ML22089A223

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GEH Annual Shutdown Reactor Reports for the Year 2021
ML22089A223
Person / Time
Site: Vallecitos Nuclear Center, Vallecitos
Issue date: 03/25/2022
From: Feyrer M
GE Hitachi Nuclear Energy
To:
Document Control Desk, Office of Nuclear Material Safety and Safeguards
References
M220053
Download: ML22089A223 (36)


Text













M220053 March 25, 2022 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, D. C. 20555-001

Subject:

GEH Annual Shutdown Reactor Reports for the Year 2021

Reference:

License DPR-1, Docket 50-18 (VBWR), License DR-10, Docket 50-183 (EVESR), License TR-1, Docket 50-70 (GETR)

Enclosed are the 2022 Annual Reports for the deactivated Reactors (Vallecitos Boiling Water Reactor (VBWR), ESADA-Vallecitos Experimental Superheat Reactor (EVESR),

and the General Electric Test Reactor (GETR)} located at the GE Hitachi, Vallecitos Nuclear Center near Sunol, California.

If there are any questions or additional information required, please contact me at the number above.

Sincerely, Matt Feyrer, Site Manager Vallecitos Nuclear Center

Enclosures:

VBWR Annual Report No. 57 EVESR Annual Report No. 54 GETR Annual Report No. 63 cc: NRC Region IV Administrator J. Parrott, NRC NMSS MJF 22-001





GEHitachiNuclearEnergy



MattJ.Feyrer

SiteManager,

VallecitosNuclearCenter



6705VallecitosRd

Sunol,CA94586

USA



T9259186018

Matt.feyrer@ge.cm

Matt Feyrer Digitally signed by Matt Feyrer DN: cn=Matt Feyrer gn=Matt Feyrer c=US United States l=US United States o=Vallecitos Nuclear Center ou=VNC e=matt.feyrer@ge.com Reason: Document Approver Location:

Date: 2022-03-28 05:05-07:00





























Enclosures





VBWRAnnualReportNo.57



EVESRAnnualReportNo.54



GETRAnnualReportNo.63





















GEHitachiNuclearEnergy





VallecitosNuclearCenter



Sunol,California













VALLECITOSBOILINGWATERREACTOR

(DEACTIVATED)













ANNUALREPORTNO.57

FORTHEYEAR2021











LICENSEDPR1

DOCKET5018











MARCH2022



















VBWRAnnualReportNo.57



Page1of2





VallecitosBoilingWaterReactor

(Deactivated)

AnnualReportNo.57

GEHitachiNuclearEnergyhasmaintainedtheVallecitosBoilingWaterReactor(VBWR)ina

deactivatedstatusundertheauthorityofAmendmentNo.21toLicenseDPR1,Docket5018,

issuedOct22,2007.Inthisannualreport,asummaryofthestatusofthefacilityfortheperiod

ofJanuary1,2021,toDecember31,2021,ispresented,asrequiredbyparagraph5.d.2ofthe

license.

1.0

SUMMARY



Allreactorsystemshavebeenremovedfromthecontainmentexceptforthereactorvessel.

Thewaterlevelwithinthereactorvesselwasmonitoredandhasremainedessentiallyconstant

throughoutthereportperiod.

Structuralconditionsandradiationandcontaminationlevelsremainatacceptablelevels.

Environmentaldataismaintainedonsiteandavailableforreview.

2.0STATUSOFFACILITY

Inaccordancewithwrittenprocedures,theFacilityManagercontrolsaccesstothecontainment

buildingandgeneralsystems.Thefacilitycontinuestobeindeactivatedstatusinsafestorage

condition.

3.0ROUTINEPATROLS

Thefacilitywasinspectedweekly,quarterly,andannuallyinaccordancewithwrittenstation

procedures.

Patrolsidentifiedthefollowing:

x UnchangedEfflorescenceonthebasementwallsandfloor.

x UnchangedSpallingofconcrete,corrosionstainsandrebarcorrosionontheBasement

PumpFoundationpedestal.

x Seepageofwaterintothebasementborelocation.



Theseconditionshavebeenevaluated,posenothreattostructuralintegrity,andarebeing

monitored.Thestructuralconditionofthefacilityisbeingactivelymonitoredandisstructurally

soundtoensuremaximumprotectionforpublichealthandsafety.

VBWRAnnualReportNo.57



Page2of2 4.0RADIATIONANDCONTAMINATION

Completeradiationandcontaminationsurveysofthefacilityindicatethatlevelsremainlow.

Resultsofthesurveysarepresentedinattachment1.Airsamplingresultsarepresentedin

attachment2.Theradiation/contaminationlevelslistedarerepresentativebutnotnecessarily

maximumvalues.

AnalyticalresultsofgroundwatersamplesareavailableintheannualEnvironmentalReport

submittedonMarch9,2022.

5.0ACTIVITIES

Inspectionoftheinstalledgaugesshowednopropagationofconcretecracking.

Therewerenopreventiveorcorrectivemaintenanceactivitiesperformedhavingsafety

significanceduringthereportingperiod.

6.0ORGANIZATION

TheSiteManagerremainsM.J.Feyrer.TheVBWRFacilityManagerremainsK.P.Zanotto.The

Manager,RegulatoryComplianceandEHSremainsJ.Smyly.

7.0CONCLUSION

GEHitachiNuclearEnergyconcludesthatthedeactivatedVBWRisbeingmaintainedinasafe

shutdowncondition.Theinspections,accesscontrol,andadministrativelycontrolledactivities

ensuremaximumprotectionforthepublichealthandsafety.Theprocedureswillbecontinued

tomaintainthishighlevelofprotection.









GEHitachiNuclearEnergy

VallecitosOperations













M.J.Feyrer,ManagerVallecitosNuclearCenter

Matt Feyrer Digitally signed by Matt Feyrer DN: cn=Matt Feyrer gn=Matt Feyrer c=US United States l=US United States o=Vallecitos Nuclear Center ou=VNC e=matt.feyrer@ge.com Reason: Document Approver Location:

Date: 2022-03-28 05:01-07:00

VBWRAnnualSurvey



SurveyNumber:

D041









DateSurveyPerformed:September10,2021

DoseRateInstrument: RadEyeS/N33155





InstrumentCalibrationdate:June14,2021 





ContaminationSmearscountedon:TennelecXLBSystemA

Calibrationdate:May6,2021











SurveyPerformedby: SignatureonOriginalDocument 

SurveyReviewedby:

SignatureonOriginalDocument





ATTACHMENT1



GEHitachiVallecitosNuclearCenter

RadiologicalCountingLaboratory



Page1of1



ATTACHMENT1(surveydata)

VBWRContainmentSmearResults-2021AnnualSurvey



Instrument:

TennelecXLBSystemB



AnalyzedBy:

SignaturesonOriginal

Documentsonsite





SerialNo.:

29721



Signature:



CalibrationDate:

21Mar2021



Reviewed:



BetaEfficiency:

30.36%



BetaMDA:

22.6DPM/100cm2



AlphaEfficiency:

33.57%



AlphaMDA:

10.7DPM/100cm2



SampleDate:

9/10/2021



CountDate:

9/15/2021









Alpha

Beta

No.

Location

NCPM/100cm2

DPM/100cm2

NCPM/100cm2

DPM/100cm2

0

Blank

0

<MDA

2.42

<MDA

1

MainFloor

0

<MDA

8.42

27.7

2

MainFloor

0

<MDA

65.42

215

3

MainFloor

0

<MDA

38.42

127

4

MainFloor

0

<MDA

48.42

159

5

MainFloor

0.93

<MDA

44.42

146

6

MainFloor

0

<MDA

56.42

186

7

MainFloor

0

<MDA

74.42

245

8

MainFloor

0.93

<MDA

50.42

166

9

MainFloor

0

<MDA

113.42

374

10

MainFloor

0

<MDA

56.42

186

11

MainFloor

0

<MDA

36.42

120

12

Basement

0

<MDA

267.42

881

13

Basement

0

<MDA

1486.42

4900

14

Basement

0

<MDA

1669.42

5500

15

Basement

0

<MDA

527.42

1740

16

Basement

0

<MDA

403.42

1330

17

Basement

0.93

<MDA

423.42

1390

18

Basement

0

<MDA

1123.42

3700



ATTACHMENT2:AirSampleRadonCalculationsforVallecitosReactorAnnualInspection2020 Sample Reactor Location Sys. Volume(ml) ncpm uCi/ml ncpm uCi/ml ncpm uCi/ml ncpm uCi/ml VBWR FirstFloor B

2.83E+06 1308.63 6.20E10 3573.92 1.87E09 2201.833 1.04E09 6013.292 3.15E09 Basement B

2.83E+06 845.13 4.00E10 2048.72 1.07E09 3048.063 1.44E09 7388.956 3.87E09 FuelPool B

2.83E+06 1505.33 7.13E10 3970.82 2.08E09 2714.577 1.29E09 7160.621 3.75E09 EVESR FirstFloor B

2.83E+06 86.83 4.11E11 183.62 9.62E11 8927.885 4.23E09 18879.86 9.89E09 Basement B

2.83E+06 305.63 1.45E10 686.42 3.60E10 19536.83 9.26E09 43878.13 2.30E08 519'Level B

2.83E+06 244.53 1.16E10 572.32 3.00E10 19824.43 9.39E09 46398.87 2.43E08 GETR FirstFloor B

2.83E+06 1042.83 4.94E10 2731.22 1.43E09 2062.63 9.77E10 5402.123 2.83E09 Basement B

2.83E+06 2012.63 9.54E10 5080.82 2.66E09 5761.308 3.00E+00 14544.24 7.62E09 ThirdFloor B

2.83E+06 631.63 2.99E10 1470.82 7.71E10 2677.957 1.27E09 6235.917 3.27E09 36.00%

33.57%

33.19%

30.36%

2.22E+06 2.22E+06 7.99E+05 7.45E+05 7.37E+05 6.74E+05 Reactor Location DateSampled TimeOn TimeOff Minutes

sampled Sampling

Time

Factor Time

Counted Decay

Time Decay

Factor Minutes

Counted Count

Time

Factor VBWR FirstFloor 9/9/2021 7:45 8:05 20 1.248782 8:13 8

1.203025 10 1.11997 VBWR Basement 11/18/2021 8:42 9:02 20 1.248782 9:43 41 2.578741 10 1.11997 VBWR FuelPool 11/18/2021 8:17 8:37 20 1.248782 8:48 11 1.28937 10 1.11997 EVESR FirstFloor 9/14/2021 10:11 10:31 20 1.248782 14:08 217 73.51669 10 1.11997 EVESR Basement 9/14/2021 10:56 11:16 20 1.248782 14:29 193 45.70518 10 1.11997 EVESR 519'Level 9/14/2021 10:33 10:53 20 1.248782 14:18 205 57.96631 10 1.11997 GETR FirstFloor 9/9/2021 7:03 7:23 20 1.248782 7:38 15 1.414214 10 1.11997 GETR Basement 9/9/2021 10:38 10:58 20 1.248782 11:29 31 2.046748 10 1.11997 GETR ThirdFloor 9/9/2021 10:09 10:29 20 1.248782 11:17 48 3.031433 10 1.11997 Betacpm/uCi TennelecSystem"B"Efficiency&ConversionFactors AlphaEfficiency BetaEfficiency dpm/uCi Alphacpm/uCi Initial AtSamplingTime Alpha Beta Alpha Beta Alphacpm/uCi Betacpm/uCi TennelecSystem"A"Efficiency&ConversionFactors AlphaEfficiency BetaEfficiency dpm/uCi RadonDecayFactors RadonDecayFactor 1.683 3.607 1.803 1.978 2.863 4.240 102.820 63.923 81.072



GEHitachi 









GEHitachiNuclearEnergy





VallecitosNuclearCenter



VallecitosNuclearCenter



Sunol,California















ESADAVALLECITOSEXPERIMENTAL

SUPERHEATREACTOR

(DEACTIVATED)













ANNUALREPORTNO.54

FORTHEYEAR2021











LICENSEDR10

DOCKET50183











MARCH2022

EVESRAnnualReportNo.54



Page1of2 ESADAVallecitosExperimentalSuperheatReactor

(Deactivated)



ANNUALREPORTNO.54

GEHitachiNuclearEnergy(GEH)hasmaintainedtheESADAVallecitosExperimental

SuperheatReactor(EVESR)inadeactivatedstatusundertheauthorityofAmendment

No.7toLicenseDR10,Docket50183,issuedDecember1,2008.Inthisannualreport,

asummaryofthestatusofthefacilityfortheperiodofJanuary1,2021,toDecember

31,2021,ispresented,asrequiredbyAmendment7,AppendixA,Technical

Specifications,sectionC.1.

1.0

SUMMARY



Entryintothecontainmentbuildingwasmadeforroutineradiationsurveys,quarterly

patrols,annualstructuralinspections,andageneralexaminationofconditions

throughoutthebuilding.Inaccordancewithwrittenprocedures,theFacilityManager

controlsaccesstothecontainmentbuilding.

Structuralconditionsandradiationandcontaminationlevelsremainatacceptablelevels.Environmental

dataismaintainedonsiteandavailableforreview.



2.0STATUSOFFACILITY

Thefacilitycontinuestobeindeactivatedstatus.Theplugstothereactorvessel,head

storageshield,andthewoodencoveroverthefuelstoragepoolremaininplace.



3.0ROUTINEPATROLS

Thefacilitywasinspectedweekly,quarterly,andannuallyinaccordancewithwritten

stationprocedures.



Threeissueswereidentifiedduringtheannualinspection:

1. Loose,falleninsulationwasfoundaroundtheperimeterofthemainfloorof

EVESR.Theinsulationisnotastructuralcomponentanddidnotcontain

asbestos.

2. Corrosionwasidentifiedontheexposedrebarfloortieinextensionsthatare

visibleatmultiplelevelsofthefacility.Theseextensionsarenotstructural

components.

3. Minimalefflorescencewasidentifiedatafewlocations.Thisconditionwas

EVESRAnnualReportNo.54



Page2of2 evaluatedanddoesnotposeastructuralissue.



Thestructuralconditionofthefacilityremainsactivelymonitored,stableand

structurallysoundtoensuremaximumprotectionforpublichealthandsafety

4.0RADIATIONANDCONTAMINATION

Completeradiationandcontaminationsurveysofthefacilityindicatethatlevelsremain

low.Resultsofthesurveysarepresentedinattachment1.Airsamplingresultsare

presentedinattachment2.Theradiation/contaminationlevelslistedarerepresentative

butnotnecessarilymaximumvalues.



AnalyticalresultsofgroundwatersamplesareavailableintheannualEnvironmental

ReportsubmittedonMarch9,2022.

5.0ACTIVITIES

Routinepatrolsandinspectionswereconductedduringthisreportperiod.

Therewerenopreventiveorcorrectivemaintenanceactivitiesperformedhavingsafety

significanceduringthereportingperiod.



6.0ORGANIZATION

TheSiteManagerremainsM.J.Feyrer.TheEVESRFacilityManagerremainsK.P.

Zanotto.TheManager,RegulatoryComplianceandEHSremainsJ.Smyly.

7.0CONCLUSION

GEHitachiNuclearEnergyconcludesthatthedeactivatedESADAVallecitos

ExperimentalSuperheatReactorisbeingmaintainedinasafeshutdowncondition.The

inspections,accesscontrol,andadministrativelycontrolledactivitiesensuremaximum

protectionforthepublichealthandsafety.Theprocedureswillbecontinuedto

maintainthishighlevelofprotection.

GEHitachiNuclearEnergy

VallecitosOperations













M.J.Feyrer

ManagerVallecitosNuclearCenter

Matt Feyrer Digitally signed by Matt Feyrer DN: cn=Matt Feyrer gn=Matt Feyrer c=US United States l=US United States o=Vallecitos Nuclear Center ou=VNC e=matt.feyrer@ge.com Reason: Document Approver Location:

Date: 2022-03-28 05:02-07:00

EVESRAnnualSurvey



SurveyNumber:

D042









DateSurveyPerformed:September10,2021

DoseRateInstrument: RadEyeS/N33155





InstrumentCalibrationdate:June14,2021 





ContaminationSmearscountedon:TennelecXLBSystemA

Calibrationdate:May6,2021











SurveyPerformedby: SignatureonOriginalDocument 

SurveyReviewedby:

SignatureonOriginalDocument

























GEHitachiVallecitosNuclearCenter

RadiologicalCountingLaboratory



Page1of2



ATTACHMENT1(surveydata)

EVESRContainmentSmearResults-2021AnnualSurvey



Instrument:

TennelecXLBSystemB



AnalyzedBy:

SignaturesonOriginal

Documentsonsite





SerialNo.:

29721



Signature:



CalibrationDate:

21Mar2021



Reviewed:



BetaEfficiency:

30.36%



BetaMDA:

22.6DPM/100cm2



AlphaEfficiency:

33.57%



AlphaMDA:

10.7DPM/100cm2



SampleDate:

9/10/2021



CountDate:

9/15/2021









Alpha

Beta

No.

Location

NCPM/100cm2

DPM/100cm2

NCPM/100cm2

DPM/100cm2

0

Blank

0

<MDA

0

<MDA

1

549Level

0

<MDA

2.42

<MDA

2

549Level

0.93

<MDA

8.42

27.7

3

549Level

0

<MDA

6.42

<MDA

4

549Level

0.93

<MDA

35.42

117

5

549Level

0

<MDA

45.42

150

6

549Level

0

<MDA

13.42

44.2

7

549Level

0

<MDA

1.42

<MDA

8

549Level

0.93

<MDA

31.42

103

9

549Level

0

<MDA

53.42

176

10

549Level

1.93

<MDA

39.42

130

11

549Level

0

<MDA

15.42

50.8

12

549Level

0

<MDA

24.42

80.4

13

534Level

0

<MDA

34.42

113

14

534Level

0

<MDA

733.42

2420

15

534Level

0

<MDA

133.42

439

16

534Level

0

<MDA

147.42

486

17

534Level

0

<MDA

207.42

683

18

534Level

0.93

<MDA

83.42

275

19

534Level

0

<MDA

189.42

624

20

534Level

0.93

<MDA

94.42

311

21

519Level

0

<MDA

58.42

192

22

519Level

0

<MDA

22.42

73.8

23

519Level

0

<MDA

62.42

206

24

519Level

0

<MDA

67.42

222

25

519Level

0

<MDA

52.42

173

GEHitachiVallecitosNuclearCenter

RadiologicalCountingLaboratory



Page2of2







Alpha

Beta

No.

Location

NCPM/100cm2

DPM/100cm2

NCPM/100cm2

DPM/100cm2

26

519Level

0

<MDA

47.42

156

27

503Level

0

<MDA

246.42

812

28

503Level

0

<MDA

57.42

189

29

503Level

0

<MDA

108.42

357

30

503Level

0

<MDA

51.42

169

31

503Level

0

<MDA

122.42

403

32

503Level

0

<MDA

252.42

831

33

503Level

0.93

<MDA

142.42

469

34

503Level

0

<MDA

1250.42

4120

35

503Level

0.93

<MDA

155.42

512

36

503Level

0

<MDA

109.42

360

37

500Level

0.93

<MDA

1086.42

3580

38

503Level

0

<MDA

261.42

861

39

503Level

0

<MDA

148.42

489

40

487Level

0.93

<MDA

127.42

420

41

487Level

0

<MDA

393.42

1300

42

487Level

0.93

<MDA

76.42

252

43

487Level

0

<MDA

196.42

647

44

487Level

0.93

<MDA

311.42

1030

45

487Level

2.93

<MDA

357.42

1180



ATTACHMENT2:AirSampleRadonCalculationsforVallecitosReactorAnnualInspection2020 Sample Reactor Location Sys. Volume(ml) ncpm uCi/ml ncpm uCi/ml ncpm uCi/ml ncpm uCi/ml VBWR FirstFloor B

2.83E+06 1308.63 6.20E10 3573.92 1.87E09 2201.833 1.04E09 6013.292 3.15E09 Basement B

2.83E+06 845.13 4.00E10 2048.72 1.07E09 3048.063 1.44E09 7388.956 3.87E09 FuelPool B

2.83E+06 1505.33 7.13E10 3970.82 2.08E09 2714.577 1.29E09 7160.621 3.75E09 EVESR FirstFloor B

2.83E+06 86.83 4.11E11 183.62 9.62E11 8927.885 4.23E09 18879.86 9.89E09 Basement B

2.83E+06 305.63 1.45E10 686.42 3.60E10 19536.83 9.26E09 43878.13 2.30E08 519'Level B

2.83E+06 244.53 1.16E10 572.32 3.00E10 19824.43 9.39E09 46398.87 2.43E08 GETR FirstFloor B

2.83E+06 1042.83 4.94E10 2731.22 1.43E09 2062.63 9.77E10 5402.123 2.83E09 Basement B

2.83E+06 2012.63 9.54E10 5080.82 2.66E09 5761.308 3.00E+00 14544.24 7.62E09 ThirdFloor B

2.83E+06 631.63 2.99E10 1470.82 7.71E10 2677.957 1.27E09 6235.917 3.27E09 36.00%

33.57%

33.19%

30.36%

2.22E+06 2.22E+06 7.99E+05 7.45E+05 7.37E+05 6.74E+05 Reactor Location DateSampled TimeOn TimeOff Minutes

sampled Sampling

Time

Factor Time

Counted Decay

Time Decay

Factor Minutes

Counted Count

Time

Factor VBWR FirstFloor 9/9/2021 7:45 8:05 20 1.248782 8:13 8

1.203025 10 1.11997 VBWR Basement 11/18/2021 8:42 9:02 20 1.248782 9:43 41 2.578741 10 1.11997 VBWR FuelPool 11/18/2021 8:17 8:37 20 1.248782 8:48 11 1.28937 10 1.11997 EVESR FirstFloor 9/14/2021 10:11 10:31 20 1.248782 14:08 217 73.51669 10 1.11997 EVESR Basement 9/14/2021 10:56 11:16 20 1.248782 14:29 193 45.70518 10 1.11997 EVESR 519'Level 9/14/2021 10:33 10:53 20 1.248782 14:18 205 57.96631 10 1.11997 GETR FirstFloor 9/9/2021 7:03 7:23 20 1.248782 7:38 15 1.414214 10 1.11997 GETR Basement 9/9/2021 10:38 10:58 20 1.248782 11:29 31 2.046748 10 1.11997 GETR ThirdFloor 9/9/2021 10:09 10:29 20 1.248782 11:17 48 3.031433 10 1.11997 Betacpm/uCi TennelecSystem"B"Efficiency&ConversionFactors AlphaEfficiency BetaEfficiency dpm/uCi Alphacpm/uCi Initial AtSamplingTime Alpha Beta Alpha Beta Alphacpm/uCi Betacpm/uCi TennelecSystem"A"Efficiency&ConversionFactors AlphaEfficiency BetaEfficiency dpm/uCi RadonDecayFactors RadonDecayFactor 1.683 3.607 1.803 1.978 2.863 4.240 102.820 63.923 81.072





GEHitachiNuclearEnergy









VallecitosNuclearCenter



Sunol,California

















GENERALELECTRICTESTREACTOR

(DEACTIVATED)













ANNUALREPORTNO.63

FORTHEYEAR2021











LICENSETR1

DOCKET5070









MARCH2022

GETRAnnualReportNo.63







Page1of2

GeneralElectricTestReactor

(Deactivated)



ANNUALREPORTNO.63

GEHitachi(GEH)hasmaintainedtheGeneralElectricTestReactor(GETR)ina

deactivatedstatusundertheauthorityofAmendmentNo.17toLicenseTR1,Docket

5070,issuedOctober22,2007asspecifiedinTS6.6.1toAmendmentNo.14,issued

February5,1986.Inthisannualreport,asummaryofthestatusofthefacilityforthe

periodofJanuary1,2021toDecember31,2021ispresented.

1.0

SUMMARY



ThefacilityremainsinpredominatelythesameconditiondescribedinAnnualReport

No.62.Entryintothereactorbuildingwasmadeforroutineradiationsurveysanda

generalexaminationofconditionsthroughoutthebuilding.Thecrane,elevator,and

ventilationwereservicedandtestedin2011inanticipationofbeginningremediation

activities.Suchactivitieshavenotbegun.

Structuralconditionsandradiationandcontaminationlevelsremainatacceptable

levels.Environmentaldataismaintainedonsiteandavailableforreview.

2.0STATUSOFFACILITY

Inaccordancewithwrittenprocedures,theFacilityManagercontrolsaccesstothe

containmentbuildingandgeneralsystems.Thefacilitycontinuestobeindeactivated

status.TherewerenochangesauthorizedbytheFacilityManagerpursuantto

10CFR50.59(a)in2021.

3.0ROUTINEPATROLS

Thefacilitywasinspectedweekly,quarterly,andannuallyinaccordancewithwritten

stationprocedures.

Thepresenceofminimalefflorescencewasidentifiedonfacilitybasementwallsduring

theannualinspection.Thisconditionwasevaluatedanddeterminedtonotposea

structuralissue.

Thestructuralconditionofthefacilityremainsactivelymonitored,stableand

structurallysoundtoensuremaximumprotectionforpublichealthandsafety.

4.0RADIATIONANDCONTAMINATION

Completeradiationandcontaminationsurveysofthefacilityindicatethatlevelsremain

low.Resultsofthesurveysarepresentedinattachment1.Airsamplingresultsare

presentedinattachment2.Theradiation/contaminationlevelslistedarerepresentative

GETRAnnualReportNo.63







Page2of2

butnotnecessarilymaximumvalues.

4.1

GETRStack

Althoughmaintenancewasperformedonthestackin2011,andthestackwastested,

therehasbeennoremediationeffortperformedfortheGETRreactor.Theventilation

systemisoperational,butnotcurrentlyinuse.

4.2

GammaRadiation

Theyearlydoseresultsfortheyear2021asdeterminedfromevaluationofsite

perimeterenvironmentalmonitoringdosimetersshowednodeparturefromnormal

stablebackgrounds.

4.3

Vegetation

Noalpha,betaorgammaactivityattributabletoactivitiesattheGETRfacilitywasfound

onorinvegetationinthevicinityofthesite.

4.4

GroundWaterMonitoringWellData

AnalyticalresultsofgroundwatersamplescanbefoundintheannualEnvironmental

ReportsubmittedonMarch9,2022.

5.0ACTIVITIES

Inspectionoftheinstalledgaugesshowednopropagationofconcretecracking.

Therewerenopreventiveorcorrectivemaintenanceactivitiesperformedhavingsafety

significanceduringthereportingperiod.

6.0ORGANIZATION

TheSiteManagerremainsM.J.Feyrer.TheGETRFacilityManagerremainsK.P.

Zanotto.TheManager,RegulatoryComplianceandEHSremainsJ.Smyly.

7.0CONCLUSION

GEHitachiNuclearEnergyconcludesthatthedeactivatedGETRisbeingmaintainedina

safeshutdowncondition.Theinspections,accesscontrol,andadministratively

controlledactivitiesensuremaximumprotectionforthepublichealthandsafety.The

procedureswillbecontinuedtomaintainthishighlevelofprotection.





GEHitachiNuclearEnergy

VallecitosOperations









M.J.Feyrer,ManagerVallecitosNuclearCenter

Matt Feyrer Digitally signed by Matt Feyrer DN: cn=Matt Feyrer gn=Matt Feyrer c=US United States l=US United States o=Vallecitos Nuclear Center ou=VNC e=matt.feyrer@ge.com Reason: Document Approver Location:

Date: 2022-03-28 05:03-07:00

GETRAnnualSurvey



SurveyNumber:

C024









DateSurveyPerformed:July28,2021 



DoseRateInstrument: RadEyeS/N33155 





InstrumentCalibrationdate:June14,2021 





ContaminationSmearscountedon:TennelecXLBSystemA

Calibrationdate:May6,2021











SurveyPerformedby: SignatureonOriginalDocument 



SurveyReviewedby:

SignatureonOriginalDocument 





















GEHitachiVallecitosNuclearCenter

RadiologicalCountingLaboratory



Page1of3



ATTACHMENT1(surveydata)

GETRContainmentAnnualSurveyDiskSmearResults-2021



Instrument:

TennelecXLBSystemB



AnalyzedBy:

SignaturesonOriginal

Documentsonsite





SerialNo.:

29721



Signature:



CalibrationDate:

21Mar2021



Reviewed:



BetaEfficiency:

30.36%



BetaMDA:

22.6DPM/100cm2



AlphaEfficiency:

33.93%



AlphaMDA:

10.6DPM/100cm2



SampleDate:

7/28/2021



CountDate:

7/29/2021









Alpha

Beta

No.

Location

NCPM/100cm2 DPM/100cm2 NCPM/100cm2 DPM/100cm2

0

Blank

0

<MDA

0

<MDA

1

Basement#1

0

<MDA

26.42

87.0

2

Basement#2

0

<MDA

347.42

1140

3

Basement#3

0

<MDA

49.42

163

4

Basement#4

0

<MDA

31.42

103

5

Basement#5

0

<MDA

36.42

120

6

Basement#6

0

<MDA

40.42

133

7

Basement#7

0.93

<MDA

69.42

229

8

Basement#8

0

<MDA

79.42

262

9

Basement#9

0

<MDA

20.42

67.3

10

Basement#10

0

<MDA

175.42

578

11

Basement#11

0.93

<MDA

15.42

50.8

12

Basement#12

0

<MDA

52.42

173

13

Basement#13

0

<MDA

32.42

107

14

Basement#14

0

<MDA

59.42

196

15

Basement#15

0

<MDA

52.42

173

16

Basement#16

0

<MDA

246.42

812

17

Basement#17

0

<MDA

13.42

44.2

18

Basement#18

0

<MDA

145.42

479

19

FirstFloor#1

1.93

<MDA

0

<MDA

20

FirstFloor#2

0

<MDA

0.42

<MDA

21

FirstFloor#3

0

<MDA

6.42

<MDA

22

FirstFloor#4

0

<MDA

7.42

24.4

23

FirstFloor#5

0

<MDA

17.42

57.4

24

FirstFloor#6

0

<MDA

4.42

<MDA

25

FirstFloor#7

0

<MDA

2.42

<MDA

GEHitachiVallecitosNuclearCenter

RadiologicalCountingLaboratory



Page2of3







Alpha

Beta

No.

Location

NCPM/100cm2 DPM/100cm2 NCPM/100cm2 DPM/100cm2

26

FirstFloor#8

0

<MDA

19.42

64.0

27

FirstFloor#9

0

<MDA

45.42

150

28

FirstFloor#10

0

<MDA

41.42

136

29

FirstFloor#11

0

<MDA

131.42

433

30

FirstFloor#12

0

<MDA

341.42

1120

31

SecondFloor#1

0.93

<MDA

17.42

57.4

32

SecondFloor#2

0.93

<MDA

19.42

64.0

33

SecondFloor#3

0

<MDA

16.42

54.1

34

SecondFloor#4

0

<MDA

24.42

80.4

35

SecondFloor#5

0

<MDA

65.42

215

36

SecondFloor#6

0.93

<MDA

20.42

67.3

37

SecondFloor#7

0

<MDA

17.42

57.4

38

SecondFloor#8

0

<MDA

21.42

70.6

39

SecondFloor#9

0

<MDA

1.42

<MDA

40

SecondFloor#10

0

<MDA

26.42

87.0

41

SecondFloor#11

0

<MDA

184.42

607

42

SecondFloor#12

0

<MDA

26.42

87.0

43

Mezzanine#1

0

<MDA

8.42

27.7

44

Mezzanine#2

0

<MDA

9.42

31.0

45

Mezzanine#3

0

<MDA

11.42

37.6

46

Mezzanine#4

0.93

<MDA

14.42

47.5

47

Mezzanine#5

0.93

<MDA

54.42

179

48

Mezzanine#6

0

<MDA

16.42

54.1

49

ThirdFloor#1

0

<MDA

42.42

140

50

ThirdFloor#2

0

<MDA

67.42

222

51

ThirdFloor#3

0

<MDA

212.42

700

52

ThirdFloor#4

0

<MDA

90.42

298

53

ThirdFloor#5

0.93

<MDA

126.42

416

54

ThirdFloor#6

0.93

<MDA

181.42

598

55

ThirdFloor#7

0.93

<MDA

851.42

2800

56

ThirdFloor#8

0

<MDA

223.42

736

57

ThirdFloor#9

1.93

<MDA

165.42

545

58

ThirdFloor#10

0

<MDA

730.42

2410

59

ThirdFloor#11

0

<MDA

609.42

2010

60

ThirdFloor#12

3.93

11.6

1661.42

5470

61

ThirdFloor#13

1.93

<MDA

64.42

212

62

ThirdFloor#14

0.93

<MDA

64.42

212

GEHitachiVallecitosNuclearCenter

RadiologicalCountingLaboratory



Page3of3







Alpha

Beta

No.

Location

NCPM/100cm2 DPM/100cm2 NCPM/100cm2 DPM/100cm2

63

ThirdFloor#15

0

<MDA

2721.42

8960

64

ThirdFloor#16

0

<MDA

926.42

3050

65

ThirdFloor#17

0

<MDA

164.42

542

66

ThirdFloor#18

1.93

<MDA

437.42

1440

67

ThirdFloor#19

0

<MDA

705.42

2320



ATTACHMENT2:AirSampleRadonCalculationsforVallecitosReactorAnnualInspection2020 Sample Reactor Location Sys. Volume(ml) ncpm uCi/ml ncpm uCi/ml ncpm uCi/ml ncpm uCi/ml VBWR FirstFloor B

2.83E+06 1308.63 6.20E10 3573.92 1.87E09 2201.833 1.04E09 6013.292 3.15E09 Basement B

2.83E+06 845.13 4.00E10 2048.72 1.07E09 3048.063 1.44E09 7388.956 3.87E09 FuelPool B

2.83E+06 1505.33 7.13E10 3970.82 2.08E09 2714.577 1.29E09 7160.621 3.75E09 EVESR FirstFloor B

2.83E+06 86.83 4.11E11 183.62 9.62E11 8927.885 4.23E09 18879.86 9.89E09 Basement B

2.83E+06 305.63 1.45E10 686.42 3.60E10 19536.83 9.26E09 43878.13 2.30E08 519'Level B

2.83E+06 244.53 1.16E10 572.32 3.00E10 19824.43 9.39E09 46398.87 2.43E08 GETR FirstFloor B

2.83E+06 1042.83 4.94E10 2731.22 1.43E09 2062.63 9.77E10 5402.123 2.83E09 Basement B

2.83E+06 2012.63 9.54E10 5080.82 2.66E09 5761.308 3.00E+00 14544.24 7.62E09 ThirdFloor B

2.83E+06 631.63 2.99E10 1470.82 7.71E10 2677.957 1.27E09 6235.917 3.27E09 36.00%

33.57%

33.19%

30.36%

2.22E+06 2.22E+06 7.99E+05 7.45E+05 7.37E+05 6.74E+05 Reactor Location DateSampled TimeOn TimeOff Minutes

sampled Sampling

Time

Factor Time

Counted Decay

Time Decay

Factor Minutes

Counted Count

Time

Factor VBWR FirstFloor 9/9/2021 7:45 8:05 20 1.248782 8:13 8

1.203025 10 1.11997 VBWR Basement 11/18/2021 8:42 9:02 20 1.248782 9:43 41 2.578741 10 1.11997 VBWR FuelPool 11/18/2021 8:17 8:37 20 1.248782 8:48 11 1.28937 10 1.11997 EVESR FirstFloor 9/14/2021 10:11 10:31 20 1.248782 14:08 217 73.51669 10 1.11997 EVESR Basement 9/14/2021 10:56 11:16 20 1.248782 14:29 193 45.70518 10 1.11997 EVESR 519'Level 9/14/2021 10:33 10:53 20 1.248782 14:18 205 57.96631 10 1.11997 GETR FirstFloor 9/9/2021 7:03 7:23 20 1.248782 7:38 15 1.414214 10 1.11997 GETR Basement 9/9/2021 10:38 10:58 20 1.248782 11:29 31 2.046748 10 1.11997 GETR ThirdFloor 9/9/2021 10:09 10:29 20 1.248782 11:17 48 3.031433 10 1.11997 Betacpm/uCi TennelecSystem"B"Efficiency&ConversionFactors AlphaEfficiency BetaEfficiency dpm/uCi Alphacpm/uCi Initial AtSamplingTime Alpha Beta Alpha Beta Alphacpm/uCi Betacpm/uCi TennelecSystem"A"Efficiency&ConversionFactors AlphaEfficiency BetaEfficiency dpm/uCi RadonDecayFactors RadonDecayFactor 1.683 3.607 1.803 1.978 2.863 4.240 102.820 63.923 81.072