ML18079A201

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Final Status Survey Final Report Volume 3, Chapter 21, Survey Area Release Record for Land Survey Area 08, Survey Unit 12, Appendix P-4 Corrected 2-13-18
ML18079A201
Person / Time
Site: 07000036
Issue date: 02/28/2018
From:
Westinghouse
To:
Office of Nuclear Material Safety and Safeguards
References
HEM-18-8
Download: ML18079A201 (15)
v • d • e


Text

Survey Area:

==

Description:==

Survey Unit:

==

Description:==

Survey Type:

Classification:

Surface or CSM Type Start Elevation End Elevation Deep S

427.9 427.4 Deep S

428.7 428.2 Deep S

428.5 428.0 Root S

429.2 428.9 Deep S

428.9 428.4 Deep S

426.5 426.0 Root S

430.0 427.6 Deep S

427.6 427.1 Root S

428.7 428.0 Deep S

428.0 427.5 Deep S

427.6 427.2 Root S

432.3 429.0 Deep S

429.0 428.6 Root S

428.0 427.9 Deep S

427.9 427.4 Root S

429.7 428.7 Deep S

428.7 428.2 Deep Q

427.9 427.4 Root Q

429.3 428.8 Deep B

423.1 422.6 Root B

430.5 430.0 Root B

431.2 430.7 Root B

429.3 428.8 Root B

430.6 430.1 Root B

430.1 429.6 Deep B

428.5 428.0 Deep B

428.7 428.2 Root B

430.4 429.9 Root B

431.3 430.8

  • Elevations are in feet above mean sea level.
    • Missouri - East State Plane Coordinates [North American Datum (NAD) 1983] (Open Land Area) OR Distance in feet from lower left corner of the surface (Structures); each surface has it's own (X,Y) = (0,0); OR For piping the distance from the beginning of the survey unit.

Surface: Floor = F; Wall = W; Ceiling = C; Roof = R CSM: Three-Layer (Surface-Root-Deep) or Uniform Type: Systematic = S, Biased = B; QC =Q; Investigation = I L08-12-24-T-E-B-00 864771 827368 Bias 6-inch grab Quality Record Green shaded samples are the samples at each sample location, for use in WRS test.

L08-12-22-T-R-B-00 864710 827427 Bias 6-inch grab L08-12-23-T-R-B-00 864714 827428 Bias 6-inch grab L08-12-25-T-E-B-00 864775 827363 Bias 6-inch grab L08-12-26-T-R-B-00 864675 827391 Bias 6-inch grab L08-12-27-T-R-B-00 864716 L08-12-20-T-R-B-00 864672 827371 Bias 6-inch grab L08-12-21-T-R-B-00 864686 827374 Bias 6-inch grab L08-12-18-T-E-B-00 864703 827285 Sidewall Sample L08-12-19-T-R-B-00 864647 827338 Bias 6-inch grab L08-12-15-T-E-Q-00 864674 827323 Excavation 6-inch grab L08-12-21-T-R-Q-00 864686 827374 Excavation 6-inch grab L08-12-16-T-R-S-00 864674 827363 Root 9-inch composite L08-12-17-T-E-S-00 864674 827363 Excavation 6-inch grab L08-12-14-T-R-S-00 864674 827323 Root 9-inch composite L08-12-15-T-E-S-00 864674 827323 Excavation 6-inch grab L08-12-12-T-R-S-00 864709 827423 Root 9-inch composite L08-12-13-T-E-S-00 864709 827423 Excavation 6-inch grab L08-12-11-T-E-S-00 864709 827383 Excavation 6-inch grab L08-12-08-T-E-S-00 864709 827303 Excavation 6-inch grab L08-12-09-T-R-S-00 864709 827343 Root 9-inch composite Root 9-inch composite L08-12-05-T-E-S-00 864744 827403 Excavation 6-inch grab L08-12-10-T-E-S-00 864709 827343 Excavation 6-inch grab Hematite Decommissioning Project Procedure: HDP-PR-FSS-701, Final Status Survey Plan Development APPENDIX P-4 Revision: 10 Appendix P-4 Page 1 of 1 L08-12-02-T-E-S-00 864744 827323 Excavation 6-inch grab Measurement or Sample ID Northing (Y Axis)

  • Easting (X Axis)
  • Remarks / Notes L08-12-01-T-E-S-00 864779 827383 Excavation 6-inch grab 827428 Bias 6-inch grab FSS SAMPLE & MEASUREMENT LOCATIONS & COORDINATES LSA 08 Technetium SEA Open Land Area 12 Central Open Land Area FSS Class 1 L08-12-03-T-E-S-00 864744 827363 Excavation 6-inch grab L08-12-06-T-E-S-00 864744 827443 Excavation 6-inch grab L08-12-07-T-R-S-00 864709 827303 Root 9-inch composite L08-12-04-T-R-S-00 864744 827403

HDP-PR-FSS-721 Final Status Survey Data Evaluation Steps 8.3 Preliminary Data Review and 8.4 Calculation of the Sum-of-Fractions (SOF)

LSA 08-12 FSSDE Worksheets_3-Layer Corrected 2-13-18.xlsx/Ingrowth Data Evaluation 03/19/2018 Page 2 of 15 Enr.

SOF 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 Enrichment

(%)

SOF Step 8.4.3 Is Sample in the Root Stratum?

Is ROOT Sample SOF >

0.5?

root count excavation count surface count MDC SOF Step 8.1.1.c L08-12-01-T-E-S-00 5.00 S

1.350 0.183 0.077 N/A 0.280 0.280 3.340 3.340 0.383 0.220 N/A 1.280 0.196 0.147 N/A 0.280 0.280 9.632 NA NA NA 0.532 0.192 0.220 N/A 1.750 0.601 0.893 N/A L08-12-01-T-E-S-00 5.00 S

4.6 0.17 EXCAVATION good 1

0.05 L08-12-02-T-E-S-00 5.00 S

1.260 0.166 0.067 N/A 0.190 0.190 3.360 3.360 0.317 0.226 N/A 1.280 0.175 0.124 N/A 0.280 0.280 11.912 NA NA NA 0.658 0.191 0.219 N/A 2.270 0.697 0.825 N/A L08-12-02-T-E-S-00 5.00 S

4.4 0.16 EXCAVATION good 1

0.05 L08-12-03-T-E-S-00 5.00 S

1.170 0.155 0.052 N/A 0.100 0.100 5.280 5.280 0.616 0.225 N/A 1.140 0.162 0.093 N/A 0.140 0.140 5.752 NA NA NA 0.315 0.141 0.194 N/A 1.820 0.622 0.789 N/A L08-12-03-T-E-S-00 5.00 S

2.7 0.13 EXCAVATION good 1

0.04 L08-12-04-T-R-S-00 4.00 S

1.310 0.196 0.085 N/A 0.240 0.240 1.500 1.500 0.488 0.238 N/A 1.330 0.222 0.117 N/A 0.330 0.330 5.498 NA NA NA 0.303 0.157 0.227 N/A 1.340 0.351 0.889 N/A L08-12-04-T-R-S-00 4.00 S

3.4 0.36 ROOT good 1

0.13 L08-12-05-T-E-S-00 5.00 S

1.120 0.151 0.063 N/A 0.050 0.050 1.400 1.400 0.172 0.241 N/A 1.040 0.176 0.094 N/A 0.040 0.040 1.776 NA NA NA 0.092 0.166 0.244 U

1.240 0.511 0.780 N/A L08-12-05-T-E-S-00 5.00 S

1.2 0.04 EXCAVATION good 1

0.04 L08-12-06-T-E-S-00 5.00 S

1.210 0.169 0.063 N/A 0.140 0.140 2.260 2.260 0.300 0.258 N/A 1.040 0.162 0.126 N/A 0.040 0.040 4.094 NA NA NA 0.225 0.136 0.196 N/A 1.160 0.521 0.799 N/A L08-12-06-T-E-S-00 5.00 S

3.0 0.07 EXCAVATION good 1

0.05 L08-12-07-T-R-S-00 4.00 S

1.360 0.183 0.074 N/A 0.290 0.290 1.920 1.920 0.198 0.233 N/A 1.370 0.198 0.115 N/A 0.370 0.370 7.685 NA NA NA 0.423 0.178 0.210 N/A 2.050 0.565 0.795 N/A L08-12-07-T-R-S-00 4.00 S

3.2 0.44 ROOT good 1

0.12 L08-12-08-T-E-S-00 5.00 S

1.370 0.207 0.081 N/A 0.300 0.300 3.440 3.440 0.339 0.234 N/A 1.170 0.206 0.150 N/A 0.170 0.170 3.059 NA NA NA 0.167 0.192 0.301 U

1.050 0.386 1.060 U

L08-12-08-T-E-S-00 5.00 S

2.5 0.14 EXCAVATION good 1

0.06 L08-12-09-T-R-S-00 4.00 S

1.190 0.163 0.069 N/A 0.120 0.120 2.580 2.580 0.245 0.204 N/A 1.110 0.169 0.084 N/A 0.110 0.110 6.357 NA NA NA 0.351 0.153 0.180 N/A 1.350 0.317 0.808 N/A L08-12-09-T-R-S-00 4.00 S

3.9 0.24 ROOT good 1

0.10 L08-12-10-T-E-S-00 5.00 S

1.290 0.181 0.080 N/A 0.220 0.220 2.230 2.230 0.366 0.243 N/A 1.140 0.179 0.136 N/A 0.140 0.140 2.372 NA NA NA 0.121 0.132 0.213 U

1.720 0.609 0.899 N/A L08-12-10-T-E-S-00 5.00 S

1.1 0.10 EXCAVATION good 1

0.05 L08-12-11-T-E-S-00 5.00 S

1.510 0.199 0.074 N/A 0.440 0.440 0.733 0.733 0.112 0.235 N/A 1.380 0.220 0.096 N/A 0.380 0.380 2.144 NA NA NA 0.108 0.163 0.268 U

1.830 0.821 0.963 N/A L08-12-11-T-E-S-00 5.00 S

1.0 0.17 EXCAVATION good 1

0.04 L08-12-12-T-R-S-00 4.00 S

1.270 0.180 0.079 N/A 0.200 0.200 0.762 0.762 0.140 0.229 N/A 1.330 0.208 0.102 N/A 0.330 0.330 1.646 NA NA NA 0.084 0.137 0.252 U

1.280 0.561 0.864 N/A L08-12-12-T-R-S-00 4.00 S

1.1 0.30 ROOT good 1

0.13 L08-12-13-T-E-S-00 5.00 S

1.280 0.191 0.065 N/A 0.210 0.210 7.600 7.600 0.813 0.222 N/A 0.931 0.183 0.213 N/A

-0.069 0.000 4.065 NA NA NA 0.220 0.180 0.303 U

1.620 0.656 0.987 N/A L08-12-13-T-E-S-00 5.00 S

2.1 0.15 EXCAVATION good 1

0.07 L08-12-14-T-R-S-00 4.00 S

1.240 0.168 0.069 N/A 0.170 0.170 4.690 4.690 0.548 0.239 N/A 1.130 0.174 0.114 N/A 0.130 0.130 7.698 NA NA NA 0.424 0.123 0.166 N/A 1.960 0.597 0.862 N/A L08-12-14-T-R-S-00 4.00 S

3.3 0.35 ROOT good 1

0.12 L08-12-15-T-E-S-00 5.00 S

1.420 0.196 0.081 N/A 0.350 0.350 2.110 2.110 0.244 0.234 N/A 1.150 0.183 0.120 N/A 0.150 0.150 1.917 NA NA NA 0.104 0.141 0.241 U

0.738 0.293 0.840 U

L08-12-15-T-E-S-00 5.00 S

2.2 0.13 EXCAVATION good 1

0.05 L08-12-16-T-R-S-00 4.00 S

1.260 0.179 0.080 N/A 0.190 0.190 2.240 2.240 0.213 0.241 N/A 1.130 0.169 0.103 N/A 0.130 0.130 2.919 NA NA NA 0.157 0.151 0.238 U

1.310 0.551 0.846 N/A L08-12-16-T-R-S-00 4.00 S

1.9 0.25 ROOT good 1

0.12 L08-12-17-T-E-S-00 5.00 S

1.470 0.196 0.065 N/A 0.400 0.400 1.060 1.060 0.186 0.239 N/A 1.130 0.197 0.160 N/A 0.130 0.130 2.243 NA NA NA 0.122 0.115 0.180 U

0.809 0.305 0.860 U

L08-12-17-T-E-S-00 5.00 S

2.3 0.12 EXCAVATION good 1

0.05 L08-12-15-T-E-Q-00 5.00 Q

1.270 0.169 0.072 N/A 0.200 0.200 1.680 1.680 0.163 0.233 N/A 1.230 0.189 0.104 N/A 0.230 0.230 1.329 NA NA NA 0.066 0.160 0.253 U

1.240 0.668 0.835 N/A L08-12-15-T-E-Q-00 5.00 Q

0.9 0.11 EXCAVATION good 0.04 L08-12-21-T-R-Q-00 4.70 Q

0.838 0.129 0.059 N/A

-0.232 0.000 20.800 20.800 1.930 0.216 N/A 0.572 0.132 0.112 N/A

-0.428 0.000 18.295 NA NA NA 1.010 0.209 0.204 N/A 3.050 0.626 0.745 N/A L08-12-21-T-R-Q-00 4.70 Q

4.9 0.80 ROOT FLAG 0.11 L08-12-18-T-E-B-00 10.90 B

1.380 0.193 0.086 N/A 0.310 0.310 1.330 1.330 0.195 0.244 N/A 1.400 0.220 0.117 N/A 0.400 0.400 2.231 NA NA NA 0.120 0.180 0.283 U

0.986 0.385 1.040 U

L08-12-18-T-E-B-00 10.90 B

1.9 0.16 EXCAVATION good 0.05 L08-12-19-T-R-B-00 3.50 B

1.260 0.170 0.062 N/A 0.190 0.190 1.970 1.970 0.212 0.226 N/A 1.180 0.190 0.103 N/A 0.180 0.180 20.023 NA NA NA 1.070 0.239 0.246 N/A 1.380 0.582 0.893 N/A L08-12-19-T-R-B-00 3.50 B

10.8 0.36 ROOT good 0.12 L08-12-20-T-R-B-00 2.80 B

1.110 0.170 0.075 N/A 0.040 0.040 35.200 35.200 3.300 0.210 N/A 0.581 0.145 0.380 N/A

-0.419 0.000 75.402 NA NA NA 4.150 0.566 0.354 N/A 10.400 1.470 1.280 N/A L08-12-20-T-R-B-00 2.80 B

5.9 1.63 ROOT FLAG 0.27 L08-12-21-T-R-B-00 4.70 B

0.758 0.103 0.031 N/A

-0.312 0.000 23.300 23.300 2.220 0.200 N/A 0.452 0.077 0.045 N/A

-0.548 0.000 17.423 NA NA NA 0.962 0.175 0.149 N/A 3.030 0.541 0.593 N/A L08-12-21-T-R-B-00 4.70 B

4.8 0.88 ROOT FLAG 0.06 L08-12-22-T-R-B-00 3.40 B

0.874 0.126 0.059 N/A

-0.196 0.000 3.390 3.390 0.317 0.225 N/A 0.903 0.134 0.091 N/A

-0.097 0.000 15.569 NA NA NA 0.857 0.208 0.215 N/A 4.140 0.887 0.876 N/A L08-12-22-T-R-B-00 3.40 B

3.2 0.21 ROOT good 0.11 L08-12-23-T-R-B-00 2.90 B

0.918 0.131 0.063 N/A

-0.152 0.000 6.260 6.260 0.588 0.211 N/A 1.250 0.169 0.112 N/A 0.250 0.250 77.985 NA NA NA 4.270 0.515 0.263 N/A 8.950 1.420 1.210 N/A L08-12-23-T-R-B-00 2.90 B

7.0 0.78 ROOT FLAG 0.12 L08-12-24-T-E-B-00 5.50 B

1.260 0.172 0.073 N/A 0.190 0.190 3.000 3.000 0.309 0.229 N/A 1.110 0.174 0.121 N/A 0.110 0.110 190.639 NA NA NA 9.010 0.979 0.392 N/A 3.720 0.870 1.180 N/A L08-12-24-T-E-B-00 5.50 B

27.4 0.37 EXCAVATION good 0.05 L08-12-25-T-E-B-00 5.30 B

1.130 0.196 0.111 N/A 0.060 0.060 0.967 0.967 0.159 0.220 N/A 1.010 0.198 0.193 N/A 0.010 0.010 119.988 NA NA NA 5.630 0.670 0.335 N/A 2.210 0.572 1.290 N/A L08-12-25-T-E-B-00 5.30 B

28.4 0.19 EXCAVATION good 0.07 L08-12-26-T-R-B-00 3.60 B

0.941 0.132 0.060 N/A

-0.129 0.000 15.700 15.700 1.510 0.210 N/A 0.901 0.140 0.075 N/A

-0.099 0.000 4.484 NA NA NA 0.247 0.139 0.170 N/A 1.160 0.318 0.776 N/A L08-12-26-T-R-B-00 3.60 B

3.3 0.55 ROOT FLAG 0.09 L08-12-27-T-R-B-00 2.70 B

1.110 0.150 0.086 N/A 0.040 0.040 5.390 5.390 0.569 0.221 N/A 1.150 0.179 0.114 N/A 0.150 0.150 39.695 NA NA NA 2.180 0.326 0.247 N/A 5.010 0.890 1.030 N/A L08-12-27-T-R-B-00 2.70 B

6.4 0.50 ROOT FLAG 0.13 3.2 0.04 0.44 11 6

11 0

0.20 count tot 0.16 DP Sec. 14.1.5.2 0.11 Use number of stations (sample locations ) for divisor.

With ingrowth, use Ra226 bkg =

1.07 Th232 bkg =

1.0 Gross results in units of pCi/g

  • Background with ingrowth (1.07 pCi/g) subtracted from gross result New Step for column SOF:

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

L08-12-01-T-E-S-00 0.17 All uncertainty values are reported at the 2-sigma confidence level.

L08-12-02-T-E-S-00 0.16 L08-12-03-T-E-S-00 0.13 L08-12-04-T-R-S-00 0.36 L08-12-05-T-E-S-00 0.04 L08-12-06-T-E-S-00 0.07 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 L08-12-07-T-R-S-00 0.44 L08-12-08-T-E-S-00 0.14 L08-12-09-T-R-S-00 0.24 L08-12-10-T-E-S-00 0.10 L08-12-11-T-E-S-00 0.17 L08-12-12-T-R-S-00 0.30 L08-12-13-T-E-S-00 0.15 L08-12-14-T-R-S-00 0.35 L08-12-15-T-E-S-00 0.13 L08-12-16-T-R-S-00 0.25 L08-12-17-T-E-S-00 0.12 L08-12-15-T-E-Q-00 0.11 L08-12-21-T-R-Q-00 0.80 L08-12-18-T-E-B-00 0.16 L08-12-19-T-R-B-00 0.36 L08-12-20-T-R-B-00 1.63 L08-12-21-T-R-B-00 0.88 0.000 0.000 0.000 0.000 0.000 0.000 Sample ID Sample Start Depth (ft)

Type (Systematic, Bias, QC)

TestAmerica Analytical Results Step 8.3.2 Sample Depth (ft)

Type (Systematic, Bias, QC)

Root Stratum SOF Verification (unexcavated/not backfilled only) Step 8.4.4a.1 Ra-226 Tc-99 Th-232 Inferred U-234 U-235 U-238 Sample ID 0.658 Systematic Minimum 0.050 0.733 0.000 1.646 0.084 0.738 11.912 Systematic Median Systematic Maximum 0.440 7.600 0.380 Systematic Mean 0.229 2.736 0.185 4.751 0.210 2.240 0.140 4.065 0.220 1.350 0.434 0.171 2.270 Average Enrichmen t (%)

0.259 1.488 Step 8.3.3 Systematic Standard Deviation 0.105 1.786 0.120 3.051 0.11 0.58 0.96 Sum of Column SOF Step 8.4.2 NOTES:

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

HDP-PR-FSS-721 Final Status Survey Data Evaluation Steps 8.3 Preliminary Data Review and 8.4 Calculation of the Sum-of-Fractions (SOF)

LSA 08-12 FSSDE Worksheets_3-Layer Corrected 2-13-18.xlsx/Ingrowth Data Evaluation 03/19/2018 Page 3 of 15 Use corrected net results for all DE calcs 721 Sec. 8.4.2 Step 8.4.1 DCLGW, Measure Tc-99, All SEAs Surface Root Excavation U-238/U235 U-234/U235 U-234 Infer U-234 MDC using U-235 MDC

  • ratio of U-234:U-235 @ that sample's enrichment U-234 508.5 235.6 872.4 3.3 18.1 9.6 4.6 3.98 U-235 102.3 64.1 208.1 3.4 18.1 11.9 4.4 3.96 U-238 297.6 183.3 551.1 5.8 18.3 5.8 2.7 3.54 Tc-99 151 30.1 74 4.4 18.1 5.5 3.4 4.12 Th-232 4.7 2

5.2 13.5 19.4 1.8 1.2 4.73 Ra-226 5

2.1 5.4 5.2 18.2 4.1 3.0 3.57 4.8 18.2 7.7 3.2 3.82 6.3 18.3 3.1 2.5 5.51 3.8 18.1 6.4 3.9 3.26 14.2 19.6 2.4 1.1 4.17 16.9 19.9 2.1 1.0 5.32 Step 8.4.5b 15.2 19.6 1.6 1.1 4.94 weighted SOFMEAN 0.30 7.4 18.5 4.1 2.1 5.60 SS RS ES 4.6 18.2 7.7 3.3 3.01 fractions 0

0.545454545 1

7.1 18.4 1.9 2.2 4.44 8.3 18.6 2.9 1.9 4.43 6.6 18.4 2.2 2.3 3.31 Step 8.6 EMC Dose 18.8 20.2 1.3 0.9 5.10 0.14 3.0 18.1 18.3 4.9 3.70 8.2 18.6 2.2 1.9 5.26 Step 8.4.5e SOFMEAN Groundwater 1.3 18.7 20.0 10.8 4.60 0.16 2.5 18.2 75.4 5.9 6.43 3.1 18.1 17.4 4.8 2.70 4.8 18.2 15.6 3.2 3.91 Step 8.4.5g (<=1) 2.1 18.3 78.0 7.0 4.80 SOFMEAN, SU 0.60 PASS 0.4 21.2 190.6 27.4 8.29 0.4 21.3 120.0 28.4 7.14 4.7 18.2 4.5 3.3 3.09 2.3 18.2 39.7 6.4 4.50 Average Enrichment (%)

3.18 15.0 mrem Infer U234 Step 8.3.4 Step 8.4.6 Calculate the dose contribution for the SU by multiplying SOFMEAN,SU (including contribution from Re-use backfill and Groundwater) by 25 mrem.

HDP-PR-FSS-721 Final Status Survey Data Evaluation Steps 8.3 Preliminary Data Review and 8.4 Calculation of the Sum-of-Fractions (SOF)

LSA 08-12 FSSDE Worksheets_3-Layer Corrected 2-13-18.xlsx/Ingrowth Data Evaluation 03/19/2018 Page 4 of 15 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 0.240 1.500 0.330 5.498 0.303 1.340 0.290 1.920 0.370 7.685 0.423 2.050 0.120 2.580 0.110 6.357 0.351 1.350 0.200 0.762 0.330 1.646 0.084 1.280 0.170 4.690 0.130 7.698 0.424 1.960 0.190 2.240 0.130 2.919 0.157 1.310 0.202 2.282 0.233 5.300 0.290 1.548 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 0.28 3.34 0.28 9.6325 0.532 1.75 0.19 3.36 0.28 11.912 0.658 2.27 0.100 5.28 0.140 5.7517 0.315 1.82 0.05 1.4 0.04 1.7763 0.0916 1.24 0.140 2.26 0.040 4.0944 0.225 1.16 0.300 3.44 0.17 3.0587 0.167 1.05 0.220 2.23 0.140 2.3716 0.121 1.72 0.44 0.733 0.38 2.1441 0.108 1.83 0.210 7.6 0.000 4.0651 0.22 1.62 0.35 2.11 0.15 1.9167 0.104 0.738 0.4 1.06 0.13 2.2432 0.122 0.809 0.244 2.983 0.159 4.452 0.242 1.455

HDP-PR-FSS-721 Final Status Survey Data Evaluation Step 8.6 Investigations LSA 08-12 FSSDE Worksheets_3-Layer Corrected 2-13-18.xlsx/Step 8.6 Investigation 03/19/2018 age 5 of 15 Elevated Measurement Comparison SOF 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 L08-12-20-T-R-B-00 2.8 B

1.11 0.17 0.0745 N/A 0.04 0.04 35.2 35.2 3.3 0.21 N/A 0.581 0.145 0.38 N/A

-0.419 0

75.4 NA NA NA 4.15 0.566 0.354 N/A 10.4 1.47 1.28 N/A 1.63 With ingrowth, use Ra226 bkg =

1.07 Th232 bkg =

1.0 Gross results in units of pCi/g

  • Background with ingrowth (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.

DCGLEMC j

tj -j felev Ra-226 7.7563 0.229 0.04

-0.189

-0.024 Tc-99 273.82 2.736 35.20 32.464 0.119 Th-232 5.7649 0.185 0.00

-0.185

-0.032 U-234 2018 4.751 75.40 70.651 0.035 U-235 144.31 0.259 4.15 3.891 0.027 U-238 633.46 1.488 10.40 8.912 0.014 Step 8.6.7.f.3) fEMC =

0.138 Step 8.6.7.g.

Summed elevated radioactivity fractions for the SU =

0.14

= EMC SOF Step 8.6.7.h.

Total SOF for the SU =

0.60 PASS Step 8.6.7.i.

weighted SOFMEAN 0.30 SOFMEAN Re-use Backfill Material (used off-site BF) 0 SOFMEAN Groundwater 0.16 Sample ID Step 8.6.4 Sample Depth (ft)

Type (Systematic, Bias, QC)

TestAmerica Analytical Results Ra-226 Tc-99 Th-232 U-234 U-235 NOTES:

    • Background (1.0 pCi/g) subtracted from gross result Step 8.6.7.c.

Step 8.6.7.e.

"clean" systematic samples j U-238 Step 8.6.7.f.1)

Step 8.6.7.f.2)

HDP-PR-FSS-721 Final Status Survey Data Evaluation Step 8.6 Investigations LSA 08-12 FSSDE Worksheets_3-Layer Corrected 2-13-18.xlsx/Step 8.6 Investigation 03/19/2018 age 6 of 15 Step 8.6.6 Step 8.6.7b Need area from GIS.

113.1 m2 Confirm area Step 8.6.7.a. DCLGW, Root, Measure Tc-99, All SEAs Root U-234 235.6 U-235 64.1 U-238 183.3 Tc-99 30.1 Th-232 2

Ra-226 2.1 Step 8.6.7b Interpolated results:

Elevated Measurement Area (m2)

Radionuclide 153,375 10,000 3,000 1,000 300 100 30 10 3

1 113.1 U-234 1.0 1.2 1.3 1.3 4.0 9.3 19.6 34.3 70.5 132.8 8.6 U-235 1.0 1.1 1.1 1.1 1.9 2.5 3.3 4.7 9.6 20.5 2.3 U-238 1.0 1.1 1.3 1.3 2.5 3.6 5.0 7.2 14.9 31.6 3.5 Tc-99 1.0 1.0 1.0 1.0 3.4 10.3 34.3 102.9 342.7 1,027 9.1 Th-232 1.0 1.0 1.0 1.0 2.1 3.0 4.2 6.1 12.9 28.9 2.9 Ra-226 1.0 1.1 1.1 1.1 2.5 4.1 6.1 9.1 19.3 43.4 3.7 Step 8.6.7.e.

j = average concentration of systematic "clean" samples for each "elevated" nuclide (Use corrected net results.)

Step 8.6.7.f.1) j = average concentration of elevated sample(s) for each ROC Step 8.6.7.f.2) felev = elevated radioactivity fraction tj -j DCGLEMC Step 8.6.7.f.3)

Sum all felev (all ROCs in the elevated area) if applicable Step 8.6.7.g.

Sum all fEMC (all elevated areas in the SU) if applicable Step 8.6.7.h.

Sum Step 8.6.7.g. and Step 8.4.5.g. (SOFMEAN,SU use total SOF SU (including GW, BF, etc.)

Bounding samples:

Root Stratum

HDP-PR-FSS-721 Final Status Survey Data Evaluation Step 8.6.7b. Area Factor Interpolation LSA 08-12 FSSDE Worksheets_3-Layer Corrected 2-13-18.xlsx/AF Interpolation Step 8.6.7b 03/19/2018 Page 7 of 15 Enter the appropriate AF from tables in HDP-PR-FSS-721 Appendix E:

1. Choose appropriate stratum
2. Choose elevated ROC
3. Enter appropriate Elevated Measurement Areas (m2, Over and Under)
4. Enter area (m2) of elevated area to be Interpolated Area (m2)

AF Area (m2)

AF

5. Use Interpolated AF in Investigation worksheet Under 30 4.0 Under 100 3.9 Over 100 2.0 Over 300 2.4 Interpolated 40 3.39 Interpolated 113 3.7 Elevated Measurement Area (m2)

Area (m2)

AF Area (m2)

AF Radionuclide 153,375 10,000 3,000 1,000 300 100 30 10 3

1 Under 30 6.7 Under 100 10 U-234 1.0 1.5 2.2 2.6 7.8 19.3 41.7 67.3 96.0 119.5 Over 100 2.0 Over 300 3.4 U-235 1.0 1.1 1.2 1.2 1.3 1.5 1.8 2.6 5.4 12.1 Interpolated 40 5.02 Interpolated 113 9.1 U-238 1.0 1.2 1.5 1.6 2.2 2.6 3.4 4.9 10.2 22.3 Tc-99 1.0 1.0 1.0 1.0 3.4 10.3 34.2 102.2 338.5 1,009 Th-232 1.0 1.0 1.1 1.1 1.4 1.7 2.3 3.5 7.3 16.9 Area (m2)

AF Area (m2)

AF Ra-226 1.0 1.1 1.2 1.2 1.8 2.2 3.0 4.5 9.6 22.4 Under 30 3.0 Under 100 3.0 Over 100 1.9 Over 300 2.1 Interpolated 40 2.7 Interpolated 113 2.9 Elevated Measurement Area (m2)

Radionuclide 153,375 10,000 3,000 1,000 300 100 30 10 3

1 U-234 1.0 1.2 1.3 1.4 4.1 9.4 19.2 33.0 67.9 130.4 Area (m2)

AF Area (m2)

AF U-235 1.0 1.0 1.1 1.1 1.9 2.3 2.9 4.1 8.3 17.9 Under 30 6.7 Under 100 9.4 U-238 1.0 1.1 1.3 1.3 2.5 3.6 5.0 7.2 14.8 31.5 Over 100 2.0 Over 300 4.1 Tc-99 1.0 1.0 1.0 1.0 3.4 10.3 34.3 103.0 343.3 1,029 Interpolated 40 5.0 Interpolated 113 8.6 Th-232 1.0 1.0 1.0 1.0 2.1 3.0 4.2 6.0 12.8 28.4 Ra-226 1.0 1.0 1.1 1.1 2.4 3.9 5.8 8.7 18.5 41.6 Area (m2)

AF Area (m2)

AF Under 30 2.0 Under 100 2.3 Elevated Measurement Area (m2)

Over 100 1.3 Over 300 1.9 Radionuclide 148 100 30 10 3

1 Interpolated 40 1.8 Interpolated 113 2.3 U-234 1.0 2.0 6.7 19 35 65 U-235 1.0 1.3 2

2 4

7 U-238 1.0 1.9 3

4 7

13 Area (m2)

AF Area (m2)

AF Tc-99 1.0 2.0 6.7 20 67 200 Under 30 3.0 Under 100 3.6 Th-232 1.0 1.9 3

4 7

14 Over 100 1.9 Over 300 2.5 Ra-226 1.0 2.0 4

5 10 20 Interpolated 40 2.7 Interpolated 113 3.5 From HDP-PR-FSS-721, Appendix E Area Factors for Soil Contamination Surface Stratum Tc-99 Excavation Area Factors Tc-99 Root Area Factors U-235 Excavation Area Factors U-235 Root Area Factors Root Stratum U-234 Excavation Area Factors U-234 Root Area Factors The following equation is from "Decommissioning Health Physics: A Handbook for MARSSIM Users," p. 277, Abelquist, 2001, for interpolating Area Factors (AF) from the first existing AF under (smaller) than the desired area and the first existing AF over (larger) the desired area.

Ra-226 Excavation Area Factors Ra-226 Root Area Factors Th-232 Excavation Area Factors Th-232 Root Area Factors Excavation Stratum U-238 Excavation Area Factors U-238 Root Area Factors

(ln ln )(ln ln )

ln ln()

+ln()

HDP-PR-FSS-721 Final Status Survey Data Evaluation Step 8.6.7b. Area Factor Interpolation LSA 08-12 FSSDE Worksheets_3-Layer Corrected 2-13-18.xlsx/AF Interpolation Step 8.6.7b 03/19/2018 Page 8 of 15 Elevated Measurement Area (m2)

Radionuclide 153,375 10,000 3,000 1,000 300 100 30 10 3

1 Area (m2)

AF Area (m2)

AF U-234 1.0 1.2 1.3 1.3 4.0 9.3 19.6 34.3 70.5 132.8 Under 10 4.5 Under 10 9.1 U-235 1.0 1.1 1.1 1.1 1.9 2.5 3.3 4.7 9.6 20.5 Over 30 3.0 Over 30 6.1 U-238 1.0 1.1 1.3 1.3 2.5 3.6 5.0 7.2 14.9 31.6 Interpolated 13 4.08 Interpolated 26 6.4 Tc-99 1.0 1.0 1.0 1.0 3.4 10.3 34.3 102.9 342.7 1,027 Th-232 1.0 1.0 1.0 1.0 2.1 3.0 4.2 6.1 12.9 28.9 Ra-226 1.0 1.1 1.1 1.1 2.5 4.1 6.1 9.1 19.3 43.4 Area (m2)

AF Area (m2)

AF Under 10 102.2 Under 10 103 Over 30 34.2 Over 30 34.3 Interpolated 13 78.69 Interpolated 26 39.0 Area (m2)

AF Area (m2)

AF Under 10 3.5 Under 10 6.1 Over 30 2.3 Over 30 4.2 Interpolated 13 3.2 Interpolated 26 4.4 Change area if it is incorrect. Make sure "over" and "under" correlate for all six nuclides.

Area (m2)

AF Area (m2)

AF Under 10 67.3 Under 10 34.3 Over 30 41.7 Over 30 19.6 Interpolated 13 60.0 Interpolated 26 20.9 Area (m2)

AF Area (m2)

AF Under 10 2.6 Under 10 4.7 Over 30 1.8 Over 30 3.3 Interpolated 13 2.4 Interpolated 26 3.4 Area (m2)

AF Area (m2)

AF Under 10 4.9 Under 10 7.2 Over 30 3.4 Over 30 5.0 Interpolated 13 4.5 Interpolated 26 5.2 Uniform Stratum Ra-226 Surface Area Factors Ra-226 Uniform Area Factors U-235 Surface Area Factors U-235 Uniform Area Factors U-238 Surface Area Factors U-238 Uniform Area Factors Tc-99 Surface Area Factors Tc-99 Uniform Area Factors Th-232 Surface Area Factors Th-232 Uniform Area Factors U-234 Surface Area Factors U-234 Uniform Area Factors

HDP-PR-FSS-721 Final Status Survey Data Evaluation Step 8.5 Performance of Statistical Tests LSA 08-12 FSSDE Worksheets_3-Layer Corrected 2-13-18.xlsx/Step 8.5.3 WRS Test 03/19/2018 Page 9 of 15 SAMPLE ID AREA (Reference, Survey Unit)

Gross SOF (Xi,ref, Yi,SU) Step 8.5.3a ADJUSTED SOF (Zi) Step 8.5.3b RANKS Step 8.5.3d REFERENCE AREA RANKS 9574-SS-140910-01-01 Reference 1.13 2.130 41 41 9574-SS-140910-01-02 Reference 0.72 1.721 19 19 9574-SS-140910-01-03 Reference 0.97 1.970 28 28 9574-SS-140910-01-04 Reference 0.97 1.967 27 27 9574-SS-140910-01-05 Reference 0.95 1.952 25 25 9574-SS-140910-01-07 Reference 0.83 1.829 21 21 9574-SS-140910-01-08 Reference 0.99 1.987 31 31 9574-SS-140910-01-09 Reference 0.90 1.904 23 23 9574-SS-140910-01-10 Reference 1.14 2.144 42 42 9574-SS-140910-01-11 Reference 0.96 1.958 26 26 9574-SS-140910-01-12 Reference 1.16 2.160 44 44 9574-SS-140910-01-13 Reference 0.98 1.9826 30 30 9574-SS-140910-01-14 Reference 0.95 1.9513 24 24 9574-SS-140910-01-15 Reference 0.82 1.824 20 20 9574-SS-140910-01-16 Reference 1.17 2.171 45 45 9574-SS-140910-01-17 Reference 1.12 2.124 39 39 9574-SS-140910-01-18 Reference 1.24 2.241 47 47 9574-SS-140910-01-20 Reference 1.11 2.115 38 38 9574-SS-140910-01-21 Reference 1.01 2.009 33 33 9574-SS-140910-01-22 Reference 1.05 2.053 34 34 9574-SS-140910-01-23 Reference 1.23 2.234 46 46 9574-SS-140910-01-24 Reference 1.28 2.277 48 48 9574-SS-140910-01-25 Reference 1.09 2.091 36 36 9574-SS-140910-01-26 Reference 1.13 2.127 40 40 9574-SS-140910-01-27 Reference 1.16 2.160 43 43 9574-SS-140910-01-28 Reference 1.31 2.314 49 49 9574-SS-140910-01-29 Reference 1.00 1.999 32 32 9574-SS-140910-01-30 Reference 0.89 1.891 22 22 9574-SS-140910-01-31 Reference 1.06 2.064 35 35 9574-SS-140910-01-32 Reference 1.10 2.097 37 37 Step 8.5.1 9574-SS-140910-01-33 Reference 0.98 1.975 29 29 Min adjusted bkg SOF:

9574-SS-140910-01-34 Reference 0.41 1.411 14 14 1.41 Stratum L08-12-01-T-E-S-00 Survey Unit 1.45 1.453 17 0

Perform WRS test EXCAVATION L08-12-02-T-E-S-00 Survey Unit 1.42 1.425 15 0

Perform WRS test EXCAVATION L08-12-03-T-E-S-00 Survey Unit 1.34 1.342 9

0 No WRS test necessary EXCAVATION L08-12-04-T-R-S-00 Survey Unit 1.37 1.374 13 0

No WRS test necessary ROOT L08-12-05-T-E-S-00 Survey Unit 1.12 1.116 1

0 No WRS test necessary EXCAVATION L08-12-06-T-E-S-00 Survey Unit 1.20 1.198 2

0 No WRS test necessary EXCAVATION L08-12-07-T-R-S-00 Survey Unit 1.45 1.447 16 0

Perform WRS test ROOT L08-12-08-T-E-S-00 Survey Unit 1.37 1.373 12 0

No WRS test necessary EXCAVATION L08-12-09-T-R-S-00 Survey Unit 1.25 1.247 3

0 No WRS test necessary ROOT L08-12-10-T-E-S-00 Survey Unit 1.28 1.280 5

0 No WRS test necessary EXCAVATION L08-12-11-T-E-S-00 Survey Unit 1.45 1.454 18 0

Perform WRS test EXCAVATION L08-12-12-T-R-S-00 Survey Unit 1.31 1.310 6

0 No WRS test necessary ROOT L08-12-13-T-E-S-00 Survey Unit 1.36 1.357 10 0

No WRS test necessary EXCAVATION L08-12-14-T-R-S-00 Survey Unit 1.36 1.361 11 0

No WRS test necessary ROOT L08-12-15-T-E-S-00 Survey Unit 1.34 1.335 8

0 No WRS test necessary EXCAVATION L08-12-16-T-R-S-00 Survey Unit 1.26 1.261 4

0 No WRS test necessary ROOT L08-12-17-T-E-S-00 Survey Unit 1.32 1.316 7

0 No WRS test necessary EXCAVATION Rank Sums 1225 1068 Wr Step 8.5.3e

  1. Reference Area Measurements m

32

  1. Survey Unit Measurements n

17 Total Number of Measurements Step 8.5.3c N

49

) 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 879 TEST:

PASS Step 8.5.3f WRS TEST

HDP-PR-FSS-721 Final Status Survey Data Evaluation Performance of Statistical Tests LSA 08-12 FSSDE Worksheets_3-Layer Corrected 2-13-18.xlsx/Background data 03/19/2018 Page 10 of 15 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 Sample ID Ra-226 w/ 21-Day Ingrowth Th-232 U-234*

U-235*

SOF (pCi/g)

(pCi/g)

(pCi/g)

(pCi/g)

(pCi/g)

U-238*

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

U-235*

SOF (pCi/g)

(pCi/g)

(pCi/g)

(pCi/g)

(pCi/g)

U-238*

HDP-PR-FSS-701 Final Status Survey Plan Development Appendix P-1 Step 8. Calculate the Number of Samples in the Statistical Survey Population LSA 08-12 FSSDE Worksheets_3-Layer Corrected 2-13-18.xlsx/Retrospective Sample Size 03/19/2018 Page 11 of 15 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 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 11 Relative Shift (/)

6.27 MARSSIM Table 5.1 (Pr) 1.000000 N

12 DCGLSOF 1

LBGR (Mean) 0.30 Shift 0.70 DCGL Criteria Evaluation N/2 Value Verification Isotope(s)

SOF (Ra/Tc/Th/Iso U)

St. Dev.

0.11

Survey Unit No.:

Activity (xi)

MDC Activity (xi)

MDC L08-12-15-T-E-S-00 L08-12-15-T-E-Q-00 Ra-226 1.420 0.0805 1.270 0.072 1.345 5.4 0.150 0.764 1.145 N

L08-12-15-T-E-S-00 L08-12-15-T-E-Q-00 Tc-99 2.11 0.234 1.680 0.233 1.895 74 0.430 10.471 15.688 N

L08-12-15-T-E-S-00 L08-12-15-T-E-Q-00 Th-232 1.150 0.120 1.230 0.104 1.190 5.2 0.080 0.736 1.102 N

L08-12-15-T-E-S-00 L08-12-15-T-E-Q-00 U-2341 1.917 N/A 1.329 N/A 1.623 872.4 0.588 123.445 184.949 N

L08-12-15-T-E-S-00 L08-12-15-T-E-Q-00 U-235 0.104 0.241 0.066 0.253 0.085 208.1 NA 29.446 44.117 NA L08-12-15-T-E-S-00 L08-12-15-T-E-Q-00 U-238 0.738 0.84 1.240 0.835 0.989 551.1 NA 77.981 116.833 NA Comments:

1. U-234 is inferred, no MDC available.
2. Duplicate assessment is not necessary if the result of either sample is < MDC.

Performed by: Thomas Yardy Reviewed by: Clark Evers Date:

Date:

Quality Record FORM HDP-PR-FSS-703-1 Hematite Decommissioning Project Procedure: HDP-PR-FSS-703, Final Status Survey Quality Control Revision: 2 Page 1 of 1 Sample ID Field Duplicate Sample ID Radionuclide Sample (pCi/g)

Field Duplicate Sample (pCi/g)

FIELD DUPLICATE SAMPLE ASSESSMENT LSA 08-12 Survey Unit

Description:

Central Open Land Area Average Activity ( )

(pCi/g)

Nuclide DCGL (pCi/g)

Statistic2 Warning Limit Control Limit Statistic Exceeds Limit?

(Y/N)

Survey Unit No.:

Activity (xi)

MDC Activity (xi)

MDC L08-12-21-T-R-B-00 L08-12-21-T-R-Q-00 Ra-226 0.758 0.031 0.838 0.059 0.798 5.4 0.080 0.764 1.145 N

L08-12-21-T-R-B-00 L08-12-21-T-R-Q-00 Tc-99 23.3 0.2 20.800 0.216 22.050 74 2.500 10.471 15.688 N

L08-12-21-T-R-B-00 L08-12-21-T-R-Q-00 Th-232 0.452 0.045 0.572 0.112 0.512 5.2 0.120 0.736 1.102 N

L08-12-21-T-R-B-00 L08-12-21-T-R-Q-00 U-2341 17.423 N/A 18.295 N/A 17.859 872.4 0.873 123.445 184.949 N

L08-12-21-T-R-B-00 L08-12-21-T-R-Q-00 U-235 0.962 0.149 1.010 0.204 0.986 208.1 0.048 29.446 44.117 N

L08-12-21-T-R-B-00 L08-12-21-T-R-Q-00 U-238 3.03 0.593 3.050 0.745 3.040 551.1 0.020 77.981 116.833 N

Comments:

1. U-234 is inferred, no MDC available.
2. Duplicate assessment is not necessary if the result of either sample is < MDC.

Performed by: Thomas Yardy Reviewed by: Clark Evers Date:

Date:

Quality Record FIELD DUPLICATE SAMPLE ASSESSMENT LSA 08-12 Survey Unit

Description:

Central Open Land Area Sample ID Field Duplicate Sample ID Radionuclide Sample (pCi/g)

Field Duplicate Sample (pCi/g)

Average Activity ( )

(pCi/g)

Nuclide DCGL (pCi/g)

Statistic2 Warning Limit Control Limit Statistic Exceeds Limit?

(Y/N)

FORM HDP-PR-FSS-703-1 Hematite Decommissioning Project Procedure: HDP-PR-FSS-703, Final Status Survey Quality Control Revision: 2 Page 1 of 1

LSA 08-12 Sys SOF 0.2 0.2 0.1 0.4 0.0 0.1 0.4 0.1 0.2 0.1 0.2 0.3 0.2 0.4 0.1 0.3 0.1

v4.65.2 Last updated 26 April 2017 at 13:40 by W. Clark Evers Descriptives N

17

Mean 95% CI Mean SE SD Variance Skewness Kurtosis LSA 08-12 Sys SOF 0.20 0.14 to 0.25 0.027 0.11 0.01 0.8

-0.13

Minimum 1st quartile Median 95.1% CI 3rd quartile Maximum IQR LSA 08-12 Sys SOF 0.04 0.12 0.16 0.13 to 0.25 0.27 0.4 0.14 Distribution: LSA 08-12 Sys SOF SOFn Only A1:A18 0

1 2

3 4

5 6

7 8

9 0

0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

Frequency LSA 08-12 Sys SOF 0

0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

LSA 08-12 Sys SOF

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