ML18010A252

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Final Status Survey Final Report Volume 3, Chapter 6, Survey Area Release Record for Land Survey Area 10, Survey Unit 7, Appendix P-4
ML18010A252
Person / Time
Site: 07000036
Issue date: 12/13/2017
From:
Westinghouse
To:
Office of Nuclear Material Safety and Safeguards
Shared Package
ML18010A247 List: ... further results
References
HEM-17-72
Download: ML18010A252 (12)
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Text

Survey Area:

==

Description:==

Survey Unit:

==

Description:==

Survey Type:

Classification:

Surface or CSM Type Start Elevation*

End Elevation*

Uniform S

426.6 426.1 Uniform S

432.3 431.9 Uniform S

431.9 427.4 Uniform S

423.2 422.7 Uniform S

429.4 426.4 Uniform S

426.4 425.9 Uniform S

424.6 424.1 Uniform S

426.3 425.3 Uniform S

425.3 424.8 Uniform S

425.2 423.3 Uniform S

423.3 422.8 Uniform S

424.3 422.1 Uniform S

422.1 421.6 Uniform Q

431.9 427.4 Uniform B

422.0 421.5 Uniform B

421.5 421.0 Uniform B

422.0 421.5 Uniform I

422.0 421.5 Uniform I

422.0 421.5 Uniform I

422.0 421.5 Uniform I

422.0 421.5

  • 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 Investigation 6-inch grab 864980.1 827783.2 Biased 6-inch grab 864940.0 827740.3 Biased 6-inch grab L100701BUI04 864975.0 827783.9 Investigation 6-inch grab Quality Record Hematite Decommissioning Project Procedure: HDP-PR-FSS-701, Final Status Survey Plan Development Revision: 10 Appendix P-4 Page 1 of 1 APPENDIX P-4 FSS SAMPLE & MEASUREMENT LOCATIONS & COORDINATES L100709BRS00 827774.9 Excavation 6-inch grab 864985.0 827849.6 Excavation 6-inch grab 865028.1 827840.8 Root Zone Composite 864998.9 827807.9 864976.6 LSA 10 Burial Pits Open Land Area 07 South Eastern Survey Unit in "Area 9" Measurement or Sample ID Northing**

(Y Axis)

Easting**

(X Axis)

Remarks / Notes L100712BES00 864955.8 827816.7 Root Zone Composite 864955.8 827816.7 Excavation 6-inch grab Excavation 6-inch grab 864985.0 827849.6 Root Zone Composite L100702BES00 864940.5 827742.0 Excavation 6-inch grab FSS L100701BUI03 864972.9 827787.9 Investigation 6-inch grab L100703BSS00 L100704BRS00 L100704BRQ00 L100705BES00 L100706BRS00 L100707BES00 L100708BES00 L100701BUB00 L100715BUB00 L100716BUB00 L100701BUI01 L100701BUI02 L100710BES00 L100711BRS00 L100713BRS00 L100714BES00 864980.1 827783.2 Biased 6-inch grab 865028.1 Green shaded samples are the samples at each sample location, for use in WRS test.

Class 1 864926.6 827783.7 Surface 6-inch grab 864926.6 827783.7 Root Zone Composite 864926.6 827783.7 Root Zone Composite 864969.7 865014.1 827882.5 Excavation 6-inch grab 827840.8 Excavation 6-inch grab 865014.1 827882.5 Root Zone Composite 827785.0 Investigation 6-inch grab 864976.6 827788.9

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 10-07 FSSDE WorksheetsUniform_EMC.xlsx/Ingrowth Data Eval 01/09/2018 Page 2 of 12 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 L100702BES00 5.37 S

1.15 0.179 0.0883 NA 0.080 0.080

-0.0215 0.000 0.067 0.224 U

1.09 0.198 0.187 NA 0.090 0.090 2.327 NA NA NA 0.12 0.15 0.295 1.64 0.798 0.982 L100703BSS00 0.07 S

1.08 0.151 0.0643 NA 0.010 0.010 0.193 0.193 0.112 0.232 U

1.09 0.16 0.0831 NA 0.090 0.090 3.781 NA NA NA 0.204 0.146 0.184 1.56 0.652 0.833 L100704BRS00 0.50 S

1.05 0.143 0.0694 NA

-0.020 0.000

-0.0066 0.000 0.0104 0.214 U

1.11 0.167 0.117 NA 0.110 0.110 3.987 NA NA NA 0.22 0.154 0.196 U

0.907 0.317 0.778 L100705BES00 0.50 S

0.982 0.14 0.0951 NA

-0.088 0.000

-0.0315 0.000 0.0207 0.245 U

0.975 0.19 0.125 NA

-0.025 0.000 8.988 NA NA NA 0.496 0.148 0.217 U

2.03 0.813 0.936 L100706BRS00 7.51 S

1.31 0.192 0.0891 NA 0.240 0.240 0.0983 0.098 0.0622 0.218 U

1.26 0.207 0.0758 NA 0.260 0.260 2.464 NA NA NA 0.134 0.14 0.219 U

0.917 0.367 0.96 L100707BES00 2.02 S

1.53 0.237 0.121 NA 0.460 0.460 0.0398 0.040 0.0293 0.222 U

1.36 0.301 0.209 NA 0.360 0.360 2.679 NA NA NA 0.146 0.21 0.372 0.933 0.413 1.05 L100708BES00 5.00 S

1.01 0.151 0.0994 NA

-0.060 0.000

-0.0348 0.000 0.0582 0.232 U

1.14 0.188 0.0783 NA 0.140 0.140 2.450 NA NA NA 0.125 0.169 0.278 U

1.88 0.866 1.01 U

L100709BRS00 5.12 S

1.2 0.167 0.0803 NA 0.130 0.130

-0.0166 0.000 0.0691 0.224 U

1.34 0.196 0.0817 NA 0.340 0.340 0.208 NA NA NA 0.004 0.032 0.295 0.958 0.39 0.971 L100710BES00 4.04 S

1.28 0.188 0.0869 NA 0.210 0.210

-0.0149 0.000 0.0748 0.23 U

1.17 0.179 0.111 NA 0.170 0.170 1.701 NA NA NA 0.089 0.097 0.282 1.06 0.649 1.04 L100711BRS00 5.00 S

1.07 0.159 0.0682 NA 0.000 0.000

-0.0293 0.000 0.0503 0.222 U

1.07 0.193 0.111 NA 0.070 0.070 2.286 NA NA NA 0.125 0.132 0.212 U

0.744 0.321 0.801 U

L100712BES00 3.11 S

1.13 0.156 0.0711 NA 0.060 0.060

-0.0202 0.000 0.117 0.224 U

1.16 0.197 0.128 NA 0.160 0.160 2.669 NA NA NA 0.144 0.155 0.268 U

1.15 0.627 0.874 U

L100713BRS00 5.00 S

1.19 0.191 0.0958 NA 0.120 0.120

-0.0074 0.000 0.0755 0.23 U

1.15 0.197 0.176 NA 0.150 0.150 2.651 NA NA NA 0.139 0.151 0.246 U

1.64 0.863 1.07 L100714BES00 2.86 S

1.13 0.158 0.0666 NA 0.060 0.060 0.0213 0.021 0.0163 0.23 U

1.14 0.172 0.0954 NA 0.140 0.140 2.596 NA NA NA 0.137 0.147 0.261 U

1.41 0.696 0.879 U

L100704BRQ00 5.00 Q

1.16 0.178 0.0784 NA 0.090 0.090

-0.006 0.000 0.0388 0.213 U

1.08 0.195 0.169 NA 0.080 0.080 1.390 NA NA NA 0.073 0.166 0.294 U

0.806 0.398 1.26 L100701BUB00 5.00 B

1.38 0.195 0.089 NA 0.310 0.310

-0.028 0.000 0.0361 0.221 U

1.19 0.201 0.0951 NA 0.190 0.190 833.587 NA NA NA 31.8 3.17 0.568 U

3.27 1.14 1.87 L100715BUB00 5.50 B

1.21 0.167 0.0744 NA 0.140 0.140 0.0018 0.002 0.013 0.223 U

1.15 0.189 0.0908 NA 0.150 0.150 38.339 NA NA NA 1.87 0.297 0.232 U

0.971 0.414 0.985 U

L100716BUB00 5.00 B

1.16 0.156 0.0509 NA 0.090 0.090 0.013 0.013 0.0272 0.228 U

1.14 0.17 0.132 NA 0.140 0.140 2.995 NA NA NA 0.164 0.139 0.201 U

0.949 0.663 0.883 L100701BUI01 5.00 I

1.26 0.176 0.069 NA 0.190 0.190 0

0.000 0

0.226 U

1.18 0.187 0.0566 NA 0.180 0.180 3.898 NA NA NA 0.214 0.158 0.213 U

1.13 0.36 0.865 L100701BUI02 5.00 I

1.06 0.161 0.0757 NA

-0.010 0.000 0.0184 0.018 0.0628 0.23 U

1 0.167 0.169 N/A 0.000 0.000 2.537 NA NA NA 0.132 0.129 0.213 U

1.62 0.783 0.941 L100701BUI03 5.00 I

1.13 0.154 0.0649 NA 0.060 0.060 0.0317 0.032 0.0561 0.231 U

1.12 0.17 0.105 N/A 0.120 0.120 1.523 NA NA NA 0.076 0.146 0.229 1.36 0.634 0.821 U

L100701BUI04 5.00 I

1.21 0.181 0.0764 NA 0.140 0.140 0.0088 0.009 0.0219 0.226 U

1.17 0.202 0.121 N/A 0.170 0.170 1.307 NA NA NA 0.058 0.174 0.269 U

1.82 0.804 1

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: Result is less than the sample detection limit.

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

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 0.010 0.193 0.090 3.781 0.204 1.560 0.010 0.193 0.090 3.781 0.204 1.560 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 0.000 0.000 0.110 3.987 0.220 0.907 0.000 0.000 0.000 8.988 0.496 2.030 0.460 0.040 0.360 2.679 0.146 0.933 0.210 0.000 0.170 1.701 0.089 1.060 0.060 0.000 0.160 2.669 0.144 1.150 0.060 0.021 0.140 2.596 0.137 1.410 0.132 0.010 0.157 3.770 0.205 1.248 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 0.08 0

0.09 2.327 0.12 1.64 0.24 0.0983 0.26 2.4638 0.134 0.917 0

0 0.14 2.45 0.125 1.88 0.13 0

0.34 0.208 0.0045 0.958 0

0 0.07 2.2857 0.125 0.744 0.12 0

0.15 2.6509 0.139 1.64 0.095 0.016 0.175 2.064 0.108 1.297 Sample ID Sample Depth (ft)

Type (Systematic, Bias, QC)

TestAmerica Analytical Results Step 8.3.2 Ra-226 Tc-99 Th-232 Inferred U-234 U-235 Systematic Maximum 0.460 0.193 8.988 0.496 Systematic Standard Deviation 0.134 0.057 0.160 2.983 0.160 1.295 0.137 1.150 Systematic Minimum 0.000 0.000 0.000 0.208 0.004 0.744 U-238 0.360 Step 8.4.2 NOTES:

    • Background, 1.0 pCi/g subtracted from gross result.

2.020 Systematic Median 0.060 Systematic Mean 0.105 0.027 0.000 0.113 Step 8.3.3 2.030 0.420 0.104 0.140 2.596

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 10-07 FSSDE WorksheetsUniform_EMC.xlsx/Ingrowth Data Eval 01/09/2018 Page 3 of 12 Use corrected net results for all DE calcs 721 Sec. 8.4.2 Enr.

SOFN Step 8.4.3 Enrichment

(%)

SOFN 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 L100702BES00 5.37 S

1.2 0.11 EXCAVATION good 1

0.19 Step 8.4.1 DCLGW, Measure Tc-99, All SEAs L100703BSS00 0.07 S

2.0 0.09 SURFACE good 1

0.11 Uniform U-238/U235 U-234/U235 U-234 L100704BRS00 0.50 S

3.7 0.09 ROOT good 1

0.13 U-234 195.4 13.7 19.4 2.3 1.2 5.72 L100705BES00 0.50 S

3.7 0.07 ROOT good 1

0.15 U-235 51.6 7.6 18.5 3.8 2.0 3.41 L100706BRS00 7.51 S

2.3 0.28 EXCAVATION good 1

0.12 U-238 168.8 4.1 18.1 4.0 3.7 3.55 L100707BES00 2.02 S

2.4 0.45 ROOT good 1

0.23 Tc-99 25.1 4.1 18.1 9.0 3.7 3.93 L100708BES00 5.00 S

1.1 0.10 EXCAVATION good 1

0.14 Th-232 2.0 6.8 18.4 2.5 2.3 4.03 L100709BRS00 5.12 S

0.1 0.25 EXCAVATION good 1

0.17 Ra-226 1.9 6.4 18.3 2.7 2.4 6.83 L100710BES00 4.04 S

1.3 0.21 ROOT good 1

0.15 Step 8.4.5b 15.0 19.6 2.5 1.1 5.45 L100711BRS00 5.00 S

2.6 0.05 EXCAVATION good 1

0.13 weighted SOFMEAN 0.16 213.4 46.3 0.2 0.1 13.66 L100712BES00 3.11 S

2.0 0.13 ROOT good 1

0.15 SS RS ES 12.0 19.2 1.7 1.3 5.42 L100713BRS00 5.00 S

1.4 0.16 EXCAVATION good 1

0.18 fractions 0.076923077 0.461538462 0.461538 6.0 18.3 2.3 2.6 3.88 L100714BES00 2.86 S

1.5 0.13 ROOT good 1

0.13 8.0 18.5 2.7 2.0 4.97 L100704BRQ00 5.00 Q

1.4 0.10 good 0.18 11.8 19.1 2.7 1.4 4.69 L100701BUB00 5.00 B

59.9 5.16 good 0.20 10.3 18.9 2.6 1.5 4.95 L100715BUB00 5.50 B

23.1 0.39 good 0.13 11.1 19.1 1.4 1.4 5.61 L100716BUB00 5.00 B

2.7 0.14 good 0.13 Step 8.4.5c SOFMEAN Re-use Backfill Material 0.1 26.2 833.6 59.9 14.89 L100701BUI01 5.00 I

2.9 0.22 good 0.10 0

0.5 20.5 38.3 23.1 4.76 L100701BUI02 5.00 I

1.3 0.03 good 0.16 5.8 18.3 3.0 2.7 3.67 L100701BUI03 5.00 I

0.9 0.11 good 0.13 Step 8.4.5e SOFMEAN Groundwater 5.3 18.2 3.9 2.9 3.88 L100701BUI04 5.00 I

0.5 0.18 good 0.15 0.16 12.3 19.2 2.5 1.3 4.09 5.6 0.05 18.0 20.2 1.5 0.9 4.62 0.45 13 6

6 1

Step 8.6.7.g. EMC SOF 31.7 22.7 1.3 0.5 6.11 0.16 count tot 0.01 Average Enrichment (%)

5.62 0.13 0.11 Step 8.4.5g (<=1)

SOFMEAN, SU 0.33 PASS Infer U-234 MDC using U-235 MDC

  • ratio of U-234:U-235 @

that sample's enrichment Sample Depth (ft)

Type (Systematic, Bias, QC)

Root Stratum SOF Verification (unexcavated/not backfilled only) Step 8.4.4a.1 Sample ID 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 Enrichment

(%)

Infer U234 Step 8.3.4

HDP-PR-FSS-721 Final Status Survey Data Evaluation Step 8.6 Investigations LSA 10-07 FSSDE WorksheetsUniform_EMC.xlsx/Step 8.6 Investigation 01/09/2018 age 4 of 12 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 L100701BUB00 5.00 B

1.38 0.195 0.089 NA 0.31 0.31

-0.028 0

0.0361 0.22 U

1.19 0.201 0.095 NA 0.19 0.19 833.6 NA NA NA 31.8 3.17 0.568 U

3.27 1.14 1.87 5.16 L100715BUB00 5.50 B

1.21 0.167 0.0744 NA 0.14 0.14 0.0018 0.0018 0.013 0.22 U

1.15 0.189 0.091 NA 0.15 0.15 38.34 NA NA NA 1.87 0.297 0.232 U

0.971 0.414 0.985 U

0.39 L100701BUI01 5.00 I

1.26 0.176 0.069 NA 0.19 0.19 0

0 0

0.23 U

1.18 0.187 0.057 NA 0.18 0.18 3.898 NA NA NA 0.214 0.158 0.213 U

1.13 0.36 0.865 0

0.22 L100701BUI02 5.00 I

1.06 0.161 0.0757 NA

-0.01 0

0.0184 0.0184 0.0628 0.23 U

1 0.167 0.169 N/A 0

0 2.537 NA NA NA 0.132 0.129 0.213 U

1.62 0.783 0.941 0

0.03 L100701BUI03 5.00 I

1.13 0.154 0.0649 NA 0.06 0.06 0.0317 0.0317 0.0561 0.23 U

1.12 0.17 0.105 N/A 0.12 0.12 1.523 NA NA NA 0.076 0.146 0.229 0

1.36 0.634 0.821 U

0.11 L100701BUI04 5.00 I

1.21 0.181 0.0764 NA 0.14 0.14 0.0088 0.0088 0.0219 0.23 U

1.17 0.202 0.121 N/A 0.17 0.17 1.307 NA NA NA 0.058 0.174 0.269 U

1.82 0.804 1

0 0.18 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 82.46 0.105 0.14 0.035 0.000 Tc-99 25778 0.027 0.01

-0.017 0.000 Th-232 57.8 0.160 0.14

-0.025 0.000 U-234 25949 2.983 146.87 143.882 0.006 U-235 1057.8 0.160 5.69 5.531 0.005 U-238 5334.1 1.295 1.70 0.401 0.000 Step 8.6.7.f.3) fEMC =

0.01 Step 8.6.7.g.

Summed elevated radioactivity fractions for the SU =

0.01

= EMC SOF Step 8.6.7.h.

Total SOF for the SU =

0.33 PASS Step 8.6.7.i.

weighted SOFMEAN 0.16 SOFMEAN Re-use Backfill Material (used off-site BF) 0 SOFMEAN Groundwater 0.16 Step 8.6.7.c.

Step 8.6.7.e.

Step 8.6.7.f.1)

Step 8.6.7.f.2)

"clean" systematic samples j NOTES:

    • Background (1.0 pCi/g) subtracted from gross result 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 U-238

HDP-PR-FSS-721 Final Status Survey Data Evaluation Step 8.6 Investigations LSA 10-07 FSSDE WorksheetsUniform_EMC.xlsx/Step 8.6 Investigation 01/09/2018 age 5 of 12 Step 8.6.6 Step 8.6.7b Need area from GIS.

1 m2 Confirm area Step 8.6.7.a. DCLGW, Uniform, Measure Tc-99, All SEAs Uniform U-234 195.4 U-235 51.6 U-238 168.8 Tc-99 25.1 Th-232 2.0 Ra-226 1.9 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 1

U-234 1.0 1.2 1.3 1.3 4.0 9.3 19.6 34.3 70.5 132.8 132.8 U-235 1.0 1.1 1.1 1.1 1.9 2.5 3.3 4.7 9.6 20.5 20.5 U-238 1.0 1.1 1.3 1.3 2.5 3.6 5.0 7.2 14.9 31.6 31.6 Tc-99 1.0 1.0 1.0 1.0 3.4 10.3 34.3 102.9 342.7 1,027 1027.0 Th-232 1.0 1.0 1.0 1.0 2.1 3.0 4.2 6.1 12.9 28.9 28.9 Ra-226 1.0 1.1 1.1 1.1 2.5 4.1 6.1 9.1 19.3 43.4 43.4 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.)

Uniform Stratum Bounding samples:

HDP-PR-FSS-721 Final Status Survey Data Evaluation Step 8.6.7b. Area Factor Interpolation LSA 10-07 FSSDE WorksheetsUniform_EMC.xlsx/AF Interpolation Step 8.6.7b 01/09/2018 Page 6 of 12 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 10 5.0 Under 100 3.9 Over 30 4.0 Over 300 2.4 Interpolated 13 4.74 Interpolated 130 3.5 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 10 20.0 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 30 6.7 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 13 15.40 Interpolated 153 6.7 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 10 4.0 Under 100 3.0 Over 30 3.0 Over 300 2.1 Interpolated 13 3.7 Interpolated 130 2.8 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 10 19.0 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 30 6.7 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 13 14.8 Interpolated 130 7.7 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 10 2.0 Under 100 2.3 Elevated Measurement Area (m2)

Over 30 2.0 Over 300 1.9 Radionuclide 148 100 30 10 3

1 Interpolated 13 2.0 Interpolated 130 2.2 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 10 4.0 Under 100 3.6 Th-232 1.0 1.9 3

4 7

14 Over 30 3.0 Over 300 2.5 Ra-226 1.0 2.0 4

5 10 20 Interpolated 13 3.7 Interpolated 130 3.3 Excavation Stratum U-238 Excavation Area Factors U-238 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 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

(ln ln )(ln ln )

ln ln()

+ln()

HDP-PR-FSS-721 Final Status Survey Data Evaluation Step 8.6.7b. Area Factor Interpolation LSA 10-07 FSSDE WorksheetsUniform_EMC.xlsx/AF Interpolation Step 8.6.7b 01/09/2018 Page 7 of 12 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 1

43.4 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 3

19.3 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 1

43.4 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 1

1027 Over 30 34.2 Over 3

342.7 Interpolated 13 78.69 Interpolated 1

1027.0 Area (m2)

AF Area (m2)

AF Under 10 3.5 Under 1

28.9 Over 30 2.3 Over 3

12.9 Interpolated 13 3.2 Interpolated 1

28.9 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 1

132.8 Over 30 41.7 Over 3

70.5 Interpolated 13 60.0 Interpolated 1

132.8 Area (m2)

AF Area (m2)

AF Under 10 2.6 Under 1

20.5 Over 30 1.8 Over 3

9.6 Interpolated 13 2.4 Interpolated 1

20.5 Area (m2)

AF Area (m2)

AF Under 10 4.9 Under 1

31.6 Over 30 3.4 Over 3

14.9 Interpolated 13 4.5 Interpolated 1

31.6 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 Uniform Stratum Ra-226 Surface Area Factors Ra-226 Uniform Area Factors

HDP-PR-FSS-721 Final Status Survey Data Evaluation Step 8.5 Performance of Statistical Tests LSA 10-07 FSSDE WorksheetsUniform_EMC.xlsx/Step 8.5.3 WRS Test 01/09/2018 Page 8 of 12 SAMPLE ID AREA (Reference, Survey Unit)

Gross SOF (Xi,ref, Yi,SU,gross) 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 1.19 2.188 37 37 9574-SS-140910-01-02 Reference 0.76 1.757 15 15 9574-SS-140910-01-03 Reference 1.02 2.023 24 24 9574-SS-140910-01-04 Reference 1.02 2.018 23 23 9574-SS-140910-01-05 Reference 1.00 2.002 20 20 9574-SS-140910-01-07 Reference 0.87 1.873 17 17 9574-SS-140910-01-08 Reference 1.04 2.040 27 27 9574-SS-140910-01-09 Reference 0.96 1.959 19 19 9574-SS-140910-01-10 Reference 1.20 2.204 38 38 9574-SS-140910-01-11 Reference 1.01 2.007 22 22 9574-SS-140910-01-12 Reference 1.22 2.223 39 39 9574-SS-140910-01-13 Reference 1.03 2.035 26 26 9574-SS-140910-01-14 Reference 1.00 2.005 21 21 9574-SS-140910-01-15 Reference 0.86 1.865 16 16 9574-SS-140910-01-16 Reference 1.24 2.238 41 41 9574-SS-140910-01-17 Reference 1.19 2.185 36 36 9574-SS-140910-01-18 Reference 1.31 2.310 43 43 9574-SS-140910-01-20 Reference 1.18 2.179 34 34 9574-SS-140910-01-21 Reference 1.06 2.064 29 29 9574-SS-140910-01-22 Reference 1.10 2.101 30 30 9574-SS-140910-01-23 Reference 1.29 2.293 42 42 9574-SS-140910-01-24 Reference 1.34 2.339 44 44 9574-SS-140910-01-25 Reference 1.15 2.154 33 33 9574-SS-140910-01-26 Reference 1.18 2.182 35 35 9574-SS-140910-01-27 Reference 1.23 2.227 40 40 9574-SS-140910-01-28 Reference 1.38 2.380 45 45 9574-SS-140910-01-29 Reference 1.05 2.055 28 28 9574-SS-140910-01-30 Reference 0.94 1.941 18 18 9574-SS-140910-01-31 Reference 1.12 2.119 31 31 9574-SS-140910-01-32 Reference 1.15 2.152 32 32 9574-SS-140910-01-33 Reference 1.03 2.028 25 25 Min adjusted bkg SOF:

9574-SS-140910-01-34 Reference 0.44 1.443 13 13 1.44 L100702BES00 Survey Unit 1.17 1.174 6

0 No WRS test necessary L100703BSS00 Survey Unit 1.15 1.154 5

0 No WRS test necessary L100704BRS00 Survey Unit 1.14 1.138 4

0 No WRS test necessary L100705BES00 Survey Unit 1.07 1.072 1

0 No WRS test necessary L100706BRS00 Survey Unit 1.34 1.344 12 0

No WRS test necessary L100707BES00 Survey Unit 1.51 1.509 14 0

Perform WRS test L100708BES00 Survey Unit 1.13 1.128 3

0 No WRS test necessary L100709BRS00 Survey Unit 1.31 1.308 11 0

No WRS test necessary L100710BES00 Survey Unit 1.28 1.275 10 0

No WRS test necessary L100711BRS00 Survey Unit 1.12 1.117 2

0 No WRS test necessary L100712BES00 Survey Unit 1.20 1.198 8

0 No WRS test necessary L100713BRS00 Survey Unit 1.23 1.227 9

0 No WRS test necessary L100714BES00 Survey Unit 1.19 1.190 7

0 No WRS test necessary Rank Sums 1035 943 Wr Step 8.5.3e

  1. Reference Area Measurements m

32

  1. Survey Unit Measurements n

13 Total Number of Measurements Step 8.5.3c N

45

) 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 802 TEST:

PASS Step 8.5.3f WRS TEST

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 10-07 FSSDE WorksheetsUniform_EMC.xlsx/Retrospective Sample Size 01/09/2018 Page 9 of 12 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 Uniform DCGL Criteria Evaluation N/2 Value Verification Isotope(s)

SOF (Ra/Tc/Th/Iso U)

St. Dev.

0.11 DCGLSOF 1

LBGR (Mean) 0.16 Shift 0.84 Verification Check SUFFICIENT MEASUREMENTS "N/2" Corresponds to the number of survey unit measurement locations required for the WRS Test Relative Shift (/)

7.63 MARSSIM Table 5.1 (Pr) 1.000000 N

12 N + 20%

14.4 N/2 8

FSS N/2 8

Survey Unit No.:

Activity (xi)

MDC Activity (xi)

MDC L100704BRS00 L100704BRQ00 Ra-226 1.05 0.0694 1.16 0.0784 1.105 1.9 0.11 0.269 0.403 N

L100704BRS00 L100704BRQ00 Tc-99

-0.00664 0.214

-0.00597 0.213

-0.006305 25.1 NA 3.552 5.321 NA L100704BRS00 L100704BRQ00 Th-232 1.11 0.169 1.08 0.169 1.095 2.0 0.030 0.283 0.424 N

L100704BRS00 L100704BRQ00 U-2341 3.987 N/A 1.390 N/A 2.688 195.4 2.596 27.649 41.425 N

L100704BRS00 L100704BRQ00 U-235 0.22 0.196 0.0729 0.294 0.146 51.6 NA 7.301 10.939 NA L100704BRS00 L100704BRQ00 U-238 0.907 0.778 0.806 1.26 0.8565 168.8 NA 23.885 35.786 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:

Reviewed by:

Date:

Date:

Quality Record Survey Unit

Description:

LSA 10-07 Burial Pits Open Land Area South Eastern Survey Unit in "Area 9" FORM HDP-PR-FSS-703-1 FIELD DUPLICATE SAMPLE ASSESSMENT Statistic2 Warning Limit Control Limit Statistic Exceeds Limit?

(Y/N)

Average Activity ( )

(pCi/g)

Nuclide DCGL (pCi/g)

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

Field Duplicate Sample (pCi/g)

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

LSA 10-07 Sys SOF 0.1 0.1 0.1 0.1 0.3 0.4 0.1 0.2 0.2 0.1 0.1 0.2 0.1

v4.65.2 Last updated 9 January 2017 at 14:21 by W. Clark Evers Descriptives N

13

Mean 95% CI Mean SE SD Variance Skewness Kurtosis LSA 10-07 Sys SOF 0.16 0.10 to 0.23 0.030 0.11 0.01 1.6 2.70

Minimum 1st quartile Median 97.75% CI 3rd quartile Maximum IQR LSA 10-07 Sys SOF 0.1 0.09 0.13 0.09 to 0.25 0.22 0.4 0.13 Distribution: LSA 10-07 Sys SOF SOFn Only A1:A14 0

1 2

3 4

5 0

0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

Frequency LSA 10-07 Sys SOF 0

0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

LSA 10-07 Sys SOF

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