 +/-0.0695 0.0226 +/-0.0695 0.047 pCi/g Silver- 108m U -0.00104 +/-0.0127 0.0109 +/-0.0127 0.0226 pCi/g Thallium-208 0.309 +/-0.0402 0.0122 +/-0.0402 0.0254 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 JMBI 01/11/07 1139 601631 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

• • Analyte is a surrogate compound 48

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-006-F Proiect: YANK01204 Sample ID: 178923007 Client ID: YANKOO Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Trime Batch Mt(

< 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 ND Analyte concentration is not detected above the detection limit 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

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-007-F Project: YANK01204 Sample ID: 178923008 Client ID: YANKOOl Matrix: TS Vol. Recv.:

Collect Date: 03-JAN-07 Receive Date: 11-JAN-07 Collector: Client Moisture: 9.17%

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

Rad Gamma Spec Analysis Ganima,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.534 +/-0.0643 0.022 +/-0.0643 0.0456 pCi/g MJH1 01/13/07 1340 602161 1 Americium-241 U -0.017 +/-0.0301 0.0262 +/-0.0301 0.0533 pCi/g Bismuth-212 0.264 +/-0.0926 0.047 +/-0.0926 0.0974 pCi/g Bismuth-214 0.361 +/-0.0341 0.0123 +/-0.0341 0.0254 pCi/g Cesium-134 Ul 0.00 +/-0.0178 0.00809 +/-0.0178 0.0167 pCi/g Cesium-137 0.0186 +/-0.0117 0.00665 +/-0.0117 0.0137 pCi/g Cobalt-60 U -0.00348 +/-0.00721 0.00597 +/-0.00721 0.0126 pCi/g Europium-152 U -0.00493 +/-0.0191 0.0171 +/-0.0191 0.035 pCi/g Europium- 154 U -0.00395 +/-0.0238 0.0202 +/-0.0238 0.0421 pCi/g Europium-I155 U 0.0328 +/-0.0266 0.021 +/-0.0266 0.0427 pCi/g Lead-212 0.483 +/-0:0248 0.0101 +/-0.0248 0.0206 pCi/g Lead-214 0.395 +/-0.0331 0.0121 +/-0.0331 0.0249 pCi/g Manganese-54 U 0.000354 +/-0.00731 0.00633 +/-0.0073 I 0.0131 pCi/g Niobium-94 U 0.00224 +/-0.00665 0.00594 +/-0.00665 0.0123 pCi/g Potassium-40 10.4 +/-0.344 0.0553 +/-0.344 0.117 pCi/g Radium-226 0.361 +/-0.0341 0.0123 +/-0.0341 0.0254 pCi/g Silver- 108m U 0.00481 +/-0.00659 0.00596 +/-0.00659 0.0123 pCi/g Thallium-208 0.148 +/-0.0174 0.00594 +/-0.0174 0.0123 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 JMBI 01/11/07 1139 601631 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

• • Analyte is a surrogate compound 50

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-007-F Proiect: YANK01204 Sample ID: 178923008 Client ID: YANKOOI Vol. Recv.:

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

< Result is less than value reported

> Result is greater than value reported A The TIC is a suspected aldol-condensation product B Target anaiyte 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 ND Analyte concentration is not detected above the detection limit 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

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-008-F Proiect: YANK01204 Sample ID: 178923009 Client ID: YAN K001 Matrix: TS Vol. Recv.:

Collect Date: 03-JAN-07 Receive Date: 11-JAN-07 Collector: Client Moisture: 4.73%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtc Rad Gamma Spec Analysis Gamma,Solid-FSSGAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.466 +/-0.132 0.0537 +/-0.132 0.116 pCi/g MJH1 01/15/07 0634 602161 1 Americium-241 U 0.0197 +/-0.0623 0.0566 +/-0.0623 0.118 pCi/g Bismuth-212 U 0.189 +/-0.193 0.105 +/-0.193 0.227 pCi/g Bismuth-214 0.333 +1- 0.0769 0.0235 +/-0.0769 0.0507 pCi/g Cesium- 134 U 0.0221 +1- 0.0209 0.0163 +/-0.0209 0.0351 pCi/g Cesium-137 U -0.0083 +1- 0.0152 0.0127 +/-0.0152 0.0276 pCi/g Cobalt-60 U 0.00874 +1- 0.0159 0.0135 +/-0.0159 0.0303 pCi/g Europium- 152 U 0.0131 +1- 0.0384 0.0345 +/-0.0384 0.073 pCi/g Europium- 154 U -0.0376 +1- 0.0444 0.034 +/-0.0444 0.0772 pCi/g Europium- 155 U 0.0243 +1- 0.0393 0.0386 +/-0.0393 0.0802 pCi/g Lead-212 0.436 +1- 0.0608 0.0215 +/-0.0608 0.0449 pCi/g Lead-214 0.316 +1- 0.0622 0.0249 +/-0.0622 0.0528 pCi/g Manganese-54 U -0.00613 +1- 0.0151 0.0125 +/-0.0151 0.0273 pCi/g Niobium-94 U -6.370E- +1- 0.0136 0.012 +/-0.0136 0.0258 pCi/g 05 Potassium-40 9.31 +/-0.970 0.126 +/-0.970 0.286 pCi/g Radium-226 0.333 +/-0.0769 0.0235 +/-0.0769 0.0507 pCi/g Silver- 108m U -0.00544 +/-0.0128 0.0114 +/-0.0128 0.0245 pCi/g Thallium-208 0.144 +/-0.0359 0.012 +/-0.0359 0.026 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 JMB1 01A11/07 1139 601631 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 52

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-008-F Project: YANKO 1204 Sample ID: 178923009 Client ID: YANK001 Vol. Recv.:

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

• • Analyte is a surrogate compound

< 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 ND Analyte concentration is not detected above the detection limit 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.

53

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-009-F ProIect: YANK01204 Sample ID: 178923010 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 03-JAN-07 Receive Date: 11-JAN-07 Collector: Client Moisture: 5.21%

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

Rad Alpha Spec Analysis AIphaspec Am241, Cm, Solid ALL FSS Americium-241 U -0.0204 +/-0.0654 0.0677 +/-0.0654 0.213 pCi/g MXA 01/12/07 1919 601896 1 Curium-242 U 0.0297 +/-0.0583 0.00 +/-0.0584 0.0806 pCi/g Curium-243/244 U 0.00913 +/-0.0867 0.0677 +/-0.0867 0.213 pCi/g AIphaspec Pu, Solid-ALL FSS Plutonium-238 U -0.0127 +/-0.0547 0.0335 +/-0.0547 0.139 pCi/g MXA 01/12/07 1614 601897 2 A

Plutonium-239/240 U 0.00106 +/-0.0574 0.0474 +/-0.0574 0.166 pCi/g LiquidScini Pu241, Solid-ALL FSS Plutonium-241 U -1.74 +/,-8.36 7.09 +/-8.36 14.8 pCi/g MXA 01/16/07 0711 601898 3 I

Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingnr wth Waived Actinium-228 0.474 +/-0.140 0.053 +/-0.140 0.116 pCi/g MJHI 01/15/07 0635 602161 4 Americium-241 U -0.0345 +/-0.104 0.0728 +/-0.104 0.152 pCi/g Bismuth-212 0.322 +/-0.166 0.106 +/-0.166 0.231 pCi/g Bismuth-214 0.279 +/-0.0618 0.0282 +/-0.0618 0.0604 pCi/g Cesium-134 U 0.0401 +/-0.0262 0.019 +/-0.0262 0.0408 pCi/g Cesium-137 U 0.0175 +/-0.0174 0.0165 +/-0.0174 0.0353 pCi/g Cobalt-60 U 0.00991 +/-0.0179 0.0148 +/-0.0179 0.0334 pCi/g Europium-152 U 0.0132 +/-0.0441 0.0388 +/-0.0441 0.0822 pCi/g Europium-154 U 0.000304 +/-0.0612 0.0522 +/-0.0612 0.115 pCi/g Europium-155 U 0.0587 +/-0.0881 0.0423 +/-0.0881 0.0881 pCi/g Lead-212 0.438 +/-0.0512 0.0226 +/-0.0512 0.0474 pCi/g Lead-214 0.365 +/-0.0752 0.0276 +/-0.0752 0.0585 pCi/g Manganese-54 U 0.0334 +/-0.0183 0.0182 +/-0.0183 0.0389 pCi/g Niobium-94 U 0.00076 +/-0.0159 0.0138 +/-0.0159 0.0296 pCi/g Potassium-40 9.39 +/-0.771 0.134 +/-0.771 0.305 pCi/g Radium-226 0.279 +/-0.0618 0.0282 +/-0.0618 0.0604 pCi/g Silver-108m U -0.0116 +/-0.0145 0.0123 +/-0.0145 0.0263 pCi/g Thallium-208 0.142 +/-0.0333 0.0136 +/-0.0333 0.0294 pCi/g Rad Gas Flow Proportional Counting GFPC,St90, solid-ALL FSS Strontium-90 U -0.0185 +/-0.0246 0.0216 +/-0.0246 0.0458 pCi/g , KSD1 01/15/07 1802 601901 5 Rad Liquid Scintillation Analysis 54

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-009-F Project: YANK01204 Sample ID: 178923010 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtc Rad Liquid Scintillation Analysis LSC, Tritium Dist, Solid - 3 pCi/g Tritium U 0.425 +/-1.30 1.06 +/-+/-1.30 2.28 pCi/g MXPI 01/15/07 1356 601909 6 Liquid Scint C14, SolidAllFSS Carbon-14 U -0.0537 +/-0.117 0.0994 +/-0.117 0.203 pCi/g MXPI 01/15/07 1428 601910 7 Liquid Scint Fe55, Solid-ALL FSS Iron-55 U 3.64 +/-30.4 21.3 +/-30.4 45.0 pCi/g MXPI 01/18/070745 602972 8 Liquid Scint Ni63, Solid-ALL FSS Nickel-63 U 14.6 +/-10.9 8.50 +/-10.9 17.9 pCi/g KXRI 01/15/07 1003 601907 1(

Liquid Scint Tc99, Solid-ALL FSS Technetium-99 U 0.129 +/-0.183 0.151 +/-0.183 0.308 pCi/g MXPI 01/17/07 1035 601908 11 The following Prep Methods were performed Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 JMB1 01/11/07 1139 601631 The following Analytical Methods were performed Method Description I DOE EML HASL-300, Am-05-RC Modified 2 DOE EML HASL-300, Pu-I 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 EERF C-01 Modified 8 DOE RESL Fe-I, Modified 9 DOE RESL Fe-I, Modified 10 DOE RESL Ni-I, Modified 11 DOE EML HASL-300, Tc-02-RC Modified 12 DOE EML HASL-300, Tc-02-RC Modified Surrogate/Tracer recovery Test Recovery% Acceptable Limits Americium-243 Alphaspec Am241, Cm, Solid ALL 96 (15%-125%)

Plutonium-242 Alphaspec Pu, Solid-ALL FSS 91 (15%-125%)

Plutonium-241 Liquid Scint Pu241, Solid-ALL FS 96 (25%-125%)

55

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-009-F Project: YANKO 1204 Sample ID: 178923010 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtc Carrier/Tracer Recovery Liquid Scint Pu241, Solid-ALL FS 96 (25%-125%)

Strontium-90 GFPC, Sr90, solid-ALL FSS 84 (25%-125%)

Carrier/Tracer Recovery GFPC, Sr90, solid-ALL FSS 84 (25%-125%)

Nickel-63 Liquid Scint Ni63, Solid-ALL FS 75 (25%- 125%)

Carrier/Tracer Recovery Liquid Scint Ni63, Solid-ALL FS 75 (25%-125%)

Technetium-99 Liquid Scint Tc99, Solid-ALL FS 77 (15%-125%)

Carrier/Tracer Recovery Liquid Scint Tc99, Solid-ALL FS 77 (15%-125%)

/I Notes:

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

< 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 ND Analyte concentration is not detected above the detection limit 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

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-010-F Proiect: YANK01204 Sample ID: 178923011 Client ID: YANKOO0 Matrix: TS Vol. Recv.:

Collect Date: 03-JAN-07 Receive Date: 1 I-JAN-07 Collector: Client Moisture: 20.4%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Rad Alpha Spec Analysis A Iphaspec Am241, Cm, Solid ALL FSS Americium-241 U 0.00451 +/-0.0954 0.0777 +/-0.0954 0.238 pCi/g MXA 01/12/07 1919 601896 1 1

Curium-242 U -0.0153 +/-0.066 0.0405 +/-0.0661 0.167 pCi/g Curium-243/244 U 0.0882 +/-0.156 0.0991 +/-0.156 0.281 pCi/g Alphaspec Pu, Solid-ALL FSS Plutonium-238 U -0.0517 +/-0.0638 0.0684 +/-0.0639 0.210 pCi/g MXA 01/12/07 1614 601897 2 1

Plutonium-239/240 U -0.168 +/-0.0834 0.123 +/-0.0849 0.319 pCi/g Liquid Scini Pu241, Solid-ALL FSS Plutonium-241 U -1.53 +/-8.30 7.03 +/-8.30 14.7 pCi/g MXA 01/15/07 2305 601898 3 I

Rad Gamma Spec Analysis Gamma,Solid-FSSGAM & ALL FSS 226 Ingrowth Waived Actinium-228 1.06 +/-0.122 0.0462 +/-0.122 0.0973 pCi/g MJHI 01/15/07 0635 602161 4 Americium-241 U 0.0313 +/-0.101 0.0759 +/-0.101 0.156 pCi/g Bismuth-212 0.532 +/-0.217 0.103 +/-0.217 0.215 pCi/g Bismuth-214 0.878 +/-0.0793 0.0246 +/-0.0793 0.0511 pCi/g Cesium- 134 UI 0.00 +/-1--0.0218 0.0176 +/-0.0218 0.0366 pCi/g Cesium- 137 0.237 +/-1--0.0334 0.0135 +/'ý-0.0334 0.0282 pCi/g Cobalt-60 U 0.0127 +1--0.0175 0.0153 +/-0.0175 0.0326 pCi/g Europium-I152 U -0.0286 +1--0.0415 0.0327 +/-0.0415 0.0676 pCi/g Europium- 154 U -0.0571 +1--0.0503 0.0381 +/-0.0503 0.0815 pCi/g Europium- 155 U 0.0835 +/-1--0.0458 0.0418 +/-0.0458 0.0853 pCi/g Lead-212 1.11 +1--0.0518 0.0195 +/-0.0518 0.040 pCi/g Lead-214 1.03 +1--0.0817 0.0238 +/-0.0817 0.0492 pCi/g Manganese-54 U 0.0114 +1--0.0262 0.0121 +/-0.0262 0.0256 pCi/g Niobium-94 U 0.00953 +/-1--0.0146 0.0125 +/-0.0146 0.026 pCi/g Potassium-40 10.5 +/-0.675 0.119 +/-0.675 0.258 pCi/g Radium-226 0.878 +/-0.0793 0.0246 +/-0.0793 0.0511 pCi/g Silver-108m U 0.0022 +/-0.0135 0.0117 +/-0.0135 0.0242 pCi/g Thallium-208 0.307 +/-0.0345 0.0126 +/-0.0345 0.0263 pCi/g Rad Gas Flow Proportional Counting GFPC,S90, solid-ALL FSS Strontium-90 0.0491 +/-0.0289 0.0217 +/-0.029 0.046 pCi/g KSDI 01/15/07 1802 601901 5 57

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-010-F Proiect: YANK01204 Sample ID: 178923011 Client ID: YANKOO I Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mtd Rad Liquid Scintillation Analysis LSC, Tritium Dist, Solid - 3 pCi/g Tritium U -0.161 +/-1.28 1.09 +/-1.28 2.34 pCi/g MXPI 01/15/07 1428 601909 7 Liquid Scint C14, SolidAll,FSS Carbon-14 U -0.0103 +/-0.117 0.0981 +/-0.117 0.200 pCi/g MXPI 01/15/07 1532 601910 8 Liquid Scint Fe55, Solid-ALL FSS Iron-55 U 2.71 +/-25.1 17.7 +/-25.1 37.4 pCi/g MXPI 01/18/07 0802 602972 9 Liquid Scint Ni63, Solid-ALL FSS Nickel-63 U 5.75 +/-10.1 8.22 +/-10.1 17.3 pCi/g KXRI 01/15/07 1019 601907 11 Liquid Scint Tc99, Solid-ALL FSS Technetium-99 U 0.189 +/-0.261 0.216 +/-0.261 0.440 pCi/g MXPI 01/17/07 1122 601908 12 The following Prep Methods were performed Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 JMB1 01/I 1/07 1139 601631 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- I1-RC Modified 4 EML HASL 300, 4.5.2.3 5 EPA 905.0 Modified 6 EPA 905.0 Modified 7 EPA 906.0 Modified 8 EPA EERF C-0I Modified 9 DOE RESL Fe-I, Modified 10 DOE RESL Fe-I, 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 89 (15%-125%)

Plutonium-242 Alphaspec Pu, Solid-ALL FSS 87 (15%-125%)

58

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-010-F Proiect: YANK01204 Sample ID: 178923011 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mt, Plutonium-241 Liquid Scint Pu241, Solid--ALL Fý 89 (25%-125%)

Carrier/Tracer Recovery Liquid Scint Pu241, Solid-ALL FS 89 (25%-125%)

Strontium-90 GFPC, Sr90, solid-ALL FSS 82 (25%-125%)

Carrier/Tracer Recovery GFPC, Sr90, solid-ALL FSS 82 (25%-125%)

Nickel-63 Liquid Scint Ni63, Solid-ALL FS 79 (25%-125%)

Carrier/Tracer Recovery Liquid Scint Ni63, Solid-ALL FS 79 (25%-125%)

Technetium-99 Liquid Scint Tc99, Solid-ALL FS 53 (15%-125%)

Carrier/Tracer Recovery Liquid Scint Tc99, Solid-ALL FS 53 (15%-125%)

Notes:

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

< 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 ND Analyte concentration is not detected above the detection limit 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.

59

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-011-F Proiect: YANKO 1204 Sample ID: 178923012 Client ID: YANKOO I Matrix: TS Vol. Recv.:

Collect Date: 03-JAN-07 Receive Date: 11-JAN-07 Collector: Client Moisture: 16.9%

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

Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.978 +/-0.207 0.0801 +/-0.207 0.174 pCi/g MJHI 01/15/070635 602161 1 Americium-241 U -0.00681 +/-0.0338 0.0299 +/-0.0338 0.0617 pCi/g Bismuth-212 1.06 +/-0.437 0.151 +/-0.437 0.327 pCi/g Bismuth-214 0.688 +/-0.125 0.0406 +/-0.125 0.0868 pCi/g Cesium-134 U 0.033 +/-0.031 0.0282 +/-0.03 I 0.0603 pCi/g Cesium-137 0.211 +/-0.0532 0.0211 +/-0.0532 0.0454 pCi/g Cobalt-60 U -0.00081 +/-0.0248 0.0208 +/-0.0248 0.0468 pCi/g Europium-152 U -0.00783 +/-0.0611 0.0532 +/-0.0611 0.112 pCi/g Europium-154 U 0.0586 +/-0.0491 0.0571 +/-0.0491 0.128 pCi/g Europium-155 U 0.0586 +/-0.0633 0.0526 +/-0.0633 0.109 pCi/g Lead-212 0.844 +/-0.072 0.0334 +/-0.072 0.0695 pCi/g Lead-214 0.769 +/-0.114 0.0412 +/-0.114 0.0868 pCi/g Manganese-54 U 0.0087 +/-0.0263 0.0225 +/-0.0263 0.0485 pCi/g Niobium-94 U 0.00804 +/-0.0241 0.0208 t/-0.0241 0.0445 pCi/g Potassium-40 11.0 +/-1.01 0.209 +/-1.01 0.471 pCi/g Radium-226 0.688 +/-0.125 0.0406 +/-0.125 0.0868 pCi/g Silver-108m U 0.0136 +/-0.0229 0.0206 +/-0.0229 0.0435 pCi/g Thallium-208 0.288 +/-0.0579 0.0235 +/-0.0579 0.050 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 JMB 1 01/11/07 1139 601631 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

• • Analyte is a surrogate compound 60

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-011-F Project: YANK01204 Sample ID: 178923012 Client ID: YANK001 Vol. Recv.:

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

< 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 ND Analyte concentration is not detected above the detection limit 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 p'reservation holding time was exceeded The above sample is reported on a dry weight basis.

61

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-012-F Project: YANK01204 Sample ID: 178923013 Client ID: YANKOO1 Matrix: TS Vol. Recv.:

Collect Date: 03-JAN-07 Receive Date: 11-JAN-07 Collector: Client Moisture: 8%

Parameter Qualifier Result Uncertainty 'LC TPU MDA Units DF Analyst Date Time Batch Mt(

Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.665 +/-0.155 0.0571 +/-0.155 0.124 pCi/g MJH1 01/15/070636 602161 1 Americium-24 I U 0.00252 +/-0.0893 0.0724 +/-0.0893 0.150 pCi/g Bismuth-212 UI 0.00 +/-0.226 0.106 +/-0.226 0.231 pCi/g Bismuth-214 0.546 +/-0.102 0.0281 +/-0.102 0.0601 pCi/g Cesium- 134 U 0.023 +/-0.0261 0.020 +/-0.0261 0.0427 pCi/g Cesium-I 37 U 0.0289 +/-0.0379 0.0167 +/-0.0379 0.0358 pCi/g Cobalt-60 U 0.00158 +/-0.0192 0.0163 +/-0.0192 0.0362 pCi/g Europium- 152 U 0.0277 +/-0.0437 0.0413 +/-0.0437 0.087 pCi/g Europium- 154 U -0.0701 +/-0.0793 0.0492 +/-0.0793 0.108 pCi/g Europium- 155 U 0.0379 +/-0.0504 0.0487 +/-0.0504 0.101 pCi/g Lead-212 0.633 +/-0.0711 0.0213 +/-0.0711 0.0445 pCi/g Lead-214 0.672 +1-0.105 0.0286 +/-0.105 0.0603 pCi/g Manganese-54 U 0.0102 +/-0.0199 0.0183 +/-0.0199 0.039 pCi/g Niobium-94 U 0.015 +/-0.0161 0.0148 +/-0.0161 0.0317 pCi/g Potassium-40 10.1 +/-1.00 0.148 +/-1.00 0.333 pCi/g Radium-226 0.546 +/-0.102 0.0281 +/-0.102 0.0601 pCi/g Silver- 108m U -0.00218 +/-0.0153 0.0135 +/-0.0153 0.0287 pCi/g Thallium-208 0.205 +/-0.049 0.015 +/-0.049 0.0321 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 JMB1 01/11/07 1139 601631 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

• • Analyte is a surrogate compound 62

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-012-F Project: YANK01204 Sample ID: 178923013 Client ID: YANK001 Vol. Recv.:

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

< 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 ND Analyte concentration is not detected above the detection limit 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.

63

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-013-F Proiect: YANK01204 Sample ID: 178923014 Client ID: YANKOO 1 Matrix: TS Vol. Recv.:

Collect Date: 03-JAN-07 Receive Date: 1 I-JAN-07 Collector: Client Moisture: 5.41%

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

Rad Gamma Spec Analysis Gamma,Solid-FSSGAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.273 +/-0.124 0.0417 +/-0.124 0.0916 pCi/g MJHI 01/15/07 0636 602161 1 Americium-241 U -0.00658 +/-0.0538 0.0518 +/-0.0538 0.108 pCi/g Bismuth-212 0.341 +/-0.235 0.0871 +/-0.235 0.190 pCi/g Bismuth-214 0.237 +/-0.065 0.0222 +/-0.065 0.0478 pCi/g Cesium-134 UI '0.00 +/-0.0185 0.0154 +/-0.0185 0.0332 pCi/g Cesium-137 U -0.0179 +/-0.0157 0.012 +/-0.0157 0.0259 pCi/g Cobalt-60 U 0.0149 +/-0.0142 0.0138 +/-0.0142 0.0308 pCi/g Europium- 152 U -0.0203 +/-0.0359 0.0316 +/-0.0359 0.0671 pCi/g Europium- 154 U 0.0101 +/-0.048 0.0368 +/-0.048 0.0819 pCi/g Europium- 155 U -0.00922 +/-0.0369 0.0341 +/-0.0369 0.0711 pCi/g Lead-212 0.260 +/-0.0443 0.0185 +/-0.0443 0.0387 pCi/g Lead-214 0.217 +/-0.0594 0.0241 +/-0.0594 0.051 pCi/g Manganese-54 U 0.00467 +/-0.0137 0.0125 +/-0.0137 0.0272 pCi/g Niobiurm-94 U -0.00674 +/-0.0138 0.0112 +/-0.0138 0.0242 pCi/g Potassium-40 6.03 +/-0.689 0.108 +/-0.689 0.246 pCi/g Radium-226 0.237 +/-0.065 0.0222 +/-0.065 0.0478 pCi/g Silver-108m U 0.00552 +/-0.0135 0.0111 +/-0.0135 0.0238 pCi/g Thallium-208 0.0797 +/-0.034 0.0129 +/-0.034 0.0277 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 JMB1 01/I 1/07 1139 601631 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

• • Analyte is a surrogate compound 64

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-013-F Proiect: YANK01204 Sample ID: 178923014 Client ID: YANKOOI Vol. Recv.:

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

< 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 ND Analyte concentration is not detected above the detection limit 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.

65

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-014-F Proiect: YANKO 1204 Sample ID: 178923015 Client ID: YANKOO 1 Matrix: TS Vol. Recv.:

Collect Date: 03-JAN-07 Receive Date: 11-JAN-07 Collector: Client Moisture: 5.42%

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 0.335 d-/-0.0928 0.0384 +/-0.0928 0.0828 pCi/g MJHI 01/15/070637 602161 1 Americium-241 U 0.0071 +/-0.046 0.0429 +/-0.046 0.0891 pCi/g Bismuth-212 U 0.154 +/-0.161 0.0781 +/-0.161 0.168 pCi/g Bismuth-214 0.249 +/-0.059 0.0235 +/-0.059 0.0496 pCi/g HI +/-0.0229 Cesium- 134 U 0.0221 -/-0.0229 0.0132 0.0281 pCi/g Ht +/-0.0132 Cesium- 137 U 0.0106 -/-0.0132 0.0114 0.0243 pCi/g Cobalt-60 U 0.00988 +/-0.032 0.012 +/-0.032 0.0261 pCi/g HF +/-0.0342 Europium- 152 U 0.0179 -/-0.0342 0.0308. 0.0647 pCi/g H} 0.0303 +/-0.0374 Europium- 154 U -0.0139 -/-0.0374 0.0665 pCi/g Ht +/-0.0413 Europium- 155 U 0.00296 -/-0.0413 0.0369 0.0765 pCi/g HI +/-0.0427 Lead-212 0.376 -/-0.0427 0.0187 0.039 pCi/g 0.304 Ht-/-0.0554 +/-0.0554 0.0429 pCi/g Lead-214 0.0203 Ht +/-0.0143 Manganese-54 U -0.00686 /-0.0143 0.0116 0.0249 pCi/g Niobium-94 U 0.00151 /-0.0125 0.0109 +/-0.0125 0.0231 pCi/g Potassium-40 5.97 +/-0.515 0.0986 +1-0.515 0.219 pCi/g Radium-226 0.249 +/-0.059 0.0235 +/-0.059 0.0496 pCi/g Silver-108m U -0.00697 +/-0.0144 0.0102 +/-0.0144 0.0216 pCi/g Thallium-208 0.114 +/-0.0307 0.0117 +/-0.0307 0.0248 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 JMBI 01/11/07 1139 601631 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

• • Analyte is a surrogate compound 66

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-014-F Proiect: YANK01204 Sample ID: 178923015 Client ID: YANK001 Vol. Recv.:

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

< 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 ND Analyte concentration is not detected above the detection limit 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.

67

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-015-F Project: YANKO 1204 Sample ID: 178923016 Client ID: YANKOO0 Matrix: TS Vol. Recv.:

Collect Date: 03-JAN-07 Receive Date: 11-JAN-07 Collector: Client Moisture: 8.31%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mt4 Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.462 +/-0.118 0.0533 +/-0.118 0.107 pCi/g MJH1 01/15/07 0643 602161 1 Americium-241 U -0.0192 k/-0.0703 0.056 +/-0.0703 0.112 pCi/g Bismuth-212 0.343 +/-0.239 0.110 +/-0.239 0.219 pCi/g Bismuth-214 0.295 +/-0.0594 0.0291 +/-0.0594 0.0582 pCi/g Cesium-134 U 0.0152 +/-0.0323 0.0175 +/-0.0323 0.035 pCi/g Cesium-137 U -0.00627 +/-0.016 0.0131 +/-0.016 0.0262 pCi/g Cobalt-60 U -0.00435 +/-0.0205 0.0169 +/-0.0205 0.0338 pCi/g Europium-152 U 0.0102 +/-0.0598 0.0413 +/-0.0598 0.0826 pCi/g Europium-154 U -0.0104 k/-0.0608 0.0428 +/-0.0608 0.0855 pCi/g Europium-155 U 0.0175 -+/-0.0477 0.0437 +/-0.0477 0.0872 pCi/g Lead-212 0.416 +/-0.058 0.0237 +/-0.058 0.0474 pCi/g Lead-214 0.320 U/-0.0727 0.0265 +/-0.0727 0.053 pCi/g Manganese-54 U 0.0201 k/-0.0319 0.0169 +/-0.0319 0.0337 pCi/g Niobium-94 U 0.00718 k/-0.0167 0.0147 +/-0.0167 0.0295 pCi/g Potassium-40 6.35 +/-0.703 0.143 +/-0.703 0.286 pCi/g Radium-226 0.295 +/-0.0594 0.0291 +/-0.0594 0.0582 pCi/g Silver-108m U -0.00287 F/-0.0156 0.0135 +/-0.0156 0.027 pCi/g

-q Thallium-208 0.144 +/-0.0372 0.0144 +/-0.0372 0.0287 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 JMB1 01/11/07 1139 601631 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

• • Analyte is a surrogate compound 68

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-015-F Project: YANK01204 Sample ID: 178923016 Client ID: YANKOO Vol. Recv.:

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

< 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 ND Analyte concentration is not detected above the detection limit 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

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-016-1 Proiect: YANK01204 Sample ID: 178923017 Client ID: YANKOO1 Matrix: TS Vol. Recv.:

Collect Date: 05-JAN-07 Receive Date: 11-JAN-07 Collector: Client Moisture: 5.65%

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

Rad Gamma Spec Analysis Gammna,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 1.11 +/-0.261 0.106 +/-0.261 0.212 pCi/g MJHI 01/15/07 0643 602161 1 Americium-241 U 0.0615 +/-0.0475 0.0389 +/-0.0475 0.0778 pCi/g Bismuth-212 0.725 +/-0.424 0.231 +/-0.424 0.461 pCi/g Bismuth-214 1.04 +/-0.176 0.0515 +/-0.176 0.103 pCi/g Cesium- 134 U 0.0673 +/-0.0435 0.0355 +/-0.0435 0.0709 pCi/g Cesium- 137 U -0.00776 +/-0.0355 0.0306 +/-0.0355 0.0612 pCi/g Cobalt-60 U-0.000162 +/-0.0388 0.0322 +/-0.0388 0.0644 pCi/g Europium- 152 U -0.126 +/-0.0946 0.0644 +/-0.0946 0.129 pCi/g Europium- 154 U -0.0622 +/-0.145 0.0973 +/-0.145 0.194 pCi/g Europium- 155 U 0.0578 +/-0.0702 0.0626 +/-0.0702 0.125 pCi/g Lead-212 1.07 +/-0.120 0.0354 +/-0.120 0.0707 pCi/g Lead-214 1.15 +/-0.153 0.0496 +1-0.153 0.0991 pCi/g Manganese-54 U -0.0177 +/-0.0357 0.0296 +/-0.0357 0.0592 pCi/g Niobium-94 U -0.0172 +/-0.0284 0.0236 +/-0.0284 0.0473 pCi/g Potassium-40 19.8 +/- 1.47 0.237 +/-1.47 0.474 pCi/g Radium-226 1.04 +/-0.176 0.0515 +/-0.176 0.103 pCi/g Silver- 108m U 0.00535 +/-0.0281 0.0244 +/-0.0281 0.0488 pCi/g Thallium-208 0.373 +/-0.0714 0.0266 +/-0.0714 0.0531 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 JMBI 01/11/07 1139 601631 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

• • Analyte is a surrogate compound 70

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-016-I Project: YANK01204 Sample ID: 178923017 Client ID: YANKOOl Vol. Recv.:

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

< 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 ND Analyte concentration is not detected above the detection limit 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.

71

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-017-1 Project: YANKO 1204 Sample ID: 178923018 Client ID: YANKOO Matrix: TS Vol. Recv.:

Collect Date: 05-JAN-07 Receive Date: I I-JAN-07 Collector: Client Moisture: 5.17%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mt, Rad Gamma Spec Analysis Gamma,Solid-FSSGAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.717 +/-0.0948 0.0388 +/-0.0948 0.0811 pCi/g MJHI 01/15/07 1724 602161 1 Americium-241 U 0.0105 +/-0.0178 0.0157 +/-0.0178 0.032 pCi/g Bismuth-212 0.559 +/-0.158 0.0799 +/-0.158 0.167 pCi/g Bismuth-214 0.710 +/-0.055 0.020 +/-0.055 0.0415 pCi/g Cesium- 134 0.0596 +/-0.0263 0.0143 +/-0.0263 0.0296 pCi/g Cesium-137 U -0.00702 +/-0.0132 0.0112 +/-0.0132 0.0232 pCi/g Cobalt-60 U -0.00248 +/-0.013 0.011 +/-0.013 0.0234 pCi/g Europium- 152 U -0.0462 +/ -0.0285 0.0248 +/-0.0285 0.0511 pCi/g Europium- 154 U -0.0566 +1--0.0394 0.0307 +/-0.0394 0.0649 pCi/g Europium-155 U 0.0228 +1--0.0279 0.0265 +/-0.0279 0.054 pCi/g Lead-212 0.704 +1--0.0356 0.015 +/-0.0356 0.0307 pCi/g Lead-214 0.832 +1--0.0566 0.019 +/-0.0566 0.039 pCi/g Manganese-54 U 0.0209 +1--0.0107 0.0106 +/-0.0107 0.0221 pCi/g Niobium-94 U 0.00114 +/ -0.0118 0.0103 +/-0.0118 0.0213 pCi/g Potassium-40 15.2 +/-0.566 0.0819 +/-0.566 0.177 pCi/g Radium-226 0.710 +/-0.055 0.020 +/-0.055 0.0415 pCi/g Silver- 108m U 0.000721 +/-0.00988 0.00895 +/-0.00988 0.0185 pCi/g Thallium-208 0.241 +/-0.0304 0.0102 +/-0.0304 0.0212 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 JMB I 01/11/07 1139 601631 The following Analytical Methods were performed Method Description I EML HASL 300, 4.5.2.3 2 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 72

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-017-I Proiect: YANK01204 Sample ID: 178923018 Client ID: YANK001 Vol. Recv.:

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

• • Analyte is a surrogate compound

< 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 ND Analyte concentration is not detected above the detection limit 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.

73

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-018-I Proiect: YANKO t 204 Sample ID: 178923019 Client ID: YANKOO 1 Matrix: TS Vol. Recv.:

Collect Date: 05-JAN-07 Receive Date: 1 -JAN-07 Collector: Client Moisture: 6.4%

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

Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.820 +/-0.206 0.0635 +/-0.206 0.135 pCi/g MJH1 01/15/070649602161 1 Americium-241 U -0.0704 +/-0.0741 0.0675 +/-0.0741 0.138 pCi/g Bismuth-212 0.468 +/-0.221 0.138 +/-0.221 0.292 pCi/g Bismuth-214 0.998 +/-0.133 0.034 +/-0.133 0.0714 pCi/g Cesium-134 Ul 0.00 +/-0.0271 0.0227 +/-0.0271 0.0477 pCi/g Cesium-137 U 0.0368 +/-0.030 0.0202 +/-0.030 0.0423 pCi/g Cobalt-60 U -0.00632 +/-0.0256 0.0182 +/-0.0256 0.0395 pCi/g Europium-152 U 0.00528 +/-0.0652 0.0515 +/-0.0652 0.107 pCi/g Europium-154 U 0.00708 +/-0.0659 0.0573 +/-0.0659 0.123 pCi/g Europium-155 U 0.0474 +/-0.0742 0.0554 +/-0.0742 0.113 pCi/g Lead-212 0.867 +/-0.0884 0.0298 +/-0.0884 0.0613 pCi/g Lead-214 1.03 +/-0.121 0.0384 +/-0.121 0.0796 pCi/g Manganese-54 U -0.0147 +/-0.0256 0.0176 +/-0.0256 0.0373 pCi/g Niobium-94 U 0.0191 +/-0.0183 0.0168 +/-0.0183 0.0353 pCi/g Potassium-40 20.3 +/-1.53 0.119 +/-1.53 0.269 pCi/g Radium-226 0.998 +/-0.133 0.034 +/-0.133 0.0714 pCi/g Silver-108m U 0.00175 +/-0.0177 0.0159 +/-0.0177 0.0332 pCi/g Thallium-208 0.250 +/-0.0446 0.0173 +/-0.0446 0.0363 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 JMBI 01/11/07 1139 601631 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

• • Analyte is a surrogate compound 74

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-018-I Project: YANKO 1204 Sample 1D: 178923019 Client ID: YANK001 Vol. Recv.:

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

< 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 fromn 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 ND Analyte concentration is not detected above the detection limit 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.

75

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-019-I Project: YANK01204 Sample ID: 178923020 Client ID: YANKOO I Matrix: TS Vol. Recv.:

Collect Date: 05-JAN-07 Receive Date: I1-JAN-07 Collector: Client Moisture: 5.28%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch Mt, Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.588 +/-0.139 0.0444 +/-0.139 0.0966 pCi/g MJHI 01/15/070650602161 1 Americium-241 U -0.122 +/-0.0831 0.0678 +/-0.0831 0.140 pCi/g Bismuth-212 0.503 +/-0.192 0.0948 +/-0.192 0.205 pCi/g Bismuth-214 0.402 +/-0.0753 0.0274 +/-0.0753 0.0582 pCi/g Cesium-134 U 0.0181 +/-0.0192 0.0181 +/-0.0192 0.0384 pCi/g Cesium-137 U 0.0187 +/-0.0236 0.0151 +/-0.0236 0.0322 pCi/g Cobalt-60 U -0.00263 +/-0.0188 0.0155 +/-0.0188 0.034 pCi/g Europium-152 U -0.0589 +/-0.0482 0.0399 +/-0.0482 0.0835 pCi/g Europium- 154 U 0.091 +/-0.0707 0.0422 +/-0.0707 0.0925 pCi/g Europium- 155 U 0.0149 +/-0.0498 0.0483 +/-0.0498 0.0995 pCi/g Lead-212 0.500 +/-0.0498 0.0366 +/-0.0498 0.075 pCi/g Lead-214 0.530 +/-0.0761 0.0309 +/-0.0761 0.0644 pCi/g Manganese-54 U 0.00381 +/-0.0169 0.0151 +/-0.0169 0.0321 pCi/g Niobium-94 U 0.00633 +/-0.0152 0.0139 +/-0.0152 0.0295 pCi/g Potassium-40 11.5 +/-0.766 0.117 +/-0.766 0.265 pCi/g Radium-226 0.402 +/-0.0753 0.0274 +/-0.0753 0.0582 pCi/g Silver-108m U -0.00411 +/-0.0167 0.0143 +/-0.0167 0.0301 pCi/g Thallium-208 0.172 +/-0.0353 0.0149 +/-0.0353 0.0315 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 JMBI 01/11/07 1139 601631 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

• • Analyte is a surrogate compound 76

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-019-I Project: YANK01204 Sample ID: 178923020 Client ID: YANKOO Vol. Recv.:

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

< 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 ND Analyte concentration is not detected above the detection limit 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.

77

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-020-1 Project: YANK01204 Sample ID: 178923021 Client ID: YANKOO Matrix: TS Vol. Recv.:

Collect Date: 05-JAN-07 Receive Date: 1 I-JAN-07 Collector: Client Moisture: 8.5%

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

Rad Gamma Spec Analysis Ganima,Solid-FSSGAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.470 +/-0.112 0.0282 +/-0.112 0.0599 pCi/g MJHI 01/15/07 1719 602159 1 Americium-241 U -1.790E- +/-0.0485 0.0386 +1-0.0485 0.0792 pCi/g 05 Bismuth-212 0.270 +/-0.141 0.0745 +/-0.141 0.156 pCi/g Bismuth-214 0.324 +/-0.0574 0.0169 +/-0.0574 0.0354 pCi/g Cesium- 134 UI 0.00 +/-0.0199 0.0115 +/-0.0199 0.0241 pCi/g Cesium- 137 U 0.0185 +/-0.0166 0.00966 +/-0.0166 0.0202 pCi/g Cobalt-60 U 0.000568 +/-0.0102 0.00852 +/-0.0102 0.0184 pCi/g Europium- 152 U -0.00941 +/-0.0256 0.0229 +/-0.0256 0.0473 pCi/g Europium- 154 U 0.0161 +/-0.0306 0.0269 +/-0.0306 0.0574 pCi/g Europium-I155 U 0.0335 +/-0.0281 0.0269 +/-0.0281 0.055 pCi/g Lead-212 0.465 +/-0.0462 0.013 +/-0.0462 0.0267 pCi/g Lead-214 0.359 +/-0.0537 0.0158 +/-0.0537 0.0327 pCi/g Manganese-54 U 0.00492 +/-0.0118 0.00933 +/-0.0118 0.0196 pCi/g Niobium-94 U 0.000641 +/-0.0103 0.00876 +/-0.0103 0.0183 pCi/g Potassium-40 7.08 +/-0.627 0.0801 +/-0.627 0.174 pCi/g Radium-226 0.324 +/-0.0574 0.0169 +/-0.0574 0.0354 pCi/g Silver-108m U -0.00383 +/-0.00875 0.00759 +/-0.00875 0.0158 pCi/g Thallium-208 0.154 +/-0.0276 0.00844 +/-0.0276 0.0177 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 JMBI 01/11/07 1154 601634 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 78

GEL 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: January 18, 2007

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9539-0002-020-I Project: YANK01204 Sample ID: 178923021 Client ID: YANK001 Vol. Recv.:

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

• 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 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 ND Analyte concentration is not detected above the detection limit 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.

79

QUALITY CONTROL DATA 80

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Renort Date: January 18, 2007 Client : Connecticut Yankee Atomic Power Page 1 of 12 362 Injun Hollow Rd East Hampton, Connecticut

Contact:

Mr. Jack McCarthy Workorder: 178923 Parmname NOM Sample Oual QC Units RPD% REC% Range Anist Date Time NOM Rad Alpha Spec Batch 601896 QC 1201260243 178924001 DUP Americium-241 U 0.00849 U -0.0257 pCi/g 397 (0%- 100%) .4XA1 01/12/07 19:19 Uncert: +/-0.11) +/-0.102 TPU: +/-0.111 +/-0.102 Curium-242 U -0.0527 U 0.0116 pCi/g 313 (0% - 100%)

Uncert: +/-0.0421 +/-0.0877.

TPU: +/-0.0426 +/-0.0877 Curium-243/244 U 0.0126 U 0.0634 pCi/g 134 (0%- 100%)

Uncert: +/-0.131 +/-0.166 TPU: +/-0.131 +/-0.166 QC1201260245 LCS Americium-241 13.1 15.2 pCi/g 116 (75%-125%) 01/13/07 08:21 Uncen: +/-1.35 TPU: +/-2.27 Curium-242 U 0.00 pCi/g Uncert: +/-0.0615 TPU: +/-0.0615 Curium-243/244 15.8 16.3 pCi/g 103 (75%-125%)

Uncert: +/-1.40 TPU: +/-2.41 QC1201260242 MB Americium-241 U 0.140 pCi/g 01/12/07 19:19 Uncert: +/-0.171 TPU: +/-0.172 Curium-242 U 0.0477 pCi/g Uncert: +/-0.108 TPU: +/-0.108 Curium-243/244 U -0.034 pCi/g Uncert: +/-0.0876 TPU: +/-0.0877 QC1201260244 178924001 MS Americium-241 13.1 U 0.00849 14.7 pCi/g 112 (75%-125%) 01/13/07 08:21 Uncert: +/-0.111 +/- 1.29 TPU: +/-0.111 +/-2.17 Curium-242 U -0.0527 U 0.00 pCi/g Uncert: +/-0.0421 +/-0.0605 TPU: +/-0.0426 +/-0.0605 Curium-243/244 15.8 U 0.0126 16.0 pCi/g 101 (75%-125%)

Uncert: +/-0.131 +/-1.35 TPU: +/-0.131 +/-2.33 Batch 601897 QC1201260247 178924001 DUP Plutonium-238 U 0.00119 U -0.0434 pCi/g 211 (0% - 100%) AXAI 01/15/07 08:24 81

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 178923 Page 2 of 12 Parmname NOM Samnle Oual O0C Units RPD% REC% Range Anist Date Time Rad Alpha Spec Batch 601897 Uncert: +/-0.0649 +/-0.038 TPU: +/-0.0649 +/-0.0383 Plutonium-239/240 u -0.0358 U -0.139 pCi/g 118 (0% - 100%)

Uncert: +/-0.0314 +/-0.0982 TPU: +/-0.0317 +/-0.0988 QC1201260249 LCS Plutonium-238 U 0.0605 pCi/g (75%-125%) 01/12/07 16:14 Uncert: +/-0.104 TPU: +/-0.105 Plutonium-239/240 12.1 11.9 pCi/g 98 (75%-125%)

Uncert: +/-1.17 TPU: +/-1.79 QC1201260246 MB Plutonium-238 U -0.0184 pCi/g 01/12/07 16:14 Uncert: +/-0.0544 TPU: +/-0.0544 Plutonium-239/240 U 0.0584 pCi/g Uncert: +/-0.0894 TPU: +/-0.0897 QC1201260248 178924001 MS Plutonium-238 U 0.00119 U 0.0835 pCi/g (75%-125%) 01/12/07 16:14 Uncert: +/-0.0649 +/-0.102 TPU: +/-0.0649 +/-0.102 Plutonium-239/240 12.1 U -0.0358 12.1 pCi/g 100 (75%-125%)

Uncert: +/-0.0314 +/- 1.09 TPU: +/-0.0317 +/-1.73 Batch 601898 QC1201260251 178924001 DUP Plutonium-241 U -9.26 U -3.67 pCi/g 0 (0% - 100%) AIXA1 01/16/07 08:00 Uncert: +/-9.39 +/-8.83 TPU: +/-9.39 +/-8.83 QC1201260253 LCS Plutonium-241 140 128 pCi/g 92 (75%-125%) 01/16/07 00:43 Uncert: +/-12.8 TPU: +/-18.1 QC1201260250 MB Plutonium-241 U -2.67 pCi/g 01/16/07 07:44 Uncert: +/-8.64 TPU: +/-8.64 QC1201260252 178924001 MS Plutonium-241 140 U -9.26 152 pCi/g 108 (75%-125%) 01/16/07 08:16 Uncert: +/-9.39 +/-15.7 TPU: +/-/-9.39 +/-22.3 Rad Gamma Spec Batch 602159 QC1201260867 178923021 DUP Actinium-228 0.470 0.412 pCi/g 13 (0%- 100%) MJHI 01/15/07 18:31 Uncert: +/-0.112 +/-0.104

+/-0.104 82

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 178923 Page 3 of 12 Parmname NOM Sample Qual OC Units RPD% REC% Range AnIst Date Time Rad Gamma Spec Batch 602159 TPU: +/-0.112 Americium-241 U -1.790E-05 U -0.00479 pCi/g 199 (0%- 100%)

Uncert: +/-0.0485 +/-0.0184 TPU: +/-0.0485 +/-0.0184 Bismuth-212 0.270 0.392 pCi/g 37 (0%- 100%)

Unceut: +/-0.141 +/-0.254 TPU: +/-0.141 +/-0.254 Bismuth-214 0.324 0.330 pCi/g 2 (0%- 100%)

Uncert: +/-0.0574 +/-0.0623 TPU: +/-0.0574 +/-0.0623 Cesium- 134 UI 0.00 UI 0.00 pCi/g 42 (0%- 100%)

Uncert: +/-0.0199 +/-0.0157 TPU: +/-0.0199 +/-0.0157 Cesium-137 u 0.0185 U 0.00344 pCi/g 137 (0%- 100%)

Uncert: +/-0.0166 +/-0.0146 TPU: +/-0.0166 +/-0.0146 Cobalt-60 u 0.000568 U 0.00334 pCi/g 142 (0% - 100%)

Uncert: +/-0.0102 +/-0.0153 TPU: +/-0.0102 +/-0.0153 Europium- 152 U -0.00941 U -0.0217 pCi/g 79 (0%- 100%)

Uncert: +/-0.0256 +/-0.0346 TPU: +/-0.0256 +/-0.0346 Europium- 154 u 0.0161 U -0.0145 pCi/g 3690 (0%- 100%)

Uncert: +/-0.0306 +/-0.0467 TPU: +/-0.0306 +/-0.0467 Europium- 155 u 0.0335 U 0.00826 pCi/g 121 (0%- 100%)

Uncert: +/-0.0281 +/-0.0296 TPU: +/-0.0281 +/-0.0296 Lead-212 0.465 0.425 pCi/g 9 (0% - 100%)

Uncert: +/-0.0462 +/-0.0349 TPU: +/-0.0462 +/-0.0349 Lead-214 0.359 0.305 pCi/g 16 (0%- 100%)

Uncert: +/-0.0537 +/-0.0455 TPU: +/-0.0537 +/-0.0455 Manganese-54 u 0.00492 U 0.00257 pCi/g 63 (0%- 100%)

Uncert: +/-0.0118 +/-0.0148 TPU: +/-0.0118 +/-0.0148 Niobium-94 u 0.000641 U 0.00442 pCi/g 149 (0%- 100%)

Uncert: +/-0.0103 +/-0.0134 TPU: +/-0.0103 +/-0.0134 Potassium-40 7.08 7.71 pCi/g 9 (0%- 20%)

Uncert: +/-0.627 +/-0.486 TPU: +/-0.627 +/-0.486 Radium-226 0.324 0.330 pCi/g 2 (0%- 100%)

Uncert: +/-0.0574 +/-0.0623 TPU: +/-0.0574 +/-0.0623 Silver-I 08m u -0.00383 U 0.000361 pCi/g 242 (0% - 100%)

Uncert: +/-0.00875 +/-0.0115 83

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.corn QC Summary Workorder: 178923 Page 4 of 12 Parmname NOM Sample Qual QC Units RPD% REC% Range Anist Date Time I

Rad Gamma Spec Batch 602159 TPU: +/-0.00875 +/-0.0115 Thallium-208 0.154 0.144 pCi/g 7 (0%- 100%)

Uncert: +/-0.0276 +/-0.0329 TPU: +/-0.0276 +/-0.0329 QC1201260868 LCS Actinium-228 U 0.126 pCi/g 01/15/07 18:31 Uncert: +/-0.177 TPU: +/-0.177 Americium-241 23.4 24.7 pCi/g 106 (75%-125%)

Uncert: +/-0.203 TPU: +/-0.203 Bismuth-212 U -0.12 pCi/g Uncert: +/-0.296 TPU: +/-0.296 Bismuth-214 U 0.00592 pCi/g Uncert: +/-0.066 TPU: +/-0.066 Cesium- 134 U 0.0198 pCi/g Uncert: +/-0.045 TPU: +/-0.045 Cesium- 137 9.50 10.2 pCi/g 108 (75%-125%)

Uncert: +/-0.160 TPU: +/-0.160 Cobalt-60 13.8 14.6 pCi/g 106 (75%-125%)

Uncert: +/-0.218 TPU: +/-0.218 Europium- 152 U -0.0332 pCi/g Uncert: +/-0.0834 TPU: +/-0.0834 Europium- 154 U -0.00106 pCi/g Uncert: +/-0.0791 TPU: +/-0.0791 Europium- 155 U 0.00685 pCi/g Uncert: +/-0.0603 TPU: +/-0.0603 Lead-212 U 0.00459 pCi/g Uncert: +/-0.0482 TPU: +/-0.0482 Lead-214 U 0.0952 pCi/g Uncert: +/-0.0608 TPU: +/-0.0608 Manganese-54 U -0.0315 pCi/g Uncert: +/-0.0432 TPU: +/-0.0432 Niobium-94 U -0.00549 pCi/g Uncert: +/-0.0342 TPU: +/-0.0342 Potassium-40 U 0.0853 pCi/g 84

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 178923 Page 5 of 12 Parmname NOM Sample Qual OC Units RPD% REC% Range Anist Date Time Rad Gamma Spec Batch 602159 Uncert: +/-0.475 TPU: +/-0.475 Radiurn-226 U 0.00592 pCi/g (75%-125%)

Uncert: +/-0.066 TPU: +/-0.066 Silver-I108m U 0.0179 pCi/g Uncert: +/-0.0323 TPU: +/-0.0323 Thallium-208 U 0.0314 pCi/g Uncert: +/-0.0343 TPU: +/-0.0343 QC 1201260866 MB Actinium-228 U 0.025 pCi/g 01/15/07 18:30 Uncert: +/-0.0286 TPU: +/-0.0286 Americium-241 U -0.102 pCi/g Uncert: +/-0.0344 TPU: +/-0.0344 Bismuth-212 U 0.0447 pCi/g Uncert: +/-0.0589 TPU: +/-0.0589 Bismuth-214 UI 0.00 pCi/g Uncert: +/-0.0176 TPU: +/-0.0176 Cesium- 134 U 0.00274 pCi/g Uncert: +/-0.00793 TPU: +/-0.00793 Cesium- 137 U 0.00225 pCi/g Uncert: +/-0.00842 TPU: +/-0.00842 Cobalt-60 U -0.00244 pCi/g Uncert: +/-0.00918 TPU: +/-0.00918 Europium- 152 U 0.00949 pCi/g Uncert: +/-0.0225 TPU: +/-0.0225 Europium- 154 U -0.00214 pCi/g Uncert: +/-0.0215 TPU: +/-0.0215 Europium- 155 U -0.0128 pCi/g Uncert: +/-0.0199 TPU: +/-0.0199 Lead-212 UI 0.00 pCi/g Uncert: +/-0.013 TPU: +/-0.013 Lead-214 U 0.000666 pCi/g Uncert: +/-0.0262 TPU: +/-0.0262 85

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 178923 Page 6 of 12 Parmname NOM Sample Oual QC Units RPD% REC% Range Anist Date Time Rad Gamma Spec Batch 602159 Manganese-54 U 0.00102 pCi/g Uncert: +/-0.00755 TPU: +/-0.00755 Niobium-94 U 0.00487 pCi/g Uncert: +/-0.00745 TPU: +/-0.00745 Potassium-40 UI 0.00 pCi/g Uncert: +/-0.0986 TPU: +/-0.0986 Radium-226 UI 0.00 pCi/g Uncert: +/-0.0176 TPU: +/-0.0176 Silver-I 08m U -0.0072 pCi/g Uncert: +/-0.00721 TPU: +/-0.00721 Thallium-208 U 0.00917 pCi/g Uncert: +/-0.0149 TPU: +/-0.0149 Batch 602161 QC1201260870 178923001 DUP Actinium-228 0.606 0.557 pCi/g 9 (0%-100%) MJHI 01/15/07 06:53 Uncert: +/-0.150 +/-0.120 TPU: +1-0.150 +/-0.120 Americium-241 U -0.0295 U -0.0435 pCi/g 39 (0% - 100%)

Uncert: +/-0.081 +/-0.0492 TPU: +/-0.081 +/-0.0492 Bismuth-212 0.291 0.294 pCi/g (0% - 100%)

Uncert: +/-0.236 +/-0.203 TPU: +/-0.236 +/-0.203 Bismuth-214 0.549 0.393 pCi/g 33 (0%- 100%)

Uncert: +/-0.0816 +/-0.068 TPU: +/-0.0816 +/-0.068 Cesium- 134 U 0.0207 U 0.00873 pCi/g 81 (0% - 100%)

Uncert: +/-0.0394 +/-0.0253 TPU: +/-0.0394 +/-0.0253 Cesium- 137 U 0.0214 U 0.00691 pCi/g 102 (0%- 100%)

Uncert: +/-0.0186 +/-0.0162 TPU: +/-0.0186 +/-0.0162 Cobalt-60 U -0.00242 U -0.00706 pCi/g 98 (0%- 100%)

Uncert: +/-0.0195 +/-0.0155 TPU: +/,0.0195 +/-0.0155 Europium- 152 U -0.0192 U -0.00881 pCi/g 74 (0%- 100%)

Uncert: +/-0.0614 +/-0.035 TPU: +/-0.0614 +/-0.035 Europium- 154 U -0.0208 U 0.0565 pCi/g 433 (0%- 100%)

Uticert: +/-0.0611 +/-0.0631 TPU: +/-0.0611 +/-0.0631 Europium- 155 U 0.0271 U 0.0209 pCi/g 26 (0%- 100%)

86

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 178923 Page 7 of 12 Parmname NOM Sample Qual QC Units RPD% REC% Range Anist Date Time Rad Gamma Spec Batch 602161 Uncert: +/-0.0583 +/-0.0403 TPU: +/-0.0583 +/-0.0403 Lead-212 0.466 0.525 pCi/g 12 (0%-20%)

Uncert: +/-0.063 +/-0.0596 TPU: +/-0.063 +/-0.0596 Lead-214 0.541 0.440 pCi/g 21* (0%-20%)

Uncert: +/-0.0832 +/-0.0752 TPU: +/-0.0832 +/-0.0752 Manganese-54 u -0.00575 U -0.00231 pCi/g 86 (0%- 100%)

Uncert: +/-0.0193 +/-0.0134 TPU: +/-0.0193 +/-0.0134 Niobiurn-94 U 0.00695 U -0.00318 pCi/g 537 (0%- 100%)

Uncert: +/-0.0182 +/-0.0133 TPU: +/-0.0182 +/-0.0133 Potassium-40 UI 0.00 9.94 pCi/g" 3* (0%-20%)

Uncert: +/-0.914 +/-0.946 TPU: +/-0.914 +/-0.946 Radium-226 0.549 0.393 pCi/g 33 (0% - 100%)

Uncert: +/-0.0816 +/-0.068 TPU: +/-0.0816 +/-0.068 Silver- 108m U -0.00886 U -0.00354 pCi/g 86 (0%- 100%)

Uncern: +/-0.0158 +/-0.0121 TPU: +/-0.0158 +/-0.0121 Thallium-208 U1 0.00 0.144 pCi/g 16* (0%- 100%)

Uncert: +/-0.0353 +/-0.0381 TPU: -+/-0.0353 +/-0.0381 QC1201260871 LCS Actinium-228 U 0.191 pCi/g 01/15/07 06:54 Uncert: +/-0.444 TPU: +/-0.444 Americium-241 23.4 23.8 pCi/g 102 (75%-125%)

Uncert: +/-1.98 TPU: +/-1.98 Bismuth-212 U -0.0176 pCi/g Uncert: +/-0.736 TPU: +/-0.736 Bismuth-214 U 0.0982 pCi/g Uncert: +/-0.171 TPU: +/-0.171 Cesium- 134 U 0.163 pCi/g Uncert: +/-0.170 TPU: +/-0.170 Cesium-137 9.50 9.86 pCi/g 104 (75%-125%)

Uncert: +/-0.875 TPU: +/-0.875 Cobalt-60 13.8 14.8 pCi/g 107 (75%-125%)

Uncert: +/-1.03 TPU: +/-1.03 87

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 178923 Page 8 of 12 Parmname NOM Sample Qual QC Units RPD% REC% Range Anist Date Time Rad Gamma Spec Batch 602161 Europium- 152 U -0.174 pCi/g Uncert: +/-0.233 TPU: +/-0.233 Europium- 154 U 0.126 pCi/g Uncert: +/-0.233 TPU: +/-0.233 Europium- 155 U -0.128 pCi/g Uncert: +/-0.210 TPU: +/-0.210 Lead-212 U 0.119 pCi/g Uncert: +/-0.129 TPU: +/-0.129 Lead-214 U 0.119 pCi/g Uncert: +/-0.176 TPU: +/-0.176 Manganese-54 U 0.0245 pCi/g Uncert: +1-0.105 TPU: +1-0.105 Niobium-94 U 0.036 pCi/g Uncert: +/-0.0819 TPU: +/-0.0819 Potassium-40 U 0.541 pCi/g Uncert: +/-0.781 TPU: +/-0.781 Radium-226 U 0.0982 pCi/g (75%-125%)

Uncert: +/-0.171 TPU: +/-0.171 Silver- 108m U 0.0491 pCi/g Uncert: +/-0.101 TPU: +/-0.101 Thallium-208 U 0.0964 pCi/g Uncert: +/-0.148 TPU: +/-0.148 QC1201260869 MB Actinium-228 U 0.132 pCi/g 01/15/07 06:51 Uncert: +/-0.0638 TPU: +/-0.0638 Americium-241 U 0.0114 pCi/g Uncert: +/-0.019 TPU: +/-0.019 Bismuth-212 U 0.0113 pCi/g Uncert: +/-0.125 TPU: +/-0.125 Bismuth-214 U 0.0447 pCi/g Uncert: +/-0.0353 TPU: +/-0.0353 Cesium- 134 U 0.0109 pCi/g Uncert: +/-0.0214 88

,2

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.corn QC Summary Workorder: 178923 Page 9 of 12 Parmname NOM Samole Oual QC Units RPD% REC% Range AnIst Date Time Rad Gamma Spec Batch 602161 TPU: +/-0.0214 Cesium- 137 U 0.00587 pCi/g Uncert: +/-0.021 TPU: +/-0.021 Cobalt-60 U -0.0146 pCi/g Uncert: +/-0.016 TPU: +/-0.016 Europium- 152 U -0.0136 pCi/g Uncert: +/-0.0398 TPU: +/-0.0398 Europium- 154 UI 0.00 pCi/g Uncert: +/-0.0861 TPU: +/-0.0861 Europium- 155 U 0.0114 pCi/g Uncert: +/-0.0335 TPU: +/-0.0335 Lead-212 U 0.0264 pCi/g Uncert: +/-0.0486 TPU: +/-0.0486 Lead-214 U 0.019 pCi/g Uncert: +/-0.0459 TPU: +/-0.0459 Manganese-54 U -0.00254 pCi/g Uncert: +/-0.0179 TPU: +/-0.0179 Niobium-94 U 0.00615 pCi/g Uncert: +/-0.0157 TPU: +/-0.0157 Potassium-40 U 0.225 pCi/g Uncert: +/-0.183 TPU: +/-0.183 Radium-226 U 0.0447 pCi/g Uncert: +/-0.0353 TPU: +/-0.0353 Silver-I 08m U -0.0149 pCi/g Uncert: +/-0.0153 TPU: +/-0.0153 Thallium-208 U 0.00252 pCi/g Uncert: +/-0.0398 TPU: +/-0.0398 Rad Gas Flow Batch 601901 QC1201260262 178924001 DUP Strontium-90 U 0.00386 U 0.0113 pCi/g 0 (0%- 100%) KSDI 01/15/07 22:58 Uncert: +/-0.0267 +/-0.0197 TPU: +/-0.0267 +/-0.0197 QC1201260264 LCS Strontium-90 1.85 2.01 pCi/g 109 (75%-125%) 01/15/07 18:32 89

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 178923 Page 10of 12 Parmname NOM Samnle Oual OC Units RPD% REC% Range Anist Date Time Rad Gas Flow Batch 601901 Uncert: +/-0.194 TPU: +/-0.232 QC1201260261 MB Strontium-90 U -0.00867 pCi/g 01/15/07 22:58 Uncert: +/-0.0196 TPU: +/-0.0196 QC1201260263 178924001 MS Strontium-90 1.86 U 0.00386 1.80 pCi/g 97 (75%-125%) 01/15/07 18:32 Uncert: +/-0.0267 +/-0.190 TPU: +/-0.0267 +/-0.208 Rad Liquid Scintillation Batch 601907 QC1201260280 178924001 DUP Nickel-63 U 0.00 U -4.81 pCi/g 0 (0% - 100%) KiXR I 01/15/07 11:24 Uncert: +/-9.32 +/-8.79 TPU: +/-9.32 +/-8.79 QC1201260282 LCS Nickel-63 572 483 pCi/g 85 (75%-125%) 01/15/07 11:57 Uncert: +/-24.0 TPU: +/-29.7 QC1201260279 MB Nickel-63 U -1.12 pCi/g 01/15/07 11:08 Uncert: +/-9.33 TPU: +/-9.33 QC1201260281 178924001 MS Nickel-63 572 U 0.00 530 pCi/g 93 (75%-125%) 01/15/07 11:41 Uncert: +/-9.32 +/-26.8 TPU: +/-9.32 +/-33.0 Batch 601908 QC1201260284 178924001 DUP Technetium-99 0.387 U 0.311 pCi/g 22 (0% - 100%) MXP I 01/17/07 15:18 Uncert: +/-0.187 +/-0.193 TPU: +/-0.188 +/-0.193 QC1201260286 LCS Technetium-99 14.3 14.0 pCi/g 98 (75%-125%) 01/17/07 16:52 Uncert: +/-0.331 TPU: +/-0.470 QC1201260283 MB Technetium-99 U -0.00407 pCi/g 01/17/07 14:31 Uncert: +/-0.154 TPU: +/-0.154 QC1201260285 178924001 MS Technetium-99 14.8 0.387 14.8 pCi/g 97 (75%-125%) 01/17/07 16:05 Uncert: +/-0.187 +/-0.370 TPU: +/-0.188 +/-0.512 Batch 601909 QC1201260288 178923010 DUP Tritium U 0.425 U 1.18 pCi/g 0 (0% - 100%) \4XPI 01/15/07 17:06 90

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 178923 Page I Iof 12 Parmname NOM Sample Qual OC Units RPD% REC% Ranoe Anist Date Time Rad Liquid Scintillation Batch 601909 Uncert: +/-1.30 +/-1.38 TPU: +/-1.30 +/-1.38 QC1201260290 LCS Tritium 8.17 6.75 pCi/g 83 (75%-125%) 01/15/07 18:10 Uncert: +/-1.04 TPU: +1-1.05 QC1201260287 MB Tritium U 0.265 pCi/g 01/15/07 16:35 Uncert: +/-0.647 TPU: +/-0.647 QC1201260289 178923010 MS Tritium 8.31 U 0.425 7.56 pCi/g 91 (75%-125%) 01/15/07 17:38

+/-1.30 +/-1.81 Uncert:

+/-1.30 +/-1.81 TPU:

Batch 601910 QC1201260292 178924001 DUP Carbon- 14 U -0.00673 U -0.0176 pCi/g 0 (0% - 100%) IXPI 01/15/07 20:52 Uncert: +/-0.119 +/-0.116 TPU: +/-0.119 +/-0.116 QC1201260294 LCS Carbon- 14 7.16 7.18 pCi/g 100 (75%-125%) 01/15/07 23:00 Uncert: +/-0.216 TPU: +/-0.243 QC1201260291 MB Carbon- 14 U -0.0566 pCi/g 01/15/07 19:48 Uncert: +/-0.115 TPU: +/-0.115 QC1201260293 178924001 MS Carbon- 14 15.8 U -0.00673 14.9 pCi/g 94 (75%-125%) 01/16/07 08:43 Uncert: +/-0.119 +/-0.928 TPU: +/-0.119 +/-0.957 Batch 602972 QC1201262580 178924001 DUP Iron-55 U -17.2 U -26.7 pCi/g 0 (0% - 100%) -VXPI 01/18/07 09:26 Uncert: +/-28.4 +/-23.0 TPU: +/-28.4 +/-23.0 QC1201262582 LCS Iron-55 799 795 pCi/g 100 (75%-125%) 01/18/07 09:59 Uncert: +/-66.3 TPU: +/-87.8 QC1201262579 MB Iron-55 U 31.7 pCi/g 01/18/07 09:09 Uncert: +/-37.6 TPU: +/-37.7 QC1201262581 178924001 MS Iron-55 624 U -17.2 546 pCi/g 87 (75%-125%) 01/18/07 09:42 Uncert: +/-28.4 +/-48.4 TPU: +/-28.4 +/-63.7 91

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 178923 Page 12 of 12 Parmname NOM Sample Qual QC Units RPD% REC% Range AnIst Date Time Notes:

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

< 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 ND Analyte concentration is not detected above the detection limit 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 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.

92

ISFSI HAUL ROAD (SOUTHERN SECTION)

SURVEY UNIT 9539-0002 RELEASE RECORD ATTACHMENT 4 (DQA RESULTS)

Revision 0

ISFSI HAUL ROAD (SOUTHERN SECTION)

SURVEY UNIT 9539-0002 RELEASE RECORD ATTACHMENT 4A (PRELIMINARY DATA REVIEW)

Revision 0

ISFSI HAUL ROAD (SOUTH SECTION) PRELIMINARY DATA ASSESSMENT SURVEY UNIT 9539-0002 RELEASE RECORD Attachment 4 Survey Unit: 9539-0002 Area Description ISFSI Haul Road (south section)

Classification 2 Survey Media Surface Soils Type of Survey Final Status Survey Number of Measurements 15 Static, 5 Investigative STATISTICS on TOTAL STATISTICS on NON-POPULATION PARAMETRIC POPULATION Cs-1 37 Co-60 Cs-1 37 Co-60 DCGLop (pCi/g): 5.38E+00 2.59E+00 DCGLop (pCi/g): 5.38E+00 2.59E+00 Minimum Value: -1.79E-02 -1.60E-02 Minimum Value: -1.79E-02 -1.30E-02 Maximum Value: 2.37E-01 1.49E-02 Maximum Value: 2.37E-01 1.49E-02 Mean: 3.67E-02 9.12E-05 Mean: 4.60E-02 1.93E-03 Median: 1.85E-02 -2.42E-03 Median: 1.75E-02 -8.10E-04 Standard Deviation: 6.96E-02 8.31 E-03 Standard Deviation: 8.05E-02 8.52E-03 Cs-1 37 Co-60 GPS Coordinates Fraction Sample ID Result MDA Result MDA 2I Identified 2at Identified of DCGL North East (pCi/g) (pCi/g) (pCi/g) (pCi/g) 9539-0002-001F 235619.30 671337.09 2.14E-02 0.019 3.48E-02 + -2.42E-03i 0.020 3.24E-02 0.003 9539-0002-002F 235619.30 671414.83 3.15E-02 0.031 3.37E-02 + -7.03E-03 0.018 3.19E-02 0.003

....................................................... :v................................ i................................ r.............. - .............. . .. .......................

9539-0002-003F 235619.30 671492.57 3.16E-03 0.025 4.66E-02 -1.30E-02 0.030 4.44E-02 -0.004 9539-0002-004F 235619.30 671570.30 5.38E-03 0.017 2.93E-02 -4. 1OE-03 0.017 3.20E-02 -0.001 9539-0002-005F 235619.30 671648.04 1.90E-03 0.036 6.28E-02 -4.58E-03 0.042 6.90E-02 -0.001 REVISION 0 Page I of 2

ISFSI HAUL ROAD (SOUTH SECTION) PRELIMINARY DATA ASSESSMENT SURVEY UNIT 9539-0002 RELEASE RECORD Attachment 4 Cs-1 37 Co-60 GPS Coordinates Fraction Sample ID Result 2o MDA IIdentified Result 2a MDA Identified of DCGL North East (pCi/g) (pCi/g) (pCi/g) (pCi/g)

.. 7...........................................................................

9539-0002-006F 235619.30 671725.78 1.35E-01 0.033 2.73E-02 + 1.10E-02 0.017 3.05E-02 0.029 9539-0002-007F 235619.30 671803.52 1.86E-02 0.012 1.37E-02 + -3.48E-03 0.007 1.26E-02 0.002 9539-0002-008F 235619.30 671881.26 -8.30E-03 0.015 2.76E-02 8.74E-03 0.016 3.03E-02 0.002

,.......................................................  ;.*................................ * . . . . . . . . .. . . . . . . .. .. . .. . ............. i-................................ ................................ ................................ ................................. ................................ ................................ ................................

9539-0002-009F 235619.30 671959.00 1.75E-02 0.017 3.53E-02 + 9.91E-03 0.018 334E-02 0.007 9539-0002-01OF 235619.30 672036.73 2.37E-01 0.033 2.82E-02 + 1.27E-02 0.018 3.26E-02 0.049 9539-0002-011 F 235619.30 672114.47 2.11E-01 0.053 4.54E-02 + -8.1OE-04 0.025 4.68E-02 0.039 9539-0002-012F 235551.97 672308.82 2.89E-02 0.038 3.58E-02 1.58E-03 0.019 3.62E-02 0.006 9539-0002-013F 235551.97 672386.56 -1.79E-02 0.016 2.59E-02 1.49E-02 0.014 3.08E-02 + 0.002

.. ................................................ ................................ ................................ .............................. * .............................. ...* ............................. ...= ............................. ................................. . ................................ i................................ ................................

9539-0002-014F 235551.97 672464.30 1.06E-02 0.013 2 43E-02 9.88E-03 0.032 2.61E-02 0.006 9539-0002-015F 235551.97 672542.037 -6.27E-03 0.016 2.62E-02 -4.35E-03 0.021 3.38E-02 -0.003 9539-0002-001 FS 235619.30 671337.09 2.16E-02 0.023 i 3.90E-02 -1.60E-02 0.028 4.05E-02 -0.002 9539-0002-0161 235636.80 671252.94 -7.76E-03 0.036 6.12E-02 -- 1.62E-04 0.039 6.44E-02 -0.002 9539-0002-0171 235641.32 671268.63 -7.02E-03 0.013 2.32E-02 -2.48E-03 0.013 2.34E-02 -0.002 9539-0002-0181 235646.11 671332.38 3.68E-02 1 0.030 4.23E-02 + -6.32E-031 0.026 3.95E-02 0.004 9539-0002-0191 235627.59 671340.12 1.87E-02 0.024 3.22E-02 -2.63E-03 0.019 3.40E-02 0.002 9539-0002-0201 235570.76 672188.84 1.85E-02 0.017 2.02E-02 + 5.68E-04 0.010 1.84E-02 0.004 REVISION 0 Page 2 of 2

ISFSI HAUL ROAD (SOUTHERN SECTION)

SURVEY UNIT 9539-0002 RELEASE RECORD ATTACHMENT 4B (GRAPHICAL REPRESENTATION OF DATA)

Revision 0

QUANTILE PLOT FOR CESIUM-137 Survey Unit: 9539-0002 Survey Unit Name: ISFSI laul Road (south section)

Mean: 4.60E-02 pCi/l Quantile Plot For Cs-t37 2,50E-01 2,OOE-01

. I,.....

1ý50E-01 0

0.

1,00E-01 ...

5.00E-02

.* /* * .

000E+ý00 ma .............................

0 20 40 60 80 100 Percentage Cs- 137 Rank Perccnrtage

-1.79f-02 1 3).3%

-8.30F-03 10.0%

-6.277E-03 3 16.7%

1.90E-03 4 23.3%

3.16E-03 5 30,0%

.318E-03 6 36.7%

1.06E-02 7 43.3%

1.75E-02 8 50.0%

1.861-.02 9 56.7%

2.14111.`1-02 10 63.3%

2.89F-02 11 70.0%

3.15E-02 12 76.7%

1.351:-01 13 2.1 iE-01 14 90.0%

2.37E-0I 15 96.7%

o~o~2~k1Z. 4j-1_

S bmitted by/ ate Izy ff7-Reýýeý by/Date 1, ,

FRE-QUENCY PLOI FOR CESIUN&,M1 37 Survey Unit: 9539-0002 Survey Unit Name: ISFSI Ilaul Road (south section)

Mean: 4.601-02 pCi/g Frequency Plot For Cs-137 10 -

8 +

C 6 4

UL 2

0 2,46E-02 6.71E-02 1,10E-01 1.52E-01 1.95E-01 2.37E-01 Upper End Value (pCi/g) lipper*End Observation Observation Val tie Frequency Frequency 2.46f,"-02 10 67%

6.7 1 E-02 2 13%

1.lOE-01 0 0%

1.52E-01 1 7%

1.95E-01 0 0%

2.37 E-01,I 2 13%

Tlotal: 15 1.00%

Sub itted IMat~e Revi ved by/Date/ ' 1 of 1 "

ISFSI HAUL ROAD (SOUTHERN SECTION)

SURVEY UNIT 9539-0002 RELEASE RECORD ATTACHMENT 4C (SIGN TEST)

Revision 0

Connecticut Yankee Decommissioning Project GPP-GGGR-R5121-001 Attachment B, Health Physics Procedure RevCY-001 MAJOR Sign Test Calculation Sheet for Multiple Radionuclides Survey Area Number: 9539 Survey Unit Number: 0002 WPIR 2006-0048 Survey Area Name: ISFSI Haul Road Classification: 2 TYPE I (aerro'r): 005 N: 15 (south section) I ...

Radionuclides: 1st Radionuclide 2r" Radionuclide 3rd Radionuclide 4 "hRadionuclide Cs-1i 37 Co-60 DCGL: 5.38E+00 2.59E+00 Results 1st Results 2 d Results 3 .. Results 4th Weighted Sum 1-WS Sign Radionuclide Radionuclide: Radionuclide Radionuclide (WN)

(pCiig) (pCi/g) (pCi/g) (pCi/g) 2.14E-02 -2,42E-03 0.00 1.00 +1 3-15E-02 -7.03E-03 0.00 1.00 +1

3. 16E-03 -1.30E-02. 0.00 1.00 +1 5.38E-03 -4. 1OE-03 0.00 1.00 +1 1,90E-03 -4;58E-03 0.00 1.00 +1 1.35E-01 1.1QE-02 '._."._...._0.03 0.97 +1 1 86E-02 -3.48E-03 0.00 1.00 +1

-8.30E-03 8.74E-03 0.00 1.00 +1 1.75E-02 9.91E-03 &001 099 +1 2.37E-01 1.27E-02 005 0,95 +1 2.11 E-01 -8, 10E-04 0,04 0,96 +1 2.89E-02 1.58E-03 _0.01 ...... 0.99 +1

-1.79E-02 1,49E-02 0.00 1 .00 +11 1,06E-02 9.88E-03 0.01 "099 +1

-&627E-03 -4,35E-03 0.00 1.00. +1 Number of positive differences (S+) .15 Critical. Value 11 Survey Unit Meets the Acceptance Criteria Performed by: l'avid Woitkowiaký Q t 6: 1/23/2007 Independent Revie w by: ~2,tI/,fer\/ JK)11 'h 'o a'

Page 1 of 1

ISFSI HAUL ROAD (SOUTHERN SECTION)

SURVEY UNIT 9539-0002 RELEASE RECORD ATTACHMENT 4D (QC SPLIT RESULTS)

Revision 0

I lealth Physics Procedure roedre 24265,-(000-(

IP:--G(R,-R5124-00-R-,evJ, -O Attachment A Split Sample Assessment Form

,93 re tnit q 0002 Survey Unit Name: IS Hall WNad

9S9 (South seetion)

ISample Plan or WPIR#: *2006:004 8 SNI 1.0: 95 39-0002-00~ 1 Sample

Description:

Comparison ol'split samples collected from sample nicasurement location tHIand analyzed using gamma spectroscopy by off-site Vendor Laborator,'. The standard sample was 9539-0002-00/1 the comparison sample w,as 9539-0002-001 FS.

STANDARD

.okmtunts/nCorrective Actions: None Lassess split samples.

4-7 0.5 20 8 - 15 0.6 - 1I6C 16

• 50 0.75 - 1,33 51 -200 0,80 - 1.25

,200 0.5 .. 1a1 II Z3 1 07

'Page I of I

ISFSI HAUL ROAD (SOUTHERN SECTION)

SURVEY UNIT 9539-0002 RELEASE RECORD ATTACHMENT 4E (COMPASS DQA WITH POWER CURVE)

Revision 0

L-QA Surface Soil Report Assessment Summary Site: 9539 Planner(s): Wojo Survey Unit Name: 9539-0002 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 0.9 0.8

=

__ ~1 0.7 0.6 i-I 0.5 0.4 0,3 ~11 0.2 1 ______

L.

0.1 AL ___ _____ ____ ____

i2~ 0 0,0 02 0.4 0.6 0.8 1.0 1.2 Unity Rule Sum-of Ratios., inluding ba]kgrzound Prospective Power 0 1-beta Actual Power LBGR - - Estimated Power DCGL -- Retrospective Power COMPASS vl.0.0 1/25/2007 Page1I