ML18010A251

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Final Status Survey Final Report Volume 3, Chapter 6, Survey Area Release Record for Land Survey Area 10, Survey Unit 6, Appendix P-4
ML18010A251
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: ML18010A251 (8)
v • d • e


Text

Survey Area:

==

Description:==

Survey Unit:

==

Description:==

Survey Type:

Classification:

Surface or CSM Type Start Elevation*

End Elevation*

Uniform S

423.339 422.8 Uniform S

422.534 422.0 Uniform S

421.09 420.6 Uniform S

420.315 419.8 Uniform Q

424.134 423.6 Uniform S

424.134 423.5 Uniform S

423.5 423.0 Uniform S

422.343 421.8 Uniform S

420.05 419.6 Uniform S

422.373 421.9 Uniform B

418.0 417.5 Uniform B

422.0 421.5 Uniform B

418.0 417.5

  • 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 DCGLs used Type: Systematic = S, Biased = B; QC =Q; Investigation = I Biased 6-inch grab Biased 6-inch grab Excavation 6-inch grab Root 6-inch grab Root 6-inch grab Excavation 6-inch grab Excavation 6-inch grab Excavation 6-inch grab Excavation 6-inch grab Biased 6-inch grab L100612BUB00 865027.1 827789.4 L100609BES00 864993.3 827732.6 L100610BUB00 865069.0 827698.2 L100611BUB00 865011.1 827715.5 827825.4 L100606BES00 865038.4 827825.4 L100607BES00 865031.0 827722.5 L100605BRS00 865038.4 L100608BES00 865020.9 827760.2 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 Measurement or Sample ID Northing**

(Y Axis)

Easting**

(X Axis)

Remarks / Notes L100601BES00 865078.8 827674.7 Excavation 6-inch grab FSS SAMPLE & MEASUREMENT LOCATIONS & COORDINATES LSA 10 Burial Pits Open Land Area 06 South Eastern Survey Unit in "Area 9" FSS Class 1 L100602BES00 865068.7 827712.4 Excavation 6-inch grab L100603BES00 865058.6 827750.1 Excavation 6-inch grab L100604BES00 865048.5 827787.7 L100605BRQ00 865038.4 827825.4 Green shaded samples are the samples at each sample location, for use in WRS test.

Quality Record

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 10-06 FSSDE Worksheets Uniform.xlsx/Ingrowth Data Eval 01/09/2018 Page 2 of 8 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 L100601BES00 5.51 S

1.260 0.188 0.086 N/A 0.190 0.190 0.047 0.047 0.075 0.220 U

1.040 0.189 0.184 N/A 0.040 0.040 2.754 NA NA NA 0.142 0.160 0.278 U

1.840 0.861 1.010 N/A L100602BES00 5.56 S

1.030 0.147 0.070 N/A

-0.040 0.000 0.013 0.013 0.128 0.227 U

1.060 0.153 0.113 N/A 0.060 0.060 3.028 NA NA NA 0.165 0.130 0.171 U

1.060 0.342 0.813 N/A L100603BES00 6.17 S

1.220 0.187 0.088 N/A 0.150 0.150 0.011 0.011 0.081 0.225 U

1.040 0.236 0.145 N/A 0.040 0.040 6.977 NA NA NA 0.385 0.183 0.227 N/A 1.580 0.432 1.010 N/A L100604BES00 7.45 S

1.170 0.178 0.076 N/A 0.100 0.100

-0.003 0.000 0.076 0.248 U

1.090 0.176 0.134 N/A 0.090 0.090 2.094 NA NA NA 0.108 0.147 0.249 U

1.480 0.740 0.936 N/A L100605BRS00 4.38 S

1.070 0.162 0.093 N/A 0.000 0.000 0.083 0.083 0.095 0.224 U

1.070 0.186 0.187 N/A 0.070 0.070 2.849 NA NA NA 0.152 0.150 0.196 U

1.430 0.869 1.040 N/A L100606BES00 5.00 S

1.120 0.156 0.065 N/A 0.050 0.050 0.057 0.057 0.042 0.222 U

1.090 0.154 0.082 N/A 0.090 0.090 1.705 NA NA NA 0.088 0.116 0.186 U

1.220 0.680 0.874 N/A L100607BES00 7.24 S

1.170 0.184 0.092 N/A 0.100 0.100 0.024 0.024 0.052 0.224 U

1.200 0.193 0.137 N/A 0.200 0.200 2.194 NA NA NA 0.118 0.191 0.301 U

1.000 0.410 1.090 U

L100608BES00 9.01 S

1.080 0.151 0.064 N/A 0.010 0.010

-0.004 0.000 0.042 0.238 U

1.110 0.187 0.113 N/A 0.110 0.110 2.242 NA NA NA 0.121 0.154 0.240 U

0.949 0.353 0.949 N/A L100609BES00 8.38 S

1.110 0.164 0.085 N/A 0.040 0.040

-0.041 0.000 0.099 0.270 U

1.070 0.187 0.116 N/A 0.070 0.070 2.562 NA NA NA 0.139 0.157 0.257 U

0.981 0.395 0.985 U

L100605BRQ00 4.38 Q

1.150 0.164 0.061 N/A 0.080 0.080

-0.018 0.000 0.036 0.231 U

1.140 0.190 0.135 N/A 0.140 0.140 0.675 NA NA NA 0.030 0.150 0.254 U

0.960 0.328 0.807 N/A L100610BUB00 7.50 B

1.050 0.155 0.068 N/A

-0.020 0.000

-0.005 0.000 0.057 0.229 U

1.260 0.188 0.139 N/A 0.260 0.260 2.273 NA NA NA 0.123 0.161 0.244 U

0.924 0.326 0.807 N/A L100611BUB00 5.50 B

1.130 0.165 0.065 N/A 0.060 0.060 0.013 0.013 0.018 0.221 U

1.030 0.205 0.137 N/A 0.030 0.030 16.094 NA NA NA 0.889 0.271 0.265 N/A 3.010 0.940 1.060 N/A L100612BUB00 7.50 B

0.997 0.143 0.066 N/A

-0.073 0.000 0.009 0.009 0.062 0.224 U

1.080 0.174 0.119 N/A 0.080 0.080 2.681 NA NA NA 0.143 0.136 0.221 U

1.340 0.709 0.886 N/A 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.
    • Background (1.0 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 0.000 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 0.000 0.083 0.070 2.849 0.152 1.430 0.000 0.083 0.070 2.849 0.152 1.430 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 0.19 0.0474 0.04 2.7536 0.142 1.84 0

0.0129 0.06 3.0276 0.165 1.06 0.15 0.0112 0.04 6.9765 0.385 1.58 0.1 0

0.09 2.0943 0.108 1.48 0.05 0.0568 0.09 1.7045 0.0879 1.22 0.1 0.0235 0.2 2.1942 0.118 1

0.01 0

0.11 2.2424 0.121 0.949 0.04 0

0.07 2.5617 0.139 0.981 0.080 0.019 0.088 2.944 0.158 1.264 Systematic Median 0.050 Step 8.4.2 NOTES:

0.222 0.315 Step 8.3.3 Systematic Standard Deviation 0.068 0.026 0.049 16.094 0.385 1.572 0.158 1.282 Systematic Minimum 0.000 0.000 0.040 1.705 0.088 0.949 Systematic Maximum Systematic Mean 0.071 0.020 0.086 2.934 3.010 0.013 0.070 2.562 0.139 1.220 0.190 0.083 0.200 Ra-226 Tc-99 Th-232 Inferred U-234 U-235 U-238 Evaluate Final Status Survey Data: LSA-10-06 Sample ID Sample Depth (ft)

Type (Systematic, Bias, QC)

TestAmerica Analytical Results Step 8.3.2

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 10-06 FSSDE Worksheets Uniform.xlsx/Ingrowth Data Eval 01/09/2018 Page 3 of 8 Use corrected net results for all DE calcs 721 Sec. 8.4.2 Enr.

SOF 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 L100601BES00 5.51 S

1.2 0.15 EXCAVATION good 1

0.19 Step 8.4.1 DCLGW, Measure Tc-99, All SEAs L100602BES00 5.56 S

2.4 0.06 EXCAVATION good 1

0.13 Uniform 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 L100603BES00 6.17 S

3.7 0.15 EXCAVATION good 1

0.16 U-234 195.4 13.0 19.4 2.8 1.2 5.390948 L100604BES00 7.45 S

1.2 0.12 EXCAVATION good 1

0.15 U-235 51.6 6.4 18.3 3.0 2.4 3.137689 L100605BRS00 4.38 S

1.7 0.06 ROOT good 1

0.18 U-238 168.8 4.1 18.1 7.0 3.7 4.113433 L100606BES00 5.00 S

1.2 0.09 EXCAVATION good 1

0.11 Tc-99 25.1 13.7 19.4 2.1 1.2 4.828583 L100607BES00 7.24 S

1.9 0.17 EXCAVATION good 1

0.17 Th-232 2.0 9.4 18.7 2.8 1.7 3.67423 L100608BES00 9.01 S

2.0 0.08 EXCAVATION good 1

0.13 Ra-226 1.9 13.9 19.4 1.7 1.2 3.606893 L100609BES00 8.38 S

2.2 0.08 EXCAVATION good 1

0.15 8.5 18.6 2.2 1.9 5.596946 L100605BRQ00 4.38 Q

0.5 0.12 good 0.15 7.8 18.5 2.2 2.0 4.447788 L100610BUB00 7.50 B

2.1 0.15 good 0.15 7.1 18.4 2.6 2.2 4.736396 L100611BUB00 5.50 B

4.4 0.16 good 0.15 32.3 22.7 0.7 0.5 5.773512 L100612BUB00 7.50 B

1.7 0.06 good 0.13 Step 8.4.5b 7.5 18.5 2.3 2.1 4.508585 2.0 0.06 weighted SOFMEAN 0.11 3.4 18.1 16.1 4.4 4.79753 0.17 9

1 8

0 SS RS ES 9.4 18.7 2.7 1.7 4.142882 0.11 count tot fractions 0

0.111111111 0.888888889 Average Enrichment (%)

2.02 0.09 0.04 Step 8.4.5c SOFMEAN Re-use Backfill Material 0

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

SOFMEAN, SU 0.27 PASS 6.7 mrem 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.

Infer U234 Step 8.3.4 Average Enrichme nt (%)

Sample Depth (ft)

Type (Systematic, Bias, QC)

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

HDP-PR-FSS-721 Final Status Survey Data Evaluation Step 8.5 Performance of Statistical Tests LSA 10-06 FSSDE Worksheets Uniform.xlsx/Step 8.5.3 WRS Test 01/09/2018 Page 4 of 8 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 1.19 2.188 33 33 9574-SS-140910-01-02 Reference 0.76 1.757 11 11 9574-SS-140910-01-03 Reference 1.02 2.023 20 20 9574-SS-140910-01-04 Reference 1.02 2.018 19 19 9574-SS-140910-01-05 Reference 1.00 2.002 16 16 9574-SS-140910-01-07 Reference 0.87 1.873 13 13 9574-SS-140910-01-08 Reference 1.04 2.040 23 23 9574-SS-140910-01-09 Reference 0.96 1.959 15 15 9574-SS-140910-01-10 Reference 1.20 2.204 34 34 9574-SS-140910-01-11 Reference 1.01 2.007 18 18 9574-SS-140910-01-12 Reference 1.22 2.223 35 35 9574-SS-140910-01-13 Reference 1.03 2.035 22 22 9574-SS-140910-01-14 Reference 1.00 2.005 17 17 9574-SS-140910-01-15 Reference 0.86 1.865 12 12 9574-SS-140910-01-16 Reference 1.24 2.238 37 37 9574-SS-140910-01-17 Reference 1.19 2.185 32 32 9574-SS-140910-01-18 Reference 1.31 2.310 39 39 9574-SS-140910-01-20 Reference 1.18 2.179 30 30 9574-SS-140910-01-21 Reference 1.06 2.064 25 25 9574-SS-140910-01-22 Reference 1.10 2.101 26 26 9574-SS-140910-01-23 Reference 1.29 2.293 38 38 9574-SS-140910-01-24 Reference 1.34 2.339 40 40 9574-SS-140910-01-25 Reference 1.15 2.154 29 29 9574-SS-140910-01-26 Reference 1.18 2.182 31 31 9574-SS-140910-01-27 Reference 1.23 2.227 36 36 9574-SS-140910-01-28 Reference 1.38 2.380 41 41 9574-SS-140910-01-29 Reference 1.05 2.055 24 24 9574-SS-140910-01-30 Reference 0.94 1.941 14 14 9574-SS-140910-01-31 Reference 1.12 2.119 27 27 9574-SS-140910-01-32 Reference 1.15 2.152 28 28 Step 8.5.1 9574-SS-140910-01-33 Reference 1.03 2.028 21 21 Min adjusted bkg SOF 9574-SS-140910-01-34 Reference 0.44 1.443 10 10 1.44 L100601BES00 Survey Unit 1.21 1.213 7

0 No WRS test necessary L100602BES00 Survey Unit 1.10 1.098 1

0 No WRS test necessary L100603BES00 Survey Unit 1.22 1.215 8

0 No WRS test necessary L100604BES00 Survey Unit 1.18 1.182 6

0 No WRS test necessary L100605BRS00 Survey Unit 1.13 1.127 2

0 No WRS test necessary L100606BES00 Survey Unit 1.15 1.154 5

0 No WRS test necessary L100607BES00 Survey Unit 1.24 1.236 9

0 No WRS test necessary L100608BES00 Survey Unit 1.14 1.143 4

0 No WRS test necessary L100609BES00 Survey Unit 1.14 1.141 3

0 No WRS test necessary Rank Sums 861 816 Wr Step 8.5.3e

  1. Reference Area Measurements m

32

  1. Survey Unit Measurements n

9 Total Number of Measurements Step 8.5.3c N

41 (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 725 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 Population LSA 10-06 FSSDE Worksheets Uniform.xlsx/Retrospective Sample Size 01/09/2018 Page 5 of 8 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.

0.04 DCGLSOF 1

LBGR (Mean) 0.11 Shift 0.89 Relative Shift (/)

20.85 MARSSIM Table 5.1 (Pr) 1.000000 N

12 N + 20%

14.4 N/2 8

FSS N/2 8

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

Survey Unit No.:

Activity (xi)

MDC Activity (xi)

MDC L100605BRS00 L100605BRQ00 Ra-226 1.07 0.0931 1.15 0.0609 1.110 1.9 0.08 0.269 0.403 N

L100605BRS00 L100605BRQ00 Tc-99 0.0829 0.224

-0.0176 0.231 0.033 25.1 NA 3.552 5.321 NA L100605BRS00 L100605BRQ00 Th-232 1.07 0.187 1.14 0.135 1.105 2.0 0.070 0.283 0.424 N

L100605BRS00 L100605BRQ00 U-2341 2.849 N/A 0.675 N/A 1.762 195.4 2.174 27.649 41.425 N

L100605BRS00 L100605BRQ00 U-235 0.152 0.196 0.0297 0.254 0.091 51.6 NA 7.301 10.939 NA L100605BRS00 L100605BRQ00 U-238 1.43 1.04 0.96 0.807 1.195 168.8 0.470 23.885 35.786 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:

Reviewed by:

Date:

Date:

Quality Record FIELD DUPLICATE SAMPLE ASSESSMENT LSA 10-06 Survey Unit

Description:

Burial Pits Open Land Area South Eastern Survey Unit in "Area 9" 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 Revision: 2 Page 1 of 1 Hematite Decommissioning Project Procedure: HDP-PR-FSS-703, Final Status Survey Quality Control

LSA 10-06 Sys SOF Only 0.1 0.1 0.2 0.1 0.1 0.1 0.2 0.1 0.1

v4.65.2 Last updated 6 January 2017 at 15:54 by W. Clark Evers Descriptives N

9

Mean 95% CI Mean SE SD Variance Skewness Kurtosis LSA 10-06 Sys SOF Only 0.11 0.07 to 0.14 0.014 0.04 0.00 0.4

-1.53

Minimum 1st quartile Median 96.09% CI 3rd quartile Maximum IQR LSA 10-06 Sys SOF Only 0.1 0.07 0.09 0.06 to 0.15 0.15 0.2 0.08 Distribution: LSA 10-06 Sys SOF Only SOFn Only A1:A10 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 10-06 Sys SOF Only 0

0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

LSA 10-06 Sys SOF Only

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