ML081330353

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Survey Unit Release Record, EP Pph 109, Revision - Original - Part 1
ML081330353
Person / Time
Site: Plum Brook  File:National Aeronautics and Space Administration icon.png
Issue date: 05/02/2008
From: Case R, Wood G
US National Aeronautics & Space Admin (NASA), John H. Glenn Research Ctr at Lewis Field
To:
NRC/RGN-III
References
EP-PPH 109
Download: ML081330353 (73)
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{{#Wiki_filter:* Survey Unit Release Record Design # Survey Unit #(s) EP-PPH 109 Revision # Original PPH 109 Page 1 of 4 Description

1) Portions of Embedded Pipe (EP) Survey Unit PPH 109 that remain embedded in the building foundation walls meet the definition ofembedded pipe for Plum Brook Reactor Facility (PBRF). The portion of piping which transits in soil under and between the buildings does not meet the criteria for embedded piping. Upon demonstration of compliance with the release criteria (Sect. 5.2), the complete piping system will be grouted, including the portions embedded in the building structure that will remain embedded for any future reuse and those portions in the ground that can be released for unrestricted use.
2) EP PPH 109 is a Class 1, Group 1 survey unit as per the PBRF Final Status Survey Plan (FSSP) and Technical Basis Document (TBD)-06-004.
3) Multiple core bores were performed to remove sections of this pipe system to facilitate access for remediation and survey. Underlying soils were exposed by this activity. Isotopic analysis of soil samples taken after the completion of these activities indicate residual radioactivity at concentrations well below the release criteria.
4) Surveys in.EP PPH 109 were performed using a scintillation detector optimized to measure gamma energies representative of Co60
  • Sample #EP 3-7 from Survey Request (SR)-13 was referenced for this decision.
5) Survey Instructions for this survey unit are incorporated into and performed in accordance with (IAW) the Babcock Services Incorporated (BSI)/LVS-002, Work Execution Package (WEP) 05-006. Survey instructions described in this document constitute "Special Methods" and the survey design used in the acquisition of survey measurements.
6) Instrument efficiency determinations are developed in accordance with the BSIILVS-002, WEP 05-006, these determinations are appropriate for the types of radiation involved and the media being surveyed.

Approval Signatures Date: FSS/Characterization Engineer FSS/Characterization Manager -//t~ A.Cas';/V~ Form CS-09/1 Rev 0

Revision # Original Page 2 of 4 Survey Unit: PPH 109 1.0 HistoryfDescription 1.1 The subject pipe is a 4, 6 and 8" drain line from PPH Room 1, PPH Room 2, PPH Room 3, PPH Room 4, and PPH Room 8 to the sump located in PPH Room 8. 1.2 EP PPH 109 consists of 4, 6 and 8" diameter piping that is approximately 209 feet in length. 2.0 Survey Design Information 2.1 EP PPH 109 was surveyed lAW Procedure #BSIILVS-002. 2.2 100% of the 4" pipe was accessible for survey. The accessible 4" pipe was surveyed by static measurement at one foot increments, for a total of 142 survey measurements. 2.3 Surface area for the 4" piping is 973 cm2 for each foot of piping, corresponding to a total 4" piping surface area of 138166 cm2 (13.9 m2) for the entire length of (approximately 142') of 4" piping. 2.4 100% of the 6" pipe was accessible for survey. The accessible 6" pipe was surveyed by static measurement at one foot increments, for a total of 47 survey measurements. 2.5 Surface area for the 6" piping is 1,459 cm2 for each foot of piping, corresponding to a total 6" piping surface area of 68573 cm2 (6.8 m2) for the entire length of (approximately 47') of 6" piping. 2.6 100% of the 8" pipe was accessible for survey. The accessible 8" pipe was surveyed by static measurement at one foot increments, for a total of 20 survey measurements. 2.7 Surface area for the 8" piping is 1,946 cm2 for each foot of piping, corresponding to a total 8" piping surface area of 38920 cm2 (3.9 m2) for the entire length of (approximately 20') of 8" piping. 2.8 The surface area ofPPH 109 is 24.6 m 2 3.0 Survey Unit Measurement LocationsfData 3.1 Pipe interior radiological survey forms are provided in Attachment 2 of this release record. 3.2 All floor drains, risers and cOlmecting piping to the main collection headers were removed by core bore during the remediation efforts with the exception of FD 8-1. Graphical presentation of these excavations in included in Attachment 3. 4.0 Survey Unit InvestigationslResults 4.1 None

'-----,----a_ FSS Design # EP PPH 109 IRevision # Original -I Page 3 of 4 Survey Unit: PPH 109 5.0 Data Assessment Results 5.1 Data assessment results are provided in the EP/Buried Pipe (BP) Survey Reports provided in Attachment I. 5.2 This survey unit was assessed as a building re-use scenario with all activity derived dose as a 100% C060 nuclide distribution. This is the most conservative DCGL for the facility (II,000 dpm/I 00cm2). 5.3 Four measurements observed in EP PPH 109 exceeded the Unity Rule as provided in Section 3.6.3 of the FSSP. Elevated Measurement Comparisons (EMC) and Elevated Measurement Tests were performed. EMC Unity for this survey unit is 0.130, EMT Unity is 0.550. The survey unit that is constituted by EP PPH 109 passes FSS. 5.4 The elevated measurements discussed in 5.3 above occurred in different rooms of the Primary Pump House. Additionally, PPH Room 4 may constitute more than one survey unit for structural survey unit dispositions. Individual data assessments were performed for each discreet section of piping to assist with future FSS efforts in the PPH. A composite assessment of all the piping bounded by EP PPH 109 was also performed. This composite assessment is reported in Section 5.7, the individual assessments may be reviewed in Attachment I. 5.5 DCGL's for the building reuse scenario are used to demonstrate compliance with the release criterion for this release record. The DCGL's for embedded pipe are not applied. 5.6 Background was not subtracted from the survey measurements. 5.7 Statistical Sununary Table Statistical Parameter Total Number of Survey Measurements Number of Measurements >MDC Number of Measurements Above 50% ofDCGL Number of Measurements Above DCGL Mean Median Standard Deviation Maximum Minimum 209 207 100 4 0.502 0.479 0.209 1.437 0.144

'--r-------a_ FSS Design # EP PPH 109 I Revision # Original l Page 4 of 4 Survey Unit: PPH 109 6.0 Docwnentation of evaluations pertaining to compliance with the unrestricted use limit of25 mrem/yr and dose contributions from Embedded Pipe and radionuclides contributing 10% in aggregate of the total dose for both structural scenarios and soils. 6.1 A review of the survey results has shown that the dose contribution for EP PPH 109 to be less than 25 mrern/yr. The dose contribution is estimated to be 12.6 rnrern/yr based on the average of the actual gross cOlmts measured. 7.0 Attachments - BSI EPIBP Survey Report - Pipe Interior Radiological Survey Form - Soil Sample Analysis - DQA Worksheet - EP PPH 109 Spreadsheet Disc

SECTION 7 ATTACHMENT 1 37 PAGES

IkilJJl* BSI EP/BP SURVEY REPORT Pipe ID PPH 109 Survey Location PRIMARY PUMP HOUSE Survey Date See Survey Sheets 2350-1 # 189094 / 203438 Survey Time See Survey Sheets Detector-Sled # LVS1-101 Pipe Size 4") 6"r 8" Detector Efficiency See Survey Sheets DCGL (dpmJ100cm2l 1.10E+04 Pipe A1ea Incorporated by Delector Efficiency lin cm2l See Survey Sheets Pipe Area Incorporated by 24.6 Field BKG (cpm) See Survey Sheets 5U1vev Dala fm' Routine Survey X Field MDCR (cpm) See Survey Sheets QA Survey Nominal MDC (dpmJ100cm2) See Survey Sheets Survey Measurement Results Total Number of Survey Measurements 209 Number of Measurements >MDC 207 Number of Measurements Above 50% DCGL 100 Number of Measurements Above DCGL 4 Mean 0.502 Median 0.479 Standard Deviation 0.209 Maximum 1.437 Minimum 0.144 Survey Technician(s) PHELPS Survey Unit Classification I 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 Measured Nuclide Co-50 Area Factor/EMC Used Yes Pass/Fail FSS Pass MREMIYR Contribution <25 COMMENTS: ACTIVITY VALUES NOT BACKGROUND CORRECTED. ~ RP Engineer I Date BA/lf"~-/ /3~2~D? /

Unity 0.551 EMC Unity 0.479 0.431 0.359 I 0.719 ~ 0.431 ~ ..~ 0.035 0.719 0.599 0.287 0.407 0.287 0.311 0.240 0.671 0.551 0.527 0.359 0.599 0.815 1.389 0.335 0.311 0.359 0.335 0.240 0.359 0.431 0.503 0.144 0.287 0.335 0.287 0.671 0.383 0.216 0.036 0.527 0.287 0.407 0.623 0.599 0.934 1.437 PPH 109 4', 6", 8" Pipe

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PPH 109 4', 6", 8" Pipe TBD 06-004 Group 1 '1:t:.. I I Q) C I E I Co-60 activity Co-60 activity EMC ncpm Unity (total dpm) (dpm/100cm2) Unity I 23 58,974 6,061 0.551 26 66,667 6,852 0.623 14 35,897 3,689 0.335 25 64,103 6,588 0.599 22 56,410 5,798 0.527 58 148,718 15,284 1.389 0.035 42 107,692 11,068 1.006 0.025 36 92,308 9,487 0.862 35 89,744 9,223 0.838 _.0-23 58,974 6,061 0.551 37 94,872 9,750 0.886 12 30,769 3,162 I 0.287 19 48,718 5,007 0.455 6 15,385 1,581 0.144 26 66,667 6,852 0.623 38 97,436 10,014 0.910 16 41,026 4,216 0.383 13 33,333 3,426 0.311 17 43,590 4,480 0.407 14 35,897 3,689 0.335 22 56,410 5,798 0.527 I 23 58,974 6,061 0.551 24 61,538 6,325 0.575 19 48,718 5,007 0.455 EMT Q)... Igcpm Unity III III Q) 0.551 1 23 Z-0.623 2 26 0.335 3 14 'lll:t e-. 0.599 4 25 ~ I 0.527 5 22 7 58 (II) 0.018 0 8 42 (J 0.862 9 36 X 0.838 10 35

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I I Co-50 activity Co-50 activity Unity (total dpm) (dpm/100cm2) I I 82,759 4,253 0,387 75,862 3,898 0,354 72,414 3,721 0.338 193,103 9,923 0.902 151,724 7,797 0.709 93,103 4,784 0.435 93,103 4,784 0.435 189,655 9,746 0.886 120,690 6,202 0.564 120,690 6,202 0.564 72,414 3,721 0.338 82,759 4,253 0.387 0_-_- 62,069 3,190 0.290 55,172 2,835 0.258 68,966 3,544 I 0.322 79,310 4,076 0.371 68,966 3,544 0.322 41,379 2,126 0.193 58,621 3,01 1 2 0.274 58,621 3,012 0.274 56,410 5,798 0.527 58,974 6,061 0.551 69,231 7,115 0.647 51,282 5,271 0.479 28,205 2,899 0.264 38,462 3,953 0.359 41,026 4,216 0.383 33,333 3,426 0.311 41,026 4,216 0.383 35,897 3,689 0.335 46,154 4,743 0.431 0.387 24 22 22 0.354 25 21 21 0.338

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BSI EP/BP SURVEY REPORT Pipe ID PPH 109 Survey Location PPH RM 1, CO-1 Survey Date S;o" Survey Sheets 2350-1 # 203438 Survey Time See urvey Sheets Detector-Sled # LVS1-101 Pipe Size 4" Detector Efficiency 0.00039 DCGL fdpml1 OOcm2 I 1.10E+04 "". Ior.a Ineo'p"....d by 0'<1 EI!IdIJn<y (lo ern21 973 PIp. Ana In[;Orporal:ed by SUrv..~* 19 Field BKG (epml See Survey Sheets D..~(m'l Routine Survey X Field MDCRlel>fT\\1 See Survey Sheets QA Survey Nominal MDe I~OU m2/ 2366 Survey Measurement Results Total Number of Survey Measurements 20 Number of Measurements >MDC 20 Number of Measurements Above 50% DCGL 10 Number of Measurements Above DCGL 1 Mean 0537 Median 0503 Standard Deviation 0258 Maximum 1389 Minimum 0240 PHELPS Survey Technician(s) Survey Unit ClasSification 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 Measured Nuclide Co-GO Area Factor/EMC Used Yes Pass/Fail FSS Pass MREMIYR Contribution <25 COMMENTS: ACTIVITY VALUES NOT BACKGROUND CORRECTED RP Engineer I Date Ij1AkJ /3 D r /

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23 23 2 20 20 3 18 18 4 15 15 5 30 30 7 18 18 8 30 30 9 25 25 10 12 12 11 17 17 12 12 12 13 13 13 14 10 10 15 28 28 16 23 23 17 22 22 18 15 15 19 25 25 20 34 34 21 58 58 Co~O activity (tot:1' dprn) 58,974 51,282 46,154 38,462 76,923 46,154 76,923 64,103 30.769 43,590 30,769 33,333 25,641 71,795 58.974 56,410 38.462 64,103 87,179 148 718 C0-60 activity (dpm/100cm2) Unity EMC Unity EMT Unity 6,061 0551 0.035 0.551 0.479 0.431 0359 0719 0.431 0719 0.599 0.287 0.407 0.287 0.311 0240 0.671 0.551 0.527 0.359 0.599 0.815 5,271 0479 4,743 0.431 3,953 0.359 7,906 0.719 4,743 0.431 7,906 0719 6,588 0,599 3,162 0.287 4480 0407 3,162 0.287 3,426 0.311 2.635 0240 7,379 0.671 6,061 0.551 5,798 0.527 3.953 0359 6,588 0.599 8,960 0815 15.284 1389 3.750 0.035 0.518 MEAN 0.537 EMC Unity EMT Unity MEDIAN 0503 STD DEV 0.258 MAX 1.389 MIN 0.240 0.026

I ,~ ,.~~ BSt EP/B su EY REPORT PPH 109 Survey Location PPH RM 2. CO-2 Survey Date Pipe 10 s.... survl!)l ShelMS 2350-1 # 203438 Survey Time See Survey Sheets Detector-Sled # LVS1-101 Pipe Size 4" Detector Efficiency 000039 1~ 10E+04 ""'. AI.a lncmT>c>r"od by Dolo""", E1lIolot'lC'/ fin cm2' 973 DCGL (dpmNlXIcm2J P\\pe Ant" IncorpOl"at"d l:t)' SUTVtfY 2.1 See Survey Sheets Field BKG I,pml Oat,lm'\\ Routine Survey X See Survey Sheets QA Survey Field MDCR (epm) Nominal MDC (~IJO<.m21 2.366 Survey Measurement Results Total Number of Survey Measurements 22 Number of Measurements >MDC 21 Number of Measurements Above 50/0 DCGL 7 Number of Measurements Above DCGL 1 Mean 0455 Median 0.359 Standard Deviation 0.282 Maximum 1437 Minimum 0144 PHELPS Survey Tecflnician(s) Survey unit Classification 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 Measured Nuclide Co-50 Area Factor/EMC Used Yes Pas /Fail FSS Pass MREMfYR Contribution <25 COMMENTS ACTIVITY VALUES NOT BACKGROUND CORRE TED RP Engineer I Date ,l!JJJ/ !5 ---2 -D g

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gcprn ncprn 1 14 14 2 13 13 3 15 15 4 14 14 5 10 10 7 15 15 8 18 18 9 21 21 10 6 6 11 12 12 12 14 14 13 12 12 14 28 28 15 16 16 16 9 9 17 22 22 18 12 12 19 17 17 20 26 26 21 25 25 22 39 39 23 60 60 Co-50 activity (total dpm) 35,897 33,333 38,462 35,897 25,641 38,462 46,154 53,846 15,385 30,769 35,897 30,769 71,795 41,026 23,077 56,410 30,769 43,590 66,667 64,103 100,000 153,846 Co-60 activity (dpmI100cm2) Unity EMC Unity EMT Unity 3,689 0335 0.036 0.335 0.311 0.359 0.335 0.240 0359 0.431 0.503 0144 0.287 0.335 0.287 0.671 0.383 0.216 0.527 0.287 0,407 0623 0.599 0.934 3,426 0.311 3,953 0359 3,689 0.335 2,635 0.240 3,953 0359 4,743 OA31 5,534 0.503 1,581 0.144 3,162 0.287 3,689 0335 3,162 0287 7,379 0.671 4,216 0.383 2,372 0.216 5,798 0.527 3,162 0.287 4,480 OA07 6,852 0.623 6,588 0599 10,277 0.934 15,812 1,437 2,676 0.036 0.408 MEAN 0,455 EMC Unity EMT Unity MEDIAN 0.359 STD DEV 0.282 MAX 1,437 MIN 0144 0030

IiJDJ!t BSI EP/BP SURVEY REPORT Pipe ID PPH 109 Survey Location PPH RM 3, CO 3-1 Survey Date See Survey Sheets 2350-1 # 203438 Survey Time See Survey Sheets Detector-Sled # LVS1-101 Pipe Size 4" Detector Efficiency 0.00039 DCGL (dpmJl00cm2) 1.10E+04 Pipe Area Incorporated by Detector Efficiency (in cm2) 973 Pipe Area Incorporated by Survey Data m 2 11 Field BKG (cpm) See Survey Sheets Routine Survey X Field MDCR (cpm) See Survey Sheets QA Survey Nominal MDC (dpmJl00cml) 2,366 Survey Measurement Results Total Number of Survey Measurements 11 Number of Measurements >MDC 11 Number of Measurements Above 50% DCGL 10 Number of Measurements Above DCGL 2 Mean 0.743 Median 0.623 Standard Deviation 0.292 Maximum 1.389 Minimum 0.335 PHELPS Survey Technician(s) Survey Unit Classification 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 Measured Nuclide Co-60 Area Factor/EMC Used Yes Pass/Fail FSS Pass MREMIYR Contribution <25 COMMENTS: ACTIVITY VALUES NOT BACKGROUND CORRECTED RP Engineer I Date ~ / ~-2 -u ES

ACTIVITY WORKSHEET CO 3*1 41N ~- c: II) E II)..

l III IV II)

~ gcpm ncpm 1 23 23 2 26 26 3 14 14 4 25 25 5 22 22 7 58 58 8 42 42 9 36 36 10 35 35 11 23 23 12 37 37 Co-50 activity (total dpm) 58,974 66,667 35,897 64,103 56,410 148,718 107,692 92,308 89,744 58,974 94,872 Co-50 activity (dpmf100cm2) Unity EMC Unity EMT Unity 6,061 0.551 0.035 0.025 0.551 0.623 0.335 0.599 0.527 0.862 0.838 0.551 0.886 6,852 0.623 3,689 0.335 6,588 0.599 5,798 0.527 15,284 1.389 11,068 1.006 9,487 0.862 9,223 0.838 6,061 0.551 9,750 0886 4,885 0.060 0.660 MEAN 0.743 EMC Unity EMT Unity MEDIAN 0.623 STD DEV 0.292 MAX 1.389 MIN 0.335 0.019

Ikil:o!it BSI EP/BP SURVEY REPORT Pipe 10 PPH 109 Survey Location PPH RM 3, CO 3-2 4 INCH Survey Date See Survey Sheets 2350-1 # 203438 Survey Time See Survey Sheets Detector-Sled # LVS1-101 Pipe Size 4" Detector Efficiency 0.00039 DCGL (dpm/10Ocm2) 1.10E+04 Pipe Area Incorporated by Detector Efficiency lin cm2) 973 Pipe Area Incorporated bV Survey Data Im'l 1.3 Field BKG (cpm) See Survey Sheets Routine Survey X Field MDCR (cpm) See Survey Sheets QA Survey Nominal MDC (dpm/10Ocm2) 2,366 Survey Measurement Results Total Number of Survey Measurements 13 Number of Measurements >MDC 12 Number of Measurements Above 50% DCGL 5 Number of Measurements Above DCGL 0 Mean 0.459 Median 0.455 Standard Deviation 0.190 Maximum 0.910 Minimum 0.144 PHELPS Survey Technician(s) Survey Unit Classification 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 Measured Nuclide Co-60 Area Factor/EMC Used No Pass/Fail FSS Pass MREMIYR Contribution <25 COMMENTS: ACTIVITY VALUES NOT BACKGROUND CORRECTED. g RP Engineer I Date ~;& 0 ")2S?" l

ACTIVITY WORKSHEET CO 3-2 41N 'It... l: Q) E Q)... ~ l/lca Q)

E 1

2 3 4 5 6 7 8 9 10 11 12 13 gcpm 12 19 6 26 38 16 13 17 14 22 23 24 19 ncpm 12 19 6 26 38 16 13 17 14 22 23 24 19 Co-50 activity (total dpm) 30,769 48,718 15,385 66,667 97,436 41,026 33,333 43,590 35,897 56,410 58,974 61,538 48,718 Co-50 activity (dpm/100cm2) Unity EMC Unity EMT Unity 3,162 0287 5,007 0455 1,581 0.144 6,852 0.623 10,014 0.910 4,216 0.383 3,426 0.311 4,480 0407 3,689 0.335 5,798 0.527 6,061 0.551 6,325 0.575 5,007 0455 MEAN 0459 MEDIAN 0.455 STD DEV 0.190 MAX 0910 MIN 0.144

Ii1K:Ili BSI EP/BP SURVEY REPORT Pipe ID PPH 109 Survey Location PPH RM 3, CO 3-2 6 INCH Survey Date See Survey Sheets 2350-1 # 203438 Survey Time See Survey Sheets Detector-Sled # LVS1-101 Pipe Size 6" Detector Efficiency 0.00031 DCGL (dpm/100cITl2) 1.10E+04 Pipe Area Incorporated by Detector Efficiency (in cm2) 1459 Pipe Area Incorporated by Survey Data /ITl'1 3.2 Field BKG (CPlTl) See Survey Sheets Routine Survey X Field MDCR(cpm) See Survey Sheets QA Survey Nominal MDC (dpm/100clTl2) 1,985 Survey Measurement Results Total Number of Survey Measurements 22 Number of Measurements >MDC 22 Number of Measurements Above 50% DCGL 20 Number of Measurements Above DCGL 0 Mean 0.645 Median 0.703 Standard Deviation 0.147 Maximum 0.804 Minimum 0201 PHELPS Survey Technician(s) Survey Unit Classification 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 Measured Nuclide Co-60 Area Factor/EMC Used No Pass/Fail FSS Pass MREMIYR Contribution <25 COMMENTS: ACTIVITY VALUES NOT BACKGROUND CORRECTED. A~ j, -, ~() iJ g RP Engineer I Date ~/ /.5-Z

ACTIVITY WORKSHEET CO 3-2 61N ~... t: QI E QI...

l UI nI QI 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 gcpm 36 30 10 29 20 36 32 36 37 32 25 27 35 40 38 38 30 39 37 35 25 39 ncpm 36 30 10 29 20 36 32 36 37 32 25 27 35 40 38 38 30 39 37 35 25 39 Co-GO activity (total dpm) 116,129 96,774 32,258 93,548 64,516 116,129 103,226 116,129 119,355 103,226 80,645 87,097 112,903 129,032 122,581 122,581 96,774 125,806 119,355 112,903 80,645 125,806 Co-GO activity (dpm/100cm2)

Unity EMC Unity EMT Unity 7,959 0.724 6,633 0.603 2,211 0.201 6,412 0.583 4,422 0.402 7,959 0.724 7,075 0.643 7,959 0.724 8,181 0.744 7,075 0.643 5,527 0.502 5,970 0.543 7,738 0.703 8,844 0.804 8,402 0.764 8,402 0.764 6,633 0.603 8,623 0.784 8,181 0.744 7,738 0.703 5,527 0.502 8,623 0.784 MEAN 0645 EMC Unity EMT Unity MEDIAN 0.703 STD DEV 0.147 MAX 0.804 MIN 0.201

Iktx:tJtt BSI EP/BP SURVEY REPORT PipelD PPH 109 Survey Location PPH RM 4, CO 4-1 4 INCH Surv~y Date See Survey Sheets 2350-1 # 189094 Survey Time See Survey Sheets Detector-Sled # LVS1-101 Pipe Size 4" Detector Efficiency 0.00039 DCGL (dpm/l00cm2) 1.10E+04 Pipe Area Incorporated by Detector Efficiency (in cm2) 973 Pipe Area Incorporated by Survev Data 1m') 0.8 Field BKG (cpm) See Survey Sheets Routine Survey X Field MDCR (cpm) See Survey Sheets QA Survey Nominal MDC (dpm/l00cm21 2,366 Survey Measurement Results Total Number of Survey Measurements 8 Number of Measurements >MDC 8 Number of Measurements Above 50% DCGL 6 Number of Measurements Above DCGL 0 Mean 0.530 Median 0.527 Standard Deviation 0.102 Maximum 0.695 Minimum 0.359 PHELPS Survey Technician(s) Survey Unit Classification 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 Measured Nuclide Co-60 Area Factor/EMC Used No Pass/Fail FSS Pass MREMIYR Contribution <25 COMMENTS: ACTIVITY VALUES NOT BACKGROUND CORRECTED. g-RP Engineer I Date dJ--Jrd/ /J-Z-j)

ACTIVITY WORKSHEET CO 4-1 41N ~- c: Q) E Co-50 activity Q) gcprn ncprn

l (total dpm)

III IV Q) ~ 1 19 19 48,718 2 23 23 58,974 3 21 21 53,846 4 15 15 38,462 5 29 29 74,359 6 23 23 58,974 7 21 21 53,846 8 26 26 66,667 Co-50 activity (dpm/100cm2) Unity EMC Unity EMT Unity 5.007 0.455 6,061 0.551 5,534 0.503 3,953 0.359 7,642 0.695 6,061 0.551 5,534 0.503 6,852 0.623 MEAN 0.530 MEDIAN 0.527 STD DEV 0.102 MAX 0.695 MIN 0.359

!ktlJJ!.t BSI EP/BP SURVEY REPORT Pipe ID PPH 109 Survey Location PPH RM 4, CO 4-1 6 INCH Survey Date See Survey Sheets 2350-1 # 189094 Survey Time See Survey Sheets Detector-Sled # LVS1-101 Pipe Size 6" Detector Efficiency 000031 DCGL (dpmll00cm2) 110E+04 Pipe Area IncorpofBled bV Defector Efficiency fin cm2) 1459 Pipe Area Incorporated by Survey Data Im'l 1.6 Field BKG (cpm) See Survey Sheets Routine Survey X Field MDCR (cpm) See Survey Sheets QA Survey Nominal MDC (dpmJ100cm') 1,985 Survey Measurement Results Total Number of Survey Measurements 11 Number of Measurements >MDC 11 Number of Measurements Above 50% DCGL 4 Number of Measurements Above DCGL 0 Mean 0.448 Median 0.442 Standard Deviation 0.115 Maximum 0643 Minimum 0.221 PHELPS Survey Technician(s) Survey Unit Classification 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 Measured Nuclide Co-60 Area Factor/EMC Used No Pass/Fail FSS Pass MREMIYR Contribution <25 COMMENTS ACTIVITY VALUES NOT BACKGROUND CORRECTED /1 RP Engineer I Date iIJ~JLf/ 3~2 - D~

ACTIVITY WORKSHEET CO 4-1 61N 'It: 'E CII E CII

J 1/1 CII "'
E 9

10 11 12 13 14 15 16 17 18 19 gcpm 27 22 24 21 18 17 21 27 32 25 11 ncpm 27 22 24 21 18 17 21 27 32 25 11 Co-60 aclivity (lolal dpm) 87,097 70,968 77,419 67,742 58,065 54,839 67,742 87,097 103,226 80,645 35,484 Co-GO aclivity (dpm/100cm2) Unity EMC Unity EMT Unity 5,970 0.543 4,864 0.442 5,306 0.482 4,643 0.422 3,980 0.362 3,759 0.342 4,643 0422 5,970 0543 7,075 0.643 5,527 0502 2,432 0.221 MEAN 0448 EMC Unity EMT Unity MEDIAN 0.442 STD DEV 0.115 MAX 0.643 MIN 0.221

lkiJct1J BSI EP/BP SURVEY REPORT Pipe 10 PPH 109 Survey Location PPH RM 4, CO 4-2 Survey Date See Survey Sheets 2350-1 # 189094 Survey Time See Survey Sheets Detector-Sled # LVS1-101 Pipe Size 4" Detector Efficiency 0.00039 DCGL (dpmll00cm2) 1.10E+04 Pipe Area Incorporated by Detector Efficteocy (In cm2) 973 Pipe Area Incorporated by Survey Data 1m'1 1.8 Field BKG (cpm) See Survey Sheets Routine Survey X Field MDCR(cpm) See Survey Sheets QA Survey Nominal MDC Idpmll00cm2) 2,366 Survey Measurement Results Total Number of Survey Measurements 18 Number of Measurements >MDC 18 Number of Measurements Above 50% DCGL 10 Number of Measurements Above DCGL 0 Mean 0.544 Median 0527 Standard Deviation 0.182 Maximum 0.982 Minimum 0.311 PHELPS Survey Technician(s) Survey Unit Classification 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 Measured Nuclide Co-60 Area Factor/EMC Used No Pass/Fail FSS Pass MREMIYR Contribution <25 COMMENTS: ACTIVITY VALUES NOT BACKGROUND CORRECTED. RP Engineer I Date ~

  1. ~k~/.3-2-1)

ACTIVITY WORKSHEET CO 4-2 ~ l: Ql E Ql... j III IV Ql ~ 1 2 3 4 5 6 8 9 10 11 12 13 14 15 16 17 18 19 gcpm 17 15 22 14 13 41 30 26 20 30 23 22 24 22 36 20 15 19 ncpm 17 15 22 14 13 41 30 26 20 30 23 22 24 22 36 20 15 19 Co-GO activity (total dpm) 43,590 38,462 56,410 35,897 33,333 105,128 76,923 66,667 51,282 76,923 58,974 56,410 61,538 56,410 92,308 51,282 38,462 48,718 Co-GO activity (dpm/100cm2) Unity EMC Unity EMT Unity 4,480 0.407 3,953 0.359 5,798 0.527 3,689 0335 3,426 0.311 10,805 0.982 7,906 0.719 6,852 0.623 5,271 0.479 7,906 0.719 6,061 0.551 5,798 0.527 6,325 0.575 5,798 0.527 9,487 0.862 5,271 0479 3,953 0.359 5,007 0455 MEAN 0.544 MEDIAN 0.527 STD DEV 0182 MAX 0.982 MIN 0.311

1ltl1Jtt BSI EP/BP SURVEY REPORT Survey Location PPH RM 4, CO 4-3 4 INCH Survey Date Pipe ID PPH 109 See Survey Sheets 2350-1 # 203438 See Survey Sheets Survey Time Detector-Sled # LVS1-101 4" Pipe Size Detector Efficiency 0.00039 Pipe Area Incorporated by Detector Efficiency (in cm2) 1.10E+04 DCGL (dpm/l00cm2) 973 Pipe Area Inc orporated by 0.8 See Survey Sheets Field BKG (cpm) Survev Data Im'l Routine Survey X Field MDCR (cpml See Survey Sheets QA Survey 2,366 Nominal MDC (dpm/l00cm2) Survey Measurement Results Total Number of Survey Measurements 8 Number of Measurements >MDC 8 Number of Measurements Above 50% DCGL 3 Number of Measurements Above DCGL 0 Mean 0.467 Median 0.467 Standard Deviation 0.129 Maximum 0.671 Minimum 0.287 PHELPS Survey Technician(s) Survey Unit Classification 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 Measured Nuclide Co-60 Area Factor/EMC Used No Pass/Fail FSS Pass MREMIYR Contribution <25 COMMENTS: ACTIVITY VALUES NOT BACKGROUND CORRECTED. z-fJt-RP Engineer I Date 3 /ttW/

ACTIVITY WORKSHEET CO 4-3 41N ~- l:: G> E Co-GO activity G>.. gcpm ncpm (total dpm)

l 1/1 CI:l G>
E 1

20 20 51,282 2 14 14 35,897 3 12 12 30,769 4 24 24 61,538 5 16 16 41,026 6 28 28 71,795 7 19 19 48,718 8 23 23 58,974 Co-GO activity (dpm/1 OOcm2) Unity EMC Unity EMT Unity 5,271 0.479 3,689 0.335 3,162 0.287 6,325 0.575 4,216 0.383 7,379 0.671 5,007 0.455 6,061 0.551 MEAN 0.467 MEDIAN 0.467 STD DEV 0.129 MAX 0.671 MIN 0.287

Ii1DJtJ BSI EP/BP SURVEY REPORT PipelD PPH 109 Survey Location PPH RM 4, CO 4-3 6 INCH Survey Date See Survey SheelS 2350-1 # 203438 Survey Time See Survey Sheets Detector-Sled # LVS1-101 Pipe Size 6" Detector Efficiency 0.00031 DCGL (dpm/100cm2) 1.10E+04 Pipe Area Incorporated by Detector EffK:iency (in cm2) 1459 Pipe Area Incorporated by Survev Data Im'l 2.0 Field BKG (cpm) See Survey Sheets Routine Survey X Field MDCR(cpm) See Survey Sheets QA Survey Nominal MDC (dpm/100cm2) 1,985 Survey Measurement Results Total Number of Survey Measurements 14 Number of Measurements >MDC 14 Number of Measurements Above 50% DCGL 1 Number of Measurements Above DCGL 0 Mean 0.343 Median 0.301 Standard Deviation 0.113 Maximum 0.603 Minimum 0.181 PHELPS Survey Technician(s) Survey Unit Classification 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 Measured Nuclide Co-60 Area Factor/EMC Used No Pass/Fail FSS Pass MREM/YR Contribution <25 COMMENTS: ACTIVITY VALUES NOT BACKGROUND CORRECTED. ,;§d;~LJ /6-Z-De RP Engineer I Date /~ ~ftC)J'---

ACTIVITY WORKSHEET CO 4-3 61N ~... C Gl E Gl

l VI cu Gl

~ 9 10 11 12 13 14 15 16 17 18 19 20 21 22 gcprn 19 23 15 9 13 19 13 24 14 13 15 19 30 13 ncprn 19 23 15 9 13 19 13 24 14 13 15 19 30 13 Co-50 activity (total dpm) 61,290 74,194 48,387 29,032 41,935 61,290 41,935 77,419 45,161 41,935 48,387 61,290 96,774 41,935 Co-50 activity (dpm/100cm2) Unity EMC Unity EMT Unity 4,201 0.382 5,085 0.462 3,316 0.301 1,990 0.181 2,874 0.261 4,201 0382 2,874 0.261 5,306 0.482 3,095 0.281 2,874 0.261 3,316 0.301 4,201 0.382 6,633 0.603 2,874 0.261 MEAN 0.343 EMC Unity EMT Unity MEDIAN 0.301 STD DEV 0.113 MAX 0.603 MIN 0.181

Ii1JcIJtj BSI EP/BP SURVEY REPORT Survey Location PPH RM 4, CO 4-3 8 INCH Survey Date Pipe 10 PPH 109 See Survey Sheets 2350-1 # 203438 Survey Time See Survey Sheets Detector-Sled # LVS1-101 Pipe Size 8" Detector Efficiency 0.00029 DCGL Idpm/100cm21 Pipe Area Incorporated by Detector Efficiency (in cm2) 1.10E+04 1946 Pipe Area Incorporated by 3.9 Field BKG (cpm) See Survey Sheets Survev Data m 2 Routine Survey X See Survey Sheets QA Survey Field MDCRCcpmJ Nominal MDC (dpmI100cm2) 1,591 Survey Measurement Results Total Number of Survey Measurements 20 Number of Measurements >MDC 20 Number of Measurements Above 50% DCGL 5 Number of Measurements Above DCGL 0 Mean 0.430 Median 0.362 Standard Deviation 0.199 Maximum 0.902 Minimum 0.193 PHELPS Survey Technician(s) Survey Unit Classification 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 Measured Nuclide Co-60 Area Factor/EMC Used No Pass/Fail FSS Pass MREMIYR Contribution <25 COMMENTS: ACTIVITY VALUES NOT BACKGROUND CORRECTED. Z-f}~ RP Engineer I Date ~/d

ACTIVITY WORKSHEET CO 4-3 81N

t
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c: III E III...

l gcpm ncpm C0-60 activity (total dpm) 1/1 III QI 23 24 24 82,759 24 22 22 75,862 25 21 21 72,414 26 56 56 193,103 27 44 44 151,724 28 27 27 93,103 29 27 27 93,103 30 55 55 189,655 31 35 35 120,690 32 35 35 120,690 33 21 21 72,414 34 24 24 82,759 35 18 18 62,069 36 16 16 55,172 37 20 20 68,966 38 23 23 79,310 39 20 20 68,966 40 12 12 41,379 41 17 17 58,621 42 17 17 58,621 Co-50 activity (dpm/100cm2)

Unity EMC Unity EMT Unity 4,253 0387 3,898 0.354 3,721 0.338 9,923 0.902 7,797 0.709 4,784 0.435 4,784 0.435 9,746 0.886 6,202 0.564 6,202 0.564 3,721 0338 4,253 0.387 3,190 0290 2,835 0258 3,544 0.322 4,076 0.371 3,544 0.322 2,126 0.193 3,012 0274 3,012 0274 MEAN 0.430 EMC Unity EMT Unity MEDIAN 0.362 STD DEV 0.199 MAX 0.902 MIN 0.193

IkilJJ!* BSI EP/BP SURVEY REPORT PPH RM 8, CO 8-1 Survey Date PPH 109 Survey Location Pipe 10 See Survey Sheets 2350-1 # 203438 Survey Time See Survey Sheets Detector-Sled # LVS1-101 Pipe Size 4" Detector Efficiency 0.00039 DCGL (dpm/100cm2) Pipe Area Incorporated by Detector Efficiency (in cm2) 1.10E+04 973 Pipe Area Incorporated by 0.6 Field BKG (cpm) See Survey Sheets Survev Data Im'l Routine Survey X See Survey Sheets QA Survey Field MDCR (cpm) Nominal MDC (dpml100cm2) 2,366 Survey Measurement Results Total Number of Survey Measurements 6 Number of Measurements >MDC 6 Number of Measurements Above 50% DCGL 3 Number of Measurements Above DCGL 0 Mean 0.471 Median 0.503 Standard Deviation 0.139 Maximum 0.647 Minimum 0.264 PHELPS Survey Technician(s) Survey Unit Classification 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 Measured Nuclide Co-60 Area Factor/EMC Used No Pass/Fail FSS Pass MREMIYR Contribution <25 COMMENTS: ACTIVITY VALUES NOT BACKGROUND CORRECTED. RP Engineer I Date

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ACTIVITY WORKSHEET CO 8-1 c:: CI> E CI>...

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nl CI> 1 gcpm 22 ncpm 22 Co-GO activity (total dpm) 56,410 2 23 23 58,974 3 27 27 69,231 4 5 6 20 11 15 20 11 15 51,282 28,205 38,462 Co-GO activity (dpm/100cm2) Unity EMC Unity EMT Unity 5,798 0.527 6,061 0.551 7,115 0.647 5,271 0.479 2,899 0264 3,953 0.359 MEAN 0.471 MEDIAN 0.503 STD DEV 0.139 MAX 0.647 MIN 0.264

llJDJ.t BSI EP/BP SURVEY REPORT Pipe 10 PPH 109 Survey Location PPH RM 8, CO 8-2 Survey Date See Survey Sheets 2350-1 # 203438 Survey Time See SUNey Sheets Detector-Sled # LVS1-101 Pipe Size 4" Detector Efficiency 0.00039 DCGL (dpm/l00cm2) 1.10E+04 Pipe Area Incorporated by Detector Efficiency fin cm2) 973 Pipe Area Incorporated by Survey Data 1m'. 0.5 Field BKG (cpm) See SUNey Sheets Routine SUNey X Field MDCR (cpm) See SUNey Sheets QA SUNey Nominal MOC (dpm/100cm2) 2,366 SUNey Measurement Results Total Number of SUNey Measurements 5 Number of Measurements >MDC 5 Number of Measurements Above 50% DCGL 0 Number of Measurements Above DCGL 0 Mean 0.369 Median 0.383 Standard Deviation 0.047 Maximum 0.431 Minimum 0.311 PHELPS SUNey Technician(s) SUNey Unit Classification 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 Measured Nuclide Co-60 Area Factor/EMC Used No Pass/Fail FSS Pass MREMIYR Contribution <25 COMMENTS: ACTIVITY VALUES NOT BACKGROUND CORRECTED RP Engineer I Date A[w/d~ Z - D g-

ACTIVITY WORKSHEET CO 8-2

u:...

c:: QI E QI ~ ~ VI III QI ~ 1 gcpm 16 2 13 3 4 5 16 14 18 Co-GO activity Co-50 activity ncpm Unity EMC Unity EMT Unity (total dpm) (dpm/100cm2) 16 41,026 4,216 0.383 13 33,333 3,426 0.311 16 41,026 4,216 0383 14 35,897 3.689 0.335 18 46,154 4,743 0.431 MEAN 0.369 MEDIAN 0.383 STD DEV 0.047 MAX 0.431 MIN 0.311

!ktl:tJtt BSI EP/BP SURVEY REPORT Pipe 10 PPH 109 Survey Location PPH RM 8, CO 8-3 Survey Date See Survey SheelS 2350-1 # 203438 Survey Time See Survey Sheets Detector-Sled # LVS1-101 Pipe Size 4" Detector Efficiency 0.00039 DCGL (dpm/l00cm2) 1.10E+04 Pipe Area Incorporated by Detector Efficiency (in cm2) 973 Pipe Area Incorporated by Survey Data 1m', 2.4 Field BKG (cpm) See Survey Sheets Routine Survey X Field MDCR (cpm) See Survey Sheets QA Survey Nominal MDC (dpm/l00cm2) 2,366 Survey Measurement Results Total Number of Survey Measurements 25 Number of Measurements >MDC 25 Number of Measurements Above 50% DCGL 13 Number of Measurements Above DCGL 0 Mean 0.485 Median 0.503 Standard Deviation 0.154 Maximum 0.838 Minimum 0240 PHELPS Survey Technician(s) Survey Unit Classification 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 Measured Nuclide Co-60 Area Factor/EMC Used No Pass/Fail FSS Pass MREMIYR Contribution <25 COMMENTS: ACTIVITY VALUES NOT BACKGROUND CORRECTED RP Engineer I Date Z- -D r

  1. 4J7z,J// ~-

ACTIVITY WORKSHEET CO 8-3

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Ql E ~ ~ gcpm ncpm Co-60 activity (total dpm) III ra Ql

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24 24 61,538 2 28 28 71,795 3 17 17 43,590 4 30 30 76,923 5 16 16 41,026 6 22 22 56,410 7 26 26 66,667 8 18 18 46,154 9 18 18 46,154 10 20 20 51,282 11 10 10 25,641 12 12 12 30,769 13 21 21 53,846 14 21 21 53,846 15 26 26 66,667 16 35 35 89,744 17 11 11 28,205 18 17 17 43,590 19 24 24 61,538 20 21 21 53,846 21 21 21 53,846 22 16 16 41,026 23 28 28 71,795 24 12 12 30,769 25 12 12 30,769 Co-50 activity (dpmJ100cm2) Unity EMC Unity EMT Unity 6,325 0.575 7,379 0671 4,480 0,407 7,906 0.719 4,216 0383 5,798 0527 6,852 0.623 4,743 0,431 4,743 0,431 5,271 0,479 2,635 0240 3,162 0287 5,534 0.503 5,534 0.503 6,852 0623 9,223 0.838 2,899 0264 4,480 0,407 6,325 0575 5,534 0.503 5,534 0.503 4,216 0383 7,379 0671 3,162 0.287 3,162 0.287 MEAN 0,485 MEDIAN 0.503 STD DEV 0.154 MAX 0838 MIN 0240

Ik1JctIt BSI EP/BP SURVEY REPORT Pipe ID PPH 109 Survey Location PPH RM 8, FD 8-1 See Survey Sheets Survey Date 2350-1 # 203438 Survey Time See Survey Sheets Detector-Sled # LVS1-101 4" Pipe Size Detector Efficiency 0.00039 Pipe Area Incorporated by Detector Efficiency (in cm2) 1.10E+04 DCGL (dpm/l00cm2) 973 Pipe Area Incorporated by 0.6 Field BKG (cpm) See Survey Sheets Survev Data Im'l Routine Survey X Field MDCR (cpm) See Survey Sheets QA Survey Nominal MDC Idpm/l00cm2) 2,366 Survey Measurement Results Total Number of Survey lVIeasurements 6 Number of Measurements >MDC 6 Number of Measurements Above 50% DCGL 3 Number of Measurements Above DCGL 0 Mean 0.479 Median 0.455 Standard Deviation 0.160 Maximum 0.719 Minimum 0.287 PHELPS Survey Technician(s) Survey Unit Classification 1 TBD 06-004 Piping Group 1 SR-13 Radionuclide Distribution Sample EP 3-7 Measured Nuclide Co-60 Area Factor/EMC Used No Pass/Fail FSS Pass MREMIYR Contribution <25 COMMENTS: ACTIVITY VALUES NOT BACKGROUND CORRECTED. RP Engineer I Date 4A/J/~-2 -V <f

ACTIVITY WORKSHEET FD 8-1

f:l:-

c: QI E QI ~

l f/l lU QI 1

gcpm 21 ncpm 21 Co-GO activity (total dpm) 53,846 2 15 15 38,462 3 17 17 43,590 4 5 6 12 30 25 12 30 25 30,769 76,923 64,103 Co-GO activity (dpm/100cm2) Unity EMC Unity EMT Unity 5,534 0_503 3,953 0_359 4,480 OA07 3,162 0_287 7,906 0.719 6,588 0.599 MEAN OA79 MEDIAN OA55 STD DEV 0.160 MAX 0.719 MIN 0.287

SECTION? ATTACHMENT 2 30 PAGES

BSIILVSPipeCrawler-002 Revision 5 Pipe Interior Radiological Survey Form Date: 3-()' O~ Time: 1310 )( (~ Pipe ID#: PPH Co-of Pipe Diameter: Access Point Area: pro/2fY1 ( Building: pPR Elevation: D System:

'f-lQ...L-Type of Survey Investigation Characterization__ Final Survey 2<l Other v Gross Co60

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