ML18074A299

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Westinghouse Hematite Decommissioning Project - Final Status Survey Final Report Vol. 3, Chapter 21, Survey Area Release Record for Land Survey Area 08, Survey Units 09, 12 and 13, Rev. 1, LSA 08-13 Fssde Worksheets - 3-Layer
ML18074A299
Person / Time
Site: 07000036
Issue date: 03/06/2018
From:
Westinghouse
To:
Office of Nuclear Material Safety and Safeguards
Shared Package
ML18074A285 List:
References
HEM-18-6
Download: ML18074A299 (10)
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Text

Survey Area:

==

Description:==

Survey Unit:

==

Description:==

Survey Type:

Classification:

Surface or CSM Type Start Elevation End Elevation Deep S

428.1 427.6 Excavation 6-inch grab Deep S

429.3 428.8 Excavation 6-inch grab Deep S

427.2 426.7 Excavation 6-inch grab Deep S

427.1 426.6 Excavation 6-inch grab Deep S

430.8 430.3 Excavation 6-inch grab Deep S

427.7 427.2 Excavation 6-inch grab Deep S

427.5 427.1 Excavation 6-inch grab Deep S

429.3 428.8 Root S

433.2 430.1 Deep S

430.1 429.6 Deep S

425.9 425.4 Deep S

429.5 429.0 Deep Q

425.9 425.4 Deep B

429.5 429.0 Deep B

427.7 427.2 Deep B

425.7 425.2 Deep B

429.1 428.6 Deep B

430.8 430.3

  • 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 FSS Class 1 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 FSS SAMPLE & MEASUREMENT LOCATIONS & COORDINATES LSA 08 Technetium SEA Open Land Area 13 Central Open Land Area L08-13-07-T-E-S-00 864796 827463 L08-13-04-T-E-S-00 864830 827443 L08-13-05-T-E-S-00 864830 827482 Remarks / Notes L08-13-01-T-E-S-00 864864 827423 L08-13-06-T-E-S-00 864796 827423 L08-13-02-T-E-S-00 864864 827463 L08-13-03-T-E-S-00 864830 827403 Measurement or Sample ID Northing (Y Axis)

  • Easting (X Axis)
  • L08-13-08-T-E-S-00 864796 827502 Excavation 6-inch grab L08-13-09-T-R-S-00 864796 827542 Root 3.1-ft composite L08-13-10-T-E-S-00 864796 827542 Excavation 6-inch grab L08-13-11-T-E-S-00 864761 827443 Excavation 6-inch grab L08-13-12-T-E-S-00 864761 827482 Excavation 6-inch grab L08-13-11-T-E-Q-00 864761 827443 Excavation 6-inch grab L08-13-13-T-E-B-00 864753 827480 Sidewall Sample L08-13-14-T-E-B-00 864792 827420 Bias 6-inch grab L08-13-15-T-E-B-00 864744 827458 Bias 6-inch grab L08-13-16-T-E-B-00 864785 827505 Bias 6-inch grab Quality Record Green shaded samples are the samples at each sample location, for use in WRS test.

L08-13-17-T-E-B-00 864831 827475 Bias 6-inch grab

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 08-13 FSSDE Worksheets_3-Layer.xlsx/Ingrowth Data Evaluation 03/06/2018 Page 2 of 10 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 L08-13-01-T-E-S-00 7.30 S

1.170 0.159 0.061 N/A 0.100 0.100 26.200 26.200 3.500 0.235 N/A 1.040 0.155 0.120 N/A 0.040 0.040 1.902 NA NA NA 0.098 0.143 0.195 U

1.280 0.728 0.914 N/A L08-13-01-T-E-S-00 7.30 S

L08-13-02-T-E-S-00 6.10 S

1.120 0.167 0.073 N/A 0.050 0.050 7.420 7.420 0.852 0.206 N/A 1.080 0.184 0.133 N/A 0.080 0.080 2.289 NA NA NA 0.120 0.164 0.260 U

1.370 0.525 0.782 N/A L08-13-02-T-E-S-00 6.10 S

L08-13-03-T-E-S-00 8.10 S

1.160 0.158 0.066 N/A 0.090 0.090 9.910 9.910 1.200 0.227 N/A 0.938 0.157 0.128 N/A

-0.062 0.000 2.479 NA NA NA 0.130 0.152 0.259 U

1.460 0.579 0.877 N/A L08-13-03-T-E-S-00 8.10 S

L08-13-04-T-E-S-00 7.60 S

1.160 0.167 0.070 N/A 0.090 0.090 11.100 11.100 1.150 0.251 N/A 1.060 0.157 0.105 N/A 0.060 0.060 1.783 NA NA NA 0.088 0.122 0.251 U

1.540 0.724 0.907 N/A L08-13-04-T-E-S-00 7.60 S

L08-13-05-T-E-S-00 5.00 S

0.966 0.136 0.062 N/A

-0.104 0.000 27.600 27.600 2.680 0.228 N/A 0.935 0.142 0.081 N/A

-0.065 0.000 10.965 NA NA NA 0.604 0.141 0.177 N/A 2.780 0.579 0.719 N/A L08-13-05-T-E-S-00 5.00 S

L08-13-06-T-E-S-00 6.70 S

1.180 0.176 0.060 N/A 0.110 0.110 5.790 5.790 0.955 0.241 N/A 1.330 0.231 0.137 N/A 0.330 0.330 2.172 NA NA NA 0.113 0.155 0.289 U

1.350 0.647 1.000 N/A L08-13-06-T-E-S-00 6.70 S

L08-13-07-T-E-S-00 6.70 S

1.190 0.160 0.059 N/A 0.120 0.120 1.330 1.330 0.363 0.237 N/A 1.100 0.161 0.097 N/A 0.100 0.100 2.051 NA NA NA 0.111 0.138 0.251 U

0.823 0.303 0.864 U

L08-13-07-T-E-S-00 6.70 S

L08-13-08-T-E-S-00 5.00 S

0.536 0.117 0.141 N/A

-0.534 0.000 6.680 6.680 0.617 0.227 N/A 1.010 0.176 0.101 N/A 0.010 0.010 0.727 NA NA NA 0.035 0.081 0.210 U

0.865 0.289 0.736 N/A L08-13-08-T-E-S-00 5.00 S

L08-13-09-T-R-S-00 1.90 S

1.080 0.151 0.067 N/A 0.010 0.010 15.500 15.500 1.530 0.223 N/A 1.030 0.192 0.122 N/A 0.030 0.030 6.924 NA NA NA 0.382 0.140 0.174 N/A 1.100 0.325 0.877 N/A L08-13-09-T-R-S-00 1.90 S

L08-13-10-T-E-S-00 5.00 S

1.080 0.150 0.064 N/A 0.010 0.010 3.660 3.660 0.446 0.235 N/A 1.120 0.184 0.097 N/A 0.120 0.120 2.857 NA NA NA 0.155 0.143 0.181 U

1.080 0.603 0.795 N/A L08-13-10-T-E-S-00 5.00 S

L08-13-11-T-E-S-00 5.00 S

1.440 0.207 0.079 N/A 0.370 0.370 1.870 1.870 0.263 0.241 N/A 1.190 0.207 0.163 N/A 0.190 0.190 5.580 NA NA NA 0.308 0.211 0.253 N/A 1.220 0.412 1.000 N/A L08-13-11-T-E-S-00 5.00 S

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

1.150 0.164 0.069 N/A 0.080 0.080 10.000 10.000 1.070 0.234 N/A 1.080 0.167 0.106 N/A 0.080 0.080 3.126 NA NA NA 0.170 0.112 0.166 N/A 1.150 0.551 0.852 N/A L08-13-12-T-E-S-00 5.00 S

L08-13-11-T-E-Q-00 5.00 Q

1.240 0.168 0.069 N/A 0.170 0.170 1.250 1.250 0.125 0.236 N/A 1.270 0.202 0.119 N/A 0.270 0.270 3.188 NA NA NA 0.175 0.143 0.232 U

0.928 0.300 0.832 N/A L08-13-11-T-E-Q-00 5.00 Q

L08-13-13-T-E-B-00 5.60 B

1.130 0.155 0.059 N/A 0.060 0.060 1.430 1.430 0.151 0.235 N/A 1.300 0.186 0.077 N/A 0.300 0.300 2.938 NA NA NA 0.159 0.150 0.244 U

1.160 0.558 0.871 N/A L08-13-13-T-E-B-00 5.60 B

L08-13-14-T-E-B-00 7.40 B

1.190 0.162 0.061 N/A 0.120 0.120 3.480 3.480 0.326 0.239 N/A 1.100 0.169 0.113 N/A 0.100 0.100 49.229 NA NA NA 2.500 0.345 0.235 N/A 1.810 0.571 0.830 N/A L08-13-14-T-E-B-00 7.40 B

L08-13-15-T-E-B-00 9.40 B

1.180 0.176 0.074 N/A 0.110 0.110 6.230 6.230 0.728 0.236 N/A 1.150 0.199 0.156 N/A 0.150 0.150 6.519 NA NA NA 0.360 0.226 0.263 N/A 1.160 0.385 0.973 N/A L08-13-15-T-E-B-00 9.40 B

L08-13-16-T-E-B-00 6.00 B

1.270 0.181 0.074 N/A 0.200 0.200 8.110 8.110 0.767 0.254 N/A 1.050 0.169 0.131 N/A 0.050 0.050 4.400 NA NA NA 0.243 0.124 0.180 N/A 0.915 0.334 0.946 U

L08-13-16-T-E-B-00 6.00 B

L08-13-17-T-E-B-00 5.30 B

1.260 0.170 0.073 N/A 0.190 0.190 24.900 24.900 2.360 0.237 N/A 1.270 0.187 0.097 N/A 0.270 0.270 1.050 NA NA NA

-0.062 0.143 0.239 U

1.050 0.474 0.733 N/A L08-13-17-T-E-B-00 5.30 B

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.

L08-11-36-T-E-B-00 and L08-11-37-T-E-B-00 are sidewall samples.

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 Systematic Standard Deviation 0.100 8.615 0.095 2.890 Step 8.3.3 Step 8.4.2 NOTES:

    • Background (1.0 pCi/g) subtracted from gross result 0.085 8.665 0.070 2.384 0.125 1.250 0.505 0.162 2.780 Systematic Mean 0.086 10.588 0.087 3.571 0.193 1.335 Systematic Median Systematic Maximum 0.370 27.600 0.330 10.965 0.604 Systematic Minimum 0.000 1.330 0.000 0.727 0.035 0.823 Type (Systematic, Bias, QC)

Ra-226 Tc-99 Th-232 Inferred U-234 U-235 U-238 Sample ID Sample ID Sample Start Depth (ft)

Type (Systematic, Bias, QC)

TestAmerica Analytical Results Step 8.3.2 Sample Depth (ft)

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 08-13 FSSDE Worksheets_3-Layer.xlsx/Ingrowth Data Evaluation 03/06/2018 Page 3 of 10 Enr.

SOF Use corrected net results for all DE calcs 721 Sec. 8.4.2 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 1.2 0.39 EXCAVATION good 1

0.04 Step 8.4.1 DCLGW, Measure Tc-99, All SEAs 1.4 0.13 EXCAVATION good 1

0.05 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 1.4 0.16 EXCAVATION good 1

0.05 U-234 508.5 235.6 872.4 13.0 19.4 1.9 1.2 3.78 0.9 0.18 EXCAVATION good 1

0.05 U-235 102.3 64.1 208.1 11.4 19.1 2.3 1.4 4.96 3.3 0.39 EXCAVATION good 1

0.04 U-238 297.6 183.3 551.1 11.2 19.1 2.5 1.4 4.94 1.3 0.17 EXCAVATION good 1

0.05 Tc-99 151 30.1 74 17.4 20.2 1.8 0.9 5.06 2.1 0.06 EXCAVATION good 1

0.04 Th-232 4.7 2

5.2 4.6 18.2 11.0 3.3 3.21 0.7 0.09 EXCAVATION good 1

0.06 Ra-226 5

2.1 5.4 11.9 19.2 2.2 1.3 5.55 5.2 0.58 ROOT FLAG 1

0.12 7.4 18.5 2.1 2.1 4.64 2.2 0.08 EXCAVATION good 1

0.04 25.1 21.1 0.7 0.7 4.43 3.8 0.14 EXCAVATION good 1

0.06 2.9 18.1 6.9 5.2 3.15 2.3 0.17 EXCAVATION good 1

0.04 7.0 18.4 2.9 2.2 3.34 2.9 0.11 EXCAVATION good 0.05 4.0 18.1 5.6 3.8 4.58 2.1 0.09 EXCAVATION good 0.04 Step 8.4.5b 6.8 18.4 3.1 2.3 3.05 17.7 0.16 EXCAVATION good 0.04 weighted SOFMEAN 0.23 5.3 18.2 3.2 2.9 4.23 4.7 0.14 EXCAVATION good 0.06 SS RS ES 7.3 18.5 2.9 2.1 4.51 4.0 0.16 EXCAVATION good 0.05 fractions 0

0.090909091 1

0.7 19.7 49.2 17.7 4.63 0.7 0.43 EXCAVATION good 0.04 3.2 18.1 6.5 4.7 4.76 3.2 0.06 3.8 18.1 4.4 4.0 3.26 0.58 11 1

11 0

Step 8.4.5c SOFMEAN Re-use Backfill Material 0.0 0.0 1.1 0.7 0.00 0.21 count tot 0

Average Enrichment (%)

3.22 0.16 DP Sec. 14.1.5.2 0.16 Use number of stations (sample locations) for divisor.

Step 8.4.5e SOFMEAN Groundwater 0.16 Step 8.4.5g (<=1)

SOFMEAN, SU 0.39 PASS Grouted pipe dose to be added if applicable.

New Step for column SOF:

SOF L08-13-01-T-E-S-00 0.39 L08-13-02-T-E-S-00 0.13 L08-13-03-T-E-S-00 0.16 L08-13-04-T-E-S-00 0.18 L08-13-05-T-E-S-00 0.39 L08-13-06-T-E-S-00 0.17 L08-13-07-T-E-S-00 0.06 9.8 mrem L08-13-08-T-E-S-00 0.09 L08-13-09-T-R-S-00 0.58 L08-13-10-T-E-S-00 0.08 L08-13-11-T-E-S-00 0.14 L08-13-12-T-E-S-00 0.17 L08-13-11-T-E-Q-00 0.11 L08-13-13-T-E-B-00 0.09 L08-13-14-T-E-B-00 0.16 L08-13-15-T-E-B-00 0.14 L08-13-16-T-E-B-00 0.16 L08-13-17-T-E-B-00 0.43 0.66 Sum of Column SOF 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.

Average Enrichmen t (%)

Infer U234 Step 8.3.4 Root Stratum SOF Verification (unexcavated/not backfilled only) Step 8.4.4a.1

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 08-13 FSSDE Worksheets_3-Layer.xlsx/Ingrowth Data Evaluation 03/06/2018 Page 4 of 10 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 0.010 15.500 0.030 6.924 0.382 1.100 0.010 15.500 0.030 6.924 0.382 1.100 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 0.1 26.2 0.04 1.90235 0.0981 1.28 0.05 7.42 0.08 2.28858 0.12 1.37 0.090 9.91 0.000 2.47929 0.13 1.46 0.09 11.1 0.06 1.78266 0.0884 1.54 0

27.6 0

10.9655 0.604 2.78 0.110 5.79 0.330 2.17165 0.113 1.35 0.12 1.33 0.1 2.05104 0.111 0.823 0.000 6.68 0.01 0.72701 0.0345 0.865 0.010 3.66 0.120 2.85658 0.155 1.08 0.37 1.87 0.19 5.57959 0.308 1.22 0.080 10 0.080 3.12577 0.17 1.15 0.093 10.142 0.092 3.266 0.176 1.356

HDP-PR-FSS-721 Final Status Survey Data Evaluation Step 8.5 Performance of Statistical Tests LSA 08-13 FSSDE Worksheets_3-Layer.xlsx/Step 8.5.3 WRS Test 03/06/2018 Page 5 of 10 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 36 36 9574-SS-140910-01-02 Reference 0.72 1.721 12 12 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 19 19 9574-SS-140910-01-07 Reference 0.83 1.829 14 14 9574-SS-140910-01-08 Reference 0.99 1.987 26 26 9574-SS-140910-01-09 Reference 0.90 1.904 16 16 9574-SS-140910-01-10 Reference 1.14 2.144 37 37 9574-SS-140910-01-11 Reference 0.96 1.958 20 20 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 18 18 9574-SS-140910-01-15 Reference 0.82 1.824 13 13 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 15 15 9574-SS-140910-01-31 Reference 1.06 2.064 30 30 9574-SS-140910-01-32 Reference 1.10 2.097 32 32 Step 8.5.1 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 7

7 1.41 Stratum L08-13-01-T-E-S-00 Survey Unit 1.96 1.964 21 0

Perform WRS test EXCAVATION L08-13-02-T-E-S-00 Survey Unit 1.34 1.339 4

0 No WRS test necessary EXCAVATION L08-13-03-T-E-S-00 Survey Unit 1.37 1.371 5

0 No WRS test necessary EXCAVATION L08-13-04-T-E-S-00 Survey Unit 1.47 1.468 10 0

Perform WRS test EXCAVATION L08-13-05-T-E-S-00 Survey Unit 1.92 1.916 17 0

Perform WRS test EXCAVATION L08-13-06-T-E-S-00 Survey Unit 1.44 1.438 8

0 Perform WRS test EXCAVATION L08-13-07-T-E-S-00 Survey Unit 1.18 1.176 2

0 No WRS test necessary EXCAVATION L08-13-08-T-E-S-00 Survey Unit 0.99 0.991 1

0 No WRS test necessary EXCAVATION L08-13-09-T-R-S-00 Survey Unit 1.59 1.586 11 0

Perform WRS test ROOT L08-13-10-T-E-S-00 Survey Unit 1.22 1.216 3

0 No WRS test necessary EXCAVATION L08-13-11-T-E-S-00 Survey Unit 1.38 1.378 6

0 No WRS test necessary EXCAVATION L08-13-12-T-E-S-00 Survey Unit 1.44 1.442 9

0 Perform WRS test EXCAVATION Rank Sums 990 893 Wr Step 8.5.3e

  1. Reference Area Measurements m

32

  1. Survey Unit Measurements n

12 Total Number of Measurements Step 8.5.3c N

44

) 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 Step 8.5.3f WRS TEST

HDP-PR-FSS-721 Final Status Survey Data Evaluation Performance of Statistical Tests LSA 08-13 FSSDE Worksheets_3-Layer.xlsx/Background data 03/06/2018 Page 6 of 10 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 (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*

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

U-235*

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 08-13 FSSDE Worksheets_3-Layer.xlsx/Retrospective Sample Size 03/06/2018 Page 7 of 10 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 DCGL Criteria Evaluation N/2 Value Verification Isotope(s)

SOF (Ra/Tc/Th/Iso U)

St. Dev.

0.16 DCGLSOF 1

LBGR (Mean) 0.23 Shift 0.77 Relative Shift (/)

4.93 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 11

Survey Unit No.:

Activity (xi)

MDC Activity (xi)

MDC L08-13-11-T-E-S-00 L08-13-11-T-E-Q-00 Ra-226 1.440 0.0788 1.240 0.069 1.340 5.4 0.200 0.764 1.145 N

L08-13-11-T-E-S-00 L08-13-11-T-E-Q-00 Tc-99 1.87 0.241 1.250 0.236 1.560 74 0.620 10.471 15.688 N

L08-13-11-T-E-S-00 L08-13-11-T-E-Q-00 Th-232 1.190 0.163 1.270 0.119 1.230 5.2 0.080 0.736 1.102 N

L08-13-11-T-E-S-00 L08-13-11-T-E-Q-00 U-2341 5.580 N/A 3.188 N/A 4.384 872.4 2.392 123.445 184.949 N

L08-13-11-T-E-S-00 L08-13-11-T-E-Q-00 U-235 0.308 0.253 0.175 0.232 0.242 208.1 NA 29.446 44.117 NA L08-13-11-T-E-S-00 L08-13-11-T-E-Q-00 U-238 1.22 0.832 0.928 0.832 1.074 551.1 0.292 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 08-13 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)

Sample ID Field Duplicate Sample ID Radionuclide Sample (pCi/g)

Field Duplicate Sample (pCi/g)

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 08-13 Sys SOF 0.4 0.1 0.2 0.2 0.4 0.2 0.1 0.1 0.6 0.1 0.1 0.2

v4.65.2 Last updated 26 April 2017 at 13:55 by W. Clark Evers Descriptives N

12

Mean 95% CI Mean SE SD Variance Skewness Kurtosis LSA 08-13 Sys SOF 0.21 0.11 to 0.31 0.045 0.16 0.02 1.5 1.45

Minimum 1st quartile Median 96.14% CI 3rd quartile Maximum IQR LSA 08-13 Sys SOF 0.06 0.11 0.16 0.09 to 0.39 0.30 0.6 0.19 Distribution: LSA 08-13 Sys SOF SOFn Only A1:A13 0

1 2

3 4

5 6

7 0

0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

Frequency LSA 08-13 Sys SOF 0

0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

LSA 08-13 Sys SOF

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