ML22089A223
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