ML070740682

Final Status Survey Final Report Phase VI - Appendix A17, Survey Unit Release Record 9804-0000, Subsurface Soils Associated with South East Site Grounds - (Non-Protected Area), Book 18 of 18

ML070740682
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Site:	Haddam Neck File:Connecticut Yankee Atomic Power Co icon.png
Issue date:	01/11/2007
From:	Wojtkowiak D Connecticut Yankee Atomic Power Co
To:	Office of Nuclear Material Safety and Safeguards
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Download: ML070740682 (172)

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Ii F I Em-ok 18 of: 8 1 Final Status Survey Final Report Phase VI Appendix A17 Survey Unit Release Record 9804-0000, Subsurface Soils Associated with South -East Site Grounds February 2007

CYAPCO FINAL STATUS SURVEY RELEASE RECORD SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS - (NON-PROTECTED AREA)

SURVEY UNIT 9804-0000 Prepared By: Date: __I__ _ I o_

Reviewed By: 76f,4 4-, Date: 4x/&7 FSS Ei1gineer Approved By: ___ iT,__._. _- Date: i/I//07 Technical Support Manager Revision 0

SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD TABLE OF CONTENTS

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

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

3. DATA QUALITY OBJECTIVES (DQO) ................................. 7

4. SURVEY DESIGN.......................................................... 11

5. SURVEY IMPLEMENTATION .......................................... 16

6. SURVEY RESULTS........................................................ 17

7. QUALITY CONTROL ..................................................... 22

8. INVESTIGATIONS AND RESULTS .................................... 22

9. REMEDIATION AND RESULTS........................................ 22

10. CHANGES FROM THE FINAL STATUS SURVEY PLAN .......... 22

11. DATA QUALITY ASSESSMENT (DQA)............................... 23

12. ANOMALIES ............................................................... 24

13. CONCLUSION.............................................................. 24

14. ATTACHMENTS ........................................................... 25 14.1 Attachment 1 - Figures (5 pages including cover) 14.2 Attachment 2 - Laboratory Data (124 pages including cover) 14.3 Attachment 3 - DQA Results (16 pages including covers)

TOTAL 170 Revision 0

SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD

1. SURVEY UNIT DESCRIPTION Survey Unit 9804-0000 (Subsurface Area Associated with the Southeast Site Grounds (non-protected area) is designated as Final Status Survey (FSS) Class "A" subsurface soils area and consists of approximately eleven thousand five hundred and sixty eight (11,568 in 2) square meters of area under uninhabited land and is located approximately eight hundred and sixty four feet (864 ft) from the reference coordinate system benchmark used at Haddam Neck Plant (HNP) (see Attachment 1). Survey Unit 9804-0000 includes the subsurface soils located under open land area Survey Units 9522-0001, 9522-0002, 9522-0003 and 9522-0004. The subsurface soils under open land area Survey Units 9522-0005, 9522-0006 and 9522-0007 were formally part of subsurface soil Survey Area 9802.

However during decommissioning, large excavations were necessary to facilitate the removal of commodities and contaminated soils. These excavations crossed over into the subsurface soil under open land Survey Units 9522-0003 and 9522-0004. Subsequently, the portion of Survey Area 9802 residing under open land area Survey Units 9522-0005, 9522-0006 and 9522-0007 were absorbed into subsurface Survey Area 9804. The southeast quadrant of the survey unit is comprised mostly of rock outcroppings, rock ledge, underbrush and trees. The survey unit has a moderate slope running from southeast to northwest.

The reference coordinates associated with this survey unit are E008 through E016 by S073 through S081 (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 9804-0000 consisted of:

a) A review of the 10CFR50.75 (g) (1) database, b) A review of the "Initial CharacterizationReport" and the "Historic Site Assessment Supplement, "

c) Historic and current survey records review, A subsurface characterization study of the site was begun in 2005 to identify areas for radiological remediation based on the existing radiological conditions. Areas of interest were physically defined according to an event or physical boundary and were identified as zones. Zone 12 was associated with Survey Area 9522 (which now includes a former survey area, 9308, that was consolidated into Survey Area 9522 in 2006), Subsurface Area 9802 and Subsurface Survey Area Revision 0 3

SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD 9804. Subsurface surveys for characterization were conducted in 2005 and 2006 under several survey and sampling plans (SSWP 05-09-001, SSWP 05-10-008, SSWP 05-11-002, SSWP 05-12-004 and SSWP 06-05-03).

Open land Survey Area 9522 was at one time an open land immediately adjacent to the southern boundary of the Radiologically Controlled Area (RCA) and security fences. Initially, only a small section of the north side of the unit was paved, with the remainder of the unit gradually sloping down to the original site elevation. As the result of plant operations, there was a need to expand the industrial area to support plant operations and to control exposure to radiation.

According to the "Haddam Neck Plant Historic Site Assessment Supplement",

plant photos reveals that the area was gradually filled in from approximately 1972 to between 1974 and 1976, with soil that may have originated from on-site. This action raised the elevation up to site grade, thereby facilitating a reconfiguration and expansion of the RCA and security protected area. Photos taken in 1976 show that the area was landscaped with grass and small trees and was probably given the name "ball field" at that time. Over the next several years, additional fill was brought in. By 1987, photos show that half of the survey area was paved and occupied with buildings. It is estimated that the elevation in the survey area may have increased by up to five (5) feet from the original site grade.

Plant Incident Report (PIR) 80-37 reported the discovery of several discrete sources of elevated activity on the ball field in March 1980, along with other areas of the site. The investigation into the incident concluded that the elevated activity was most likely ejected from the Primary Vent Stack as a result of operational events in 1979. All elevated areas were removed upon detection according to supplemental reports.

According to PIR 89-35, a section of Survey Area 9522 was contaminated in February 1989 following the release of radioactive material into an uncontrolled drain in the Spent Fuel Building. The drain discharged directly to an open trench that drained into a marshy area of the site. Freezing conditions limited the amount of radioactive material that left the protected area. The unanticipated release of radioactive material was identified during a routine radiological surveillance of the site. The area was remediated in 1989 to the established release criteria at the time (lE-5 ýtCi/g) and, according to memo CH 89-854, the Chemistry Group initiated a sampling program at the drainage site to monitor activity.

In 1995, several discrete particles were found outside of the RCA, but within the Industrial Area in Survey Area 9522. These elevated areas were removed upon discovery.

The portion of Survey Area 9522 that was located inside of the Industrial Area fence, and was originally designated as Survey Area 9308, was used during decommissioning as a temporary laydown area for the Steam Generator Lower Assemblies (SGLAs) and the Pressurizer until these components where shipped off-site for disposal in 2001.

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SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD The radiological characterization of subsurface soil in this area to support decommissioning activities commenced in 2005. Sampling activities were primarily concentrated on the area designated as "Zone 12", which was an area that encompassed a majority of open land Survey Unit 9522-0006, a large portion of open land Survey Unit 9522-0007 and portions of open land Survey Units 9522-0005 and 9522-0003. Subsurface soil samples were acquired using both bore hole and test pit approaches. All soil samples were analyzed by an approved off-site laboratory for all radionuclides of concern, including "Hard-to-Detect" (HTD) radionuclides. Cs-137 was the predominant radionuclide detected in the sample population. Co-60 was detected in two samples at very low concentrations. Sr-90 and H-3 were positively identified (i.e. a result greater than two (2) standard deviations uncertainty) in six (6) different samples.

In 2006, demolition activities commenced in this area. Demolition activities consisted of building and building pad demolition in open land Survey Units 9522-0006 and 9522-0007, subsurface system removal in open land Survey Units 9522-0007, 9522-0006, 9522-0005 and 9522-0003 and above grade commodity removal in all areas with the exception of open land Survey Unit 9522-0001. The subsurface systems removed included the sewer/shower drain tank system, the Ground Water Treatment (GWT) discharge pipe, the underground utilities duct and various culverts and drains servicing various areas, including locations from within the former RCA. Thirty seven (37) soil samples were taken to support commodity removal and remediation activities, primarily in open land area Survey Unit 9522-0007 and in Excavation #7, which was a large excavation that was located in open land area Survey Units 9522-0006 and 9522-0003. Two (2) soil samples taken in support of commodity removal had results that exceeded the Operational DCGLs. Cs-137 and Co-60 were positively detected in twenty-six (26) of the thirty-seven (37) soil samples. Eu-155 was positively identified in one (1) sample but was present at a concentration less than 1% of the Operational DCGL. Two (2) samples in this group were also sent to an approved off-site laboratory for HTD analysis. No additional HTD radionuclides were identified.

Following the removal of all above grade commodities, below grade systems and soils identified by previous surveys as exceeding the screening criteria in effect for groundwater dose compliance, fifty four (54) post-remediation soil samples were taken. This sampling effort was supplemented by scanning of excavation sidewalls using an Eberline E-600 using a SPA-3 sodium iodide detector prior to backfill and grading. A summary of the sample results are provided in Table 1.

Cs-137 and Co-60 were the primary radionuclides detected in the sample population and were detected in concentrations up to 44% of the Operational DCGL incorporating the "sum of fractions". Cs-137 was the predominant radionuclide over Co-60 by a factor of 10 to 1. Two (2) samples in this group were also sent to an approved off-site laboratory for HTD analysis. No additional HTD radionuclides were positively identified.

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SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD Table 1 - Sample Analysis Results from Characterization Soil Samples Taken Post-Remediation & Prior to Backfill Cs-137 Co-60 (pCi/g) (pCi/g)

Minimum Value: -1.05E-02 -3.25E-02 Maximum Value: 1.40E+00 7.35E-01 Mean: 1.90E-01 2.83E-02 Median: 8.58E-02 4.13E-04 Standard Deviation: 2.63E-0 1 1.08E-01 A review of the "Initialand Supplemental CharacterizationReports" as well as the previous "Classification Basis Summaries" was performed. Survey Unit 9804-0000 was initially designated as Class C during the development of the LTP. The source documents, the "Connecticut Yankee Haddam Neck Characterization Report" and "Initial Classification for Survey Areas at Connecticut Yankee", were incorporated by reference in LTP revision 0. Survey Unit 9804-0000 included the subsurface soils located under open land area Survey Units 9522-0001, 9522-0002, 9522-0003 and 9522-0004. As previously explained, the subsurface soils under open land area Survey Units 9522-0005, 9522-0006 and 9522-0007 were formally part of subsurface soil Survey Area 9802. However, the physical dimensions of the excavations created during remediation crossed over into the subsurface soil under open land Survey Units 9522-0003 and 9522-0004. As a logical result, the portion of Survey Area 9802 residing under open land area Survey Units 9522-0005, 9522-0006 and 9522-0007 were absorbed into subsurface Survey Area 9804. Subsequently, as the soils incorporated from Survey Area 9802 were initially classified as subsurface Class B in accordance with LTP revision 0, subsurface Survey Area 9804 was conservatively reclassified as subsurface Class B as well. Additionally, during commodity removal, contaminated soil was identified in subsurface Survey Area 9804 that exceeded the Operational DCGL. Subsurface Class A soils are defined by LTP Section 2.3.3.1.5 as a subsurface soil area that has had known contaminating events and have a high potential to be at or exceed the DCGL.

Consequently, subsurface Survey Area 9804, which contains subsurface Survey Unit 9804-0000, was again reclassified to a final classification as subsurface Class A. As discussed in LTP Section 5.7.3.2.2, the Class A classification defines the measurement or sample density. Subsequently, 31 subsurface soil sample measurement locations (approximately one per 500 m2) were established in subsurface soils Survey Unit 9804-0000. In addition, biased measurements or samples will be obtained at the locations of localized remediation efforts where operational events are suspected to may have created potential soil contamination.

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SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD

3. DATA QUALITY OBJECTIVES (DQO)

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

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

The primary objective of the FSS plan was to demonstrate that the level of residual radioactivity in Survey Unit 9804-0000 did not exceed the release criteria specified in the LTP and that the potential dose from residual radioactivity is As Low As Reasonably Achievable (ALARA).

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

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

Equation 1 HTotal--Hsoil+HExistingGW+HFutureGW Revision 0 7

SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD The total dose under the LTP criteria is twenty-five (25) mrem/yr Total Effective Dose Equivalent (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.

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

This survey unit is considered impacted by future groundwater radioactive contamination, as there are underground foundations containing residual radioactive material within the groundwater saturated zone in the area (reference CY memo ISC 06-024). The dose contribution from future groundwater, the third dose component, is bounded by two (2) mremlyr TEDE.

Equation2 19 mrem/yrT,,al = 15 mrem/yrsoil + 2 mrem/yrExisting Gw+ 2 mrem/yrFutureGW The allowable dose for soil in this survey unit is fifteen (15) mrem/yr TEDE as shown by Equation 2 above. The concentration of residual radioactivity resulting in fifteen (15) mrem/yr TEDE is designated as the Operational DCGL, and has been established for the radionuclides of concern as provided in Table 2.

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SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD Table 2 - Radionuclide Specific Base Case Soil DCGLs, Operational DCGLs and Required Minimum Detectable Concentrations (MDCs)

Radionuclide () Base Case Soil Operational DCGL Required MDC DCGL (pC/g) (2) (pC/g) (3) (pC/g) (4)

H-3 4.12E+02 2.47E+02 1.65E+01 C-14 5.66E+00 3.40E+00 2.26E-01 Mn-54 1.74E+01 1.04E+01 6.96E-01 Fe-55 2.74E+04 1.64E+04 1.10E+03 Co-60 3.81E+00 2.29E+00 1.52E-01 Ni-63 7.23E+02 4.34E+02 2.89E+01 Sr-90 1.55E+00 9.30E-01 6.20E-02 Nb-94 7.12E+00 4.27E+00 2.85E-01 Tc-99 1.26E+01 7.56E+00 5.04E-01 Ag-108m 7.14E+00 4.28E+00 2.86E-01 Cs- 134 4.67E+00 2.80E+00 1.87E-01 Cs-137 7.91E+00 4.75E+00 3.16E-01 Eu-152 1.01E+01 6.06E+00 4.04E-01 Eu- 154 9.29E+00 5.57E+00 3.72E-0 1 Eu-155 3.92E+02 2.35E+02 1.57E+01 Pu-238 2.96E+01 1.78E+01 1.18E+00 Pu-239/240 2.67E+O 1 1.60E+01 1.07E+00 Am-241 (5) 2.58E+01 1.55E+01 1.03E+00 Pu-241 8.70E+02 5.22E+02 3.48E+01 Cm-243/244 2.90E+0 1 1.74E+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 fifteen (15) 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 9

SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD Another important facet of the DQO process is to identify the radionuclides of concern and determine the concentration variability. During the characterization of the subsurface soils in this survey unit, Cs-137 and Co-60 were identified as the principle gamma emitting radionuclides which were present in sufficient concentrations that could potentially exceed the screening criteria. In addition, Sr-90 and H-3 were positively identified (i.e. a result greater than two (2) standard deviations uncertainty) in six (6) different samples. The sample population as a whole was evaluated to assess the distribution of the detected radionuclides. The radionuclide distribution percentage for each sample in the population was calculated by dividing the concentration of each detected radionuclide by the total activity concentration in the sample, expressing the abundance of the specific nuclide in the sample compared against the total activity. The mean radionuclide distribution was then calculated by taking the average of the individual sample distribution fractions. The resultant distribution fractions are presented in Table 3 below.

Table 3 -Radionuclide Distribution Fraction for Detectable Radionuclides in the Characterization Soil Sample Population Detected Radionuclide Distribution Fraction Cs-137 0.791 Co-60 0.058 Sr-90 0.036 H-3 0.115 The potential presence of HTD radionuclides such as Sr-90 and H-3 was addressed during the FSS of this survey unit by using a surrogate relationship to another detectable radionuclide as recommended in NUREG-1575 (MARSSIM), in this case Cs-137. This approach directly applies as gamma spectroscopy was the primary analytical method used to assess volumetric soil samples in comparison against the Operational DCGL for soil. To demonstrate compliance with the release criteria for the survey unit, the DCGL for the surrogate radionuclide, in this case Cs-137 was scaled to account for the fact that it was being used as an indicator for additional radionuclides, in this case Sr-90 and H-3. The result is referred to as the surrogate DCGL.

The surrogate DCGL was computed based on the distribution ratio between the hard-to-detect radionuclides and the easy-to-detect radionuclides. The surrogate DCGL is computed as follows:

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SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD Equation 3 1 Suroat~~~ KDCGLS I)

+

R2 DCGL2

)+ Rý )+

DCGL 3 +DCGL, R.

1 Where: DCGLsur = Surrogate radionuclide DCGL DCGL 2,3...n = DCGL for radionuclides to be represented by the surrogate Rn = Ratio of concentration (or nuclide mixture fraction) of radionuclide "n" to surrogate radionuclide For soils, using the DCGLs presented in Table 2 and the soil nuclide distribution presented in Table 3, the following surrogate calculation was deduced; Equation4 SurrogateCGL(s_137)= =3.85 pCi/g 1.5,,7 +I 7911 .791 4 7

. 5s(-137) 0.93(sr-go) 247.00(H-3)

Subsequently, the surrogate DCGL that was used for Cs-137 in this survey unit to demonstrate compliance with the operational dose limit of fifteen (15) mrem per year is 3.85 pCi/g.

In addition to the application of a surrogate DCGL to account for the HTD radionuclides of concern, two soil samples were selected to be analyzed by an approved off-site laboratory for all radionuclides specified in Table 1. This exceeds the LTP requirement that a minimum of 5% of the subsurface soil samples be analyzed by an approved off-site laboratory for all HTD radionuclides of concern as specified by the LTP.

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 a sample design that includes either random or biased media sampling.

The DQO process determined that both Cs-137 and Co-60 would be the primary radionuclides of concern in Survey Unit 9804-0000. In addition, the potential Revision 0 I1I

SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD presence of two HTD radionuclides of concern, Sr-90 and H-3, would be accounted for through the use of a surrogate DCGL, in this case Cs-137 (refer to Section 3). Other radionuclides positively identified in concentrations greater than the screening criteria during the performance of this FSS would also be evaluated to ensure adequate survey design. Radionuclide screening or de-selection is a process where an individual radionuclide or aggregates may be considered insignificant and eliminated from the FSS. The criteria for de-selection are concentrations less than 5% for individual radionuclides and less than 10% for aggregates.

As the survey unit is classified as a Class A subsurface soils area, and discrete, elevated areas of contamination were possible, the application of the Elevated Measurement Comparison (EMC) remained an option.

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.

LTP Section 5.7.3.2.2 states that there will be a minimum of thirty one (31) measurement locations, based on a sample population of approximately one per 500 m 2 in a Class A subsurface soil area. The sample density for Survey Unit 9804-0000 with a survey population of thirty one (31) measurements over approximately eleven thousand five hundred and sixty eight square meters (11,568 inm) was one measurement every three hundred and seventy three (373) m2. In addition, biased measurements or samples were obtained at the locations of localized remediation efforts where there was the potential for soil contamination. LTP Section 5.7.3.2.2 states that the range of the number of measurements in Class A areas corresponds to the range of values for N (for Sign test), considering a = 0 .05, 13= 0.05, and a relative shift of< 3.0.

The grid pattern and locations of the soil samples were determined using Visual Sample Plan (VSP) in accordance with Procedure RPM 5.1-14, "Identifying, and Marking Surface Sample 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 A subsurface survey 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 4.

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SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD Table 4 - Sample Measurement Locations with Associated GPS Coordinates for Non-parametric Sample Population Designation Northing Easting 9804-0000-OO1F 236559.81 669100.78 9804-0000-002F 236500.84 669066.74 9804-0000-003F 236500.84 669134.83 9804-0000-004F 236441.88 668964.61 9804-0000-005F 236441.88 669032.70 9804-0000-006F 236441.88 669100.78 9804-0000-007F 236382.92 668930.57 9804-0000-008F 236382.92 668998.66 9804-0000-009F 236382.92 669066.74 9804-0000-01OF 236382.92 669134.83 9804-0000-011F 236382.92 669202.91 9804-0000-012F 236323.95 668896.53 9804-0000-013F 236323.95 668964.61 9804-0000-014F 236323.95 669032.70 9804-0000-015F 236323.95 669100.78 9804-0000-016F 236323.95 669168.87 9804-0000-017F 236323.95 669236.95 9804-0000-019F 236264.99 668998.66 9804-0000-020F 236264.99 669066.74 9804-0000-021F 236264.99 669134.83 9804-0000-022F 236264.99 669202.91 9804-0000-023F 236264.99 669270.99 9804-0000-025F 236206.03 669100.78 9804-0000-026F 236206.03 669236.95 Revision 0 13

SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD Table 4 - (continued)

Designation Northing Easting 9804-0000-027F 236206.03 669305.04 9804-0000-028F 236206.03 669373.12 9804-0000-029F 236147.07 669339.08 9804-0000-030F 236147.07 669407.16 During the performance of the survey, it was discovered that three (3) of the thirty-one (31) sample locations identified for non-parametric testing were deemed to be inaccessible due to the rapid change in elevation from east to west toward the canal, changes to the discharge structure, removal of the rip-rap, and area restoration to the banks of the discharge canal. The three (3) locations identified were 9804-0000-018F, 9804-0000-024F and 9804-0000-031F.

Subsequently, three (3) additional sample measurement locations were designated to replace the locations that were deemed to be inaccessible. The location of the samples were determined using Visual Sample Plan (VSP) in accordance with RPM 5.1-14, "Identifying and Marking Surface Sample Locations for FSS in Open Land Areas" using a random selection which is appropriate for relocating a small number of sample locations in a Class A area. Sample Measurement Locations for the additional samples are listed with the GPS coordinates in Table 5.

Table 5 - Sample Measurement Locations with Associated GPS Coordinates for Replacement Sample Locations Designation Northing Easting 9804-0000-036F 236365.25 669149.47 9804-0000-037F 236400.39 668982.88 9804-0000-038F 236355.96 669069.10 In accordance with LTP Section 5.7.3.2.2, four (4) judgmental (biased) samples were collected in this survey area. One (1) judgmental location was situated at the base of the discharge canal at the location of the former barge slip, one (1) judgmental sample was situated at the north boundary of the area formally designated as Excavation #7, one (1) judgmental sample was taken in the northeast quadrant at the location where subsurface drain headers were removed and one (1) sample was taken at the former location of the sewer/shower drain tank. Sample Measurement Locations for the judgmental samples are listed with the GPS coordinates in Table 6.

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SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD Table 6 - Sample Measurement Locations with Associated GPS Coordinates for Judgmental Sample Locations Designation Northing Easting 9804-0000-032B 236206.11 669139.23 9804-0000-033B 236492.21 669023.32 9804-0000-034B 236400.60 669091.16 9804-0000-035B 236294.04 669153.04 Procedure RPM 5.1-11 specifies that 5% of the samples are required to be selected for HTD analysis. Two (2) soil samples, or about 10% of the number of samples that would be used for non-parametric statistical testing were randomly selected for HTD radionuclide analysis using the Microsoft Excel "RANDBETWEEN" function. Each sample was sent off-site for a full suite analysis of the HTD radionuclides specified in the LTP, Table 2-12, "Radionuclides Potentially Present at Haddam Neck Plant" and as provided in Table 2.

The implementation of quality control measures as referenced by Procedure RPM 5.1-24, "Split Sample Assessment for Final Status Survey," included the collection of one (1) soil sample for "split sample" analysis by the off-site laboratory. This location was selected randomly using the Microsoft Excel "RANDBETWEEN" function.

Survey Unit 9804-0000 is a subsurface survey unit. Subsequently, no scanning was required.

For this Class A survey unit, the "Investigation Level" for soil sample measurement results are those levels specified in LTP, Table 5-8. Table 7 provides a synopsis of the survey design.

Table 7 - Synopsis of the Survey Design Feature Design Criteria Basis Subsurface Survey Unit 11,568 m2 Based on AutoCAD-LT Land Area 35 IAW LTP Section 5.7.3.2.2 for a Class A Number of Measurements (31 Systematic grid) Subsurface Soil Survey (4 Judgmental) Unit Grid Spacing 20.74 m Based on triangular grid Revision 0 15

SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD Table 7 - (continued)

Feature Design Criteria Basis 3.85 pCi/g Cs-137(2) Administratively set to Operational DCGL achieve 15 mrem/yr TEDE 2.29 pCi/g Co-60 (1)

The Operational DCGL(s)

Soil Investigation Level 3.85 pCi/g Cs-137*2 ) are more conservative that 2.29 pCi/g Co-60 the LTP criteria for a Class 1 survey unit (1) The allowable dose for soil in this survey unit is fifteen (15) mrem/yr TEDE as the bounding dose from existing and future groundwater has been established based on field data (reference CY memo ISC 06-024).

(2) The Operational DCGL for Cs- 137 has been adjusted as a surrogate to account for the potential presence of HTD radionuclides Sr-90 and H-3.

5. SURVEY IMPLEMENTATION Final status survey field activities were conducted under Work Plan and Inspection Record (WP&IR) 2006-0043. 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.

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.

Thirty-five (35) subsurface 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 collected using direct push probe technology (GeoProbe).

All samples were obtained to a depth of three (3) meters with the exception of sample numbers 9804-0000-005F, 9804-0000-01 IF, 9804-0000-017F, 9804-0000-020F, 9804-0000-023F and 9804-0000-033, where refusal was encountered due to the presence of bedrock prior to reaching a three (3) meter depth. In addition, sample 9804-0000-019F was relocated approximately three feet to the west of its designed location due to the presence of a rock ledge. Large stones, wood and/or root pieces were removed and the soil matrix was homogenized from each 3 meter soil column. Samples were controlled, transported, stored, and transferred to the off-site laboratory using Chain-of-Custody (COC) protocol in accordance with Procedure RPM 5.1-5, "Chain of Custodyfor Final Status Survey Samples."

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SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD Two (2) samples (9804-0000-027F and 9804-0000-036F) were randomly selected for HTD radionuclide analysis.

The implementation of survey specific quality control measures included the collection of two (2) samples (9804-0000-007F and 9804-0000-028F) for "split sample" analysis.

6. SURVEY RESULTS All field survey activities were conducted between November 28, 2006 and November 30, 2006.

The off-site laboratory employed for the radiological analyses of samples was General Engineering Laboratories, LLC. The laboratory analyzed the thirty-one (31) samples collected for non-parametric statistical testing, the associated field splits and the four (4) judgmental samples using gamma spectroscopy. Gamma spectroscopy analysis was performed to the required MDCs. Gamma spectroscopy results identified some radionuclides meeting the accepted criteria for detection (i.e., a result greater than two 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 twelve (12) and Co-60 was identified in one (1) of the thirty-one (31) 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 thirty-one (31) samples collected for non-parametric statistical testing results is provided in Table 8.

Table 8 - Summary of Gamma Spectroscopy Results for Surface Soil Samples Comprising the Statistical Sample Population Cs-137 Co-60 Sample Number

_________pCi/g pCi/g 9804-0000-001F 1.53E-02 6.09E-03 9804-0000-002F 3.69E-02 3.01E-03 9804-0000-003F 2.82E-02 8.66E-03 9804-0000-004F 0.OOE+00 -9.72E-03 9804-0000-005F 1.41E-02 5.55E-03 9804-0000-006F 0.OOE+00 5.36E-03 9804-0000-007F -1.02E-02 -8.67E-03 Revision 0 17

SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD Table 8 - (continued)

Cs-137 Co-60 Sample Number pCi/g pCi/g 9804-0000-008F 5.06E-03 L.O0E-02 9804-0000-009F -4.96E-04 1.41E-02 9804-0000-OOIOF 7.61E-03 1.18E-02 9804-0000-0011 F 1.20E-02 4.OOE-03 9804-0000-0012F 0.OOE+00 -3.92E-03 9804-0000-0013F 3.82E-02 -1.83E-02 9804-0000-0014F 3.31 E-02 -1.38E-03 9804-0000-0015F 3.24E-02 3.89E-02 9804-0000-0016F 1.71E-02 9.88E-04 9804-0000-0017F 7.43E-02 - 1.48E-02 9804-0000-0019F 4.67E-02 1.70E-02 9804-0000-0020F 4.50E-02 6.85E-03 9804-0000-0021F 3. 1OE-02 -4.88E-03 9804-0000-0022F 5.83E-02 1.47E-02 9804-0000-0023F 1.78E-02 1.55E-02 9804-0000-0025F 2.67E-02 1.13E-02 9804-0000-0026F 2.05E-02 -2.50E-03 9804-0000-0027F 1.52E-02 3.33E-03 9804-0000-0028F 5.16E-03 -1.88E-02 9804-0000-0029F -3.12E-03 -1.25E-02 9804-0000-003OF -4.96E-04 1.24E-02 9804-0000-0036F 7.61E-03 9.66E-03 9804-0000-0037F 1.20E-02 7.39E-03 9804-0000-0038F 0.OOE+00 2.48E-02 The off-site laboratory also processed two (2) samples for HTD analysis as required by the sample plan. The requested analyses included alpha spectroscopy, gas proportional counting, and liquid scintillation depending on the radionuclide and the measurement method. All analyses met the required MDC.

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SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD Sr-90 was positively identified (i.e., a result greater than two standard deviations uncertainty) in one of the two samples analyzed for HTD radionuclides. As previously stated in Section 4 of this report, the criteria for de-selection of a radionuclide is a concentration that is less than 5% of the Operational DCGL for individual radionuclides and less than 10% of the Operational DCGLs for aggregates. For Sr-90, the Operational DCGL is 0.93 pCi/g to achieve a TEDE of fifteen (15) mrem/yr. The analytical result for Sr-90 identified in sample number 9804-0000-027F equated to 6% of the Operational DCGL. This concentration was within the observed range for the sample population used to determine the average nuclide distribution. However, as Sr-90 was already identified as a radionuclide of concern for this survey unit and a surrogate DCGL was applied to account for the potential presence of Sr-90 and H-3, no further action was deemed necessary. All other HTD radionuclides were not present in concentrations sufficient for detection (i.e., a result greater than two standard deviations uncertainty) in the two samples selected for HTD analysis. The singular result for Sr-90 is provided below in Table 9.

Table 9 - Summary of Sr-90 Analysis Results for Surface Soil Samples Comprising the Statistical Sample Population Sample Number Sr-90 pCi/g 9804-0000-027F 5.12E-2 The "sum-of-fractions" or "unity rule" is the mathematical test used 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 DCGLI DCGL2 DCGLn Where: Cn = 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 9522-0003 are provided in Table 10 below.

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SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD Table 10- Results of Unity Calculation for Subsurface Soil Samples Comprising the Statistical Sample Population (3)

Fraction of the 0 erational DCGLU)

Sample Number Cs-13712) Co-60 Unity 9804-0000-001F - -

9804-0000-002F 0.01 0.01 9804-0000-003F 0.01 0.01 9804-0000-004F 9804-0000-005F 9804-0000-006F 9804-0000-007F 9804-0000-008F 9804-0000-009F 9804-0000-OO1OF 0.01 - 0.01 9804-0000-001 IF 0.01 - 0.01 9804-0000-0012F - -

9804-0000-0013F 9804-0000-0014F 9804-0000-0015F - -

9804-0000-0016F - -

9804-0000-0017F - -

9804-0000-0019F 0.01 - 0.01 9804-0000-0020F 0.02 0.02 9804-0000-0021F 9804-0000-0022F 0.01 - 0.01 9804-0000-0023F 0.01 - 0.01 9804-0000-0025F 0.01 - 0.01 9804-0000-0026F 0.01 - 0.01 9804-0000-0027F 0.01 - 0.01 9804-0000-0028F Revision 0 20

SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD Table 10 - (continued)

Fraction of the 0 erational DCGL(1 ) Unity Sample Number Cs-137(2) Co-60 9804-0000-0029F 0.01 0.01 9804-0000-003OF 0.01 0.01 9804-0000-0036F - -

9804-0000-0037F -

9804-0000-0038F -

(1) The Operational DCGL is 4.75 pCi/g for Cs-137 and 2.29 pCi/g for Co-60 to achieve fifteen (15) mrem/yr TEDE respectively.

(2) The Operational DCGL for Cs-137 has been adjusted to 3.85 pCilg as a surrogate to account for the potential presence of HTD radionuclide Sr-90 and H-3.

(3) Blank cells indicate that the radionuclide was not positively detected in the sample Four (4) biased judgmental subsurface soil samples were collected. The judgmental soil samples were analyzed for Cs-137 and Co-60 in accordance with the DQOs used during the survey design. The samples are denoted as shown in location Table 6, with the sample results shown in Table 11 below.

Table 11 - Judgmental Sample Results (3)

Cs-137 (2)Co-60 Fraction of the Sample Number PCs-13 pCo-6 Operational SrpCi/g pCi/g DCGL("

9804-0000-032B 7.80E-03 1.24E-02 -

9804-0000-033B 1.15E-01 9.66E-03 0.03 9804-0000-034B 1.41E-02 7.39E-03 -

9804-0000-035B 5.77E-02 2.48E-02 0.01 (1) The Operational DCGL is 4.75 pCi/g for Cs-137 and 2.29 pCi/g for Co-60 to achieve fifteen (15) mrem/yr TEDE respectively.

(2) The Operational DCGL for Cs-137 has been adjusted to 3.85 pCi/g as a surrogate to account for the potential presence of HTD radionuclide Sr-90 and H-3.

(3) Blank cells indicate that the radionuclide was not positively detected in the sample Revision 0 21

SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD

7. QUALITY CONTROL The off-site laboratory processed the split samples and performed gamma spectroscopy analysis. Ten percent (10%) of the samples were selected for analysis, which exceeds the 5% minimum required by the LTP. The data were evaluated using USNRC acceptance criteria specified in Inspection Procedure 84750 as detailed in HNP Procedure RPM 5.1-24, "Split Sample Assessment for Final Status Survey ".

Cs-137 was not detected in sufficient quantities in the field split results at locations 9804-0000-007 or 9804-0000-028 to evaluate in accordance with procedure. Evaluation using the reported results for naturally occurring K-40 resulted in acceptable agreement between the field-split results at these locations.

The sample analysis vendor, GEL, maintains quality control and quality assurance plans as part of normal operation. Refer to Attachment 3 for data and data quality analysis results.

8. INVESTIGATIONS AND RESULTS No investigations were conducted within this survey unit.

9. REMEDIATION AND RESULTS Significant remediation activities occurred in this survey unit prior to FSS. All above grade and below grade commodities and facility systems were removed and properly dispositioned. Contaminated soils were identified, excavated and removed as part of the "Zone 12" and "Excavation 7" remediation projects which occurred in this survey area. All excavations were characterized and backfilled with "clean" fill prior to performing FSS. As a byproduct of remediation activities, the ground area is comprised of barren dirt with no vegetation, and the soils have been graded relatively flat to the corresponding elevation of the survey units to the north and west. The majority of the southeastern half of the ground in this survey unit is comprised of stone from the ledge outcroppings along the eastern ridge. Health Physics TSD BCY-HP-0078, "ALARA Evaluation of Soil Remediation in Support of Final Status Survey, " determined that remediation beyond that required to meet the release criteria is unnecessary and that the remaining residual radioactivity in soil was ALARA.

10. CHANGES FROM THE FINAL STATUS SURVEY PLAN During the performance of the survey, it was discovered that three (3) of the thirty-one (31) sample locations identified for non-parametric testing were deemed to be inaccessible. The three (3) locations identified were 9804-0000-018F, 9804-0000-024F and 9804-0000-031F. Subsequently, three (3) additional sample measurement locations (9804-0000-036F, 9804-0000-037F and 9804-0000-038F) were designated to replace the locations that are deemed to be inaccessible. This was accomplished through an addendum to the FSS Plan. In Revision 0 22

SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD addition, sample 9804-0000-019F was relocated approximately three feet to the west of its designed location due to the presence of a rock ledge.

11. DATA QUALITY ASSESSMENT (DQA)

The DQO sample design and data were reviewed in accordance with Procedure RPM 5.1-23, "Data QualityAssessment, " for completeness and consistency. The sampling design had adequate power as indicated by the Retrospective Power Curve. The Sign Test was performed on the data and compared to the original assumptions of the DQOs. The evaluation of the Sign Test results demonstrates that the survey unit passes the unrestricted release criteria, thus, the null hypothesis is rejected.

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

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 12.

Table 12 - Basic Statistical Quantities for Cs-137 and Co-60 from the Final Status Survey Cs-137 Co-60 pCi/g pCi/g DCGLp: 3.85E+00 2.29E+00 Minimum Value: -1.02E-02 -1.88E-02 Maximum Value: 7.43E-02 3.89E-02 Mean: 2.12E-02 2.64E-03 Median: 1.78E-02 3.33E-03 Standard Deviation: 1.93E-02 1.21E-02 For Cs-137, the range of the data, about four (4) 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 18% 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 0.73.

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SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD Co-60, although included in the FSS plan for compliance purposes, was positively identified in only one (1) of the thirty-one (31) samples collected for non-parametric statistical testing. Data assessment 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 Subsurface soils Survey Unit 9804-0000 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 was not required.

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

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

The dose contribution from soil is 0.10 mrem/yr TEDE based on the average radionuclide concentrations in 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 considered impacted by future groundwater radioactive contamination, as there are underground foundations containing residual radioactive material within the groundwater saturated zone in the area (reference CY memo ISC 06-024). The dose contribution from future groundwater, the third dose component, is bounded by two (2) 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 4.10 mrem/yr TEDE. Therefore, Survey Unit 9804-0000 is acceptable for unrestricted release.

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SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD

14. ATTACHMENTS 14.1 Attachment 1 - Survey Unit Location Map 14.3 Attachment 2 - Laboratory Results 14.4 Attachment 3 - DQA Results Revision 0 25

SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD ATTACHMENT 1 (FIGURES)

Revision 0

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SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD ATTACHMENT 2 (LABORATORY DATA)

Revision 0

General Narrative 1

General Narrative for Connecticut Yankee Atomic Power Co.

Work Order: 177084 SDG: MSR#06-1517 December 08, 2006 Laboratory Identification:

General Engineering Laboratories, LLC 2040 Savage Road Charleston, South Carolina 29407 (843) 556-8171 Summary Sample receipt The samples arrived at General Engineering Laboratories, LLC, Charleston, South Carolina on December 05, 2006 for analysis. Shipping container temperatures were checked, documented, and within specifications. The samples were delivered with proper chain of custody documentation and signatures. All sample containers arrived without any visible signs of tampering or breakage.

Sample Identification The laboratory received the following samples:

Laboratory Sample Identification Description 177084001 9804-0000-013F 177084002 9804-0000-020F 177084003 9804-0000-002F 177084004 9804-0000-012F 177084005 9804-0000-003F 177084006 9804-0000-019F 177084007 9804-0000-OOIF 177084008 9804-0000-021F 177084009 9804-0000-026F 177084010 9804-0000-016F 177084011 9804-0000-035F 177084012 9804-0000-030F 177084013 9804-0000-029F 177084014 9804-0000-036F 177084015 9804-0000-038F 177084016 9804-0000-022F 177084017 9804-0000-01OF 177084018 9804-0000-009F 177084019 9804-0000-014F 177084020 9804-0000-025F 177084021 9804-0000-032F 177084022 9804-0000-028F 177084023 9804-0000-015F 177084024 9804-0000-023F 177084025 9804-0000-017F GENERAL ENGINEERING LABORATORIES, LLC a Member of THE GEL GROUP, INC.

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

Phone (843) 556-8171 - Fax243) 766-1178 www.gel.com

177084026 9804-0000-028FS 177084027 9804-0000-01 IF 177084028 9804-0000-027F 177084029 9804-0000-004F 177084030 9804-0000-007F 177084031 9804-0000-007FS 177084032 9804-0000-037F 177084033 9804-0000-033F 177084034 9804-0000-006F 177084035 9804-0000-034F 177084036 9804-0000-008F 177084037 9804-0000-005F Items of Note There are no items to note.

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

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

Analytical Request Thirty-five 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.

Cheryl Jones Project Manager GENERAL ENGINEERING LABORATORIES, LLC a Member of THE GEL GROUP, INC.

P.O. BOX 30712 Charleston, SC 29417

• 2040 Savage Road (29407)

Phone (843) 556-8171 - Fax,43) 766-1178 www .gel.com

List of current GEL Certifications as of 08 December 2006 State I Certification Alaska UST-062 Arizona AZ0668 Arkansas 88-0651 CLIA 42D0904046 California 01151CA Colorado GenEngLabs Connecticut PH-0169 Dept. of Navy NFESC 413 EPA WG-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 SC002 New Mexico FL NELAP E87156 New York 11501 North Carolina 233 North Carolina Drinking W 45709 North Dakota R-158 Oklahoma 9904 Pennsylvania 68-00485 South Carolina 10120001/10585001/10120002 Tennessee 02934 Texas TX213-2006A Texas NELAP TI 04704235-06-TX U.S. Dept. of Agriculture S-52597 US Army Corps of Engineer N/A Utah 8037697376 GEL Vermont VT87156 Virginia 00151 Washington Cl1641 4

Chain of Custody and Supporting Documentation 5

Health Physics Procedure Page 1 of 5 GPP-GGGR-R5104-003-Attachment B-CY-001 Major Connecticut Yankee Atomic Power Company Chain of Custody Form No. 2006-00695 362 Injun Hollow Road, East Hampton, CT 06424 860-267-2556 Project Name: Haddam Neck Analyses Requested Lab Use Only Decommissioning Contact Name & Phone: Comments:

Art Hammond 860-267-2556 x 3118 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: [1 30 D. El 14D. 07D.E-4 Other: (n 0 _ _ ____

Sample Designation Date Time 1 V-4 1 4 ý.4 Comment, Preservation Lab Sample ID 9804-0000-013F 11/28/06 1055 TS C BP X 9804-0000-020F 11/28/06 1130 TS C BP X 9804-0000-002F 11/28/06 1002 TS C BP X 9804-0000-012F 11/28/06 1041 TS C BP X 9804-0000-003F 11/28/06 1028 TS C BP X 9804-0000-019F 11/28/06 1120 TS C BP X 9804-0000-00IF 11/28/06 0900 TS C BP X 9804-0000-021F 11/28/06 1313 TS C BP X NOTES: PO #: 002332 MSR #: 06-1517 0 LTP QA EL Radwaste QA El Non QA Samples Shipped Via: Internal Container FSSP 9804-0000 00 Fed Ex

[] UPS Temp.: !.Deg.C Shipping weight: Ci . - Hand Cus El Other: y i B D e/Time 2) Received,Bv Date/Time Custody Seal Intact?

90Y.10* _i \*jeY* /0/ " Bill of Lading # Y N 3felinqusti By - ate lime 4) Received By J Date/Time

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

Health Physics Procedure Page 2 of 5 GPP-GGGR-R5104-003-Attachment B-CY-001 Major Connecticut Yankee Atomic Power Company Chain of Custody Form No. 2006-00695 362 Injun Hollow Road, East Hampton. CT 06424 860-267-2556 Project Name: Haddam Neck Analyses Requested Lab Use Only Decommissioning Contact Name & Phone: Comments:

Art Hammond 860-267-2556 x 3118 Media Code Sample Type Container 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: [1 30 D. E] 14 D. E 7 D. - ___"__l_/ __["7___,_,_

Other: c t _________

Sample Designation Date Time U P IT ..4 1 Comment, Preservation Lab Sample ID 9804-0000-026F 11/28/06 1505 TS C BP X 9804-0000-016F 11/29/06 1000 TS C BP X 9804-0000-035F 11/29/06 0945 TS C BP X 9804-0000-030F I 1/29/06 0805 TS C BP X 9804-0000-029F 11/29/06 0755 TS C BP X 9804-0000-036F 11/29/06 1131 TS C BP X RDL'S: Sr-90: 0.025pCi/g, H-3: 3.OpCi/g 9804-0000-038F 11/29/06 1500 TS C BP X 9804-0000-022F 11/29/06 0829 TS C BP X NOTES: PO #: 002332 MSR #: 06-1517 E LTP QA E] Radwaste QA [I Non QA Samples Shipped Via: Internal Container FSSP 9804-0000 M Fed Ex Temp.: L-.*_Deg. C Shipping weight: El UPS El Hand Custody SoS3ed?

El Other: Y (IN ate/Time 2)\RceiveBy Date/Time Custody Seal Intact?

IY 1! 1AQ 0 A12 2ýs -ý iý)I<-- Bill of Lading # Y N 3)elinquishld Date ime 4) Received'By'* Date/Time

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

Health Physics Procedure Page 3 of 5 GPP-GGGR-R5104-003-Attachment B-CY-001 Major Connecticut Yankee Atomic Power Company Chain of Custody Form No. 2006-00695 362 Injun Hollow Road, East Hampton, CT 06424 860-267-2556 Project Name: Haddam Neck Analyses Requested Lab Use Only Decommissioning Contact Name & Phone: Comments:

Art Hammond 860-267-2556 x 3118 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:

Other:

El 30D.

Sample Designation

-] 14D.[7D.

Date Time 4 V

1

• L 77 Comment, Preservation c q _

Lab Sample ID 9804-0000-01OF 11/29/06 1311 TS C BP X 9804-0000-009F 11/29/06 1530 TS C BP X 9804-0000-014F 11/29/06 1320 TS C BP X 9804-0000-025F 11/29/06 1435 TS C BP X 9804-0000-032F 11/29/06 1442 TS C BP X 9804-0000-028F 11/29/06 1035 TS C BP X 9804-0000-015F 11/29/06 1015 TS C BP X 9804-0000-023F 11/29/06 1053 TS C BP X NOTES: PO #: 002332 MSR #: 06-1517 0 LTP QA LI Radwaste QA L] Non QA Samples Shipped Via: Internal Container FSSP 9804-0000 0 Fed Ex Temp.: .12- Deg. C Shipping weight: El UPS El Hand Custody ed?

El Other: Ycb1 OR qime at 2) R . ivq'_yDate/Time at V0 /L),,~ Bill of Lading #

Custody Seal Intact?

Y N

3) Welinquis ed y Date/Time 4) Received'By" Date/Time

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

Health Physics Procedure Page 4 of 5 GPP-GGGR-R5104-003 -Attachment B-CY-001 Major Connecticut Yankee Atomic Power Company Chain of Custody Form 362 Injun Hollow Road, East Hampton, CT 06424 No. 2006-00695 860-267-2556 Project Name: Haddam Neck Analyses Requested Lab Use Only Decommissioning Contact Name & Phone: Comments:

Art Hammond 860-267-2556 x 3118 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: [1 30 D. FI 14 D. 0 7 D.

Other: ____ U1 VA) Vl)

Vl) Cl) Cl) CLn Sample Designation Date Time 1 1 1 4 ý

• Comment, Preservation Lab Sample ID 9804-0000-017F 11/29/06 1105 TS C BP X 9804-0000-028FS 11/29/06 1035 TS C BP X 9804-0000-01 IF 11/29/06 1120 TS C BP X 9804-0000-027F 11/29/06 0817 TS C BP X RDL'S: Sr-90: 0.025pCi/g, H-3: 3.0pCi/g 9804-0000-004F 11/30/06 0952 TS C BP X 9804-0000-007F 11/30/06 1005 TS C BP X 9804-0000-007FS 11/30/06 1005 TS C BP X 9804-0000-037F 11/30/06 0940 TS C BP X NOTES: PO #: 002332 MSR #: 06-1517 Z LTP QA El Radwaste QA [: Non QA Samples Shipped Via: Internal Container FSSP 9804-0000 2 Fed Ex Temp.: F- Deg. C Shipping weight:.l UPS El Hand Custody S ed?

0_ Other: ytO

,R Dae/Time 2),:/ ivedB, Date/Time Custody Peal Intact?

'/A,,LK,- Y \'?..."

I [ oi * - Bill of Lading# Y N

3) elinquisliedy l6ate/Time 4) Received B1y J Date/Time

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

Health Physics Procedure Page 5 of 5 GPP-GGGR-R5104-003-Attachment B-CY-001 Major Connecticut Yankee Atomic Power Company Chain of Custody Form No. 2006-00695 362 Injun Hollow Road, East Hampton, CT 06424 860-267-2556 Project Name: Haddam Neck Analyses Requested Lab Use Only Decommissioning Contact Name & Phone: Comments:

Art Hammond 860-267-2556 x 3118 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: El 30 D. [] 14D.07D.

Other: _ _ o3 o3 -7 _ ___

Sample Designation Date Time ý1, f 1 L W Comment, Preservation Lab Sample ID 9804-0000-033F 11/30/06 0756 TS C BP X 9804-0000-006F 11/30/06 0738 TS C BP X 9804-0000-034F 11/30/06 0720 TS C BP X 9804-0000-008F 11/30/06 0825 TS C BP X 9804-0000-005F 11/30/06 0811 TS C BP X NOTES: PO #: 002332 MSR #: 06-1517 E LTP QA El Radwaste QA 0 Non QA Samples Shipped Via: Internal Container FSSP 9804-0000 0 Fed Ex Temp.: n?._Deg. C Shipping weight: El UPS n Hand Custody Sealed?

_E Other: Y Custody Se';ttact?

1) IteIme & 20R]*Bye DateT Bill of Lading # Y N 3)*elinquish9 Bf Datenrime 4) Received By Date/Time

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

Connecticut Yankee Statement of Work for Analytical Lab Services -CY-ISC-SOW-001 Figure 1. Sample Check-in List Date/Time Received:'- l i.

SDG#: A 0G IS7 A-Work Order Number: 70

- 17 77o 7" Shipping Cdbtainer ID: 4Pi '*Mf,- A"Q.PA Chain of Custody#.- .c I I. Custody Seals.o shipping container intact?,. "Yes t ] No [ 1tWh-.

2. Custody Seals dated and signed? Yes- [I No (1-

3. Chain-of-Custody record present? Yes J4'No [1

4. Cooler temperature , (2eX f s4 -

5. Vermiculite/packing materials is: Wet [ ] Dry t, I /t//'--

6.' Number of samples in shipping container: 156--/b "

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

_8., have.

Samples

-4 ýapc hazard labels

-/-.Custody seals .-Z1.ppropriate sample labels

9. Samples are:

" ./ -in good condition leaking

_broken - have air bubbles

10. Were any anomalies identified in sample receipt? Yes [ Noy<

11.1 Description of anomalies (include sample numbers):

S.ample Custodian/Laboratory: Date:._ _ _

Teeon-o r

Telenhone.

to 11*

3 Ai G4

'yl SAMPLERECEIPT & REVIEW FORM PM Use only Client: ti aiLSDG/ARCOCIWork Order: 117089. 17 70 X"V Dale Received: tLf / ,PM(A) Review (ensure son~ g iteMst d ro inn) lReceived By7&g7 Z Sample Receipt Criteria Coments/Qua (Req for n Z er Rqie o NZCubn~

1 Shipping containers received intact Circle Applicable: seals broken damaged conainer leaking oft (describe) and sealed?

Samples requiring cold Circle Coolant # ice bags blue ice ice nowe describe) 2 preservation within (4 + /- 2 C)?

-Record preservation method.

Chain of custody documents 1-included with shipment?

4sealed?/

Sample containers intact and Circle Applicable: seals brok 7 damaged container leaking container oft (descr-lb)

Samples requiring chemical Sample ID's. cova affected and observed pH:

preservation at proper pH? -

6 VOA vials free of headspace Sample IDs containers affected:

6 (defined as < 6mm bubble)?

Are Encore containers present?

7 (If yes, immediately deliver to VOA laboratory)

Samples received within holding JWs and tests affected:

Sample ID's on COC match IDos Sample ID's and containers affected:

Date & time on COC match t Sample ID'S affected:

& time on bottles? ,_ __/nun Number of container eceived Sample ID's affected:

match number in;cated on COC? -

SuspCOC form iaoperly signed in s i i r qlf>ne2tareaions  ?-

Z regulated/non-radioactive", contact the Radiation Safety group for further

]af~

ARadiological B~- Classification? Maximum RSB Counts Receipt_# Reglaed Observedt:

ipped as DOI Hazardous a'Material? If yes, contact Waste Hazard Class Shipped:

IManager or ESH Manager. rU#

D egulate as a oreign oil?

PM (or PMA) review of Hazard classification: Iiil ae .-

12

SAMPLE RECEIPT & REVIEW FORM CONTINUATION FORM I-u--'. Date Received:

-['-S

-QX~o mtA3

- cxx~9q

~oY~ -ocx 0 q.s

~c&u ~

.9  !ý;qLl 691.L "719S J-5-)44 5w,-

I 13

Data Review Qualifier Definitions 14

Data Review Qualifier Definitions Qualifier Explanation

• A quality control analyte recovery is oltside of specified acceptance criteria

• • Analyte is a surrogate compound c Result is less than value reported

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

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

P.O. BOX 30712 Charleston, SC 29417

• 2040 Savage Road (29407)

Phone (843) 558-8171 - Fa3.J53) 766-1178 www .gel.com

RADIOLOGICAL ANALYSIS 16

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

Work Order 177084 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: 593610 Prep Batch Number: 593155 Dry Soil Prep GL-RAD-A-021 Batch Number:

Sample ID Client ID 177084014 9804-0000-036F 177084028 9804-0000-027F 1201241516 Method Blank (MB) 1201241517 177084014(9804-0000-036F) Sample Duplicate (DUP) 1201241518 177084014(9804-0000-036F) Matrix Spike (MS) 1201241519 Laboratory Control Sample (LCS)

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

Calibration Information:

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

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

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

Quality Control (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: 177084014 (9804-0000-036F).

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.

17

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

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

Miscellaneous Information:

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

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

Additional Comments The sample and the duplicate, 1201241517 (9804-0000-036F) and 177084014 (9804-0000-036F), did not meet the relative percent difference requirement for Am-24 1, however they do meet the relative error ratio requirement with a value of 1.47.

Oualifier information Manual qualifiers were not required.

Method/Analysis InfOrmation Product: Alphaspec Pu, Solid-ALL FSS Analytical Method: DOE EML HASL-300, Pu- 11-RC Modified Prep Method: Ash Soil Prep Dry Soil Prep GL-RAD-A-021 Method: Dry Soil Prep Analytical Batch Number: 593611 Prep Batch Number: 593155 Dry Soil Prep GL-RAD-A-021 Batch Number: 593151 Sample ID Client ID 177084014 9804-0000-036F 177084028 9804-0000-027F 1201241524 Method Blank (MB) 1201241525 177084014(9804-0000-036F) Sample Duplicate (DUP) 1201241526 177084014(9804-0000-036F) Matrix Spike (MS) 1201241527 Laboratory Control Sample (LCS)

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

Calibration Information:

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

18

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

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

Quality Control (00 Information:

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

Designated QC The following sample was used for QC: 177084014 (9804-0000-036F).

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

Technical Information:

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

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

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

Miscellaneous Information:

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

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

Additional Comments The sample and the duplicate, 1201241525 (9804-0000-036F) and 177084014 (9804-0000-036F), did not meet the relative percent difference requirement for Pu-239/240, however they do meet the relative error ratio requirement with a value of 1.61.

Qualifier information Manual qualifiers were not required.

Method/Analysis Information Product: Liquid Scint Pu241, Solid-ALL FSS Analytical Method: DOE EML HASL-300, Pu- I1-RC Modified Prep Method: Ash Soil Prep Dry Soil Prep GL-RAD-A-021 Method: Dry Soil Prep Analytical Batch Number: 593612 Prep Batch Number: 593155 19

Dry Soil Prep GL-RAD-A-021 Batch Number: 593151 Sample ID Client ID 177084014 9804-0000-036F 177084028 9804-0000-027F 1201241528 Method Blank (MB) 1201241529 177084014(9804-0000-036F) Sample Duplicate (DUP) 1201241530 177084014(9804-0000-036F) Matrix Spike (MS) 1201241531 Laboratory Control Sample (LCS)

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

Calibration Information:

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

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

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

Quality Control (QC) Information:

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

Designated QC The following sample was used for QC: 177084014 (9804-0000-036F).

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.

20

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

Qualifier information Manual qualifiers were not required.

Method/Analysis Information Product: Gamma,Solid I-FSS GAM & ALL FSS 226 Ingrowth Waived Analytical Method: EML HASL 300, 4.5.2.3 Prep Method: Dry Soil Prep Analytical Batch Number: 593222 Prep Batch Number: 593151 Sample ID Client ID 177084001 9804-0000-013F 177084002 9804-0000-020F 177084003 9804-0000-002F 177084004 9804-0000-012F 177084005 9804-0000-003F 177084006 9804-0000-019F 177084007 9804-0000-001F 177084008 9804-0000-021F 177084009 9804-0000-026F 177084010 9804-0000-016F 177084011 9804-0000-035F 177084012 9804-0000-030F 177084013 9804-0000-029F 177084014 9804-0000-036F 177084015 9804-0000-038F 177084016 9804-0000-022F 177084017 9804-0000-01OF 177084018 9804-0000-009F 177084019 9804-0000-014F 177084020 9804-0000-025F 1201240646 Method Blank (MB) 1201240647 177084001(9804-0000-013F) Sample Duplicate (DUP) 1201240648 Laboratory Control Sample (LCS)

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

Calibration Information:

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

Standards Information 21

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

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

Ouality Control (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: 177084001 (9804-0000-013F).

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.

Qualifier information Qualifier][ Reason 1[ Analyte J[ Sample UI Data rejected due to high peak-width. 11Cesium-137 II 177084010 UI Data rejected due to low abundance. Cesium-134 177084004

_ 11

__ J[177084005 III II I__ 11 11 II 177084007 177084009 II_

_ 11 11

_177084010

_I_

177084012 177084014

_ 11__ 11177084015 11 II 1 __11 177084020 11201240647 II

][ __ ]L Europium-152 ][ 177084004 II Lead-214 II 1201240646 22

UL Data rejected due to no valid peak. 11 Americium-241 ][ 177084015 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: 593223 Prep Batch Number: 593152 Sample ID Client ID 177084021 9804-0000-032F 177084022 9804-0000-028F 177084023 9804-0000-015F 177084024 9804-0000-023F 177084025 9804-0000-017F 177084026 9804-0000-028FS 177084027 9804-0000-01 IF 177084028 9804-0000-027F 177084029 9804-0000-004F 177084030 9804-0000-007F 177084031 9804-0000-007FS 177084032 9804-0000-037F 177084033 9804-0000-033F 177084034 9804-0000-006F 177084035 9804-0000-034F 177084036 9804-0000-008F 177084037 9804-0000-005F 1201240649 Method Blank (MB) 1201240650 177084037(9804-0000-005F) Sample Duplicate (DUP) 1201240651 Laboratory Control Sample (LCS)

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

Quality Control (0C) Information:

Blank Information 23

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

Designated QC The following sample was used for QC: 177084037 (9804-0000-005F).

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 The sample and the duplicate, 1201240650 (9804-0000-005F) and 177084037 (9804-0000-005F), for Tl-208 did not meet the relative percent difference requirement, however they do meet the relative error ratio requirement with value of 1.3099 1.

Oualifier information Qualifier Reason I[ Analyte Sample UI Data rejected due to high peak-width. ][ Bismuth-212 177084031

____ Cesium-137_Il 177084029 1 1 IF - 1[ 177084034 UI Data rejected due to low abundance. I Cesium-134 177084021 II_1 [ 77084027 I_1 177084029 II 177084034

__1 177084035

][ 177084036 Method/Analysis Information Product: GFPC, Sr90, solid - 0.025 pCi/g 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: 593221 24

Prep Batch Number: 593155 Dry Soil Prep GL-RAD-A-021 Batch Number: 593151 Sample ID Client ID 177084014 9804-0000-036F 177084028 9804-0000-027F 1201240642 Method Blank (MB) 1201240643 177087006(9522-0005-005F) Sample Duplicate (DUP) 1201240644 177087006(9522-0005-005F) Matrix Spike (MS) 1201240645 Laboratory Control Sample (LCS)

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

Calibration Information:

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

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

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

Ouality Control (QCQ Information:

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

Designated QC The following sample was used for QC: 177087006 (9522-0005-005F).

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:

25

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.

Oualifier 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: 593284 Sample ID Client ID 177084014 9804-0000-036F 177084028 9804-0000-027F 1201240789 Method Blank (MB) 1201240790 177084014(9804-0000-036F) Sample Duplicate (DUP) 1201240791 177084014(9804-0000-036F) Matrix Spike (MS) 1201240792 Laboratory Control Sample (LCS)

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

Calibration Information:

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

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

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

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: 177084014 (9804-0000-036F).

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.

26

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.

Oualifier 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: 593478 Prep Batch Number: 593155 Dry Soil Prep GL-RAD-A-021 Batch Number: 593151 Sample ID Client ID 177084014 9804-0000-036F 177084028 9804-0000-027F 1201241221 Method Blank (MB) 1201241222 177084014(9804-0000-036F) Sample Duplicate (DUP) 1201241223 177084014(9804-0000-036F) Matrix Spike (MS) 1201241224 Laboratory Control Sample (LCS)

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

Calibration Information:

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

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

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

Ouality Control (QC) Information:

Blank Information 27

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

Designated QC The following sample was used for QC: 177084014 (9804-0000-036F).

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.

Oualifier 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: 593479 Prep Batch Number: 593155 Dry Soil Prep GL-RAD-A-021 Batch Number: 593151 Sample ID Client ID 177084014 9804-0000-036F 177084028 9804-0000-027F 1201241225 Method Blank (MB) 1201241226 177084014(9804-0000-036F) Sample Duplicate (DUP) 1201241227 177084014(9804-0000-036F) Matrix Spike (MS) 1201241228 Laboratory Control Sample (LCS)

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

28

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.

Oualit, 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: 177084014(9804-0000-036F).

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.

Oualifier 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: 593291 Sample ID Client ID 177084014 9804-0000-036F 177084028 9804-0000-027F 1201240803 Method Blank (MB) 1201240804 177087014(9522-0005-013F) Sample Duplicate (DUP) 29

1201240805 177087014(9522-0005-013F) Matrix Spike (MS) 1201240806 Laboratory Control Sample (LCS)

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

Calibration Information:

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

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

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

Ouality Control (0C) Information:

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

Designated QC The following sample was used for QC: 177087014(9522-0005-013F).

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.

Qualifier information Manual qualifiers were not required.

Method/Analysis Information Product: Liquid Scint C14, Solid AIl,FSS Analytical Method: EPA EERF C-01 Modified 30

Analytical Batch Number: 593288 Sample ID Client ID 177084014 9804-0000-036F 177084028 9804-0000-027F 1201240796 Method Blank (MB) 1201240797 177084014(9804-0000-036F) Sample Duplicate (DUP) 1201240798 177084014(9804-0000-036F) Matrix Spike (MS) 1201240799 Laboratory Control Sample (LCS)

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

Calibration Information:

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

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 (0C0 Information:

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

Designated QC The following sample was used for QC: 177084014 (9804-0000-036F).

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.

31

Qualifier information Manual qualifiers were not required.

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

Review Validation:

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

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

Reviewer/Date: *U*ACr'N 32

SAMPLE DATA

SUMMARY

33

GENERAL ENGINEERING 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#06-1517 GEL Work Order: 177084 The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

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

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

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

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

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

Reviewed by 34

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-013F Project: YANK01204 Sample ID: 177084001 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 28-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 6.45%

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

Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.669 +/-0.188 0.0565 +/-0.188 0.122 pCi/g MJHI 12(07/06 1115 593222 Arnericium-241 U -0.0958 +/-0.0731 0.0625 +/-0.0731 0.128 pCi/g Bismuth-212 0.547 +/-0.322 0.140 +/-0.322 0.297 pCi/g Bismuth-214 0.604 +/-0.103 0.0333 +/-0.103 0.0706 pCi/g Cesium-134 U 0.0294 +/-0.0239 0.0219 +/-0.0239 0.0465 pCi/g Cesium-137 U-0.000496 +/-0.0214 0.0182 +/-0.0214 0.0387 pCi/g Cobalt-60 U 0.0141 +/-0.0184 0.0151 +/-0.0184 0.0338 pCi/g Europium-152 U -0.0214 +/-0.053 0.0457 +/-0.053 0.0959 pCi/g Europium-154 U -0.0516 +/-0.0592 0.045 +/-0.0592 0.0998 pCi/g Europium-155 U 0.0129 +/-0.0575 0.051 +/-0.0575 0.105 pCi/g Lead-212 0.680 +/-0.0829 0.0273 +/-0.0829 0.0567 pCi/g Lead-214 0.726 +/-0.106 0.0313 +/-0.106 0.0659 pCi/g Manganese-54 U 0.00152 +/-0.020 0.0169 +/-0.020 0.0361 pCi/g Niobium-94 U -0.0059 +/-0.0183 0.0151 +/-0.0183 0.0323 pCi/g Potassium-40 10.5 +/-1.02 0.146 +/-1.02 0.328 pCi/g Radium-226 0.604 +/-0.103 0.0333 +/-0.103 0.0706 pCi/g Silver-108m U 0.00287 +/-0.0183 0.0161 +/-0.0183 0.034 pCi/g Thallium-208 0.169 +/-0.0509 0.0185 +/-0.0509 0.0392 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 TMBI 12/05/06 1233 593151 The following Analytical Methods were performed Method Description I EML HASL 300, 4.5.2.3 Notes:

The Qualifiers in this report are defined as follows

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 35

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-013F Project: YANKO 1204 Sample ID: 177084001 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1%

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

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

36

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com eckirl-Whr nFA lwe:ic S~ ~.JA L ~ZR4A V ~Z2Y Company: Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-020F Project: YANK01204 Sample ID: 177084002 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 28-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 8.13%

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

Rad Gamma Spec Analysis Gamma,Solid-FSSGAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.449 +/-0.175 0.0561 +/-0.175 0.112 pCi/g MJHI 12/07/06 1208 593222 Americium-241 U 0.0752 +/-0.0761 0.0605 +/-0.0761 0.121 pCi/g Bismuth-212 0.421 +/-0.333 0.140 +/-0.333 0.280 pCi/g Bismuth-214 0.515 +/-0.0905 0.0331 +/-0.0905 0.0661 pCi/g Cesium-134 U 0.0338 +/-0.0231 0.0218 +/-0.0231 0.0435 pCi/g Cesium-137 U 0.0324 +/-0.0338 0.0243 +/-0.0338 0.0485 pCi/g Cobalt-60 U 0.0389 +/-0.0232 0.0208 +/-0.0232 0.0415 pCi/g Europium-152 U -0.0416 +/-0.067 0.0479 +/-0.067 0.0957 pCi/g Europium-154 U 0.00727 +/-0.0671 0.0567 +/-0.0671 0.113 pCi/g Europium-155 U 0.0619 +/-0.0575 0.0519 +/-0.0575 0.104 pCi/g Lead-212 0.674 +/-0.0811 0.0262 +/-0.0811 0.0523 pCi/g Lead-214 0.562 +/-0.0908 0.0347 +/-0.0908 0.0693 pCi/g Manganese-54 U 0.00829 +/-0.0201 0.0179 +/-0.0201 0.0358 pCi/g Niobium-94 U 0.00776 +/-0.0184 0.0165 +/-0.0184 0.033 pCi/g Potassium-40 10.6 +/-1.04 0.136 +/-1.04 0.272 pCi/g Radium-226 0.515 +/-0.0905 0.0331 +/-0.0905 0.0661 pCi/g Silver-108m U 0.00563 +/-0.0181 0.0159 +/-0.0181 0.0317 pCi/g Thallium-208 0.196 +/-0.0506 0.0184 +/-0.0506 0.0369 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 TMBI 12/05/06 1233 593151 The following Analytical Methods were performed Method Description I EML HASL 300,4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 37

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-020F Project: YANK01204 Sample ID: 177084002 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1A

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

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

38

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407- (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-002F Project: YANK01204 Sample ID: 177084003 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 28-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 13.2%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1A Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.914 +/-0.174 0.0422 +/-0.174 0.0844 pCi/g MJHI 12/07/06 1209 593222 Americium-241 U 0.113 +/-0.119 0.0975 +/-0.119 0.195 pCi/g Bismuth-212 0.477 +/-0.221 0.120 +/-0.221 0.240 pCi/g Bismuth-214 0.712 +/-0.0962 0.0271 +/-0.0962 0.0542 pCi/g Cesium-134 U 0.0315 +/-0.0251 0.0185 +/-0.0251 0.0369 pCi/g Cesium-137 0.0369 +/-0.0298 0.0156 +/-0.0298 0.0313 pCi/g Cobalt-60 U 0.00301 +/-0.0175 0.0148 +/-0.0175 0.0295 pCi/g Europium-152 U -0.0416 +/-0.0565 0.0386 +/-0.0565 0.0771 pCi/g Europium-154 U 0.0108 +/-0.0523 0.0443 +/-0.0523 0.0886 pCi/g Europium-155 U 0.0256 +/-0.0605 0.054 +/-0.0605 0.108 pCi/g Lead-212 1.00 +/-0.0965 0.0227 +/-0.0965 0.0453 pCi/g Lead-214 0.789 +/-0.0966 0.029 +/-0.0966 0.058 pCi/g Manganese-54 U -0.00487 +/-0.0164 0.014 +/-0.0164 0.0279 pCi/g Niobium-94 U 0.0145 +/-0.0157 0.0138 +/-0.0157 0.0275 pCi/g Potassium-40 11.3 +/-0.951 0.128 +/-0.951 0.255 pCi/g Radium-226 0.712 +/-0.0962 0.0271 +/-0.0962 0.0542 pCi/g Silver-108m U 0.00692 +/-0.0153 0.0134 +/-0.0153 0.0268 pCi/g Thallium-208 0.284 +/-0.044 0.0132 +/-0.044 0.0263 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 TMB1 12/05/06 1233 593151 The following Analytical Methods were performed Method Description I EML HASL 300, 4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 39

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-002F Project: YANK01204 Sample ID: 177084003 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1%

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

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

40

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company : Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-012F Project: YANK01204 Sample ID: 177084004 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 28-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 6.88%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1%

Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.644 +/-0.164 0.0584 +/-0.164 0.128 pCi/g MJH1 12/07/06 1224 593222 Americium-241 U -0.0623 +/-0.0878 0.0703 +/-0.0878 0.146 pCi/g Bismuth-212 0.481 +/-0.240 0.132 +/-0.240 0.285 pCi/g Bismuth-214 0.560 +/-0.094 0.0331 +/-0.094 0.0708 pCi/g Cesium-134 UI 0.00 +/-0.0221 0.0224 +/-0.0221 0.048 pCi/g Cesium-137 U 0.00746 +/-0.0215 0.0191 +/-0.0215 0.0409 pCi/g Cobalt-60 U 0.000975 +/-0.0251 0.0217 +/-0.0251 0.0476 pCi/g Europium-152 UI 0.00 +/-0.0987 0.0472 +/-0.0987 0.0994 pCi/g Europium-154 U -0.0187 +/-0.0617 0.051 +/-0.0617 0.114 pCi/g Europium-155 U -0.0174 +/-0.0547 0.0488 +/-0.0547 0.101 pCi/g Lead-212 0.645 +/-0.0802 0.0294 +/-0.0802 0.061 pCi/g Lead-214 0.678 +/-0.105 0.0287 +/-0.105 0.0611 pCi/g Manganese-54 U 0.0136 +/-0.0208 0.0187 +/-0.0208 0.0403 pCi/g Niobium-94 U 0.00371 +/-0.0194 0.0169 +/-0.0194 0.0363 pCi/g Potassium-40 10.4 +/-1.13 0.192 +/-1.13 0.428 pCi/g Radium-226 0.560 +/-0.094 0.0331 +/-0.094 0.0708 pCi/g Silver-108m U 0.00141 +/-0.0162 0.0145 +/-0.0162 0.031 pCi/g Thallium-208 0.221 +/-0.044 0.015 +/-0.044 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 TMBI 12/05/06 1233 593151 The following Analytical Methods were performed Method Description I EML HASL 300,4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 41

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-012F Project: YANK01204 Sample ID: 177084004 Client ID: YANKOO Vol. Recv.:

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

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

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

42

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company : Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-003F Project: YANK01204 Sample ID: 177084005 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 28-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 10.8%

Parameter ()ualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1A Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.710 +/-0.173 0.0615 +/-0.173 0.123 pCi/g MJHI 12/07/06 1216 593222 Americium-241 U 0.0694 +/-0.104 0.0854 +/-0.104 0.171 pCi/g Bismuth-212 0.512 +/-0.301 0.136 +/-0.301 0.271 pCi/g Bismuth-214 0.567 +/-0.108 0.0363 +/-0.108 0.0726 pCi/g Cesium- 134 UI 0.00 +/-0.0388 0.0238 +/-0.0388 0.0476 pCi/g Cesium-137 U 0.0282 +/-0.0267 0.0216 +/-0.0267 0.0431 pCi/g Cobalt-60 U 0.00866 +/-0.0237 0.0207 +/-0.0237 0.0413 pCi/g Europium-152 U -0.0263 +/-0.0784 0.0513 +/-0.0784 0.103 pCi/g Europium-154 U 0.00685 +/-0.0767 0.056 +/-0.0767 0.112 pCi/g Europium-155 U 0.0625 +/-0.063 0.0586 +/-0.063 0.117 pCi/g Lead-212 0.768 +/-0.0855 0.0293 +/-0.0855 0.0586 pCi/g Lead-214 0.702 +/-0.119 0.038 +/-0.119 0.076 pCi/g Manganese-54 U 0.0302 +/-0.0295 0.0193 +/-0.0295 0.0386 pCi/g Niobium-94 U -0.0141 +1-0.0214 0.0171 +/-0.0214 0.0343 pCi/g Potassium-40 11.1 +/-1.04 0.150 +/-1.04 0.300 pCi/g Radium-226 0.567 +/-0.108 0.0363 +/-0.108 0.0726 pCi/g Silver-108m U -0.00637 +/-0.0189 0.0162 +/-0.0189 0.0323 pCi/g Thallium-208 0.221 +/-0.0471 0.0184 +/-0.0471 0.0368 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 TMBI 12/05/06 1233 593151 The following Analytical Methods were performed Method Description I EML HASL 300, 4.5.2.3 Notes:

The Qualifiers in this report are defined as follows

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 43

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-003F Project: YANK01204 Sample ID: 177084005 Client ID: YANK001 Vol. Recv.:

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

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

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

44

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis alvsis Certificate ofA Company: Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-019F Proiect: YANK01204 Sample ID: 177084006 Client ID: YAN K001 Matrix: TS Vol. Recv.:

Collect Date: 28-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 8.18%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1A Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.916 +/-0.176 0.057 +/-0.176 0.114 pCi/g MJH1 12/07/06 1217 593222 Americium-241 U 0.0575 +/-0.0899 0.0738 +/-0.0899 0.148 pCi/g Bismuth-212 0.452 +/-0.369 0.148 +/-0.369 0.296 pCi/g Bismuth-214 0.519 +/-0.0955 0.0369 +/-0.0955 0.0738 pCi/g Cesium-134 U 0.0447 +/-0.0323 0.0234 +/-0.0323 0.0468 pCi/g Cesium-137 U 0.0331 +/-0.029 0.0192 +/-0.029 0.0384 pCi/g Cobalt-60 U -0.00138 +/-0.0273 0.0195 +/-0.0273 0.0391 pCi/g Europium-152 U -0.0589 +/-0.088 0.0488 +/-0.088 0.0976 pCi/g Europium-154 U -0.0562 +/-0.0709 0.0538 +/-0.0709 0.108 pCi/g Europium-155 U 0.0839 +/-0.0953 0.0533 +/-0.0953 0.107 pCi/g Lead-212 0.674 +/-0.0818 0.0282 +/-0.0818 0.0563 pCi/g Lead-214 0.586 +/-0.109 0.0337 +/-0.109 0.0674 pCi/g Manganese-54 U 0.019 +/-0.0235 0.0176 +/-0.0235 0.0351 pCi/g Niobium-94 U 0.00674 +/-0.021 0.0181 +/-0.021 0.0362 pCi/g Potassium-40 11.6 +/-1.09 0.121 +/-1.09 0.242 pCi/g Radium-226 0.519 +/-0.0955 0.0369 +/-0.0955 0.0738 pCi/g Silver-108m U -0.00355 +/-0.0191 0.0164 +/-0.0191 0.0328 pCi/g Thallium-208 0.189 +/-0.0538 0.0191 +/-0.0538 0.0383 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 TMBI 12/05/06 1233 593151 The following Analytical Methods were performed Method Description I EML HASL 300,4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 45

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-019F Project: YANK01204 Sample ID: 177084006 Client ID: YANKOOI Vol. Recv.:

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

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

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

46

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis alvsis Certificate ofA Company: Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-001F Project: YANK01204 Sample ID: 177084007 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 28-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 13%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1%

Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.911 +/-0.150 0.0502 +/-0.150 0.108 pCi/g MJH1 12/07/06 1215 593222 Americium-241 U -0.0139 +/-0.117 0.0933 +/-0.117 0.192 pCi/g Bismuth-212 0.673 +/-0.226 0.115 +/-0.226 0.243 pCi/g Bismuth-214 0.681 +/-0.0735 0.0284 +/-0.0735 0.0599 pCi/g Cesium-134 UI 0.00 +/-0.0301 0.0199 +/-0.0301 0.042 pCi/g Cesium-137 U 0.0153 +/-0.0299 0.0159 +/-0.0299 0.0335 pCi/g Cobalt-60 U 0.00609 +/-0.018 0.0158 +/-0.018 0.0345 pCi/g Europium-152 U -0.00912 +/-0.0468 0.0394 +/-0.0468 0.0822 pCi/g Europium-154 U 0.0542 +/-0.0553 0.0513 +/-0.0553 0.110 pCi/g Europium-155 U 0.0734 +/-0.0508 0.0497 +/-0.0508 0.102 pCi/g Lead-212 0.957 +/-0.0564 0.0236 +/-0.0564 0.0487 pCi/g Lead-214 0.774 +/-0.0896 0.0283 +/-0.0896 0.059 pCi/g Manganese-54 U 0.0159 +/-0.0199 0.0137 +/-0.0199 0.0293 pCi/g Niobium-94 U -0.00781 +/-0.0168 0.0139 +/-0.0168 0.0294 pCi/g Potassium-40 10.9 +/-0.761 0.123 +/-0.761 0.274 pCi/g Radium-226 0.681 +/-0.0735 0.0284 +/-0.0735 0.0599 pCi/g Silver-108m U 0.00175 +/-0.0132 0.0119 +/-0.0132 0.0252 pCi/g Thallium-208 0.302 +/-0.0397 0.0149 +/-0.0397 0.0313 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 TMBI 12/05/06 1233 593151 The following Analytical Methods were performed Method Description I EML HASL 300,4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 47

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-00WF Proiect: YANK01204 Sample ID: 177084007 Client ID: YANK001 Vol. Recv.:

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

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

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

48

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company : Connecticut Yankee Atomic Power Address 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-021F Project: YANKO1204 Sample ID: 177084008 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 28-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 9.82%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1A Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.642 +/-0.162 0.0691 +/-0.162 0.150 pCi/g MJHI 12/07/06 1230 593222 Americium-241 U 0.0298 +/-0.0331 0.0284 +/-0.0331 0.0585 pCi/g Bismuth-212 0.657 +/-0.361 0.145 +1-0.361 0.314 pCilg Bismuth-214 0.570 +/-0.106 0.0362 +/-0.106 0.0775 pCi/g Cesium-134 U 0.0547 +/-0.026 0.026 +/-0.026 0.0555 pCi/g Cesium-137 U 0.0171 +/-0.0254 0.0227 +/-0.0254 0.0484 pCi/g Cobalt-60 U 0.000988 +/-0.0239 0.0204 +/-0.0239 0.0454 pCi/g Europium-152 U -0.0427 +/-0.0531 0.0448 +/-0.0531 0.095 pCi/g Europium-154 U -0.0409 +/-0.0771 0.0614 +/-0.0771 0.136 pCi/g Europium-155 U 0.0488 +/-0.0655 0.0469 +/-0.0655 0.0971 pCi/g Lead-212 0.722 +/-0.065 0.0262 +/-0.065 0.0548 pCi/g Lead-214 0.562 +/-0.101 0.0346 +/-0.101 0.0731 pCi/g Manganese-54 U 0.00863 +/-0.0222 0.0193 +/-0.0222 0.0417 pCi/g Niobium-94 U -0.00652 +/-0.0219 0.018 +/-0.0219 0.0386 pCi/g Potassium-40 12.3 +/-0.981 0.164 +/-0.981 0.376 pCi/g Radium-226 0.570 +/-0.106 0.0362 +/-0.106 0.0775 pCi/g Silver-108m U 0.000719 +/-0.0181 0.0159 +/-0.0181 0.0339 pCi/g Thallium-208 0.227 +/-0.0565 0.018 +/-0.0565 0.0388 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 TMB1 12/05/06 1233 593151 The following Analytical Methods were performed Method Description I EML HASL 300, 4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 49

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-021F Project: YANK01204 Sample ID: 177084008 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1%

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

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

50

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-026F Project: YANK01204 Sample ID: 177084009 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 28-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 13.2%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1A Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.667 +/-0.155 0.0551 +/-0.155 0.121 pCi/g MJHI 12/07/06 1224 593222 Americium-241 U 0.00145 +/-0.0931 0.0726 +/-0.0931 0.151 pCi/g Bismuth-212 0.692 +/-0.241 0.122 +/-0.241 0.266 pCi/g Bismuth-214 0.469 +/-0.0897 0.031 +/-0.0897 0.0667 pCi/g Cesium-134 UI 0.00 +/-0.0583 0.0238 +/-0.0583 0.0507 pCi/g Cesium-137 U 0.031 +/-0.0293 0.0165 +/-0.0293 0.0357 pCi/g Cobalt-60 U -0.00488 +/-0.0198 0.0158 +/-0.0198 0.0357 pCi/g Europium-152 U 0.0198 +/-0.0476 0.0436 +/-0.0476 0.0921 pCi/g Europium-154 U -0.0481 +/-0.0665 0.050 +/-0.0665 0.111 pCi/g Europium-155 U 0.0012 +/-0.052 0.0473 +/-0.052 0.0983 pCi/g Lead-212 0.473 +/-0.085 0.0317 +/-0.085 0.0657 pCi/g Lead-214 0.548 +/-0.0984 0.0289 +/-0.0984 0.0613 pCi/g Manganese-54 U 0.00856 +/-0.0209 0.0188 +/-0.0209 0.0404 pCi/g Niobium-94 U 0.00131 +/-0.0192 0.0162 +/-0.0192 0.0348 pCi/g Potassium-40 10.3 +/-1.12 0.166 +/-1.12 0.374 pCi/g Radium-226 0.469 +/-0.0897 0.031 +/-0.0897 0.0667 pCi/g Silver-108m U -0.00306 +/-0.0186 0.0141 +/-0.0186 0.0301 pCi/g Thallium-208 0.236 +/-0.042 0.0153 +/-0.042 0.0331 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 TMB1 12/05/06 1233 593151 The following Analytical Methods were performed Method Description I EML HASL 300,4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 51

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-026F Project: YANK01204 Sample ID: 177084009 Client ID: YANK00I Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1N

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

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

52

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-016F Proiect: YANK01 204 Sample ID: 177084010 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 29-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 19.3%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1A Rad Gamma Spec Analysis Gamma,Solid-FSSGAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.800 +/-0.194 0.0724 +/-0.194 0.155 pCi/g MJHI 12/07/06 1225 593222 Americium-241 U -0.0547 +/-0.104 0.0822 +/-0.104 0.170 pCi/g Bismuth-212 0.763 +/-0.269 0.132 +/-0.269 0.284 pCi/g Bismuth-214 0.671 +/-0.112 0.0311 +/-0.112 0.0666 pCi/g Cesium-134 UI 0.00 +/-0.0368 0.0245 +/-0.0368 0.052 pCi/g Cesium-137 UI 0.00 +/-0.0425 0.0173 +/-0.0425 0.0371 pCi/g Cobalt-60 U -0.00392 +/-0.0233 0.019 +/-0.0233 0.0421 pCi/g Europium-152 U -0.0151 +/-0.0551 0.0477 +/-0.0551 0.100 pCi/g Europium-154 U 0.0153 +/-0.0742 0.0634 +/-0.0742 0.138 pCi/g Europium-155 U 0.105 +/-0.0896 0.0515 +/-0.0896 0.107 pCi/g Lead-212 0.817 +/-0.0903 0.0291 +/-0.0903 0.0604 pCi/g Lead-214 0.649 +/-0.101 0.0364 +/-0.101 0.0763 pCi/g Manganese-54 U -0.0258 +/-0.0211 0.0163 +/-0.0211 0.0353 pCi/g Niobium-94 U 0.0041 +/-0.0206 0.0175 +/-0.0206 0.0373 pCi/g Potassium-40 14.1 +/-1.40 0.166 +/-1.40 0.373 pCi/g Radium-226 0.671 +/-0.112 0.0311 +/-0.112 0.0666 pCi/g Silver-108m U -0.00308 +/-0.0203 0.0174 +/-0.0203 0.0367 pCi/g Thallium-208 0.243 +/-0.050 0.020 +/-0.050 0.0423 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 TMBI 12/05/06 1233 593151 The following Analytical Methods were performed Method Description I EML HASL 300,4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 53

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-016F Project: YANKO 1204 Sample ID: 177084010 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1A

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

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

54

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company : Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-035F Project: YANK01204 Sample ID: 177084011 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 29-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 11.7%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1A Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.471 +/-0.160 0.0803 +/-0.160 0.171 pCi/g MJHI 12/07/06 1215 593222 Americium-241 U -0.00224 +/-0.0327 0.0292 +/-0.0327 0.0601 pCi/g Bismuth-212 0.483 +/-0.375 0.174 +/-0.375 0.368 pCi/g Bismuth-214 0.654 +1-0.115 0.0427 +1-0.115 0.0899 pCi/g Cesium-134 U -0.007 +/-0.036 0.0259 +/-0.036 0.0549 pCi/g Cesium-137 0.0577 +/-0.0486 0.0222 +/-0.0486 0.047 pCi/g Cobalt-60 U 0.0248 +/-0.0258 0.0239 +/-0.0258 0.0519 pCi/g Europium-152 U -0.0254 +/-0.0635 0.0529 +/-0.0635 0.111 pCi/g Europium-154 U 0.0257 +/-0.0823 0.0715 +/-0.0823 0.154 pCi/g Europium-155 U 0.0434 +/-0.079 0.0493 +/-0.079 0.102 pCi/g Lead-212 0.512 +/-0.0749 0.0376 +/-0.0749 0.0774 pCi/g Lead-214 0.587 +/-0.0984 0.0377 +/-0.0984 0.0789 pCi/g Manganese-54 U 0.0155 +/-0.0257 0.0226 +/-0.0257 0.048 pCi/g Niobium-94 U 0.0102 +/-0.0247 0.0217 +/-0.0247 0.0457 pCi/g Potassium-40 7.69 +/-0.765 0.215 +/-0.765 0.470 pCi/g Radium-226 0.654 +/-0.115 0.0427 +/-0.115 0.0899 pCi/g Silver-108m U -0.0173 +/-0.0193 0.0164 +/-0.0193 0.0347 pCi/g Thallium-208 0.166 +/-0.0509 0.0222 +/-0.0509 0.0467 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 TMBI 12/05/06 1233 593151 The following Analytical Methods were performed Method Description I EML HASL 300,4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 55

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-035F Project: YANK01204 Sample ID: 177084011 Client ID: YANK001 Vol. Recv.:

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

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

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

56

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company : Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-030F Project: YANK01204 Sample ID: 177084012 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 29-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 15.5%

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

Rad Gamma Spec Analysis Gamma,Solid-FSSGAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.869 +/-0.172 0.0568 +/-0.172 0.124 pCi/g MJH1 12/07/06 1210 593222 Americium-241 U -0.00821 +/-0.0288 0.0225 +/-0.0288 0.0466 pCi/g Bismuth-212 U 0.251 +/-0.324 0.149 +/-0.324 0.318 pCi/g Bismuth-214 0.615 +/-0.0986 0.034 +/-0.0986 0.0723 pCi/g Cesium-134 UI 0.00 +/-0.044 0.0245 +/-0.044 0.0521 pCi/g Cesium-137 U 0.0205 +/-0.0204 0.0198 +/-0.0204 0.0421 pCi/g Cobalt-60 U -0.0025 +/-0.0216 0.0177 +/-0.0216 0.0395 pCi/g Europium-152 U -0.0149 +/-0.0486 0.0397 +/-0.0486 0.0841 pCi/g Europium-154 U -0.0089 +/-0.0662 0.0545 +/-0.0662 0.120 pCi/g Europium-155 U 0.0247 +/-0.041 0.0385 +/-0.041 0.0798 pCi/g Lead-212 0.801 +/-0.0585 0.023 +/-0.0585 0.0482 pCi/g Lead-214 0.745 +/-0.087 0.0314 +/-0.087 0.0662 pCi/g Manganese-54 U 0.0111 +/-0.0245 0.0211 +/-0.0245 0.0449 pCi/g Niobium-94 U 0.0212 +/-0.0323 0.0159 +/-0.0323 0.034 pCi/g Potassium-40 11.8 +/-0.976 0.172 +/-0.976 0.385 pCi/g Radium-226 0.615 +/-0.0986 0.034 +/-0.0986 0.0723 pCi/g Silver-108m U 0.00717 +/-0.0172 0.0156 +/-0.0172 0.033 pCi/g Thallium-208 0.273 +/-0.0439 0.0174 +/-0.0439 0.0371 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 TMB1 12/05/06 1233 593151 The following Analytical Methods were performed Method Description I EML HASL 300,4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 57

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-030F Project: YANK01204 Sample ID: 177084012 Client ID: YANK001 Vol. Recv.:

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

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

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

58

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company : Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-029F Project: YANK01204 Sample ID: 177084013 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 29-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 17.3%

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

Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.400 +/-0.186 0.0821 +/-0.186 0.179 pCi/g MJHI 12/07/06 1217 593222 Americium-241 U -0.0265 +/-0.0296 0.0249 +/-0.0296 0.0518 pCi/g Bismuth-212 0.538 +/-0.367 0.146 +/-0.367 0.319 pCi/g Bismuth-214 0.456 +/-0.0982 0.0402 +/-0.0982 0.0863 pCi/g Cesium-134 U 0.0291 +/-0.0267 0.0255 +/-0.0267 0.0552 pCi/g Cesium-137 U 0.0267 +/-0.0256 0.0244 +/-0.0256 0.0523 pCi/g Cobalt-60 U 0.0113 +/-0.0257 0.0226 +/-0.0257 0.0507 pCi/g Europium-152 U -0.0363 +1-0.0511 0.0415 +/-0.0511 0.0891 pCi/g Europium-154 U -0.00869 +/-0.0848 0.0688 +/-0.0848 0.153 pCi/g Europium-155 U 0.0423 +/-0.0734 0.0413 +/-0.0734 0.0864 pCi/g Lead-212 0.646 +/-0.0636 0.0265 +/-0.0636 0.0556 pCi/g Lead-214 0.521 +/-0.0752 0.0338 +/-0.0752 0.072 pCi/g Manganese-54 U 0.0101 +/-0.0306 0.0205 +/-0.0306 0.0448 pCi/g Niobium-94 U 0.0186 +/-0.0245 0.0226 +/-0.0245 0.0484 pCi/g Potassium-40 10.1 +1-1.15 0.222 +/-1.15 0.500 pCi/g Radium-226 0.456 +/-0.0982 0.0402 +/-0.0982 0.0863 pCi/g Silver-108m U 0.00466 +/-0.0202 0.0174 +/-0.0202 0.0374 pCi/g Thallium-208 0.174 +/-0.048 0.0216 +/-0.048 0.0465 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 TMBI 12/05/06 1233 593151 The following Analytical Methods were performed Method Description I EML HASL 300,4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 59

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-029F Project: YANK01204 Sample ID: 177084013 Client ID: YANKOO Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1A

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

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

60

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-036F Project: YANK01204 Sample ID: 177084014 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 29-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 14%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1A Rad Alpha Spec Analysis Alphaspec Am241, Cm, Solid ALL FSS Americium-241 U 0.0351 +/-0.202 0.152 +/-0.202 0.465 pCi/g DXH2 12/08/06 1309 593610 Curium-242 U 0.00 +/-0.122 0.00 +/-0.122 0.168 pCi/g Curium-243/244 U 0.115 +/-0.309 0.221 +/-0.310 0.604 pCi/g Alphaspec Pu, Solid-ALL FSS Plutonium-238 U --0.0285 +/-0.0645 0.0533 +/-0.0645 0.187 pCi/g DXH2 12/08/06 1309 593611 Plutonium-239/240 U 0.0261 +/-0.127 0.096 +/-0.127 0.273 pCi/g Liquid Scint Pu241, Solid-ALL FSS Plutonium-241 U -4.41 +/-7.46 6.45 +/-7.46 13.5 pCi/g DXH2 12/12/06 1112 593612 Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.667 +/-0.147 0.0525 +/-0.147 0.113 pCi/g MJHI 12/07/06 1218 593222 Americium-241 U -0.0162 +/-0.0481 0.0421 +/-0.0481 0.087 pCi/g Bismuth-212 0.491 +/-0.225 0.138 +/-0.225 0.291 pCi/g Bismuth-214 0.485 +/-0.0916 0.0283 +/-0.0916 0.0601 pCi/g Cesium-134 UI 0.00 +/-0.0339 0.0198 +/-0.0339 0.042 pCi/g Cesium-137 U 0.0152 +/-0.0355 0.0144 +/-0.0355 0.0308 pCi/g Cobalt-60 U 0.00333 +/-0.0179 0.0151 +/-0.0179 0.0334 pCi/g Europium-152 U -0.00984 +/-0.0466 0.0401 +/-0.0466 0.0842 pCi/g Europium-154 U -0.0365 +/-0.0531 0.040 +/-0.0531 0.0885 pCi/g Europium-155 U -0.00277 +/-0.0423 0.0402 +/-0.0423 0.0832 pCi/g Lead-212 0.622 +/-0.0693 0.0221 +/-0.0693 0.0461 pCi/g Lead-214 0.503 +/-0.081 0.0296 +/-0.081 0.0621 pCi/g Manganese-54 U 0.0122 +/-0.0223 0.0157 +/-0.0223 0.0336 pCi/g Niobium-94 U 0.00309 +/-0.0152 0.0136 +/-0.0152 0.029 pCi/g Potassium-40 11.8 +/-1.06 0.120 +/-1.06 0.272 pCi/g Radium-226 0.485 +/-0.0916 0.0283 +/-0.0916 0.0601 pCi/g Silver-108m U 0.00203 +/-0.0156 0.0135 +/-0.0156 0.0284 pCi/g Thallium-208 0.192 +/-0.047 0.0144 +/-0.047 0.0307 pCi/g Rad Gas Flow Proportional Counting GFPC,Sr90, solid - 0.025 pCi/g Strontium-90 U -0.00714 +/-0.00892 0.00834 +/-0.00892 0.0188 pCi/g KSD1 12/08/06 1700 593221 Rad Liquid Scintillation Analysis LSC, Tritium Dist, Solid - 3 pCi/g Tritium U 0.731 +/-0.950 0.773 +/-0.950 1.60 pCi/g DFAI 12/07/06 1451 593291 61

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-036F Project: YANK01204 Sample ID: 177084014 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1r Rad Liquid Scintillation Analysis Liquid Scint C14, Solid All, FSS Carbon-14 U -0.0214 +/-0.0914 0.0771 +/-0.0914 0.157 pCi/g AXD2 12/06/06 1701 593288 Liquid Scint Fe55, Solid-ALL FSS Iron-55 U -17 +/-39.0 30.8 +/-39.0 64.4 pCi/g MXP1 12/11/06 1340 593478 Liquid Scint Ni63, Solid-ALL FSS Nickel-63 U -4.09 +/-11.1 9.54 +/-11.1 20.0 pCi/g MXP1 12/08/06 2221 593479 Liquid Scint Tc99, Solid-ALL FSS Technetium-99 U 0.132 +/-0.182 0.149 +/-0.182 0.308 pCi/g KXRI 12/11/06 0744 593284 The following Prep Methods were performed Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 TMB1 12/05/06 1233 593151 The following Analytical Methods were performed Method Description I DOE EML HASL-300, Am-05-RC Modified 2 DOE EML HASL-300, Pu- 1-RC Modified 3 DOE EML HASL-300, Pu- 11-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-1, Modified 9 DOE RESL Ni-1, Modified 10 DOE EML HASL-300, Tc-02-RC Modified Surrogate/Tracer recovery Test Recovery% Acceptable Limits Americium-243 Alphaspec Am241, Cm, Solid ALL 60 (15%-125%)

Plutonium-242 Alphaspec Pu, Solid-ALL FSS 100 (15%-125%)

Plutonium-241 Liquid Scint Pu241, Solid-ALL Fý 89 (25%-125%)

Strontium-90 GFPC, Sr90, solid - 0.025 pCi/g 89 (25%-125%)

Carrier/Tracer Recovery GFPC, Sr90, solid - 0.025 pCi/g 89 (25%-125%)

Iron-55 Liquid Scint Fe55, Solid-ALL FS 82 (15%-125%)

Nickel-63 Liquid Scint Ni63, Solid-ALL FS 68 (25%-125%)

62

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-036F Proiect: YANK01204 Sample ID: 177084014 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1%

Carrier/Tracer Recovery Liquid Scint Ni63, Solid-ALL FS 68 (25%-125%)

Technetium-99 Liquid Scint Tc99, Solid-ALL FS 70 (15%- 125%)

Carrier/Tracer Recovery Liquid Scint Tc99, Solid-ALL FS 70 (15%-125%)

Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported

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

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

63

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-038F Proiect: YANKO 1204 Sample ID: 177084015 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 29-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 9.7%

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

Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.821 +/-0.163 0.0608 +/-0.163 0.133 pCi/g MJHI 12/07/06 1603 593222 Americium-241 UI 0.00 +/-0.107 0.0795 +/-0.107 0.166 pCi/g Bismuth-212 0.677 +/-0.268 0.135 +/-0.268 0.291 pCi/g Bismuth-214 0.608 +/-0.0913 0.0345 +/-0.0913 0.0736 pCi/g Cesium-134 UI 0.00 +/-0.047 0.0256 +/-0.047 0.0544 pCi/g Cesium-137 U -0.00312 +/-0.0222 0.0187 +/-0.0222 0.0402 pCi/g Cobalt-60 U -0.0125 +/-0.0274 0.0181 +/-0.0274 0.0406 pCi/g Europium-152 U 0.0152 +/-0.0568 0.0487 +/-0.0568 0.103 pCi/g Europium-154 U 0.0408 +/-0.0628 0.0615 +/-0.0628 0.135 pCi/g Europium-155 U 0.0296 +/-0.0594 0.0556 +/-0.0594 0.115 pCi/g Lead-212 0.742 +/-0.0639 0.0278 +/-0.0639 0.058 pCi/g Lead-214 0.747 +/-0.0992 0.0328 +/-0.0992 0.0694 pCi/g Manganese-54 U -0.00245 +/-0.0234 0.0193 +/-0.0234 0.0416 pCi/g Niobium-94 U 0.00252 +/-0.0189 0.0162 +/-0.0189 0.0349 pCi/g Potassium-40 11.9 +/-0.922 0.130 +/-0.922 0.304 pCi/g Radium-226 0.608 +/-0.0913 0.0345 +/-0.0913 0.0736 pCi/g Silver-108m U -0.015 +/-0.0174 0.0144 +/-0.0174 0.0308 pCi/g Thallium-208 0.249 +/-0.0391 0.0174 +/-0.0391 0.0373 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 TMBI 12/05/06 1233 593151 The following Analytical Methods were performed Method Description I EML HASL 300,4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 64

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-038F Project: YANK01204 Sample ID: 177084015 Client ID: YANK00I Vol. Recv.:

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

> Result is greater than value reported A The TIC is a suspected aldol-condensation product B Target analyte was detected in the associated blank

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

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

65

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Certificate ofAnaksis Company : Connecticut Yankee Atomic Power Address 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-022F Project: YANK01204 Sample ID: 177084016 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 29-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 10.6%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch A Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.587 +/-0.165 0.0754 +/-0.165 0.161 pCi/g MJHI 12/07/06 1603 593222 Americium-241 U 0.00872 +/-0.036 0.0301 +/-0.036 0.0619 pCi/g Bismuth-212 U 0.274 +/-0.289 0.176 +/-0.289 0.372 pCi/g Bismuth-214 0.666 +/-0.107 0.039 +/-0.107 0.0825 pCi/g Cesium-134 U 0.0305 +/-0.0226 0.0262 +/-0.0226 0.0555 pCi/g Cesium-137 0.0743 +/-0.0335 0.0218 +/-0.0335 0.0462 pCi/g Cobalt-60 U -0.0148 +/-0.0296 0.0236 +/-0.0296 0.0512 pCi/g Europium-152 U 0.0337 +/-0.064 0.0564 +/-0.064 0.118 pCi/g Europium-154 U 0.0216 +/-0.0813 0.0704 +/-0.0813 0.152 pCi/g Europium-155 U 0.0732 +/-0.0776 0.048 +/-0.0776 0.0992 pCi/g Lead-212 0.575 +/-0.0708 0.0414 +/-0.0708 0.085 pCi/g Lead-214 0.746 +/-0.0978 0.0425 +/-0.0978 0.0885 pCi/g Manganese-54 U -0.013 +/-0.0283 0.0228 +/-0.0283 0.0485 pCi/g Niobium-94 U -0.00364 +/-0.0255 0.0216 +/-0.0255 0.0455 pCi/g Potassium-40 10.4 +/-0.952 0.208 +/-0.952 0.457 pCi/g Radium-226 0.666 +/-0.107 0.039 +/-0.107 0.0825 pCi/g Silver-108m U 0.00485 +/-0.0213 0.0193 +/-0.0213 0.0406 pCi/g Thallium-208 0.230 +/-0.0502 0.0227 +/-0.0502 0.0478 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 TMBI 12/05/06 1233 593151 The following Analytical Methods were performed Method Description I EML HASL 300,4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 66

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-022F Project: YANK01204 Sample ID: 177084016 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1A

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

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

67

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company : Connecticut Yankee Atomic Power Address 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-01 OF Project: YANK01204 Sample ID: 177084017 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 29-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 14.3%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1%

Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.803 +/-0.132 0.053 +/-0.132 0.112 pCi/g MJH1 12/07/06 1603 593222 Americium-241 U 0.028 +/-0.0654 0.055 +/-0.0654 0.113 pCi/g Bismuth-212 0.444 +/-0.271 0.106 +/-0.271 0.224 pCi/g Bismuth-214 0.517 +/-0.0674 0.0296 +/-0.0674 0.0619 pCi/g Cesium-134 U 0.0174 +/-0.0223 0.0178 +/-0.0223 0.0375 pCi/g Cesium-137 0.0355 +/-0.0257 0.0139 +/-0.0257 0.0293 pCi/g Cobalt-60 U 0.012 +/-0.0162 0.0148 +/-0.0162 0.0318 pCi/g Europium-152 U 0.0485 +/-0.0548 0.0387 +/-0.0548 0.0807 pCi/g Europium-154 U 0.0353 +/-0.0571 0.0451 +/-0.0571 0.0965 pCi/g Europium-155 U -0.01 +/-0.0511 0.0447 +/-0.0511 0.0921 pCi/g Lead-212 0.697 +/-0.0516 0.0223 +/-0.0516 0.0462 pCi/g Lead-214 0.630 +/-0.0784 0.0252 +/-0.0784 0.0528 pCi/g Manganese-54 U 0.0132 +/-0.0164 0.0149 +/-0.0164 0.0314 pCi/g Niobium-94 U 0.000614 +/-0.0169 0.0143 +/-0.0169 0.030 pCi/g Potassium-40 12.5 +/-0.718 0.132 +/-0.718 0.286 pCi/g Radium-226 0.517 +/-0.0674 0.0296 +/-0.0674 0.0619 pCi/g Silver-108m U-0.000501 +/-0.0146 0.0129 +/-0.0146 0.027 pCi/g Thallium-208 0.221 +/-0.0357 0.0143 +/-0.0357 0.030 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 TMBI 12/05/06 1233 593151 The following Analytical Methods were performed Method Description 1 EML HASL 300, 4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 68

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-01OF Project: YANK01204 Sample ID: 177084017 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1

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

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

69

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis

. . . . ... ... k l -

Company : Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-009F Project: YANKO 1204 Sample ID: 177084018 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 29-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 8.05%

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

Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.623 +/-0.130 0.0453 +/-0.130 0.0905 pCi/g MJHI 12/07/06 1607 593222 Americium-241 U -0.0686 +/-0.119 0.0948 +/-0.119 0.190 pCi/g Bismuth-212 0.436 +/-0.226 0.109 +/-0.226 0.218 pCi/g Bismuth-214 0.494 +/-0.0776 0.0286 +/-0.0776 0.0571 pCi/g Cesium-134 U 0.0342 +/-0.0319 0.0183 +/-0.0319 0.0365 pCi/g Cesium-137 U 0.0179 +/-0.0307 0.0134 +/-0.0307 0.0267 pCi/g Cobalt-60 U -0.0033 +/-0.0189 0.013 +/-0.0189 0.026 pCi/g Europium-152 U -0.0658 +/-0.0524 0.0384 +/-0.0524 0.0768 pCi/g Europium-154 U -0.0284 +/-0.0529 0.0422 +/-0.0529 0.0844 pCi/g Europium-155 U 0.0202 +/-0.066 0.0532 +/-0.066 0.106 pCi/g Lead-212 0.561 +/-0.0641 0.0251 +/-0.0641 0.0501 pCi/g Lead-214 0.644 +/-0.086 0.0279 +/-0.086 0.0557 pCi/g Manganese-54 U -0.0162 +/-0.0181 0.014 +/-0.0181 0.0281 pCi/g Niobium-94 U 0.00579 +/-0.0159 0.0135 +/-0.0159 0.027 pCi/g Potassium-40 9.18 +/-0.856 0.126 +/-0.856 0.253 pCi/g Radium-226 0.494 +/-0.0776 0.0286 +/-0.0776 0.0571 pCi/g Silver-108m U 0.00321 +/-0.0157 0.0133 +/-0.0157 0.0267 pCi/g Thallium-208 0.193 +/-0.0365 0.0144 +/-0.0365 0.0288 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 TMBI 12/05/06 1233 593151 The following Analytical Methods were performed Method Description I EML HASL 300, 4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 70

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-009F Project: YANK01204 Sample ID: 177084018 Client ID: YANK00I Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1%

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

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

71

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-014F Project: YANK01204 Sample ID: 177084019 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 29-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 5.9%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1A Rad Gamma Spec Analysis Gamma,Solid-FSSGAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.633 +/-0.242 0.0775 +/-0.242 0.155 pCi/g MJHI 12/07/06 1607 593222 Americium-241 U 0.000307 +/-0.0413 0.0305 +/-0.0413 0.0609 pCi/g Bismuth-212 0.588 +/-0.309 0.174 +/-0.309 0.348 pCi/g Bismuth-214 0.481 +/-0.112 0.0381 +/-0.112 0.0761 pCi/g Cesium-134 U 0.0545 +/-0.0341 0.0304 +/-0.0341 0.0607 pCi/g Cesium-137 U 0.00761 +/-0.0291 0.026 +/-0.0291 0.0521 pCi/g Cobalt-60 U 0.0118 +/-0.0276 0.0245 +/-0.0276 0.0489 pCi/g Europium-152 U 0.0399 +/-0.0928 0.0509 +/-0.0928 0.102 pCi/g Europium-154 U 0.0941 +/-0.0917 0.0765 +/-0.0917 0.153 pCi/g Europium-155 U 0.0112 +/-0.0533 0.0474 +/-0.0533 0.0948 pCi/g Lead-212 0.587 +/-0.0774 0.0289 +/-0.0774 0.0579 pCi/g Lead-214 0.518 +/-0.101 0.0392 +/-0.101 0.0784 pCi/g Manganese-54 U 0.00919 +/-0.028 0.0249 +/-0.028 0.0498 pCi/g Niobium-94 U 0.00128 +/-0.024 0.0211 +/-0.024 0.0421 pCi/g Potassium-40 9.69 +/-1.03 0.180 +/-1.03 0.360 pCi/g Radium-226 0.481 +/-0.112 0.0381 +/-0.112 0.0761 pCi/g Silver-108m U -0.00998 +/-0.0207 0.0172 +/-0.0207 0.0344 pCi/g Thallium-208 0.207 +/-0.0667 0.0204 +/-0.0667 0.0408 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 TMB1 12/05/06 1233 593151 The following Analytical Methods were performed Method Description I EML HASL 300, 4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 72

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-014F Proiect: YANKO1204 SamplelD: 177084019 ClientiD: YANK001 Vol. Recv.:

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

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

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

73

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-025F Proiect: YANKO 1204 Sample ID: 177084020 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 29-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 18.5%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1%

Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.785 +/-0.115 0.0407 +/-0.115 0.0859 pCi/g MJHI 12/07/06 1918 593222 Americium-241 U -0.0432 +/-0.0677 0.0554 +/-0.0677 0.114 pCi/g Bismuth-212 0.429 +/-0.205 0.0893 +/-0.205 0.187 pCi/g Bismuth-214 0.564 +/-0.0642 0.0218 +/-0.0642 0.0454 pCi/g Cesium-134 UI 0.00 +/-0.0211 0.0146 +/-0.0211 0.0306 pCi/g Cesium-137 0.045 +/-0.0238 0.0126 +/-0.0238 0.0264 pCi/g Cobalt-60 U 0.00685 +/-0.0153 0.0133 +/-0.0153 0.0284 pCi/g Europium-152 U -0.00174 +/-0.0376 0.0311 +/-0.0376 0.0643 pCi/g Europium-154 U -0.0141 +/-0.0464 0.038 +/-0.0464 0.0809 pCi/g Europium-155 U 0.0466 +/-0.0594 0.0327 +/-0.0594 0.0669 pCi/g Lead-212 0.712 +/-0.0437 0.0172 +/-0.0437 0.0354 pCi/g Lead-214 0.650 +/-0.060 0.0202 +/-0.060 0.0419 pCi/g Manganese-54 U 0.00854 +/-0.0209 0.00962 +/-0.0209 0.0204 pCi/g Niobium-94 U -0.00521 +/-0.013 0.0107 +/-0.013 0.0224 pCi/g Potassium-40 12.1 +/-0.635 0.106 +/-0.635 0.231 pCi/g Radium-226 0.564 +/-0.0642 0.0218 +/-0.0642 0.0454 pCi/g Silver-108m U -0.00918 +/-0.0118 0.00993 +/-0.0118 0.0207 pCi/g Thallium-208 0.231 +/-0.033 0.0107 +/-0.033 0.0225 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 TMB1 12/05/06 1233 593151 The following Analytical Methods were performed Method Description I EML HASL 300,4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 74

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-025F Project: YANK01204 Sample ID: 177084020 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1%

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

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

75

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-032F Project: YANK01204 Sample ID: 177084021 Client ID: YANKOO Matrix: TS Vol. Recv.:

Collect Date: 29-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 5.06%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch IN Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.996 +/-0.185 0.0593 +/-0.185 0.127 pCi/g MJHI 12/08/06 0720 593223 Americium-241 U 0.0473 +/-0.101 0.0831 +/-0.101 0.171 pCi/g Bismuth-212 0.778 +/-0.308 0.128 +/-0.308 0.272 pCi/g Bismuth-214 0.795 +/-0.0877 0.0296 +/-0.0877 0.0627 pCi/g Cesium-134 UI 0.00 +/-0.0382 0.0222 +/-0.0382 0.0467 pCi/g Cesium-137 U 0.0078 +/-0.021 0.0184 +/-0.021 0.0387 pCi/g Cobalt-60 U 0.0124 +/-0.0196 0.0177 +/-0.0196 0.0385 pCi/g Europium-152 U-0.000668 +/-0.0513 0.0434 +/-0.0513 0.0907 pCi/g Europium-154 U -0.0643 +/-0.0649 0.0497 +/-0.0649 0.108 pCi/g Europium-155 U 0.0891 +/-0.0894 0.0489 +/-0.0894 0.101 pCi/g Lead-212 1.11 +/-0.0629 0.0247 +/-0.0629 0.0512 pCi/g Lead-214 0.917 +/-0.0867 0.0329 +/-0.0867 0.0685 pCi/g Manganese-54 U 0.00631 +/-0.0194 0.0166 +/-0.0194 0.0354 pCi/g Niobium-94 U 0.0223 +/-0.018 0.0166 +/-0.018 0.035 pCi/g Potassium-40 15.3 +/-0.896 0.140 +/-0.896 0.311 pCi/g Radium-226 0.795 +/-0.0877 0.0296 +/-0.0877 0.0627 pCi/g Silver-108m U 0.0156 +/-0.0209 0.0136 +/-0.0209 0.0287 pCi/g Thallium-208 0.378 +/-0.0442 0.0156 +/-0.0442 0.033 pCi/g The following Prep Methods were performed Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 MXP2 12/05/06 1535 593152 The following Analytical Methods were performed Method Description I EML HASL 300, 4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 76

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-032F Project: YANKO 1204 Sample ID: 177084021 Client ID: YANKOOI Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1%

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

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

77

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis .... ak si ofl Company: Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-028F Proiect: YANK01204 Sample ID: 177084022 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 29-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 7.72%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch As Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.618 +/-0.174 0.0664 +/-0.174 0.133 pCi/g MJH1 12/08/06 0725 593223 Americium-241 U 0.106 +/-0.111 0.0975 +/-0.111 0.195 pCi/g Bismuth-212 0.504 +/-0.237 0.152 +/-0.237 0.303 pCi/g Bismuth-214 0.456 +/-0.109 0.0338 +/-0.109 0.0675 pCi/g Cesium-134 U 0.0249 +/-0.0189 0.0255 +/-0.0189 0.051 pCi/g Cesium-137 U 0.0178 +/-0.025 0.0204 +/-0.025 0.0408 pCi/g Cobalt-60 U 0.0155 +/-0.026 0.0212 +/-0.026 0.0424 pCi/g Europium-152 U -0.0433 +/-0.100 0.0489 +/-0.100 0.0977 pCi/g Europium-154 U -0.0379 +/-0.0918 0.0617 +/-0.0918 0.123 pCi/g Europium-155 U 0.0262 +/-0.0707 0.0672 +/-0.0707 0.134 pCi/g Lead-212 0.644 +/-0.0851 0.0319 +/-0.0851 0.0637 pCi/g Lead-214 0.584 +/-0.0936 0.0344 +/-0.0936 0.0687 pCi/g Manganese-54 U -0.00598 +/-0.0408 0.0186 +/-0.0408 0.0373 pCi/g Niobium-94 U 0.00252 +/-0.0199 0.0173 +/-0.0199 0.0345 pCi/g Potassium-40 12.0 +/-1.20 0.170 +/-1.20 0.340 pCi/g Radium-226 0.456 +/-0.109 0.0338 +/-0.109 0.0675 pCi/g Silver-108m U -0.0102 +/-0.0211 0.0182 +/-0.0211 0.0364 pCi/g Thallium-208 0.178 +/-0.0476 0.0185 +/-0.0476 0.037 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 MXP2 12/05/06 1535 593152 The following Analytical Methods were performed Method Description I EML HASL 300,4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 78

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-028F Project: YANK01204 Sample ID: 177084022 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1l

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

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

79

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-015F Project: YANK01204 Sample ID: 177084023 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 29-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 5.53%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1%

Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.429 +/-0.134 0.0734 +/-0.134 0.160 pCi/g MJHI 12/08/06 0720 593223 Americium-241 U 0.0434 +/-0.0969 0.082 +/-0.0969 0.172 pCi/g Bismuth-212 0.480 +/-0.203 0.157 +/-0.203 0.340 pCi/g Bismuth-214 0.480 +/-0.102 0.0324 +/-0.102 0.0706 pCi/g Cesium-134 U 0.0315 +/-0.028 0.0237 +/-0.028 0.0513 pCi/g Cesium-137 U 0.012 +/-0.0227 0.0206 +/-0.0227 0.0445 pCi/g Cobalt-60 U 0.004 +/-0.022 0.019 +/-0.022 0.0432 pCi/g Europium-152 U -0.0374 +/-0.0493 0.0425 +/-0.0493 0.0913 pCi/g Europium-154 U -0.00153 +/-0.0689 0.0579 +/-0.0689 0.130 pCi/g Europium-155 U 0.0385 +/-0.0609 0.0593 +/-0.0609 0.124 pCi/g Lead-212 0.501 +/-0.0762 0.0278 +/-0.0762 0.0584 pCi/g Lead-214 0.569 +/-0.107 0.0361 +/-0.107 0.0767 pCi/g Manganese-54 U 0.00622 +/-0.0237 0.019 +/-0.0237 0.0416 pCi/g Niobium-94 U 0.00761 +/-0.0201 0.0178 +/-0.0201 0.0386 pCi/g Potassium-40 10.3 +/-1.15 0.143 +/-1.15 0.337 pCi/g Radium-226 0.480 +/-0.102 0.0324 +/-0.102 0.0706 pCi/g Silver-108m U 0.0125 +/-0.018 0.0171 +/-0.018 0.0366 pCi/g Thallium-208 0.166 +/-0.0438 0.0178 +/-0.0438 0.0387 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 MXP2 12/05/06 1535 593152 The following Analytical Methods were performed Method Description I EML HASL 300, 4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 80

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-015F Project: YANK01204 Sample ID: 177084023 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1I

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

UIl 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.

81

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis ofA ..... ------

Certificate Company : Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-023F Project: YANKO 1204 Sample ID: 177084024 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 29-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 6.43%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1%

Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.818 +/-0.221 0.0593 +/-0.221 0.133 pCi/g MJHI 12/08/06 0721 593223 Americium-241 U -0.074 +/-0.146 0.0921 +/-0.146 0.192 pCi/g Bismuth-212 0.413 +/-0.313 0.140 +/-0.313 0.307 pCi/g Bismuth-214 0.663 +/-0.109 0.0347 +/-0.109 0.0756 pCi/g Cesium-134 U 0.0381 +/-0.0317 0.027 +/-0.0317 0.0583 pCi/g Cesium-137 0.0467 +/-0.0407 0.0184 +/-0.0407 0.0403 pCi/g Cobalt-60 U 0.017 +/-0.0235 0.0219 +/-0.0235 0.0495 pCi/g Europium-152 U 0.041 +/-0.0605 0.0526 +/-0.0605 0.112 pCi/g Europium-154 U 0.0147 +/-0.0808 0.0695 +/-0.0808 0.154 pCi/g Europium-155 U 0.0299 +/-0.0693 0.0635 +/-0.0693 0.132 pCi/g Lead-212 0.757 +/-0.0928 0.0308 +/-0.0928 0.0648 pCi/g Lead-214 0.639 +/-0.130 0.0395 +/-0.130 0.084 pCi/g Manganese-54 U -0.0187 +/-0.0241 0.0193 +/-0.0241 0.0424 pCi/g Niobium-94 U 0.0115 +/-0.0229 0.0202 +/-0.0229 0.0436 pCi/g Potassium-40 11.2 +/-1.30 0.150 +/-1.30 0.356 pCi/g Radium-226 0.663 +/-0.109 0.0347 +/-0.109 0.0756 pCi/g Silver-108m U 0.0207 +/-0.0217 0.0204 +/-0.0217 0.0434 pCi/g Thallium-208 0.275 +/-0.0606 0.0194 +/-0.0606 0.042 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 MXP2 12/05/06 1535 593152 The following Analytical Methods were performed Method Description I EML HASL 300, 4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 82

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-023F Project: YANK01204 Sample ID: 177084024 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1l

> 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 I4 Analytical holding time was exceeded J Value is estimated N/A Spike recovery limits do not apply. Sample concentration exceeds spike concentration by 4X or more R Sample results are rejected U Analyte was analyzed for, but not detected above the MDL, MDA, or LOD.

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

83

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-017F Project: YANK01204 Sample ID: 177084025 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 29-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 6.36%

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

Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.831 +/-0.159 0.0676 +/-0.159 0.145 pCi/g MJHI 12/08/06 0725 593223 Americium-241 U -0.179 +/-0.111 0.0845 +/-0.111 0.174 pCi/g Bismuth-212 U 0.283 +/-0.196 0.142 +/-0.196 0.304 pCi/g Bismuth-214 0.550 +/-0.0837 0.0364 +/-0.0837 0.0769 pCi/g Cesium-134 U 0.043 +/-0.0321 0.022 +/-0.0321 0.0468 pCi/g Cesium-137 U 0.0382 +1-0.0511 0.0194 +/-0.0511 0.0413 pCi/g Cobalt-60 U -0.0183 +/-0.0204 0.0145 +/-0.0204 0.0328 pCi/g Europium-152 U -0.0294 +/-0.0572 0.0473 +/-0.0572 0.0993 pCi/g Europium-154 U 0.0547 +/-0.0645 0.0588 +/-0.0645 0.128 pCi/g Europium-155 U 0.0531 +/-0.062 0.0579 +/-0.062 0.119 pCi/g Lead-212 0.795 +/-0.0607 0.0281 +/-0.0607 0.0585 pCi/g Lead-214 0.689 +/-0,0883 0.0329 +/-0.0883 0.0693 pCi/g Manganese-54 U -0.00975 +/-0.0261 0.0185 +/-0.0261 0.0396 pCi/g Niobium-94 U 0.00611 +/-0.019 0.0168 +/-0.019 0.0358 pCi/g Potassium-40 10.5 +/-0.850 0.158 +/-0.850 0.355 pCi/g Radium-226 0.550 +/-0.0837 0.0364 +/-0.0837 0.0769 pCi/g Silver-108m U 0.00174 +/-0.0202 0.0171 +/-0.0202 0.0361 pCi/g Thallium-208 0.233 +/-0.0495 0.0177 +/-0.0495 0.0377 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 MXP2 12/05/06 1535 593152 The following Analytical Methods were performed Method Description EML HASL 300,4.5.2.3 Notes:

The Qualifiers in this report are defined as follows

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 84

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-017F Project: YANK01204 Sample ID: 177084025 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1%

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

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

85

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-028FS Project: YANKO01204 Sample ID: 177084026 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 29-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 7.78%

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

Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.728 +/-0.242 0.115 +/-0.242 0.248 pCi/g MJHI 12/08/06 0726 593223 Americium-241 U 0.0152 +/-0.0462 0.0407 +/-0.0462 0.0844 pCi/g Bismuth-212 U 0.495 +/-0.360 0.233 +/-0.360 0.501 pCi/g Bismuth-214 0.806 +/-0.145 0.0502 +/-0.145 0.108 pCi/g Cesium-134 U -0.00972 +/-0.0421 0.0342 +/-0.0421 0.0737 pCi/g Cesium-137 U 0.0535 +/-0.0376 0.0356 +/-0.0376 0.0757 pCi/g Cobalt-60 U 0.00821 +/-0.0352 0.0303 +/-0.0352 0.0675 pCi/g Europium-152 U 0.0368 +/-0.0851 0.0738 +/-0.0851 0.156 pCi/g Europium-154 U 0.0265 +/-0.103 0.0889 +/-0.103 0.197 pCi/g Europium-155 U 0.0718 +/-0.076 0.0668 +/-0.076 0.139 pCi/g Lead-212 0.674 +/-0.0978 0.0522 +/-0.0978 0.108 pCi/g Lead-214 0.620 +/-0.145 0.0536 +/-0.145 0.113 pCi/g Manganese-54 U -0.0338 +/-0.0408 0.0311 +/-0.0408 0.067 pCi/g Niobium-94 U 0.000183 +/-0.0351 0.0296 +/-0.0351 0.0632 pCi/g Potassium-40 12.7 +/-1.26 0.276 +/-1.26 0.620 pCi/g Radium-226 0.806 +/-0.145 0.0502 +/-0.145 0.108 pCi/g Silver-108m U-0.000186 +/-0.0291 0.0257 +/-0.0291 0.0546 pCi/g Thallium-208 0.272 +/-0.0649 0.0289 +/-0.0649 0.0619 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 MXP2 12/05/06 1535 593152 The following Analytical Methods were performed Method Description I EML HASL 300,4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 86

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-028FS Project: YANKO 1204 Sample ID: 177084026 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1%

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

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

87

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-011F Project: YANK01204 Sample ID: 177084027 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 29-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 13.7%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1%

Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.814 +/-0.129 0.0451 +/-0.129 0.0986 pCi/g MJH1 12/08/06 0923 593223 Americium-241 U 0.0216 +/-0.0933 0.0809 +/-0.0933 0.167 pCi/g Bismuth-212 0.703 +/-0.263 0.109 +/-0.263 0.234 pCi/g Bismuth-214 0.736 +/-0.0839 0.0295 +/-0.0839 0.0625 pCi/g Cesium-134 UI 0.00 +/-0.0288 0.0204 +/-0.0288 0.0431 pCi/g Cesium-137 U 0.0306 +/-0.0187 0.0164 +/-0.0187 0.0348 pCi/g Cobalt-60 U -0.0096 +/-0.0186 0.0149 +/-0.0186 0.0329 pCi/g Europium-152 U -0.0372 +/-0.0443 0.0368 +/-0.0443 0.0775 pCi/g Europium-154 U 0.00889 +/-0.0558 0.0489 +/-0.0558 0.107 pCi/g Europium-155 U 0.041 +/-0.0486 0.0492 +/-0.0486 0.102 pCi/g Lead-212 0.781 +/-0.0573 0.0254 +/-0.0573 0.0527 pCi/g Lead-214 0.921 +/-0.0817 0.0299 +/-0.0817 0.0627 pCi/g Manganese-54 U 0.00824 +/-0.0173 0.0155 +/-0.0173 0.0332 pCi/g Niobium-94 U 0.00586 +/-0.0158 0.0142 +/-0.0158 0.0303 pCi/g Potassium-40 10.8 +/-0.777 0.140 +/-0.777 0.313 pCi/g Radium-226 0.736 +/-0.0839 0.0295 +/-0.0839 0.0625 pCi/g Silver-108m U -0.00641 +/-0.0142 0.0127 +/-0.0142 0.0269 pCi/g Thallium-208 0.232 +/-0.0398 0.0143 +/-0.0398 0.0305 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 MXP2 12/05/06 1535 593152 The following Analytical Methods were performed Method Description I EML HASL 300,4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 88

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-011F Project: YANKOI 204 Sample ID: 177084027 Client ID: YANK001 Vol. Recv.:

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

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

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

89

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-027F Proiect: YANK01204 Sample ID: 177084028 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 29-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 7.82%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1A Rad Alpha Spec Analysis Alphaspec Am241, Cm, Solid ALL FSS Americium-241 U 0.123 +/-0.214 0.125 +/-0.214 0.385 pCi/g DXH2 12/08/06 1309 593610 Curium-242 U -0.0247 +/-0.0342 0.0653 +/-0.0344 0.270 pCi/g Curium-243/244 U 0.0791 +/-0.207 0.140 +/-0.207 0.414 pCi/g Alphaspec Pu, Solid-ALL FSS DXH2 12/08/06 1309 593611 Plutonium-238 U 0.0371 +/-0.141 0.103 +/-0.141 0.296 pCi/g Plutonium-239/240 U 0.0199 +/-0.123 0.0939 +/-0.123 0.278 pCi/g Liquid Scint Pu241, Solid-ALL FSS DXH2 12/12/06 1056 593612 Plutonium-241 U -4.16 +/-7.39 6.38 +/-7.39 13.4 pCi/g Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.820 +/-0.210 0.0764 +/-0.210 0.153 pCi/g MJHI 12/08/06 0926 593223 Americium-241 U 0.0414 +/-0.111 0.0919 +/-0.111 0.184 pCi/g Bismuth-212 0.415 +/-0.367 0.169 +/-0.367 0.338 pCi/g Bismuth-214 0.440 +/-0.111 0.0376 +/-0.111 0.0751 pCi/g Cesium-134 U 0.0304 /-0.0463 0.0287 +/-0.0463 0.0574 pCi/g Cesium-137 0.0583 /-0.0377 0.0213 +/-0.0377 0.0425 pCi/g Cobalt-60 U 0.0147 ./-0.0252 0.0229 +/-0.0252 0.0459 pCi/g Europium-152 U 0.0031 /-0.0732 0.0571 +/-0.0732 0.114 pCi/g Europium-154 U -0.0288 4/-0.0872 0.0703 +/-0.0872 0.141 pCi/g Europium-155 U 0.0903 4-0.0943 0.0654 +/-0.0943 0.131 pCi/g Lead-212 0.715 4-0.0939 0.0328 +/-0.0939 0.0655 pCi/g Lead-214 0.632 +/-0.108 0.0366 +/-0.108 0.0732 pCi/g Manganese-54 U -0.00162 4-0.0221 0.0192 +/-0.0221 0.0384 pCi/g Niobium-94 U -0.00175 4-0.0227 0.0185 +/-0.0227 0.0371 pCi/g Potassium-40 10.1 +/-1.21 0.200 +/-1.21 0.400 pCi/g Radium-226 0.440 +/-0.111 0.0376 +/-0.111 0.0751 pCi/g Silver-108m U -0.0138 4-0.0228 0.0191 +/-0.0228 0.0381 pCi/g Thallium-208 0.177 4-0.0517 0.0188 +/-0.0517 0.0376 pCi/g Rad Gas Flow Proportional Counting GFPC,Sr9O, solid - 0.025 pCilg Strontium-90 0.0513 4-0.0174 0.00757 +/-0.0174 0.0185 pCi/g KSDI 12/08/06 1700 593221 Rad Liquid Scintillation Analysis LSC, Tritium Dist, Solid - 3 pCi/g Tritium U 0.515 +/-0.892 0.732 +/-0.892 1.52 pCi/g DFA1 12/07/06 1624 593291 90

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-027F Project: YANK01204 Sample ID: 177084028 Client ID: YANKOO0 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1%

Rad Liquid Scintillation Analysis Liquid Scint C14, Solid AllFSS Carbon-14 U -0.007 +/-0.0956 0.0803 +/-0.0956 0.164 pCi/g AXD2 12/06/06 1803 593288 Liquid Scint Fe55, Solid-ALL FSS Iron-55 U -26.5 +/-28.9 23.5 +/-28.9 49.5 pCi/g MXP1 12/11/06 1357 593478 Liquid Scint Ni63, Solid-ALL FSS Nickel-63 U 1.08 +/-9.75 8.14 +/-9.75 17.1 pCi/g MXP1 12/08/06 2238 593479 Liquid Scint Tc99, Solid-ALL FSS Technetium-99 U 0.234 +/-0.179 0.144 +/-0.179 0.296 pCi/g KXRI 12/11/06 0815 593284 The following Prep Methods were performed Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 MXP2 12/05/06 1535 593152 The following Analytical Methods were performed Method Description I DOE EML HASL-300, Am-05-RC Modified 2 DOE EML HASL-300, Pu- 11-RC Modified 3 DOE EML HASL-300, Pu-I 1-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 Ni-i, Modified 10 DOE EML HASL-300, Tc-02-RC Modified Surrogate/Tracer recovery Test Recovery% Acceptable Limits Americium-243 Alphaspec Am241, Cm, Solid ALL 67 (15%-125%)

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

Plutonium-241 Liquid Scint Pu241, Solid-ALL FS 93 (25%-125%)

Strontium-90 GFPC, Sr90, solid - 0.025 pCi/g 103 (25%-125%)

Carrier/Tracer Recovery GFPC, Sr90, solid - 0.025 pCi/g 103 (25%-125%)

Iron-55 Liquid Scint Fe55, Solid-ALL FS 65 (15%-125%)

Nickel-63 Liquid Scint Ni63, Solid-ALL FS 73 (25%-125%)

91

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company Connecticut Yankee Atomic Power Address 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-027F Project: YANKO 1204 Sample ID: 177084028 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch I Carrier/Tracer Recovery Liquid Scint Ni63, Solid-ALL FS 73 (25%-125%)

Technetium-99 Liquid Scint Tc99, Solid-ALL FS 73 (15%-125%)

Carrier/Tracer Recovery Liquid Scint Tc99, Solid-ALL FS 73 (15%-125%)

Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported

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

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

92

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-004F Project: YANKO1204 Sample ID: 177084029 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 30-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 5.2%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1%

Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.747 +/-0.127 0.0362 +/-0.127 0.0723 pCi/g MJHI 12/08/06 0732 593223 Americium-241 U 0.0628 +/-0.0899 0.0758 +/-0.0899 0.152 pCi/g Bismuth-212 0.476 +/-0.191 0.0761 +/-0.191 0.152 pCi/g Bismuth-214 0.542 +/-0.0779 0.0207 +/-0.0779 0.0415 pCi/g Cesium-134 UI 0.00 +/-0.0254 0.0141 +/-0.0254 0.0282 pCi/g Cesium-137 UI 0.00 +/-0.0188 0.0107 +/-0.0188 0.0214 pCi/g Cobalt-60 U -0.00972 +/-0.0154 0.0103 +/-0.0154 0.0205 pCi/g Europium-152 U -0.0272 +/-0.045 0.0293 +/-0.045 0.0586 pCi/g Europium-154 U 0.010 +/-0.045 0.0331 +/-0.045 0.0662 pCi/g Europium-155 U 0.0149 +/-0.0505 0.0409 +/-0.0505 0.0818 pCi/g Lead-212 0.644 +/-0.0632 0.0194 +/-0.0632 0.0388 pCi/g Lead-214 0.532 +/-0.0701 0.0202 +/-0.0701 0.0405 pCi/g Manganese-54 U 0.0113 +/-0.0174 0.0116 +/-0.0174 0.0231 pCi/g Niobium-94 U 0.000372 +/-0.012 0.0102 +/-0.012 0.0203 pCi/g Potassium-40 10.2 +/-0.777 0.0957 +/-0.777 0.191 pCi/g Radium-226 0.542 +/-0.0779 0.0207 +/-0.0779 0.0415 pCi/g Silver-108m U -0.0134 +/-0.0112 0.00931 +/-0.0112 0.0186 pCi/g Thallium-208 0.205 +/-0.0295 0.0106 +/-0.0295 0.0211 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 MXP2 12/05/06 1535 593152 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:

• g A quality control analyte recovery is outside of specified acceptance criteria Result is less than value reported 93

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-004F Project: YANK01204 Sample ID: 177084029 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1N

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

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

94

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company : Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-007F Project: YANK01204 Sample ID: 177084030 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 30-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 5.11%

Parameter (,*ualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1%

Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.498 +/-0.129 0.0503 +/-0.129 0.109 pCi/g MJHI 12/08/06 0727 593223 Americium-241 U -0.00884 +/-0.070 0.0598 +/-0.070 0.124 pCi/g Bismuth-212 0.557 +/-0.191 0.116 +/-0.191 0.247 pCi/g Bismuth-214 0.540 +/-0.0752 0.0311 +/-0.0752 0.0657 pCi/g Cesium-I 34 U 0.0184 +/-0.0241 0.0175 +/-0.0241 0.0373 pCi/g Cesium-137 U -0.0102 +/-0.0227 0.0161 +/-0.0227 0.0342 pCi/g Cobalt-60 U -0.00867 +/-0.0194 0.016 +/-0.0194 0.0349 pCi/g Europium- 152 u 0.0104 +/-0.0526 0.041 +/-0.0526 0.0862 pCi/g Europium- 154 U -0.00605 +/-0.054 0.0463 +/-0.054 0.101 pCi/g Europium-155 U 0.0198 +/-0.0538 0.0499 +/-0.0538 0.104 pCi/g Lead-212 0.560 +/-0.0514 0.0234 +/-0.0514 0.0488 pCi/g Lead-214 0.715 +/-0.0816 0.0288 +/-0.0816 0.0605 pCi/g Manganese-54 U 0.00131 +/-0.0169 0.0149 +/-0.0169 0.0319 pCi/g Niobium-94 U 0.00542 +/-0.0184 0.014 +/-0.0184 0.0298 pCi/g Potassium-40 9.17 +/-0.726 0.142 +/-0.726 0.313 pCi/g Radium-226 0.540 +/-0.0752 0.0311 +/-0.0752 0.0657 pCi/g Silver-108Im U2.940E-05 +/-0.0158 0.01 43 +/-0.0158 0.0302 pCi/g Thallium-208 0.181 +/-0.0383 0.0154 +/-0.0383 0.0326 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 MXP2 12/05/06 1535 593152 The following Analytical Methods were performed Method Description I EML HASL 300,4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 95

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company : Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-007F Project: YANK01204 Sample ID: 177084030 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1%

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

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

96

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-007FS Proiect: YANKO01204 Sample ID: 177084031 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 30-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 5.72%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1A Rad Gamma Spec Analysis Gamnma, Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.572 +/-0.132 0.0488 +/-0.132 0.106 pCi/g MJHI 12/08/06 0924 593223 Americium-241 U -0.0672 +/-0.113 0.0904 +/-0.113 0.188 pCi/g Bismuth-212 UI 0.00 +/-0.216 0.114 +/-0.216 0.245 pCi/g Bismuth-214 0.550 +/-0.0786 0.0308 +/-0.0786 0.0653 pCi/g Cesium-134 U 0.0351 +/-0.026 0.0184 +/-0.026 0.0392 pCi/g Cesium-137 U 0.00527 +/-0.0165 0.0148 +/-0.0165 0.0318 pCi/g Cobalt-60 U 0.00288 +/-0.0199 0.0172 +/-0.0199 0.0379 pCi/g Europium-152 U -0.00478 +/-0.0457 0.0394 +/-0.0457 0.0828 pCi/g Europium-154 U -0.013 +/-0.0533 0.0442 +/-0.0533 0.0976 pCi/g Europium-155 U 0.0505 +/-0.0489 0.049 +/-0.0489 0.101 pCi/g Lead-212 0.530 +/-0.049 0.0229 +/-0.049 0.0478 pCi/g Lead-214 0.652 +/-0.0781 0.0298 +/-0.0781 0.0626 pCi/g Manganese-54 U 0.00313 +/-0.0168 0.0145 +/-0.0168 0.0313 pCi/g Niobium-94 U -0.00172 +/-0.0162 0.0139 +/-0.0162 0.0297 pCi/g Potassium-40 8.87 +/-0.723 0.138 +/-0.723 0.309 pCi/g Radium-226 0.550 +/-0.0786 0.0308 +/-0.0786 0.0653 pCi/g Silver-108m U-0.000895 +/-0.0139 0.0126 +/-0.0139 0.0268 pCi/g Thallium-208 0.156 +/-0.0302 0.0125 +/-0.0302 0.027 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 MXP2 12/05/06 1535 593152 The following Analytical Methods were performed Method Description I EML HASL 300,4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 97

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-007FS Project: YANKO 1204 Sample ID: 177084031 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1l

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

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

98

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-037F Project: YANK01204 Sample ID: 177084032 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 30-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 4.98%

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

Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.736 +/-0.166 0.0524 +/-0.166 0.114 pCi/g MJHI 12/08/06 0925 593223 Americium-241 U -0.00582 +/-0.0876 0.0706 +/-0.0876 0.146 pCi/g Bismuth-212 0.527 +/-0.198 0.116 +/-0.198 0.249 pCi/g Bismuth-214 0.546 +/-0.106 0.0287 +/-0.106 0.0613 pCi/g Cesium-134 U 0.0429 +/-0.0256 0.0204 +/-0.0256 0.0434 pCi/g Cesium-137 U 0.00516 +/-0.0199 0.0174 +/-0.0199 0.0371 pCi/g Cobalt-60 U -0.0188 +/-0.0199 0.0144 +/-0.0199 0.0323 pCi/g Europium-152 U 0.054 +/-0.0441 0.0407 +/-0.0441 0.0857 pCi/g Europium-154 U 0.0049 +/-0.0544 0.0463 +/-0.0544 0.102 pCi/g Europium-155 U 0.0383 +/-0.0485 0.047 +/-0.0485 0.0974 pCi/g Lead-212 0.643 +/-0.0716 0.0229 +/-0.0716 0.0477 pCi/g Lead-214 0.561 +/-0.0878 0.0268 +/-0.0878 0.0567 pCi/g Manganese-54 U 0.0248 +/-0.0177 0.0173 +/-0.0177 0.037 pCi/g Niobium-94 U 0.0136 +/-0.0171 0.0155 +/-0.0171 0.0331 pCi/g Potassium-40 10.1 +/-1.01 0.159 +/-1.01 0.355 pCi/g Radium-226 0.546 +/-0.106 0.0287 +/-0.106 0.0613 pCi/g Silver-108m U 0.0114 +/-0.0146 0.0138 +/-0.0146 0.0292 pCi/g Thallium-208 0.190 +/-0.0404 0.0142 +/-0.0404 0.0305 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 MXP2 12/05/06 1535 593152 The following Analytical Methods were performed Method Description I EML HASL 300,4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 99

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-037F Project: YANK01204 Sample ID: 177084032 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1%

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

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

100

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-033F Project: YANKO01204 Sample ID: 177084033 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 30-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 6.31%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1A Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.686 +/-0.156 0.0506 +/-0.156 0.109 pCi/g MJHI 12/08/06 0926 593223 Americium-241 U 0.00986 +/-0.0812 0.0709 +/-0.0812 0.146 pCi/g Bismuth-212 0.660 +/-0.241 0.0981 +/-0.241 0.212 pCi/g Bismuth-214 0.593 +/-0.0984 0.028 +/-0.0984 0.0595 pCi/g Cesium-134 U 0.0273 +/-0.0306 0.0205 +/-0.0306 0.0434 pCi/g Cesium-137 0.115 +/-0.0336 0.0165 +/-0.0336 0.035 pCi/g Cobalt-60 U 0.00966 +/-0.017 0.0154 +/-0.017 0.0339 pCi/g Europium-152 U -0.0138 +/-0.0444 0.0398 +/-0.0444 0.0836 pCi/g Europium-154 U 0.0136 +/-0.065 0.051 +/-0.065 0.111 pCi/g Europium-155 U 0.0388 +/-0.0473 0.0455 +/-0.0473 0.094 pCi/g Lead-212 0.682 +/-0.0725 0.0229 +/-0.0725 0.0475 pCi/g Lead-214 0.631 +/-0.089 0.0294 +/-0.089 0.0617 pCi/g Manganese-54 U 0.00943 +/-0.017 0.0157 +/-0.017 0.0336 pCi/g Niobium-94 U 0.00543 +/-0.0168 0.0147 +/-0.0168 0.0313 pCi/g Potassium-40 10.4 +/-1.01 0.154 +/-1.01 0.338 pCi/g Radium-226 0.593 +/-0.0984 0.028 +/-0.0984 0.0595 pCi/g Silver-108m U 0.0123 +/-0.0152 0.0143 +/-0.0152 0.0301 pCi/g Thallium-208 0.214 +/-0.0396 0.0144 +/-0.0396 0.0308 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 MXP2 12/05/06 1535 593152 The following Analytical Methods were performed Method Description I EML HASL 300, 4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 101

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-033F Project: YANK01204 Sample ID: 177084033 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1%

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

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

102

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company : Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-006F Project: YANK01204 Sample ID: 177084034 Client ID: YANKO01 Matrix: TS Vol. Recv.:

Collect Date: 30-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 9.27%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch IN Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 1.11 +/-0.154 0.0601 +/-0.154 0.129 pCi/g MJHI 12/08/06 0929 593223 Americium-241 U -0.105 +/-0.091 0.0851 +/-0.091 0.175 pCi/g Bismuth-212 0.819 +/-0.288 0.130 +/-0.288 0.277 pCi/g Bismuth-214 0.682 +/-0.078 0.0325 +/-0.078 0.0687 pCi/g Cesium-134 UI 0.00 +/-0.0322 0.0222 +/-0.0322 0.0468 pCi/g Cesium-137 UI 0.00 +/-0.0369 0.016 +/-0.0369 0.0342 pCi/g Cobalt-60 U 0.00536 +/-0.0216 0.0185 +/-0.0216 0.0404 pCi/g Europium-152 U -0.00175 +/-0.0546 0.0477 +/-0.0546 0.0995 pCi/g Europium-154 U 0.00509 +/-0.0714 0.0601 +/-0.0714 0.129 pCi/g Europium-155 U 0.0962 +/-0.0899 0.0593 +/-0.0899 0.122 pCi/g Lead-212 0.967 +/-0.0615 0.0279 +/-0.0615 0.0576 pCi/g Lead-214 0.711 +/-0.0783 0.0334 +/-0.0783 0.0697 pCi/g Manganese-54 U-0.0001 18 +/-0.0197 0.0171 +/-0.0197 0.0364 pCi/g Niobium-94 U 0.0159 +/-0.0187 0.0173 +/-0.0187 0.0365 pCi/g Potassium-40 15.6 +/-0.935 0.139 +/-0.935 0.311 pCi/g Radium-226 0.682 +/-0.078 0.0325 +/-0.078 0.0687 pCi/g Silver-108m U -0.00505 +/-0.0182 0.0154 +/-0.0182 0.0324 pCi/g Thallium-208 0.312 +/-0.0409 0.016 +/-0.0409 0.0338 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 MXP2 12/05/06 1535 593152 The following Analytical Methods were performed Method Description EML HASL 300, 4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 103

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-006F Proiect: YANK01204 Sample ID: 177084034 Client ID: YANK001 Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1%

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

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

104

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address : 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-034F Project: YANK01204 Sample ID: 177084035 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 30-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 9.44%

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1k Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.773 +/-0.176 0.0762 +/-0.176 0.162 pCi/g MJH1 12/08/06 0930 593223 Americium-241 U 0.0114 +/-0.0313 0.0294 +/-0.0313 0.0605 pCi/g Bismuth-212 0.449 +/-0.357 0.141 +/-0.357 0.299 pCi/g Bismuth-214 0.730 +/-0.118 0.0367 +/-0.118 0.0773 pCi/g Cesium-134 UI 0.00 +/-0.0505 0.0272 +/-0.0505 0.0571 pCi/g Cesium-137 U 0.0141 +/-0.0337 0.0203 +/-0.0337 0.0429 pCi/g Cobalt-60 U 0.00739 +/-0.0412 0.0225 +/-0.0412 0.0486 pCi/g Europium-152 U 0.0169 +/-0.0569 0.0506 +/-0.0569 0.105 pCi/g Europium-154 U 0.0606 +/-0.110 0.0647 +/-0.110 0.139 pCi/g Europium-155 U 0.0804 +/-0.0697 0.046 +/-0.0697 0.0948 pCi/g Lead-212 0.725 +/-0.0766 0.0419 +/-0.0766 0.0858 pCi/g Lead-214 0.844 +/-0.0961 0.0344 +/-0.0961 0.0719 pCi/g Manganese-54 U 0.0211 +/-0.0242 0.0219 +/-0.0242 0.0462 pCi/g Niobium-94 U 0.00842 +/-0.022 0.0196 +/-0.022 0.0412 pCi/g Potassium-40 11.5 +/-0.833 0.185 +/-0.833 0.405 pCi/g Radium-226 0.730 +/-0.118 0.0367 +/-0.118 0.0773 pCi/g Silver-108m U 0.0222 +/-0.0295 0.0182 +/-0.0295 0.0381 pCi/g Thallium-208 0.290 +/-0.0469 0.0187 +/-0.0469 0.0395 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 MXP2 12/05/06 1535 593152 The following Analytical Methods were performed Method Description I EML HASL 300, 4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 105

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-034F Project: YANK01204 Sample ID: 177084035 Client ID: YANK001 Vol. Recv.:

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

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

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

106

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-008F Project: YANK01204 Sample ID: 177084036 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 30-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 4.04%

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

Rad Gamma Spec Analysis Gamma,Solid-FSS GAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.743 +/-0.114 0.0384 +/-0.114 0.0814 pCi/g MJH1 12/08/06 0930 593223 Americium-241 U 0.0143 +/-0.0524 0.0472 +/-0.0524 0.0971 pCi/g Bismuth-212 0.535 +/-0.138 0.0941 +/-0.138 0.197 pCi/g Bismuth-214 0.471 +/-0.0536 0.0243 +/-0.0536 0.0507 pCi/g Cesium-134 UI 0.00 +/-0.024 0.0153 +/-0.024 0.032 pCi/g Cesium-137 U 0.00506 +/-0.0132 0.0118 +/-0.0132 0.0248 pCi/g Cobalt-60 U 0.0101 +/-0.0134 0.0124 +/-0.0134 0.0264 pCi/g Europium-152 U 0.00518 +/-0.0345 0.0311 +/-0.0345 0.0647 pCi/g Europium-154 U -0.0133 +/-0.0379 0.0322 +/-0.0379 0.069 pCi/g Europium-155 U 0.00646 +/-0.0404 0.0382 +/-0.0404 0.0786 pCi/g Lead-212 0.667 +/-0.0406 0.0178 +/-0.0406 0.0368 pCi/g Lead-214 0.541 +/-0.0587 0.0217 +/-0.0587 0.0451 pCi/g Manganese-54 U 0.00783 +/-0.0127 0.0118 +/-0.0127 0.0247 pCi/g Niobium-94 U 0.00662 +/-0.0129 0.0115 +/-0.0129 0.0241 pCi/g Potassium-40 10.5 +/-0.585 0.114 +/-0.585 0.244 pCi/g Radium-226 0.471 +/-0.0536 0.0243 +/-0.0536 0.0507 pCi/g Silver-108m U 0.0103 +/-0.0114 0.011 +/-0.0114 0.0229 pCi/g Thallium-208 0.210 +/-0.0294 0.0103 +/-0.0294 0.0217 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 MXP2 12/05/06 1535 593152 The following Analytical Methods were performed Method Description I EML HASL 300, 4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 107

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-008F Project: YANK01204 Sample ID: 177084036 Client ID: YANK001 Vol. Recv.:

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

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

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

108

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company: Connecticut Yankee Atomic Power Address: 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-005F Project: YANKO 1204 Sample ID: 177084037 Client ID: YANK001 Matrix: TS Vol. Recv.:

Collect Date: 30-NOV-06 Receive Date: 05-DEC-06 Collector: Client Moisture: 6.25%

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

Rad Gamma Spec Analysis Gamma,Solid-FSSGAM & ALL FSS 226 Ingrowth Waived Actinium-228 0.626 +/-0.135 0.0446 +/-0.135 0.0892 pCi/g MJHI 12/08/06 0934 593223 Americium-241 U 0.0641 +/-0.113 0.0966 +/-0.113 0.193 pCi/g Bismuth-212 0.377 +/-0.197 0.103 +/-0.197 0.206 pCi/g Bismuth-214 0.486 +/-0.0819 0.0257 +/-0.0819 0.0514 pCi/g Cesium-134 U 0.019 +/-0.0213 0.0162 +/-0.0213 0.0324 pCi/g Cesium-137 U 0.0141 +/-0.0184 0.0156 +/-0.0184 0.0312 pCi/g Cobalt-60 U 0.00555 +/-0.017 0.0143 +/-0.017 0.0286 pCi/g Europium-152 U -0.0103 +/-0.058 0.0389 +/-0.058 0.0778 pCi/g Europium-154 U 0.021 +/-0.0571 0.0432 +/-0.0571 0.0863 pCi/g Europium-155 U 0.092 +/-0.0814 0.0527 +/-0.0814 0.105 pCi/g Lead-212 0.624 +/-0.0677 0.0227 +/-0.0677 0.0454 pCi/g Lead-214 0.619 +/-0.0804 0.0263 +/-0.0804 0.0525 pCi/g Manganese-54 U 0.00176 +/-0.0173 0.0146 +/-0.0173 0.0292 pCi/g Niobium-94 U -0.0126 +/-0.0154 0.0122 +/-0.0154 0.0243 pCi/g Potassium-40 10.4 +/-0.890 0.124 +/-0.890 0.247 pCi/g Radium-226 0.486 +/-0.0819 0.0257 +/-0.0819 0.0514 pCi/g Silver-108m U -0.00147 +/-0.0144 0.0121 +/-0.0144 0.0241 pCi/g Thallium-208 0.175 +/-0.0376 0.0137 +/-0.0376 0.0274 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 MXP2 12/05/06 1535 593152 The following Analytical Methods were performed Method Description I EML HASL 300, 4.5.2.3 Notes:

The Qualifiers in this report are defined as follows:

• A quality control analyte recovery is outside of specified acceptance criteria

< Result is less than value reported 109

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Company : Connecticut Yankee Atomic Power Address 362 Injun Hollow Rd East Hampton, Connecticut 06424 Report Date: December 12, 2006

Contact:

Mr. Jack McCarthy Project: Soils PO# 002332 Client Sample ID: 9804-0000-005F Project: YANKO 1204 Sample ID: 177084037 Client ID: YANKOOI Vol. Recv.:

Parameter Qualifier Result Uncertainty LC TPU MDA Units DF Analyst Date Time Batch 1%

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

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

110

QUALITY CONTROL DATA ill

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Renort Date: December 12, 2006 Client : Connecticut Yankee Atomic Power Page 1 of 12 362 Injun Hollow Rd East Hampton, Connecticut

Contact:

Mr. Jack McCarthy Workorder: 177084 Parmname NOM Sample Qual QC Units RPD% REC% Range Anlst Date Time Rad Alpha Spec Batch 593610 QC1201241517 177084014 DUP Americium-241 U 0.0351 0.252 pCilg 151 (0% - 100%) DXH2 12/08/06 13:09 Uncert: +/-0.202 +/-0.206 TPU: +/-0.202 +/-0.208 Curium-242 U 0.00 U 0.00 pCi/g 0 (0%- 100%)

Uncert: +/-0.122 +/-0.0851 TPU: +/-0.122 +/-0.0851 Curium-243/244 U 0.115 0.125 pCi/g 8 (0%- 100%)

Uncert: +/-0.309 +/-0.142 TPU: +/-0.310 +/-0.143 QC1201241519 LCS Americium-241 13.2 12.9 pCi/g 98 (75%-125%)

Uncert: +/-1.28 TPU: +/-2.03 Curium-242 U 0.0253 pCi/g Uncert: +/-0.0671 TPU: +/-0.0672 Curium-243/244 11.4 10.2 pCi/g 90 (75%-125%)

Uncert: +/-1.14 TPU: +/-1.69 QC1201241516 MB Americium-241 U 0.0825 pCi/g Uncert: +/-0.129 TPU: +/-0.129 Curium-242 U 0.00 pCi/g Uncert: +/-0.0619 TPU: +/-0.0619 Curium-243/244 U -0.0363 pCi/g Uncert: +/-0.0755 TPU: +/-0.0756 QCI1201241518 177084014 MS Americium-241 13.5 U 0.0351 12.2 pCi/g 90 (75%-125%)

Uncert: +/-0.202 +/-1.22 TPU +/-0.202 +/-1.91 Curium-242 U 0.00 U 0.00 pCi/g Uncert: +/-0.122 +/-0.0641 TPU +/-0.122 +/-0.0641 Curium-243/244 11.7 U 0.115 9.96 pCi/g 85 (75%-125%)

Uncert: +/-0.309 +/-1.10 TPU +/-0.310 +/-1.62 Batch 593611 QC1201241525 177084014 DUP Plutonium-238 U -0.0285 U -0.063 pCi/g 75 (0% - 100%) DXH2 12/08/06 13:09 112

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 177084 Page 2 of 12 Parmname NOM Sample Qual OC Units RPD% REC% Range Anist Date Time Rad Alpha Spec Batch 593611 Uncert: +/-0.0645 +/-0.077 TPU: +/-0.0645 +/-0.0773 Plutonium-239/240 U 0.0261 U -0.0986 pCi/g 344 (0%- 100%)

Uncert: +/-0.127 +/-0.0831 TPU: +/-0.127 +/-0.0837 QC1201241527 LCS Plutonium-238 U 0.0649 pCi/g (75%-1 25%) 12/08/06 13:09 Uncert: +/-0.112 TPU: +/-0.112 Plutonium-239/2 4 0 12.2 11.3 pCi/g 93 (75%-125%)

Uncert: +/-1.18 TPU: +/-1.65 QC1201241524 MB Plutonium-238 U 0.00439 pCi/g 12/08/06 13:09 Uncert: +/-0.138 TPU: +/-0.138 Plutonium-239/240 U -0.0161 pCi/g Uncert: +/-0.0831 TPU: +/-0.0832 QC1201241526 177084014 MS Plutonium-238 U -0.0285 U 0.0821 pCi/g (75%- 125%) 12/08/06 13:09 Uncert: +/-0.0645 +/-0.109 TPU: +/-0.0645 +/-0.109 Plutonium-239/240 12.5 U 0.0261 12.7 pCi/g 102 (75%-125%)

Uncert: +/-0.127 +/-1.15 TPU: +/-0.127 +/-1.69 Batch 593612 QC1201241529 177084014 DUP Plutonium-241 U -4.41 U -5.33 pCi/g 0 (0% - 100%) DXH2 12/12/06 09:18 Uncert: +/-7.46 +/-7.90 TPU: +/-7.46 +/-7.90 QC1201241531 LCS Plutonium-241 138 115 pCi/g 84 (75%-125%) 12/12/06 08:45 Uncert: +/-11.6 TPU: +/-16.0 QC1201241528 MB Plutonium-241 U -5.28 pCi/g 12/12/06 09:34 Uncert: +/-6.97 TPU: +/-6.97 QC1201241530 177084014 MS Plutonium-241 141 U -4.41 130 pCi/g 92 (75%-125%) 12/12/06 09:02 Uncert: +/-7.46 +/-12.3 TPU: +/-7.46 +/-17.4 Rad Gamma Spec Batch 593222 QC1201240647 177084001 DUP Actinium-228 0.669 0.653 pCi/g 2 (0%- 100%) MJHI 12/07/06 19:22 Uncert: +/-0.188 +/-0.104

+/-0.104 113

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 177084 Page 3 of 12 Parmname NOM SamDle Oual OC Units RPD % REC% Ranee Anist Date Time Rad Gamma Spec Batch 593222 TPU: +/-0.188 Americium-241 U -0.0958 U 0.104 pCi/g 4780 (0%- 100%)

Uncert: +/-0.0731 +/-0.0728 TPU: +/-0.0731 +/-0.0728 Bismuth-212 0.547 0.462 pCi/g 17 (0%- 100%)

Uncert: +/-0.322 +/-0.149 TPU: +/-0.322 +/-0.149 Bismuth-214 0.604 0.501 pCi/g 19 (0%- 100%)

Uncert: +/-0.103 +/-0.0665 TPU: +/-0.103 +/-0.0665 Cesium-134 U 0.0294 UI 0.00 pCi/g 18 (0%- 100%)

Uncert: +/-0.0239 +/-0.0198 TPU: +/-0.0239 +/-0.0198 Cesium- 137 U -0.000496 U -0.00765 pCi/g 176 (0%- 100%)

Uncert: +/-0.0214 +/-0.0127 TPU: +/-0.0214 +/-0.0127 Cobalt-60 U 0.0141 U -0.00142 pCi/g 245 (0%- 100%)

Uncert: +/-0.0184 +/-0.0135 TPU: +/-0.0184 +/-0.0135 Europium- 152 U -0.0214 U -0.0234 pCi/g 9 (0%- 100%)

Uncert: +/-0.053 +/-0.0357 TPU: +/-0.053 +/-0.0357 Europium- 154 U -0.0516 U 0.00182 pCi/g 215 (0%- 100%)

Uncert: +/-0.0592 +/-0.0353 TPU: +/-0.0592 +/-0.0353 Europium-155 U 0.0129 U 0.0506 pCi/g 119 (0%- 100%)

Uncert: +/-0.0575 +/-0.0486 TPU: +/-0.0575 +/-0.0486 Lead-212 0.680 0.640 pCi/g 6 (0%- 20%)

Uncert: +/-0.0829 +/-0.0586 TPU: +/-0.0829 +/-0.0586 Lead-214 0.726 0.621 pCi/g 16 (0% - 20%)

Uncert: +/-0.106 +/-0.068 TPU: +/-0.106 +/-0.068 Manganese-54 U 0.00152 U 0.0104 pCi/g 149 (0%- 100%)

Uncer: +/-0.020 +/-0.0152 TPU: +/-0.020 +/-0.0152 Niobium-94 U -0.0059 U 0.00788 pCi/g 1390 (0%- 100%)

Uncert: +/-0.0183 +/-0.0101 TPU: +/-0.0183 +/-0.0101 Potassium-40 10.5 11.3 pCi/g 8 (0% - 20%)

Uncer: +/-1.02 +/-0.778 TPU: +/-1.02 +/-0.778 Radium-226 0.604 0.501 pCi/g 19 (0%- 100%)

Uncert: +/-0.103 +/-0.0665 TPU: +/-0.103 +/-0.0665 Silver-108m U 0.00287 U -0.00621 pCi/g 544 (0%- 100%)

Uncert: +/-0.0183 +/-0.0104 114

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 177084 Page 4 of 12 Parmname NOM Sample Qual OC Units RPD% REC% Range Anist Date Time Rad Gamma Spec Batch 593222 TPU: +/-0.0183 +/-0.0104 Thallium-208 0.169 0.187 pCi/g 10 (0%- 100%)

Uncert: +/-0.0509 +/-0.0264 TPU: +/-0.0509 +/-0.0264 QC 1201240648 LCS Actinium-228 U -0.0152 pCi/g 12/08/06 07:15 Uncert: +/-0.819 TPU: +/-0.819 Americium-241 23.4 25.7 pCi/g 110 (75%-125%)

Uncert: +/-2.15 TPU: +/-2.15 Bismuth-212 U 0.285 pCi/g Uncert: +/-1.23 TPU: +/-1.23 Bismuth-214 U 0.232 pCi/g Uncert: +/-0.319 TPU: +/-0.319 Cesium- 134 U -0.045 pCi/g Uncert: +/-0.198 TPU: +/-0.198 Cesium-137 9.52 10.2 pCi/g 107 (75%-125%)

Uncert: +/-1.10 TPU: +/-1.10 Cobalt-60 14.0 14.8 pCi/g 106 (75%-125%)

Uncert: +/-0.785 TPU: +/-0.785 Europium- 152 U -0.284 pCi/g Uncert: +/-0.402 TPU: +/-0.402 Europium- 154 U -0.205 pCi/g Uncert: +/-0.346 TPU: +/-0.346 Europium- 155 U 0.136 pCi/g Uncert: +/-0.290 TPU: +/-0.290 Lead-212 U 0.208 pCi/g Uncert: +/-0.176 TPU: +/-0.176 Lead-214 U -0.173 pCi/g Uncert: +/-0.251 TPU: +/-0.251 Manganese-54 U -0.0484 pCi/g Uncert: +/-0.172 TPU: +/-0.172 pCi/g Niobium-94 U -0.0168 Uncert: +/-0.149 TPU: +/-0.149 pCi/g Potassium-40 U -0.351 115

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 177084 Page 5 of 12 Parmname NOM Sample Qual QC Units RPDI% REC% Range Anist Date Time Rad Gamma Spec Batch 593222 Uncert: +/-1.21 TPU: +/-1.21 Radium-226 U 0.232 pCi/g (75%- 125%)

Uncert: +/-0.319 TPU: +/-0.319 Silver- 108m U -0.0931 pCi/g Uncert: +/-0.137 TPU: +/-0.137 Thallium-208 U 0.0423 pCi/g Uncert: +/-0.153 TPU: +/-0.153 QC 1201240646 MB Actinium-228 U 0.0752 pCi/g 12/07/06 19:18 Uncert: +/-0.0442 TPU: +/-0.0442 Americium-241 U 0.000231 pCi/g Uncert: +/-0.0133 TPU: +/-0.0133 Bismuth-212 U -0.0591 pCi/g Uncert: +/-0.0899 TPU: +/-0.0899 Bismuth-214 U 0.0327 pCi/g Uncert: +/-0.0245 TPU: +/-0.0245 Cesium-134 U 0.00527 pCi/g Uncert: +/-0.013 TPU: +/-0.013 Cesium- 137 U -0.00736 pCi/g Uncert: +/-0.015 TPU: +/-0.015 Cobalt-60 U 0.00958 pCi/g Uncert: +/-0.012 TPU: +/-0.012 Europium-152 U 0.00224 pCi/g Uncert: +/-0.0289 TPU: +/-0.0289 Europium- 154 U -0.0396 pCi/g Uncert: +/-0.0346 TPU: +/-0.0346 Europium- 155 U 0.0291 pCi/g Uncert: +/-0.036 TPU: +/-0.036 Lead-212 U 0.00563 pCi/g Uncert: +/-0.0281 TPU: +/-0.0281 Lead-214 UI 0.00 pCi/g Uncert: +/-0.0218 TPU: +/-0.0218 116

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com OC Summary Workorder: 177084 Page 6 of 12 Parmname NOM Sample Qual QC Units RPD% REC% Range Anlst Date Time Rad Gamma Spec Batch 593222 Manganese-54 U 0.0151 pCi/g Uncert: +/-0.0176 TPU: +/-0.0176 Niobium-94 U 0.000867 pCi/g Uncert: +/-0.0121 TPU: +/-0.0121 Potassium-40 U 0.111 pCi/g Uncert: +/-0.129 TPU: +/-0.129 Radium-226 U 0.0327 pCi/g Uncert: +/-0.0245 TPU: +/-0.0245 Silver- 108m U -0.00836 pCi/g Uncert: +/-0.00976 TPU: +/-0.00976 Thallium-208 U 0.00254 pCi/g Uncert: +/-0.0239 TPU: +/-0.0239 Batch 593223 QC 1201240650 177084037 DUP Actinium-228 0.626 0.619 pCi/g I (0%- 100%) MJHI 12/08/06 10:25 Uncert: +/-0.135 +/-0.187 TPU: +/-0.135 +/-0.187 Americium-241 U 0.0641 U 0.0506 pCi/g 23 (0%- 100%)

Uncert: +/-0.113 +/-0.0359 TPU: +/-0.113 +/-0.0359 Bismuth-212 0.377 0.622 pCi/g 49 (0%- 100%)

Uncert: +/-0.197 +/-0.319 TPU: +/-0.197 +/-0.319 Bismuth-214 0.486 0.551 pCi/g 13 (0% - 100%)

Uncert: +/-0.0819 +/-0.135 TPU: +/-0.0819 +/-0.135 Cesium-134 U 0.019 U 0.0464 pCi/g 84 (0%- 100%)

Uncert: +/-0.0213 +/-0.0355 TPU: +/-0.0213 +/-0.0355 Cesium- 137 U 0.0141 U 0.0365 pCi/g 88 (0%- 100%)

Uncert: +/-0.0184 +/-0.030 TPU: +/-0.0184 +/-0.030 Cobalt-60 U 0.00555 U 0.00175 pCi/g 104 (0% - 100%)

Uncert: +/-0.017 +/-0.0291 TPU: +/-0.017 +/-0.0291 Europium- 152 U -0.0103 U -0.00749 pCi/g 32 (0%- 100%)

Uncert: +/-0.058 +/-0.0681 TPU: +/-0.058 +/-0.0681 Europium- 154 U 0.021 U 0.0149 pCi/g 34 (0%- 100%)

Uncert: +/-0.0571 +/-0.0848 TPU: +/-0.0571 +/-0.0848 Europium-155 u 0.092 U 0.0558 pCi/g 49 (0% - 100%)

117

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 177084 Page 7 of 12 Par-mna m' NOM Samnle Oual OC Units RPD % REC% Ran2e AnIst Date Time Rad Gamma Spec Batch 593223 Uncert: +/-0.0814 +/-0.0528 TPU: +/-0.0814 +/-0.0528 Lead-212 0.624 0.676 pCi/g 8 (0% - 20%)

Uncert: +/-0.0677 +/-0.0839 TPU: +/-0.0677 +/-0.0839 Lead-214 0.619 0.530 pCi/g 16 (0% - 20%)

Uncert: +/-0.0804 +/-0.101 TPU: +/-0.0804 +/-0.101 Manganese-54 u 0.00176 U 0.00791 pCi/g 127 (0%- 100%)

Uncert: +/-0.0173 +/-0.0254 TPU: +/-0.0173 +/-0.0254 Niobium-94 u -0.0126 U -0.00817 pCi/g 43 (0%- 100%)

Uncert: +/-0.0154 +/-0.0418 TPU: +/-0.0154 +/-0.0418 Potassium-40 10.4 9.70 pCi/g 6 (0% - 20%)

Uncert: +/-0.890 +/-0.966 TPU: +/-0.890 +/-0.966 Radium-226 0.486 0.551 pCi/g 13 (0%- 100%)

Uncert: +/-0.0819 +/-0.135 TPU: +/-0.0819 +/-0.135 Silver- 108m u -0.00147 U -0.0118 pCi/g 155 (0%- 100%)

Uncert: +/-0.0144 +/-0.0215 TPU: +/-0.0144 +/-0.0215 Thallium-208 0.175 0.218 pCi/g 22 (0%- 100%)

Uncert: +/-0.0376 +/-0.0526 TPU: +/-0.0376 +/-0.0526 QC1201240651 LCS Actinium-228 U 0.682 pCi/g 12/08/06 09:23 Uncert: +/-0.819 TPU: +/-0.819 Americium-241 23.4 25.6 pCi/g 110 (75%-125%)

Uncert: +/-2.12 TPU: +/-2.12 Bismuth-212 U 0.900 pCi/g Uncert: +/-1.36 TPU: +/-1.36 Bismuth-214 U 0.150 pCi/g Uncert: +/-0.277 TPU: +/-0.277 Cesium- 134 U -0.00387 pCi/g Uncert: +/-0.178 TPU: +/-0.178 Cesium- 137 9.52 10.4 pCi/g 109 (75%-125%)

Uncert: +/-1.10 TPU: +/-1.10 Cobalt-60 14.0 14.9 pCi/g 107 (75%-125%)

Uncert: +/-0.772 TPU: +/-0.772 118

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 177084 Page 8 of 12 Parmname NOM Sample Qual OC-

• v Units RPD% REC% Range zo Anist Date Time Rad Gamma Spec Batch 593223 Europium- 152 U 0.148 pCi/g Uncert: +/-0.335 TPU: +/-0.335 Europium- 154 U -0.196 pCi/g Uncert: +/-0.385 TPU: +/-0.385 Europium- 155 U 0.212 pCi/g Uncert: +/-0.283 TPU: +/-0.283 Lead-212 U 0.113 pCi/g Uncert: +/-0.189 TPU: +/-0.189 Lead-214 U 0.236 pCi/g Uncert: +/-0.254 TPU: +/-0.254 Manganese-54 U 0.0987 pCi/g Uncert: +1-0.173 TPU: +/-0.173 Niobium-94 U -0.0728 pCi/g Uncert: +/-0.151 TPU: +/-0.151 Potassium-40 U 0.360 pCi/g Uncert: +/-1.21 TPU: +/-1.21 Radium-226 U 0.150 pCi/g (75%-125%)

Uncert: +/-0.277 TPU: +/-0.277 Silver- 108m U 0.180 pCi/g Uncert: +/-0.137 TPU: +/-0.137 Thallium-208 U 0.111 pCi/g Uncert: +/-0.245 TPU: +/-0.245 QC 1201240649 MB Actinium-228 U 0.00435 pCi/g 12/08/06 10:21 Uncert: +/-0.0452 TPU: +/-0.0452 Americium-241 U 0.00483 pCi/g Uncert: +/-0.0302 TPU: +/-0.0302 Bismuth-212 U 0.0347 pCi/g Uncert: +/-0.0812 TPU: +/-0.0812 Bismuth-214 U 0.0311 pCi/g Uncert: +/-0.0219 TPU: +/-0.0219 Cesium- 134 U -0.00659 pCi/g Uncert: +/-0.0101 119

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 177084 Page 9 of 12 Parmname NOM Sample Qual QC Units RPD% REC% Range AnIst Date Time Rad Gamma Spec Batch 593223 TPU: +/-0.0101 Cesium- 137 U -0.00142 pCi/g Uncert: +/-0.00888 TPU: +/-0.00888 Cobalt-60 U 0.00205 pCi/g Uncert: +/-0.0115 TPU: +/-0.0115 Europium- 152 U 0.0132 pCi/g Uncert: +/-0.0278 TPU: +/-0.0278 Europium- 154 U 5.630E-05 pCi/g Uncert: +/-0.0238 TPU: +/-0.0238 Europium- 155 U -0.0124 pCi/g Uncert: +/-0.0238 TPU: +/-0.0238 Lead-212 U 0.0246 pCi/g Uncert: +/-0.0163 TPU: +/-0.0163 Lead-214 U 0.00937 pCi/g Uncert: +/-0.0204 TPU: +/-0.0204 Manganese-54 U -5.830E-05 pCi/g Uncert: +/-0.00905 TPU: +/-0.00905 Niobium-94 U -0.00715 pCi/g Uncert: +/-0.00981 TPU: +/-0.00981 Potassium-40 U 0.0129 pCi/g Uncert: +/-0.200 TPU: +/-0.200 Radium-226 U 0.0311 pCi/g Uncert: +/-0.0219 TPU: +/-0.0219 Silver-108m U 0.00263 pCi/g Uncert: +/-0.00788 TPU: +/-0.00788 Thallium-208 U 0.00657 pCi/g Uncert: +/-0.0106 TPU: +/-0.0106 Rad Gas Flow Batch 593221 QC1201240643 177087006 DUP Strontium-90 U -0.00152 U 0.00411 pCi/g 0 (0% - 100%) KSDI 12/08/06 17:02 Uncert: +/-0.00993 +/-0.0104 TPU: +/-0.00993 +/-0.0104 QC 1201240645 LCS Strontium-90 1.13 1.13 pCi/g 100 (75%-125%) 12/08/06 17:02 120

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 177084 Page 1.of 12 Parmname NOM Sample Oual OC Units RPD% REC % Range Anist Date Time Rad Gas Flow Batch 593221 Uncert: +/-0.105 TPU: +/-0.111 QC 1201240642 MB Strontium-90 U -8.670E-05 pCi/g 12/08/06 17:01 Uncert: +/-0.00912 TPU: +/-0.00912 QC1201240644 177087006 MS Strontium-90 5.07 U -0.00152 5.23 pCi/g 103 (75%-125%) 12/08/06 17:02 Uncert: +/-0.00993 +/-0.499 TPU: +/-0.00993 +/-0.513 Rad Liquid Scintillation Batch 593284 QC1201240790 177084014 DUP Technetium-99 U 0.132 U -0.111 pCi/g 0 (0% - 100%) KXR1 12/11/06 10:22 Uncet: +/-0.182 +/-0.156 TPU: +/-0.182 +/-0.156 QC1201240792 LCS Technetium-99 13.0 12.1 pCi/g 93 (75%-125%) 12/11/06 11:25 Uncert: +/-0.349 TPU: +/-0.460 QC1201240789 MB Technetium-99 U 0.0296 pCi/g 12/11/06 09:50 Uncert: +/-0.148 TPU: +/-0.148 QC1201240791 177084014 MS Technetium-99 13.0

• U 0.132 12.1 pCi/g 93 (75%-125%) 12/11/06 10:53 Uncert: +/-0.182 +/-0.397 TPU: +/-0.182 +/-0.498 Batch 593288 QC1201240797 177084014 DUP Carbon-14 U -0.0214 U 0.0237 pCi/g 0 (0% - 100%) kXD2 12/06/06 22:14 Uncert: +/-0.0914 +/-0.102 TPU: +/-0.0914 +/-0.102 QC 1201240799 LCS Carbon- 14 6.60 6.53 pCi/g 99 (75%-125%) 12/07/06 00:19 Uncert: +/-0.185 TPU: +/-0.211 QC1201240796 MB Carbon-14 U -0.00806 pCi/g 12/06/06 21:11 Uncert: +/-0.0931 TPU: +/-0.0931 QC1201240798 177084014 MS Carbon-14 7.01 U -0.0214 7.02 pCi/g 100 (75%-125%) 12/06/06 23:16 Uncert: +/-0.0914 +/-0.198 TPU: +/-0.0914 +/-0.226 Batch 593291 QC1201240804 177087014 DUP Tritium U 0.506 U 0.635 pCi/g 0 (0% - 100%) DFAI 12/07/06 22:36 121

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 177084 Page 11 of 12 Parmname NOM Sample Qual QC Units RPD% REC% Range Anist Date Time Rad Liquid Scintillation Batch 593291 Uncert: +/-0.876 +/-0.885 TPU: +/-0.877 +/-0.885 QC1201240806 LCS Tritium 10.7 10.1 pCi/g 95 (75%-125%) 12/08/06 01:42 Uncert: +/-0.698 TPU: +/-0.719 QC1201240803 MB Tritium U 0.321 pCi/g 12/07/06 21:03 Uncert: +/-0.426 TPU: +/-0.426 QC1201240805 177087014 MS Tritium 11.1 U 0.506 10.1 pCi/g 91 (75%-125%) 12/08/06 00:09 Uncert: +/-0.876 +/-1.18 TPU: +/-0.877 +/-1.19 Batch 593478 QC1201241222 177084014 DUP Iron-55 U -17 U -1.18 pCi/g 0 (0% - 100%) VIXPI 12/11/06 15:02 Uncert: +/-39.0 +/-52.7 TPU: +/-39.0 +/-52.7 QC1201241224 LCS Iron-55 608 635 pCi/g 104 (75%-125%) 12/11/06 15:34 Uncert: +/-49.4 TPU: +/-94.0 QC1201241221 MB Iron-55 U -23.2 pCilg 12/11/06 14:46 Uncert: +/-43.3 TPU: +/-43.3 QC1201241223 177084014 MS Iron-55 642 U -17 650 pCi/g 101 (75%-125%) 12/11/06 15:18 Uncert: +/-39.0 +/-78.7 TPU: +/-39.0 +/-130 Batch 593479 QC1201241226 177084014 DUP Nickel-63 U -4.09 U 1.32 pCi/g 0 (0% - 100%) MXPI 12/08/06 23:43 Uncert: +/-11.1 +/-9.72 TPU: +/-11.1 +/-9.72 QC1201241228 LCS Nickel-63 506 514 pCi/g 102 (75%-125%) 12/09/06 00:15 Uncert: +/-23.3 TPU: +/-29.2 QC1201241225 MB Nickel-63 U -2.75 pCi/g 12/08/06 23:27 Uncert: +/-8.97 TPU: +/-8.97 QC1201241227 177084014 MS Nickel-63 545 U -4.09 515 pCi/g 95 (75%-125%) 12/08/06 23:59 Uncert: +/-11.1 +/-24.1 TPU: +/-11.1 +/-30.2 122

GENERAL ENGINEERING LABORATORIES, LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 177084 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

< Result is less than value reported

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

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

123

SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD ATTACHMENT 3 (DQA RESULTS)

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SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD ATTACHMENT 3A (PRELIMINARY DATA REVIEW)

Revision 0

FINAL STATUS SURVEY RELEASE RECORD Subsurface Soils Survey Unit 9804-0000 Preliminary Data Assessment Survey Unit: 9804-0000 Area Description Southeast Grounds (non-protected)

Classification A Survey Media Subsurface Soils Type of Survey Final Status Survey Number of Measurements 31 Static, 4 Biased STATISTICS on TOTAL STATISTICS on NON-POPULATION PARAMETRIC POPULATION Cs-1 37 Co-60 Cs-1 37 Co-60 DCGLop (pCi/g): 3.85E+00 2.29E+00 DCGLop (pCi/g): 3.85E+00 2.29E+00 Minimum Value: -1.02E-02 -1.88E-02 Minimum Value: -1.02E-02 -1.88E-02 Maximum Value: 1.15E-01 3.89E-02 Maximum Value: 7.43E-02 3.89E-02 Mean: 2.44E-02 3.89E-03 Mean: 2.12E-02 2.64E-03 Median: 1.78E-02 5.36E-03 Median: 1.78E-02 3.33E-03 Standard Deviation: 2.50E-02 1.21 E-02 Standard Deviation: 1.93E-02 1.21 E-02 Cs-137 Co-60 GPS Coordinates Fraction Sample ID Result MDA Result MDA 2I Identified 2a Identified of DCGL North East (pCi/g) (pCi/g) (pCi/g) (pCi/g) 9804-0000-001F 669100.78 236559.81 1.53E-02 0.030 3.35E-02 I 6.09E-03 0.018 3.45E-02 0.01 9804-0000-002F 669066.74 i 236500.84 3.69E-02 0.030 3.13E-02 + 3.01E-03 0.018 2.95E-02 0.01

. . I -------------..................................................... .............................. ..............................................................

9804-0000-003F 669134.83 1 236500.84 2.82E-02 0.027 4.31E-02 + 8.66E-03 0.024 4,13E-02 0.01 9804-0000-004F 668964.61 236441.88 0.OOE+00 0.019 2.14E-02 -9.72E-03 0.015 2.05E-02 0.00 Page 1 of 3

FINAL STATUS SURVEY RELEASE RECORD Subsurface Soils Survey Unit 9804-0000 Preliminary Data Assessment Cs-1 37 Co-60 GPS Coordinates Fraction Result MDA Result MDA 2_j Identified 2a Identified of DCGL North East (pCilg) (pCi(g) (pCi/g) 9804-0000-005F 669032.70 i 236441.88 1.41 E-02 0.018 3.12E-02i 5.55E-03 0.017 2.86E-02 0.01

........................................................ ----- ----- -----........ ...... .i ... .............. ............... ................................ ................................ i...................... ......... .......................... .... ................................ ................................ ................................

9804-0000-006F 669100.78 0.OOE+00 236441.88 ................................. 0.037 3.42E-02 .........................

5.36E-03 .................

0.022 4.04E-02 ..................

................. 0.00 9804-0000-007F 668930.57 i 236382.92 -1.02E-02 0.023 3.42E-02 -8.67E-03 0.019 3.49E-02 0.00

........................................................ .................. .........-.-.-.-.-.-.-................................................................................................. i............................................................... ................................ ................................ r...............................

9804-0000-008F 668998.66 1 236382.92 5.06E-03 0.013 2.48E-02 1.01E-02 0.013 2.64E-02 0.01 9804-0000-009F

. 669066.74. . . ... ,............

..236382.92 .. . . . . .......... 1.79E-02 . ..... i . . . . .0.031

. ....... ........... . . .2.67E-02 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -3.30E-03

. . . . . ................. ... . . . .0.019. . . . . . . . . . . J.. .2.60E-02

. . . . . . . . . . . . . ." ............. . . . . . . . . . 0.00 9804-0000-001OF

......................... ......... ................ 669134.83

. .. . . . . . . . . . . . 3.55E-02

. .236382.92 ..... ....... "..................... 0.026 2.93E-02 i....

................ ..... +

... .... 1.20E-02 ..............

............................... 0.016 3.18E-02 "....... ........ ............

................. i................................ 0.01 9804-0000-0011 F 669202.91

• 236382.92 3.06E-02 0.019 3.48E-02 + -9.60E-03 0.019 3.29E-02 0.00

................... ........... ....... ...................... I.. ......... .

9804-0000-0012F 668896.53 236323.95

................................ i................................

7.46E-03 0.022 4.09E-02 9.75E-04 0.025 4.76E-02

................................ ............................ "................................ i..................... .......... i................................

0.00 9804-0000-0013F 668964.61 236323.95 -4.96E-04: 0.021 3.87E-02 1.41E-02 1 0.018 3.38E-02 0.01 9804-0000-0014F 669032.70 ................................

....................................................... t............................... 236323.95 .............. 7.61E-03 0.029 "................................

................ ............................... 5.21E-02 1.18E-02

.................... .................... 0.028 i................................

..... ........ ...... ......................... 4.89E-02 i.................................. 0.01 9804-0000-0015F 669100.78 -.... 236323.95

.......................... ............ ............. .............................. 1.20E-02

............ ...... ...... ........... .. .........0.023 .......... 4.45E-02 .. .. . ... ..!. . .... .. .... 4.OOE-03 :................................

. ............................... 0.022 4.32E-02 ".............. .................

................................ 0.00 9804-0000-0016F 669168.87 1 236323.95 0.OOE+00 0.043 3.71E-02 -3.92E-03: 0.023 4.21E-02 0.00 9804-0000-0017F

.~ ~ ~ 669236.95 ~ ...... ~ ... ~ ~ ~ 3.82E-02 236323.95

.. ~ 1. ........

~................... 0.051 4.13E-02

-1.83E-021 0.020 i 328E'02

......... ................. ... ................................ i................................i................. ..............

0.00 9804-0000-0019F

..................... ............... ,..............................-.' 236264.99 668998.66 . ................................... ................-3.31 ....... E-02

. ...... 0.029. . .. .....3.84E-02

. .................... !..... ............... + . . . ..............-1.38E-03............. .....:.' 0.027

................ ............... . 3.91 E-02

...................... ........i........ ................... ... 0.01 9804-0000-0020F 669066.74 236264.99 3.24E-02 1 0.034 1 4.85E-02 3.89E-02 0.023 4.15E-02 + 0.03

... ......... . ..... ... + ... .............  ! =. ......... .......... .... ..... "............. ...................

9804-0000-0021F .............

....... 669134.83 236264.99

.............. 1.71E-02 0.025 4.84E-02 ...............................................-.-.-. 9.88E-04 0.024 .................. 4.54E-02 i......... .........................

.... ...... .................... 0.00 9804-0000-0022F 669202.91 1 ......... 236264.99 .... ... 7.43E-02

- - - -- 0.034 4.62E-02 - - - + -1.48E-02 0.030 5.12E-02

.............. .I................ 0.01

.9804-0000-0023F 669270.99

. . ........................... ......... ......... ................................ 236264.99

..... 4.67E-02 .. ..... 1 0.041

. .............. 4.03E-02

"................. ........ i.... . ......... + ..... ........1.70E-02 0.024

................................................... 4.95E-02

.............. ............ ....".............................. 0.02 9804-0000-0025F

........................ ........................ i-....669100.78

........... . ......... -....236206.03 .. .. . .. . 4.50E-02 . . . . . .............0.024 ... ...... .. .... . 2.64E-02 ........ .. ". + .... . ... ... 6.85E-03

............... 0.015

................................ 2.84E-02 ...... ............................. 0.01 9804-0000-0026F 669236.95 i 236206.03 3.1OE-02 0.029 3.57E-02 + -4.88E-03 0.020 3.57E-02 0.01 9 8..... .F...............

...... 6..............

3 0 2 0 .. 0 0 4 .............. 4 .E... ............................... ................................. .... .........................

9804-0000-0027F i669305.04 1236206.03 5.83E-02! 0.038 14.25E-02i 1.47E-02i 0.025 i4.59E-02 i 0.02 Page 2 of 3

FINAL STATUS SURVEY RELEASE RECORD Subsurface Soils Survey Unit 9804-0000 Preliminary Data Assessment Cs-1 37 Co-60 GPS Coordinates Fraction Sample ID Result MDA Result MDA 28Identified 2I Identified of DCGL North East (pCi/g) (pCi/g) (pCi/g) (pCi/g) 9804-0000-0028F *................................

........................................................ 669373.12 4. 236206.03 1.78E-02 t ....

................................................................ 0.025 ;................................

.........................-. 4.08E-02 . 1.55E-02 *.................................

............................... ................................ 0.026 4.24E-02 ...............................

................................ 0.01 9804-0000-0029F . ...............................

....................................................... 669339.08 1"................................

236147.07 ...............................

2.67E-02 ................................

0.026 "..:.............................

5.23E-02 ... +

i............................... 1.13E-02 .................................

................................ 0.026 !................................

5.07E-02 f............................... 0.01 9804-0000-0030F

........................................................ 669407.16 4'...............................

............................... 1 236147.07 ......................... 2.05E-02..... ...............................

0.020 4................................

4.21E-02 ................................ + -2.50E-03 ................................

................................- 0.022 3.95E-02 ........ ........................

................................ 0.00 9804-0000-0036F

.......................... 236365.25 ...............................

...................... ............................... 669149.47 ........................ 1.52E-02 . .... 0.036 .-1........3.08E-02

......................... 3.33E-03..................................

........ . . . . . . . .............. . . . . ....... ........................... 0.018 .. 3.34E-02

............. .................. .............. ............ 0.01

..9804-0000-0037F

.......................... ........ .............. ........ 236400.39 668982.88

...................... "................................ 5.16E-03 t..............................

.......................... 0.020 "................. 3.71E-02 -1.88E-02

...... ...... ........... .................... .................. 0.020 !................................

............ .................................. 3.23E-02 ............ ................. 0.00 9804-0000-0038F

................................. ....... ........... ........236355.96 1............

....................... " 669069.10.................. ......-3.12E-03

.................... "..........0.022....... ............ :;.......4.02E-02

...... ........ ........ ............. .......... ......-1.25E-021 0.027.......... 1......4.06E-02

• ........... .......... 0.00 9804-0000-0032B

............................ 236206.11 1"................................

...... ............ ..... ............................... .. 669139.23 ..................... 7.80E-03 1 0.021 3.87E-02 1.24E-02 ...........0.020

... ÷....... ............. ........ ".............. ................ i ........ ....................... ............................... 3.85E-02 ,................... ........... 0.01 9804-0000-0033B 236492.21 i 669023.32 1.15E-01 0.034 3.50E-02 + 9.66E-03 0.017 3.39E-02 0.03 9804-0000-0034B 236400.60 1 669091.16 1.41 E-02 0.034 4.29E-02 7.39E-03 0.041 4.86E-02 0.01 9804-0000-0035B 236294.04 669153.04 5.77E-02 0.049 4.70E-02 + 2.48E-02 0.026 5.19E-02 0.03 9804-0000-007FS 1 668998.66 . 236382.92 5.27E-03 0.017 3.18E-02 2.88E-03 0.020 3.79E-02 0.00 9..........................

90-0008S 669373.12 23260 5.35E-02 0.038 7.57E-02 8.21 E-03 0.035 6.75E-02 0.02 Page 3 of 3

SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD ATTACHMENT 3B (GRAPHICAL REPRESENTATION OF DATA)

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FREQUENCY PLOT FOR CESIUM- 137 Survey Unit: 9804-0000 Survey Unit Name: Southeast Site Grounds Sub-surface Soils Mean: 2.12E-02 pCi/g Frequency Plot For Cs-137 I!

8 6

I-L" 4 20 0

0ý N. A; x.'V1% ~b A$C Upper End Value (pCi/g)

Upper End Observation Observation Value Frequency Frequency

-1.02E-02 2 6%

-2.77E-03 8 26%

4.66E-03 1 3%

1.21E-02 6 19%

1.95E-02 2 6%

2.70E-02 5 16%

3.44E-02 3 10%

4.18E-02 2 6%

4.92E-02 0 0%

5.67E-02 2 6%

Total: 31 100%

Su mitted y/Date F0eview#d by/Date 1 of 1

QUANTILE PLOT FOR CESIUM-137 Survey Unit: 9804-0000 Survey Unit Name: Southeast Site Grounds Sub-surface Soils Mean: 2.12E-02 pCi/g Quantile Plot For Cs-137 8.OOE-02 7.OOE-02 6.OOE-02 I

1

- ~ 7~

~ I I -

(3 5.OOE-02 C

0

• 4.OOE-02

% 3.OOE-02 C

It U o 2.OOE-02 -I.--.-

1.00E-02 0.OOE+00 ~III 0 10 20 30 40 50 60 70 80 90 100 Percentage Cs- 137 Rank Percentage Cs- 137 Rank Percentage

-1.02E-02 1 1.6% 1.78E-02 16 50.0%

-3.12E-03 2 4.8% 1.79E-02 17 53.2%

-4.96E-04 3 8.1% 2.05E-02 18 56.5%

0.00E+00 4 11:3% 2.67E-02 19 59.7%

0.OOE+00 5 14.5% 2.82E-02 20 62.9%

0.OOE+00 6 17.7% 3.06E-02 21 66.1%

5.06E-03 7 21.0% 3.1OE-02 22 69.4%

5.16E-03 8 24.2% 3.24E-02 23 72.6%

7.46E-03 9 27.4% 3.3 1E-02 24 75.8%

7.61E-03 10 30.6% 3.55E-02 25 79.0%

1.20E-02 11 33.9% 3.69E-02 26 82.3%

1.41 E-02 12 37.1% 3.82E-02 27 85.5%

1.52E-02 13 40.3% 4.50E-02 28 88.7%

1.53E-02 14 43.5% 4.67E-02 28 88.7%

1.71 E-02 15 46.8% 5.83E-02 30 95.2%

7.43E-02 31 98.4%

.. ~ , 11,4,,

S bmitted by/ at.e R view.wd b/vate

SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD ATTACHMENT 3C (SIGN TEST)

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Connecticut Yankee Decommissioning Project GPP-GGGR-R5121-001 Attachment B, Health Physics Procedure Rev.CY-001 MAJOR Sign Test Calculation Sheet for Multiple Radionuclides Survey Area Number: 9804 Survey Unit Number: 0000 WPIR #: 2006-0043 Survey Area Name: Southeast Site Grounds Classification: A TYPE I (aerror): 0.05 N: 32 Subsurface Soils Radionuclides: 1i Radionuclide 2 nd Radionuclide Cs-137 Co-60 DCGL: 3.85E+00 2.29E+00 Results 1 st Results 2 nd Results 3 rd Results 4 th Weighted Sum 1-Ws Sign Radionuclide Radionuclide Radionuclide Radionuclide (WS)

(pCi/g) (pCi/g) (pCi/g) (pCi/g) 1.53E-02 6.09E-03 0.01 0.99 +1 3.69E-02 3.01E-03 0.01 0.99 +1 2.82E-02 8.66E-03 0.01 0.99 +1 0.OOE+00 -9.72E-03 0.00 1.00 +1 1.41E-02 5.55E-03 0.01 0.99 +1 0.OOE+00 5.36E-03 0.00 1.00 +1

-1.02E-02 -8.67E-03 -0.01 1.01 +1 5.06E-03 1.01E-02 0.01 0.99 +1 1.79E-02 -3.30E-03 0.00 1.00 +1 3.55E-02 1.20E-02 0.01 0.99 +1 3.06E-02 -9.60E-03 0.00 1.00 +1 7.46E-03 9.75E-04 0.00 1.00 +1

-4.96E-04 1.41 E-02 0.01 0.99 +1 7.61E-03 1.18E-02 0.01 0.99 +1 1.20E-02 4.OOE-03 0.00 1.00 +1 0.OOE+00 -3.92E-03 0.00 1.00 +1 3.82E-02 -1.83E-02 0.00 1.00 +1 3.31E-02 -1.38E-03 0.01 0.99 +1 3.24E-02 3.89E-02 0.03 0.97 +1 1.71E-02 9.88E-04 0.00 1.00 +1 7.43E-02 -1.48E-02 0.01 0.99 +1 4.67E-02 1.70E-02 0.02 0.98 +1 Page 1 of 2

Connecticut Yankee Decommissioning Project GPP-GGGR-R5121-001 Attachment B, Health Physics Procedure Rev.CY-001 MAJOR Results 1 st Results 2 nd Results 3 rd Results 4 th Weighted Sum 1-Ws Sign Radionuclide Radionuclide Radionuclide Radionuclide (WS)

(pCi/g) (pCi/g) (pCi/g) (pCi/g) 4.50E-02 6.85E-03 0.01 0.99 +1 3.1OE-02 -4.88E-03 0.01 0.99 +1 5.83E-02 1.47E-02 0.02 0.98 +1 1.78E-02 1.55E-02 0.01 0.99 +1 2.67E-02 1.13E-02 0.01 0.99 +1 2.05E-02 -2.50E-03 0.00 1.00 +1 1.52E-02 3.33E-03 0.01 0.99 +1 5.16E-03 -1.88E-02 -0.01 1.01 +1

-3.12E-03 -1.25E-02 -0.01 1.01 +1 Number of positive differences (S+) 31 Critical Value 20 S urvey Unit Meets the Acceptance Criteria Performed by: David Wojtkowiak Date: 12/14/2006 Independent Revie w by: Date: /

'67 /

Page 2 of 2

SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD ATTACHMENT 3D (QC SPLIT RESULTS)

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Health Physics Procedure 24265-000-GPP-GGGR-R5124-000-Rev.CY-000 Attachment A Split Sample Assessment Form Survey Area #: 9804 Survey Unit # 0000 Survey Unit Name: Southeast Site Grounds Sub-surface Soils (non-protected area)

Sample Plan or WPIR#: 2006-0043 SML#: 9804-0000-007 Sample

Description:

Comparison of split samples collected from sample measurement location #7 and analyzed using gamma spectroscopy by off-site Vendor Laboratory. The standard sample was 9804-0000-007F, the comparison sample was 9804-0000-007FS.

STANDARD COMPARISON Activity Standard Resolution Agreement Activity Standard Comparison Acceptable Radionuclide Value Error Range Value Error Ratio (Y/N)

K-40 9.17E+00 0.363 25 0.75- 1.33 8.87E+00 0.36 0.97 Y Comments/Corrective Actions: Cs-137 was not detected in sufficient Table is provided to show acceptance criteria used to quantities in the field split results at location 9804-0000-007 to evaluate assess split samples.

in accordance with procedure. Evaluation using the reported results for K-40 resulted in acceptable agreement between the field-split results at Resolution Agreement Range these locations.. Since K-40 was found to be present at an acceptable 4-7 0.5 -2.0 level of agreement, no further action is warranted. 8-15 0.6 - 1.66 16 - 50 0.75 - 1.33 51 -200 0.80 - 1.25

>200 0.85-1.18 Page I of I

Health Physics Procedure 24265-000-GPP-GGGR-R5124-000-Rev.CY-000 Attachment A Health Physics Procedure 24265-000-GPP-GGGR-R5 I 24-000-Rev.CY-000 Attachment A Split Sample Assessment Form Survey Area #: 9804 Survey Unit # 0000 Survey Unit Name: Southeast Site Grounds Sub-surface Soils (non-protected area)

Sample Plan or WPIR#: 2006-0043 SML#: 9804-0000-028 Sample

Description:

Comparison of split samples collected from sample measurement location #28 and analyzed using gamma spectroscopy by off-site Vendor Laboratory. The standard sample was 9804-0000-028F, the comparison sample was 9804-0000-028FS.

STANDARD COMPARISON Activity Standard Resolution Agreement Activity Standard Comparison Acceptable Radionuclide Value Error Range Value Error Ratio (Y/N)

K-40 1.20E+01 0.6 20 0.75- 1.33 1.27E+01 0.63 1.06 Y CommentsfCorrectlive *titons: Cs- 1i / wats not deteCteu in sulIicient I able is proviudu to show acceptance criteria useu to quantities in the field split results at location 9804-0000-028 to evaluate assess split samples.

in accordance with procedure. Evaluation using the reported results for K-40 resulted in acceptable agreement between the field-split results at Resolution Aereement Range these locations.. Since K-40 was found to be present at an acceptable 4-7 0.5 -2.0 8-15 0.6-1.66 level of agreement, no further action is warranted. 16 -50 0.75 - 1.33 51 -200 0.80 - 1.25

>200 0.85-1.18 by: IDate:

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SUBSURFACE AREA ASSOCIATED WITH THE SOUTHEAST GROUNDS SURVEY UNIT 9804-0000 RELEASE RECORD ATTACHMENT 3E (COMPASS DQA WITH POWER CURVE)

Revision 0

DQA Surface Soil Report Assessment Summary Site: 9527-0006 F Planner(s): McCarthy Survey Unit Name: East Mountainside Area Report Number: 1 Survey Unit Samples: 14 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)

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EAST MOUNTAINSIDE AREA SURVEY UNIT 9527-0006 RELEASE RECORD ATTACHMENT 4E (COMPASS DQA WITH POWER CURVE)