ML23083B340

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GEH Annual Shutdown Reactor Reports for the Year 2022
ML23083B340
Person / Time
Site: Vallecitos, Vallecitos Nuclear Center
Issue date: 03/24/2023
From: Pedley C
GE Hitachi Nuclear Energy
To:
Office of Nuclear Material Safety and Safeguards, Document Control Desk
References
M230039
Download: ML23083B340 (1)
v • d • e


Text









  • HITACHI 

GEHitachiNuclearEnergy



 CharlesPedley

SiteManager,

VallecitosNuclearCenter



M230039 6705VallecitosRd

Sunol,CA94586

USA

March 24, 2023 

T9255238101

U.S. Nuclear Regulatory Commission Charles.Pedley@ge.com

Attn: Document Control Desk Washington, D. C. 20555-001

Subject:

GEH Annual Shutdown Reactor Reports for the Year 2022

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 2023 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, Digitally signed by CHARLES PEDLEY CHARLES PEDLEY DN: cn=CHARLES PEDLEY c=US l=7249af3244cf2daca5eb6a8620187dbce5b61cd7 o=MyApps e=223062202@ge.com Reason: I am approving this document Location:

Date: 2023-03-23 10:37-07:00 Charles Pedley, Site Manager Vallecitos Nuclear Center

Enclosures:

VBWR Annual Report No. 58 EVESR Annual Report No. 55 GETR Annual Report No. 64 cc: NRC Region IV Administrator J. Parrott, NRC NMSS CP 23-006

 

























Enclosures





VBWRAnnualReportNo.58



EVESRAnnualReportNo.55



GETRAnnualReportNo.64





















 

  • HITACHI GEHitachiNuclearEnergy



 VallecitosNuclearCenter

 Sunol,California













VALLECITOSBOILINGWATERREACTOR

(DEACTIVATED)













ANNUALREPORTNO.58

FORTHEYEAR2022











LICENSEDPR1

DOCKET5018











MARCH2023



















VBWRAnnualReportNo.58



VallecitosBoilingWaterReactor

(Deactivated)

AnnualReportNo.58

GEHitachiNuclearEnergyhasmaintainedtheVallecitosBoilingWaterReactor(VBWR)ina

deactivatedstatusundertheauthorityofAmendmentNo.21toLicenseDPR1,Docket5018,

issuedOct22,2007.Inthisannualreport,asummaryofthestatusofthefacilityfortheperiod

ofJanuary1,2022,toDecember31,2022,ispresented,asrequiredbyparagraph5.d.2ofthe

license.

1.0

SUMMARY



Allreactorsystemshavebeenremovedfromthecontainmentexceptforthereactorvessel.

ThewaterfromthevesselwasremovedandtransferredtotheWasteEvaporatorPlant(WEP)

onJanuaryandNovember2022usingChangeAuthorizationCA202202,VBWRVesselEntry,

WaterRemovalandInspection/Survey,approvedon1/20/2022.

TheladderthatleadstothebasementwasreplacedwithstairsusingChangeAuthorization

202203,StairInstallationinVBWRLowerLevel,approvedonJune6,2022.

AsbestosandLeadabatementworkwascompletedincontainmentonOctoberandNovember

2022,usingCA202204,AsbestosandLeadabatement,approvedonJune29,2022.

Structuralconditionsandradiationandcontaminationlevelsremainatacceptablelevels.

Environmentaldataismaintainedonsiteandavailableforreview.

2.0STATUSOFFACILITY

Inaccordancewithwrittenprocedures,theFacilityManagercontrolsaccesstothecontainment

buildingandgeneralsystems.Thefacilitycontinuestobeindeactivatedstatusinsafestorage

condition.

3.0ROUTINEPATROLS

Thefacilitywasinspectedweekly,quarterly,andannuallyinaccordancewithwrittenstation

procedures.

Patrolsidentifiedthefollowing:

x UnchangedEfflorescenceonthebasementwallsandfloor.

x UnchangedSpallingofconcrete,corrosionstainsandrebarcorrosionontheBasement

PumpFoundationpedestal.

x UnchangedSeepageofwaterintothebasementborelocation.

Page1of2

VBWRAnnualReportNo.58





Theseconditionshavebeenevaluated,posenothreattostructuralintegrity,andarebeing

monitored.Thestructuralconditionofthefacilityisbeingactivelymonitoredandisstructurally

soundtoensuremaximumprotectionforpublichealthandsafety.

4.0RADIATIONANDCONTAMINATION

Completeradiationandcontaminationsurveysofthefacilityindicatethatlevelsremainlow.

Resultsofthesurveysarepresentedinattachment1.Airsamplingresultsarepresentedin

attachment2.Theradiation/contaminationlevelslistedarerepresentativebutnotnecessarily

maximumvalues.

AnalyticalresultsofgroundwatersamplesareavailableintheAnnualEnvironmentalReport

submittedonMarch2,2023.

5.0ACTIVITIES

Inspectionoftheinstalledgaugesshowednopropagationofconcretecracking.

Therewerenopreventiveorcorrectivemaintenanceactivitiesperformedhavingsafety

significanceduringthereportingperiod.

6.0ORGANIZATION

TheSiteManagerisC.Pedley.TheVBWRFacilityManagerisJ.G.Ayala.TheManager,

RegulatoryComplianceandEHSremainsJ.Smyly.

7.0CONCLUSION

GEHitachiNuclearEnergyconcludesthatthedeactivatedVBWRisbeingmaintainedinasafe

shutdowncondition.Theinspections,accesscontrol,andadministrativelycontrolledactivities

ensuremaximumprotectionforthepublichealthandsafety.Theprocedureswillbecontinued

tomaintainthishighlevelofprotection.



GEHitachiNuclearEnergy

VallecitosOperations



 Digitally signed by CHARLES PEDLEY

CHARLES l=7249af3244cf2daca5eb6a8620187dbce5 DN: cn=CHARLES PEDLEY c=US b61cd7 o=MyApps e=223062202@ge.com

PEDLEY Reason: I am approving this document Location:

Date: 2023-03-23 10:38-07:00

 

C.Pedley,ManagerVallecitosNuclearCenter

Page2of2

VBWRANNUALSURVEY

VBWRSurveys Contamination DoseRates

SurveyID RS2022010072 D142

RS2022010073

SurveyDate(s) 5/26/2022 12/07/2022

Surveyor A.Flk M.Arnerich(signatureonoriginal)

S.Peterson

J.Hatfield

Instrument Ludlum2929 RadEye

InstrumentS/N 110575 33155 33155

CalibrationDueDate 9/15/2022 I- 1/18/2023 7/14/2023





ATTACHMENT1



EVESR & VBWR SITE MAP



Survey No. 0-142 Date: 12/07/22 Surveyor(s)

VBWR MAIN FLOOR Name & Signature on Original Document Smear Data taken 5/26/22 (see RSR2022-01-0072)

Page 1 of 2 0.050 0 .094 0.048 MACH INERY HATCH

@) Q)

EAM~

GENERA~OR HATCH

\

Q.ll.22.

~

0.032 0.033 ap Legend 0 Smear Locati on (100cm 2 )

Contact Dose Rate in 0 mR/hr All field dose rates in mR/hr





Survey No. D-142 Date: 12/07/22 Surveyor(s)

Name & Signature on Original VBWR BASEMENT AREA Document Smear Data taken 5/ 26/22 (see RSR2022-01-0073)

Page 2 of 2 0

SLANTED W/\ll 0 . 313 0.123 G

SLANTED WALL Map Legend 0 Smear Location (100cm 2 )

Contact Dose Rate in 0 mR/hr All fi eld dose rates in mR{hr





VBWR Contamination Results IIMdm' laell remnll DIiie VBWR BSMT 1 <MDA < MDA RSR2022-01-0073 5/26/2022 VBWR BSMT 2 570 < MDA RSR2022-01-0073 5/26/2022 VBWR BSMT 3 1406 <MDA RSR2022-01-0073 5/26/2022 VBWR BSMT 4 6129 < MDA RSR2022-01-0073 5/26/2022 VBWR BSMT 5 <MDA < MDA RSR2022-01-0073 5/26/2022 VBWR BSMT 6 <MDA < MDA RSR2022-01-0073 5/26/2022 VBWR Main 7 <MDA < MDA RSR2022-01-0072 5/26/2022 VBWR Main 8 <MDA < MDA RSR2022-0 1-0072 5/26/2022 VBWR Main 9 <MDA < MDA RSR2022-01-0072 5/26/2022 VBWR Main 10 <MDA < MDA RSR2022-0 1-0072 5/26/2022 VBWR Main 11 <MDA < MDA RSR2022-01-0072 5/26/2022 VBWR Main 12 <MDA < MDA RSR2022-0l-0072 5/26/2022 VBWR Main 13 <MDA < MDA RSR2022-01-0072 5/26/2022







Air Sample Data for VNC Reactor Annual Inspection At Sample Time After Radon Decay After Radon Decay Reactor Location Date Alpha (uCi/ml) Beta (uCi/ml) Alpha (uCi/ml) Beta (uCi/ml) Alpha (DAC) Beta (DAC)

Main Floor 8/25/2022 8.51E-10 2.15E-09 l.37E-14 8.64E-13 0.005 0.000 VBWR Basement 9/21/2022 4.78E-10 l.58E -09 3.21E-14 3.07E-12 0.011 0.002 Fuel Pool 9/21/2022 3.22E-10 l.17E-09 7.78E-14 l.37E-12 0.026 0.001 Main Floor 11/29/2022 2.93 E-09 8.88E-09 l.69E-13 2.64E-12 0.056 0.001 EVESR Basement 11/29/2022 4.21 E-09 l.12E-08 0.00E+00 5.94E-12 0.000 0.003 519' Level 11/29/2022 3.60E-09 l.05E-08 7.78 E-14 6.95 E-1 2 0.026 0.003 Main Floor 11/15/2022 l.53E-10 4.23E -10 2.36E-14 l.35E-12 0.008 0.001 GETR Basement 11/15/2022 l.95E-10 5.44E -10 0.00E+00 l.12E-12 0.000 0.001 Third Floor 11/15/2022 2.16E-10 5.84E-10 l.14E-13 7.65E-13 0.Q38 0.000







 

  • HITACHI

 GEHitachi    

 GEHitachiNuclearEnergy



 Vallecitos

NuclearCenter

 VallecitosNuclearCenter

 Sunol,California















ESADAVALLECITOSEXPERIMENTAL

SUPERHEATREACTOR

(DEACTIVATED)













ANNUALREPORTNO.55

FORTHEYEAR2022











LICENSEDR10

DOCKET50183











MARCH2023

EVESRAnnualReportNo.55



ESADAVallecitosExperimentalSuperheatReactor

(Deactivated)



ANNUALREPORTNO.55

GEHitachiNuclearEnergy(GEH)hasmaintainedtheESADAVallecitosExperimentalSuperheat

Reactor(EVESR)inadeactivatedstatusundertheauthorityofAmendmentNo.7toLicenseDR 10,Docket50183,issuedDecember1,2008.Inthisannualreport,asummaryofthestatusof

thefacilityfortheperiodofJanuary1,2022,toDecember31,2022,ispresented,asrequiredby

Amendment7,AppendixA,TechnicalSpecifications,sectionC.1.

1.0

SUMMARY



Entryintothecontainmentbuildingwasmadeforroutineradiationsurveys,quarterlypatrols,

annualstructuralinspections,andageneralexaminationofconditionsthroughoutthebuilding.

Inaccordancewithwrittenprocedures,theFacilityManagercontrolsaccesstothecontainment

building.

Structuralconditionsandradiationandcontaminationlevelsremainatacceptablelevels.

Environmentaldataismaintainedonsiteandavailableforreview.

2.0STATUSOFFACILITY

Inaccordancewithwrittenprocedures,theFacilityManagercontrolsaccesstothecontainment

buildingandgeneralsystems.Thefacilitycontinuestobeindeactivatedstatus.Theplugstothe

reactorvessel,headstorageshield,andthewoodencoveroverthefuelstoragepoolremainin

place.

3.0ROUTINEPATROLS

Thefacilitywasinspectedweekly,quarterly,andannuallyinaccordancewithwrittenstation

procedures.



Threeissueswereidentifiedduringtheannualinspection:

1. Loose,falleninsulationwasfoundaroundtheperimeterofthemainfloorofEVESR.The

insulationisnotastructuralcomponentanddidnotcontainasbestos.

2. Corrosionwasidentifiedontheexposedrebarfloortieinextensionsthatarevisibleat

multiplelevelsofthefacility.Theseextensionsarenotstructuralcomponents.

3. Minimalefflorescencewasidentifiedatafewlocations.Thisconditionwasevaluatedand

doesnotposeastructuralissue.



Page1of2

EVESRAnnualReportNo.55



Thestructuralconditionofthefacilityremainsactivelymonitored,stableandstructurallysound

toensuremaximumprotectionforpublichealthandsafety.

4.0RADIATIONANDCONTAMINATION

Completeradiationandcontaminationsurveysofthefacilityindicatethatlevelsremainlow.

Resultsofthesurveysarepresentedinattachment1.Airsamplingresultsarepresentedin

attachment2.Theradiation/contaminationlevelslistedarerepresentativebutnotnecessarily

maximumvalues.



AnalyticalresultsofgroundwatersamplesareavailableintheAnnualEnvironmentalReport

submittedonMarch2,2023.

5.0ACTIVITIES

Routinepatrolsandinspectionswereconductedduringthisreportperiod.

Therewerenopreventiveorcorrectivemaintenanceactivitiesperformedhavingsafety

significanceduringthereportingperiod.

6.0ORGANIZATION

TheSiteManagerisC.Pedley.TheEVESRFacilityManagerisJ.G.Ayala.TheManager,

RegulatoryComplianceandEHSremainsJ.Smyly.

7.0CONCLUSION

GEHitachiNuclearEnergyconcludesthatthedeactivatedESADAVallecitosExperimental

SuperheatReactorisbeingmaintainedinasafeshutdowncondition.Theinspections,access

control,andadministrativelycontrolledactivitiesensuremaximumprotectionforthepublic

healthandsafety.Theprocedureswillbecontinuedtomaintainthishighlevelofprotection.



GEHitachiNuclearEnergy

VallecitosOperations



 Digitally signed by CHARLES PEDLEY

 CHARLES DN: cn=CHARLES PEDLEY c=US l=7249af3244cf2daca5eb6a8620187dbce5b6 1cd7 o=MyApps e=223062202@ge.com

 PEDLEY Reason: I am approving this document Location:

Date: 2023-03-23 10:39-07:00

 

C.Pedley,ManagerVallecitosNuclearCenter

Page2of2

EVESRANNUALSURVEY

EVESRSurveys Contamination DoseRates

SurveyID RS2022010061 D144

RS2022010062

RS2022010064

RS2022010065

RS2022010066

SurveyDate(s) 5/19/20225/25/2022 12/12/2022

Surveyor T.Lopez(signatureonoriginals) M.Arnerich(signatureonoriginal)

Instrument Ludlum2929 RadEye



InstrumentS/N

CalibrationDueDate

110575

9/15/2022 --1 33155

1/18/2023

33155

7/14/2023



EVESR & VBWR SITE MAP

Survey No. D-144 Date: 12/12/22 Surveyor(s)

Name & Signature on Original Document EVESR 549' LEVEL Smear Data taken 5/19/22 (see RSR2022-01-0065)

Page 1 of6



0.057 ESCAPE 28 HATCH 0 0.029 0.016 0 .011 0.012 EQUIPMENT Map Legend HATCH Q Smear Location (100cm 2)

All field dose rates in mR/hr 

Survey No. D-144 Date: 12/12/ 22 Surveyor(s)

Name & Signatu re on Original Docum ent EVESR 534' LEVEL Smear Data t aken 5/25/22 (see RSR2022-0 l -0066)

Page 2 of 6



)0 DRAIN 0.276 0 V),,l{_E

~

l><J VALVE Map Legend Smea r Locati on (100cm 2 )

0 Conta ct Dose Rate in 0 mR/hr All fie ld dose rates in mR/hr



Survey No. D-144 Date: 12/ 12/22 Surveyor(s)

Name & Signature on Original Document EVESR 519' LEVEL Smear Data taken 5/24/ 22 (see RSR2022-01-0061)

Page 3 of6



8 0.022 Map Legend Q Smea r Location (100cm 2)

All fi eld dose rates in mR/hr



Survey No. D-144 Date: 12/12/22 Surveyor(s)

Name & Signature on Original EVESR 503' LEVEL Document Smear Data taken 5/24/22 (see RSR2022-01-0062)

Page 4 of 6 

0.011 0.011 0.012 0

0.013 0.052 Map Legend Q Smea r Locati on (100cm 2)

All fie ld dose rates in mR/hr 

Survey No. D-144 Date: 12/ 12/22 Surveyor(s)

Name & Signature on Original Docu ment EVESR 500' LEVEL Page 5 of6 IN-CORE FLUX AREA 

0 0

0.051 Q Contact Dose Rate In mR/hr All ne1d dose c tes in roBLhr







Survey No. D-144 Date: 12/12/22 Surveyor(s)

Name & Signature on Original EVESR 487' LEVEL Document Smear Data taken 5/23/22 (see RSR2022-01-0064)

Page 6 of 6 

0.023 0.046 0

CRD ROOM 0.012 0.052 Map Legend 0 Smear Location (100cm 2) 0 Contact Dose Rate in mR/hr All fi eld dose rate5 in mR/hr



EVESR Contamination Data EVESR 487' 1 <MDA <MDA RSR2022-01-0064 5/23/2022 EVESR 487' 2 <MDA <MDA RSR2022-01-0064 5/23/2022 EVESR 487' 3 <MDA <MDA RSR2022-0l-0064 5/23/2022 EVESR 487' 4 <MDA <MDA RSR2022-0l-0064 5/23/2022 EVESR 487' 5 <MDA <MDA RSR2022-01-0064 5/23/2022 EVESR 487' 6 <MDA <MDA RSR2022-0l-0064 5/23/2022 EVESR 487' 7 <MDA <MDA RSR2022-0l-0064 5/23/2022 EVESR 503' 8 <MDA <MDA RSR2022-01-0062 5/24/2022 EVESR 503' 9 <MDA <MDA RSR2022-01-0062 5/24/2022 EVESR 503' 10 <MDA <MDA RSR2022-01-0062 5/24/2022 EVESR 503' 11 5771 <MDA RSR2022-01-0062 5/24/2022 EVESR 503' 12 6008 <MDA RSR2022-01-0062 5/24/2022 EVESR 503' 13 <MDA <MDA RSR2022-01-0062 5/24/2022 EVESR 503' 14 10912 <MDA RSR2022-0l-0062 5/24/2022 EVESR 519' 15 <MDA <MDA RSR2022-0l-0061 5/25/2022 EVESR 519' 16 <MDA <MDA RSR2022-01-0061 5/25/2022 EVESR 519' 17 <MDA <MDA RSR2022-01-0061 5/25/2022 EVESR 519' 18 <MDA <MDA RSR2022-0l-0061 5/25/2022 EVESR 534' 19 <MDA <MDA RSR2022-01-0066 5/25/2022 EVES R 534' 20 <MDA <MDA RSR2022-01-0066 5/25/2022 EVESR 534' 21 2389 <MDA RSR2022-01-0066 5/25/2022 EVESR 534' 22 <MDA <MDA RSR2022-01-0066 5/25/2022 EVES R 534' 23 2117 <MDA RSR2022-01-0066 5/25/2022 EVESR 549' 24 <MDA <MDA RSR2022-01-0065 5/19/2022 EVESR 549' 25 <MDA <MDA RSR2022-01-0065 5/19/2022 EVESR 549' 26 <MDA <MDA RSR2022-01-0065 5/19/2022 EVES R 549' 27 <MDA <MDA RSR2022-01-0065 5/19/2022 EVES R 549' 28 <MDA <MDA RSR2022-01-0065 5/19/2022 EVESR 549' 29 <MDA <MDA RSR2022-01-0065 5/19/2022 EVESR 549' 30 <MDA <MDA RSR2022-01-0065 5/19/2022



Air Sample Data for VNC Reactor Annual Inspection At Sample Time After Radon Decay After Radon Decay Reactor Location Date Alpha (uCi/ml) Beta (uCi/ml) Alpha (uCi/ml) Beta (uCi/ml) Alpha (DAC) Beta (DAC)

Main Floor 8/25/2022 8.51E-10 2.15E-09 l.37E-14 8.64E-13 0.005 0.000 VBWR Basement 9/21/2022 4.78E-10 l.58E -09 3.21E-14 3.07E-12 0.011 0.002 Fuel Pool 9/21/2022 3.22E-10 l.17E-09 7.78E-14 l.37E-12 0.026 0.001 Main Floor 11/29/2022 2.93 E-09 8.88E-09 l.69E-13 2.64E-12 0.056 0.001 EVESR Basement 11/29/2022 4.21 E-09 l.12E-08 0.00E+00 5.94E-12 0.000 0.003 519' Level 11/29/2022 3.60E-09 l.05E-08 7.78 E-14 6.95 E-1 2 0.026 0.003 Main Floor 11/15/2022 l.53E-10 4.23E -10 2.36E-14 l.35E-12 0.008 0.001 GETR Basement 11/15/2022 l.95E-10 5.44E -10 0.00E+00 l.12E-12 0.000 0.001 Third Floor 11/15/2022 2.16E-10 5.84E-10 l.14E-13 7.65E-13 0.Q38 0.000







 

  • HITACHI

  GEHitachiNuclearEnergy



 

 VallecitosNuclearCenter

 Sunol,California

















GENERALELECTRICTESTREACTOR

(DEACTIVATED)













ANNUALREPORTNO.64

FORTHEYEAR2022











LICENSETR1

DOCKET5070









MARCH2023

GETRAnnualReportNo.64  



GeneralElectricTestReactor

(Deactivated)



ANNUALREPORTNO.64

GEHitachi(GEH)hasmaintainedtheGeneralElectricTestReactor(GETR)ina

deactivatedstatusundertheauthorityofAmendmentNo.17toLicenseTR1,Docket

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

February5,1986.Inthisannualreport,asummaryofthestatusofthefacilityforthe

periodofJanuary1,2022toDecember31,2022ispresented.

1.0

SUMMARY



ThefacilityremainsinpredominatelythesameconditiondescribedinAnnualReport

No.62.Entryintothereactorbuildingwasmadeforroutineradiationsurveysanda

generalexaminationofconditionsthroughoutthebuilding.Thecrane,elevator,and

ventilationwereservicedandtestedin2022inanticipationofbeginningremediation

activities.Suchactivitieshavenotbegun.

Structuralconditionsandradiationandcontaminationlevelsremainatacceptable

levels.Environmentaldataismaintainedonsiteandavailableforreview.

2.0STATUSOFFACILITY

Inaccordancewithwrittenprocedures,theFacilityManagercontrolsaccesstothe

containmentbuildingandgeneralsystems.Thefacilitycontinuestobeindeactivated

status.TherewerenochangesauthorizedbytheFacilityManagerpursuantto

10CFR50.59(a)in2022.

3.0ROUTINEPATROLS

Thefacilitywasinspectedweekly,quarterly,andannuallyinaccordancewithwritten

stationprocedures.

Thepresenceofminimalefflorescencewasidentifiedonfacilitybasementwallsduring

theannualinspection.Thisconditionwasevaluatedanddeterminedtonotposea

structuralissue.

Thestructuralconditionofthefacilityremainsactivelymonitored,stableand

structurallysoundtoensuremaximumprotectionforpublichealthandsafety.

4.0RADIATIONANDCONTAMINATION

Completeradiationandcontaminationsurveysofthefacilityindicatethatlevelsremain

low.Resultsofthesurveysarepresentedinattachment1.Airsamplingresultsare

Page1of2

GETRAnnualReportNo.64  



presentedinattachment2.Theradiation/contaminationlevelslistedarerepresentative

butnotnecessarilymaximumvalues.



4.1 GETRStack

Althoughmaintenancewasperformedonthestackin2022,andthestackwastested,

therehasbeennoremediationeffortperformedfortheGETRreactor.Theventilation

systemisoperational,butnotcurrentlyinuse.



AnalyticalresultsofgroundwatersamplescanbefoundintheAnnualEnvironmental

ReportsubmittedonMarch2,2023.

5.0ACTIVITIES

Inspectionoftheinstalledgaugesshowednopropagationofconcretecracking.

Therewerenopreventiveorcorrectivemaintenanceactivitiesperformedhavingsafety

significanceduringthereportingperiod.

6.0ORGANIZATION

TheSiteManagerisC.Pedley.TheGETRFacilityManagerisJ.G.Ayala.TheManager,

RegulatoryComplianceandEHSremainsJ.Smyly.

7.0CONCLUSION

GEHitachiNuclearEnergyconcludesthatthedeactivatedGETRisbeingmaintainedina

safeshutdowncondition.Theinspections,accesscontrol,andadministratively

controlledactivitiesensuremaximumprotectionforthepublichealthandsafety.The

procedureswillbecontinuedtomaintainthishighlevelofprotection.





GEHitachiNuclearEnergy

VallecitosOperations

 Digitally signed by CHARLES PEDLEY CHARLES DN: cn=CHARLES PEDLEY c=US l=7249af3244cf2daca5eb6a8620187dbce5b61cd7 o=MyApps

 e=223062202@ge.com PEDLEY Reason: I am approving this document Location:

Date: 2023-03-23 10:39-07:00

 

C.Pedley,ManagerVallecitosNuclearCenter

Page2of2

GETRANNUALSURVEY

GETRSurveys Contamination DoseRates

SurveyID RSR2022010136 C032

RSR2022010152

RSR2022010149

RSR2022010135

SurveyDate(s) 7/11/2022 12/07/2022

7/13/2022

Surveyor T.Lopez(signatureonoriginals) M.Arnerich(signatureonoriginal)

Instrument Ludlum2929 I Ludlum3030 RadEye

InstrumentS/N 111575 I 190648 33155

CalibrationDueDate 9/15/2022 3/7/2023 7/14/2023







 ATTACHMENT1

GETR SITE MAP 901. SA),,W:\.E tBm)

LOCATlOt~M 901. SAJ.11'1.E 19ml LCCA"t"OO .s 1 SOL ~PLE (&KG)

LOCATIC>>i"2



 ATTACHMENT1

Survey No. C-032 Dat e: 12/07/22 Surveyor(s)

Name & Signature on Original Document GETR BASEMENT Smear Data taken 7/11/22 (see RS R 2022-01-0136)

Page 5 of 5



\ -0.02~ Rx

\ ,-

\ 0.360 4

0.064

\ \ HCA 0.043 CYLINDER STORAGE AREA 0 0.070

,, 0-43

' ,,..,_,.........,..,..,...,...- - --r

/

0 0.031 Step Off Pad HCA High Contaminati on Are a Boundary General Area Dose Rate (mrem/hrl Q Contact Dose Rate (m rem/hr)

Q Smear Location (100 cm2)



 ATTACHMENT1

Survey No. C-032 Date: 12/07/22 Surveyor(s)

Name & Signature on Original Document GETR 1ST FLOOR Smear Data taken 7/13/22 (see RSR 2022-01-0152}

Page 4 of 5



0 cg] l!.130. 0.126 0

', ~',0 0.502 **,

0.073 0.097 0 *, .., ..

0 0.042 Step Off Pad High Contamination Area 0.010 Boundary EQUIPMENT HATCH General Ar ea Dose Rate (mrem/ hr) 0 Contact Dose Rate (mrem/ hr) 0 Smear Location (100 cm2 )









 ATTACHMENT1

Survey No. C-032 Date: 12/07/22 Surveyor(s)

Name & Signature on Original GETR MEZZANINE Document Page 3 ofS



(OPEN AREA) 0.014 0.011 0.023 0.015 Step Off Pad HCA Hi gh Contamination Area Bo und ary General Area Dose Rate (mrem/hr) 0 Contact Dose Rate (mrem/hr)



 

 ATTACHMENT1

Survey No. C-032 Date: 12/07/22 Surveyor(s)

Name & Signature on Original Document GETR 2ND FLOOR Smear Data taken 7/13/22 (see RSR 2022-01-0149)

Page 2 of 5



0.026 Step Off Pad High Contamination Area Boundary Genera l Area Dose Rate (mrem/hr) 0 Contact Dose Rate (mrem/hr) 0 Smear Location (100 cm2)





 ATTACHMENT1

Survey No. C-032 Date: 12/07 /22 Surveyor(s)

Name & Signature on Original Document GETR 3RD FLOOR Smear Data taken 7/11/22 (see RSR 2022-01-0135)

Page 1 of 5



REACTOR CAVITY O.OS9 FUEL~

0 _24 J3RIDG~

0.035 0.077 0.038 DRA1fl 0 RAISED PLATFORM AREA 0.020 0.010 0.020 Step Off Pad High Contaminati on Area Boundary General Area Dose Rate (mrem/hr) 0 Contact Dose Rate (mrem/hr) 0 Smear Location (100 cm2)



 ATTACHMENT1

GETR Contamination Data GETR L552 (BSMT) 1 < MDA < MDA RS2022-01-0136 DIiie 7/11/2022 GETR L552 (BSMT) 2 < MDA < MDA RS2022-01-0136 7/11/2022 GETR L552 (BSMT) 3 < MDA < MDA RS2022-01-0136 7/11/2022 GETR L552 (BSMT) 4 5687 < MDA RS2022-01-0136 7/11/2022 GETR L552 (BSMT) 5 589 < MDA RS2022-01-0136 7/11/2022 GETR L552 (BSMT) 6 202754 14 RS2022-01-0136 7/11/2022 GETR L552 (BSMT) 7 4791 < MDA RS2022-01-0136 7/11/2022 GETR L552 (BSMT) 8 < MDA < MDA RS2022-01-0136 7/11/2022 GETR L567 (1st Fl) 9 < MDA < MDA RS2022-01-0152 7/13/2022 GETR L567 (1st Fl) 10 143 < MDA RS2022-01-0152 7/13/2022 GETR L567 (1st Fl} 11 174 < MDA RS2022-01-0152 7/13/2022 GETR L567 (1st Fl} 12 808 < MDA RS2022-01-0152 7/13/2022 GETR L567 (1st Fl} 13 79986 < MDA RS2022-01-0152 7/13/2022 GETR L567 (1st Fl} 14 20621 <MDA RS2022-01-0152 7/13/2022 GETR L567 (1st Fl} 15 908 < MDA RS2022-01-0152 7/13/2022 GETR L567 (1st Fl} 16 1133 < MDA RS2022-01-0152 7/13/2022 GETR L567 (1st Fl) 17 101 < MDA RS2022-01-0152 7/13/2022 GETR L589 (2nd Fl) 18 < MDA < MDA RS2022-01-0149 7/13/2022 GETR L589 (2nd Fl) 19 < MDA < MDA RS2022-01-0149 7/13/2022 GETR L589 (2nd Fl) 20 1703 < MDA RS2022-01-0149 7/13/2022 GETR L589 (2nd Fl) 21 16654 < MDA RS2022-01-0149 7/13/2022 GETR L589 (2nd Fl) 22 31086 < MDA RS2022-01-0149 7/13/2022 GETR L589 (2nd Fl) 23 < MDA < MDA RS2022-01-0149 7/13/2022 GETR L589 (2nd Fl) 24 < MDA < MDA RS2022-01-0149 7/13/2022 GETR L589 (2nd Fl) 25 < MDA < MDA RS2022-01-0149 7/13/2022 GETR L611 (3rd Fl} 26 1023175 < MDA RS2022-01-0135 7/11/2022 GETR L611 (3rd Fl} 27 < MDA < MDA RS2022-01-0135 7/11/2022 GETR L611 (3rd Fl} 28 < MDA < MDA RS2022-01-0135 7/11/2022 GETR L611 (3rd Fl} 29 < MDA < MDA RS2022-01-0135 7/11/2022



Air Sample Data for VNC Reactor Annual Inspection At Sample Time After Radon Decay After Radon Decay Reactor Location Date Alpha (uCi/ml) Beta (uCi/ml) Alpha (uCi/ml) Beta (uCi/ml) Alpha (DAC) Beta (DAC)

Main Floor 8/25/2022 8.51E-10 2.15E-09 l.37E-14 8.64E-13 0.005 0.000 VBWR Basement 9/21/2022 4.78E-10 l.58E -09 3.21E-14 3.07E-12 0.011 0.002 Fuel Pool 9/21/2022 3.22E-10 l.17E-09 7.78E-14 l.37E-12 0.026 0.001 Main Floor 11/29/2022 2.93 E-09 8.88E-09 l.69E-13 2.64E-12 0.056 0.001 EVESR Basement 11/29/2022 4.21 E-09 l.12E-08 0.00E+00 5.94E-12 0.000 0.003 519' Level 11/29/2022 3.60E-09 l.05E-08 7.78 E-14 6.95 E-1 2 0.026 0.003 Main Floor 11/15/2022 l.53E-10 4.23E -10 2.36E-14 l.35E-12 0.008 0.001 GETR Basement 11/15/2022 l.95E-10 5.44E -10 0.00E+00 l.12E-12 0.000 0.001 Third Floor 11/15/2022 2.16E-10 5.84E-10 l.14E-13 7.65E-13 0.Q38 0.000







 

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