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













M230039 March 24, 2023 U.S. Nuclear Regulatory Commission 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, 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





GEHitachiNuclearEnergy



CharlesPedley

SiteManager,

VallecitosNuclearCenter



6705VallecitosRd

Sunol,CA94586

USA



T9255238101

Charles.Pedley@ge.com

CHARLES PEDLEY Digitally signed by 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 HITACHI





























Enclosures





VBWRAnnualReportNo.58



EVESRAnnualReportNo.55



GETRAnnualReportNo.64





















GEHitachiNuclearEnergy





VallecitosNuclearCenter



Sunol,California













VALLECITOSBOILINGWATERREACTOR

(DEACTIVATED)













ANNUALREPORTNO.58

FORTHEYEAR2022











LICENSEDPR1

DOCKET5018











MARCH2023



















HITACHI

VBWRAnnualReportNo.58



Page1of2 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.

VBWRAnnualReportNo.58



Page2of2



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













C.Pedley,ManagerVallecitosNuclearCenter

CHARLES PEDLEY Digitally signed by CHARLES PEDLEY DN: cn=CHARLES PEDLEY c=US l=7249af3244cf2daca5eb6a8620187dbce5 b61cd7 o=MyApps e=223062202@ge.com Reason: I am approving this document Location:

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

VBWRANNUALSURVEY

VBWRSurveys

Contamination

DoseRates

SurveyID

RS2022010072

RS2022010073

D142

SurveyDate(s)

5/26/2022

12/07/2022

Surveyor

A.Flk

S.Peterson

J.Hatfield

M.Arnerich(signatureonoriginal)

Instrument

Ludlum2929

RadEye

InstrumentS/N

110575

33155

33155

CalibrationDueDate

9/15/2022

1/18/2023

7/14/2023





I-



ATTACHMENT1

EVESR & VBWR SITE MAP





0.048 VBWR MAIN FLOOR 0.094 MACHINERY HATCH 0.032

@) Q)

EAM~

GENERA~OR

\\

HATCH

~

0.033 Survey No.

0-142 Date:

12/07 /22 Surveyor(s)

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

Page 1 of 2 0.050 0

0 Q.ll.22.

ap Legend Smear Location (100cm 2)

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





SLANTED W/\\ll VBWR BASEMENT AREA 0

0.123 G

0. 313 SLANTED WALL 0

0 Survey No.

D-142 Date:

12/07 /22 Surveyor(s)

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

Page 2 of 2 Map Legend Smear Location (100cm 2)

Contact Dose Rate in 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 RSR2022-01-0072 5/26/2022 VBWR Main 9

<MDA

< MDA RSR2022-01-0072 5/26/2022 VBWR Main 10

<MDA

< MDA RSR2022-01-0072 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 2.93E-09 8.88E-09 l.69E-13 2.64E-12 0.056 0.001 EVESR Basement 11/29/2022 4.21E-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 7.78E-14 6.95E-12 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



GEHitachi 









GEHitachiNuclearEnergy





Vallecitos

NuclearCenter



VallecitosNuclearCenter



Sunol,California















ESADAVALLECITOSEXPERIMENTAL

SUPERHEATREACTOR

(DEACTIVATED)













ANNUALREPORTNO.55

FORTHEYEAR2022











LICENSEDR10

DOCKET50183











MARCH2023

HITACHI

EVESRAnnualReportNo.55



Page1of2 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.



EVESRAnnualReportNo.55



Page2of2 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













C.Pedley,ManagerVallecitosNuclearCenter

CHARLES PEDLEY Digitally signed by CHARLES PEDLEY DN: cn=CHARLES PEDLEY c=US l=7249af3244cf2daca5eb6a8620187dbce5b6 1cd7 o=MyApps e=223062202@ge.com Reason: I am approving this document Location:

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

EVESRANNUALSURVEY

EVESRSurveys

Contamination

DoseRates

SurveyID

RS2022010061

RS2022010062

RS2022010064

RS2022010065

RS2022010066

D144

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





ESCAPE HATCH Survey No.

D-144 Date:

12/12/22 Surveyor(s)

EVESR 549' LEVEL Name & Signature on Original Document Smear Data taken 5/19/22 (see RSR2022-01-0065) 28 0.057 0.012 EQUIPMENT HATCH 0

Page 1 of6 0.029 0.016 0.011 Map Legend Q Smear Location (100cm 2)

All field dose rates in mR/hr





EVESR 534' LEVEL 0.276

)0 DRAIN 0

V),,l{_E

~

l><J VALVE Survey No.

Date:

D-144 12/12/ 22 Surveyor(s)

Name & Signature on Original Document Smear Data t aken 5/25/22 (see RSR2022-0l -0066)

Page 2 of 6 0

0 Map Legend Smear Location (100cm2)

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





EVESR 519' LEVEL 8

0.022 Survey No.

D-144 Date:

12/ 12/22 Surveyor(s)

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

Page 3 of6 Map Legend Q Smear Location (100cm 2)

All fi eld dose rates in mR/hr





EVESR 503' LEVEL 0.011 0.011 0.012 0

0.013 0.052 Survey No.

Date:

Surveyor(s)

D-144 12/12/22 Name & Signature on Original Document Smear Data taken 5/24/22 (see RSR2022-01-0062)

Page 4 of 6 Map Legend Q Smear Location (100cm 2)

All field dose rates in mR/hr









EVESR 500' LEVEL IN-CORE FLUX AREA 0

0 0.051 Survey No.

D-144 Date:

12/ 12/22 Surveyor(s)

Name & Signature on Original Document Page 5 of6 Q Contact Dose Rate In mR/hr All ne1d dose c tes in roBLhr





EVESR 487' LEVEL 0.023 0.012 0.046 CRD ROOM 0.052 0

0 Survey No.

Date:

Surveyor(s)

D-144 12/12/22 Name & Signature on Original Document Smear Data taken 5/23/22 (see RSR2022-01-0064)

Page 6 of 6 0

Map Legend Smear Location (100cm 2)

Contact Dose Rate in 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 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 EVESR 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 EVESR 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 EVESR 549' 27

<MDA

<MDA RSR2022-01-0065 5/19/2022 EVESR 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 2.93E-09 8.88E-09 l.69E-13 2.64E-12 0.056 0.001 EVESR Basement 11/29/2022 4.21E-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 7.78E-14 6.95E-12 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





GEHitachiNuclearEnergy









VallecitosNuclearCenter



Sunol,California

















GENERALELECTRICTESTREACTOR

(DEACTIVATED)













ANNUALREPORTNO.64

FORTHEYEAR2022











LICENSETR1

DOCKET5070









MARCH2023

HITACHI

GETRAnnualReportNo.64







Page1of2

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

GETRAnnualReportNo.64







Page2of2

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









C.Pedley,ManagerVallecitosNuclearCenter

CHARLES PEDLEY Digitally signed by 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 10:39-07:00

GETRANNUALSURVEY

GETRSurveys

Contamination

DoseRates

SurveyID

RSR2022010136

RSR2022010152

RSR2022010149

RSR2022010135

C032

SurveyDate(s)

7/11/2022

7/13/2022

12/07/2022

Surveyor

T.Lopez(signatureonoriginals)

M.Arnerich(signatureonoriginal)

Instrument

Ludlum2929

Ludlum3030

RadEye

InstrumentS/N

111575

190648

33155

CalibrationDueDate

9/15/2022

3/7/2023

7/14/2023







I I



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





\\ \\ \\ 0.360

,-\\

\\

0 GETR BASEMENT 0.02~

Rx 4

HCA 0.043 0-43

/

0.070

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

Survey No.

C-032 Date:

12/07 /22 Surveyor(s)

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

Page 5 of 5 0.064 0.031 Step Off Pad CYLINDER STORAGE AREA HCA High Contamination Area Boundary General Area Dose Rate (mrem/hrl Q

Contact Dose Rate (mrem/hr)

Q Smear Location (100 cm2)



ATTACHMENT1











cg]

l!.130.

0.097 GETR 1 ST FLOOR 0.502 **,

Survey No.

C-032 Date:

12/07 /22 Surveyor(s)

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

Page 4 of 5 0

0.126 0

0 0.073

',,~',0 0.042 0.010 EQUIPMENT HATCH 0

0 0

Step Off Pad High Contamination Area Boundary General Area Dose Rate (mrem/ hr)

Contact Dose Rate (mrem/ hr)

Smear Location (100 cm2)



ATTACHMENT1









GETR MEZZANINE (OPEN AREA) 0.014 0.011 0.023 0.015 Survey No.

C-032 Date:

12/07 /22 Surveyor(s)

Name & Signature on Original Document Page 3 ofS HCA 0

Step Off Pad High Contamination Area Boundary General Area Dose Rate (mrem/hr)

Contact Dose Rate (mrem/hr)



ATTACHMENT1







GETR 2ND FLOOR 0.026 0

0 Survey No.

C-032 Date:

12/07 /22 Surveyor(s)

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

Page 2 of 5 Step Off Pad High Contamination Area Boundary General Area Dose Rate (mrem/hr)

Contact Dose Rate (mrem/hr)

Smear Location (100 cm2)



ATTACHMENT1





GETR 3RD FLOOR O.OS9 0.077 DRA1fl 0 REACTOR CAVITY FUEL~

0_24J3RIDG~

0.038 Survey No.

C-032 Date:

12/07 /22 Surveyor(s)

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

Page 1 of 5 0.035 RAISED PLATFORM AREA 0.010 0.020 0

0 0.020 Step Off Pad High Contamination Area Boundary General Area Dose Rate (mrem/hr)

Contact Dose Rate (mrem/hr)

Smear Location (100 cm2)



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 2.15E-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 2.93E-09 8.88E-09 l.69E-13 2.64E-12 0.056 0.001 EVESR Basement 11/29/2022 4.21E-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 7.78E-14 6.95E-12 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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