ML20352A247

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Response to Request for Additional Information Re Revised Final Status Survey Final Reports, S3-012-109 B Release Record, Revision 1, Final, Storm Drain 2
ML20352A247
Person / Time
Site: La Crosse  File:Dairyland Power Cooperative icon.png
Issue date: 11/02/2020
From:
La CrosseSolutions
To:
Office of Nuclear Material Safety and Safeguards
Shared Package
ML20356A041 List:
References
LC-2020-0023
Download: ML20352A247 (115)


Text

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LACROSSESOLUTIONS LA CROSSE BOILING WATER REACTOR FINAL STATUS SURVEY RELEASE RECORD STORM DRAIN 2 SURVEY UNIT S3-012-109 B REVISION 1

FSS RELEASE RECORD REVISION 1 STORM DRAIN 2 ~

SURVEY UNIT S3-012-109 B LACROSSESOLUTIONS Robert F. Yetter III Oct 25 2020 1:58 PM PREPARED BY / DATE: cosign R. F. Yetter III, FSS Specialist Mitchell Uz REVIEWED BY / DATE: ~~ Oct 27 2020 8:04 AM cosign M. D. Uz, FSS Specialist Robert F. Yetter 9wl,.e,ttg..'lj.etwt, Oct 27 2020 11:10 AM REVIEWED BY / DATE: cosign R. Yetter, Director, Radiological Site Closure Sarah Roberts Oct 27 2020 I :00 PM REVIEWED BY / DATE:

S. Roberts, VP Radiological Programs


~ ~ / t f Scott G. Zoller APPROVED BY / DATE:

,.::1-c.dft.p c:..___ .,..

,,,1/~p..,___ Oct 29 2020 9:42 AM cosign S. Zoller, FSS Manager 1

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SURVEY UNIT S3-012-109 B LACROSSESOLUTIONS TABLE OF CONTENTS

1. EXECUTIVE

SUMMARY

................................................................................................................................. 5

2. SURVEY UNIT DESCRIPTION ....................................................................................................................... 5
3. CLASSIFICATION BASIS................................................................................................................................. 5
4. DATA QUALITY OBJECTIVES ...................................................................................................................... 6
5. SURVEY DESIGN ............................................................................................................................................... 9
6. SURVEY IMPLEMENTATION ...................................................................................................................... 13
7. SURVEY RESULTS .......................................................................................................................................... 14
8. QUALITY CONTROL ...................................................................................................................................... 16
9. INVESTIGATIONS AND RESULTS .............................................................................................................. 16
10. REMEDIATION AND RESULTS ................................................................................................................... 16
11. CHANGES FROM THE FINAL STATUS SURVEY PLAN ........................................................................ 16
12. DATA QUALITY ASSESSMENT ................................................................................................................... 17
13. ANOMALIES ..................................................................................................................................................... 17
14. CONCLUSION .................................................................................................................................................. 17
15. REFERENCES................................................................................................................................................... 17
16. ATTACHMENTS .............................................................................................................................................. 18 ATTACHMENT 1 FIGURES AND MAPS ............................................................................................................. 19 ATTACHMENT 2 MEASUREMENT DATA .......................................................................................................... 21 ATTACHMENT 3 SIGN TEST ............................................................................................................................... 25 ATTACHMENT 4 QUALITY CONTROL ASSESSMENT ...................................................................................... 28 ATTACHMENT 5 GRAPHICAL PRESENTATIONS ............................................................................................. 30 ATTACHMENT 6 SAMPLE ANALYTICAL REPORTS ......................................................................................... 34 ATTACHMENT 7 GEL LABORATORIES REPORTS ........................................................................................... 54 2

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SURVEY UNIT S3-012-109 B LACROSSESOLUTIONS LIST OF TABLES Table 4 Dose Significant Radionuclides and Mixture for Buried Pipe ............................................................... 7 Table 4 Base Case DCGLs for Buried Pipe Group .............................................................................................. 8 Table 4 Operational DCGLs for Buried Pipe Group ........................................................................................... 9 Table 5-1 Soil/Buried Pipe Surrogate Ratio ............................................................................................................ 9 Table 5-2 Investigation Levels ................................................................................................................................ 12 Table 5-3 Synopsis of Survey Design...................................................................................................................... 12 Table 7 Summary of Systematic, Judgmental, and QC Measurements ........................................................... 15 Table 7 Basic Statistical Properties of the Systematic Measurement Population ............................................ 15 Table 16-1 Survey Unit S3-012-109 B Static Measurements Data Assessment .................................................. 22 Table 16-2 Survey Unit S3-012-109 B Sign Test ................................................................................................... 26 Table 16-3 Survey Unit S3-012-109 B QC Assessment ......................................................................................... 29 LIST OF FIGURES Figure 16-1 Survey Unit S3-012-109 B Drawing ................................................................................................... 20 Figure 16 Quantile Plot for Gross Gamma Activity .......................................................................................... 31 Figure 16 Histogram for Gross Gamma Activity ............................................................................................... 32 Figure 16 Retrospective Power Curve for Survey Unit S3-012-109 B .............................................................. 33 3

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SURVEY UNIT S3-012-109 B LACROSSESOLUTIONS LIST OF ACRONYMS AND ABBREVIATIONS ALARA As Low As Reasonably Achievable CWD Circulating Water Discharge DQO Data Quality Objective DCGL Derived Concentration Guideline Level DCGLBP Buried Pipe Base Case Derived Concentration Guideline Level FSS Final Status Survey HSA Historical Site Assessment IC Insignificant Contributors ID Internal Diameter LACBWR La Crosse Boiling Water Reactor LTP License Termination Plan LPSW Low Pressure Service Water MARSSIM Multi-Agency Radiation Survey and Site Investigation Manual MCNP Monte Carlo Neutral Particle MDC Minimum Detectable Concentration NaI Sodium Iodide OpDCGLBP Buried Pipe Operational Derived Concentration Guideline Level QAPP Quality Assurance Project Plan QC Quality Control ROC Radionuclides of Concern SD2 Storm Drain 2 SOF Sum of Fractions TEDE Total Effective Dose Equivalent TSD Technical Support Document UCL Upper Confidence Limit 4

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SURVEY UNIT S3-012-109 B LACROSSESOLUTIONS

1. EXECUTIVE

SUMMARY

This Final Status Survey (FSS) Release Record for survey unit S3-012-109 B, Storm Drain 2 (SD2), has been generated in accordance with LaCrosseSolutions procedure LC-FS-PR-009, Final Status Survey Data Reporting (Reference 1) and satisfies the requirements of Section 5.11 of the La Crosse Boiling Water Reactor License Termination Plan (LACBWR LTP) (Reference 2).

An FSS sample plan for this survey unit was developed in accordance with LaCrosseSolutions procedures LC-FS-PR-002, Final Status Survey Package Development (Reference 3) and LC-FS-PR-018, Radiation Surveys of Pipe Interiors Using Sodium/Cesium Iodide Detectors (Reference 4) the LACBWR LTP, and with guidance from NUREG-1575, Multi-Agency Radiation Survey and Site Investigation Manual (MARSSIM)

(Reference 5).

Survey unit S3-012-109 B has a MARSSIM classification of 3. A survey plan was designed based upon use of the Sign Test as the nonparametric statistical test for compliance. Both the Type I (a) and Type II ( ) decision error rates were set at 0.05. As a systematic measurement population, sixty (60) static gamma measurements were acquired from the survey unit. The data assessment results for survey unit S3-012-109 B indicate that the maximum Sum of Fractions (SOF), considering the concentration of all applicable Radionuclides of Concern (ROC) either by direct measurement or by inference, is equal to 0.1254 when applying the respective Operational Derived Concentration Guideline Levels (OpDCGLBP) for buried pipe. The mean SOF when applying the respective Base Case DCGLs (DCGLBP) is 0.0213. This SOF equates to a dose for the survey unit of 0.5317 mrem/yr.

2. SURVEY UNIT DESCRIPTION S3-012-109 B is an impacted Class 3 buried pipe survey unit. The survey unit consists of the interior surface of the SD2 pipe, which is 48 " Internal Diameter (ID) concrete pipe that runs approximately 624 . The interior surface area of the SD2 Pipe is 728.51 m2 (7,285,097.01 cm2). Refer to Attachment 1 of this report for figures and maps depicting survey unit S3-012-109 B.
3. CLASSIFICATION BASIS Based on the La Crosse Boiling Water Reactor Historical Site Assessment (HSA)

(Reference 6), the SD2 pipe was identified as a Class 3 system.

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SURVEY UNIT S3-012-109 B LACROSSESOLUTIONS Based upon review of the historical information and completion of a final Survey Unit Classification Worksheet from LC-FS-PR-006, Survey Unit Classification (Reference 7),

the correct final classification of survey unit S3-012-109 B was determined to be Class 3.

4. DATA QUALITY OBJECTIVES FSS planning and design relies on a properly executed Data Quality Objective (DQO) process to ensure, through compliance with explicitly defined inputs and boundaries, that the primary objective of the survey is satisfied. The DQO process is described in the LACBWR LTP in accordance with MARSSIM. The appropriate design for a given survey was developed using the DQO process as outlined in Appendix D of MARSSIM.

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

The primary objective of the FSS sample plan is to demonstrate that the level of residual radioactivity in survey unit S3-012-109 B 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).

EnergySolutions Technical Support Document (TSD) RS-TD-313196-001, Radionuclides of Concern during LACBWR Decommissioning (Reference 8) established the basis for an initial suite of potential ROC for decommissioning. Insignificant contributors (IC) were determined consistent with the guidance contained in Section 3.3 of NUREG-1757, Volume 2, Revision 1, Consolidated Decommissioning Guidance Characterization, Survey, and Determination of Radiological Criteria, Final Report (Reference 9). In all soil and concrete scenarios, Cs-137, Co-60, Sr-90, Eu-152 and Eu-154 contribute nearly 100% of the total dose. The remaining radionuclides were designated as IC and are eliminated from further detailed evaluation. Therefore, the final ROCs for LACBWR soil, basement concrete, and buried piping are Cs-137, Co-60, Sr-90, Eu-152 and Eu-154.

LTP, Section 6.14.1 discusses the process used to derive the ROC for the decommissioning of LACBWR, including the elimination of IC from the initial suite. Table 4-1 presents the 6

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SURVEY UNIT S3-012-109 B LACROSSESOLUTIONS ROC for the decommissioning of buried pipe at LACBWR and the normalized mixture fractions based on the radionuclide mixture.

Table 4 Dose Significant Radionuclides and Mixture for Buried Pipe Fraction of Total Activity Radionuclide (normalized)(1)

Co-60 0.064 Sr-90 0.098 Cs-137 0.829 Eu-152 0.005 Eu-154 0.003 (1) Based on maximum percent of total activity from Table 22 of RS-TD-313196-001, normalized to one for the dose significant radionuclides.

The LTP, Section 5.2, states that each radionuclide-specific Base Case DCGL is equivalent to the level of residual radioactivity (above background levels) that could, when considered independently, result in a Total Effective Dose Equivalent (TEDE) of 25 mrem/yr to an Average Member of the Critical Group. To ensure that the summation of dose from each source term is 25 mrem/yr or less after all FSS is completed, the Base Case DCGLs are reduced based on an expected, or a priori, fraction of the 25 mrem/yr dose limit from each source term. The reduced DCGLs, or "Operational" DCGLs, can be related to the Base Case DCGLs as an expected fraction of dose based on an a priori assessment of what the expected dose should be based on the results of site characterization, process knowledge, and the extent of planned remediation. The Operational DCGL is then used as the DCGL for the FSS design of the survey unit (i.e., calculation of surrogate DCGLs and investigations levels). Details of the Operational DCGLs derived for each dose component and the basis for the applied a priori dose fractions are provided in LC-FS-TSD-002, Operational Derived Concentration Guideline Levels for Final Status Survey (Reference 10).

The dose contribution from each ROC is accounted for using the SOF to ensure that the total dose from all ROC does not exceed the dose criterion. A Base Case DCGL that is established for the average residual radioactivity in a survey unit is equivalent to a DCGL W.

The DCGLW can be multiplied by Area Factors to obtain a Base Case DCGL that represents the same dose to an individual for residual radioactivity over a smaller area within a survey unit.

At LACBWR, compliance is demonstrated through the summation of dose from five (5) distinct source terms for the end state (basements, soils, buried pipe, above-ground structures, and groundwater). When applied to buried pipe, the DCGLs are expressed in units of activity per surface area (dpm/100 cm 2).

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SURVEY UNIT S3-012-109 B LACROSSESOLUTIONS Buried piping is defined as below ground pipe located outside of structures and basements.

The dose assessment methods and resulting DCGLs for buried piping are described in detail in LTP, Section 6.20. The buried piping was separated into two categories. The first category included the summation and grouping of all impacted buried pipe other than the Circulating Water Discharge (CWD) Pipe and is designated as the "Buried Pipe Group."

The second category consisted of the CWD Pipe only. The separation of the Circulating Water pipe was necessary because the geometry of the CWD pipe was significantly different than the other pipes, and the pipes are located in distinctly different parts of the site.

EnergySolutions TSD RS-TD-313196-004, LACBWR Soil DCGL, Basement Concrete DCGL, and Buried Pipe DCGL (Reference 11) and LTP, Section 6.20, provide the exposure scenarios and modeling parameters that were used to calculate the site-specific buried pipe DCGLs. The final DCGLs to be used during FSS account for the fact that the dose from the In Situ and Excavation scenarios must be summed in the conceptual model for buried pipe dose assessment (i.e., the In Situ and Excavation scenarios occur in parallel). The summed Buried Pipe Base Case DCGLs are reproduced in Table 4-2 below. The IC dose percentages for each of the buried pipe scenarios were used to adjust each buried pipe Base Case DCGL to account for the dose from the eliminated IC radionuclides. The Operational DCGLs for the SD2 Pipe are provided in Table 4-3.

Table 4 Base Case DCGLs for Buried Pipe Group DCGLBP Radionuclide (dpm/100 cm2)

Co-60 7.50E+04 Sr-90 5.16E+05 Cs-137 3.18E+05 Eu-152 1.64E+05 Eu-154 1.52E+05 8

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SURVEY UNIT S3-012-109 B LACROSSESOLUTIONS Table 4 Operational DCGLs for Buried Pipe Group OpDCGLBP Radionuclide (dpm/100 cm2)

Co-60 1.57E+04 Sr-90 1.08E+05 Cs-137 6.68E+04 Eu-152 3.44E+04 Eu-154 3.20E+04 Instrument DQOs included a verification of the ability of the survey instrument to detect the radiation(s) of interest relative to the Operational DCGL. Survey instrument response checks were required prior to issuance and after the instrument had been used. Control and accountability of survey instruments was required to assure the quality and prevent the loss of data.

In accordance with the LTP, the minimum acceptable MDC for measurements obtained using field instruments was 50% of the applicable Operational DCGL.

5. SURVEY DESIGN The level of effort associated with planning a survey is based on the complexity of the survey unit and nature of the hazards. Guidance for preparing FSS plans is provided in procedure LC-FS-PR-002, Final Status Survey Package Development.

The DQO process validated that Co-60, Sr-90, Cs-137, Eu-152, and Eu-154 would be the ROC in survey unit S3-012-109 B as presented in LTP Section 5.1. During the data analysis of the FSS results, concentrations for the HTD ROC Sr-90 are inferred using a surrogate approach. Cs-137 is the principle surrogate radionuclide for Sr-90. During characterization, both Sr-90 and Cs-137 was positively detected in all thirty (30) concrete core samples assessed in the Reactor Building, Tunnel, and Waste Treatment Building. The 95% Upper Confidence Limit (UCL) of the Cs-137 fractions was chosen to represent the overall nuclide mix for soils/buried pipe, the Reactor Building, and the Waste Gas Tank Vault. The surrogate ratio for soil/buried pipe is given in Table 5-1.

Table 5-1 Soil/Buried Pipe Surrogate Ratio Radionuclides Ratio Sr-90/Cs-137 0.502 The equation for calculating a surrogate DCGL is as follows:

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SURVEY UNIT S3-012-109 B LACROSSESOLUTIONS Equation 1 Where: DCGLSur = Surrogate radionuclide DCGL DCGL2,3 ... n = DCGL for radionuclides to be represented by the surrogate Rn = Ratio of concentration (or nuclide mixture fraction) of radionuclide "n" to surrogate radionuclide Using the Operational DCGLs presented in Table 4-3 and the ratio from Table 5-1, the following surrogate calculation was performed:

Equation 2 1

Surrogatevcci (cs-137) = [( 1 ) ( o 502 )]

6.68£ + 04(cs-l37) + 1.08£ + 0S(sr-90)

= 5.l0E + 04 dpm/100 cm 2 The surrogate Operational DCGL for Cs-137 is then used in the calculation of the gross gamma Operational DCGL, as calculated in Equation 3.

Equation 3 SurrogatevcGL (gamma) 1

[( 0.071 ) +( 0.919 ) +( 0.006 ) +( 0.003 )]

1.57£ + 04(co-60) 5.10£ + 04cs-137 3.44£ + 04(Eu-152) 3.20£ + 04(Eu-154)

= 4.37E + 04 dpm/100 cm 2 The action level for survey unit S3-012-109 B was equivalent to the calculated gross gamma Operational DCGL of 4.37E+04 dpm/100 cm 2.

For the survey of interior pipe surfaces, areal coverage is achieved by the "area of detection" for each static measurement collected. Scanning, in the traditional context, is not applicable to the survey of pipe internal surfaces. For the survey of the SD2 Pipe, the detector was erroneously calibrated for a specific geometry of a 3,050 cm 2 (1 ft x 1 m) area of contamination on the bottom of the pipe, resulting in inaccurate detector efficiencies and inaccurate calculations for activity per area. TSD LC-FS-TSD-005, MCNP Modeling of Water Discharge Pipes for the LaCrosse Boiling Water Reactor (Reference 12) was written 10

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SURVEY UNIT S3-012-109 B LACROSSESOLUTIONS to address the discrepancy in efficiency and area of detection. The TSD details the Monte Carlo Neutral Particle (MCNP) radiation transport code that modeled the response of a NaI detector to a calibration source for several different pipe sizes. The MCNP models resulted in efficiency correction factors. The calculated efficiency from original source calibration can be multiplied by the correction factors to obtain an efficiency that more realistically portrays the specific contamination geometry of the pipe. For a 48 " ID pipe, each measurement has a true Field-of-View (FOV) of 11,674.5 cm 2.

The SD2 pipe contains 624 linear feet of 48"ID concrete piping, which equates to a surface area of 728.51 m2 (7,285,097.01 cm2). For survey unit S3-012-109 B, 10% survey coverage was selected. Therefore, one (1) measurement was to be collected every ten (10) linear feet traversed through the pipe, for a total of at least sixty-two (62) distinct measurements over the entire accessible pathway of the piping system. The last twenty feet was inaccessible due to sediment and river levels which resulted in a systematic population of sixty (60) distinct measurements.

Each static measurement represents the gamma activity in gross counts per minute (cpm) for each specific measurement location. Background is subtracted, then the value is converted to dpm using an efficiency factor based on the calibration source and the efficiency correction factors detailed in TSD LC-FS-TSD-005, MCNP Modeling of Water Discharge Pipes for the LaCrosse Boiling Water Reactor. The total activity in dpm is then adjusted for the assumed effective surface area commensurate with the pipe diameter, resulting in units of dpm/100 cm2. The total gamma surface activity for each measurement was converted to an activity concentration for each gamma-emitting ROC, based on the normalized gamma mixture from Table 4-1. Concentrations for the HTD ROC Sr-90 were inferred using the surrogate approach in accordance with LTP Chapter 5.

The implementation of quality control measures as referenced by LTP, Section 5.9 and LaCrosseSolutions LC-QA-PN-001, Final Status Survey Quality Assurance Project Plan (QAPP) (Reference 13) includes the collection of replicate static measurements on 5% of the systematic measurements collected in the survey unit, with the locations selected at random. Four (4) replicate static measurements were selected for Quality Control (QC) analysis for the FSS of this survey unit.

For this Class 3 buried pipe survey unit, the "Investigation Levels" for measurement results are those levels specified in LTP Chapter 5, Table 5-16, and are reproduced below in Table 5-2.

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SURVEY UNIT S3-012-109 B LACROSSESOLUTIONS Table 5-2 Investigation Levels Direct Investigation Classification Scan Investigation Levels Levels

> Operational DCGL or >MDC scan if Class 3 MDCscan is greater than Operational > 0.5 Operational DCGL DCGL Table 5-3 provides a synopsis of the survey design for survey unit S3-012-109 B.

Table 5-3 Synopsis of Survey Design Feature Design Criteria Basis Survey Unit Surface 624 'of 48"diameter 728.51 m2 (7,285,097.01 cm2)

Area concrete pipe 62 10% coverage (per sample plan)

Number of Systematic 60 9.62% coverage Measurements (N) (actual number obtained as approximately 20' of pipe was inaccessible)

  • Co-60: 1.57E+04
  • Sr-90: 1.08E+05 Operational DCGLs for Operational DCGLs buried pipe,
  • Cs-137: 6.68E+04 (dpm/100 cm2) LTP, Table 5-8, Release
  • Eu-152: 3.44E+04 Record, Table 4-3
  • Eu-154: 3.20E+04 4.37E+04 dpm/100 cm2 Gross Gamma Operational Action Level DCGL, Equation 3 Investigation Level > 0.5 Operational DCGL LTP, Table 5-16 Scan Areal Coverage N/A LTP ,Section 5.7.1.8 Number of Judgmental 1 Per Sample Plan Measurements QC 4 replicate measurements LTP, Section 5.9 12

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SURVEY UNIT S3-012-109 B LACROSSESOLUTIONS Feature Design Criteria Basis Non-parametric Sign Test LTP, Section 5.6.4.2 Statistical Test

6. SURVEY IMPLEMENTATION FSS field activities were conducted under the FSS sample plan, which included DQOs, survey design, detailed FSS instructions, job safety analysis, and related procedures for reference. The survey unit was inspected and controlled in accordance with LC-FS-PR-010, Isolation and Control for Final Status Survey (Reference 14). A "Field Log" was used to document field activities and other information pertaining to the performance of the FSS.

FSS field activities commenced on August 14, 2019.

FSS field activities were projected to take four (4) working days to complete. Daily briefings were conducted to discuss the expectations for job performance and to review safety aspects of the job. The survey-required field activities were performed during normal working hours and concluded on August 21, 2019. The survey took longer than planned due to the amount of sediment that had to be removed in order to perform the survey.

Background measurements were acquired in the North Yard area of the site. A background study was performed by collecting measurements on a buried piece of 48"ID concrete pipe.

As a result of the background study, an average background value of 6,541 cpm was assigned to the 48"ID concrete pipe. This is the value subtracted from each measurement for compliance.

Daily, prior to and following use, each detector was subjected to an Operational Response Check in accordance with procedure LC-FS-PR-018, Radiation Surveys of Pipe Interiors Using Sodium/Cesium Iodide Detectors. The Daily Operational Response Check compared the background response and the response to check source ranges established for normal background and detector source response to ensure that the detector was working properly.

The survey design called for sixty-two (62) measurements but the last twenty feet of SD2 was inaccessible due to sediment and river levels; this resulted in a systematic population of sixty (60) distinct measurements. Although fewer measurements were taken, the scan coverage of 9.62% is within the scan requirement for a Class 3 survey unit.

The sixty (60) systematic 1-minute static measurements were collected using a Ludlum Model 2350-1 paired with a Model 44-10 NaI detector operated in the rate-meter mode and using audio response. The detector was fitted into a wheeled rig, which maintained a fixed detector geometry, an area of detection of 11,674.5 cm2. The static MDC was sufficient to detect residual radioactivity at the action level (adjusted gross gamma Operational DCGL of 4.37E+04 dpm/100 cm2). Complete measurement results are provided in Attachment 2.

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SURVEY UNIT S3-012-109 B LACROSSESOLUTIONS One (1) judgmental static measurement was collected during implementation of FSS, in accordance with the sample plan, due to discoloration of the concrete.

The implementation of survey specific QC measures included the collection of four (4) replicate static measurements for QC analysis.

Three (3) sediment samples were taken as part of the FSS of SD2 and all three were sent to the off-site laboratory for Sr-90 analyses.

7. SURVEY RESULTS The SOF 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 equation for the unity rule is:

Equation 4 Ci + C2 +............ Cn :s; l DCGLi DCGL2 DCGLn Where: Cn = concentration of radionuclide n DCGLn = DCGL of radionuclide n.

The application of the unity rule serves to normalize the data to allow for an accurate comparison of the various data measurements to the release criteria. When the unity rule is applied, the DCGLW (used for the nonparametric statistical test) becomes one (1). The DCGLBP are directly analogous to the DCGLW as defined in MARSSIM. The use and application of the unity rule was performed in accordance with section 4.3.3 of MARSSIM.

As described in LTP, Section 5.10.3.2, the Sign Test was used to evaluate the measured residual radioactivity against the dose criterion. The SOF for each measurement was used as the sum value for the Sign Test. The Sign Test then demonstrated that the mean activity for each ROC was less than the OpDCGLBP at a Type I decision error of 0.05. The results of the Sign Test are presented in Attachment 3.

For buried pipe, areas of elevated activity were defined as any area identified by measurement (systematic or judgmental) that exceeded the OpDCGL BP but was less than the DCGLBP. The SOF (based on the OpDCGLB) for a systematic or judgmental measurement can exceed one (1) without remediation as long as the survey unit passes the Sign Test, and the mean SOF (based on the OpDCGLBP) for the survey unit does not exceed one (1). Once the survey data set passes the Sign Test (using Operational DCGLs), then the mean radionuclide activity for each ROC from systematic measurements along with any identified elevated areas from systematic and judgmental samples can be used with the Base 14

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SURVEY UNIT S3-012-109 B LACROSSESOLUTIONS Case DCGLs to perform a mean SOFBP calculation. The dose from residual radioactivity assigned to the FSS unit is the mean SOFBP multiplied by 25 mrem/yr.

The systematic measurement population consisted of sixty (60) static measurements that were acquired using the Ludlum Model 2350-1 paired to a Model 44-10 detector. In total, sixty-five (65) static measurements were collected, including the systematic, judgmental, and QC measurements. A breakdown of the total static measurements and SOF for systematic measurements compared to the OpDCGLBP is provided in Table 7-1. A summary of the results of the systematic measurements taken for non-parametric statistical testing when compared to the DCGLBP is provided in Table 7-2. The complete results of the data assessment for survey unit S3-012-109 B are provided in Attachment 2.

Table 7 Summary of Systematic, Judgmental, and QC Measurements Total Number of Systematic Measurements 60 Number of Quality Control Measurements 4 Number of Judgmental Measurements 1 Total Number of Measurements 65 Mean Systematic Measurement SOF (1) 0.1014 Max Individual Systematic Measurement SOF (1) 0.1254 Number of Systematic Measurements with SOF > 1 (1) 0 Number of Judgmental Measurements with SOF > 1 (1) 0 (1) Based on the OpDCGL BP Table 7 Basic Statistical Properties of the Systematic Measurement Population Mean Median Max. Min. Std. Dev. BcDCGL Avg.

Avg. Dose BcSOF ROC (dpm/ (dpm/ (dpm/ (dpm/ (dpm/ (dpm/ per ROC per 100cm2) 100cm2) 100cm2) 100cm2) 100cm2) 100cm2) (mrem/yr)

ROC Co-60 3.17E+02 3.30E+02 3.92E+02 2.29E+02 5.06E+01 7.50E+04 0.0042 0.1056 Cs-137 4.08E+03 4.25E+03 5.04E+03 2.95E+03 6.51E+02 3.18E+05 0.0128 0.3206 Eu-152 2.70E+01 2.81E+01 3.34E+01 1.95E+01 4.31E+00 1.64E+05 0.0002 0.0041 Eu-154 1.38E+01 1.44E+01 1.71E+01 9.99E+00 2.21E+00 1.52E+05 0.0001 0.0023 Sr-90 2.05E+03 2.13E+03 2.53E+03 1.48E+03 3.27E+02 5.16E+05 0.0040 0.0992 The on-site gamma analysis of the three (3) sediment samples shows that one sample was above MDC for Cs-137, at a concentration of 5.08E-02 pCi/g. No other ROC were detected in any of the sediment samples. The on-site analytical reports are provided in Attachment 6.

The off-site laboratory, GEL Laboratories, analyzed the three (3) sediment samples (S3-012-109B-FJGS-062-SM, S3-012-109B-FJGS-063-SM, and S3-012-109B-FJGS-064-SM) for the full suite of radionuclides. Only Cs-137 was identified in the off-site samples, at a maximum concentration of 4.97E-02 pCi/g. The maximum IC dose calculated for the 15

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SURVEY UNIT S3-012-109 B LACROSSESOLUTIONS samples is 0.0791 mrem/yr, which is below the 2.5 mrem/yr limit provided in the LTP for DCGL adjustment. The GEL Laboratories report for the full-suite radionuclide analysis of the sediment samples is provided in Attachment 7.

The mean SOF for the SD2 pipe, based on the mean concentration for each ROC as measured by the systematic measurement population when compared against the DCGL BP, is 0.0213. This SOF equates to a dose of 0.5317 mrem/yr.

8. QUALITY CONTROL The implementation of survey specific QC measures included the collection of four (4) replicate static measurements for QC analysis. The acceptance criteria for replicate static measurements is that the same conclusion is reached for each measurement. This is defined as the replicate measurement being within 20% of the standard measurement. In cases where the replicate measurement is not within 20% of the standard measurement, but both measurements are below the Operational DCGL, there is an acceptable agreement. The four (4) QC replicate measurement fell within the 20% criteria, and there is an acceptable agreement between standard and replicate results. Refer to Attachment 4 for QC analysis results.
9. INVESTIGATIONS AND RESULTS No investigations were performed during the performance or analyses of the survey.
10. REMEDIATION AND RESULTS No radiological remedial action as described by MARSSIM Section 5.4 was performed in this survey unit. Chapter 4 of the LTP determined that remediation beyond that required to meet the release criteria is unnecessary and that the remaining residual radioactivity in buried pipe was ALARA.
11. CHANGES FROM THE FINAL STATUS SURVEY PLAN TSD LC-FS-TSD-005, MCNP Modeling of Water Discharge Pipes for the LaCrosse Boiling Water Reactor, was developed in response to the inaccurate efficiency calibration geometry originally assumed in the sample plan and during survey implementation.

The survey design called for sixty-two (62) measurements but the last twenty feet of SD2 was inaccessible due to sediment and river levels; this resulted in a systematic population of sixty (60) distinct measurements. Although fewer measurements were taken, the scan coverage of 9.62% is within the scan requirement for a Class 3 survey unit.

16

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SURVEY UNIT S3-012-109 B LACROSSESOLUTIONS

12. DATA QUALITY ASSESSMENT The DQO survey design and data were reviewed in accordance with LC-FS-PR-008, Final Status Survey Data Assessment (Reference 15) for completeness and consistency.

Documentation was complete and legible. Surveys were consistent with the DQOs and were sufficient to ensure that the survey unit was properly designated as Class 3. The survey design had adequate power as indicated by the Retrospective Power Curve (see Attachment 5).

All measurements were less than a SOF of one (1) when compared to the OpDCGLBP.

The Sign Test was performed on the data and compared to the original assumptions of the DQOs. The evaluation of the Sign Test results clearly demonstrates that the survey unit passes the unrestricted release criteria, thus, the null hypothesis is rejected.

The preliminary data review consisted of calculating basic statistical quantities (e.g., mean, median, standard deviation). All data was considered valid including negative values, zeros, values reported below the MDC, and values with uncertainties that exceeded two standard deviations. The mean and median values for each ROC were well below the respective Operational DCGLs. Also, the retrospective power curve shows that a sufficient number of measurements were collected to achieve the desired power. Therefore, the survey unit meets the unrestricted release criteria with adequate power as required by the DQOs.

13. ANOMALIES No anomalies were observed during the performance or analyses of the survey.
14. CONCLUSION Survey unit S3-012-109 B has met the DQOs of the FSS plan. The ALARA criteria as specified in Chapter 4 of the LTP were achieved.

The sample data passed the Sign Test. The null hypothesis was rejected. The Retrospective Power Curve showed that adequate power was achieved. The survey unit is properly classified as Class 3. Therefore, in accordance with LTP Section 5.11, the survey unit meets the release criteria.

The dose contribution from survey unit S3-012-109 B is 0.5317 mrem/yr TEDE, based on the average concentration of the ROC in measurements used for non-parametric statistical testing (mean SOF).

Survey unit S3-012-109 B is acceptable for unrestricted release.

15. REFERENCES 17

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SURVEY UNIT S3-012-109 B LACROSSESOLUTIONS

1. LC-FS-PR-009, Final Status Survey Data Reporting
2. La Crosse Boiling Water Reactor License Termination Plan
3. LC-FS-PR-002, Final Status Survey Package Development
4. LC-FS-PR-018, Radiation Surveys of Pipe Interiors Using Sodium/Cesium Iodide Detectors
5. NUREG-1575, Revision 1, Multi-Agency Radiation Survey and Site Investigation Manual
6. La Crosse Boiling Water Reactor Historical Site Assessment
7. LC-FS-PR-006, Survey Unit Classification
8. RS-TD-313196-001, Radionuclides of Concern during LACBWR Decommissioning
9. NUREG-1757, Volume 2, Revision 1, Consolidated Decommissioning Guidance Characterization, Survey, and Determination of Radiological Criteria, Final Report
10. LC-FS-TSD-002, Operational Derived Concentration Guideline Levels for Final Status Survey DCGL
11. RS-TD-313196-004, LACBWR Soil DCGL, Basement Concrete DCGL, and Buried Pipe
12. LC-FS-TSD-005, MCNP Modeling of Water Discharge Pipes for the LaCrosse Boiling Water Reactor
13. LC-QA-PN-001, Final Status Survey Quality Assurance Project Plan
14. LC-FS-PR-010, Isolation and Control for Final Status Survey
15. LC-FS-PR-008, Final Status Survey Data Assessment
16. ATTACHMENTS Attachment 1 Figures and Maps Attachment 2 Measurement Data Attachment 3 Sign Test Attachment 4 Quality Control Assessment Attachment 5 Graphical Presentations Attachment 6 Sample Analytical Reports Attachment 7 GEL Laboratories Analytical Reports 18

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SURVEY UNIT S3-012-109 B LACROSSESOLUTIONS ATTACHMENT 1 FIGURES AND MAPS 19

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SURVEY UNIT S3-012-109 B LACROSSESOLUTIONS Figure 16-1 Survey Unit S3-012-109 B Drawing Legend Buildings Storm Drain Pipes Other Piping

~

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SURVEY UNIT S3-012-109 B LACROSSESOLUTIONS ATTACHMENT 2 MEASUREMENT DATA 21

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SURVEY UNIT S3-012-109 B LACROSSE SOLUTIONS Table 16-1 Survey Unit S3-012-109 B Static Measurements Data Assessment Gamma Activity1 (dpm/100 cm2) Fraction of OpDCGL Measurement Measurement Result Measurement Population ID OpSOF dpm/100 cm2 Co-60 Cs-137 Eu-152 Eu-154 Sr-90 Co-60 Cs-137 Eu-152 Eu-154 Sr-90 S 1 3439 2.46E+02 3.16E+03 2.09E+01 1.07E+01 1.59E+03 0.0156 0.0473 0.0006 0.0003 0.0147 0.0786 S 2 5193 3.71E+02 4.77E+03 3.16E+01 1.62E+01 2.40E+03 0.0236 0.0715 0.0009 0.0005 0.0222 0.1187 S 3 4996 3.57E+02 4.59E+03 3.04E+01 1.56E+01 2.31E+03 0.0227 0.0688 0.0009 0.0005 0.0214 0.1142 S 4 5044 3.60E+02 4.64E+03 3.07E+01 1.57E+01 2.33E+03 0.0229 0.0694 0.0009 0.0005 0.0216 0.1153 S 5 5485 3.92E+02 5.04E+03 3.34E+01 1.71E+01 2.53E+03 0.0250 0.0755 0.0010 0.0005 0.0234 0.1254 S 6 4805 3.43E+02 4.42E+03 2.93E+01 1.50E+01 2.22E+03 0.0219 0.0661 0.0009 0.0005 0.0205 0.1098 S 7 4612 3.29E+02 4.24E+03 2.81E+01 1.44E+01 2.13E+03 0.0210 0.0635 0.0008 0.0004 0.0197 0.1054 S 8 5368 3.83E+02 4.94E+03 3.27E+01 1.67E+01 2.48E+03 0.0244 0.0739 0.0010 0.0005 0.0229 0.1227 S 9 4634 3.31E+02 4.26E+03 2.82E+01 1.44E+01 2.14E+03 0.0211 0.0638 0.0008 0.0005 0.0198 0.1059 S 10 5087 3.63E+02 4.68E+03 3.10E+01 1.59E+01 2.35E+03 0.0231 0.0700 0.0009 0.0005 0.0217 0.1163 S 11 5133 3.67E+02 4.72E+03 3.13E+01 1.60E+01 2.37E+03 0.0233 0.0706 0.0009 0.0005 0.0219 0.1173 S 12 5278 3.77E+02 4.85E+03 3.21E+01 1.64E+01 2.44E+03 0.0240 0.0726 0.0009 0.0005 0.0226 0.1206 S 13 5354 3.82E+02 4.92E+03 3.26E+01 1.67E+01 2.47E+03 0.0244 0.0737 0.0009 0.0005 0.0229 0.1224 S 14 4837 3.45E+02 4.45E+03 2.95E+01 1.51E+01 2.23E+03 0.0220 0.0666 0.0009 0.0005 0.0207 0.1106 S 15 5175 3.70E+02 4.76E+03 3.15E+01 1.61E+01 2.39E+03 0.0235 0.0712 0.0009 0.0005 0.0221 0.1183 S 16 5296 3.78E+02 4.87E+03 3.22E+01 1.65E+01 2.44E+03 0.0241 0.0729 0.0009 0.0005 0.0226 0.1211 S 17 5153 3.68E+02 4.74E+03 3.14E+01 1.61E+01 2.38E+03 0.0234 0.0709 0.0009 0.0005 0.0220 0.1178 S 18 4954 3.54E+02 4.55E+03 3.02E+01 1.54E+01 2.29E+03 0.0225 0.0682 0.0009 0.0005 0.0212 0.1132 S 19 5483 3.92E+02 5.04E+03 3.34E+01 1.71E+01 2.53E+03 0.0249 0.0755 0.0010 0.0005 0.0234 0.1253 S 20 4733 3.38E+02 4.35E+03 2.88E+01 1.47E+01 2.18E+03 0.0215 0.0651 0.0008 0.0005 0.0202 0.1082 S 21 4803 3.43E+02 4.42E+03 2.92E+01 1.50E+01 2.22E+03 0.0218 0.0661 0.0009 0.0005 0.0205 0.1098 S 22 5449 3.89E+02 5.01E+03 3.32E+01 1.70E+01 2.51E+03 0.0248 0.0750 0.0010 0.0005 0.0233 0.1246 S 23 4924 3.52E+02 4.53E+03 3.00E+01 1.53E+01 2.27E+03 0.0224 0.0678 0.0009 0.0005 0.0210 0.1126 22

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SURVEY UNIT S3-012-109 B LACROSSE SOLUTIONS Gamma Activity1 (dpm/100 cm2) Fraction of OpDCGL Measurement Measurement Result Measurement Population ID OpSOF dpm/100 cm2 Co-60 Cs-137 Eu-152 Eu-154 Sr-90 Co-60 Cs-137 Eu-152 Eu-154 Sr-90 S 24 4385 3.13E+02 4.03E+03 2.67E+01 1.37E+01 2.02E+03 0.0199 0.0603 0.0008 0.0004 0.0187 0.1002 S 25 4638 3.31E+02 4.26E+03 2.82E+01 1.45E+01 2.14E+03 0.0211 0.0638 0.0008 0.0005 0.0198 0.1060 S 26 4501 3.21E+02 4.14E+03 2.74E+01 1.40E+01 2.08E+03 0.0205 0.0620 0.0008 0.0004 0.0192 0.1029 S 27 4051 2.89E+02 3.72E+03 2.47E+01 1.26E+01 1.87E+03 0.0184 0.0558 0.0007 0.0004 0.0173 0.0926 S 28 3946 2.82E+02 3.63E+03 2.40E+01 1.23E+01 1.82E+03 0.0180 0.0543 0.0007 0.0004 0.0169 0.0902 S 29 4449 3.18E+02 4.09E+03 2.71E+01 1.39E+01 2.05E+03 0.0202 0.0612 0.0008 0.0004 0.0190 0.1017 S 30 4163 2.97E+02 3.83E+03 2.53E+01 1.30E+01 1.92E+03 0.0189 0.0573 0.0007 0.0004 0.0178 0.0952 S 31 4314 3.08E+02 3.97E+03 2.63E+01 1.34E+01 1.99E+03 0.0196 0.0594 0.0008 0.0004 0.0184 0.0986 S 32 4751 3.39E+02 4.37E+03 2.89E+01 1.48E+01 2.19E+03 0.0216 0.0654 0.0008 0.0005 0.0203 0.1086 S 33 4173 2.98E+02 3.84E+03 2.54E+01 1.30E+01 1.93E+03 0.0190 0.0574 0.0007 0.0004 0.0178 0.0954 S 34 4127 2.95E+02 3.79E+03 2.51E+01 1.29E+01 1.90E+03 0.0188 0.0568 0.0007 0.0004 0.0176 0.0943 S 35 3425 2.45E+02 3.15E+03 2.09E+01 1.07E+01 1.58E+03 0.0156 0.0471 0.0006 0.0003 0.0146 0.0783 S 36 3337 2.38E+02 3.07E+03 2.03E+01 1.04E+01 1.54E+03 0.0152 0.0459 0.0006 0.0003 0.0143 0.0763 S 37 3840 2.74E+02 3.53E+03 2.34E+01 1.20E+01 1.77E+03 0.0175 0.0528 0.0007 0.0004 0.0164 0.0878 S 38 3568 2.55E+02 3.28E+03 2.17E+01 1.11E+01 1.65E+03 0.0162 0.0491 0.0006 0.0003 0.0152 0.0816 S 39 3518 2.51E+02 3.23E+03 2.14E+01 1.10E+01 1.62E+03 0.0160 0.0484 0.0006 0.0003 0.0150 0.0804 S 40 4029 2.88E+02 3.70E+03 2.45E+01 1.26E+01 1.86E+03 0.0183 0.0554 0.0007 0.0004 0.0172 0.0921 S 41 3582 2.56E+02 3.29E+03 2.18E+01 1.12E+01 1.65E+03 0.0163 0.0493 0.0006 0.0003 0.0153 0.0819 S 42 3206 2.29E+02 2.95E+03 1.95E+01 9.99E+00 1.48E+03 0.0146 0.0441 0.0006 0.0003 0.0137 0.0733 S 43 3365 2.40E+02 3.09E+03 2.05E+01 1.05E+01 1.55E+03 0.0153 0.0463 0.0006 0.0003 0.0144 0.0769 S 44 3653 2.61E+02 3.36E+03 2.22E+01 1.14E+01 1.69E+03 0.0166 0.0503 0.0006 0.0004 0.0156 0.0835 S 45 3339 2.38E+02 3.07E+03 2.03E+01 1.04E+01 1.54E+03 0.0152 0.0460 0.0006 0.0003 0.0143 0.0763 S 46 3375 2.41E+02 3.10E+03 2.05E+01 1.05E+01 1.56E+03 0.0154 0.0464 0.0006 0.0003 0.0144 0.0772 S 47 3546 2.53E+02 3.26E+03 2.16E+01 1.11E+01 1.64E+03 0.0161 0.0488 0.0006 0.0003 0.0152 0.0811 23

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SURVEY UNIT S3-012-109 B LACROSSE SOLUTIONS Gamma Activity1 (dpm/100 cm2) Fraction of OpDCGL Measurement Measurement Result Measurement Population ID OpSOF dpm/100 cm2 Co-60 Cs-137 Eu-152 Eu-154 Sr-90 Co-60 Cs-137 Eu-152 Eu-154 Sr-90 S 48 3534 2.52E+02 3.25E+03 2.15E+01 1.10E+01 1.63E+03 0.0161 0.0486 0.0006 0.0003 0.0151 0.0808 S 49 3457 2.47E+02 3.18E+03 2.11E+01 1.08E+01 1.60E+03 0.0157 0.0476 0.0006 0.0003 0.0148 0.0790 S 50 3854 2.75E+02 3.54E+03 2.35E+01 1.20E+01 1.78E+03 0.0175 0.0530 0.0007 0.0004 0.0165 0.0881 S 51 3974 2.84E+02 3.65E+03 2.42E+01 1.24E+01 1.83E+03 0.0181 0.0547 0.0007 0.0004 0.0170 0.0909 S 52 3870 2.76E+02 3.56E+03 2.36E+01 1.21E+01 1.79E+03 0.0176 0.0533 0.0007 0.0004 0.0165 0.0885 S 53 3781 2.70E+02 3.48E+03 2.30E+01 1.18E+01 1.75E+03 0.0172 0.0520 0.0007 0.0004 0.0162 0.0864 S 54 5083 3.63E+02 4.67E+03 3.09E+01 1.58E+01 2.35E+03 0.0231 0.0700 0.0009 0.0005 0.0217 0.1162 S 55 5024 3.59E+02 4.62E+03 3.06E+01 1.57E+01 2.32E+03 0.0229 0.0691 0.0009 0.0005 0.0215 0.1149 S 4930 3.52E+02 4.53E+03 3.00E+01 1.54E+01 2.28E+03 0.0224 0.0678 0.0009 0.0005 0.0211 0.1127 S 57 5266 3.76E+02 4.84E+03 3.21E+01 1.64E+01 2.43E+03 0.0240 0.0725 0.0009 0.0005 0.0225 0.1204 S 58 4743 3.39E+02 4.36E+03 2.89E+01 1.48E+01 2.19E+03 0.0216 0.0653 0.0008 0.0005 0.0203 0.1084 S 59 4936 3.53E+02 4.54E+03 3.01E+01 1.54E+01 2.28E+03 0.0225 0.0679 0.0009 0.0005 0.0211 0.1128 S 60 5143 3.67E+02 4.73E+03 3.13E+01 1.60E+01 2.37E+03 0.0234 0.0708 0.0009 0.0005 0.0220 0.1176 J 61 5656 4.04E+02 5.20E+03 3.44E+01 1.76E+01 2.61E+03 0.0257 0.0778 0.0010 0.0006 0.0242 0.1293 Q 6 4964 3.55E+02 4.56E+03 3.02E+01 1.55E+01 2.29E+03 0.0226 0.0683 0.0009 0.0005 0.0212 0.1135 Q 17 4650 3.32E+02 4.28E+03 2.83E+01 1.45E+01 2.15E+03 0.0212 0.0640 0.0008 0.0005 0.0199 0.1063 Q 34 4453 3.18E+02 4.09E+03 2.71E+01 1.39E+01 2.06E+03 0.0203 0.0613 0.0008 0.0004 0.0190 0.1018 Q 52 3919 2.80E+02 3.60E+03 2.39E+01 1.22E+01 1.81E+03 0.0178 0.0539 0.0007 0.0004 0.0167 0.0896 (1) Sr-90 activity inferred from Cs-137 24

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SURVEY UNIT S3-012-109 B LACROSSESOLUTIONS Table 16-2 Survey Unit S3-012-109 B Sign Test SOF

  1. 1-Ws Sign (Ws) 1 0.0786 0.92 +1 2 0.1187 0.88 +1 3 0.1142 0.89 +1 4 0.1153 0.88 +1 5 0.1254 0.87 +1 6 0.1098 0.89 +1 7 0.1054 0.89 +1 8 0.1227 0.88 +1 9 0.1059 0.89 +1 10 0.1163 0.88 +1 11 0.1173 0.88 +1 12 0.1206 0.88 +1 13 0.1224 0.88 +1 14 0.1106 0.89 +1 15 0.1183 0.88 +1 16 0.1211 0.88 +1 17 0.1178 0.88 +1 18 0.1132 0.89 +1 19 0.1253 0.87 +1 20 0.1082 0.89 +1 21 0.1098 0.89 +1 22 0.1246 0.88 +1 23 0.1126 0.89 +1 24 0.1002 0.90 +1 25 0.1060 0.89 +1 26 0.1029 0.90 +1 27 0.0926 0.91 +1 28 0.0902 0.91 +1 29 0.1017 0.90 +1 30 0.0952 0.90 +1 31 0.0986 0.90 +1 32 0.1086 0.89 +1 33 0.0954 0.90 +1 34 0.0943 0.91 +1 35 0.0783 0.92 +1 26

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SURVEY UNIT S3-012-109 B LACROSSESOLUTIONS SOF

  1. 1-Ws Sign (Ws) 36 0.0763 0.92 +1 37 0.0878 0.91 +1 38 0.0816 0.92 +1 39 0.0804 0.92 +1 40 0.0921 0.91 +1 41 0.0819 0.92 +1 42 0.0733 0.93 +1 43 0.0769 0.92 +1 44 0.0835 0.92 +1 45 0.0763 0.92 +1 46 0.0772 0.92 +1 47 0.0811 0.92 +1 48 0.0808 0.92 +1 49 0.0790 0.92 +1 50 0.0881 0.91 +1 51 0.0909 0.91 +1 52 0.0885 0.91 +1 53 0.0864 0.91 +1 54 0.1162 0.88 +1 55 0.1149 0.89 +1 56 0.1127 0.89 +1 57 0.1204 0.88 +1 58 0.1084 0.89 +1 59 0.1128 0.89 +1 60 0.1176 0.88 +1 Number of positive differences (S+) 60 Critical Value 36 Survey Unit Meets the Acceptance Criteria 27

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SURVEY UNIT S3-012-109 B LACROSSESOLUTIONS ATTACHMENT 4 QUALITY CONTROL ASSESSMENT 28

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SURVEY UNIT S3-012-109 B LACROSSE SOLUTIONS Table 16-3 Survey Unit S3-012-109 B QC Assessment Standard Measurement Replicate Activity Activity Acceptable

+20% -20%

ID Value ID Value (Y/N) 6 4805 5766 3844 QC6 4964 Y 17 5153 6184 4122 QC17 4650 Y 34 4127 4953 3302 QC34 4453 Y 52 3870 4644 3096 QC52 3919 Y Comments/Corrective Actions: The replicate measurement results are in The acceptance criteria for replicate static measurements and is that acceptable agreement the same conclusion is reached for each measurement. This is defined as the replicate measurement being within 20% of the standard measurement. In cases where the replicate measurement is not within 20% of the standard measurement, but both measurements are below the Operational DCGL, there is an acceptable agreement.

29

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SURVEY UNIT S3-012-109 B LACROSSESOLUTIONS ATTACHMENT 5 GRAPHICAL PRESENTATIONS 30

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SURVEY UNIT S3-012-109 B LACROSSESOLUTIONS Figure 16 Quantile Plot for Gross Gamma Activity 31

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SURVEY UNIT S3-012-109 B LACROSSESOLUTIONS Figure 16 Histogram for Gross Gamma Activity 35 31 30 25 20 u

z w

aw a: 15 u.

15 14 10 0 0 0 0

9.14E+02 1.83E+03 2.74E+03 3.66E+03 4.S7E+03 5.48E+03 UPPER END VALUE (DPM/100CM2) 32

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SURVEY UNIT S3-012-109 B LACROSSESOLUTIONS Figure 16 Retrospective Power Curve for Survey Unit S3-012-109 B Probability that the urvey -nit Pas e 1.0 0.8 0.6 0.4 0.2 lo..

0.0 1)% 3)% 5)% 0% 9)% 1 )0%110% 1JO% 1510%

True urve_

  • nit Conceotr tion (percent of D GL) 33

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SURVEY UNIT S3-012-109 B LACROSSESOLUTIONS ATTACHMENT 6 SAMPLE ANALYTICAL REPORTS 34

LAC LTP - Final Status Survey Package - 8/14/2019 8/23/2019 1:51 :13PM Page 1 of6

~pex-Gamma Analysis Report for Sl-012-1098-FJGS-062-SM Sl-012-109 B GAMMA SPECTRUM ANALYSIS Sample Identification  : S3-012-1098-FJGS-062-SM Sample Description  : S3-012-109 B Sample Type  : 500 ml Marinelli Unit Sample Point Sample Size 7.853E+02 grams Facility  : Dairyland_NPP Sample Taken On  : 8/22/2019 10:05:00AM Acquisition Started  : 8/23/2019 1:20:54PM Procedure  : 500ml Marinelli Operator  : Administrator Detector Name  : HOTLAB Geometry  : 500ml Marinelli Live Time  : 1800.0 seconds Real Time  : 1805.5 seconds Dead Time  : 0.30 %

Peak Locate Threshold  : 3.00 Peak Locate Range (in channels)  : 100- 4096 Peak Area Range (in channels}  : 100-4096 Identification Energy Tolerance  : 1.000 keV Energy Calibration Used Done On  : 7/8/2014 Efficiency Calibration Used Done On  : 7/8/2014 Efficiency Calibration Description Sample Number  : 7325 PEAK ANALYSIS REPORT Peak Analysis Performed on  : 8/23/2019 1:51 :04PM Peak Analysis From Channel  : 100 Peak Analysis To Channel  : 4096 10/19/2020 Page 1

LAC LTP - Final Status Survey Package - 8/14/2019 8/23/2019 1:51: 13PM Page 2 of6 Analysis Report for S3-012-109B-FJGS-062-SM S3-012-109 B Peak. Energy ROI ROI Peak Net Peak. Net Area Continuum FWHM No. (keV) start end Centroid Area Uncertainty Counts (keV)

F 1 76 . 99 152 - 161 154 . 53 5 . 21E+Ol 18 . 66 5 . 32E+02 0 . 44 F 2 238 . 51 473 - 481 477 . 50 1 . 45E+02 31 . 16 2 . 36E+02 1. 29 F 3 295 . 22 587 - 594 590 . 89 4 . 83E+Ol 19 . 07 9 . 55E+Ol 1. 32 F 4 351 . 89 698 - 711 704 . 20 1. 06E+02 24 . 79 1 . 32E+02 1. 76 F 5 582 . 93 1160 - 1174 1166.21 5 . 27E+Ol 17 . 20 5 . 87E+Ol 1. 88 F 6 609 . 27 1214 - 1226 1218 . 88 6 . 55E+Ol 18 . 62 6 . 12E+Ol 1. 54 F 7 910 . 59 1816 - 1827 1821 . 42 2 . 76E+Ol 14 . 02 4 . 80E+Ol 1. 86 F 8 968 . 99 1934 - 1 9 44 1938 . 19 2 .3 1E+Ol 12 .8 8 4.0 3E+Ol 1. 69 F 9 1120 . 51 2237 - 224 6 2241.19 l . 63E+Ol 10 . 42 2 . 14E+Ol 1. 62 F 10 1460 .4 5 2913 - 2930 2921. 02 2 . 63E+02 32 . 98 l .6 0E+Ol 2 . 60 M = First peak in a multiplet region m = Other peak in a multiplet region F = Fitted singlet Errors quoted at 2.000sigma BACKGROUND SUBTRACT REPORT Peak Analysis Performed on  : 8/23/2019 1:51 :04PM Env. Background File  : C:\Canberra\Apex\Root\Dairyland_NPP\Data\0000001364. CNF Peak. Energy Original Orig. Area Ambient Back.gr. Subtracted Subtracted No. (keV) Area Uncertainty Background Uncert. Area Uncert.

F 1 76 . 99 5 . 21E+Ol 1 8 . 66 5 . 21E+Ol l . 87E+Ol F 2 2 3 8 . 51 1. 45E+02 31.16 l . 45E+02 3 . 12E+Ol F 3 295 . 22 4 . 83E+Ol 19 . 07 4 . 83E+Ol 1 . 91E+Ol F 4 351 . 89 1.06E+02 24 . 79 4 . 18E+Ol l . 86E+Ol 6 . 38E+Ol 3 . lOE+Ol F 5 582 . 93 5 . 27E+Ol 17 . 20 5 . 27E+Ol 1 . 72E+Ol F 6 609 . 27 6 . 55E+Ol 18 . 62 2 . 06E+Ol 1 . 21E+Ol 4 . 49E+Ol 2 . 22E+Ol F 7 910 . 59 2 . 76E+Ol 14 . 02 2 . 76E+Ol 1 . 40E+Ol F 8 9 68. 99 2 . 31E+Ol 12 . 88 2 . 31E+Ol l . 29E+Ol F 9 11 2 0 . 51 1. 63E+Ol 10 .4 2 1. 63 E+Ol 1 . 0 4E+Ol F 10 1 4 60 . 45 2 . 63E+02 32 . 98 2 . 82E+Ol 8 . 5 7E+OO 2 . 35E+02 3 . 41E+Ol M = First peak in a multiplet region m = Other peak in a multiplet region F = Fitted singlet Errors quoted at 2.000sigma 10/19/2020 Page 2

LAC LTP - Final Status Survey Package - 8/14/2019 8/23/2019 1:51 :13PM Page 3 of6 Analysis Report for S3--012-109B-FJGS-062-SM S3--012-109 B NUCLIDE IDENTIFICATION REPORT Nuclide Library Used  : C:\Canberra\Apex\Root\Dairyland_NPP\Library\HOTLAB.NLB IDENTIFIED NUCLIDES Nucllde Id Energy Yield(%) Activity Activity Name Confidence (keV) (pCVgrams) Uncertainty K-40 0 . 98 1460.75

  • 10.67 6 . 52E+OO 1. OlE+OO PB - 212 0 . 99 77 . 11
  • 44 . 60 l.90E-Ol 4 . 21E-02 BI-214 0 . 58 609 . 31
  • 15 . 10 2 . 54E-Ol l. 63E-01 1238 .11 5 . 94 1377 . 67 4 . 11 1407 . 98 2 . 48 1509 . 19 2 . 19 1764 . 49 15 . 80 PB-214 1.00 77 .11
  • 10 . 70 3 . 06E-01 1 . llE-01 295.21
  • 37 . 20 1. 40E-01 6 . BSE -0 2
  • = Energy line found in the spectrum.

- = Manually added nuclide.

? = Manually edited nuclide.

@ = Energy line not used for Weighted Mean Activity Energy Tolerance : 1.000 keV Nuclide confidence Index threshold = 0.30 Errors quoted at 2.000sigma INTERFERENCE CORRECTED REPORT Nucflde Nuclide Wt mean Wt mean Comments Name Id Activity Activity Confidence Uncertainty (pCi/grams)

K-40 0 .9 86 6 . 52E+OO 1.0lE+OO PB-212 0 .9 98 1 . 66£-01 3.66E-02 BI - 214 0.584 1. 49E-01 6 . 08E-02 10/19/2020 Page 3

,.LAC LTP - Final Status Survey Package - 8/14/2019 I

8/23/2019 1:51 :13PM Pagc4 of6 Analysis Report for S3-012-1098-F JGS-062-SM S3-012-109 B Nuclide Nuc/lde Wt mean Wt mean Comments Name Id Activity Activity Confidence Uncertainty (pCi/grams)

PB-214 1. 000 1. 38E-01 4.59E-02

? = nuclide is part of an undetermined solution X = nuclide rejected by the interference analysis

@ = nuclide contains energy lines not used In Weighted Mean Activity Errors quoted at 2.000s!gma 10/19/2020 Page 4

LAC LTP - Final Status Survey Package - 8/14/2019 8/23/2019 1:51 :13PM Page S of6 Analysis Report for S3-012-109B-FJGS-062-SM S3-012-109 B UNIDENTIFIED PEAKS Peak Locate Performed on  : 8/23/2019 1:51 :04PM Peak Locate From Channel  : 100 Peak Locate To Channel  : 4096 Peak CPS(%) Peak Tolerance Peak No. Energy (keV) Peak Size (CPS) Uncertainty Type Nuclide F 5 582 . 93 2 . 92949E - 02 16 . 3 1 F 7 910 . 59 1 . 53583E - 02 25 . 36 Tol. PA- 228 F 8 968 . 99 1.28590£-02 27 . 82 Tol. AC-228 M = First peak in a multiplet reg ion m = Other peak in a multiplet region F = Fitted singlet Errors quoted at 2.000sigma NUCLIDE MDA REPORT Nuclide Library Used  : C:\Canberra\Apex\Root\Dairyland_NPP\Library\HOTLAB.NLB Nuclide Energy Yield(%) Activity NuclldeMDA LineMDA Name (pCUgrams) (pCVgrams) (pCUgrams)

(keV)

+ K- 40 1460 . 75

  • 10 . 67 6 . 52E+00 8 . 44E-01 8 . 44E- 01

+ AR- 41 1293 . 64 99 . 16 - 1 . 79E+03 3 . 08E+03 3 . 08E+03

+ CO - 60 1173 . 22 100 . 00 4 . 35£- 02 8 . 27E - 02 9 . 78E- 02 1332 . 49 100 . 00 -1. 09E - 02 8 . 27E- 02

+ KR- 85 513 . 99 0 . 43 1 . 69E+0l l . 49E+0l 1 . 49E+0l

+ Y- 88 898 . 04 93 . 70 - 1 . 13£- 02 5 . 77£-02 7 . 98E - 02 1836 . 06 99 . 20 -6 . 75E-02 5 . 77E - 02

+ NB- 94 702 . 63 1 00 . 0 0 6 . 86E-04 6 . 09E- 02 6 . 09E - 02 871 . 10 100 . 00 - 7 . 03E - 03 6 . 87E - 02

+ I-131 28 4. 30 6 . 06 4 .74E- 01 6 . 59E - 02 8 . 98E - 01 3 64 .4 8 81. 20 4 . 21E - 02 6 . 59E-02 636 . 97 7 . 27 2 . 5 8E- 01 9 . 41E- 01

+ CS - 134 60 4 . 70 97 . 60 -3 . 54E - 02 7 . 09E - 02 7 . 82E- 02 795 . 8 4 85 . 4 0 2 . 79 E- 02 7 . 09E-02 10/19/2020 Page 5

LAC LTP - Final Status Survey Package - 8/14/2019 8123/2019 1:51:13PM Page 6 of6 Analysis Report for S3-012-1 098-FJGS-062-SM S3-012-109 B Nuclide Energy Yield(%) Activity Nucl/deMDA LlneMDA Name (pCi/grams) (pCVgrams) (pC//grams)

(keV)

+ CS - 137 661. 65 85 . 12 l . 15E-01 8 . 31E - 02 8 . 31E-02

+ CE-144 80 . 12 1.36 7 . 20E-02 3 . 97E - 01 5 . 17E+OO 133 . 51 11.09 -4 . 68E-02 3 . 97E - 01

+ EU - 152 121 . 78 28 . 40 -2.21E- 01 1. 53E-01 1. 53E - 01 344 . 28 26 . 60 2 . 72E-02 2 . lOE - 01 1408 . 00 20.74 3 . 46E- 02 3 . 39E- 01

+ EU-154 123 . 07 40 . 40 -1.40E- 01 1. 07E - 01 1 . 07E - 01 723 . 30 19.70 1 . 76E- 02 3 . 20E-01 1274 . 51 35 . 50 8 . 26E- 02 2 . 54E-01

+ EU-155 86 . 54 32 . 80 -1 . lOE - 01 l . 77E-01 l . 77E-01 105 . 31 21. 80 -l . 58E - 01 2 . 09E-01

+ BI - 214 609.31

  • 15 . 10 2.54E - 01 2 . 95E - 01 1238 . 11 5 . 94 1. 36E+OO l . 93E+OO 1377 . 67 4 . 11 4 . 40E - 01 1 . 65E+OO 1407 . 98 2 . 48 2 . 89E - 01 2 . 84E+OO 1509 . 19 2 . 19 l . 67E+OO 2 . 62E+OO 1764 . 49 15 . 80 1 . 04E- 01 4 . 55E-01

+ PB-214 77 . 11

  • 10 . 70 3 . 06E- 01 1 . 27E-01 4 . 98E - 01 295 . 21
  • 19 . 20 l . 76E-01 l.27E-01 351 . 92

+ PA- 228 89 . 95 22 . 00 6 . 31E-01 3 . 64E - 01 6 . 21E - 01 93 . 35 35 . 00 - 8 . 45E-02 3 . 64E - 01 105 . 00 16 . 30 - 3 . 46E- 01 6 . 70E - 01 129 . 22 2 . 97 2 . 40E+OO 3 . 55E+OO 338 . 32 5 . 30 4 . 96E- 01 2 . 36E+OO 463 . 00 13 . 80 - 3 . 91E - Ol 8 . 90E- 01 911 . 23 16 . 70 l . 45E+OO l.26E+OO

+ AM - 241 59 . 54 36 . 30 1. 59E - Ol 3 . 38E - 01 3 . 38E-01

+ CM - 243 103 . 76 23 . 00 5 . 86E-02 2 . 05E- 01 2 . 0SE-01 228 . 18 10 . 60 1 . 72E- 01 4 . 34£- 01 277 . 60 14 . 00 - l . 46E - 01 3 . 41E-01

+ = Nuclide identified during the nuclide identification

= Energy line found in the spectrum

> = MDA value not calculated

@ = Half-life too short to be able to perform the decay correction

? = CAUTION: MDA value is inconsistent with Currie MDA at 95% confidence level 10/19/2020 Page 6

LAC LTP - Final Status Survey Package - 8/14/2019 8/23/2019 2:24:54PM Page I of6 pex-Gamma Analysis Report for S3-012-109B-FJGS-063-SM Sl-012-109 8 GAMMA SPECTRUM ANALYSIS Sample Identification  : S3-012-1098-FJGS-063-SM Sample Descfiption  : S3-012-109 B Sample Type  : 500 ml Marinelli Unit Sample Point Sample Size 7.990E+02 grams Facility  : Dairyland_NPP Sample Taken On  : 8/22/2019 10:14:00AM Acquisition Started  : 8/23/2019 1 :54:35PM Procedure  : 500ml Marinelli Operator  : Administrator Detector Name  : HOTLAB Geometry  : 500ml Marinelli Live Time  : 1800.0 seconds Real Time  : 1805.6 seconds Dead Time  : 0.31 %

Peak Locate Threshold  : 3.00 Peak Locale Range (In channels)  : 100-4096 Peak Area Range (In channels)  : 100-4096 Identification Energy Tolerance  : 1.000 keV Energy Calibration Used Done On  : 7/8/2014 Efficiency Calibration Used Done On  : 7/8/2014 Efficiency Calibration Descfiption Sample Number  : 7326 PEAK ANALYSIS REPORT Peak Analysis Perfonned on  : 8/23/2019 2:24:45PM Peak Analysis From Channel  : 100 Peak Analysis To Channel  : 4096 10/19/2020 Page 7

LAC LTP - Final Status Survey Package - 8/14/2019 8/23/2019 2:24:54PM Page2 of 6 Analysis Report for S3-012-1098-FJGS-063-SM S3-012-109 B Peak Energy ROI ROI Peak Net Peak Net Area Continuum FWHM No. (keV) start end Centroid Area Uncertainty Counts (keV)

F 1 77 . 08 152 - 158 154 . 71 8 . 04£+01 31 . 29 3 . 69£+02 1.24 F 2 186 . 05 369 - 378 372 . 60 3 . 32£+01 14 . 76 3 . 12£ 02 0 . 49 F 3 238 . 55 471 - 481 477 . 58 1 . 15E+02 30 . 76 3 . 39£+02 1.30 F 4 294 . 92 582 - 595 590 . 29 6 . 35E+Ol 21 . 53 1. 89£+02 1. 20 F 5 351. 60 697 - 709 703 . 63 9 . 82E+O l 24 . 91 1 . 43E+02 1. 71 F 6 583 . 06 1161 - 1173 1166 . 46 4 . 00E+Ol 16.85 6 . 77E+Ol 2 . 13 F 7 609 . 14 1211 - 1224 1218 . 62 7 . 36E+Ol 19 . 71 6 . 66£+01 1. 61 F 8 1460.71 2913 - 2929 2921 . 53 2 . 96E+02 34 . 84 1 . 70E+Ol 2 . 32 M = First peak in a multiplet region m = Other peak in a multiplet region F = Fitted singlet Errors quoted at 2.000sigma BACKGROUND SUBTRACT REPORT Peak Analysis Performed on  : 8/23/2019 2:24:45PM Env. Background File  : C:\Canberra\Apex\Root\Dairyland_ NPP\Data\0000001364.CNF Peak Energy Original Orig. Area Ambient Backgr. Subtracted Subtracted No. (keV) Area Uncertainty Background Uncert. Area Uncert.

F 1 77 . 08 8 . 04E+Ol 31 . 29 8 . 04E+Ol 3 . 13E+Ol F 2 186 . 05 3 . 32E+Ol 14 . 76 3 . 32E+Ol 1.48£+01 F 3 238 . 55 1.15E+02 30 . 76 l . 15E+02 3 . 08E+Ol F 4 2 9 4 . 92 6 . 35E+Ol 21. 53 6 . 35E+Ol 2 . 15E+Ol F 5 35 1. 60 9 . 82E+Ol 24 . 91 4 . 18E+Ol 1. 8 6£+01 5 . 64E+Ol 3 . llE+Ol F 6 583 . 06 4 . 00E+Ol 16 . 85 4.00E+Ol 1 . 69E+Ol F 7 609 . 14 7 . 36E+Ol 19 . 71 2.06E+Ol 1. 21E+Ol 5 . 30E+Ol 2 . 31E+Ol F 8 1 4 60 . 71 2 . 96E+02 34 . 84 2 . 82E+Ol 8 . 57E+OO 2 . 68E+02 3 . 59E+Ol

=

M First peak in a multiplet region

=

m Other peak in a multiplet region F = Fitted singlet Errors quoted at 2.000sigma 10/19/2020 Page 8

LAC LTP - Final Status Survey Package - 8/14/2019 8/23/2019 2:24:54PM Page l of 6 Analysis Report for S3-012-109B-FJGS-063-SM S3-012-109 B NUCLIDE IDENTIFICATION REPORT Nuclide Library Used  : C:\Canberra\Apex\Root\Oairyland_NPP\Llbrary\HOTLAB.NLB IDENTIFIED NUCLIDES Nucllde Id Energy Yield(%) Activity Activity Name Confidence (keV) (pCUgrams) Uncertainty K- 40 1.00 1460 . 75

  • 10 . 67 7 . 30E+OO 1. 06E+OO PB - 212 0 . 99 77 . 11
  • 17 . 50 2 . 83E - 01 l . 12E- 01 238 . 63
  • 44 . 60 l.48E - 01 4 . 04E - 02 BI-214 0 . 34 609 . 31
  • 46 . 30 l . 53E- 01 6 . 72E - 02 1120 . 29 15 . 10 1238 . 11 5 . 94 1377 . 67 4 . 11 1407 . 98 2 . 48 1509 . 19 2 . 19 1764 . 49 15 . 80 PB- 21 4 0 . 98 77 . 11
  • 10 . 70 4 . 63E - 01 l . 83E-01 295 . 21
  • 19 . 20 2 . 27E - 01 7 . 7 8E- 02 351. 92
  • 37 . 20 1. 22E - 01 6 . 75E- 02 RA- 226 0 . 99 186 . 21
  • 3 . 28 4. 90E- 01 2 . 20E- Ol
  • =Energy line found In the spectrum.

- = Manually added nuclide.

=

? Manually edited nuclide.

@ = Energy llne not used for Weighted Mean Activity Energy Tolerance : 1.000 keV Nuclide confidence index threshold = 0.30 Errors quoted at 2.000sigma INTERFERENCE CORRECTED REPORT Nuclide Nuclide Wt mean Wt mean Comments Name Id Activity Activity Confidence Uncertainty (pCl/grams)

K-40 1.000 7 . 30E+OO 1 . 06E+OO PB- 212 0 . 999 1 . 52E - 01 3 . 82E - 02 10/19/2020 Page 9

LAC LTP - Final Status Survey Package - 8/14/2019 8/23/2019 2:24:54PM Page 4 of6 Analysis Report for S3-012-109B-FJGS-063-SM S3-012-109 B Nuclide Nuclide Wt mean Wt mean Comments Name Id Activity Activity Confidence Uncertainty (pCi/grams)

BI-214 0.347 1.53E-Ol 6. 72E-02 PB-214 0 . 987 1 . 71E-Ol 4 . 93E-02 RA- 226 0 . 996 4 . 90E-01 2 . 20E-01

? = nuclide is part of an undetermined solution X = nuclide rejected by the interference analysis

@ = nuclide contains energy lines not used in Weighted Mean Activity Errors quoted at 2.000sigma 10/19/2020 Page 10

LAC LTP - Final Status Survey Package - 8/14/2019 8/23/2019 2:24:54PM Page S of 6 Analysis Report for S3-012-1098-FJGS-063-SM S3-012-109 B UNIDENTIFIED PEAKS Peak Locate Performed on  : 8/23/2019 2:24:45PM Peak Locate From Channel  : 100 Peak Locate To Channel  : 4096 Peak CPS(%) Peak Tolerance Peak No. Energy (keV) Peak Size (CPS) Uncertainty Type Nuclide F 6 583 . 06 2 . 22009E - 02 21.09 M = First peak in a multiplet region m = Other peak in a multiplet region F = Fitted singlet Errors quoted at 2.000sigma NUCLIDE MDA REPORT Nuclide Library Used  : C:\Canberra\Apex\Root\Dairy1and_NPP\Library\HOTLAB.NLB Nuclide Energy Yleld(%) Activity NuclldeMDA LlneMDA Name (pCVgrams) (pCUgrams) (pCi/grams)

{keV)

+ K- 40 1460 . 75

  • 10 . 67 7 . 30E+00 8 . 41E- 01 8 . 41E- 0l

+ AR-41 1293 . 64 99 . 16 4 . 53E+02 3 . 54E+03 3 . 54E+03

+ CO- 60 1173 . 22 100 . 00 4 . 75E- 02 8 . 8 4E- 02 9 . 75E - 02 1332 . 49 100 . 00 6 . 0 SE- 02 8 . 84E - 02

+ KR- 85 513 . 9 9 0. 43 2 . 0 2E+0l 1 . 55E+0l 1. 55E+0l

+ Y- 88 898 . 04 93. 70 - 5 . 58E- 02 5 . 96E- 02 7 . 06E - 02 1836 . 06 99 . 20 - 2 . 0 5E- 02 5 .9 6E - 0 2

+ NB- 94 702 . 63 100 . 00 - 4 . 89 E- 02 5 .8 9E-02 5 . 89E - 0 2 871 . 10 100 . 00 5 . 29E - 02 7 . 79E - 02

+ I-131 284 . 30 6 . 06 - 3 . 06E - 01 6 . 94E- 02 8 . 38E- 0l 364 . 4 8 81 . 20 - 1. 06E - 02 6 . 94E - 02 636 . 97 7 . 27 6 . 87E - 0l 9 . 48E - 0l

+ CS - 134 604 . 70 97 . 60 -5 . l0E - 03 7 . 30E - 02 8 . 14E- 02 795 . 84 85 . 40 - 2 . 56E - 02 7 . 30E- 0 2

+ CS-137 6 61. 65 85 . 12 1.1 9E- 0l 8 . 78E- 02 8 . 78E- 02

+ CE - 14 4 80 . 12 1. 36 - 6 . 37 E- 0 1 4. 07E - 01 5 . 21E+0 0 133 . 51 11.09 l .74 E- 0l 4 . 07£ - 01 10/19/2020 Page 11

LAC LTP - Final Status Survey Package - 8/14/2019 812312019 2:24:54PM Page 6 of6 Analysis Report for S3-0 12-1098-FJGS-063-SM S3-012-109 B Nuclide Energy Yield(%) Activity Nucl/deMDA LlneMDA Name (pCi/grams) (pCl/grams) (pCUgrams)

(keV)

+ EU-152 121.78 28 . 40 -1 . 30E - 01 1. 4 9E-01 1.49E-01 344 . 28 26 . 60 1 . 47E - 01 2.12E - 01 1408.00 20 . 74 l . 13E-01 4 . 00E-01

+ EU - 154 123 . 07 40.40 -7.40E-02 l . 06E - 01 1. 06E-01 723 . 30 19 . 70 9 . 36E - 02 3 . 63E - 01 1274.51 35.50 -7 . 92E-02 2 . 17E-01

+ EU-155 86 . 54 32 . 80 -5 . 59E-02 1 . 81E-Ol 1 . 81E-01 105 . 31 21. 80 1. 93E - 01 2 . 28E-01

+ BI - 214 609 . 31

  • 46 . 30 1 . 53E-01 1 . 24E-Ol l . 24E-01 1120 . 29 15 . 10 2 . 31E-Ol 6.20E-01 1238 . 11 5 . 94 9 . 24E-Ol l.78E+OO 1377 . 67 4 . 11 5.28E-01 l . 95E+OO 1407 . 98 2 . 48 9 . 41E-01 3.35E+OO 1509.19 2 . 19 1. 33E+OO 2.75E+OO 1764 . 49 15 . 80 2 . 15£-01 4 . 47E-01

+ PB-214 77 . 11

  • 10 . 70 4 . 63E-01 1.33E-01 3 . 74E - 01 295.21

+ PA- 228 89.95 22 . 00 8 . 94£-01 3 . 67£-01 6 . 41E-01 93 . 35 35 . 00 - 1 . 41E-Ol 3 . 67E-01 105.00 16 . 30 7 . 78£-01 7 . 38E-01 129 . 22 2 . 97 -l . 12E+OO 3 . 52E+OO 338 . 32 5 . 30 2 . 26E+OO 2 . 49E+OO 463 . 00 13 . 80 6 . 60E - 01 9 . 44E - 01 911 . 23 16 . 70 1. 24E+OO 1.26E+OO

+ AM-241 59 . 54 36 . 30 6 . 76E - 02 3 . 27E-01 3 . 27E - 01

+ CM- 243 103.76 23.00 2 . llE - 01 2 . 17E- 01 2 . 17E - 01 228 . 18 10 . 60 l . 48E-01 4 . 17E- 01 277 . 60 14 . 00 1 . 72E - 01 3 . 56E - 01

+ = Nuclide identified during the nuclide identification

= Energy line found in the spectrum

> = MDA value not calculated

@ = Half-life too short to be able to perform th e decay correction

? = CAUTION: MDA value is inconsistent with Currie MDA at 95% confidence level 10/19/2020 Page 12

LAC LTP - Final Status Survey Package - 8/14/2019 8/23/2019 2:57:47PM Page I of7 pex-Gamma Analysis Report for S3-012-109B-FJGS-064-SM SJ-012-109 B GAMMA SPECTRUM ANALYSIS Sample Identification  : SJ-012-1098-FJGS-064-SM Sample Descnption  : S3-012-109 B Sample Type  : 500 ml Marinelli Unit Sample Point Sample Size 8.040E+02 grams Facility  : Dairytand_NPP Sample Taken On  : 8/22/2019 1:12:00PM Acquisition Started  : 8/23/2019 2:27:28PM Procedure  : 500ml Marinelli Operator  : Administrator Detector Name  : HOTLAB Geometry  : 500ml Marinelli Live Tlme  : 1800.0 seconds Real Tlme  : 1805.4 seconds Dead Tlme  : 0.30%

Peak Locate Threshold  : 3.00 Peak Locate Range (in channels)  : 100-4096 Peak Area Range (in channels)  : 100

  • 4096 Identification Energy Tolerance  : 1.000 keV Energy Calibration Used Done On  : 7/8/2014 Efficiency Calibration Used Done On  : 7/8/2014 Efficiency Calibration Description Sample Number  : 7327 PEAK ANALYSIS REPORT Peak Analysis Performed on  : 8/23/2019 2:57:38PM Peak Analysis From Channel  : 100 Peak Analysis To Channel  : 4096 10/19/2020 Page 13

LAC LTP - Final Status Survey Package - 8/14/2019 8/23/20 19 2:57:47PM Page 2 of7 Analysis Report for S3-012-1 098-FJGS-064-SM S3-012-109 B Peak Energy ROI ROI Peak NetPeak Net Area Continuum FWHM No. (keV) start end Centroid Area Uncertainty Counts (keV)

F 1 77 . 03 147 - 159 154 . 61 8 . 79E+01 32 . 4 9 S . 99E+02 1. 47 F 2 186 . 08 369 - 377 372 . 66 3 . 42E+01 20 . 40 2 . SOE+02 0.96 F 3 238 . 53 472 - 483 477 . 54 l . 24E+02 31. OS 3 . 42E+02 1.50 F 4 295 . 16 585 - 597 590 . 77 5 . 07E+Ol 21. 66 1 . 90E+02 1. 77 F 5 338 . 53 674 - 681 677 . 49 l . 80E+Ol 13 . 62 8 . 63E+Ol 0 . 99 F 6 351 . 79 697 - 708 704 . 00 9 . 55E+Ol 24 . 15 1. 29E+02 1. 57 F 7 583 . 18 1162 - 1173 1166. 70 4 . 04E+Ol 15 . 51 5 . 75E+01 1. 48 F 8 609 . 45 1213 - 1224 1219 . 24 4 . 62E+Ol 17 . 48 6 . 61E+Ol 1. 91 F 9 661. 44 1317 - 1328 1323 . 20 6 . 33E+Ol 18 . 46 6 . 25E+Ol 1. 48 E' 10 911 . 08 1818 - 1829 1822 . 40 2 . 17E+01 11 . 83 3 . 60E+Ol 1.56 E' 11 1460 . 78 2914 - 2930 2921 . 67 2 . 96E+02 34 . 51 4 . 63E+OO 2 . 36 M = First peak in a multiplet region m = Other peak in a multiplet reg ion F = Fitted singlet Errors quoted at 2.000sigma BACKGROUND SUBTRACT REPORT Peak Analysis Performed on  : 8/23/2019 2;57:38PM Env. Background File  : C:\Canberra\Apex\Root\Dairyland_ NPP\Data\0000001364.CNF Peak Energy Original Orig. Area Ambient Backgr. Subtracted Subtracted No. {keV) Area Uncertainty Background Uncert. Area Uncert.

F 1 77 . 03 8 . 79E+Ol 32 . 49 8 . 79E+Ol 3 . 25E+Ol F 2 186 . 08 3 . 42E+01 20 . 40 3 . 42E +Ol 2 . 04E+01 F 3 238 . 53 1 . 24E+02 31. 05 1. 24E+02 3. llE+Ol F 4 295 . 16 5 . 07E+01 21. 66 5 . 07E+Ol 2 . 17E+Ol F 5 338 . 53 1. 80E+Ol 13 . 62 1. 80E+Ol l . 36E+Ol F 6 351. 79 9 . 55E+Ol 24 . 15 4 . 18E+Ol l . 86E+Ol 5 . 37E+Ol 3 . 05E+Ol F 7 583 . 18 4 . 04E+Ol 15 . 51 4 . 04E+Ol 1 . SSE+Ol F 8 609 . 45 4 . 62E+Ol 17 . 48 2 . 06E+Ol 1. 21E+Ol 2 . 57E+Ol 2 . 13E+01 F 9 661. 44 6 . 33E+Ol 18 . 46 3 . 31E+Ol 1 . 27E+Ol 3 . 02E+Ol 2 . 24E+01 F 10 911. 08 2 . 17E+Ol 11 . 83 2.17E+Ol l . lBE+Ol F 11 1460 . 78 2 . 96E+02 34 . 51 2 . 82E+Ol 8 . 57E+OO 2 . 67E+02 3 . 56E+Ol

=

M First peak in a multiplet reg ion

=

m Other peak in a multiplet region

=

F Fitted singlet Errors quoted at 2.000sigma 10/19/2020 Page 14

LAC LTP - Final Status Survey Package - 8/14/2019 8/23/2019 2:57:47PM Page 3 of7 Analysis Report for S3-012-1098-FJGS-064-SM S3-012-109 B NUCLIDE IDENTIFICATION REPORT Nuclide Library Used  : C:\Canberra\Apex\Root\Dairyland_NPP\Library\HOTLAB.NLB IDENTIFIED NUCLIDES Nuclide Id Energy Yield(%) Activity Activity Name Confidence (keV) (pCVgrams) Uncertainty K- 40 1.00 1460 . 75

  • 10 . 67 7 . 25E+OO l . 04E+OO CS-137 0 . 99 661 . 65
  • 46 . 30 7 . 35E-02 6 . llE-02 1120 . 29 15 . 10 1238 . 11 5 . 94 1377 . 67 4 . 11 1407 . 98 2 . 48 1509 . 19 2 . 19 1764 .4 9 15 . 80 PB - 214 0 . 99 77 . 11
  • 10 . 70 5 . 04E-01 1. 89E -0 1 295 . 21
  • 19 .2 0 1 . 80E- 01 7 . 76E - 02 351. 92
  • 37 .2 0 l.15E- 01 6 . 57E -0 2 RA-226 0 . 99 186 . 21
  • =Energy line found in the spectrum.

- =Manually added nuclide.

? = Manually edited nuclide.

@ = Energy line not used for Weighted Mean Activity Energy Tolerance : 1.000 keV Nuclide confidence index threshold = 0.30 Errors quoted at 2.000sigma INTERFERENCE CORRECTED REPORT 10/19/2020 Page 1 5

LAC LTP - Final Status Survey Package - 8/14/2019 8/23/2019 2:57:47PM Page 4 of7 Analysis Report for S3-012-1098-FJGS-064-SM S3-012-109 B Nuclide Nuclide Wt mean Wt mean Comments Name Id Activity Activity Confidence Uncertainty (pCl/grams)

K- 40 1. 000 7 . 25E+OO l . 04 E+OO CS - 137 0 . 993 5 . 0BE- 02 3 . 77E- 02 PB- 212 0 . 999 l . 65E - 01 3 . BSE- 02 BI- 214 0 . 348 7 . 35E- 02 6 . llE- 02 PB- 214 0 . 998 1.49E- 01 4 . 87E- 02 RA- 226 0 . 997 5 . 02E - 01 3 . 0lE - 01

? = nuclide is part of an undetermined solution X = nuclide rejected by the interference analysis

@ = nuclide contains energy lines not used in Weighted Mean Activity Errors quoted at 2.000sigma 10/19/2020 Page 16

LAC LTP - Final Status Survey Package - 8/14/2019 8/23/2019 2:57:47PM Page 5 of7 Analysis Report for S3-012-1099-FJGS-064-SM S3-012-109 B UNIDENTIFIED PEAKS Peak locate Performed on  : 8/23/2019 2:57:38PM Peak locate From Channel  : 100 Peak locate To Channel  : 4096 Peak CPS{%) Peak Tolerance Peak No. Energy (keV) Peak Size (CPS) Uncertainty Type Nuclide F 5 338 . 53 l . 00048E-02 37 . 80 Tol. AC-228 PA-228 F 7 583 . 18 2 . 24390E-02 19 . 20 F 10 911 . 08 l . 20315E-02 27 . 31 Tol. AC - 228 PA- 228 M = First peak in a multiplet region m = Other peak in a multiplet region F = Fitted singlet Errors quoted at 2.000slgma NUCLIDE MDA REPORT Nuclide library Used  : C:\Canberra\Apex\Root\Dalryland_NPP\Library\HOTLAB.NlB Nuclide Energy Yield(3/4) Activity NuclideMDA LlneMDA Name (pCUgrams) (pCUgrams) (pCUgrams)

(keV)

+ K- 40 1460 . 75

  • 10 . 67 7 . 25E+00 7 . 30E - 01 7 . 30E-01

+ AR- 41 1293 . 64 99 . 16 - 4 . 62E+0l l . 39E+03 l.39E+03

+ CO - 60 1173 . 22 100 . 00 -l . 7 4E- 02 8 . 49E-02 l.00E - 01 1332 . 49 100 . 00 l . 27E- 02 8 . 49E-02

+ KR-85 513 . 99 0 .4 3 9 . 09E+00 l . 63E+0l l . 63E+0l

+ Y- 88 898 . 04 93 . 70 - 5 . 4 6E-03 5 . 92E-02 6 . 59E- 02 1836 . 06 99 . 20 - 1 . 68E- 02 5 . 92E- 02

+ NB- 94 702 . 63 100 . 00 -8 . 82E- 03 5 . 90E- 02 5 . 90E - 02 871 . 10 100 . 00 - 2 . 92E- 02 6 . 71E - 02

+ I - 131 284 . 30 6 . 06 3 . 97E- 01 6 . 46E - 02 8 . 54E- 01 364 . 48 81. 20 -7 . 81E- 03 6 . 46E- 02 10/19/2020 Page 17

LAC LTP - Final Status Survey Package - 8/14/2019 8/23/2019 2:57:47PM Page 6 of7 Analysis Report for S3-01 2-109B-FJGS-064-SM S3-012-109 B Nuclide Energy Yleld(3/4) Activity NuclldeMDA LlneMDA Name (pCilgrams) (pCi/grams) (pCi/grams)

(keV)

I-131 636 . 97 7 . 27 -1 . 0lE - 01 6 . 46E-02 8 . 90E-01

+ CS-134 604 . 70 97 . 60 -6 . 75E-03 7 . 53E-02 7 . 53E-02 795 . 84 85 . 40 - 3 . 70£-02 7 . 68£-02

+ CS-137 661. 65

  • 85 . 12 5 . 08£-02 7 . 26E - 02 7 . 26E - 02

+ CE-144 80 . 12 1. 36 -l.58E+OO 3 . 92E-01 5 . lOE+OO 133 . 51 11 . 09 2 . 88E- 02 3 . 92E-01

+ EU-152 121 . 78 28 . 40 -5 . 39E-02 1. 53E - 01 l . 53E - 01 344 . 28 26 . 60 -9 . 14E- 02 l . 95E-01 1408 . 00 20 . 74 1 . 18£-01 2.80E-01

+ EU - 154 123.07 40 . 40 - 3 . 69E-02 l . 07E-01 1 . 07E-01 723 . 30 19 . 70 - 4 . 35E-02 3 . 17E-01 1274 . 51 35 . 50 2 . 24E-01 2.70E-01

+ EU-155 86 . 54 32 . 80 -2 . 39E- 02 1. 73E-Ol 1 . 73E-01 105 . 31 21. 80 - 5 . 60E- 02 2 . 14E-Ol

+ BI-214 609 . 31

  • 46 . 30 7 . 35E-02 l . 19E-01 l.19E - 01 1120 . 29 15 . 10 1. 63E- 01 6.16E-01 1238 . 11 5 . 94 5 . 94E- 01 1.77E+OO 1377 . 67 4 . 11 1. 14E+OO 1. 61E+OO 1407 . 98 2 . 48 9 . 89E - 01 2 . 34E+OO 1509 . 19 2 . 19 -2 . 19E-01 2 . 26E+OO 1764 . 49 15 . 80 6 . 71E-02 4 . 93E-Ol

+ PB - 214 77 . 11

  • 10 . 70 5 . 04E - 01 l . 26E - 01 5 . 46E-01 295 . 21
  • 19 . 20 1. 80E- 01 1. 97E-01 351 . 92
  • 37 . 20 1.15E- 01 l . 26E- 01

+ PA-228 89 . 95 22 . 00 3 . 04E- Ol 3 . 27E- 01 5 . 59E - Ol 93 . 35 35.00 - 6 . 78E-02 3 . 27E - 01 105 . 00 16 . 30 2 . 15E- 01 6 . 47E-01 129 . 22 2 . 97 - 6 . 35E- 01 3 . 24E+OO 338 . 32 5 . 30 2 . 03E- 01 2 . 08E+OO 463 . 00 13 . 80 2 . 33E - 01 8 . 58E-01 911 . 23 16 . 70 1 . 07E+OO 1. 09E+OO

+ AM-2 41 59 . 54 36 . 30 - 9 . 47E - 02 3 . 18E-01 3 . 18E - 01

+ CM- 243 103 . 76 23 . 00 -3 . 05E- 03 2 . 05E - 01 2 . 05E-Ol 228 . 18 10 . 60 -3 . 76E- 02 4 . 21E-Ol 277.60 14 . 00 -1.12E- 01 3 . 49E-01

+ = Nuclide identified during the nuclide identification

= Energy line found in the spectrum

> = MDA value not calculated

@ = Half-life too short to be able to perform the decay correction

? = CAUTION: MDA value is inconsistent with Currie MDA at 95% confidence level 10/19/2020 Page 18

LAC LTP - Final Status Survey Package - 8/14/2019 8/23/2019 2:57:47PM Page 7 of7 Analysis Report for S3-012-109B-FJGS-064-SM S3-012-109 B 10/19/2020 Page 19

FSS RELEASE RECORD REVISION 1 STORM DRAIN 2 ~

SURVEY UNIT S3-012-109 B LACROSSESOLUTIONS ATTACHMENT 7 GEL LABORATORIES ANALYTICAL REPORTS 54

[i]ij* I Laboratories LLc PO Bex 30712 Charleston SC 29417 a member of The GEL Group INC 2040 Sa*1a,;ie Road Charleston. SC 29407 P 843 556.8171 F 84:;_766.117B gel. com October 13, 2020 Mr. Jason Q. Spaide LaCrosseSolutions S4601 State Hwy 35 Genoa, Wisconsin 54632 Re: LACBWR Site Restoration Project, Level 5 Package Work Order: 521724

Dear Mr. Spaide:

GEL Laboratories, LLC (GEL) appreciates the opportunity to provide the enclosed analytical results for the sample(s) we received on September 18, 2020. This original data report has been prepared and reviewed in accordance with GEL's standard operating procedures.

Test results for NELAP or ISO 17025 accredited tests are verified to meet the requirements of those standards, with any exceptions noted. The results reported relate only to the items tested and to the sample as received by the laboratory. These results may not be reproduced except as full reports without approval by the laboratory.

Copies of GEL' s accreditations and certifications can be found on our website at www .gel.com.

Our policy is to provide high quality, personalized analytical services to enable you to meet your analytical needs on time every time. We trust that you will find everything in order and to your satisfaction. If you have any questions, please do not hesitate to call me at (843) 556-8171, ext. 4453.

Sincerely, Edith Kent Project Manager Purchase Order: 672583 Enclosures

Table of Contents Case Narrative....................................................................................3 Chain of Custody and Supporting Documentation.........................5 Laboratory Certifications..................................................................8 Radiological Analysis.......................................................................10 Case Narrative..........................................................................11 Sample Data Summary............................................................28 Quality Control Summary.......................................................53

Case Narrative Page 1 of 58 SDG: 521724

Case Narrative for LaCrosseSolutions, LLC (672583)

SDG: 521724 October 13, 2020 Laboratory Identification:

GEL Laboratories LLC 2040 Savage Road Charleston, South Carolina 29407 (843) 556-8171 Summary Sample Receipt The samples arrived at GEL Laboratories LLC, Charleston, South Carolina on September 18, 2020 for analysis. The samples were delivered with proper chain of custody documentation and signatures. All sample containers arrived without any visible signs of tampering or breakage. There are no additional comments concerning sample receipt.

Sample Identification The laboratory received the following samples:

Laboratory ID Client ID 521724001 Ll-SUB-TDS-CJGS-B0 1-SB 521724002 Ll-SUB-TDS-CJGS-B02-SB 521724003 Ll-SUB-TDS-CJGS-B04-SB 521724004 Ll-SUB-TDS-CJGS-B05-SB 521724005 Ll-SUB-TDS-CJGS-B07-SB 521724006 S3-012-109B-FJGS-062-SM 521724007 S3-012-109B-FJGS-063-SM 521724008 S3-012-109B-FJGS-064-SM Case Narrative Sample analyses were conducted using methodology as outlined in GEL Laboratories, LLC (GEL)

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

Data Packaz:e The enclosed data package contains the following sections: General Narrative, Chain of Custody and Supporting Documentation, and data from the following fractions: Radiochemistry.

Edith Kent Project Manager GEL Page Laboratories 2 of 58 SDG: LLC 521724 PO Box 30712 Char1eston, SC 29417 2040 Savage Road Charleston, SC 29407 P 843.556.8171 F 843.766.1178 www.gel.com

Chain of Custody and Supporting Documentation Page 3 of 58 SDG: 521724

Page 4 of 58 521'72-f-t Page: _ _ _ ! _ _ _ of _ _ _ l - - - - J tft #\! I~~£?~~!eSrl~Ra~~~l£y Specialfy Anal~ics GEL Laboratories, LLC Project II LACBWR Site 2040 Savage Road GEL Quote #: - - - - - - -- - - - ---l I SDG: 521724 COC Number Cl>:

PO Number: 6725--:8:::3-- - -- -- - -t;:G;;E;;L7,J;;;-V.or7,k:--O::::--rd7e'.'."r-;N.:;,u""in..,b:-e""'r'.'.f"'

,..::;:..;.==~;:,::;.,:.;_:~=::=.~:!:!.!!::::'.!.,.,,,,,,____ ____~

Client Name: La Crosse Solutions P Project/Site Name: LACBWR-Genoa WI

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z N

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E z"' a UJ LI-SUB-TDS-CJGS-B02,SB LI-SUB-TDS-CJGS-B04-SB LI-SUB,TDSCCJGSCBOS-SB Relinquished By (Signed)

I, Kevin L Murra 9/ 17/2020 l2-3t>

2 3

Use 011/y: Custody Seal Intact? [ ] Yes [ ] No r

'),¢epiraJ ** *" ___ , 1 I.) Chain of Custody Number "" Client Determined 2.) QC Codes: N ,,, Normal Sample. TB= Trip Blank. FD= Field Duplicate, EB= Equipment Blank.

MS= Matrix Spike Sample. MSO = Matrix Spike Duplicate Sample, G =Grab, C = Composite 3.) Field Fihen.-d: For liquid matrices, indicate with a - Y - for yes the sample was field filtaedor-N- forsamplc1,1,'3S not field filtered.

4.) Matrix CO<ks: OW=Drinking Water, GW:=Groundwater, SW"'-Surface Water, WW=Wastc Water, W=Watcr. l\'IL=Misc Liquid, SO=Soil, SD=Sedimcnt. SL=Sludge, SS=Solid Waste, (FQil, F=Filtcr.

P,:,:\Vipe. U=Urine. F=Fro1t, N=Nasal 5.) Sample Analysis Requested: Analytical mdhod requested (i.e. 82608, 6010017470A} and number of containers provided for each (i.e. 82608 3, 6010B/7470A - I).

v 6,) Pre:sa.*ativc Type HA = Hydrochloric Acid. N1 = Nitric Acid, SH = Sodium Hydroxide. SA

= Sulfuric Acid, AA = Ascorbic Acid. HX "" Ho:ane. ST === Sodium Thiosulfa!c_. lf no preservative is addc.d =- leave field blank 7,)

~ mJ Ldioralo(es ur SAMPLE RECEIPT Cli ent : & REVIEW FORM SDG/AR/COC/Work Ord er. i Received B :  ; ~ .L / 7 2 Li Da te Received:

( - Fc dfa fap rc>>

  • ~

!)edE x Grn und CC':k Ap:, li~b lc:

UPS Ca rri er and Tra cki Fie ld Ser vic e; Co uri er ng Num!Jcr Oth er Sus pec ted Ha an!

Infom1otion J!  :,E 11 [f Nl!t Counts> lOOcpm on sampll!S not m.1.rk.cd ..r.idio:ictivc

". cont:tet thi: R.idi~io n S3futy Group for furt Haz:ird Class Shippe l1\!r inv~ ig:1tio11.

A)Shioood as * 'lOT H.lzardous? V d:

[f UN29 IO. Ls the Rad UN#:

ioactive Shipment Sur

8) Did the clic:n dl!Si vey Compliant? Yts g:11ate the sampli:s an: ii' _ No _

rccciwd as rad.ir :ictivt1 to ~ ,/ COC not3tio1t orradio

.1ctivc stickers on com

Uncrs equ:ll client designation.

C) Did th< RSO l:,,.ssify the sampks ,s Ma.,imum Net Cou {

t3tlio:ictivc'/ nts Ol>scrvcd' (Ol>sc

/ rvcd Coums - All!> Bac Clossilicd as: Rad kground Coums):

I Rod 2 Rad 3 ( f) CP M / mR/Hr D) Did the clitut Ui!si l!l1atc.: s:unr,ks .11"1.! h:iz

utlous'/

I./ CJC notation orh:it:trd l;ibels 011 a,nt:U11<::rs equ:1.I cli~1 1t d:sig1:1:itio11.

f Do r Eis yes. sdect El Did the RSO it *11t ./ Hoz:uus b.!low.

ifv oossiblc haz.mls? . PCB's A:unmoblc fo1\!ign Soil RCRA Samp c R.ccci(lt Crit Asb.!stos BcryUium cri:.:a  !}. ~ Z Other.

Shipping co taincrs CommcnLqQu!llificrs 1 rci:ci vcd inlact and ~.:;: (Required for Non*Co vJ sc:llcd? Circle Appli~ bl>!: nf'om1i11g ltcn1s)

Sc3ls brok1.:n Q3m 3scd cont.liner L.c3king contlincr Chain of cui lldy d\lc Other (describe) 2 umenB included t--1-w_i_1h_~_*1~ip~

~V ~ ; !Circle Appticlbfc:

m _e ,+ ?- Cti<!nl con1:ic1e J 3nd pro\iJed COC

-- -- -- -- ~

3 Samples rcqu

.:ft_ CO C crc31cd upo n receipt ring col d preservation ~r v:i tio n Mi:thod ---

within (0 < 6 ~e~.  : Wi: t (Cl! Ice P:tcks =---

i-- -- t-- == =- e- F' C)?

  • V "'all tcmf)-:r.atun:s :ire Dr) ' io.f None ) Oth i:r.

Daily che "'- '= -- -- -- -- 4. n:co,tl~d in Celsius 4 tcmpcr ck p ~rforo-,,,d and pa.sscd on -1 -J;':1!--jr.;::-=====... '- .- ,./

TEMP: /! / ~

Jture g n? IR .* . ~ ..,

Tem per atu re Device;--;-;-;i= = = == =

""' i-;t- Serial 'lli@!IB$:id:9~ = -- -- -- -- --

t-5 -t*S--a,-n-p-lc_c_*o_n_l_:ti+-c

-r;_i_n_ta_c_t-a-n,-1-Sc-*a-*lc_d_

St!cond:uy Tt!Jl\(>.:l';U UI\! D..:vitt Si:r * -- -- -' -- -- -+

  • .!- -.1 ..V

. -l~ fr.J} f--i;::c:-:irc::!-:-c-:A-:-p fal # ([f Appticiblc): -- -~

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-<O-n-,a-,in_c_r 6

Samples rc quir ng chemical prc scrvat i~ - _O"'t""hc-*,-(..,dc-,-cn-,*b-c-)

-- -- -- -- -~ -- -!

at ion SJmpl:: iD"s 311d Con r - - 1pro per pH?


+--

/ 1:1incrs ,\ffcclt.id:


+ \

- - l .. /*:/--f,1rP~r:

JJ  :-c,:'c-'::":::~~

[f7Y,:s, ore Encore

,io;cn~*=J!!.dc:;*J":.!:l.o~*:i:..*:;-=- --

s or Soil Kits ptl!-:: -- ::- :--

7 Du any s:10 lole sre qui rc Volatile ~f IJ/o l'.qu'.d ~O A v'.ols cont:ii11 ,Olll for solids? :-: Yos

-:- -- :c :-- -:- :-.

No ,-- c- :-- -- -- --

Analysis? -i/i V :\n: hqu,d Q A s1Jls f11:c ofheadspocc?

oci<l prcscrvatio11? Yes No NA NA ([f yes, t:tlo: to VO (If unknown, s-,ioa A Fn:oz,er) _ _-4 ._ ~_ j

~j~ !ilm plc ID':. aniJ Ye s_ No _ NA No) cont.,incr:. j((c ctcd _

8 Samples rci:civl!

within holding timt!?

~t lD's :iuct tl!Sts :Ufo ctl!d:

Sam ple [D's on C 9 OC ntl lch [D' s on llottlcs? lD's :Uld conlainc,s 3ffl!ctc<l:

Da te & tirr e on CO 10 C 1m1d1 d:itc & lim e

on bot tles ? Ciit:ll! Applic:iUh::

No <btcs 011 cont:tin..:rs No tim..:s on cont:Un Nu mb er of conrai t.!rs COC mis.sin~ info 11 ers rec ei vcd match Othl!r (di:scritx:)

numllcr ind ica ted *v ,;;; Circle Applicable : No cmn:tini t- -- t- :- -- -- bn COC'! f\  ::r counl on COC Otl1,:r (di:sciib.!)

Arc ;am ple con1:u-, -- -, ;~ -- --

crs idcnli liab le a; ~

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12 GE L oro vid ed b1*

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  • ,l! ,v,,., 1 , L - -

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13 CO C for m is pro p rly signed in ftii: ------- rclinqui~1 ed/ rcc ci,

  • d section;'!

V ~ Circle Applic.,blc: Not n:linquishod

-1 Comments (Us* Co1 ,::: Other (d,scxib.!)

1tinuo ion Form if neo dod):

PM (m* PMAl 1\!vicw

lniti:tls _ M~

Page 5 of 58 SDG: 521724 GL-CHL-SR-OOt REs_

1 v1/4

Laboratory Certifications Page 6 of 58 SDG: 521724

List of current GEL Certifications as of 13 October 2020 State Certification Alabama 42200 Alaska 17-018 Alaska Drinking Water SC00012 Arkansas 88-0651 CLIA 42D0904046 California 2940 Colorado SC00012 Connecticut PH-0169 DoD ELAP/ ISOl 7025 A2LA 2567.01 Florida NELAP E87156 Foreign Soils Permit P330-15-00283,P330-15-00253 Georgia SC00012 Georgia SDWA 967 Hawaii SC00012 Idaho SC00012 Illinois NELAP 200029 Indiana C-SC-01 Kansas NELAP E-10332 Kentucky SDWA 90129 Kentucky Wastewater 90129 Louisiana Drinking Water LA024 Louisiana NELAP 03046 (AI33904)

Maine 2019020 Maryland 270 Massachusetts M-SC012 Massachusetts PFAS Approv Letter Michigan 9976 Mississippi SC00012 Nebraska NE-OS-26-13 Nevada SC000122020-1 New Hampshire NELAP 2054 New Jersey NELAP SC002 New Mexico SC00012 New York NELAP 11501 North Carolina 233 North Carolina SDWA 45709 North Dakota R-158 Oklahoma 2019-165 Pennsylvania NELAP 68-00485 Puerto Rico SC00012 S. Carolina Radiochem 10120002 Sanitation Districts of L 9255651 South Carolina Chemistry 10120001 Tennessee TN 02934 TexasNELAP T104704235-20-17 UtahNELAP SC000122020-32 Vermont VT87156 Virginia NELAP 460202 Washington C780 Page 7 of 58 SDG: 521724

Radiological Analysis Page 8 of 58 SDG: 521724

Case Narrative Page 9 of 58 SDG: 521724

Radiochemistry Technical Case Narrative LaCrosseSolutions, LLC SDG #: 521724 Product: Alphaspec Isotopic Am241 Am243, Cm243/244, Solid Analytical Method: DOE EML HASL-300, Am-05-RC Modified Analytical Procedure: GL-RAD-A-011 REV# 28 Analytical Batch: 2042096 Preparation Method: Dry Soil Prep Preparation Procedure: GL-RAD-A-021 REV# 24 Preparation Batch: 2042073 The following samples were analyzed using the above methods and analytical procedure(s).

GEL Sample ID# Client Sample Identification 521724001 Ll-SUB-TDS-CJGS-B0 1-SB 521724002 L l-SUB-TDS-CJGS-B02-SB 521724003 L l-SUB-TDS-CJGS-B04-SB 521724004 L l-SUB-TDS-CJGS-B05-SB 521724005 L l-SUB-TDS-CJGS-B07-SB 521724006 S3-012-109B-FJGS-062-SM 521724007 S3-012-109B-FJGS-063-SM 521724008 S3-012-109B-FJGS-064-SM 1204646784 Method Blank (MB) 1204646785 521724001(Ll-SUB-TDS-CJGS-B01-SB) Sample Duplicate (DUP) 1204646786 Laboratory Control Sample (LCS)

The samples in this SDG were analyzed on a "dry weight" basis.

Data Summary:

All sample data provided in this report met the acceptance criteria specified in the analytical methods and procedures for initial calibration, continuing calibration, instrument controls and process controls where applicable, with the following exceptions.

Quality Control (OC) Information Tracer/Carrier Yield The Cm-244 traced portion of sample, (see below), did not meet the client's yield requirement due to the matrix of the sample; however, the combined Am-243 & Cm-244 traced yields do meet the requirement.

Sample Analyte Value 521724004 (Ll-SUB-TDS-CJGS-B05-SB) Curium-243/244 Tracer 14.2* (15%-125%)

Technical Information Holding Time Samples (See Below) were received and analyzed outside the hold time.

Page 10 of 58 SDG: 521724

Sample Value 1204646785 (L 1-SUB-TDS-CJGS-B0 1-SBDUP) Received 18-SEP-20, out of holding 28-NOV-19 521724001 (Ll-SUB-TDS-CJGS-B0l-SB) Received 18-SEP-20, out of holding 28-NOV-19 521724002 (Ll-SUB-TDS-CJGS-B02-SB) Received 18-SEP-20, out of holding 30-NOV-19 521724003 (Ll-SUB-TDS-CJGS-B04-SB) Received 18-SEP-20, out of holding 15-NOV-19 521724004 (Ll-SUB-TDS-CJGS-B05-SB) Received 18-SEP-20, out of holding 26-NOV-19 521724005 (Ll-SUB-TDS-CJGS-B07-SB) Received 18-SEP-20, out of holding 28-NOV-19 521724006 (S3-012-109B-FJGS-062-SM) Received 18-SEP-20, out of holding 18-FEB-20 521724007 (S3-012-109B-FJGS-063-SM) Received 18-SEP-20, out of holding 18-FEB-20 521724008 (S3-012-109B-FJGS-064-SM) Received 18-SEP-20, out of holding 18-FEB-20 Recounts The Cm-244 traced portion of sample 521724004 (Ll-SUB-TDS-CJGS-B05-SB) was recounted due to low tracer yield. The recount is reported. The Am-243 and Cm-244 traced portions of sample 1204646784 (MB) were recounted due to peak shifts. The recounts are reported.

Miscellaneous Information Additional Comments Sample 521724008 (S3-012-109B-FJGS-064-SM) did not meet the resolution requirement of having a full width half maximum of 100 keV or less for the Am-243 tracer; however, the tracer yield requirement was met and the tracer peak is within the tracer region of interest.

Product: Alphaspec Np, Solid Analytical Method: ASTM C 1475-00 Modified Analytical Procedure: GL-RAD-A-069 REV# 0 Analytical Batch: 2042097 Preparation Method: Dry Soil Prep Preparation Procedure: GL-RAD-A-021 REV# 24 Preparation Batch: 2042073 The following samples were analyzed using the above methods and analytical procedure(s).

GEL Sample ID# Client Sample Identification 521724001 Ll-SUB-TDS-CJGS-B0 1-SB 521724002 L l-SUB-TDS-CJGS-B02-SB 521724003 L l-SUB-TDS-CJGS-B04-SB 521724004 L l-SUB-TDS-CJGS-B05-SB 521724005 L l-SUB-TDS-CJGS-B07-SB 521724006 S3-012-109B-FJGS-062-SM 521724007 S3-012-109B-FJGS-063-SM 521724008 S3-012-109B-FJGS-064-SM 1204646787 Method Blank (MB) 1204646788 521724001(Ll-SUB-TDS-CJGS-B01-SB) Sample Duplicate (DUP)

Page 11 of 58 SDG: 521724

1204646789 Laboratory Control Sample (LCS)

The samples in this SDG were analyzed on a "dry weight" basis.

Data Summary:

All sample data provided in this report met the acceptance criteria specified in the analytical methods and procedures for initial calibration, continuing calibration, instrument controls and process controls where applicable, with the following exceptions.

Technical Information Holding Time Samples (See Below) were received and analyzed outside the hold time.

Sample Value 1204646788 (Ll-SUB-TDS-CJGS-B0 1-SBDUP) Received 18-SEP-20, out of holding 28-NOV-19 521724001 (Ll-SUB-TDS-CJGS-B0I-SB) Received 18-SEP-20, out of holding 28-NOV-19 521724002 (Ll-SUB-TDS-CJGS-B02-SB) Received 18-SEP-20, out of holding 30-NOV-19 521724003 (Ll-SUB-TDS-CJGS-B04-SB) Received 18-SEP-20, out of holding 15-NOV-19 521724004 (Ll-SUB-TDS-CJGS-B05-SB) Received 18-SEP-20, out of holding 26-NOV-19 521724005 (Ll-SUB-TDS-CJGS-B07-SB) Received 18-SEP-20, out of holding 28-NOV-19 521724006 (S3-012-109B-FJGS-062-SM) Received 18-SEP-20, out of holding 18-FEB-20 521724007 (S3-012-109B-FJGS-063-SM) Received 18-SEP-20, out of holding 18-FEB-20 521724008 (S3-012-109B-FJGS-064-SM) Received 18-SEP-20, out of holding 18-FEB-20 Recounts Samples 1204646788 (Ll-SUB-TDS-CJGS-B0I-SBDUP) and 1204646789 (LCS) were recounted to verify sample results. Recounts are reported. Sample 521724003 (Ll-SUB-TDS-CJGS-B04-SB) was recounted due to a suspected false positive. The recount is reported.

Product: Alphaspec Pu238, 239/240, Solid Analytical Method: DOE EML HASL-300, Pu-11-RC Modified Analytical Procedure: GL-RAD-A-011 REV# 28 Analytical Batch: 2042098 Preparation Method: Dry Soil Prep Preparation Procedure: GL-RAD-A-021 REV# 24 Preparation Batch: 2042073 The following samples were analyzed using the above methods and analytical procedure(s).

GEL Sample ID# Client Sample Identification 521724001 Ll-SUB-TDS-CJGS-B0 I-SB 521724002 Ll-SUB-TDS-CJGS-B02-SB Page 12 of 58 SDG: 521724

521724003 L l-SUB-TDS-CJGS-B04-SB 521724004 L l-SUB-TDS-CJGS-B05-SB 521724005 L l-SUB-TDS-CJGS-B07-SB 521724006 S3-012-109B-FJGS-062-SM 521724007 S3-012-109B-FJGS-063-SM 521724008 S3-012-109B-FJGS-064-SM 1204646790 Method Blank (MB) 1204646791 521724001(Ll-SUB-TDS-CJGS-B01-SB) Sample Duplicate (DUP) 1204646792 Laboratory Control Sample (LCS)

The samples in this SDG were analyzed on a "dry weight" basis.

Data Summary:

All sample data provided in this report met the acceptance criteria specified in the analytical methods and procedures for initial calibration, continuing calibration, instrument controls and process controls where applicable, with the following exceptions.

Technical Information Holding Time Samples (See Below) were received and analyzed outside the hold time.

Sample Value 1204646791 (Ll-SUB-TDS-CJGS-B0 1-SBDUP) Received 18-SEP-20, out of holding 28-NOV-19 521724001 (Ll-SUB-TDS-CJGS-B0l-SB) Received 18-SEP-20, out of holding 28-NOV-19 521724002 (Ll-SUB-TDS-CJGS-B02-SB) Received 18-SEP-20, out of holding 30-NOV-19 521724003 (Ll-SUB-TDS-CJGS-B04-SB) Received 18-SEP-20, out of holding 15-NOV-19 521724004 (Ll-SUB-TDS-CJGS-B05-SB) Received 18-SEP-20, out of holding 26-NOV-19 521724005 (Ll-SUB-TDS-CJGS-B07-SB) Received 18-SEP-20, out of holding 28-NOV-19 521724006 (S3-012-109B-FJGS-062-SM) Received 18-SEP-20, out of holding 18-FEB-20 521724007 (S3-012-109B-FJGS-063-SM) Received 18-SEP-20, out of holding 18-FEB-20 521724008 (S3-012-109B-FJGS-064-SM) Received 18-SEP-20, out of holding 18-FEB-20 Product: Dry Weight Preparation Method: Dry Soil Prep Preparation Procedure: GL-RAD-A-021 REV# 24 Preparation Batch: 2042073 The following samples were analyzed using the above methods and analytical procedure(s).

GEL Sample ID# Client Sample Identification 521724001 Ll-SUB-TDS-CJGS-B0 1-SB 521724002 Ll-SUB-TDS-CJGS-B02-SB 521724003 Ll-SUB-TDS-CJGS-B04-SB Page 13 of 58 SDG: 521724

521724004 L l-SUB-TDS-CJGS-B05-SB 521724005 L l-SUB-TDS-CJGS-B07-SB 521724006 S3-012-109B-FJGS-062-SM 521724007 S3-012-109B-FJGS-063-SM 521724008 S3-012-109B-FJGS-064-SM The samples in this SDG were analyzed on an "as received" basis.

Data Summary:

There are no exceptions, anomalies or deviations from the specified methods. All sample data provided in this report met the acceptance criteria specified in the analytical methods and procedures for initial calibration, continuing calibration, instrument controls and process controls where applicable.

Product: Gamma, Cs137, Co60, Nb94, Eu152, Eu154, Eu155 Analytical Method: DOE HASL 300, 4.5.2.3/Ga-01-R Analytical Procedure: GL-RAD-A-013 REV# 27 Analytical Batch: 2042160 Preparation Method: Dry Soil Prep Preparation Procedure: GL-RAD-A-021 REV# 24 Preparation Batch: 2042073 The following samples were analyzed using the above methods and analytical procedure(s).

GEL Sample ID# Client Sample Identification 521724001 Ll-SUB-TDS-CJGS-B0 1-SB 521724002 L l-SUB-TDS-CJGS-B02-SB 521724003 L l-SUB-TDS-CJGS-B04-SB 521724004 L l-SUB-TDS-CJGS-B05-SB 521724005 L l-SUB-TDS-CJGS-B07-SB 521724006 S3-012-109B-FJGS-062-SM 521724007 S3-012-109B-FJGS-063-SM 521724008 S3-012-109B-FJGS-064-SM 1204646946 Method Blank (MB) 1204646947 521724001(Ll-SUB-TDS-CJGS-B01-SB) Sample Duplicate (DUP) 1204646948 Laboratory Control Sample (LCS)

The samples in this SDG were analyzed on a "dry weight" basis.

Data Summary:

All sample data provided in this report met the acceptance criteria specified in the analytical methods and procedures for initial calibration, continuing calibration, instrument controls and process controls where applicable, with the following exceptions.

Quality Control (OC) Information Duplication Criteria between QC Sample and Duplicate Sample The Sample and the Duplicate, (See Below), did not meet the relative percent difference requirement; however, they do meet the relative error ratio requirement with the value listed below.

Page 14 of 58 SDG: 521724

Sample Analyte Value 1204646947 (L 1-SUB-TDS-CJGS-B0 1-SBDUP) Cesium-137 RPD 21.9* (0.00%-20.00%) RER 0.966 (0-3)

Technical Information Holding Time Samples (See Below) were received and analyzed outside the hold time.

Sample Value 1204646947 (Ll-SUB-TDS-CJGS-B0l-SBDUP) Received 18-SEP-20, out of holding 28-NOV-19 521724001 (Ll-SUB-TDS-CJGS-B0l-SB) Received 18-SEP-20, out of holding 28-NOV-19 521724002 (Ll-SUB-TDS-CJGS-B02-SB) Received 18-SEP-20, out of holding 30-NOV-19 521724003 (Ll-SUB-TDS-CJGS-B04-SB) Received 18-SEP-20, out of holding 15-NOV-19 521724004 (Ll-SUB-TDS-CJGS-B05-SB) Received 18-SEP-20, out of holding 26-NOV-19 521724005 (Ll-SUB-TDS-CJGS-B07-SB) Received 18-SEP-20, out of holding 28-NOV-19 521724006 (S3-012-109B-FJGS-062-SM) Received 18-SEP-20, out of holding 18-FEB-20 521724007 (S3-012-109B-FJGS-063-SM) Received 18-SEP-20, out of holding 18-FEB-20 521724008 (S3-012-109B-FJGS-064-SM) Received 18-SEP-20, out of holding 18-FEB-20 Qualifier Information Qualifier Reason Analyte Sample Client Sample Results are considered a Ul false positive due to low Europium-155 521724002 Ll-SUB-TDS-CJGS-B02-SB abundance.

Product: Gamma Ni59, Solid Analytical Method: DOE RESL Ni-1 Analytical Procedure: GL-RAD-A-022 REV# 19 Analytical Batch: 2044929 Preparation Method: Dry Soil Prep Preparation Procedure: GL-RAD-A-021 REV# 24 Preparation Batch: 2042073 The following samples were analyzed using the above methods and analytical procedure(s).

GEL Sample ID# Client Sample Identification 521724001 Ll-SUB-TDS-CJGS-B0 1-SB 521724002 L l-SUB-TDS-CJGS-B02-SB Page 15 of 58 SDG: 521724

521724003 L l-SUB-TDS-CJGS-B04-SB 521724004 L l-SUB-TDS-CJGS-B05-SB 521724005 L l-SUB-TDS-CJGS-B07-SB 521724006 S3-012-109B-FJGS-062-SM 521724007 S3-012-109B-FJGS-063-SM 521724008 S3-012-109B-FJGS-064-SM 1204653141 Method Blank (MB) 1204653142 521724001(Ll-SUB-TDS-CJGS-B01-SB) Sample Duplicate (DUP) 1204653143 Laboratory Control Sample (LCS)

The samples in this SDG were analyzed on a "dry weight" basis.

Data Summary:

All sample data provided in this report met the acceptance criteria specified in the analytical methods and procedures for initial calibration, continuing calibration, instrument controls and process controls where applicable, with the following exceptions.

Technical Information Holding Time Samples (See Below) were received and analyzed outside the hold time.

Sample Value 1204653142 (Ll-SUB-TDS-CJGS-B0l-SBDUP) Received 18-SEP-20, out of holding 28-NOV-19 521724001 (Ll-SUB-TDS-CJGS-B0l-SB) Received 18-SEP-20, out of holding 28-NOV-19 521724002 (Ll-SUB-TDS-CJGS-B02-SB) Received 18-SEP-20, out of holding 30-NOV-19 521724003 (Ll-SUB-TDS-CJGS-B04-SB) Received 18-SEP-20, out of holding 15-NOV-19 521724004 (Ll-SUB-TDS-CJGS-B05-SB) Received 18-SEP-20, out of holding 26-NOV-19 521724005 (Ll-SUB-TDS-CJGS-B07-SB) Received 18-SEP-20, out of holding 28-NOV-19 521724006 (S3-012-109B-FJGS-062-SM) Received 18-SEP-20, out of holding 18-FEB-20 521724007 (S3-012-109B-FJGS-063-SM) Received 18-SEP-20, out of holding 18-FEB-20 521724008 (S3-012-109B-FJGS-064-SM) Received 18-SEP-20, out of holding 18-FEB-20 Product: GFPC, Sr90, Solid Analytical Method: EPA 905.0 Modified/DOE RP501 Rev. 1 Modified Analytical Procedure: GL-RAD-A-004 REV# 21 Analytical Batch: 2042511 Preparation Method: Dry Soil Prep Preparation Procedure: GL-RAD-A-021 REV# 24 Preparation Batch: 2042073 Page 16 of 58 SDG: 521724

The following samples were analyzed using the above methods and analytical procedure(s).

GEL Sample ID# Client Sample Identification 521724001 Ll-SUB-TDS-CJGS-B0 I-SB 521724002 L l-SUB-TDS-CJGS-B02-SB 521724003 L l-SUB-TDS-CJGS-B04-SB 521724004 L l-SUB-TDS-CJGS-B05-SB 521724005 L l-SUB-TDS-CJGS-B07-SB 521724006 S3-012-109B-FJGS-062-SM 521724007 S3-012-109B-FJGS-063-SM 521724008 S3-012-109B-FJGS-064-SM 1204647797 Method Blank (MB) 1204647798 521724005(Ll-SUB-TDS-CJGS-B07-SB) Sample Duplicate (DUP) 1204647799 Laboratory Control Sample (LCS)

The samples in this SDG were analyzed on a "dry weight" basis.

Data Summary:

All sample data provided in this report met the acceptance criteria specified in the analytical methods and procedures for initial calibration, continuing calibration, instrument controls and process controls where applicable, with the following exceptions.

Preparation Information Homogenous Matrix Samples were non-homogenous matrix. Sand Technical Information Holding Time Samples (See Below) were received and analyzed outside the hold time.

Sample Value 1204647798 (Ll-SUB-TDS-CJGS-B07-SBDUP) Received 18-SEP-20, out of holding 28-NOV-19 521724001 (Ll-SUB-TDS-CJGS-B0l-SB) Received 18-SEP-20, out of holding 28-NOV-19 521724002 (Ll-SUB-TDS-CJGS-B02-SB) Received 18-SEP-20, out of holding 30-NOV-19 521724003 (Ll-SUB-TDS-CJGS-B04-SB) Received 18-SEP-20, out of holding 15-NOV-19 521724004 (Ll-SUB-TDS-CJGS-B05-SB) Received 18-SEP-20, out of holding 26-NOV-19 521724005 (Ll-SUB-TDS-CJGS-B07-SB) Received 18-SEP-20, out of holding 28-NOV-19 521724006 (S3-012-109B-FJGS-062-SM) Received 18-SEP-20, out of holding 18-FEB-20 521724007 (S3-012-109B-FJGS-063-SM) Received 18-SEP-20, out of holding 18-FEB-20 521724008 (S3-012-109B-FJGS-064-SM) Received 18-SEP-20, out of holding 18-FEB-20 Recounts Sample 1204647799 (LCS) was recounted due to high recovery. The recount is reported. Sample 521724002 (Ll-SUB-TDS-CJGS-B02-SB) was recounted due to a suspected false positive. The recount is reported.

Page 17 of 58 SDG: 521724

Product: Liquid Scint Pu241, Solid Analytical Method: DOE EML HASL-300, Pu-11-RC Modified Analytical Procedure: GL-RAD-A-035 REV# 21 Analytical Batch: 2042099 Preparation Method: Dry Soil Prep Preparation Procedure: GL-RAD-A-021 REV# 24 Preparation Batch: 2042073 The following samples were analyzed using the above methods and analytical procedure(s).

GEL Sample ID# Client Sample Identification 521724001 Ll-SUB-TDS-CJGS-B0 1-SB 521724002 Ll-SUB-TDS-CJGS-B02-SB 521724003 Ll-SUB-TDS-CJGS-B04-SB 521724004 Ll-SUB-TDS-CJGS-B05-SB 521724005 Ll-SUB-TDS-CJGS-B07-SB 521724006 S3-012-109B-FJGS-062-SM 521724007 S3-012-109B-FJGS-063-SM 521724008 S3-012-109B-FJGS-064-SM 1204646793 Method Blank (MB) 1204646794 521724001(Ll-SUB-TDS-CJGS-B01-SB) Sample Duplicate (DUP) 1204646795 Laboratory Control Sample (LCS)

The samples in this SDG were analyzed on a "dry weight" basis.

Data Summary:

All sample data provided in this report met the acceptance criteria specified in the analytical methods and procedures for initial calibration, continuing calibration, instrument controls and process controls where applicable, with the following exceptions.

Technical Information Holding Time Samples (See Below) were received and analyzed outside the hold time.

Sample Value 1204646794 (Ll-SUB-TDS-CJGS-B0l-SBDUP) Received 18-SEP-20, out of holding 28-NOV-19 521724001 (Ll-SUB-TDS-CJGS-B0l-SB) Received 18-SEP-20, out of holding 28-NOV-19 521724002 (Ll-SUB-TDS-CJGS-B02-SB) Received 18-SEP-20, out of holding 30-NOV-19 521724003 (Ll-SUB-TDS-CJGS-B04-SB) Received 18-SEP-20, out of holding 15-NOV-19 521724004 (Ll-SUB-TDS-CJGS-B05-SB) Received 18-SEP-20, out of holding 26-NOV-19 521724005 (Ll-SUB-TDS-CJGS-B07-SB) Received 18-SEP-20, out of holding 28-NOV-19 521724006 (S3-012-109B-FJGS-062-SM) Received 18-SEP-20, out of holding 18-FEB-20 521724007 (S3-012-109B-FJGS-063-SM) Received 18-SEP-20, out of holding 18-FEB-20 521724008 (S3-012-109B-FJGS-064-SM) Received 18-SEP-20, out of holding 18-FEB-20 Page 18 of 58 SDG: 521724

Recounts Samples 521724002 (Ll-SUB-TDS-CJGS-B02-SB) and 521724003 (Ll-SUB-TDS-CJGS-B04-SB) were recounted due to a suspected false positive. The recounts are reported.

Product: Liquid Scint Fe55, Solid Analytical Method: DOE RESL Fe-1, Modified Analytical Procedure: GL-RAD-A-040 REV# 13 Analytical Batch: 2042294 Preparation Method: Dry Soil Prep Preparation Procedure: GL-RAD-A-021 REV# 24 Preparation Batch: 2042073 The following samples were analyzed using the above methods and analytical procedure(s).

GEL Sample ID# Client Sample Identification 521724001 Ll-SUB-TDS-CJGS-B0 1-SB 521724002 Ll-SUB-TDS-CJGS-B02-SB 521724003 Ll-SUB-TDS-CJGS-B04-SB 521724004 Ll-SUB-TDS-CJGS-B05-SB 521724005 Ll-SUB-TDS-CJGS-B07-SB 521724006 S3-012-109B-FJGS-062-SM 521724007 S3-012-109B-FJGS-063-SM 521724008 S3-012-109B-FJGS-064-SM 1204647266 Method Blank (MB) 1204647267 521724001(Ll-SUB-TDS-CJGS-B01-SB) Sample Duplicate (DUP) 1204647268 Laboratory Control Sample (LCS)

The samples in this SDG were analyzed on a "dry weight" basis.

Data Summary:

All sample data provided in this report met the acceptance criteria specified in the analytical methods and procedures for initial calibration, continuing calibration, instrument controls and process controls where applicable, with the following exceptions.

Technical Information Holding Time Samples (See Below) were received and analyzed outside the hold time.

Sample Value 1204647267 (Ll-SUB-TDS-CJGS-B0 1-SBDUP) Received 18-SEP-20, out of holding 28-NOV-19 521724001 (Ll-SUB-TDS-CJGS-B0l-SB) Received 18-SEP-20, out of holding 28-NOV-19 521724002 (Ll-SUB-TDS-CJGS-B02-SB) Received 18-SEP-20, out of holding 30-NOV-19 521724003 (Ll-SUB-TDS-CJGS-B04-SB) Received 18-SEP-20, out of holding 15-NOV-19 521724004 (Ll-SUB-TDS-CJGS-B05-SB) Received 18-SEP-20, out of holding 26-NOV-19 Page 19 of 58 SDG: 521724

521724005 (Ll-SUB-TDS-CJGS-B07-SB) Received 18-SEP-20, out of holding 28-NOV-19 521724006 (S3-012-109B-FJGS-062-SM) Received 18-SEP-20, out of holding 18-FEB-20 521724007 (S3-012-109B-FJGS-063-SM) Received 18-SEP-20, out of holding 18-FEB-20 521724008 (S3-012-109B-FJGS-064-SM) Received 18-SEP-20, out of holding 18-FEB-20 Product: Liquid Scint Ni63, Solid Analytical Method: DOE RESL Ni-I, Modified Analytical Procedure: GL-RAD-A-022 REV# 19 Analytical Batch: 2042296 Preparation Method: Dry Soil Prep Preparation Procedure: GL-RAD-A-021 REV# 24 Preparation Batch: 2042073 The following samples were analyzed using the above methods and analytical procedure(s).

GEL Sample ID# Client Sample Identification 521724001 Ll-SUB-TDS-CJGS-B0 1-SB 521724002 L l-SUB-TDS-CJGS-B02-SB 521724003 L l-SUB-TDS-CJGS-B04-SB 521724004 L l-SUB-TDS-CJGS-B05-SB 521724005 L l-SUB-TDS-CJGS-B07-SB 521724006 S3-012-109B-FJGS-062-SM 521724007 S3-012-109B-FJGS-063-SM 521724008 S3-012-109B-FJGS-064-SM 1204647269 Method Blank (MB) 1204647270 521724001(Ll-SUB-TDS-CJGS-B01-SB) Sample Duplicate (DUP) 1204647271 Laboratory Control Sample (LCS)

The samples in this SDG were analyzed on a "dry weight" basis.

Data Summary:

All sample data provided in this report met the acceptance criteria specified in the analytical methods and procedures for initial calibration, continuing calibration, instrument controls and process controls where applicable, with the following exceptions.

Technical Information Holding Time Samples (See Below) were received and analyzed outside the hold time.

Sample Value 1204647270 (Ll-SUB-TDS-CJGS-B0l-SBDUP) Received 18-SEP-20, out of holding 28-NOV-19 521724001 (Ll-SUB-TDS-CJGS-B0I-SB) Received 18-SEP-20, out of holding 28-NOV-19 Page 20 of 58 SDG: 521724

521724002 (Ll-SUB-TDS-CJGS-B02-SB) Received 18-SEP-20, out of holding 30-NOV-19 521724003 (Ll-SUB-TDS-CJGS-B04-SB) Received 18-SEP-20, out of holding 15-NOV-19 521724004 (Ll-SUB-TDS-CJGS-B05-SB) Received 18-SEP-20, out of holding 26-NOV-19 521724005 (Ll-SUB-TDS-CJGS-B07-SB) Received 18-SEP-20, out of holding 28-NOV-19 521724006 (S3-012-109B-FJGS-062-SM) Received 18-SEP-20, out of holding 18-FEB-20 521724007 (S3-012-109B-FJGS-063-SM) Received 18-SEP-20, out of holding 18-FEB-20 521724008 (S3-012-109B-FJGS-064-SM) Received 18-SEP-20, out of holding 18-FEB-20 Product: Liquid Scint C14, Solid Analytical Method: EPA EERF C-01 Modified Analytical Procedure: GL-RAD-A-003 REV# 16 Analytical Batch: 2046296 The following samples were analyzed using the above methods and analytical procedure(s).

GEL Sample ID# Client Sample Identification 521724001 Ll-SUB-TDS-CJGS-B0 I-SB 521724002 Ll-SUB-TDS-CJGS-B02-SB 521724003 Ll-SUB-TDS-CJGS-B04-SB 521724004 Ll-SUB-TDS-CJGS-B05-SB 521724005 Ll-SUB-TDS-CJGS-B07-SB 521724006 S3-012-109B-FJGS-062-SM 521724007 S3-012-109B-FJGS-063-SM 521724008 S3-012-109B-FJGS-064-SM 1204656258 Method Blank (MB) 1204656259 521724001(Ll-SUB-TDS-CJGS-B01-SB) Sample Duplicate (DUP) 1204656260 521724001(Ll-SUB-TDS-CJGS-B01-SB) Matrix Spike (MS) 1204656261 Laboratory Control Sample (LCS)

The samples in this SDG were analyzed on an "as received" basis.

Data Summary:

All sample data provided in this report met the acceptance criteria specified in the analytical methods and procedures for initial calibration, continuing calibration, instrument controls and process controls where applicable, with the following exceptions.

Technical Information Holding Time Samples (See Below) were received and analyzed outside the hold time.

Sample Value 1204656259 (Ll-SUB-TDS-CJGS-B0I-SBDUP) Received 18-SEP-20, out of holding 28-NOV-19 1204656260 (Ll-SUB-TDS-CJGS-B0I-SBMS) Received 18-SEP-20, out of holding 28-NOV-19 Page 21 of 58 SDG: 521724

521724001 (Ll-SUB-TDS-CJGS-B0I-SB) Received 18-SEP-20, out of holding 28-NOV-19 521724002 (Ll-SUB-TDS-CJGS-B02-SB) Received 18-SEP-20, out of holding 30-NOV-19 521724003 (Ll-SUB-TDS-CJGS-B04-SB) Received 18-SEP-20, out of holding 15-NOV-19 521724004 (Ll-SUB-TDS-CJGS-B05-SB) Received 18-SEP-20, out of holding 26-NOV-19 521724005 (Ll-SUB-TDS-CJGS-B07-SB) Received 18-SEP-20, out of holding 28-NOV-19 521724006 (S3-012-109B-FJGS-062-SM) Received 18-SEP-20, out of holding 18-FEB-20 521724007 (S3-012-109B-FJGS-063-SM) Received 18-SEP-20, out of holding 18-FEB-20 521724008 (S3-012-109B-FJGS-064-SM) Received 18-SEP-20, out of holding 18-FEB-20 Product: LSC, Tritium Distillation, Solid Analytical Method: EPA 906.0 Modified Analytical Procedure: GL-RAD-A-002 REV# 23 Analytical Batch: 2046317 The following samples were analyzed using the above methods and analytical procedure(s).

GEL Sample ID# Client Sample Identification 521724001 Ll-SUB-TDS-CJGS-B0 I-SB 521724002 Ll-SUB-TDS-CJGS-B02-SB 521724003 Ll-SUB-TDS-CJGS-B04-SB 521724004 Ll-SUB-TDS-CJGS-B05-SB 521724005 Ll-SUB-TDS-CJGS-B07-SB 521724006 S3-012-109B-FJGS-062-SM 521724007 S3-012-109B-FJGS-063-SM 521724008 S3-012-109B-FJGS-064-SM 1204656318 Method Blank (MB) 1204656319 521724001(Ll-SUB-TDS-CJGS-B01-SB) Sample Duplicate (DUP) 1204656320 521724001(Ll-SUB-TDS-CJGS-B01-SB) Matrix Spike (MS) 1204656321 Laboratory Control Sample (LCS)

The samples in this SDG were analyzed on an "as received" basis.

Data Summary:

All sample data provided in this report met the acceptance criteria specified in the analytical methods and procedures for initial calibration, continuing calibration, instrument controls and process controls where applicable, with the following exceptions.

Technical Information Holding Time Samples (See Below) were received and analyzed outside the hold time.

Sample Value 1204656319 (Ll-SUB-TDS-CJGS-B0I-SBDUP) Received 18-SEP-20, out of holding 28-NOV-19 Page 22 of 58 SDG: 521724

1204656320 (Ll-SUB-TDS-CJGS-B0l-SBMS) Received 18-SEP-20, out of holding 28-NOV-19 521724001 (Ll-SUB-TDS-CJGS-B0l-SB) Received 18-SEP-20, out of holding 28-NOV-19 521724002 (Ll-SUB-TDS-CJGS-B02-SB) Received 18-SEP-20, out of holding 30-NOV-19 521724003 (Ll-SUB-TDS-CJGS-B04-SB) Received 18-SEP-20, out of holding 15-NOV-19 521724004 (Ll-SUB-TDS-CJGS-B05-SB) Received 18-SEP-20, out of holding 26-NOV-19 521724005 (Ll-SUB-TDS-CJGS-B07-SB) Received 18-SEP-20, out of holding 28-NOV-19 521724006 (S3-012-109B-FJGS-062-SM) Received 18-SEP-20, out of holding 18-FEB-20 521724007 (S3-012-109B-FJGS-063-SM) Received 18-SEP-20, out of holding 18-FEB-20 521724008 (S3-012-109B-FJGS-064-SM) Received 18-SEP-20, out of holding 18-FEB-20 Recounts Sample 1204656320 (Ll-SUB-TDS-CJGS-B0l-SBMS) was recounted due to low recovery. The recount is reported.

Product: Liquid Scint Tc99, Solid Analytical Method: DOE EML HASL-300, Tc-02-RC Modified Analytical Procedure: GL-RAD-A-059 REV# 5 Analytical Batch: 2047687 The following samples were analyzed using the above methods and analytical procedure(s).

GEL Sample ID# Client Sample Identification 521724001 Ll-SUB-TDS-CJGS-B0 1-SB 521724002 Ll-SUB-TDS-CJGS-B02-SB 521724003 Ll-SUB-TDS-CJGS-B04-SB 521724004 Ll-SUB-TDS-CJGS-B05-SB 521724005 Ll-SUB-TDS-CJGS-B07-SB 521724006 S3-012-109B-FJGS-062-SM 521724007 S3-012-109B-FJGS-063-SM 521724008 S3-012-109B-FJGS-064-SM 1204659473 Method Blank (MB) 1204659474 521724001(Ll-SUB-TDS-CJGS-B01-SB) Sample Duplicate (DUP) 1204659475 Laboratory Control Sample (LCS)

The samples in this SDG were analyzed on an "as received" basis.

Data Summary:

All sample data provided in this report met the acceptance criteria specified in the analytical methods and procedures for initial calibration, continuing calibration, instrument controls and process controls where applicable, with the following exceptions.

Technical Information Holding Time Samples (See Below) were received and analyzed outside the hold time.

Page 23 of 58 SDG: 521724

Sample Value 1204659474 (L 1-SUB-TDS-CJGS-B0 1-SBDUP) Received 18-SEP-20, out of holding 28-NOV-19 521724001 (Ll-SUB-TDS-CJGS-B0l-SB) Received 18-SEP-20, out of holding 28-NOV-19 521724002 (Ll-SUB-TDS-CJGS-B02-SB) Received 18-SEP-20, out of holding 30-NOV-19 521724003 (Ll-SUB-TDS-CJGS-B04-SB) Received 18-SEP-20, out of holding 15-NOV-19 521724004 (Ll-SUB-TDS-CJGS-B05-SB) Received 18-SEP-20, out of holding 26-NOV-19 521724005 (Ll-SUB-TDS-CJGS-B07-SB) Received 18-SEP-20, out of holding 28-NOV-19 521724006 (S3-012-109B-FJGS-062-SM) Received 18-SEP-20, out of holding 18-FEB-20 521724007 (S3-012-109B-FJGS-063-SM) Received 18-SEP-20, out of holding 18-FEB-20 521724008 (S3-012-109B-FJGS-064-SM) Received 18-SEP-20, out of holding 18-FEB-20 Sample Re-prep/Re-analysis Samples were reprepped due to the quench number being outside the calibration range. The re-analysis is being reported.

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.

Page 24 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Qualifier Definition Report for ENRG070 LaCrosseSolutions, LLC (672583)

Client SDG: 521724 GEL Work Order: 521724 The Qualifiers in this report are defined as follows:

  • A quality control analyte recovery is outside of specified acceptance criteria
    • Analyte is a Tracer compound H Analytical holding time was exceeded U Analyte was analyzed for, but not detected above the MDL, MDA, MDC or LOD.

UI Gamma Spectroscopy--Uncertain identification h Preparation or preservation holding time was exceeded Review/Validation GEL requires all analytical data to be verified by a qualified data reviewer. In addition, all CLP-like deliverables receive a third level review of the fractional data package.

The following data validator verified the information presented in this data report:

Signature: Name: Theresa Austin Date: 16 OCT 2020

Title:

Group Leader Page 25 of 58 SDG: 521724

Sample Data Summary Page 26 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Report Date: October 16, 2020 Company : LaCrosseSolutions Address : S4601 State Hwy 35 Genoa, Wisconsin 54632

Contact:

Mr. Jason Q. Spaide Project: LACBWR Site Restoration Project, Level 5 Package Client Sample ID: L1-SUB-TDS-CJGS-B01-SB Project: ENRG07002 Sample ID: 521724001 Client ID: ENRG070 Matrix: Misc Solid Collect Date: 01-JUN-19 12:23 Receive Date: 18-SEP-20 Collector: Client Parameter Qualifier Result Uncertainty MDC RL Units PF DF Analyst Date Time Batch Method Rad Alpha Spec Analysis Alphaspec Isotopic Am241 Am243, Cm243/244, Solid "Dry Weight Corrected" Americium-241 HUh 0.0107 +/-0.0191 0.0311 0.400 pCi/g BXA4 10/09/20 0912 2042096 1 Americium-243 HUh 0.00521 +/-0.0192 0.0370 0.400 pCi/g Curium-243/244 HUh -0.00296 +/-0.0134 0.0337 0.400 pCi/g Alphaspec Np, Solid "Dry Weight Corrected" Neptunium-237 HUh 0.00267 +/-0.00348 0.00512 0.0100 pCi/g BXA4 10/10/20 1417 2042097 2 Alphaspec Pu238, 239/240, Solid "Dry Weight Corrected" Plutonium-238 HUh 0.00459 +/-0.0126 0.0219 0.400 pCi/g BXA4 10/09/20 0906 2042098 3 Plutonium-239/240 HUh 0.000994 +/-0.0104 0.0217 0.400 pCi/g Liquid Scint Pu241, Solid "Dry Weight Corrected" Plutonium-241 HUh 1.88 +/-1.77 2.95 5.00 pCi/g BXA4 10/10/20 1830 2042099 4 Rad Gamma Spec Analysis Gamma Ni59, Solid "Dry Weight Corrected" Nickel-59 HUh 0.0709 +/-1.25 2.13 5.00 pCi/g RP1 09/28/20 0910 2044929 5 Gamma, Cs137, Co60, Nb94, Eu152, Eu154, Eu155 "Dry Weight Corrected" Cesium-137 Hh 0.139 +/-0.0275 0.0218 1.00 pCi/g MXR1 09/21/20 1101 2042160 6 Cobalt-60 HUh 0.00459 +/-0.0178 0.0376 pCi/g Europium-152 HUh -0.00733 +/-0.0325 0.0647 pCi/g Europium-154 HUh 0.0542 +/-0.0473 0.111 pCi/g Europium-155 HUh 0.0104 +/-0.0389 0.0781 pCi/g Niobium-94 HUh 0.00576 +/-0.0105 0.0224 pCi/g Rad Gas Flow Proportional Counting GFPC, Sr90, Solid "Dry Weight Corrected" Strontium-90 HUh -0.141 +/-0.107 0.229 0.400 pCi/g LXB3 10/07/20 1359 2042511 7 Rad Liquid Scintillation Analysis LSC, Tritium Distillation, Solid "As Received" Tritium HU 1.66 +/-4.22 7.26 10.0 pCi/g TXJ1 10/09/20 0628 2046317 8 Liquid Scint C14, Solid "As Received" Carbon-14 HU -0.470 +/-2.09 3.62 5.00 pCi/g EW3 10/08/20 0438 2046296 9 Liquid Scint Tc99, Solid "As Received" Technetium-99 HU -0.958 +/-0.946 1.67 2.00 pCi/g JJ3 10/11/20 1141 2047687 10 Liquid Scint Fe55, Solid "Dry Weight Corrected" Iron-55 HUh -1.41 +/-5.08 7.03 10.0 pCi/g RP1 09/24/20 1217 2042294 11 Liquid Scint Ni63, Solid "Dry Weight Corrected" Page 27 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Report Date: October 16, 2020 Company : LaCrosseSolutions Address : S4601 State Hwy 35 Genoa, Wisconsin 54632

Contact:

Mr. Jason Q. Spaide Project: LACBWR Site Restoration Project, Level 5 Package Client Sample ID: L1-SUB-TDS-CJGS-B01-SB Project: ENRG07002 Sample ID: 521724001 Client ID: ENRG070 Parameter Qualifier Result Uncertainty MDC RL Units PF DF Analyst Date Time Batch Method Rad Liquid Scintillation Analysis Liquid Scint Ni63, Solid "Dry Weight Corrected" Nickel-63 HUh 0.0490 +/-2.14 3.72 5.00 pCi/g RP1 09/24/20 0539 2042296 12 The following Prep Methods were performed:

Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 LYT1 09/18/20 1233 2042073 The following Analytical Methods were performed:

Method Description Analyst Comments 1 DOE EML HASL-300, Am-05-RC Modified 2 ASTM C 1475-00 Modified 3 DOE EML HASL-300, Pu-11-RC Modified 4 DOE EML HASL-300, Pu-11-RC Modified 5 DOE RESL Ni-1 6 DOE HASL 300, 4.5.2.3/Ga-01-R 7 EPA 905.0 Modified/DOE RP501 Rev. 1 Modified 8 EPA 906.0 Modified 9 EPA EERF C-01 Modified 10 DOE EML HASL-300, Tc-02-RC Modified 11 DOE RESL Fe-1, Modified 12 DOE RESL Ni-1, Modified Surrogate/Tracer Recovery Test Result Nominal Recovery% Acceptable Limits Americium-243 Tracer Alphaspec Isotopic Am241 Am243, Cm243/244, 68 (15%-125%)

Solid "Dry Weight Corrected" Curium-243/244 Tracer Alphaspec Isotopic Am241 Am243, Cm243/244, 73.2 (15%-125%)

Solid "Dry Weight Corrected" Americium-243 Tracer Alphaspec Np, Solid "Dry Weight Corrected" 84.5 (15%-125%)

Plutonium-242 Tracer Alphaspec Pu238, 239/240, Solid "Dry Weight 74.6 (15%-125%)

Corrected" Plutonium-242 Tracer Liquid Scint Pu241, Solid "Dry Weight Corrected" 74.6 (15%-125%)

Nickel Carrier Gamma Ni59, Solid "Dry Weight Corrected" 91.3 (25%-125%)

Strontium Carrier GFPC, Sr90, Solid "Dry Weight Corrected" 63 (25%-125%)

Technetium-99m Tracer Liquid Scint Tc99, Solid "As Received" 96.2 (15%-125%)

Iron-59 Tracer Liquid Scint Fe55, Solid "Dry Weight Corrected" 57.3 (15%-125%)

Nickel Carrier Liquid Scint Ni63, Solid "Dry Weight Corrected" 81.8 (25%-125%)

Notes:

Page 28 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Report Date: October 16, 2020 Company : LaCrosseSolutions Address : S4601 State Hwy 35 Genoa, Wisconsin 54632

Contact:

Mr. Jason Q. Spaide Project: LACBWR Site Restoration Project, Level 5 Package Client Sample ID: L1-SUB-TDS-CJGS-B01-SB Project: ENRG07002 Sample ID: 521724001 Client ID: ENRG070 Parameter Qualifier Result Uncertainty MDC RL Units PF DF Analyst Date Time Batch Method Counting Uncertainty is calculated at the 95% confidence level (1.96-sigma).

Column headers are defined as follows:

DF: Dilution Factor Lc/LC: Critical Level DL: Detection Limit PF: Prep Factor MDA: Minimum Detectable Activity RL: Reporting Limit MDC: Minimum Detectable Concentration SQL: Sample Quantitation Limit Page 29 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Report Date: October 16, 2020 Company : LaCrosseSolutions Address : S4601 State Hwy 35 Genoa, Wisconsin 54632

Contact:

Mr. Jason Q. Spaide Project: LACBWR Site Restoration Project, Level 5 Package Client Sample ID: L1-SUB-TDS-CJGS-B02-SB Project: ENRG07002 Sample ID: 521724002 Client ID: ENRG070 Matrix: Misc Solid Collect Date: 03-JUN-19 09:34 Receive Date: 18-SEP-20 Collector: Client Parameter Qualifier Result Uncertainty MDC RL Units PF DF Analyst Date Time Batch Method Rad Alpha Spec Analysis Alphaspec Isotopic Am241 Am243, Cm243/244, Solid "Dry Weight Corrected" Americium-241 HUh 0.00839 +/-0.0167 0.0271 0.400 pCi/g BXA4 10/09/20 0912 2042096 1 Americium-243 HUh -0.00190 +/-0.0131 0.0319 0.400 pCi/g Curium-243/244 HUh 0.00341 +/-0.0153 0.0299 0.400 pCi/g Alphaspec Np, Solid "Dry Weight Corrected" Neptunium-237 HUh 0.00204 +/-0.00283 0.00390 0.0100 pCi/g BXA4 10/10/20 1417 2042097 2 Alphaspec Pu238, 239/240, Solid "Dry Weight Corrected" Plutonium-238 HUh 0.00160 +/-0.0189 0.0398 0.400 pCi/g BXA4 10/09/20 0906 2042098 3 Plutonium-239/240 HUh 0.0167 +/-0.0217 0.0308 0.400 pCi/g Liquid Scint Pu241, Solid "Dry Weight Corrected" Plutonium-241 HUh -0.236 +/-2.09 3.63 5.00 pCi/g BXA4 10/12/20 1407 2042099 4 Rad Gamma Spec Analysis Gamma Ni59, Solid "Dry Weight Corrected" Nickel-59 HUh -1.23 +/-1.53 2.45 5.00 pCi/g RP1 09/28/20 0911 2044929 5 Gamma, Cs137, Co60, Nb94, Eu152, Eu154, Eu155 "Dry Weight Corrected" Cesium-137 HUh 0.0474 +/-0.0299 0.0718 1.00 pCi/g MXR1 09/21/20 1558 2042160 6 Cobalt-60 HUh -0.00474 +/-0.0292 0.0595 pCi/g Europium-152 HUh 0.0594 +/-0.0710 0.153 pCi/g Europium-154 HUh -0.0294 +/-0.0694 0.133 pCi/g Europium-155 HUIh 0.000 +/-0.204 0.182 pCi/g Niobium-94 HUh 0.0173 +/-0.0181 0.0444 pCi/g Rad Gas Flow Proportional Counting GFPC, Sr90, Solid "Dry Weight Corrected" Strontium-90 HUh 0.124 +/-0.153 0.258 0.400 pCi/g LXB3 10/08/20 1030 2042511 7 Rad Liquid Scintillation Analysis LSC, Tritium Distillation, Solid "As Received" Tritium HU -1.54 +/-3.81 6.80 10.0 pCi/g TXJ1 10/09/20 0730 2046317 8 Liquid Scint C14, Solid "As Received" Carbon-14 HU 0.486 +/-2.01 3.44 5.00 pCi/g EW3 10/08/20 0529 2046296 9 Liquid Scint Tc99, Solid "As Received" Technetium-99 HU -0.654 +/-0.880 1.54 2.00 pCi/g JJ3 10/11/20 1218 2047687 10 Liquid Scint Fe55, Solid "Dry Weight Corrected" Iron-55 HUh 0.478 +/-5.29 7.26 10.0 pCi/g RP1 09/24/20 1424 2042294 11 Liquid Scint Ni63, Solid "Dry Weight Corrected" Page 30 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Report Date: October 16, 2020 Company : LaCrosseSolutions Address : S4601 State Hwy 35 Genoa, Wisconsin 54632

Contact:

Mr. Jason Q. Spaide Project: LACBWR Site Restoration Project, Level 5 Package Client Sample ID: L1-SUB-TDS-CJGS-B02-SB Project: ENRG07002 Sample ID: 521724002 Client ID: ENRG070 Parameter Qualifier Result Uncertainty MDC RL Units PF DF Analyst Date Time Batch Method Rad Liquid Scintillation Analysis Liquid Scint Ni63, Solid "Dry Weight Corrected" Nickel-63 HUh 0.893 +/-2.30 3.93 5.00 pCi/g RP1 09/24/20 0555 2042296 12 The following Prep Methods were performed:

Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 LYT1 09/18/20 1233 2042073 The following Analytical Methods were performed:

Method Description Analyst Comments 1 DOE EML HASL-300, Am-05-RC Modified 2 ASTM C 1475-00 Modified 3 DOE EML HASL-300, Pu-11-RC Modified 4 DOE EML HASL-300, Pu-11-RC Modified 5 DOE RESL Ni-1 6 DOE HASL 300, 4.5.2.3/Ga-01-R 7 EPA 905.0 Modified/DOE RP501 Rev. 1 Modified 8 EPA 906.0 Modified 9 EPA EERF C-01 Modified 10 DOE EML HASL-300, Tc-02-RC Modified 11 DOE RESL Fe-1, Modified 12 DOE RESL Ni-1, Modified Surrogate/Tracer Recovery Test Result Nominal Recovery% Acceptable Limits Americium-243 Tracer Alphaspec Isotopic Am241 Am243, Cm243/244, 75.1 (15%-125%)

Solid "Dry Weight Corrected" Curium-243/244 Tracer Alphaspec Isotopic Am241 Am243, Cm243/244, 65.6 (15%-125%)

Solid "Dry Weight Corrected" Americium-243 Tracer Alphaspec Np, Solid "Dry Weight Corrected" 84.4 (15%-125%)

Plutonium-242 Tracer Alphaspec Pu238, 239/240, Solid "Dry Weight 58.9 (15%-125%)

Corrected" Plutonium-242 Tracer Liquid Scint Pu241, Solid "Dry Weight Corrected" 58.9 (15%-125%)

Nickel Carrier Gamma Ni59, Solid "Dry Weight Corrected" 103 (25%-125%)

Strontium Carrier GFPC, Sr90, Solid "Dry Weight Corrected" 45.7 (25%-125%)

Technetium-99m Tracer Liquid Scint Tc99, Solid "As Received" 98 (15%-125%)

Iron-59 Tracer Liquid Scint Fe55, Solid "Dry Weight Corrected" 58.6 (15%-125%)

Nickel Carrier Liquid Scint Ni63, Solid "Dry Weight Corrected" 77.4 (25%-125%)

Notes:

Page 31 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Report Date: October 16, 2020 Company : LaCrosseSolutions Address : S4601 State Hwy 35 Genoa, Wisconsin 54632

Contact:

Mr. Jason Q. Spaide Project: LACBWR Site Restoration Project, Level 5 Package Client Sample ID: L1-SUB-TDS-CJGS-B02-SB Project: ENRG07002 Sample ID: 521724002 Client ID: ENRG070 Parameter Qualifier Result Uncertainty MDC RL Units PF DF Analyst Date Time Batch Method Counting Uncertainty is calculated at the 95% confidence level (1.96-sigma).

Column headers are defined as follows:

DF: Dilution Factor Lc/LC: Critical Level DL: Detection Limit PF: Prep Factor MDA: Minimum Detectable Activity RL: Reporting Limit MDC: Minimum Detectable Concentration SQL: Sample Quantitation Limit Page 32 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Report Date: October 16, 2020 Company : LaCrosseSolutions Address : S4601 State Hwy 35 Genoa, Wisconsin 54632

Contact:

Mr. Jason Q. Spaide Project: LACBWR Site Restoration Project, Level 5 Package Client Sample ID: L1-SUB-TDS-CJGS-B04-SB Project: ENRG07002 Sample ID: 521724003 Client ID: ENRG070 Matrix: Misc Solid Collect Date: 19-MAY-19 10:04 Receive Date: 18-SEP-20 Collector: Client Parameter Qualifier Result Uncertainty MDC RL Units PF DF Analyst Date Time Batch Method Rad Alpha Spec Analysis Alphaspec Isotopic Am241 Am243, Cm243/244, Solid "Dry Weight Corrected" Americium-241 HUh 0.0123 +/-0.0168 0.0228 0.400 pCi/g BXA4 10/09/20 0912 2042096 1 Americium-243 HUh -0.00424 +/-0.0187 0.0489 0.400 pCi/g Curium-243/244 HUh 0.0107 +/-0.0154 0.0186 0.400 pCi/g Alphaspec Np, Solid "Dry Weight Corrected" Neptunium-237 HUh 0.00159 +/-0.00390 0.00623 0.0100 pCi/g BXA4 10/12/20 1548 2042097 2 Alphaspec Pu238, 239/240, Solid "Dry Weight Corrected" Plutonium-238 HUh 0.0127 +/-0.0174 0.0237 0.400 pCi/g BXA4 10/09/20 0906 2042098 3 Plutonium-239/240 HUh 0.00338 +/-0.0181 0.0363 0.400 pCi/g Liquid Scint Pu241, Solid "Dry Weight Corrected" Plutonium-241 HUh 0.530 +/-1.67 2.87 5.00 pCi/g BXA4 10/12/20 1454 2042099 4 Rad Gamma Spec Analysis Gamma Ni59, Solid "Dry Weight Corrected" Nickel-59 HUh -0.178 +/-1.49 2.82 5.00 pCi/g RP1 09/28/20 0912 2044929 5 Gamma, Cs137, Co60, Nb94, Eu152, Eu154, Eu155 "Dry Weight Corrected" Cesium-137 Hh 0.0909 +/-0.0515 0.0393 1.00 pCi/g MXR1 09/21/20 1558 2042160 6 Cobalt-60 HUh -0.0255 +/-0.0241 0.0354 pCi/g Europium-152 HUh -0.0187 +/-0.0381 0.0750 pCi/g Europium-154 HUh 0.0238 +/-0.0760 0.172 pCi/g Europium-155 HUh 0.0243 +/-0.0637 0.132 pCi/g Niobium-94 HUh 0.0175 +/-0.0170 0.0409 pCi/g Rad Gas Flow Proportional Counting GFPC, Sr90, Solid "Dry Weight Corrected" Strontium-90 HUh -0.0217 +/-0.152 0.286 0.400 pCi/g LXB3 10/07/20 1359 2042511 7 Rad Liquid Scintillation Analysis LSC, Tritium Distillation, Solid "As Received" Tritium HU 1.15 +/-4.14 7.15 10.0 pCi/g TXJ1 10/09/20 0832 2046317 8 Liquid Scint C14, Solid "As Received" Carbon-14 HU -0.0598 +/-2.11 3.63 5.00 pCi/g EW3 10/08/20 0620 2046296 9 Liquid Scint Tc99, Solid "As Received" Technetium-99 HU -0.190 +/-0.936 1.62 2.00 pCi/g JJ3 10/11/20 1255 2047687 10 Liquid Scint Fe55, Solid "Dry Weight Corrected" Iron-55 HUh -2.61 +/-5.86 8.32 10.0 pCi/g RP1 09/24/20 1631 2042294 11 Liquid Scint Ni63, Solid "Dry Weight Corrected" Page 33 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Report Date: October 16, 2020 Company : LaCrosseSolutions Address : S4601 State Hwy 35 Genoa, Wisconsin 54632

Contact:

Mr. Jason Q. Spaide Project: LACBWR Site Restoration Project, Level 5 Package Client Sample ID: L1-SUB-TDS-CJGS-B04-SB Project: ENRG07002 Sample ID: 521724003 Client ID: ENRG070 Parameter Qualifier Result Uncertainty MDC RL Units PF DF Analyst Date Time Batch Method Rad Liquid Scintillation Analysis Liquid Scint Ni63, Solid "Dry Weight Corrected" Nickel-63 HUh -0.104 +/-2.05 3.57 5.00 pCi/g RP1 09/24/20 0612 2042296 12 The following Prep Methods were performed:

Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 LYT1 09/18/20 1233 2042073 The following Analytical Methods were performed:

Method Description Analyst Comments 1 DOE EML HASL-300, Am-05-RC Modified 2 ASTM C 1475-00 Modified 3 DOE EML HASL-300, Pu-11-RC Modified 4 DOE EML HASL-300, Pu-11-RC Modified 5 DOE RESL Ni-1 6 DOE HASL 300, 4.5.2.3/Ga-01-R 7 EPA 905.0 Modified/DOE RP501 Rev. 1 Modified 8 EPA 906.0 Modified 9 EPA EERF C-01 Modified 10 DOE EML HASL-300, Tc-02-RC Modified 11 DOE RESL Fe-1, Modified 12 DOE RESL Ni-1, Modified Surrogate/Tracer Recovery Test Result Nominal Recovery% Acceptable Limits Americium-243 Tracer Alphaspec Isotopic Am241 Am243, Cm243/244, 72.2 (15%-125%)

Solid "Dry Weight Corrected" Curium-243/244 Tracer Alphaspec Isotopic Am241 Am243, Cm243/244, 40 (15%-125%)

Solid "Dry Weight Corrected" Americium-243 Tracer Alphaspec Np, Solid "Dry Weight Corrected" 81.7 (15%-125%)

Plutonium-242 Tracer Alphaspec Pu238, 239/240, Solid "Dry Weight 81.4 (15%-125%)

Corrected" Plutonium-242 Tracer Liquid Scint Pu241, Solid "Dry Weight Corrected" 81.4 (15%-125%)

Nickel Carrier Gamma Ni59, Solid "Dry Weight Corrected" 94.3 (25%-125%)

Strontium Carrier GFPC, Sr90, Solid "Dry Weight Corrected" 47.8 (25%-125%)

Technetium-99m Tracer Liquid Scint Tc99, Solid "As Received" 95.5 (15%-125%)

Iron-59 Tracer Liquid Scint Fe55, Solid "Dry Weight Corrected" 43.7 (15%-125%)

Nickel Carrier Liquid Scint Ni63, Solid "Dry Weight Corrected" 84.7 (25%-125%)

Notes:

Page 34 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Report Date: October 16, 2020 Company : LaCrosseSolutions Address : S4601 State Hwy 35 Genoa, Wisconsin 54632

Contact:

Mr. Jason Q. Spaide Project: LACBWR Site Restoration Project, Level 5 Package Client Sample ID: L1-SUB-TDS-CJGS-B04-SB Project: ENRG07002 Sample ID: 521724003 Client ID: ENRG070 Parameter Qualifier Result Uncertainty MDC RL Units PF DF Analyst Date Time Batch Method Counting Uncertainty is calculated at the 95% confidence level (1.96-sigma).

Column headers are defined as follows:

DF: Dilution Factor Lc/LC: Critical Level DL: Detection Limit PF: Prep Factor MDA: Minimum Detectable Activity RL: Reporting Limit MDC: Minimum Detectable Concentration SQL: Sample Quantitation Limit Page 35 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Report Date: October 16, 2020 Company : LaCrosseSolutions Address : S4601 State Hwy 35 Genoa, Wisconsin 54632

Contact:

Mr. Jason Q. Spaide Project: LACBWR Site Restoration Project, Level 5 Package Client Sample ID: L1-SUB-TDS-CJGS-B05-SB Project: ENRG07002 Sample ID: 521724004 Client ID: ENRG070 Matrix: Misc Solid Collect Date: 30-MAY-19 15:18 Receive Date: 18-SEP-20 Collector: Client Parameter Qualifier Result Uncertainty MDC RL Units PF DF Analyst Date Time Batch Method Rad Alpha Spec Analysis Alphaspec Isotopic Am241 Am243, Cm243/244, Solid "Dry Weight Corrected" Americium-241 HUh 0.0349 +/-0.0693 0.113 0.400 pCi/g BXA4 10/09/20 0912 2042096 1 Americium-243 HUh 0.000742 +/-0.0550 0.122 0.400 pCi/g Curium-243/244 HUh -0.00849 +/-0.0376 0.0980 0.400 pCi/g Alphaspec Np, Solid "Dry Weight Corrected" Neptunium-237 HUh 0.000937 +/-0.00260 0.00449 0.0100 pCi/g BXA4 10/10/20 1418 2042097 2 Alphaspec Pu238, 239/240, Solid "Dry Weight Corrected" Plutonium-238 HUh 0.00509 +/-0.0140 0.0243 0.400 pCi/g BXA4 10/09/20 0906 2042098 3 Plutonium-239/240 HUh 0.0148 +/-0.0174 0.0189 0.400 pCi/g Liquid Scint Pu241, Solid "Dry Weight Corrected" Plutonium-241 HUh 1.65 +/-1.82 3.05 5.00 pCi/g BXA4 10/10/20 2049 2042099 4 Rad Gamma Spec Analysis Gamma Ni59, Solid "Dry Weight Corrected" Nickel-59 HUh 0.885 +/-1.59 2.95 5.00 pCi/g RP1 09/28/20 0912 2044929 5 Gamma, Cs137, Co60, Nb94, Eu152, Eu154, Eu155 "Dry Weight Corrected" Cesium-137 Hh 0.615 +/-0.0936 0.0385 1.00 pCi/g MXR1 09/21/20 1559 2042160 6 Cobalt-60 HUh 0.0137 +/-0.0348 0.0764 pCi/g Europium-152 HUh -0.0222 +/-0.0721 0.125 pCi/g Europium-154 HUh -0.0265 +/-0.0848 0.163 pCi/g Europium-155 HUh 0.0441 +/-0.0738 0.154 pCi/g Niobium-94 HUh 0.0105 +/-0.0218 0.0460 pCi/g Rad Gas Flow Proportional Counting GFPC, Sr90, Solid "Dry Weight Corrected" Strontium-90 HUh 0.0219 +/-0.116 0.212 0.400 pCi/g LXB3 10/07/20 1359 2042511 7 Rad Liquid Scintillation Analysis LSC, Tritium Distillation, Solid "As Received" Tritium HU 0.378 +/-5.22 9.11 10.0 pCi/g TXJ1 10/09/20 0935 2046317 8 Liquid Scint C14, Solid "As Received" Carbon-14 HU -2.42 +/-2.01 3.57 5.00 pCi/g EW3 10/08/20 0712 2046296 9 Liquid Scint Tc99, Solid "As Received" Technetium-99 HU -0.640 +/-1.09 1.91 2.00 pCi/g JJ3 10/11/20 1333 2047687 10 Liquid Scint Fe55, Solid "Dry Weight Corrected" Iron-55 HUh 0.0527 +/-6.61 9.13 10.0 pCi/g RP1 09/24/20 1837 2042294 11 Liquid Scint Ni63, Solid "Dry Weight Corrected" Page 36 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Report Date: October 16, 2020 Company : LaCrosseSolutions Address : S4601 State Hwy 35 Genoa, Wisconsin 54632

Contact:

Mr. Jason Q. Spaide Project: LACBWR Site Restoration Project, Level 5 Package Client Sample ID: L1-SUB-TDS-CJGS-B05-SB Project: ENRG07002 Sample ID: 521724004 Client ID: ENRG070 Parameter Qualifier Result Uncertainty MDC RL Units PF DF Analyst Date Time Batch Method Rad Liquid Scintillation Analysis Liquid Scint Ni63, Solid "Dry Weight Corrected" Nickel-63 HUh 0.254 +/-2.12 3.68 5.00 pCi/g RP1 09/24/20 0628 2042296 12 The following Prep Methods were performed:

Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 LYT1 09/18/20 1233 2042073 The following Analytical Methods were performed:

Method Description Analyst Comments 1 DOE EML HASL-300, Am-05-RC Modified 2 ASTM C 1475-00 Modified 3 DOE EML HASL-300, Pu-11-RC Modified 4 DOE EML HASL-300, Pu-11-RC Modified 5 DOE RESL Ni-1 6 DOE HASL 300, 4.5.2.3/Ga-01-R 7 EPA 905.0 Modified/DOE RP501 Rev. 1 Modified 8 EPA 906.0 Modified 9 EPA EERF C-01 Modified 10 DOE EML HASL-300, Tc-02-RC Modified 11 DOE RESL Fe-1, Modified 12 DOE RESL Ni-1, Modified Surrogate/Tracer Recovery Test Result Nominal Recovery% Acceptable Limits Americium-243 Tracer Alphaspec Isotopic Am241 Am243, Cm243/244, 15.5 (15%-125%)

Solid "Dry Weight Corrected" Curium-243/244 Tracer Alphaspec Isotopic Am241 Am243, Cm243/244, 14.2* (15%-125%)

Solid "Dry Weight Corrected" Americium-243 Tracer Alphaspec Np, Solid "Dry Weight Corrected" 90.6 (15%-125%)

Plutonium-242 Tracer Alphaspec Pu238, 239/240, Solid "Dry Weight 76.6 (15%-125%)

Corrected" Plutonium-242 Tracer Liquid Scint Pu241, Solid "Dry Weight Corrected" 76.6 (15%-125%)

Nickel Carrier Gamma Ni59, Solid "Dry Weight Corrected" 85.3 (25%-125%)

Strontium Carrier GFPC, Sr90, Solid "Dry Weight Corrected" 63 (25%-125%)

Technetium-99m Tracer Liquid Scint Tc99, Solid "As Received" 87.3 (15%-125%)

Iron-59 Tracer Liquid Scint Fe55, Solid "Dry Weight Corrected" 51.6 (15%-125%)

Nickel Carrier Liquid Scint Ni63, Solid "Dry Weight Corrected" 82.3 (25%-125%)

Notes:

Page 37 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Report Date: October 16, 2020 Company : LaCrosseSolutions Address : S4601 State Hwy 35 Genoa, Wisconsin 54632

Contact:

Mr. Jason Q. Spaide Project: LACBWR Site Restoration Project, Level 5 Package Client Sample ID: L1-SUB-TDS-CJGS-B05-SB Project: ENRG07002 Sample ID: 521724004 Client ID: ENRG070 Parameter Qualifier Result Uncertainty MDC RL Units PF DF Analyst Date Time Batch Method Counting Uncertainty is calculated at the 95% confidence level (1.96-sigma).

Column headers are defined as follows:

DF: Dilution Factor Lc/LC: Critical Level DL: Detection Limit PF: Prep Factor MDA: Minimum Detectable Activity RL: Reporting Limit MDC: Minimum Detectable Concentration SQL: Sample Quantitation Limit Page 38 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Report Date: October 16, 2020 Company : LaCrosseSolutions Address : S4601 State Hwy 35 Genoa, Wisconsin 54632

Contact:

Mr. Jason Q. Spaide Project: LACBWR Site Restoration Project, Level 5 Package Client Sample ID: L1-SUB-TDS-CJGS-B07-SB Project: ENRG07002 Sample ID: 521724005 Client ID: ENRG070 Matrix: Misc Solid Collect Date: 01-JUN-19 10:09 Receive Date: 18-SEP-20 Collector: Client Parameter Qualifier Result Uncertainty MDC RL Units PF DF Analyst Date Time Batch Method Rad Alpha Spec Analysis Alphaspec Isotopic Am241 Am243, Cm243/244, Solid "Dry Weight Corrected" Americium-241 HUh 0.000351 +/-0.0260 0.0578 0.400 pCi/g BXA4 10/09/20 0912 2042096 1 Americium-243 HUh 0.00305 +/-0.0319 0.0666 0.400 pCi/g Curium-243/244 HUh 0.0138 +/-0.0317 0.0503 0.400 pCi/g Alphaspec Np, Solid "Dry Weight Corrected" Neptunium-237 HUh 0.00151 +/-0.00296 0.00482 0.0100 pCi/g BXA4 10/10/20 1418 2042097 2 Alphaspec Pu238, 239/240, Solid "Dry Weight Corrected" Plutonium-238 HUh 0.0127 +/-0.0189 0.0276 0.400 pCi/g BXA4 10/09/20 0912 2042098 3 Plutonium-239/240 HUh -0.00282 +/-0.0127 0.0321 0.400 pCi/g Liquid Scint Pu241, Solid "Dry Weight Corrected" Plutonium-241 HUh 0.509 +/-1.66 2.85 5.00 pCi/g BXA4 10/10/20 2136 2042099 4 Rad Gamma Spec Analysis Gamma Ni59, Solid "Dry Weight Corrected" Nickel-59 HUh 0.502 +/-1.23 2.20 5.00 pCi/g RP1 09/28/20 1035 2044929 5 Gamma, Cs137, Co60, Nb94, Eu152, Eu154, Eu155 "Dry Weight Corrected" Cesium-137 Hh 1.86 +/-0.157 0.0577 1.00 pCi/g MXR1 09/21/20 1559 2042160 6 Cobalt-60 HUh 0.0262 +/-0.0411 0.0927 pCi/g Europium-152 HUh 0.0325 +/-0.0754 0.147 pCi/g Europium-154 HUh -0.0725 +/-0.0997 0.174 pCi/g Europium-155 HUh 0.0102 +/-0.0831 0.163 pCi/g Niobium-94 HUh 0.00737 +/-0.0227 0.0474 pCi/g Rad Gas Flow Proportional Counting GFPC, Sr90, Solid "Dry Weight Corrected" Strontium-90 HUh 0.0246 +/-0.129 0.237 0.400 pCi/g LXB3 10/07/20 1400 2042511 7 Rad Liquid Scintillation Analysis LSC, Tritium Distillation, Solid "As Received" Tritium HU 2.66 +/-4.53 7.73 10.0 pCi/g TXJ1 10/09/20 1037 2046317 8 Liquid Scint C14, Solid "As Received" Carbon-14 HU 1.05 +/-2.07 3.51 5.00 pCi/g EW3 10/08/20 0803 2046296 9 Liquid Scint Tc99, Solid "As Received" Technetium-99 HU -0.745 +/-0.924 1.63 2.00 pCi/g JJ3 10/11/20 1410 2047687 10 Liquid Scint Fe55, Solid "Dry Weight Corrected" Iron-55 HUh -3.44 +/-5.30 7.40 10.0 pCi/g RP1 09/24/20 2044 2042294 11 Liquid Scint Ni63, Solid "Dry Weight Corrected" Page 39 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Report Date: October 16, 2020 Company : LaCrosseSolutions Address : S4601 State Hwy 35 Genoa, Wisconsin 54632

Contact:

Mr. Jason Q. Spaide Project: LACBWR Site Restoration Project, Level 5 Package Client Sample ID: L1-SUB-TDS-CJGS-B07-SB Project: ENRG07002 Sample ID: 521724005 Client ID: ENRG070 Parameter Qualifier Result Uncertainty MDC RL Units PF DF Analyst Date Time Batch Method Rad Liquid Scintillation Analysis Liquid Scint Ni63, Solid "Dry Weight Corrected" Nickel-63 HUh 0.678 +/-2.10 3.62 5.00 pCi/g RP1 09/24/20 0644 2042296 12 The following Prep Methods were performed:

Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 LYT1 09/18/20 1233 2042073 The following Analytical Methods were performed:

Method Description Analyst Comments 1 DOE EML HASL-300, Am-05-RC Modified 2 ASTM C 1475-00 Modified 3 DOE EML HASL-300, Pu-11-RC Modified 4 DOE EML HASL-300, Pu-11-RC Modified 5 DOE RESL Ni-1 6 DOE HASL 300, 4.5.2.3/Ga-01-R 7 EPA 905.0 Modified/DOE RP501 Rev. 1 Modified 8 EPA 906.0 Modified 9 EPA EERF C-01 Modified 10 DOE EML HASL-300, Tc-02-RC Modified 11 DOE RESL Fe-1, Modified 12 DOE RESL Ni-1, Modified Surrogate/Tracer Recovery Test Result Nominal Recovery% Acceptable Limits Americium-243 Tracer Alphaspec Isotopic Am241 Am243, Cm243/244, 32.5 (15%-125%)

Solid "Dry Weight Corrected" Curium-243/244 Tracer Alphaspec Isotopic Am241 Am243, Cm243/244, 32.8 (15%-125%)

Solid "Dry Weight Corrected" Americium-243 Tracer Alphaspec Np, Solid "Dry Weight Corrected" 86.1 (15%-125%)

Plutonium-242 Tracer Alphaspec Pu238, 239/240, Solid "Dry Weight 74.3 (15%-125%)

Corrected" Plutonium-242 Tracer Liquid Scint Pu241, Solid "Dry Weight Corrected" 74.3 (15%-125%)

Nickel Carrier Gamma Ni59, Solid "Dry Weight Corrected" 92.1 (25%-125%)

Strontium Carrier GFPC, Sr90, Solid "Dry Weight Corrected" 50 (25%-125%)

Technetium-99m Tracer Liquid Scint Tc99, Solid "As Received" 94.3 (15%-125%)

Iron-59 Tracer Liquid Scint Fe55, Solid "Dry Weight Corrected" 56.2 (15%-125%)

Nickel Carrier Liquid Scint Ni63, Solid "Dry Weight Corrected" 84.3 (25%-125%)

Notes:

Page 40 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Report Date: October 16, 2020 Company : LaCrosseSolutions Address : S4601 State Hwy 35 Genoa, Wisconsin 54632

Contact:

Mr. Jason Q. Spaide Project: LACBWR Site Restoration Project, Level 5 Package Client Sample ID: L1-SUB-TDS-CJGS-B07-SB Project: ENRG07002 Sample ID: 521724005 Client ID: ENRG070 Parameter Qualifier Result Uncertainty MDC RL Units PF DF Analyst Date Time Batch Method Counting Uncertainty is calculated at the 95% confidence level (1.96-sigma).

Column headers are defined as follows:

DF: Dilution Factor Lc/LC: Critical Level DL: Detection Limit PF: Prep Factor MDA: Minimum Detectable Activity RL: Reporting Limit MDC: Minimum Detectable Concentration SQL: Sample Quantitation Limit Page 41 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Report Date: October 16, 2020 Company : LaCrosseSolutions Address : S4601 State Hwy 35 Genoa, Wisconsin 54632

Contact:

Mr. Jason Q. Spaide Project: LACBWR Site Restoration Project, Level 5 Package Client Sample ID: S3-012-109B-FJGS-062-SM Project: ENRG07002 Sample ID: 521724006 Client ID: ENRG070 Matrix: Misc Solid Collect Date: 22-AUG-19 10:05 Receive Date: 18-SEP-20 Collector: Client Parameter Qualifier Result Uncertainty MDC RL Units PF DF Analyst Date Time Batch Method Rad Alpha Spec Analysis Alphaspec Isotopic Am241 Am243, Cm243/244, Solid "Dry Weight Corrected" Americium-241 HUh 0.0243 +/-0.0483 0.0784 0.400 pCi/g BXA4 10/09/20 0912 2042096 1 Americium-243 HUh 0.0108 +/-0.0485 0.0949 0.400 pCi/g Curium-243/244 HUh -0.00293 +/-0.0253 0.0586 0.400 pCi/g Alphaspec Np, Solid "Dry Weight Corrected" Neptunium-237 HUh 0.00102 +/-0.00244 0.00389 0.0100 pCi/g BXA4 10/10/20 1418 2042097 2 Alphaspec Pu238, 239/240, Solid "Dry Weight Corrected" Plutonium-238 HUh -0.00433 +/-0.00821 0.0253 0.400 pCi/g BXA4 10/09/20 0912 2042098 3 Plutonium-239/240 HUh 0.00215 +/-0.0151 0.0311 0.400 pCi/g Liquid Scint Pu241, Solid "Dry Weight Corrected" Plutonium-241 HUh 0.331 +/-1.61 2.77 5.00 pCi/g BXA4 10/10/20 2222 2042099 4 Rad Gamma Spec Analysis Gamma Ni59, Solid "Dry Weight Corrected" Nickel-59 HUh -1.09 +/-1.88 3.11 5.00 pCi/g RP1 09/28/20 1036 2044929 5 Gamma, Cs137, Co60, Nb94, Eu152, Eu154, Eu155 "Dry Weight Corrected" Cesium-137 HUh 0.00766 +/-0.0318 0.0653 1.00 pCi/g MXR1 09/21/20 1605 2042160 6 Cobalt-60 HUh 0.00570 +/-0.0250 0.0604 pCi/g Europium-152 HUh -0.0617 +/-0.0639 0.117 pCi/g Europium-154 HUh -0.00589 +/-0.125 0.252 pCi/g Europium-155 HUh 0.0507 +/-0.0836 0.180 pCi/g Niobium-94 HUh -0.00710 +/-0.0210 0.0401 pCi/g Rad Gas Flow Proportional Counting GFPC, Sr90, Solid "Dry Weight Corrected" Strontium-90 HUh -0.0520 +/-0.109 0.228 0.400 pCi/g LXB3 10/07/20 1405 2042511 7 Rad Liquid Scintillation Analysis LSC, Tritium Distillation, Solid "As Received" Tritium HU -1.80 +/-4.02 7.19 10.0 pCi/g TXJ1 10/09/20 1140 2046317 8 Liquid Scint C14, Solid "As Received" Carbon-14 HU 1.01 +/-2.11 3.58 5.00 pCi/g EW3 10/08/20 0854 2046296 9 Liquid Scint Tc99, Solid "As Received" Technetium-99 HU -0.968 +/-0.982 1.73 2.00 pCi/g JJ3 10/11/20 1447 2047687 10 Liquid Scint Fe55, Solid "Dry Weight Corrected" Iron-55 HUh -0.387 +/-5.16 7.11 10.0 pCi/g RP1 09/24/20 2250 2042294 11 Liquid Scint Ni63, Solid "Dry Weight Corrected" Page 42 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Report Date: October 16, 2020 Company : LaCrosseSolutions Address : S4601 State Hwy 35 Genoa, Wisconsin 54632

Contact:

Mr. Jason Q. Spaide Project: LACBWR Site Restoration Project, Level 5 Package Client Sample ID: S3-012-109B-FJGS-062-SM Project: ENRG07002 Sample ID: 521724006 Client ID: ENRG070 Parameter Qualifier Result Uncertainty MDC RL Units PF DF Analyst Date Time Batch Method Rad Liquid Scintillation Analysis Liquid Scint Ni63, Solid "Dry Weight Corrected" Nickel-63 HUh -1.24 +/-1.85 3.31 5.00 pCi/g RP1 09/24/20 0701 2042296 12 The following Prep Methods were performed:

Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 LYT1 09/18/20 1233 2042073 The following Analytical Methods were performed:

Method Description Analyst Comments 1 DOE EML HASL-300, Am-05-RC Modified 2 ASTM C 1475-00 Modified 3 DOE EML HASL-300, Pu-11-RC Modified 4 DOE EML HASL-300, Pu-11-RC Modified 5 DOE RESL Ni-1 6 DOE HASL 300, 4.5.2.3/Ga-01-R 7 EPA 905.0 Modified/DOE RP501 Rev. 1 Modified 8 EPA 906.0 Modified 9 EPA EERF C-01 Modified 10 DOE EML HASL-300, Tc-02-RC Modified 11 DOE RESL Fe-1, Modified 12 DOE RESL Ni-1, Modified Surrogate/Tracer Recovery Test Result Nominal Recovery% Acceptable Limits Americium-243 Tracer Alphaspec Isotopic Am241 Am243, Cm243/244, 24.4 (15%-125%)

Solid "Dry Weight Corrected" Curium-243/244 Tracer Alphaspec Isotopic Am241 Am243, Cm243/244, 28.3 (15%-125%)

Solid "Dry Weight Corrected" Americium-243 Tracer Alphaspec Np, Solid "Dry Weight Corrected" 86.1 (15%-125%)

Plutonium-242 Tracer Alphaspec Pu238, 239/240, Solid "Dry Weight 80.6 (15%-125%)

Corrected" Plutonium-242 Tracer Liquid Scint Pu241, Solid "Dry Weight Corrected" 80.6 (15%-125%)

Nickel Carrier Gamma Ni59, Solid "Dry Weight Corrected" 85.3 (25%-125%)

Strontium Carrier GFPC, Sr90, Solid "Dry Weight Corrected" 45.7 (25%-125%)

Technetium-99m Tracer Liquid Scint Tc99, Solid "As Received" 89.1 (15%-125%)

Iron-59 Tracer Liquid Scint Fe55, Solid "Dry Weight Corrected" 57.1 (15%-125%)

Nickel Carrier Liquid Scint Ni63, Solid "Dry Weight Corrected" 91.2 (25%-125%)

Notes:

Page 43 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Report Date: October 16, 2020 Company : LaCrosseSolutions Address : S4601 State Hwy 35 Genoa, Wisconsin 54632

Contact:

Mr. Jason Q. Spaide Project: LACBWR Site Restoration Project, Level 5 Package Client Sample ID: S3-012-109B-FJGS-062-SM Project: ENRG07002 Sample ID: 521724006 Client ID: ENRG070 Parameter Qualifier Result Uncertainty MDC RL Units PF DF Analyst Date Time Batch Method Counting Uncertainty is calculated at the 95% confidence level (1.96-sigma).

Column headers are defined as follows:

DF: Dilution Factor Lc/LC: Critical Level DL: Detection Limit PF: Prep Factor MDA: Minimum Detectable Activity RL: Reporting Limit MDC: Minimum Detectable Concentration SQL: Sample Quantitation Limit Page 44 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Report Date: October 16, 2020 Company : LaCrosseSolutions Address : S4601 State Hwy 35 Genoa, Wisconsin 54632

Contact:

Mr. Jason Q. Spaide Project: LACBWR Site Restoration Project, Level 5 Package Client Sample ID: S3-012-109B-FJGS-063-SM Project: ENRG07002 Sample ID: 521724007 Client ID: ENRG070 Matrix: Misc Solid Collect Date: 22-AUG-19 10:14 Receive Date: 18-SEP-20 Collector: Client Parameter Qualifier Result Uncertainty MDC RL Units PF DF Analyst Date Time Batch Method Rad Alpha Spec Analysis Alphaspec Isotopic Am241 Am243, Cm243/244, Solid "Dry Weight Corrected" Americium-241 HUh 0.00461 +/-0.0550 0.115 0.400 pCi/g BXA4 10/09/20 0912 2042096 1 Americium-243 HUh -0.00593 +/-0.0262 0.0684 0.400 pCi/g Curium-243/244 HUh -0.00521 +/-0.0360 0.0876 0.400 pCi/g Alphaspec Np, Solid "Dry Weight Corrected" Neptunium-237 HUh 0.00242 +/-0.00374 0.00579 0.0100 pCi/g BXA4 10/10/20 1418 2042097 2 Alphaspec Pu238, 239/240, Solid "Dry Weight Corrected" Plutonium-238 HUh -0.00297 +/-0.0128 0.0311 0.400 pCi/g BXA4 10/09/20 0912 2042098 3 Plutonium-239/240 HUh -0.00803 +/-0.00838 0.0290 0.400 pCi/g Liquid Scint Pu241, Solid "Dry Weight Corrected" Plutonium-241 HUh 2.39 +/-1.59 2.62 5.00 pCi/g BXA4 10/10/20 2309 2042099 4 Rad Gamma Spec Analysis Gamma Ni59, Solid "Dry Weight Corrected" Nickel-59 HUh -1.52 +/-1.72 2.94 5.00 pCi/g RP1 09/28/20 1037 2044929 5 Gamma, Cs137, Co60, Nb94, Eu152, Eu154, Eu155 "Dry Weight Corrected" Cesium-137 Hh 0.0497 +/-0.0298 0.0437 1.00 pCi/g MXR1 09/21/20 1559 2042160 6 Cobalt-60 HUh -0.00453 +/-0.0257 0.0523 pCi/g Europium-152 HUh 0.0260 +/-0.0621 0.131 pCi/g Europium-154 HUh -0.0492 +/-0.0835 0.150 pCi/g Europium-155 HUh 0.0191 +/-0.0627 0.125 pCi/g Niobium-94 HUh -0.00882 +/-0.0217 0.0394 pCi/g Rad Gas Flow Proportional Counting GFPC, Sr90, Solid "Dry Weight Corrected" Strontium-90 HUh 0.00544 +/-0.0917 0.179 0.400 pCi/g LXB3 10/07/20 1405 2042511 7 Rad Liquid Scintillation Analysis LSC, Tritium Distillation, Solid "As Received" Tritium HU 0.805 +/-4.29 7.44 10.0 pCi/g TXJ1 10/09/20 1242 2046317 8 Liquid Scint C14, Solid "As Received" Carbon-14 HU 0.784 +/-2.09 3.55 5.00 pCi/g EW3 10/08/20 0945 2046296 9 Liquid Scint Tc99, Solid "As Received" Technetium-99 HU -0.851 +/-0.942 1.66 2.00 pCi/g JJ3 10/11/20 1524 2047687 10 Liquid Scint Fe55, Solid "Dry Weight Corrected" Iron-55 HUh 0.125 +/-4.47 6.10 10.0 pCi/g RP1 09/25/20 0057 2042294 11 Liquid Scint Ni63, Solid "Dry Weight Corrected" Page 45 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Report Date: October 16, 2020 Company : LaCrosseSolutions Address : S4601 State Hwy 35 Genoa, Wisconsin 54632

Contact:

Mr. Jason Q. Spaide Project: LACBWR Site Restoration Project, Level 5 Package Client Sample ID: S3-012-109B-FJGS-063-SM Project: ENRG07002 Sample ID: 521724007 Client ID: ENRG070 Parameter Qualifier Result Uncertainty MDC RL Units PF DF Analyst Date Time Batch Method Rad Liquid Scintillation Analysis Liquid Scint Ni63, Solid "Dry Weight Corrected" Nickel-63 HUh 0.335 +/-2.06 3.57 5.00 pCi/g RP1 09/24/20 0717 2042296 12 The following Prep Methods were performed:

Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 LYT1 09/18/20 1233 2042073 The following Analytical Methods were performed:

Method Description Analyst Comments 1 DOE EML HASL-300, Am-05-RC Modified 2 ASTM C 1475-00 Modified 3 DOE EML HASL-300, Pu-11-RC Modified 4 DOE EML HASL-300, Pu-11-RC Modified 5 DOE RESL Ni-1 6 DOE HASL 300, 4.5.2.3/Ga-01-R 7 EPA 905.0 Modified/DOE RP501 Rev. 1 Modified 8 EPA 906.0 Modified 9 EPA EERF C-01 Modified 10 DOE EML HASL-300, Tc-02-RC Modified 11 DOE RESL Fe-1, Modified 12 DOE RESL Ni-1, Modified Surrogate/Tracer Recovery Test Result Nominal Recovery% Acceptable Limits Americium-243 Tracer Alphaspec Isotopic Am241 Am243, Cm243/244, 24.1 (15%-125%)

Solid "Dry Weight Corrected" Curium-243/244 Tracer Alphaspec Isotopic Am241 Am243, Cm243/244, 30 (15%-125%)

Solid "Dry Weight Corrected" Americium-243 Tracer Alphaspec Np, Solid "Dry Weight Corrected" 74.4 (15%-125%)

Plutonium-242 Tracer Alphaspec Pu238, 239/240, Solid "Dry Weight 83.1 (15%-125%)

Corrected" Plutonium-242 Tracer Liquid Scint Pu241, Solid "Dry Weight Corrected" 83.1 (15%-125%)

Nickel Carrier Gamma Ni59, Solid "Dry Weight Corrected" 84.8 (25%-125%)

Strontium Carrier GFPC, Sr90, Solid "Dry Weight Corrected" 52.2 (25%-125%)

Technetium-99m Tracer Liquid Scint Tc99, Solid "As Received" 88.3 (15%-125%)

Iron-59 Tracer Liquid Scint Fe55, Solid "Dry Weight Corrected" 66.8 (15%-125%)

Nickel Carrier Liquid Scint Ni63, Solid "Dry Weight Corrected" 85.1 (25%-125%)

Notes:

Page 46 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Report Date: October 16, 2020 Company : LaCrosseSolutions Address : S4601 State Hwy 35 Genoa, Wisconsin 54632

Contact:

Mr. Jason Q. Spaide Project: LACBWR Site Restoration Project, Level 5 Package Client Sample ID: S3-012-109B-FJGS-063-SM Project: ENRG07002 Sample ID: 521724007 Client ID: ENRG070 Parameter Qualifier Result Uncertainty MDC RL Units PF DF Analyst Date Time Batch Method Counting Uncertainty is calculated at the 95% confidence level (1.96-sigma).

Column headers are defined as follows:

DF: Dilution Factor Lc/LC: Critical Level DL: Detection Limit PF: Prep Factor MDA: Minimum Detectable Activity RL: Reporting Limit MDC: Minimum Detectable Concentration SQL: Sample Quantitation Limit Page 47 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Report Date: October 16, 2020 Company : LaCrosseSolutions Address : S4601 State Hwy 35 Genoa, Wisconsin 54632

Contact:

Mr. Jason Q. Spaide Project: LACBWR Site Restoration Project, Level 5 Package Client Sample ID: S3-012-109B-FJGS-064-SM Project: ENRG07002 Sample ID: 521724008 Client ID: ENRG070 Matrix: Misc Solid Collect Date: 22-AUG-19 13:12 Receive Date: 18-SEP-20 Collector: Client Parameter Qualifier Result Uncertainty MDC RL Units PF DF Analyst Date Time Batch Method Rad Alpha Spec Analysis Alphaspec Isotopic Am241 Am243, Cm243/244, Solid "Dry Weight Corrected" Americium-241 HUh -0.00738 +/-0.0535 0.122 0.400 pCi/g BXA4 10/09/20 0919 2042096 1 Americium-243 HUh 0.00484 +/-0.0506 0.106 0.400 pCi/g Curium-243/244 HUh 0.0131 +/-0.0449 0.0832 0.400 pCi/g Alphaspec Np, Solid "Dry Weight Corrected" Neptunium-237 HUh -0.000725 +/-0.00246 0.00522 0.0100 pCi/g BXA4 10/10/20 2023 2042097 2 Alphaspec Pu238, 239/240, Solid "Dry Weight Corrected" Plutonium-238 HUh -0.00600 +/-0.00967 0.0308 0.400 pCi/g BXA4 10/09/20 0912 2042098 3 Plutonium-239/240 HUh -0.00182 +/-0.0125 0.0305 0.400 pCi/g Liquid Scint Pu241, Solid "Dry Weight Corrected" Plutonium-241 HUh 1.03 +/-1.64 2.78 5.00 pCi/g BXA4 10/10/20 2355 2042099 4 Rad Gamma Spec Analysis Gamma Ni59, Solid "Dry Weight Corrected" Nickel-59 HUh -0.747 +/-1.62 2.59 5.00 pCi/g RP1 09/28/20 1037 2044929 5 Gamma, Cs137, Co60, Nb94, Eu152, Eu154, Eu155 "Dry Weight Corrected" Cesium-137 HUh 0.0881 +/-0.0389 0.0912 1.00 pCi/g MXR1 09/21/20 1600 2042160 6 Cobalt-60 HUh -0.0208 +/-0.0378 0.0678 pCi/g Europium-152 HUh -0.0336 +/-0.0652 0.119 pCi/g Europium-154 HUh 0.100 +/-0.137 0.273 pCi/g Europium-155 HUh 0.0172 +/-0.0839 0.165 pCi/g Niobium-94 HUh 0.00475 +/-0.0289 0.0517 pCi/g Rad Gas Flow Proportional Counting GFPC, Sr90, Solid "Dry Weight Corrected" Strontium-90 HUh 0.122 +/-0.119 0.195 0.400 pCi/g LXB3 10/07/20 1405 2042511 7 Rad Liquid Scintillation Analysis LSC, Tritium Distillation, Solid "As Received" Tritium HU -1.87 +/-3.99 7.15 10.0 pCi/g TXJ1 10/09/20 1345 2046317 8 Liquid Scint C14, Solid "As Received" Carbon-14 HU 0.267 +/-2.08 3.57 5.00 pCi/g EW3 10/08/20 1037 2046296 9 Liquid Scint Tc99, Solid "As Received" Technetium-99 HU -1.04 +/-0.979 1.73 2.00 pCi/g JJ3 10/11/20 1601 2047687 10 Liquid Scint Fe55, Solid "Dry Weight Corrected" Iron-55 HUh -2.65 +/-4.91 6.80 10.0 pCi/g RP1 09/25/20 0537 2042294 11 Liquid Scint Ni63, Solid "Dry Weight Corrected" Page 48 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Report Date: October 16, 2020 Company : LaCrosseSolutions Address : S4601 State Hwy 35 Genoa, Wisconsin 54632

Contact:

Mr. Jason Q. Spaide Project: LACBWR Site Restoration Project, Level 5 Package Client Sample ID: S3-012-109B-FJGS-064-SM Project: ENRG07002 Sample ID: 521724008 Client ID: ENRG070 Parameter Qualifier Result Uncertainty MDC RL Units PF DF Analyst Date Time Batch Method Rad Liquid Scintillation Analysis Liquid Scint Ni63, Solid "Dry Weight Corrected" Nickel-63 HUh -0.669 +/-1.78 3.15 5.00 pCi/g RP1 09/24/20 0733 2042296 12 The following Prep Methods were performed:

Method Description Analyst Date Time Prep Batch Dry Soil Prep Dry Soil Prep GL-RAD-A-021 LYT1 09/18/20 1233 2042073 The following Analytical Methods were performed:

Method Description Analyst Comments 1 DOE EML HASL-300, Am-05-RC Modified 2 ASTM C 1475-00 Modified 3 DOE EML HASL-300, Pu-11-RC Modified 4 DOE EML HASL-300, Pu-11-RC Modified 5 DOE RESL Ni-1 6 DOE HASL 300, 4.5.2.3/Ga-01-R 7 EPA 905.0 Modified/DOE RP501 Rev. 1 Modified 8 EPA 906.0 Modified 9 EPA EERF C-01 Modified 10 DOE EML HASL-300, Tc-02-RC Modified 11 DOE RESL Fe-1, Modified 12 DOE RESL Ni-1, Modified Surrogate/Tracer Recovery Test Result Nominal Recovery% Acceptable Limits Americium-243 Tracer Alphaspec Isotopic Am241 Am243, Cm243/244, 26.7 (15%-125%)

Solid "Dry Weight Corrected" Curium-243/244 Tracer Alphaspec Isotopic Am241 Am243, Cm243/244, 20.8 (15%-125%)

Solid "Dry Weight Corrected" Americium-243 Tracer Alphaspec Np, Solid "Dry Weight Corrected" 89.2 (15%-125%)

Plutonium-242 Tracer Alphaspec Pu238, 239/240, Solid "Dry Weight 77.2 (15%-125%)

Corrected" Plutonium-242 Tracer Liquid Scint Pu241, Solid "Dry Weight Corrected" 77.2 (15%-125%)

Nickel Carrier Gamma Ni59, Solid "Dry Weight Corrected" 83.5 (25%-125%)

Strontium Carrier GFPC, Sr90, Solid "Dry Weight Corrected" 50 (25%-125%)

Technetium-99m Tracer Liquid Scint Tc99, Solid "As Received" 87.9 (15%-125%)

Iron-59 Tracer Liquid Scint Fe55, Solid "Dry Weight Corrected" 60 (15%-125%)

Nickel Carrier Liquid Scint Ni63, Solid "Dry Weight Corrected" 94.8 (25%-125%)

Notes:

Page 49 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston SC 29407 - (843) 556-8171 - www.gel.com Certificate of Analysis Report Date: October 16, 2020 Company : LaCrosseSolutions Address : S4601 State Hwy 35 Genoa, Wisconsin 54632

Contact:

Mr. Jason Q. Spaide Project: LACBWR Site Restoration Project, Level 5 Package Client Sample ID: S3-012-109B-FJGS-064-SM Project: ENRG07002 Sample ID: 521724008 Client ID: ENRG070 Parameter Qualifier Result Uncertainty MDC RL Units PF DF Analyst Date Time Batch Method Counting Uncertainty is calculated at the 95% confidence level (1.96-sigma).

Column headers are defined as follows:

DF: Dilution Factor Lc/LC: Critical Level DL: Detection Limit PF: Prep Factor MDA: Minimum Detectable Activity RL: Reporting Limit MDC: Minimum Detectable Concentration SQL: Sample Quantitation Limit Page 50 of 58 SDG: 521724

Quality Control Summary Page 51 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com QC Summary Report Date: October 16, 2020 LaCrosseSolutions Page 1 of 7 S4601 State Hwy 35 Genoa, Wisconsin

Contact:

Mr. Jason Q. Spaide Workorder: 521724 Parmname NOM Sample Qual QC Units RPD% REC% Range Anlst Date Time Rad Alpha Spec Batch 2042096 QC1204646785 521724001 DUP Americium-241 HUh 0.0107 HU 0.00352 pCi/g N/A N/A BXA4 10/09/20 09:19 Uncertainty +/-0.0191 +/-0.0176 Americium-243 HUh 0.00521 HU 0.00263 pCi/g N/A N/A Uncertainty +/-0.0192 +/-0.0146 Curium-243/244 HUh -0.00296 HU -0.00312 pCi/g N/A N/A Uncertainty +/-0.0134 +/-0.00943 QC1204646786 LCS Americium-241 0.962 1.17 pCi/g 122 (75%-125%) 10/09/20 09:19 Uncertainty +/-0.143 Americium-243 0.0568 pCi/g (75%-125%)

Uncertainty +/-0.0548 Curium-243/244 1.09 1.28 pCi/g 118 (75%-125%)

Uncertainty +/-0.148 QC1204646784 MB Americium-241 U 0.00482 pCi/g 10/10/20 09:17 Uncertainty +/-0.0111 Americium-243 U 0.00336 pCi/g Uncertainty +/-0.0150 Curium-243/244 U 0.000 pCi/g Uncertainty +/-0.00630 Batch 2042097 QC1204646788 521724001 DUP Neptunium-237 HUh 0.00267 HU 0.00152 pCi/g N/A N/A BXA4 10/12/20 15:48 Uncertainty +/-0.00348 +/-0.00449 QC1204646789 LCS Neptunium-237 1.08 1.21 pCi/g 113 (75%-125%) 10/12/20 15:48 Uncertainty +/-0.0690 QC1204646787 MB Neptunium-237 U 2.12E-10 pCi/g 10/10/20 20:23 Uncertainty +/-0.00235 Page 52 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 521724 Page 2 of 7 Parmname NOM Sample Qual QC Units RPD% REC% Range Anlst Date Time Rad Alpha Spec Batch 2042098 QC1204646791 521724001 DUP Plutonium-238 HUh 0.00459 HU -0.00441 pCi/g N/A N/A BXA4 10/09/20 09:12 Uncertainty +/-0.0126 +/-0.0102 Plutonium-239/240 HUh 0.000994 HU -0.000909 pCi/g N/A N/A Uncertainty +/-0.0104 +/-0.0136 QC1204646792 LCS Plutonium-238 U 0.0124 pCi/g 10/09/20 09:12 Uncertainty +/-0.0185 Plutonium-239/240 0.977 0.960 pCi/g 98.2 (75%-125%)

Uncertainty +/-0.118 QC1204646790 MB Plutonium-238 U -0.000586 pCi/g 10/09/20 09:12 Uncertainty +/-0.0136 Plutonium-239/240 U 0.0102 pCi/g Uncertainty +/-0.0166 Batch 2042099 QC1204646794 521724001 DUP Plutonium-241 HUh 1.88 HU 2.06 pCi/g N/A N/A BXA4 10/11/20 01:28 Uncertainty +/-1.77 +/-2.00 QC1204646795 LCS Plutonium-241 77.1 78.3 pCi/g 102 (75%-125%) 10/11/20 02:14 Uncertainty +/-5.66 QC1204646793 MB Plutonium-241 U 0.811 pCi/g 10/11/20 00:42 Uncertainty +/-1.54 Rad Gamma Spec Batch 2042160 QC1204646947 521724001 DUP Cesium-137 Hh 0.139 H 0.174 pCi/g 21.9 * (0%-20%) MXR1 09/21/20 16:02 Uncertainty +/-0.0275 +/-0.0598 Cobalt-60 HUh 0.00459 HU -0.00320 pCi/g N/A N/A Uncertainty +/-0.0178 +/-0.0253 Europium-152 HUh -0.00733 HU -0.0102 pCi/g N/A N/A Uncertainty +/-0.0325 +/-0.0558 Page 53 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 521724 Page 3 of 7 Parmname NOM Sample Qual QC Units RPD% REC% Range Anlst Date Time Rad Gamma Spec Batch 2042160 Europium-154 HUh 0.0542 HU -0.0164 pCi/g N/A N/A MXR1 09/21/20 16:02 Uncertainty +/-0.0473 +/-0.0722 Europium-155 HUh 0.0104 HU 0.0494 pCi/g N/A N/A Uncertainty +/-0.0389 +/-0.0558 Niobium-94 HUh 0.00576 HU -0.0167 pCi/g N/A N/A Uncertainty +/-0.0105 +/-0.0219 QC1204646948 LCS Americium-241 486 569 pCi/g 117 (75%-125%) 09/21/20 17:00 Uncertainty +/-12.1 Cesium-137 164 164 pCi/g 101 (75%-125%)

Uncertainty +/-2.54 Cobalt-60 95.2 97.6 pCi/g 103 (75%-125%)

Uncertainty +/-2.32 Europium-152 U 0.214 pCi/g Uncertainty +/-1.11 Europium-154 U 0.910 pCi/g Uncertainty +/-0.741 Europium-155 U 0.258 pCi/g Uncertainty +/-1.05 Niobium-94 U 0.0670 pCi/g Uncertainty +/-0.294 QC1204646946 MB Cesium-137 U -0.00274 pCi/g 09/21/20 16:01 Uncertainty +/-0.0164 Cobalt-60 U -0.00837 pCi/g Uncertainty +/-0.0160 Europium-152 U 0.00853 pCi/g Uncertainty +/-0.0368 Europium-154 U -0.0160 pCi/g Uncertainty +/-0.0463 Europium-155 U 0.0162 pCi/g Uncertainty +/-0.0419 Page 54 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 521724 Page 4 of 7 Parmname NOM Sample Qual QC Units RPD% REC% Range Anlst Date Time Rad Gamma Spec Batch 2042160 Niobium-94 U 0.00392 pCi/g MXR1 09/21/20 16:01 Uncertainty +/-0.0167 Batch 2044929 QC1204653142 521724001 DUP Nickel-59 HUh 0.0709 HU -2.20 pCi/g N/A N/A RP1 09/28/20 11:41 Uncertainty +/-1.25 +/-1.91 QC1204653143 LCS Nickel-59 90.5 76.5 pCi/g 84.5 (75%-125%) 09/28/20 11:42 Uncertainty +/-5.86 QC1204653141 MB Nickel-59 U -0.145 pCi/g 09/28/20 11:40 Uncertainty +/-0.824 Rad Gas Flow Batch 2042511 QC1204647798 521724005 DUP Strontium-90 HUh 0.0246 HU -0.0976 pCi/g N/A N/A LXB3 10/07/20 14:34 Uncertainty +/-0.129 +/-0.123 QC1204647799 LCS Strontium-90 4.87 5.43 pCi/g 111 (75%-125%) 10/08/20 10:30 Uncertainty +/-0.296 QC1204647797 MB Strontium-90 U 0.0706 pCi/g 10/07/20 14:05 Uncertainty +/-0.144 Rad Liquid Scintillation Batch 2042294 QC1204647267 521724001 DUP Iron-55 HUh -1.41 HU -0.339 pCi/g N/A N/A RP1 09/25/20 09:50 Uncertainty +/-5.08 +/-4.66 QC1204647268 LCS Iron-55 211 191 pCi/g 90.6 (75%-125%) 09/25/20 11:56 Uncertainty +/-5.46 QC1204647266 MB Iron-55 U 1.97 pCi/g 09/25/20 07:43 Uncertainty +/-3.28 Page 55 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 521724 Page 5 of 7 Parmname NOM Sample Qual QC Units RPD% REC% Range Anlst Date Time Rad Liquid Scintillation Batch 2042296 QC1204647270 521724001 DUP Nickel-63 HUh 0.0490 HU 1.33 pCi/g N/A N/A RP1 09/24/20 08:06 Uncertainty +/-2.14 +/-2.42 QC1204647271 LCS Nickel-63 94.1 90.8 pCi/g 96.4 (75%-125%) 09/24/20 08:22 Uncertainty +/-4.18 QC1204647269 MB Nickel-63 U 1.06 pCi/g 09/24/20 07:50 Uncertainty +/-1.97 Batch 2046296 QC1204656259 521724001 DUP Carbon-14 HU -0.470 HU 0.414 pCi/g N/A N/A EW3 10/08/20 12:19 Uncertainty +/-2.09 +/-2.13 QC1204656261 LCS Carbon-14 145 145 pCi/g 99.5 (75%-125%) 10/08/20 13:27 Uncertainty +/-7.74 QC1204656258 MB Carbon-14 U -1.36 pCi/g 10/08/20 11:28 Uncertainty +/-1.95 QC1204656260 521724001 MS Carbon-14 154 HU -0.470 H 154 pCi/g 100 (75%-125%) 10/08/20 13:11 Uncertainty +/-2.09 +/-8.08 Batch 2046317 QC1204656319 521724001 DUP Tritium HU 1.66 HU 2.10 pCi/g N/A N/A TXJ1 10/09/20 15:51 Uncertainty +/-4.22 +/-3.84 QC1204656321 LCS Tritium 123 93.8 pCi/g 76 (75%-125%) 10/09/20 17:57 Uncertainty +/-6.91 QC1204656318 MB Tritium U 1.44 pCi/g 10/09/20 14:47 Uncertainty +/-3.86 QC1204656320 521724001 MS Tritium 137 HU 1.66 H 109 pCi/g 79.4 (75%-125%) 10/12/20 03:27 Uncertainty +/-4.22 +/-15.7 Page 56 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 521724 Page 6 of 7 Parmname NOM Sample Qual QC Units RPD% REC% Range Anlst Date Time Rad Liquid Scintillation Batch 2047687 QC1204659474 521724001 DUP Technetium-99 HU -0.958 HU -0.533 pCi/g N/A N/A JJ3 10/11/20 17:15 Uncertainty +/-0.946 +/-0.921 QC1204659475 LCS Technetium-99 35.1 34.0 pCi/g 96.9 (75%-125%) 10/11/20 17:53 Uncertainty +/-1.53 QC1204659473 MB Technetium-99 U -0.235 pCi/g 10/11/20 16:38 Uncertainty +/-0.819 Notes:

Counting Uncertainty is calculated at the 95% confidence level (1.96-sigma).

The Qualifiers in this report are defined as follows:

    • Analyte is a Tracer compound

< Result is less than value reported

> Result is greater than value reported BD Results are either below the MDC or tracer recovery is low FA Failed analysis.

H Analytical holding time was exceeded J See case narrative for an explanation J Value is estimated K Analyte present. Reported value may be biased high. Actual value is expected to be lower.

L Analyte present. Reported value may be biased low. Actual value is expected to be higher.

M M if above MDC and less than LLD M REMP Result > MDC/CL and < RDL N/A RPD or %Recovery limits do not apply.

N1 See case narrative ND Analyte concentration is not detected above the detection limit NJ Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier Q One or more quality control criteria have not been met. Refer to the applicable narrative or DER.

R Sample results are rejected U Analyte was analyzed for, but not detected above the MDL, MDA, MDC or LOD.

UI Gamma Spectroscopy--Uncertain identification UJ Gamma Spectroscopy--Uncertain identification UL Not considered detected. The associated number is the reported concentration, which may be inaccurate due to a low bias.

X Consult Case Narrative, Data Summary package, or Project Manager concerning this qualifier Page 57 of 58 SDG: 521724

GEL LABORATORIES LLC 2040 Savage Road Charleston, SC 29407 - (843) 556-8171 - www.gel.com QC Summary Workorder: 521724 Page 7 of 7 Parmname NOM Sample Qual QC Units RPD% REC% Range Anlst Date Time Y Other specific qualifiers were required to properly define the results. Consult case narrative.

^ RPD of sample and duplicate evaluated using +/-RL. Concentrations are <5X the RL. Qualifier Not Applicable for Radiochemistry.

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 or %RPD not applicable.

^ The Relative Percent Difference (RPD) obtained from the sample duplicate (DUP) is evaluated against the acceptance 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.

  • Indicates that a Quality Control parameter was not within specifications.

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.

Page 58 of 58 SDG: 521724