ML18074A227

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Westinghouse Hematite Decommissioning Project - Final Status Survey Final Report Volume 3, Chapter 4, Survey Area Release Record for Land Survey Area 10, Survey Unit 12, Rev. 2, FSS Data Evaluation
ML18074A227
Person / Time
Site: 07000036
Issue date: 02/08/2018
From:
Westinghouse
To:
Office of Nuclear Material Safety and Safeguards
Shared Package
ML18074A285 List:
References
HEM-18-6
Download: ML18074A227 (9)
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Text

Survey Area:

==

Description:==

Survey Unit:

==

Description:==

Survey Type:

Classification:

Surface or CSM Type Start Elevation*

End Elevation*

Three-Layer S

422.0 421.6 Three-Layer S

422.4 421.9 Three-Layer S

424.9 424.4 Three-Layer S

423.1 422.6 Three-Layer S

425.0 424.0 Three-Layer S

424.0 423.5 Three-Layer S

426.4 425.9 Three-Layer S

426.4 425.6 Three-Layer S

425.6 425.1 Three-Layer S

425.4 424.4 Three-Layer S

424.4 423.9 Three-Layer S

426.8 426.3 Three-Layer Q

426.4 425.9 Three-Layer B

427.4 426.9 Three-Layer B

426.4 425.9 Three-Layer B

424.1 423.6 Three-Layer B

422.5 422.0

  • Elevations are in feet above mean sea level.
    • Missouri - East State Plane Coordinates [North American Datum (NAD) 1983]

Surface: Floor = F; Wall = W; Ceiling = C; Roof = R CSM: Three-Layer (Surface-Root-Excavation) or Uniform Stratum DCGLs used Type: Systematic = S, Biased = B; QC =Q; Investigation = I Quality Record L10-12-14-B-E-B-00 865094.0 827531.8 Excavation 6-inch grab Green shaded samples are the samples at each sample location (station), for use in the WRS test.

Excavation 6-inch grab Excavation 6-inch grab L10-12-15-B-E-B-00 L10-12-16-B-E-B-00 865117.4 865165.2 827586.0 827580.8 L10-12-07-B-E-Q-00 865121.0 827536.0 Excavation 6-inch grab Excavation 6-inch grab 827560.4 865065.4 L10-12-13-B-E-B-00 L10-12-11-B-E-S-00 865121.0 827629.2 Excavation 6-inch grab L10-12-12-B-E-S-00 865080.6 827559.3 Excavation 6-inch grab L10-12-09-B-E-S-00 865121.0 827582.6 Excavation 6-inch grab L10-12-10-B-R-S-00 865121.0 827629.2 Root 12-inch composite L10-12-07-B-E-S-00 865121.0 827536.0 Excavation 6-inch grab L10-12-08-B-R-S-00 865121.0 827582.6 Root 10-inch composite 827605.9 Root 12-inch composite L10-12-06-B-E-S-00 865161.4 827605.9 Excavation 6-inch grab L10-12-05-B-R-S-00 865161.4 Hematite Decommissioning Project Procedure: HDP-PR-FSS-701, Final Status Survey Plan Development Westinghouse Non-Proprietary Class 3 Revision: 5 Appendix P-4, Page 1 of 1 APPENDIX P-4 FSS SAMPLE & MEASUREMENT LOCATIONS & COORDINATES LSA 10 Burial Pits Open Land Area 12 Southeast Survey Unit (North Burial Pit)

Excavation 6-inch grab L10-12-04-B-E-S-00 865161.4 827559.3 Excavation 6-inch grab L10-12-03-B-E-S-00 865161.4 827512.7 FSS Class 1 L10-12-02-B-E-S-00 865201.7 827582.6 Excavation 6-inch grab Remarks / Notes L10-12-01-B-E-S-00 865201.7 827536.0 Excavation 6-inch grab Measurement or Sample ID Northing**

(Y Axis)

Easting**

(X Axis)

HDP-PR-FSS-721 Final Status Survey Data Evaluation Preliminary Data Review and Calculation of the Sum-of-Fractions (SOF)

LSA10-12 FSS Data Evaluation R2.xlsx/Ingrowth Data Evaluation 03/06/2018 Page 2 of 9 Result Uncertainty MDC Qualifier Net Result*

Corrected Result Result Corrected Result Uncertainty MDC Qualifier Result Uncertainty MDC Qualifier Net Result**

Corrected Result Result Uncertainty MDC Qualifier Result Uncertainty MDC Qualifier Result Uncertainty MDC Qualifier L10-12-01-B-E-S-00 7.6 S

0.949 0.136 0.060 NA

-0.121 0.000 4.200 4.200 0.527 0.231 NA 1.010 0.160 0.112 NA 0.010 0.010 1.079 NA NA NA 0.052 0.141 0.251 U

1.130 0.539 0.836 NA L10-12-02-B-E-S-00 6.05 S

0.904 0.160 0.094 NA

-0.166 0.000 19.100 19.100 1.840 0.218 NA 1.080 0.198 0.107 NA 0.080 0.080 2.043 NA NA NA 0.109 0.166 0.264 U

0.990 0.588 0.932 NA L10-12-03-B-E-S-00 6.39 S

1.390 0.192 0.087 NA 0.320 0.320 0.267 0.267 0.160 0.220 NA 1.470 0.224 0.129 NA 0.470 0.470 1.250 NA NA NA

-0.03 0.169 0.285 U

1.250 0.384 1.060 NA L10-12-04-B-E-S-00 7.03 S

1.160 0.170 0.079 NA 0.090 0.090 4.420 4.420 0.507 0.221 NA 1.410 0.233 0.095 NA 0.410 0.410 2.725 NA NA NA 0.146 0.155 0.269 U

1.290 0.610 0.943 NA L10-12-05-B-R-S-00 3.94 S

1.250 0.185 0.077 NA 0.180 0.180 2.420 2.420 0.405 0.225 NA 1.120 0.178 0.139 NA 0.120 0.120 5.595 NA NA NA 0.308 0.151 0.197 NA 1.460 0.360 0.903 NA L10-12-06-B-E-S-00 4.92 S

1.120 0.172 0.076 NA 0.050 0.050 1.530 1.530 0.324 0.223 NA 0.981 0.183 0.156 NA

-0.019 0.000 1.733 NA NA NA 0.093 0.162 0.205 U

0.790 0.429 1.190 U

L10-12-07-B-E-S-00 5.38 S

1.530 0.204 0.083 NA 0.460 0.460 0.066 0.066 0.078 0.213 U

1.310 0.187 0.110 NA 0.310 0.310 2.138 NA NA NA 0.115 0.167 0.275 U

0.956 0.316 0.888 NA L10-12-08-B-R-S-00 4.09 S

1.340 0.177 0.060 NA 0.270 0.270 0.041 0.041 0.021 0.263 U

1.170 0.181 0.133 NA 0.170 0.170 3.879 NA NA NA 0.214 0.165 0.214 NA 0.898 0.317 0.866 NA L10-12-09-B-E-S-00 4.92 S

1.600 0.247 0.115 NA 0.530 0.530 0.117 0.117 0.157 0.248 U

1.300 0.234 0.170 NA 0.300 0.300 1.629 NA NA NA 0.088 0.177 0.317 U

0.674 0.366 1.100 U

L10-12-10-B-R-S-00 3.95 S

1.350 0.221 0.121 NA 0.280 0.280 0.216 0.216 0.053 0.225 U

1.270 0.214 0.079 NA 0.270 0.270 4.171 NA NA NA 0.229 0.191 0.221 NA 1.210 0.657 1.030 NA L10-12-11-B-E-S-00 4.92 S

1.630 0.208 0.078 NA 0.560 0.560 0.050 0.050 0.096 0.235 U

1.400 0.210 0.112 NA 0.400 0.400 1.791 NA NA NA 0.091 0.166 0.274 U

1.280 0.577 0.895 NA L10-12-12-B-E-S-00 5.94 S

1.250 0.171 0.070 NA 0.180 0.180 0.127 0.127 0.164 0.223 U

1.170 0.168 0.089 NA 0.170 0.170 2.427 NA NA NA 0.132 0.145 0.242 U

0.908 0.306 0.880 NA L10-12-07-B-E-Q-00 5.38 Q

1.430 0.214 0.093 NA 0.360 0.360 0.023 0.023 0.078 0.206 U

1.290 0.209 0.200 NA 0.290 0.290 2.025 NA NA NA 0.102 0.188 0.313 U

1.580 0.910 1.140 NA L10-12-13-B-E-B-00 5.49 B

1.340 0.217 0.107 NA 0.270 0.270 0.375 0.375 0.169 0.261 NA 1.410 0.230 0.154 NA 0.410 0.410 2.454 NA NA NA 0.132 0.209 0.329 U

1.090 0.403 1.110 U

L10-12-14-B-E-B-00 6.36 B

1.330 0.185 0.077 NA 0.260 0.260 0.024 0.024 0.027 0.257 U

1.300 0.188 0.115 NA 0.300 0.300 1.216 NA NA NA 0.056 0.160 0.269 U

1.650 0.594 0.883 NA L10-12-15-B-E-B-00 6.21 B

1.460 0.192 0.068 NA 0.390 0.390

-0.073 0.000 0.019 0.216 U

1.290 0.191 0.118 NA 0.290 0.290 1.219 NA NA NA 0.064 0.141 0.254 U

0.746 0.314 0.993 U

L10-12-16-B-E-B-00 6.88 B

1.010 0.136 0.050 NA

-0.060 0.000 5.010 5.010 0.584 0.217 NA 0.962 0.163 0.084 NA

-0.038 0.000 1.370 NA NA NA 0.073 0.119 0.199 U

0.706 0.266 0.685 NA With ingrowth, use Ra226 bkg =

1.07 Th232 bkg =

1.0 Gross results in units of pCi/g.

  • With ingrowth, background (1.07 pCi/g) subtracted from gross result.

U qualifier: A normal, non-detected result (result less than MDC).

All uncertainty values are reported at the 2-sigma confidence level.

NOTES:

    • Background (1.0 pCi/g) subtracted from gross result.

0.236 Systematic Standard Deviation 0.196 5.411 0.158 1.351 0.089 2.091 0.112 1.060 0.225 0.308 1.460 Systematic Minimum 0.000 0.041 0.000 1.079

-0.031 0.674 Systematic Mean 0.243 2.713 0.226 2.539 0.129 1.070 Systematic Median Systematic Maximum 0.560 19.100 0.470 5.595 0.242 0.220 Sample ID Sample Start Depth (ft)

Type (Systematic, Bias, QC)

TestAmerica Analytical Results Ra-226 Tc-99 Th-232 Inferred U-234 U-235 U-238

HDP-PR-FSS-721 Final Status Survey Data Evaluation Preliminary Data Review and Calculation of the Sum-of-Fractions (SOF)

LSA10-12 FSS Data Evaluation R2.xlsx/Ingrowth Data Evaluation 03/06/2018 Page 3 of 9 Enr.

SOF Use corrected net results for all DE calcs.

Enrichment

(%)

SOF Is Sample in the Root Stratum?

Is ROOT Sample SOF >

0.5?

root count excavation count surface count MDC SOF U-238/U235 Ratio U-234/U235 Ratio U-234

% Enrichment using U-235 MDC

  • ratio of U-234:U-235 @

that sample's enrichment L10-12-01-B-E-S-00 7.60 S

0.7 0.06 EXCAVATION good 1

0.04 DCLGW, Measure Tc-99, All SEAs 21.9 21.0 1.1 0.7 5.261 L10-12-02-B-E-S-00 6.05 S

1.7 0.28 EXCAVATION good 1

0.05 Surface Root Excavation 9.1 18.7 2.0 1.7 4.949 L10-12-03-B-E-S-00 6.39 S

0.7 0.16 EXCAVATION good 1

0.05 U-234 508.5 235.6 872.4 21.4 21.0

-0.7 0.72 5.973 L10-12-04-B-E-S-00 7.03 S

1.8 0.16 EXCAVATION good 1

0.04 U-235 102.3 64.1 208.1 8.8 18.7 2.7 1.8 5.021 L10-12-05-B-R-S-00 3.94 S

3.2 0.26 ROOT good 1

0.14 U-238 297.6 183.3 551.1 4.7 18.2 5.6 3.2 3.579 L10-12-06-B-E-S-00 4.92 S

1.9 0.03 EXCAVATION good 1

0.05 Tc-99 151 30.1 74.0 8.5 18.6 1.7 1.9 3.812 L10-12-07-B-E-S-00 5.38 S

1.9 0.15 EXCAVATION good 1

0.05 Th-232 4.7 2.0 5.2 8.3 18.6 2.1 1.9 5.113 L10-12-08-B-R-S-00 4.09 S

3.6 0.24 ROOT good 1

0.13 Ra-226 5.0 2.1 5.4 4.2 18.1 3.9 3.6 3.879 L10-12-09-B-E-S-00 4.92 S

2.0 0.16 EXCAVATION good 1

0.07 7.7 18.5 1.6 2.0 5.875 L10-12-10-B-R-S-00 3.95 S

2.9 0.30 ROOT good 1

0.13 5.3 18.2 4.2 2.9 4.026 L10-12-11-B-E-S-00 4.92 S

1.1 0.19 EXCAVATION good 1

0.05 weighted SOFMEAN 0.19 14.0 19.6 1.8 1.1 5.370 L10-12-12-B-E-S-00 5.94 S

2.3 0.07 EXCAVATION good 1

0.04 SS RS ES 6.9 18.4 2.4 2.3 4.450 L10-12-07-B-E-Q-00 5.38 Q

1.0 0.13 EXCAVATION good 0.07 fractions 0

0.273 0.8181818 15.5 19.9 2.0 1.0 6.214 L10-12-13-B-E-B-00 5.49 B

1.9 0.14 EXCAVATION good 0.06 8.3 18.6 2.5 1.9 6.118 L10-12-14-B-E-B-00 6.36 B

0.6 0.11 EXCAVATION good 0.05 29.5 21.8 1.2 0.6 5.854 L10-12-15-B-E-B-00 6.21 B

1.4 0.13 EXCAVATION good 0.05 11.7 19.1 1.2 1.4 4.844 L10-12-16-B-E-B-00 6.88 B

1.6 0.07 EXCAVATION good 0.03 9.7 18.8 1.4 1.6 3.749 2.0 0.03 SOFMEAN Re-use Backfill Material Average Enrichment (%)

1.99 0.30 11 3

9 0

0 Off-Site Backfill 0.17 count tot 0.16 DP Sec. 14.1.5.2 Use number of stations (sample locations ) for divisor.

SOFMEAN Groundwater 0.09 0.16 Grouted pipe dose to be added if applicable.

Column SOF:

SOF Sum of Column SOF L10-12-01-B-E-S-00 0.06 0.06 L10-12-02-B-E-S-00 0.28 0.28 SOFTOT <=1 L10-12-03-B-E-S-00 0.16 0.16 SOFMEAN, SU 0.35 PASS L10-12-04-B-E-S-00 0.16 0.16 L10-12-05-B-R-S-00 0.26 L10-12-06-B-E-S-00 0.03 L10-12-07-B-E-S-00 0.15 0.15 L10-12-08-B-R-S-00 0.24 8.7 mrem L10-12-09-B-E-S-00 0.16 L10-12-10-B-R-S-00 0.30 L10-12-11-B-E-S-00 0.19 L10-12-12-B-E-S-00 0.07 0.07 Calculate the dose contribution for the SU by multiplying SOFMEAN,SU (including contribution from Re-use backfill and Groundwater) by 25 mrem.

0.40 0.49 0.30 Infer U234 Average Enrichment

(%)

Negative U-235 result, set enrichment to natural uranium.

Sample Start Depth (ft)

Type (Systematic, Bias, QC)

Root Stratum SOF Verification (unexcavated/not backfilled only)

Sample ID

HDP-PR-FSS-721 Final Status Survey Data Evaluation Preliminary Data Review and Calculation of the Sum-of-Fractions (SOF)

LSA10-12 FSS Data Evaluation R2.xlsx/Ingrowth Data Evaluation 03/06/2018 Page 4 of 9 Ave Conc. Ra-226, SS Ave Conc. Tc-99, SS Ave Conc. Th-232, SS Ave Conc. U-234, SS Ave Conc. U-235, SS Ave Conc. U-238, SS 0.000 0.000 0.000 0.000 0.000 0.000 Ave Conc. Ra-226, RS Ave Conc. Tc-99, RS Ave Conc. Th-232, RS Ave Conc. U-234, RS Ave Conc. U-235, RS Ave Conc. U-238, RS 0.180 2.420 0.120 5.595 0.308 1.460 0.270 0.041 0.170 3.879 0.214 0.898 0.280 0.216 0.270 4.171 0.229 1.210 0.243 0.892 0.187 4.549 0.250 1.189 Ave Conc. Ra-226, ES Ave Conc. Tc-99, ES Ave Conc. Th-232, ES Ave Conc. U-234, ES Ave Conc. U-235, ES Ave Conc. U-238, ES 0

4.2 0.01 1.0794 0.0515 1.13 0

19.1 0.08 2.0433 0.109 0.99 0.320 0.267 0.470 1.25

-0.0311 1.25 0.09 4.42 0.41 2.7251 0.146 1.29 0.050 1.53 0.000 1.733 0.0932 0.79 0.46 0.0661 0.31 2.1384 0.115 0.956 0.53 0.117 0.3 1.629 0.0879 0.674 0.56 0.0503 0.4 1.7914 0.0914 1.28 0.180 0.127 0.170 2.4271 0.132 0.908 0.243 3.320 0.239 1.869 0.088 1.030

HDP-PR-FSS-721 Final Status Survey Data Evaluation Performance of Statistical Tests LSA10-12 FSS Data Evaluation R2.xlsx/WRS Test - Root DCGLs 03/06/2018 Page 5 of 9 SAMPLE ID AREA (Reference, Survey Unit)

Gross SOF (Xi,ref, Yi,SU)

ADJUSTED SOF (Zi)

RANKS REFERENCE AREA RANKS 9574-SS-140910-01-01 Reference 1.13 2.130 36 36 9574-SS-140910-01-02 Reference 0.72 1.721 14 14 9574-SS-140910-01-03 Reference 0.97 1.970 23 23 9574-SS-140910-01-04 Reference 0.97 1.967 22 22 9574-SS-140910-01-05 Reference 0.95 1.952 20 20 9574-SS-140910-01-07 Reference 0.83 1.829 16 16 9574-SS-140910-01-08 Reference 0.99 1.987 26 26 9574-SS-140910-01-09 Reference 0.90 1.904 18 18 9574-SS-140910-01-10 Reference 1.14 2.144 37 37 9574-SS-140910-01-11 Reference 0.96 1.958 21 21 9574-SS-140910-01-12 Reference 1.16 2.160 39 39 9574-SS-140910-01-13 Reference 0.98 1.9826 25 25 9574-SS-140910-01-14 Reference 0.95 1.9513 19 19 9574-SS-140910-01-15 Reference 0.82 1.824 15 15 9574-SS-140910-01-16 Reference 1.17 2.171 40 40 9574-SS-140910-01-17 Reference 1.12 2.124 34 34 9574-SS-140910-01-18 Reference 1.24 2.241 42 42 9574-SS-140910-01-20 Reference 1.11 2.115 33 33 9574-SS-140910-01-21 Reference 1.01 2.009 28 28 9574-SS-140910-01-22 Reference 1.05 2.053 29 29 9574-SS-140910-01-23 Reference 1.23 2.234 41 41 9574-SS-140910-01-24 Reference 1.28 2.277 43 43 9574-SS-140910-01-25 Reference 1.09 2.091 31 31 9574-SS-140910-01-26 Reference 1.13 2.127 35 35 9574-SS-140910-01-27 Reference 1.16 2.160 38 38 9574-SS-140910-01-28 Reference 1.31 2.314 44 44 9574-SS-140910-01-29 Reference 1.00 1.999 27 27 9574-SS-140910-01-30 Reference 0.89 1.891 17 17 9574-SS-140910-01-31 Reference 1.06 2.064 30 30 9574-SS-140910-01-32 Reference 1.10 2.097 32 32 9574-SS-140910-01-33 Reference 0.98 1.975 24 24 Min adjusted bkg SOF:

9574-SS-140910-01-34 Reference 0.41 1.411 8

8 1.411 Stratum L10-12-01-B-E-S-00 Survey Unit 1.11 1.108 2

0 No WRS test necessary EXCAVATION L10-12-02-B-E-S-00 Survey Unit 1.62 1.621 13 0

Perform WRS test EXCAVATION L10-12-03-B-E-S-00 Survey Unit 1.42 1.417 9

0 Perform WRS test EXCAVATION L10-12-04-B-E-S-00 Survey Unit 1.43 1.425 10 0

Perform WRS test EXCAVATION L10-12-05-B-R-S-00 Survey Unit 1.27 1.272 5

0 No WRS test necessary ROOT L10-12-06-B-E-S-00 Survey Unit 1.09 1.088 1

0 No WRS test necessary EXCAVATION L10-12-07-B-E-S-00 Survey Unit 1.40 1.402 7

0 No WRS test necessary EXCAVATION L10-12-08-B-R-S-00 Survey Unit 1.25 1.249 4

0 No WRS test necessary ROOT L10-12-09-B-E-S-00 Survey Unit 1.43 1.428 11 0

Perform WRS test EXCAVATION L10-12-10-B-R-S-00 Survey Unit 1.31 1.313 6

0 No WRS test necessary ROOT L10-12-11-B-E-S-00 Survey Unit 1.49 1.494 12 0

Perform WRS test EXCAVATION L10-12-12-B-E-S-00 Survey Unit 1.20 1.202 3

0 No WRS test necessary EXCAVATION Rank Sums 990 907 Wr

  1. Reference Area Measurements m

32

  1. Survey Unit Measurements n

12 Total Number of Measurements N

44 (1-) percentile of a standard normal distribution (MARSSIM Pg. I-10) z 1.645

= 0.05 WRS Critical Value (MARSSIM Pg. I-10, Eq. I.1)

CV 783 TEST:

PASS WRS TEST

HDP-PR-FSS-721 Final Status Survey Data Evaluation Performance of Statistical Tests LSA10-12 FSS Data Evaluation R2.xlsx/Background data 03/06/2018 Page 6 of 9 Background Soil Locations - Surface and Sub-Surface Soil - Statistical and Analytical Sample Results Surface and Sub-Surface - Background Soil - Analytical Results Use Root DCGLs.

Conc.

Error MDC Conc.

Error MDC Conc.

Error MDC Conc.

Error MDC Conc.

Error MDC 9574-SS-140910-01-01 1.150 0.164 0.068 1.150 0.178 0.133 0.671 0.181 0.050 0.022 0.040 0.071 0.724 0.189 0.050 1.13 9574-SS-140910-01-02 0.719 0.103 0.045 0.749 0.120 0.090 0.353 0.129 0.051 0.011 0.028 0.063 0.379 0.135 0.068 0.72 9574-SS-140910-01-03 1.040 0.166 0.077 0.936 0.183 0.145 0.518 0.164 0.062 0.015 0.030 0.044 0.723 0.195 0.036 0.97 9574-SS-140910-01-04 1.010 0.138 0.051 0.962 0.171 0.090 0.390 0.138 0.034 0.014 0.029 0.043 0.591 0.172 0.060 0.97 9574-SS-140910-01-05 0.995 0.160 0.085 0.948 0.178 0.091 0.345 0.163 0.083 0.000 0.009 0.068 0.421 0.179 0.055 0.95 9574-SS-140910-01-07 0.858 0.133 0.064 0.831 0.150 0.110 0.512 0.160 0.035 0.038 0.051 0.075 0.453 0.150 0.035 0.83 9574-SS-140910-01-08 1.030 0.143 0.064 0.979 0.139 0.087 0.832 0.210 0.075 0.000 0.005 0.043 0.632 0.179 0.053 0.99 9574-SS-140910-01-09 1.080 0.169 0.070 0.768 0.188 0.184 0.484 0.159 0.055 0.043 0.053 0.069 0.493 0.161 0.063 0.90 9574-SS-140910-01-10 1.170 0.174 0.077 1.160 0.191 0.143 0.571 0.169 0.064 0.034 0.050 0.080 0.757 0.196 0.034 1.14 9574-SS-140910-01-11 0.972 0.136 0.084 0.977 0.142 0.079 0.606 0.174 0.059 0.028 0.040 0.042 0.575 0.168 0.034 0.96 9574-SS-140910-01-12 1.220 0.184 0.086 1.140 0.210 0.139 0.747 0.199 0.054 0.056 0.060 0.067 0.997 0.233 0.036 1.16 9574-SS-140910-01-13 1.020 0.140 0.076 0.978 0.157 0.096 0.724 0.198 0.037 0.046 0.053 0.046 0.744 0.201 0.056 0.98 9574-SS-140910-01-14 1.050 0.146 0.061 0.889 0.156 0.080 0.705 0.193 0.061 0.029 0.042 0.044 0.607 0.178 0.067 0.95 9574-SS-140910-01-15 0.805 0.121 0.058 0.871 0.140 0.110 0.434 0.145 0.058

-0.003 0.005 0.064 0.594 0.171 0.034 0.82 9574-SS-140910-01-16 1.320 0.201 0.090 1.070 0.189 0.153 0.513 0.152 0.054 0.049 0.052 0.059 0.835 0.198 0.031 1.17 9574-SS-140910-01-17 1.190 0.165 0.070 1.100 0.179 0.129 0.639 0.183 0.062 0.024 0.043 0.077 0.844 0.213 0.036 1.12 Min 0.72 0.75 0.35 0.00 0.38 0.72 Max 1.32 1.16 0.83 0.06 1.00 Mean 1.04 0.97 0.57 0.03 0.65 Stdev 0.16 0.13 0.15 0.02 0.17 Sub-Surface Conc.

Error MDC Conc.

Error MDC Conc.

Error MDC Conc.

Error MDC Conc.

Error MDC Use Root DCGLs.

9574-SS-140910-01-18 1.340 0.193 0.085 1.190 0.200 0.117 0.808 0.200 0.062 0.038 0.047 0.062 0.745 0.191 0.049 1.24 DCLGW, Measure Tc-99, All SEAs 9574-SS-140910-01-20 1.260 0.206 0.109 1.010 0.197 0.176 1.120 0.241 0.057 0.068 0.061 0.041 0.710 0.187 0.050 1.11 Surface Root Excavation 9574-SS-140910-01-21 1.070 0.156 0.074 0.982 0.153 0.124 1.040 0.232 0.050 0.028 0.039 0.041 0.705 0.187 0.050 1.01 U-234 508.5 235.6 872.4 9574-SS-140910-01-22 0.922 0.131 0.057 1.210 0.170 0.106 0.829 0.215 0.065 0.013 0.032 0.071 0.981 0.236 0.037 1.05 U-235 102.3 64.1 208.1 9574-SS-140910-01-23 1.130 0.170 0.084 1.370 0.229 0.115 1.140 0.254 0.055 0.073 0.068 0.069 0.994 0.235 0.036 1.23 U-238 297.6 183.3 551.1 9574-SS-140910-01-24 1.200 0.165 0.065 1.390 0.221 0.131 1.090 0.247 0.055 0.024 0.043 0.078 0.992 0.234 0.055 1.28 Tc-99 151 30.1 74 9574-SS-140910-01-25 1.230 0.164 0.065 0.990 0.156 0.126 0.887 0.216 0.053 0.069 0.065 0.065 0.959 0.226 0.070 1.09 Th-232 4.7 2

5.2 9574-SS-140910-01-26 1.080 0.159 0.079 1.210 0.179 0.106 0.730 0.219 0.078 0.019 0.037 0.056 0.764 0.223 0.045 1.13 Ra-226 5

2.1 5.4 9574-SS-140910-01-27 1.310 0.185 0.082 1.050 0.163 0.110 1.160 0.255 0.036 0.059 0.059 0.044 0.956 0.228 0.062 1.16 9574-SS-140910-01-28 1.280 0.188 0.089 1.390 0.201 0.131 0.871 0.217 0.055 0.060 0.060 0.045 0.895 0.220 0.036 1.31 No Tc-99 expected in background area.

9574-SS-140910-01-29 1.080 0.154 0.081 0.955 0.160 0.146 0.842 0.208 0.059 0.011 0.029 0.064 0.708 0.189 0.051 1.00 9574-SS-140910-01-30 0.960 0.161 0.086 0.851 0.166 0.156 0.744 0.196 0.035 0.072 0.065 0.043 0.787 0.203 0.053 0.89 9574-SS-140910-01-31 1.060 0.146 0.050 1.100 0.159 0.089 0.572 0.170 0.070 0.099 0.075 0.043 0.986 0.228 0.052 1.06 9574-SS-140910-01-32 1.060 0.157 0.071 1.170 0.177 0.078 0.598 0.174 0.060 0.058 0.058 0.043 0.758 0.198 0.060 1.10 9574-SS-140910-01-33 1.030 0.147 0.069 0.954 0.153 0.119 0.772 0.196 0.050 0.014 0.028 0.041 0.828 0.203 0.033 0.98 9574-SS-140910-01-34 0.618 0.099 0.040 0.225 0.085 0.099 0.389 0.138 0.052 0.014 0.029 0.043 0.494 0.156 0.035 0.41 Min 0.62 0.23 0.39 0.01 0.49 0.41 Max 1.34 1.39 1.16 0.0992 0.994 Mean 1.10 1.07 0.85 0.04 0.83 Stdev 0.18 0.28 0.22 0.03 0.14

  • alpha spectroscopy results.

Dataset Min =

0.618 0.225 0.345

-0.00262 0.379 SOF U-238*

(pCi/g)

U-235*

(pCi/g)

Sample ID Th-232 (pCi/g)

U-234*

(pCi/g)

Ra-226 w/ 21-Day Ingrowth (pCi/g)

U-238*

(pCi/g)

SOF Sample ID Ra-226 w/ 21-Day Ingrowth Th-232 U-234*

U-235*

(pCi/g)

(pCi/g)

(pCi/g)

(pCi/g)

HDP-PR-FSS-721 Final Status Survey Data Evaluation RetrospectiveSample Size Verification LSA10-12 FSS Data Evaluation R2.xlsx/Retrospective Sample Size 03/06/2018 Page 7 of 9 MARSSIM Table 5.1 MARSSIM Table 5.2, = 0.05, = 0.10

/

Pr (or )

Z1- (or Z1-)

0.1 0.528182 0.005 2.576 0.2 0.556223 0.01 2.326 0.3 0.583985 0.015 2.241 0.4 0.611335 0.025 1.960 0.5 0.638143 0.05 1.645

0.6 0.664290 0.10 1.282

0.7 0.689665 0.15 1.036 0.8 0.714167 0.2 0.842 0.9 0.737710 0.25 0.674 1.0 0.760217 0.30 0.524 1.1 0.781627 1.2 0.801892 1.3 0.820978 1.4 0.838864 1.5 0.855541 1.6 0.871014 1.7 0.885299 1.8 0.898420 1.9 0.910413 2.0 0.921319 2.25 0.944167 2.5 0.961428 2.75 0.974067 3.0 0.983039 3.5 0.993329 4.0 0.997658 4.01 1.000000 Stratum DCGL Criteria Evaluation N/2 Value Verification Isotope(s)

SOF (Ra/Tc/Th/Iso U)

St. Dev.

0.09 DCGLSOF 1

LBGR (Mean) 0.17 Shift 0.83 Relative Shift (/)

9.50 MARSSIM Table 5.1 (Pr) 1.000000 N

12 Verification Check SUFFICIENT MEASUREMENTS "N/2" Corresponds to the number of survey unit measurement locations required for the WRS Test N + 20%

14.4 N/2 8

FSS N/2 9

LSA 10-12 SOFn Only 0.1 0.3 0.2 0.2 0.3 0.0 0.2 0.2 0.2 0.3 0.2 0.1

v4.65.2 Last updated 1 November 2016 at 9:50 by W. Clark Evers Descriptives N

12

Mean 95% CI Mean SE SD Variance Skewness Kurtosis LSA 10-12 SOFn Only 0.17 0.12 to 0.23 0.025 0.09 0.01

-0.1

-0.96

Minimum 1st quartile Median 96.14% CI 3rd quartile Maximum IQR LSA 10-12 SOFn Only 0.0 0.11 0.16 0.07 to 0.26 0.25 0.3 0.15 Distribution: LSA 10-12 SOFn Only SOFn A1:A13 0

1 2

3 4

5 6

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

Frequency LSA 10-12 SOFn Only 0

0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

LSA 10-12 SOFn Only

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