ML17363A340

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Final Status Survey Final Report Volume 3, Chapter 2, Survey Area Release Record for Land Survey Area 10, Survey Unit 02, Appendix P-4
ML17363A340
Person / Time
Site: 07000036
Issue date: 12/05/2017
From:
Westinghouse
To:
Office of Nuclear Material Safety and Safeguards
References
HEM-17-71
Download: ML17363A340 (6)
v • d • e


Text

Survey Area:

==

Description:==

Survey Unit:

==

Description:==

Survey Type:

Classification:

Surface or CSM Type Start Elevation End Elevation Uniform S

432.6 432.5 Uniform S

432.5 428.1 Uniform S

436.2 435.8 Uniform S

435.8 431.3 Uniform S

424.7 424.2 Uniform S

426.9 426.4 Uniform S

423.5 423.0 Uniform S

418.9 418.4 Uniform S

422.3 421.8 Uniform S

422.3 421.8 Uniform Q

422.3 421.8 Uniform B

429.5 419.6 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) with conservative use of Uniform DCGLs Type: Systematic = S, Biased = B; QC =Q; Investigation = I Green shaded samples are the samples at each sample location, for use in WRS test.

FSS Class 1 Hematite Decommissioning Project Procedure: HDP-PR-FSS-701, Final Status Survey Plan Development Westinghouse Non-Proprietary Class 3 Revision: 4 Appendix P-4, Page 1 of 1 APPENDIX P-4 FSS SAMPLE & MEASUREMENT LOCATIONS & COORDINATES LSA 10 Burial Pits Open Land Area 02 North East Corner Survey Unit (North Burial Pit)

Measurement or Sample ID Northing (Y Axis)

  • L10-02-02-B-R-S-00 865420.7 827351.1 Root 4.4-foot composite Easting (X Axis)
  • Remarks / Notes L10-02-01-B-S-S-00 865420.7 827351.1 Surface 1-inch grab L10-02-07-B-E-S-00 865379.3 827375.0 Excavation 6-inch grab L10-02-04-B-S-S-00 865379.3 827327.1 Surface 5-inch grab L10-02-05-B-R-S-00 865379.3 827327.1 Root 4.4-foot composite L10-02-08-B-E-S-00 865338.0 827351.1 Excavation 6-inch grab L10-02-09-B-E-S-00 865338.0 827399.0 Excavation 6-inch grab L10-02-10-B-E-S-00 865338.0 827446.9 Excavation 6-inch grab L10-02-11-B-E-S-00 865338.0 827494.8 Excavation 6-inch grab L10-02-12-B-E-S-00 865296.7 827423.0 Excavation 6-inch grab L10-02-11-B-E-Q-00 865338.0 827494.8 Excavation 6-inch grab Quality Record L10-02-13-B-E-B-00 865341.1 827408.1 Excavation 6-inch grab

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

LSA10-02 FSS Data Evaluation R1.xlsx/Ingrowth Data Eval 12/28/2017 Page 2 of 6 Enr.

SOFN 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

(%)

SOFN Is Sample in the Root Stratum?

Is ROOT Sample SOF >

0.5?

root count excavation count surface count MDC SOF L10-02-01-B-S-S-00 0.39 S

0.998 0.146 0.067 NA

-0.072 0.000 0.443 0.443 0.079 0.243 NA 0.987 0.161 0.108 NA

-0.013 0.000 4.381 NA NA NA 0.242 0.115 0.159 NA 0.858 0.308 0.826 NA L10-02-01-B-S-S-00 0.39 S

4.3 0.05 SURFACE good 1

0.12 L10-02-02-B-R-S-00 0.492 S

1.110 0.172 0.083 NA 0.040 0.040 0.130 0.130 0.095 0.231 U

1.050 0.191 0.127 NA 0.050 0.050 1.905 NA NA NA 0.099 0.161 0.286 U

1.190 0.355 0.929 NA L10-02-02-B-R-S-00 0.49 S

1.3 0.07 ROOT good 1

0.16 L10-02-04-B-S-S-00 0.06 S

1.160 0.181 0.055 NA 0.090 0.090 0.303 0.303 0.041 0.232 U

0.936 0.222 0.133 NA

-0.064 0.000 3.433 NA NA NA 0.188 0.195 0.310 U

1.080 0.699 1.120 NA L10-02-04-B-S-S-00 0.06 S

2.7 0.09 SURFACE good 1

0.15 L10-02-05-B-R-S-00 0.492 S

1.210 0.165 0.067 NA 0.140 0.140 0.019 0.019 0.090 0.240 NA 1.110 0.172 0.137 NA 0.110 0.110 0.889 NA NA NA 0.042 0.159 0.268 U

0.911 0.316 0.900 U

L10-02-05-B-R-S-00 0.49 S

0.7 0.14 ROOT good 1

0.15 L10-02-07-B-E-S-00 6.09 S

1.170 0.211 0.134 NA 0.100 0.100 0.042 0.042 0.129 0.256 U

1.040 0.192 0.161 NA 0.040 0.040 1.125 NA NA NA 0.059 0.183 0.320 U

0.626 0.440 1.310 NA L10-02-07-B-E-S-00 6.09 S

1.5 0.08 EXCAVATION good 1

0.20 L10-02-08-B-E-S-00 5.17 S

1.160 0.159 0.066 NA 0.090 0.090

-0.008 0.000 0.059 0.239 U

1.060 0.170 0.119 NA 0.060 0.060 2.268 NA NA NA 0.118 0.153 0.261 U

1.410 0.534 0.800 NA L10-02-08-B-E-S-00 5.17 S

1.3 0.10 EXCAVATION good 1

0.14 L10-02-09-B-E-S-00 6.32 S

1.030 0.167 0.083 NA

-0.040 0.000 0.871 0.871 0.119 0.237 U

1.050 0.207 0.084 NA 0.050 0.050 1.760 NA NA NA 0.097 0.167 0.256 U

0.515 0.670 1.110 U

L10-02-09-B-E-S-00 6.32 S

2.9 0.07 EXCAVATION good 1

0.12 L10-02-10-B-E-S-00 9.53 S

0.941 0.151 0.086 NA

-0.129 0.000 0.353 0.353 0.119 0.290 U

0.939 0.170 0.127 NA

-0.061 0.000 2.274 NA NA NA 0.116 0.135 0.246 U

1.680 0.636 0.807 NA L10-02-10-B-E-S-00 9.53 S

1.1 0.04 EXCAVATION good 1

0.14 L10-02-11-B-E-S-00 4.93 S

0.956 0.154 0.074 NA

-0.114 0.000 0.274 0.274 0.038 0.249 NA 0.843 0.160 0.084 NA

-0.157 0.000 2.477 NA NA NA 0.135 0.117 0.163 U

0.875 0.498 0.785 U

L10-02-11-B-E-S-00 4.93 S

2.4 0.03 EXCAVATION good 1

0.12 L10-02-12-B-E-S-00 7.88 S

0.734 0.107 0.041 NA

-0.336 0.000 0.301 0.301 0.086 0.214 NA 0.336 0.068 0.042 NA

-0.664 0.000 5.938 NA NA NA 0.326 0.109 0.119 U

1.710 0.441 0.582 NA L10-02-12-B-E-S-00 7.88 S

2.9 0.06 EXCAVATION good 1

0.09 L10-02-11-B-E-Q-00 4.93 Q

0.812 0.125 0.059 NA

-0.258 0.000 0.453 0.453 0.210 0.243 NA 0.577 0.127 0.065 NA

-0.423 0.000 1.840 NA NA NA 0.101 0.119 0.195 U

0.536 0.244 0.712 NA L10-02-11-B-E-Q-00 4.93 Q

2.9 0.03 good 0.08 L10-02-13-B-E-B-00 9.86 B

0.953 0.173 0.101 NA

-0.117 0.000 0.265 0.265 0.024 0.287 NA 1.080 0.220 0.115 NA 0.080 0.080 4.085 NA NA NA 0.224 0.184 0.320 NA 1.240 0.700 1.100 NA L10-02-13-B-E-B-00 9.86 B

2.8 0.08 good 0.13 2.1 0.03 0.14 10 2

6 2

0.07 count tot 0.07 0.03 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 0.000 0.443 0.000 4.381 0.242 0.858 0.090 0.303 0.000 3.433 0.188 1.080 0.045 0.373 0.000 3.907 0.215 0.969 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 0.040 0.130 0.050 1.905 0.099 1.190 0.140 0.019 0.110 0.889 0.042 0.911 0.090 0.074 0.080 1.397 0.071 1.051 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 0.042 0.04 1.1254 0.0594 0.626 0.09 0

0.06 2.2677 0.118 1.410 0

0.871 0.05 1.7596 0.0966 0.515 0

0.353 0

2.2736 0.116 1.680 0

0.274 0

2.4771 0.135 0.875 0

0.301 0

5.9382 0.326 1.710 0.032 0.307 0.025 2.640 0.142 1.136 Sample ID Sample Start Depth (ft)

Type (Systematic, Bias, QC)

TestAmerica Analytical Results Ra-226 Tc-99 Th-232 Inferred U-234 U-235 0.515 Sample Depth (ft)

Type (Systematic, Bias, QC)

Root Stratum SOF Verification (unexcavated/not backfilled only).

U-238 Sample ID 0.326 Systematic Minimum 0.000 0.000 0.000 0.889 0.042 0.996 1.710 Average Enrichment

(%)

Systematic Mean 0.046 0.274 0.031 2.645 0.142 1.086 Systematic Median Systematic Maximum 0.140 0.871 0.110 5.938 0.087 0.020 0.288 0.020 2.271 0.117 NOTES:

    • Background (1.0 pCi/g) subtracted from gross result 0.411 Systematic Standard Deviation 0.054 0.260 0.038 1.546 Calculate the dose contribution for the SU by multiplying SOFMEAN,SU (including contribution from Re-use backfill and Groundwater) by 25 mrem.

5.8 mrem

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

LSA10-02 FSS Data Evaluation R1.xlsx/Ingrowth Data Eval 12/28/2017 Page 3 of 6 Use corrected net results for all DE calcs.

DCLGW, Measure Tc-99, All SEAs 2.8785 Uniform U-238/U235 U-234/U235 U-234 5.4964 U-234 195.4 3.5 18.1 4.4 4.3 5.6604 U-235 51.6 12.0 19.2 1.9 1.3 5.6169 U-238 168.8 5.7 18.3 3.4 2.7 6.0629 Tc-99 25.1 21.5 21.0 0.9 0.7 5.0159 Th-232 2.0 10.5 18.9 1.1 1.5 4.6631 Ra-226 1.9 11.9 19.2 2.3 1.3 4.8216 5.3 18.2 1.8 2.9 2.9909 weighted SOFMEAN 0.07 14.5 19.6 2.3 1.1 2.1676 SS RS ES 6.5 18.3 2.5 2.4 3.5520 fractions 0.2 0.2 0.6 5.2 18.2 5.9 2.9 5.8355 5.3 18.2 1.8 2.9 5.5 18.2 4.1 2.8 SOFMEAN Re-use Backfill Material Average Enrichment (%)

2.11 0 Off-Site Backfill SOFMEAN Groundwater 0.16 SOFTOT <= 1 SOFMEAN, SU 0.23 PASS Infer U-234 MDC using U-235 MDC

  • ratio of U-234:U-235

@ that sample's enrichment Infer U234

HDP-PR-FSS-721 Final Status Survey Data Evaluation Performance of Statistical Tests LSA10-02 FSS Data Evaluation R1.xlsx/WRS Test 12/28/2017 Page 4 of 6 SAMPLE ID AREA (Reference, Survey Unit)

Gross SOF (Xi,ref, Yi,SU,gross)

ADJUSTED SOF (Zi)

RANKS REFERENCE AREA RANKS 9574-SS-140910-01-01 Reference 1.31 2.310 40 40 9574-SS-140910-01-02 Reference 1.18 2.179 31 31 9574-SS-140910-01-03 Reference 1.06 2.064 26 26 9574-SS-140910-01-04 Reference 1.10 2.101 27 27 9574-SS-140910-01-05 Reference 1.29 2.293 39 39 9574-SS-140910-01-07 Reference 1.34 2.339 41 41 9574-SS-140910-01-08 Reference 1.15 2.154 30 30 9574-SS-140910-01-09 Reference 1.18 2.182 32 32 9574-SS-140910-01-10 Reference 1.23 2.227 37 37 9574-SS-140910-01-11 Reference 1.38 2.380 42 42 9574-SS-140910-01-12 Reference 1.05 2.055 25 25 9574-SS-140910-01-13 Reference 0.94 1.941 15 15 9574-SS-140910-01-14 Reference 1.12 2.119 28 28 9574-SS-140910-01-15 Reference 1.15 2.152 29 29 9574-SS-140910-01-16 Reference 1.03 2.028 22 22 9574-SS-140910-01-17 Reference 0.44 1.443 11 11 9574-SS-140910-01-18 Reference 1.19 2.188 34 34 9574-SS-140910-01-20 Reference 0.76 1.757 12 12 9574-SS-140910-01-21 Reference 1.02 2.023 21 21 9574-SS-140910-01-22 Reference 1.02 2.018 20 20 9574-SS-140910-01-23 Reference 1.00 2.002 17 17 9574-SS-140910-01-24 Reference 0.87 1.873 14 14 9574-SS-140910-01-25 Reference 1.04 2.040 24 24 9574-SS-140910-01-26 Reference 0.96 1.959 16 16 9574-SS-140910-01-27 Reference 1.20 2.204 35 35 9574-SS-140910-01-28 Reference 1.01 2.007 19 19 9574-SS-140910-01-29 Reference 1.22 2.223 36 36 9574-SS-140910-01-30 Reference 1.03 2.035 23 23 9574-SS-140910-01-31 Reference 1.00 2.005 18 18 9574-SS-140910-01-32 Reference 0.86 1.865 13 13 9574-SS-140910-01-33 Reference 1.24 2.238 38 38 Min adjusted bkg SOF:

9574-SS-140910-01-34 Reference 1.19 2.185 33 33 1.44 L10-02-01-B-S-S-00 Survey Unit 1.07 1.069 4

0 No WRS test necessary L10-02-02-B-R-S-00 Survey Unit 1.13 1.133 7

0 No WRS test necessary L10-02-04-B-S-S-00 Survey Unit 1.12 1.118 6

0 No WRS test necessary L10-02-05-B-R-S-00 Survey Unit 1.20 1.203 10 0

No WRS test necessary L10-02-07-B-E-S-00 Survey Unit 1.15 1.148 8

0 No WRS test necessary L10-02-08-B-E-S-00 Survey Unit 1.16 1.163 9

0 No WRS test necessary L10-02-09-B-E-S-00 Survey Unit 1.12 1.116 5

0 No WRS test necessary L10-02-10-B-E-S-00 Survey Unit 1.00 1.003 3

0 No WRS test necessary L10-02-11-B-E-S-00 Survey Unit 0.96 0.956 2

0 No WRS test necessary L10-02-12-B-E-S-00 Survey Unit 0.61 0.613 1

0 No WRS test necessary Rank Sums 903 848 Wr

  1. Reference Area Measurements m

32

  1. Survey Unit Measurements n

10 Total Number of Measurements N

42 (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 744 TEST:

PASS WRS TEST

HDP-PR-FSS-721 Final Status Survey Data Evaluation Retrospective Sample Size Verification LSA10-02 FSS Data Evaluation R1.xlsx/Retrospective Sample Size 12/28/2017 Page 5 of 6 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 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 Relative Shift (/)

28.87 MARSSIM Table 5.1 (Pr) 1.000000 N

12 DCGLSOF 1

LBGR (Mean) 0.07 Shift 0.93 Uniform DCGL Criteria Evaluation N/2 Value Verification Isotope(s)

SOF (Ra/Tc/Th/Iso U)

St. Dev.

0.03

Survey Unit No.:

Activity (xi)

MDC Activity (xi)

MDC L10-02-11-B-E-S-00 L10-02-11-B-E-Q-00 Ra-226 0.956 0.0738 0.812 0.0586 0.884 1.9 0.144 0.269 0.403 N

L10-02-11-B-E-S-00 L10-02-11-B-E-Q-00 Tc-99 0.274 0.249 0.453 0.243 0.3635 25.1 0.179 3.552 5.321 N

L10-02-11-B-E-S-00 L10-02-11-B-E-Q-00 Th-232 0.843 0.0839 0.577 0.0649 0.710 2.0 0.266 0.283 0.424 N

L10-02-11-B-E-S-00 L10-02-11-B-E-Q-00 U-2341 2.477 NA 1.840 NA 2.158 195.4 0.637 27.649 41.425 N

L10-02-11-B-E-S-00 L10-02-11-B-E-Q-00 U-235 0.135 0.163 0.101 0.195 0.118 51.6 NA 7.301 10.939 NA L10-02-11-B-E-S-00 L10-02-11-B-E-Q-00 U-238 0.875 0.785 0.536 0.712 0.706 168.8 NA 23.885 35.786 NA Comments:

1. U-234 is inferred, no MDC available.
2. U-235 results are less than the related MDC, therefore duplicate assessment is not necessary.

Performed by:

Ellen C. Jakub Reviewed by:

Brian A. Miller Date:

02/26/2015 Date:

Quality Record Hematite Decommissioning Project Procedure: HDP-PR-FSS-703, Final Status Survey Quality Control Westinghouse Non-Proprietary Class 3 Revision: 1 Page 1 of 1 Sample ID Field Duplicate Sample ID Radionuclide Sample (pCi/g)

Field Duplicate Sample (pCi/g)

FORM HDP-PR-FSS-703-1 FIELD DUPLICATE SAMPLE ASSESSMENT Statistic2 Warning Limit Control Limit Average Activity ( )

(pCi/g)

Nuclide DCGL (pCi/g) 03/16/2015 Survey Unit

Description:

LSA 10-02 North East Corner Survey Unit (North Burial Pits)

Statistic Exceeds Limit?

(Y/N)

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