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 GEHitachi NuclearEnergy

 

 CharlesPedley

SiteManager,

VallecitosNuclearCenter



M230039 6705VallecitosRd

Sunol,CA94586

March 24, 2023 USA



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 DN: cn=CHARLES PEDLEY c=US CHARLES PEDLEY 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



 VallecitosNuclear Center 

 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 DN: cn=CHARLES PEDLEY c=US

CHARLES l=7249af3244cf2daca5eb6a8620187dbce5 b61cd7 o=MyApps e=223062202@ge.com Reason: I am approving this document

PEDLEY Location:

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



C.Pedley,ManagerVallecitosNuclearCenter

Page2of2 VBWRANNUALSURVEY

VBWRSurveys Contamination DoseRates

SurveyID RS202201 0072  D142 

RS202201 0073 

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 1/18/2023 7/14/2023I-





 ATTACHMENT1

EVESR & VBWR SITE MAP



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

VBWR MAIN FLOOR Name & Signature on Original Doc ument Smear Data taken 5/26/22 (see RSR2 022-01-0072)

Page 1 of 2

0.050

0.094

0.048

MA CH IHATCH NERY

@) Q)

EAM~

GENERA~OR \\ Q.ll.22.

HATCH 0.032

~

0.033 ap Legend

0 Smear Locat ion (100cm 2 )

Contact Dose Rate in 0 mR/hr

All field dose rates in mR/h r 



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

Name & Signat ur e o n Origina l VBWR BASEMENT AREA Document Smear Data taken 5/ 26/22 (see RSR2022-01-0073)

Page 2 o f 2

0

SLANTED W/\\ll 0. 313

0.123 G

SLANTED WAL L Map Legend

0 Smear Locat ion (100cm 2 )

Contact Dose Rate in 0 mR/hr

All field 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 RSR2022-0 1-0073 5/26/2022 VBWR BSMT 5 <MDA < MDA RSR2022-01 - 0073 5/26/2022 VBWR BSMT 6 <MD A < MDA RSR2022-01-0073 5/26/2022 VBWR Ma in 7 <MDA < MDA RSR2022-01-0072 5/26/2022 VBWR Ma in 8 <MDA < MDA RSR2022-0 1-0072 5/26/2022 VBWR Ma in 9 <MD A < MDA RSR2022-0 1-0072 5/26/2022 VBWR Ma in 10 <MDA < MDA RSR2022-0 1-0072 5/26/2022 VBWR Ma in 11 <MDA < MDA RSR2022-01-0072 5/26/2022 VBWR Ma in 12 <MDA < MDA RSR2022-0l-0072 5/26/2022 VBWR Ma in 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 2.1 5E -09 l.37E -14 8.64E -13 0.005 0.000 VBWR Ba s ement 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 Ba s ement 11/29/2022 4.21 E-09 l.12E-08 0.00E+00 5.94E-1 2 0.000 0.003 519' Level 11/29/2022 3.60 E- 09 l.05E-08 7.78 E-1 4 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 

 VallecitosNuclear Center 

 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 DN: cn=CHARLES PEDLEY c=US

CHARLES l=7249af3244cf2daca5eb6a8620187dbce5b6 1cd7 o=MyApps e=223062202@ge.com Reason: I am approving this document

PEDLEY Location:

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



C.Pedley,ManagerVallecitosNuclearCenter

Page2of2 EVESRANNUALSURVEY

EVESRSurveys Contamination DoseRates

SurveyID RS202201 0061  D144 

RS202201 0062 

RS202201 0064 

RS202201 0065 

RS202201 0066 

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

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

Instrument Ludlum2929 RadEye

InstrumentS/N 110575 33155 33155

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





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 Loca tion (100cm 2)

All field dose rates in mR/h r 

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

Nam e & Sign atu re o n O rigin a l Docu m ent EVESR 534' LEV E L Smea r Data take n 5/25/22 (see RSR2022-0l -0066)

Page 2 of 6 

)0 DRAIN

0.276 0

V),,l{_E l><J VALVE ~

Map Legend

Smea r Loca tion ( 100cm 2 )

0 Conta c t Dose Rate in 0 mR/hr

All field dose rate s in mR/h r 

Survey No. D-144 Date: 1 2/ 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 

0.022 8

Map Legend

Q Smea r Location (100cm 2)

Al l field dose rates in mR/hr 

Survey No. D-144 Date : 12/ 12/2 2 Surveyor(s)

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

Page 4 of 6 

0.011

0.011

0.0 1 2 0

0.013

0.052

Map Legend

Q Smea r Locati on (100cm 2)

All field dose rates in mR/h r 

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 Rat e In mR/hr

All ne 1d dose c tes in roBLhr 





Surv ey No. D-144 Date: 12/12/22 Surv eyo r(s)

Na m e & Signature on Original Doc um en t EVESR 487' LEVEL Smea r Data taken 5/23/22 (see RSR2022-01-0064)

Page 6 of 6 

0.023

0 0.046

CRD ROO M

0.012 0.052

Map Legend

0 Smear Location (100cm 2)

Contact Dose Rate in 0 mR/hr

All field 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 EVES R 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 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 2.1 5E -09 l.37E -14 8.64E -13 0.005 0.000 VBWR Ba s ement 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 Ba s ement 11/29/2022 4.21 E-09 l.12E-08 0.00E+00 5.94E-1 2 0.000 0.003 519' Level 11/29/2022 3.60 E- 09 l.05E-08 7.78 E-1 4 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



 

 VallecitosNuclear Center 

 Sunol,California

















GENERAL ELECTRICTESTREACTOR

(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 DN: cn=CHARLES PEDLEY c=US CHARLES l=7249af3244cf2daca5eb6a8620187dbce5b61cd7 o=MyApps e=223062202@ge.com

 Reason: I am approving this document PEDLEY Location:

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



C.Pedley,ManagerVallecitosNuclearCenter

Page2of2

GETRANNUALSURVEY

GETRSurveys Contamination DoseRates

SurveyID RSR202201 0136 C032 

RSR202201 0152

RSR202201 0149

RSR202201 0135

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

7/13/2022

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

Instrument Ludlum2929 LudlumI 3030 RadEye

InstrumentS/N 111575 190648 33155I 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.s1

SOL ~PLE (&KG)

LOCATIC>>i"2



 ATTACHMENT1

Survey No. C-032 Da te: 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



- Rx 0.0 2~

\\

4 0.064

\\ \\ 0.360,-

C Y LIND ER STO RAGE AREA

\\ \\

HCA 0.043 0,, 0-43 /

0.070 ',,..,_,.........,..,..,...,...--- -r 0

0.031

Step Off Pa d

HCA High Contaminati o n A rea

Boundary

Gene ral 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 1 ST FLOOR Smear Data taken 7 /13/22 (see RSR 2022-01-0152 }

Page 4 of 5 

0

cg] l!.130.

0.126 0

0. 502 **,

0.073 ;

0.097 0 ',,~',0 0

0.042

Step Off Pad

High Contaminat ion Area

0.0 10 Boundary EQUIPMENT HATCH General Area Dose Rate

(mrem / h r)

Contact Dose Rate 0 (mrem / h r)

Smear Locat ion (100 cm2 )

0 







 ATTACHMENT1

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

Name & Signature on Original Document GETR MEZZANINE Pag e 3 ofS



(OPEN AREA)

0.014

0.01 1

0.023

0.0 15

Step Off Pad

HCA High Contam ina tion Area

Bo und a ry

Gen eral Area Dose Rate (mrem/hr)

Co ntact Dose Rate 0 (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

Bo und a ry

Genera l Area Dose Rate (mrem/hr)

Cont a ct Dose Ra te 0 (mrem/hr)

Smear Locat ion (100 cm2) 0 



 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 DRA1fl0 RAISED PLATFORM AREA

0.020

0.010

0.020

Step Off Pad

High Contaminat ion Area

Boundary

Gener al Area Dose Rate (mr em/h r)

Cont act Dose Rate 0 (mr em /hr)

Smear Locat ion (100 cm2) 0 

 ATTACHMENT1

GETR Contamination Data

..... DIiie GETR L552 (BSMT) 1 < MDA < MDA RS2022-01-0136 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 2.1 5E -09 l.37E -14 8.64E -13 0.005 0.000 VBWR Ba s ement 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 Ba s ement 11/29/2022 4.21 E-09 l.12E-08 0.00E+00 5.94E-1 2 0.000 0.003 519' Level 11/29/2022 3.60 E- 09 l.05E-08 7.78 E-1 4 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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