ML17308A497

Reactor Containment Bldg Integrated Leakage Rate Test Final Rept. W/900621 Ltr

ML17308A497
Person / Time
Site:	Saint Lucie
Issue date:	04/06/1990
From:	CONNOR J, MUMPER D, TURNER S FLORIDA POWER & LIGHT CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
L-90-230, NUDOCS 9006260063
Download: ML17308A497 (159)

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ACCELERATEDDITRJBUTIONjDEMONS+ATIONSYSTEMri+~wREGULATORYXNFORMATIONDXSTRXBUTIONSYSTEM(RIDS)ACCESSXONNBR:9006260063DOC.DATE:90/04/06NOTARIZED:NOFACIL:50-335St.LuciePlant,Unit1,FloridaPower&LightCo.AUTH.NAMEAUTHORAFFILIATXONTURNER,S.FloridaPower&LightCo.CONNOR,J.FloridaPower&LightCo.MUMPER,D.FloridaPower&LightCo.RECIP.NAMERECIPIENTAFFILIATIONDOCKET05000335Rsew

SUBJECT:

"ReactorContainmentBldgIntegratedLeakageRateTestFinalRept."W/900621ltr.DISTRIBUTIONCODE:A017DCOPIESRECEIVED:LTRXENCLSIZE:TITLE:ORSubmittal:AppendJContainmentLeak~RateTestingNOTESDARECIPIENTIDCODE/NAMEPD2-2LANORRIS,JINTERNAL:ACRSOCE'GFXLE01B/RSRES/DSR/RPSBEXTERNAL:LPDRNSICCOPIESLTTRENCL101166101111111111RECXPXENTIDCODE/NAMEPD2-2PDNRR/DST/SPLB8DOGC/HDS2RES/DE/SEBRES/DSIR/SAIBNRCPDRCOPIESLTTRENCL551111111111DD$R'NOTETOALL"RIDS"RECIPIENTS:PLEASEHELPUSTOREDUCEWASTE!CONTACTTHEDOCUMENTCONTROLDESK,ROOMPl-37(EXT.20079)TOELIMINATEYOURNAMEFROMDISTRIBUTIONLISTSFORDOCUMENTSYOUDON'TNEED!TOTALNUMBEROFCOPIESREQUIRED:LTTR24ENCL22D$

P.O.Box14000,JunoBeach,FL33408-0420JUN211990L-90-23010CFR50AppJV.B.3U.S.NuclearRegulatoryCommissionAttn:DocumentControlDeskWashington,DC20555Gentlemen:Re:St.LucieUnit1Docket50-335ReactorContainmentBuildingIntegratedLeakRateTest(ILRT)InaccordancewiththerequirementsofAppendixJto10CFR50,thesubjectreportisenclosed.Ifyouhaveanyquestionsaboutthissubmittal,pleasecontactus.Verytrulyyours,D.A.SerVicePeidentSt.Lu'lantDAS:JWH:kwcc:StewartD.Ebneter,RegionalAdministrator,RegionII,USNRCSeniorResidentInspector,USNRC,St.LuciePlantDAS/PSLf1869006260063900406PDRADOCK05000335PPDCulCanFPLGroupcompany

(~0l,"e EACTORCONTAINMENTBUILDINGINTEGRATEDLEAKAGERATETESTFINALREPORT8T.IUCfEUNlTIVO.1NUCLEARPOWERPLANTFT.PIERCEFL.DOCKETNO.50-335.i'J~r'\a~~~l.-'0I%~4~..yv9006260063 IIII ST.LUCIEPLANTUNITNO.1NUCLEARPONERPLANTFT~PIERCE,FLORIDADOCKETNO.5$-3~5REACTORCONTAINNENTBUILDINGINTEGRATEDLEAKAGERATETESTreparedBy:ScotturnerTestDirectorRevieedBy:JimonorPerformanceEngineerApprovedby:DuaneNumperLeadTEngrrD.H.estTechnicalSupervisorDateofTestCompletion:April6,1998 IIIII TABLEOFCONTENTSPacCeINTRODUCTIONANDSUMMARY............................'..........-TESTDISCUSSION...........................--.-.......--.~.....A.DescriptionoftheContainment............................~~~B.DescriptionofILRTInstrumentation..............,.........~~1.TemperatureInstrumentation.................2.,HumidityInstrumentation....................3.PressureInstrumentation....................4.FlowInstrumentation........................5.InstrumentSelectionGuide(ISG)Calculation~~~~~~~~~~~~~~~~~~~~~~~~45566C.ContainmentPressurizationEquipment...................~.~~~D.-DescriptionoftheComputerProgram....................~~~~-E.DescriptionoftheTestingSequence.................-'....III.ANALYSISANDINTERPRETATION.................--........-A.InstrumentationSystemPerformance.................-~~~~~~--B.Temperature,StabilizationPhase....................~~~~~~~-~12C.LeakageSurveyPhase........................................D.IntegratedLeakageRatePhase......................~~~~~~-~~E.VerificationControlledLeakageRatePhase............~-~~~~14IV.FIGURES~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~1523456ledLeakageRTDLocationsandVolumesRHDLocationsandVolumesFlowDiagramforPressureSensingandControlFlowDiagramforPressurizationSystemSt.LucieUnit1ILRTSeq'uenceILRTTest.Sequence IIIIIII Paae~APPENDICES~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~s~~~~V.22A.Tabulationof"As-Found"and"As-Left"ILRTResults.......-~1.CorrectionofILRTResultsfor"As-Found"case........--2.CorrectionofILRTResultsfor"As-Left"case.........~~232425B.ILRTComouter-GeneratedReport.................1.TemoeratureStabilization..................Figure.....................................A.TemperatureStabilization2.IntegratedLeakageRateTest...............F'gutes~~~~~~~~~~~~~~~~~~~~~eoeoa~~~~~~o~~~A.ILRTWeightedAverageTemperatureB.ILRTContainmentAbsolutePressureC.ILRTWeightedAverageVaporPressureD.ILRTAirMassE.ILRTBn-TopLeakageRates3.VerificationControlledLeakageRateTest..F'gules~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~A.CLRTWeiahtedAverageTemperatureB.CLRTContainmentAbsolutePressureC.CLRTWeightedVaporPressureD.CLRTAirMassE.CLRTBn-TopLeakageRates4.DataforLeakChasePeriod.................2629315255C.LocalLeakageRateTestingConductedSincetheLastILRT--~~

I.INTRODUCTIONANDSUNMARYAperiodicType,"A"IntegratedLeakageRateTest(ILRT)wassuccessfullyconductedontheprimarycontainmentstructureoftheFloridaPower5LightCompanySt.LuciePlantUnitNo.1PressurizedWaterReactor.ThistestwasperformedatfullpressureinaccordancewiththefacilityTechnicalSpecifications.ThisILRTtestwasperformedusingthe"AbsoluteNethod"oftestinginaccordancewiththeCodeofFederalRegulations,Title18,Part58AppendixJ,'PrimaryReactorContainment.LeakageTestingforWater-CooledPowerReactors,"inaccordancewithANSIN45.4-1972,AmericanNationalStandard,"LeakageRateTestingofContainmentStructuresforNuclearReactors,"andthemethodologyandcalculationalrequirementsofTopicalReportBN-TOP-1,Revision1,"TestingCriteriaforIntegratedLeakageRateTestingofPrimaryContainmentStructuresforNuclearPowerPlants."TheILRTwasperformedatapressureinexcessofthecalculatedpeakcontainmentinternalpressurerelatedtothedesignbasisaccidentasspecifiedintheFinalSafetyAnalysisReport(FSAR)andtheTechnicalSpecifications.ThisreportdescribesandpresentstheresultsoftheperiodicType"A"leakageratetesting,includingthesupplementaltestmethodutilizedforverification.Inaddition,FloridaPower5LightCompanyperformstypes"B"and"C"testinginaccordancewiththerequirementsof18CFR58,AppendixJ,andtheTechnicalSpecifications.Theresultsoftypes"B"and"C"testingperformedsincethelastILRTareprovidedinthisreport~Theresultingreported"as-found"Type"A"containmentleakageat48~2pslgis8.195percentofthecontainedmassper'ay.Thisvalueincludesthedifferencebetweentheas-foundandas-left,minimumpathwayTypes"B"and"C"localleakagemeasurementsasrequiredbytheNRCI&EInformationNotice85-71.Theresultingreported"as-left"Type"A"containmentleakageat48.2psigis8.181percentofthecontainedmassperday.TheacceptancecriteriaforthistestascontainedinthefacilityTechnicalSpecificationsisthatleakagecannotexceed8.375percentofthecontainedV III4II airmassperdayat39.6psigforeitherthe"as-found"or"as-left"case.II.TESTDISCUSSIONA.DescritionoftheContainmentThecontainmentvesselcompletelyenclosestheentirereactorandreactorcoolantsystemtoensurenoleakageofradioactivematerialstotheenvironmentintheunlikelyeventofalossofcoolantaccident.Thecontainmentsystemdesignincorporatesafree-standingcontainmentvesselsurroundedbyalow-leakageconcreteshieldbuilding.Afour-footannularspaceisprovidedbetweentheouterwallofthecontainmentvesselandtheinnerwalloftheshieldbuildingtoallowfiltrationofcontainmentvesselleakageduringaccidentconditionstominimizeoff-sitedoses~Thefree-standingcontainmentvesselisatwo-inchthickrightcircularcylinderwithaone-inchthickhemisphericaldomeandtwo-inchthickellip-soidalbottom.Theoveral1vesseldimensionsare148-footdiameterby232-foothigh.Thevesselwallthicknessisincreasedtoaminimumoffourinchesadjacenttoallpenetrationsandopenings.ThevesselisfabricatedofASIDE-SA5i6Grade7$fullykilledpressurevesselqualitysteelplate.Thenetfreevolumeofthecontainmentvesselis2.5x1$cubicfeet.6Thecontainmentvesselstructureincludesonepersonnelairlock,oneemergencyescapelock,onefueltransfertube,oneequipmentmaintenancehatch'ndoneseal-weldedconstructionhatch.Allprocesspipingandelectricalpenetrationsareweldeddirectlytothecontainmentvesselnozzleswiththeexceptionofthemainsteam,mainfeedwater,andfueltransfertubepenetrations.ThesepenetrationsareprovidedwithtestableIImultipleplyexpansionbe}lowstoallowforthermalgrowthorbuildingdifferentialmotion.

IIIIII ThecontainmentvesselisdesignedandconstructedinaccordancewiththerequirementsforClassNCvesselscontainedinSectionIIIoftheASNECode(1971Edition).Thecontainmentvesseliscodestampedforadesigninternalcontainmentpressureof44psigatatemperatureof264F.Thecontainmentvesselandal1penetrationsaredesignedtolimitleakagetolessthan8.5percentbyweightofthecontainedairperdayattheabovedesignconditions.ThecalculatedpeakaccidentpressureforthedesignbasisaccidentfortheSt.LuciePlantNo.1is39.6psig,inaccordancewithTechnicalSpecification3.6.1.2.a.1.B.DescritionofILRTInstrumentationThecontainmentsystemwasequippedwithinstrumentationtopermitleakageratedeterminationbythe"absolutemethod."Utilizingthismethod,theactualmassofdryairwithinthecontainmentiscalculated.Theleakageratebecomesthetimerateofchangeofthisvalue.Themassofair(9)iscalculatedaccordingtothePerfectGasLawasfollows:0=(P-Pv)VRTwhere:PPvVRTContainmentTotalAbsolutePressureContainmentWaterVaporPressure(Average)ContainmentNetFreeVolumeGasConstantContainmentAbsoluteTemperature(Average)Theprimarymeasurementvariablesrequiredarecontainmentabsolutepressure,containmentrelativehumidity,andcontainmenttemperatureasafunctionoftime.Duringthesupplementaryverificationtest,containmentbleed-offflowisalsorecorded.Averagecontainmentabsolutetemperatureisdeterminedbymeasuringdiscretelocaltemperaturesthroughoutthecontainmentandapplyingamassandvolumeweightedaveragingtechnique.Thevolumefractionforeachsensorisdeterminedbaseduponsolidgeometricalcalculations:

where:T-ContainmentAbsoluteTemperature(Average)T.-LocalTemperatureforsensori1Vf;-VolumeFractionforsensoriAveragecontainmentwatervaporpressureisdeterminedbymeasuringdiscretelocalrelativehumiditiesthroughoutthecontainment,convertingthesetolocalvaporpressuresusinglocalgrouptemperaturesandapplyingamassandvolumeweightedaveragingtechnique.Thevolumefractionsfor,therelativehumiditysensorsaredeterminedinthesamemannerasthetemperaturesensorsabove.(/RH.)x(PsatforT.)=Pv.JJPv=T(Pv4Vf)/T.JJwhere:%RH.PsalmforT.Pv.PvTVfTJ'elativeHumidityforSensorjSteamTableSaturationPressureforlocalgroupaveragetemperaturenearsensorjCalculatedlocalvaporpressureforsensorContainmentWatervaporpressure(Average)ContainmentAbsoluteTemperature(Average)VolumeFract'ionforsensorjLocaltemperatureforsensorjTheInstrumentSelectionGuideorISGisusedtodeterminetheabilityoftheinstrumentationsystemtomeasuretheleakagerate.ThecalculatedISGforthistestmetallacceptancecriteriaforalltestinstrumentationsystems.1.TemeratureInstrumentationFortyprecisionResistanceTemperatureDetectors(RTDs)werelocatedthroughoutthecontainmenttoallowmeasurementoftheweightedaverageair IIII temperature.ThelocationofthetemperaturedetectorsinthecontainmentisdepictedinFigure1.EachRTDsensorwassuppliedwithacalibratedresistanceversustemperaturecurveaccurateto+8.5F.ThesensitivityandrepeatabilityofeachRTDsensorislessthan+8.8126F.CThesignalconditioningcircuitandreadoutfortheRTDsensorswasaFluke2288Bdataloggero'peratinginaconstant,currentmode.TheoperatingparametersfortheRTDconstantcurrentcardareaccurateto+8.16Fandhavearesolutionof+8.81F.EachRTDwasin-situcalibrationcheckedafterinstallationtoverifycorrectoperation.ThedataloggeroperatingasatotalloopwithanRTDinthecircuithasarepeatabilityof+8~81F'ndaresolutionof+881oF2.Humidit'InstrumentationTenResistanceHumidityDetectors(RHDs>werelocatedthroughouttheIcontainmenttoallowmeasurementoftheweightedaveragecontainmentvaporpressure.ThelocationoftheRHDsinthecontainmentisdepictedinFigure2.ThecalibratedaccuracyoftheRHDsis+2.5percentRH,therepeatabilityoftheRHDsis+8.1percentRH,andthesensitivityoftheRHDsis+8.81percentRH.Thereadoutdev'iceusedfortheRHDswasaFluke2288Bdataloggeroperatinginavoltagemeasurementmode.EachRHDwasinsitucalibrationcheckedafterinstallationtoverifycorrectoperation.Therepeatabilityoftheloopis+8.1percentRHwhiletheresolutionofthedeviceis+8.81percentRH.3.PressureInstrumentationTwoVolumetricprecisionpressuremonitorswereusedtodeterminecontainmentabsolutepressure.Thearrangementoftubingconnections,5 betweenthemonitorsandthecontainmentissho~ninFigure3.Eithermonitorcouldbeusedastheprimarypressuresensorforleakageratecalculationswiththeremainingsensorconsideredasabackup.Thecalibratedaccuracyofthemonitoris+8.815percentofreading.Thesensitivity,repeatability,andresolutionofthemonitoris+$.881psi.BinaryCodedDecimal<BCD)outputfrombothmonitorswasconnectedtotheFluke2288Bdatalogger.4.FlowInstrumentationAvariableareafloat-typerotameterwasusedtosuperimposeleakageduringthesupplementaryCLRT.ThepipingconnectionbetweentherotameterandthecontainmentisshowninFigure3.Theaccuracy,repeatability,andsensitivityfortherotameterinunitsofSCFNandconvertedtoequivalentleakagevaluesisgivenbelow:PeakPressureRotameter,AccuracyRepeatabilitySensitivitySCFN+8.28+8.85'+8.85Equiva1entL~a~acae+8.8831%/day+8.8888%/day+8.8888//day5.InstrumentSelectionGuide(ISG)CalculationTheInstrumentSelectionGuideisa'ethodofcompilingtheinstrumen-tationsensitivityandresolutionforeach.processmeasurementvariableusedduringtheILRTandevaluatingthetotalinstrumentationsystem'sabilitytodetectleakageratesintherangerequired.TheISGformulaisdescribedinAmericanNationalStandardANSI/ANS56.8-1987.AlthoughtheISGisaveryconservativemeasureofsensitivity,thegeneralindustrypracticeforthistesthasbeentorequiresensitivityatleastfourtimesbetterthanthecontainmentallowableleakageorISG<$.25La.ThecalculatedISGfortheinstrumentationusedforthistestwas8~8883percentper'day,foran8hourtest.Theallowablevalueforthistestis8.25Laor$.125percentperday,foran8hourtest.TheISGcalculationmetallrecommendedcriteriaanddemonstratedtheabilityoftheILRTinstrumentationsystemtomeasurecontainmentleakagewithasensitivityt IIIIII exceedingthatrequiredbytheappropriateindustrystandards.C.ContainmentPressurizationEuimentTheequipmentusedtopressurizethecontainment.isshowninFigure4~Thethirteenoil-freeindustrialdiesel-drivenaircompressorshadatotalnominalcapacityofl2,988SCFM.Thecompressedairwasthenroutedtowater-cooledafter-coolers,moistureseparators,andrefrigerantairdryers.Thisequipmentassuredthatcleananddryairwasusedtopressurizethecontainment.D.DescritionoftheComuterProramTheEbascoILRTcomputerprogramisaninteractiveprogramwrittenspecificallyforfast,easyutilizationduringallphasesoftheILRTandCLRT.Theprogramiswritteninahigh-level,compiled,structuredlanguageandisoperatedonaportableNS-DOSpersonalcomputer.TheprogramhasbeenverifiedandmeetsallrequirementsoftheEbascoandFloridaPower&LightQualityAssurancePrograms.Asnecessary,dataentryandmodificationsarereadilyaccomplishedbythedataacquisitionteam.Inadditiontoextensivedataverificationroutines,theprogramcalculates,ondemand,totaltimeandmasspointleakratesaswel1asthe95percentUpperConfidenceLevelfortheseleakageratecalculations.CalculationsandmethodologyoftheprogramarederivedfromAmericanNationalStandardANSIN45.4-1972andTopicalReport,BN-TOP-1,Revisionl.Inputdatamaybedeletedforagiveninstrumentinthecaseofasensormalfunction.Thedeletionofagiveninstrumentisperformedonallsamplesinthedatabase.Weighingfactors,ifapplicable,arethenrecalculatedfortheremaininginstrumentsensorsofthattype(seesectionIII.A).Dataevaluationsareenhancedbytheflexibledisplayofeithersensorvariablesorvariouscomputedvaluesintabularorgraphicalformonthecomputerscreenorprinter.Dataarerecordedonmagneticmediatoprevent IIIII lossduringthetesting.Al1dataarestoredonthecomputersysteminuse,withretrievalcapabilitytoanydesireddatabasethroughoutthetesting.Ancillaryportionsoftheprogramassisttheuserindeterminingtemperaturestabilization,determiningtheILRTterminationcriteria,performingISGcalculations,performinginsituinstrumentloopperformancecalculationsanddeterminingacceptablesuperimposedCLRTleakageveri-fication.Temperature,pressureandhumiditydataaretransmittedfromtheILRTinstrumentationsystemtothecomputerviaanRS-252linkat28minuteintervals(seeFigure5).Computerverificationandcheckingroutinessupplementdataverificationbythedataacquisitionteam.Modificationscanbepromptlymadeiferrorsaredet'ected.E.DescritionoftheTestinSeuencePreparationstopressurizethecontainmentfortheconductionoftheILRTincludedinternalandexternalinspectionsofthecontainment.structure;installationandcheckoutoftheILRTinstrumentation;Types"B"and"C"LocalLeakageRateTests;alignmentofvalvesandbreakersfortestconditions;andtheinstallationandcheckoutofthetemporarypressurizationfacilities.ThesepreparationswerecompletedonApril5,1998.Al1ILRTinstrumentationwasdeclaredoperablewithperformancewithinmanufacturers'o)erances.PressuresensorNo.1wasselectedtobetheprimarypressureinstrument,asithadexhibitedbetterrepeatabilityandstabilityduringtheinsitutesting.ThreepenetrationswererequiredtobeinserviceduringtheILRTandwerenotlineduptosimulateaccidentconditions;P-52D(ILRTPressureSensingLine),P-52E(ILRTControlledBleed-offLine),andP-54(ILRTPres-III surizationLine).ThethreeILRTpenetrationsareusedtoconductthetest.Theminimumpathwayleakageforthosepenetrations,determinedduringType"C"localtesting,isaddedtothemeasuredILRTleakagetoaccountforthesepenetrationsbeinginserviceduringthetest.Pressurizationofthecontainmentstartedat8314hoursonApril5,1998.Figure6pictoriallydepictsthesequenceoftesting.Thepressurizationratewasmaintainedat4psi/hr.Earlyinthepressurizationmode,theAssistantNuclearPlantSupervisor(ANPS)requestedthat,thetestbestoppedduetoPDIS-25-1B(ContainmentdPsensor)failinglow,whichcausedFCV-25-8(ContainmentVacuumBreaker)toopenonhighvacuum.ThefusesforFCV-25-8werepulled,shuttingthevalve,andpressurizationwasrestarted.SubsequenttocompletionoftheILRTthePDISwasrepaired.Thetargetpressureof55.165psiawasachievedat138Shourson4/5/89.Thistargetpressurewas8.865psiabovetheminimumtestpressuretoaccountfortheexpectedpressuredecreaseduetotemperaturestabilizationandtoallowforsomeleakagemarginduringthetestsequence.Dataacquisitionandanalysisduringthetemperaturestabilizationphasebeganat1318hoursat28minuteintervals.Thecontainmenttemperaturestabilizationcriteriawasmetat1718hoursonApril5,1998,afteracquisitionoffourhoursofdata.Duringthisperiod,thetemperatureandpressuredecreasesfollowedpredictabletrends,andthetrendofvaporpressurewasstable.SixhoursintotheILRTholdtime,leakagehadincreasedtogreaterthan.375//dayinmagnitude.Twovalveswerefoundtobeleaking)MV872AMV-87-2B(ContainmentSumpValves).Bothofthesevalvesareinserviceandcoveredwithwaterduringthedesignbasisaccident.TheyareboundaryvalvesfortheILRT(seesect.III.C).Thesevalveswerecheckedshut,MV-87-2Areceived'woturnsandMV-87-2Breceivedthreeturns.TheILRTholdtimewasrestartedat2318.

II1 The8hourperiodofleakagemeasurementsstartedat2318hoursonApril5,1998,andwassuccessfullyterminatedat8718hoursonApril6,1998,allotheracceptancecriteriacontainedinBn-TopweremetandtheILRTwasshowntobesuccessful.Thedataaccumulateddisplayedthefollowingleakagerates:SimpleBN-TOP-1LeakageRate=8.8694%/dayFittedBN-TOP-1LeakageRate=8.$826//day95%UpperConfidenceLevel(UCL)=8.1B18//daySinceleakageplothad-anegativeskew(tendingtodecrease)after8hours,theleakageratewasnotextrapolatedlinearlyto24hours,usingthelast28datapoints.Theacceptancecriteriaforthistestis8.75Laor8.375%/day.ToverifytheresultsoftheILRT,averificationControlledLeakageRateTest(CLRT)wasconducted.Usingthevariableareafull-pressurerotameter,asuperimposedflowof19.0SCFNwas'ddedtotheleakagealreadypresentinthecontainment.Thissuperimposedflowisequivalenttoleakageof8.299percentperday.Aone-hourstabilizationperiodwasallowedtolapseafteradditionofthisleakageinaccordancewiththerequirementsofTopicalReportBN-TOP-1.DataaccumulationfortheCLRTwasstartedat8818hoursonApril6,1998andtheCLRTwasconductedforafour-hourperiod.ThemeasuredCLRTleakageratesforthisperiodwere:SimpleBN-TOP-1LeakageRate=8.3290%/dayFittedBN-TOP-1LeakageRate=8.3336%/dayThetargetCLRTleakageforthistestwas8.382+8.125percentperday,orwithinthecriteriaasmeasured.TheILRTandCLRTweredeclaredsuccessfulat1218hoursonApril6,1998.At1216hoursonApril6,1998,depressurizationofthecontainmentwasinitiatedatarateof6psi/hr.Containmententryforpost-testinspectionpurposesoccurredwhenthecontainmentpressurewasapproximately$.5psigat.2$$$hoursonApril6,199$.Thepost-testVinspectiondetectednoanomaliesordamageotherthanseveralcranerail IIII lightswereoutandsomepaintblistersontheshieldwall.CorrectionsweremadetothemeasuredILRTleakagetoaccountforthethreepenetrationswhichwereinserviceduringtheILRTandtoaccountforthedifferencebetweentheas-foundandas-leftminimumpathwayloca).leakagevaluesasrequiredbyNRCI5EInformationNotice85-71.95%UpperConfidenceLevel(UCL)duringILRTCorrectionsforLocalLeakageMeasurementsTotalReportedContainmentUCL8.181%/day8.8137%/da8.1947%/dayThisvaluesatisfiestheacceptancecriteriathan8.375percentperday.forthetestofbeinglessIII.ANALYSISANDINTERPRETATIONA.InstrumentationSstemPerformanceAllofthefortytemperaturedetectorsperformedasexpectedwithnoanomalousbehaviordetectedbydatatrendanalysisorbytheEbascoILRTcomputerprogramerrorcheckingroutines.Thecomputerprogramalsodetermines,theinsitutemperaturelooprepeatabilitywhichconsistsofprocessmeasurementvariationsaswellassensornoise.Theaverageinsitulooprepeatabilityforthefortyoperatingtemperaturesensorswas8.813F.Thisperformancecompareswellwiththevendor-claimed0temperaturesensorlooprepeatability,excludingprocessvariations,asgiveninSectionII.81.TenrelativehumiditysensorswereinstalledinthecontainmentfortheILRT.AlloperatedasexpectedwithnoanomalousbehaviordetectedbydatatrendanalysisorbytheILRTcomputerprogramerrorcheckingroutines.Theaverageinsitulooprepeatabilityfortherelativehumiditysensorswas8.1percentRH.Thisperformancecompareswellwiththevendor-claimedhumiditysensorlooprepeatability,excludingprocessvariations,asgiveninSectionII.B2.11 I

TwopressuresensorswereinstalledfortheILRT,withoneutilizedfortestingandoneconsideredasaspare.Priortocontainmentpressurization,analysisdemonstratedthatpressuresensor1wasmorestableoveraneighthourperiodthantheothersensor.DuringtheILRT,theinsitupressurelooprepeatabilityforbothsensorswas8.881psi~Thisperformancecompareswellwiththevendor-claimedpressuresensorlooprepeatability,excludingprocessvariations,giveninSectionII.B.3-Thevariablearearotameterperformedasexpectedwithnoevidenceofunstablereading,floatsticking,ormoistureinthefloattube.Insummary,alloftheILRTtestinstrumentationperformedinanadequatemannertoallowdete'rminationofcontainmentleakageratestothesensitivityrequired.B.TemeratureStabilizationPhasePriortopressurizationofthecontainment,theatmospherewasverystablewithanaveragetemperatureof82.1Fandamaximumspreadof'em-peraturefromthehighestreadingsensortolowestreadingsensorof3-9F.Duringpressurization,theheatofcompressionoftheairoccursmainlyatthetopofthecontainmentwithcolderpressurizationairbeingaddedatthebottom.Attheendofpressurization,theaveragetemperaturewas96.4Fwithamaximumspreadoftemperaturefromthehighestreadingsensortolowestreadingsensorof24.4F.Theresultsofthefour-hourtemperaturestabilizationphasearepresentedinAppendixB.l.TheacceptancecriteriagiveninTopicalReportBN-TOP-1,Revision1,aredescribedinNote2inthatappendix.Thedatapresentedshowsthatasmoothandpredictabletemperaturestabilizationoccurred.Attheendofstabilization,theaveragetemperaturewasBB-BFandthemaximumspreadoftemperaturefromthehighestreadingsensortothelowestreadingsensorwas13.1F.Thisdemonstratesthattheheatsinksofconcreteandsteelinthecontainment,werequicklyreturningthecontainmentatmospheretoastablecondition.12 I

C.LeakaeSurvePhaseLeakageinexcessof.375Lawasnotedafterthetemperaturestabili-zationphasecriteria'hadbeenmet.Leakagesurveyteamsweredispatchedtoinvestigatethesourceofleakage.Leakagewasfoundonpenetrations32and33(ContainmentSumpSuction).Nhilecheckingtheboundaryvalvesshutit,wasnotedthatNV-87-2ArequiredtwofullturnsandNV-87-2Brequiredthreefullturnstobefullyclosed.ThesetwoisolationvalvesarenotconsideredaspotentialleakagebarriersintheFinalSafety'AnalysisReport(FSAR)sectionsh.2.4.2and6.2.4.4andthusarenotsubjecttotypeCorBypassleakagetestingastheywillbewatercoveredinalossofcoolantaccidentandopenduringtherecirculationphaseofthetransient.Anywaterleakagethroughthesevalvesintheclosedpositionwil1bereturnedtothecontainment.bytheSafetyInjectionSystempumps.Nopotentialcontainmentleakageoroff-sitedoseiscredibleduetoseatleakageofthesevalvesintheclosedposition.LeakageratemeasurementsonthecontainmentwererestartedaftertheleakagesurveyphaseusingthetotaltimeleakageratemethodsofTopicalReportBN-TOP-1,Revision1.Asanadditionaldiagnostictool,masspointleakageratemeasurements,asdescribedinANSI/ANS56.8-1981,wereconductedinparallel.Themasspointleakagecalculationsarenotsensitivetothestartingpointofthetestandwilldetectchangesincontainmentleakagemorerapidlythanthetotaltimemethod.D.InteratedLeakaeRatePhaseLeakagemeasurementswerestartedat2318hoursonApril5,1998.ThetotaltimeBN-TQP-1resultsforeighthoursofleakagemeasurementsarepresentedinAppendixB.3.Asummaryofthemeasuredleakageaftereighthoursis:BN-TQP-1TotalTimeSimpleLeakageRateFittedLeakageRateUpperConfidenceLevel8.869%/day8.883%/day8.181%/dayThehigherUpperConfidenceLeveloftheBN-TOP-1measurementsisdue tothenatureofperformingregressionanalysisonsimpleleakageratesinsteadofregressionanalysisonmassesandthemoreconservativestatisticsutilizedbyBN-TOP-I.AsallacceptancecriteriaforaReducedDurationBN-TOP-lILRTweremetat.eighthoursaspresentedinAppendixB.2,theILRTwasdec1aredacceptable..AppendixApresentsthecorrectionstothemeasuredILRTleakageratesforlocalleakageratemeasurementsforboththe"as-found"and"as-left"cases.E.UerificationofControlledLeakaeRatePhaseSubsequenttotheacceptanceoftheILRTresults,asuperimposedleakageequivalentto8.2'P9percentperdaywasaddedtotheexistingcontainmentleakageusingthevariablearearotameter.Aone-hourstabilizationperiodwasallowedtolapseafteradditionofthisleakageinaccordancewiththerequirementsofTopicalReportBN-TOP-i.LeakagemeasurementswereinitiatedtoverifytheresultsoftheILRT.TheminimumdurationfortheControlledLeakageRatePhasewasdeterminedtobefourhoursinaccordancewithTopicalReportBN-TOP-I.AspresentedinAppendixB.3,theleakagemeasurementsmettheacceptancecriteriafortheverificationphase.BN-TOP-lTotalTimeSimpleLeakageRateFittedLeakageRate8.362%/day8.348//day14 IIIIII IIREX:TXCMX'VII

RTDLOCATIONSANDVOLUMES3RTD'sel.194VOLUME242,055CUFT.RTD38-409RTD'Sel.171'OLUME453,235CUFTRTD29-3710RTD'Sel.130'OLUME669,627CUFTRTD9-1810RTD'Sel.84'OLUME600,926CUFTRTD19-288RTD'SEL.40'OLUME534,157CUFTRTD1-8Figure1 tRHDLOCATIONSANDVOLUMESN3RHD'SIel171'OLLIME1,049,347CUFTRHD8-104RHD'Sel84'OLUME900,640CUFTRHD4-73RHD'Sel40'OLUME550,013CUFTRHD1-3Figure2 IIIIIIII FLOWDIAGRAMILRTPRESSURESENSING&CONTROLLEDLEAKAGEINSTRUMENTSINSIDECONTAINMENTOUTSIDECONTAINMENTPIVOLUMETRICSABSOLUTEPRESSURESENSORmonitoredventP52ECONDENSATEPOTVOLUMEIRICSABSOLUTEPRESSURESENSORPlFl52DCONDENSATEPOTVARIABLAREAROTAMETERFl ILRTPRESSURIZATIONBcDEPRESSURIZINGSYSTEMTOATMOSPHERElTOUNITNO.2ILRTPENETRATIONdrippotIIIIP58"blindflangeremovedforifrtoutsidecontainmentinsidecontainment5refrigerantdryersDieseldrivenindustrial100%oilfreeaircompressors/(12,900cfmtotal)~/C(13compressors)aca/ca/c

ILRT'NSTRUMENTATIONDIAGRAMDATACOLLECTION,OUTPUT,ANDSTORAGEolumetricsPressureSensor40FlukeDataLoggerIBMPCEBASCOSoftwarePrinterPrinterHumidityDetector10HumetgDataCollection*DataAnalysisDisketteIBMPCEBASCOSoftwarePrinterDiskette 40ILRTTESTSEQUENCEIIIIIIIIIIIIIIIIII~25Ce~2010A:PRESSURIZATIONB:CONTAINMENTSTABILATIONPERIODC:LEAKCHASEPERIODD:INTEGRATEDLEAKAGERATETESTE:CONTROLLEDLEAKAGERATETEST(CLRT)F:DEPRESSURIZATIONo~~~~y)

22 II IANDIvI TABULATIONOF"AS-FOUND"AND"AS-LEFT"ILRTRESULTSA.CorrectionofILRTResultsfor"AS-FOUND"CaseInaccordancewithNRC18cEInformationNotice85-71,additionsarerequiredtotheILRTresultsduetorepairsand/oradjustmentsmadeduetoLocalLeakageratetestingduringanoutageinwhichanILRTisconducted.ThecorrectionsincludeonlyrepairsoradjustmentsmadetocontainmentleakageboundarieswhichweremadepriortotheILRT.Thesecorrectionsarethedifferencebetweenthepre-repair.andpost-repairleakagescalculatedintheminimumpathwaycaseandcorrectedforuncertaintiesinthemeasurements.PenetrationTotalMinimumPathwaLeakaeUncertaintILRTCorrectionP-11PurgeSupplyP-43RxDrnTnkpmpsuctionP-67CntnmntVacuumReliefP-68CntnmntVacuumReliefPersonnelAirLock82$$sccm15$sccm35$sccm14$sccm162$$sccm1$9sccm12.8sccm1.8sccm1.8sccm1$9sccm83$9sccm163sccm352sccm142sccm163$9sccmThetotallocalminimumpathwayleakageplusuncertaintymustbeaddedforthepenetrationswhichareinuseduringtheILRTandwhosecontainmentisolationvalvesarenottested:PenetrationP-52DILRTTestP-52EILRTTestP-54ILRTPressurizationTotalMinimumPathwaLeakae$sccm$sccm$sccm1.8sccm1.8sccm1.8sccmILRTCorrection1.8sccm1.8sccm1.8sccmThetotal"as-found"correctioncanbefoundaddingtheaboveILRTcorrections.

II CorrectionofILRTresultsfor"as-found"caseMeasuredILRTleakageata95%UCLReported"as-found"ILRTresultsAcceptanceCriteria(75/La)25281sccm.8137%/day+8.1S1%/day8.1947//day8.375%/dayB.CorrectionofILRTResultsfor"AS-LEFT"CaseTheonlycorrectionforthe"as-left"ILRTcaseinvolvesthepenetrationswhichwereinuseduringthetest:P-52D,P-52EandP-54.Fromtheabovesection,theILRT"as-left"correctioncanbedetermined.(Note:Aconservativeimplicationwasmadebynotperformingaroot-mean-squaresummationofthelocaluncertainties.)CorrectionofILRTresultsfor"as-left"caseMeasuredILRTLeakageata95/UCLReported"as-left"ILRTresultsAcceptanceCriteria(75%La)5.37sccm2.95x18%/day+8.181'//day8.181%/day8.375%/day IIIIIII IIIII CDNTAINNENTINTEGRATEDLEAKAGERATEFINALTESTREPORTPSLISPRING9827 ILRTTESTSEQUENCEPSL1SPRING98SequenceStarted83:184/85/98SequenceEnded19:364/86/9828 IIIIIIII AppendixB.lTENPERATURESTABILIZATIONNODEPSL1SPRING98SequenceStarted13:184/85/98SequenceEnded17:184/85/98 III PSL1SPRING98STABILIZATIONPERIOD"STARTEDAT13:18ON4/85/98TEMPERATURESTABILIZATIONSAMPLETIMEAVETEMPNUMBERHOURSDEGFDELTAT/HRDELTAT/HRLAST2HRSLAST1HRDELTAT/HRCHANGE1256789181112138.888.338.671.8$1.331.672.882.332.673.883.333.674.8895.96493.79892.61191.84891.2799$.83398.46298.12789.83489.54789.38$89.86888.8428.8888.8888.8888.8888.888$.888-2.751-1.831-1.389-1.146-$.99$-8.887-8.8188.8888.8888.888-4.124-2.511-1.778-1.378-1.152-8.'999-8.915-$.827-8.774-8.7$58.8888.8888.8888.$$$8.8888.8881.3738.6798.3898.231$.1638.1138.1854NOTES1)THE1HOURAND2HOURDELTATEMPERATUREVALUESARENQTVALIDUNTIL1HOURAND2HOURS,RESPECTIVELY,HAVEPASSEDINTHETEST2)THESTABILIZATIONCRITERIAISMETWHEN:-THEHOURLYAVERAGEDELTATFQRTHEPRECEDINGHOURDIFFERSFROMTHEHOURLYAVERAGEDEITATFORTHEPRECEDING2,HOURSBYLESSTHAN8.5DEGREESF.OR-THEHOURLYAVERAGEDELTATFORTHEPRECEDING2HOURSISLESSTHAN1.8DEGREESF.-THESTABILIZATIQNPERIODISAMINIMUMOF4HOURS3)THE"4"INDICATESTHATTHESTABILIZATIONCRITERIAHASBEENMET.

IIIII 989796959493929190898887TemperatureStabilizationTemperatureStabilizationcriteriamet850.001.002.003.004.00HOURSINTEST AppendixB.2ILRTTESTNODEPSL1SPRING98SequenceStarted23:184/85/98SequenceEnded87:184/86/98 IIIII PSL1SPRING98CONTAINMENTINTEGRATEDLEAKAGERATETESTLEAKAGERATEISMEASUREDUSINGTHEABSOLUTEMETHODANDISCOMPUTEDUSINGTHETOTALTIMEMETHODINSTRICTACCORDANCEWITHTOPICALREPORTBN-TOP-1(REV1)TESTPERIODSTARTEDAT23:18HOURSON4/85/98TESTCONDUCTEDFOR8.$$HOURSFREESPACEVOLUMEOFCONTAINMENTIS2588888CUFTCONTAINMENTWASPRESSURIZEDTO55.16PSIAFITTEDTOTALTIMEILRTLEAKAGERATELamUPPERLIMITQF95%CONFIDENCELEVELUCLCONTAINMENTDESIGNLEAKAGERATELaILRTACCEPTANCECRITERIA75/.La8.883%/DAY$.1B1%/DAY8.588//DAY8.375//DAY llII BN-TQPREDUCEDDURATIONILRTTERMINATIONCRITERIA-THETRENDOFTHETOTALTIMECALCULATEDLEAKAGERATESHALLINDICATETHATTHEMAGNITUDEQFTHELEAKAGERATEISTENDINGTQSTABILIZEATAVALUELESSTHANOREQUALTO75%QFLa.La=8.588%/DAY75%La=8.375%/DAY.Lam8.883%/DAYwithaNegativeSkew-ATTHEENDOFTHEILRTTHEUPPERLIMITOFTHE'P5%CONFIDENCELEVELSHALLBELESSTHANOREQUALTO75%OFLa.UCL=8.i8i%/DAY-THEMEANOFTHEMEASUREDLEAKAGERATESOVERTHELAST5HOURSOR28DATASETS,NHICHEVERPROVIDESTHEMOSTPOINTS,SHALLBELESSTHANOREQUALTO75%OFLa.MEANQFSIMPLELEAKAGEFORSAMPLES=8.ilh%/DAY

DESCRIPTIONQFVARIABLESAVETEMP-CONTAINMENTMEANTEMPERATURECALCULATEDFROMVOLUMETRICALLYWEIGHTEDRTDSENSORINDICATIONS.PRESSURE-PRIMARYCONTAINMENTPRESSUREINDICATION.VAPORPRES-CONTAINMENTVAPORPRESSURECALCULATEDFROMVOLUMETRICALLYWEIGHTEDHUMIDITY/DEWPOINTSENSORINDICATIONS.LEAKSIM-SIMPLETOTALTIMEMEASUREDLEAKAGERATE.LEAKFIT-LEAKAGERATECALCULATEDFROMFIRSTORDERREGRESSIONOFSIMPLETOTALTIMELEAKAGERATEDATA.95%UCL-UPPERLIMITOFTHE95/CONFIDENCELEVELOFFITTEDLEAKAGERATEDATA.AIRMASS-CONTAINMENTAIRMASS.NOTESFORTABULARDATA1.TABLEVALUESOFZEROSIGNIFYTHEDATAISNOTAPPLICABLETOTHECALCULATION.2."DELETED"SIGNIFIESTHESENSORWASDELETED.

II 88ILRTWEIGHTEDAVERAGETEMPERATURE8786.85HOURSINTEST ILRTCONTAINMENTABSOLUTEPRESSURE5655.955.855.755.655.555A55.355.255.15554.954.854.754.654.554.454.354.254.154HOURSINTEST I

ILRTWEIGHTEDAVERAGEVAPORPRESSURE0.30.2990.2980.2970.2960.2950.2940.2930.2920.2910.290.2890.2880.2870.2860.2850.2840.2830.2820.2810.28,0HOURSINTESl I

ILRTAIRMASS680679.5679o678.5z~678Z~+677.55677676.5676HOVRSINTEST I

0.6ILRTBN-TOPLeakageRatesRelotivetoLimits0.5LaOA75%La0.30.20.1UCL+.FIlTEDLEAKAGEHOURSINTESl0Lah75%La II SAMTIMENOHOURSAVETEMPDEBFILRTVARIABLETABLESUMMARYPRESSUREVAPPRESLEAKSIMLEAKFITUCLAIRMASSPSIA%/DAY%/DAY%/DAYLBS23567891811121314156192$212223248.888.338.671'81.331.672'82.332.673.883.333.674.884.334.675.$$5.335.676.886.336.677.$87.337.678.8886.27786.15986.86885.97685.86585.77485.67385.57785.48485.39185.29985.28885.12885.84284.95484.86484.79884.71784.64984.56784.48984.41584.34'984.27884.28755.15955.14755.13655.12455.11355.18255.89155.88155.87855.86855.$5855.84155.83155.82255.81355.88454.99654.98854.98854.97254.96454.95654.94954.94254.935$.29388.29348.29488.29388.29428.29418.29448.29428.29488.29488.29378.29348.29338.29318.29298.29248.2922$.29218.29288.29178.29138.29188.29898.29868.29848.8$8-8.8228.8998.2128.1638.1788.1748.1518.1568.1488.1488.1228.1328.1238.1148.1838.8998.$978.1888'918.885$.$828.8888.8698.8698.$$88.8888.8888.2148.2138.2198.218'.2848.1978.189$.1888.1688.1628.1548.1468.1378.129$.1228.116$.11$8.184$.$998.8948.$S88.8838.$$88.8888.8$88.2438.5398.4788.4348.4898.3848.3638.344$.3258.3188.2958.2828.2688.25582448.23'48.2248.214$.2$68.1978.1898.18167889167889367887267883167883867888767799367799267797467796667795967796467794267794867794867794667794267793667792267792867793167792867792567794167793441 III SENSORVOLUMEFRACTIONSTEMPERATURESENSORS1to56to1811to1516to2821to2526to3831to3536to488.8267888.8267888.826785$.8267858.8248378.8248378.8281448.8281448.$267888.8267888.8267858.8267858.$248378.8248378.8281448.8281448.8267888.8267888.8267858.8267858.8248378.8248378.8281448.8322748.8267888.8267858.8267858.8248378.8248378.$281448.8281448.8322748.8267888.8267858.8267858.8248378.8248378.8281448.8281448.832274HUMIDITY/DPSENSORSto56to18$.$733358.898864$.8733358.8988648.8733358.1399138.8988648.1399138.8988648.139913NOTE:VALUEOFZEROINDICATESADELETEDSENSOR.42 IIIII ILRTTEMPERATUREVARIABLESUMMARYSAMPLEDELTATEMP1NUMBERHOURSDEGFTEMP2DEGFTEMP3DEGFTEMP4DEGFTEMP5DEGFTEMP6DEGF4567891$1112131415161718192$2122232425$.$$$.33$~671.$$1~331.672.$$2.332.673.$$3.333.674.$$4'34.675.$$5.335.676'$6.33'.677.$$7.337.678'$8$.8498$.86$8$.8278$.8458$.8$98$.8388$.S498$~8168$.8278$.7738$.8388$.8498$.8$7S$.8$78$.7848$.7958$.7848$.8168$.7738$.7848$.8$$8$.7848$.7538$.7468$.74681.37781.33481.34581.36381.32881.33481.31481.3$381.3$381.28181.27$81.24981.23881.23881.2$781.22781.2$7Bi.18581.18581.16581.14781.13181.13181.12481.1368$.33$8$.3198$.3198$~3488$.3148$.33$8$.319S$.33$8$.3198$.31$8$.3198$.3198$.31$8$.31$8$.2988$.31$8$.2988$.2988$.2988$.2988$.28$8$.2878$.2768$.2698$.26$.8$.$968$.1$88$.1$88$.1378$.1$18$.13$8$.$968$.1$88$.$968$.$968$.1$88$.$968$.$968$.1$88$.$878$.$768$.$768$.$S7S$.$658$.$768$.$7$8$.$658$.$658$.$478$.$4779.65479.65479.64379.66179.65979.66679.64379.65479.64379.64379.66679.65479.64379.65479.64379.62379.63279.63279'.63279'3279.61679.62379.61279.6$579.6$581.8$981.79881.79881.8181.81481.8$981.79881.79881.79881.8$981.79881.8$981.79881.79881.79881.79881.8$981.78781.78781.78781.78$81.77581.76681.76$81.769 IIII ILRTTEMPERATUREVARIABLESUMMARYSAMPLENUMBERI12345678918111213141516171819282122232425DELTAHOURS8.888.33m.h71.881.331~672.882.332.673.883.333.674.884.334.675.885'35.676.88'.336.677.887.337.678.88TENP7DEGF79.89279.89279.88179.98779.89679.89279.89279.88179.88179.88179.88179.86979.88179.88179.88179.86979'6979.86979.85879.85879.85479.84979.85879.83179.831TEMP8DEGF79.78679.88979.81879.88479.84579.78679.81879.81879.88979.78679.78679.88979.79879.88979.75579.76479.78679.75579.77579.7557'9.75979.78679.79879.75979.737TENP9DEGF88.68488'3488.41788.24888F11187.91487.79587.72187.52987.42187.24887.15386.98386.91886.77986.71486.533S6.51186.38386.22286.11986.85285.96585.89585.777TENP18DEGF87.96287.88887.61887.49587.33187.21887.84986.89886.78286.65286.53586.48586.28886.15886.85385.95685.84985.74185.64585.54885.44585.34485'5985.16785.879TENP11DEGF88.31388.15487.97187.82887.66787.55587.36387'4587.11886.99986.87286.77686.62686.58886.41286.29686.28886.892,85.98585.91185.78685.71785.68185.51885.433TENP12DEGF88.88687.92587.76687.61187.45887.31587.14287.$2686.89686.77986.64986.52186.48386.25586.19886.87185.96385.84785.75885.665S5.56285.46185.36585.26285.174 II ILRTTEMPERATUREVARIABLESUMMARYSAMPLEDELTATENP13NUMBERHOURSDEGFTENP14DEGFTENP15DEGFTEMPibDEGFTENP17DEGFTENP18DEGF1$.$$2$.33$.6741.$$51.3361.6772.$$82.332.671$3.$$113.33123.67134.$$144.33154.67165.$$175.33185.67196.$$2$6.33216.67227.$$237.33247.67258.$$88.13$87.96$87.83387.67887.5$487.37287.22287.$9486.95386.82686.7$786.58$86.46186.35686.24886.14186.$2285.92685.82185.74585.63185.53$85.45685.34285.25788.13987.98987.83887.68387.52287.38787.24887.1$986.97$86.84286.72386.6$486.47686.37986.25186.14486.$4785.93985.84385.74685.63285.54285.46685.36585.27888.24388.$9387.93487.8$$87.63987.5$587.33487.21687.$9986.94986.83186.71486.59686.47786.37286.25386.15786.$6185.94285.85785.75485.65485.56885.46685.38988.1$887.'96987.79687.67587.51287.38$87.23$87.1$286.97286'3386.7$686.58786.44886.36386.24486.12686.$2985.94485.82885.72985.62885.54885.44$85.36$85.26388.18488.$2387.88487.74$87.56787.43287.27387.15487.$$386.88786.76886.64986.53286.4$286'9686.18986.$9285.98485.88885.78$85.68885.58785.49$85.41985.31188.22688.$6787.9$687.78387.6$$87.4?987.31887.17987.$6$86.93386.8$386.68786.56886.44186.33386.22686.11886.$2285.91585.81985.71685.62685.54185.44985.353 IIIII ILRTTFNP'ERATUREVARIABLESUMMARYSANPLENUMBER5678918111213141516171819282122232425DELTAHOURS8.888.338'71.881.331.672.882'32.673.8$3.333.674'84'34.675.885.335.676.$$6.336'77.887.337.67S.88TEMP19DEGF88.84587.86287.78887.61387.49287.36887.21987.18387.82786.93886.68486.61$S6.54586.41886.29986.17186.89585.979S5.89485.78685.69585.65785.52985.42685'.341TEMP28DEGF86.82886.88986.79886.76686.72886.72886.88286.67486.56786.49886.46686.39486.32$86.26686.16886.87486.86885.99585.89985.83885.75385.68885.66885.56885.424TENP21DEGF86.64886.55286.55286.51886.45886.54586.59786.46986'6986.39586.28386.26586.37386.16886.19886.85285.98385.92985.87885.84S85.72185.62485.54885.47485.369TENP22DEGF87'8387.38387.24187.28387.13886.98886.91286.81686.75386.63586.58386.41186.29386.28886.89886.81585.98385.81885.73385.63185.51285.45885.36285.26685.183TEMP23DEGF87.79787.72187.65887.614'7.62987.57687.47987.38387.28787.15987'3686.94586.84886'6486.63286.52986.42886.33286.26786.16486.86885.98385.98985.88285.719TENP24DEGF87.23987.143S7.18987.88987.$2987.84886.97586.89886.98186.84786.77786.62186.64386.54786.45786.38586.28486.28486.17986.13886.8$$85.96885.S8385.88785.713 IIII ILRTTEMPERATUREVARIABLESUMMARYSAMPLEDELTATEMP25NUMBERHOURSDEGFTEMP26TEMP27DEGFDEGFTEMP28DEGFTEMP29DEGFTEMP3$DEGF1$.$$2$.33$.6741.$$51.3361.6772.$$82.3392.671$3.$$113.33123.6?134.$$144.33154.67ib5.$$175.33185.67196.$$2$6.33216.67227.$$237.33247.67258.$$87.9$187.67887.6$487.44387.34$87.19$87.$7486.94486.81686.69886.55586.46386.33586.21786.1$786.$1385.9$485.8$885.73285.62$85.52485.41685.34$85.25585.17388.$5387.75487.76387.61587.52187'3687.35$87.26587.14687.$$786.9$686.77186.66386.57886.46886.35486.27386.17686.$9185.98885.89185.78485.71$85.61385.54187.57787.46$87.4$787.37387.3$487.13287.15487.$1586.'88586.81286.,7$$86.61986.49286.44786.32686.22386.14586.$3S85.96485.87$85.8$785.66985.6$485.5$885.44587.82987.67987.6$587.64887.41587.24587.18$87.$4186.97986.92586.85686.72186.62586.46486.38686.24186.19486.$9786.$3285.95285.83385.73785.66385.56785.49387.99287.84287.69487'5387.39887.26887.$7586.95986.84$86.68186.58$86.45586.37$86.24286.12186.$$5S5.9$685.77785.71485.57785.51585.41885.31185.22685.14387.88487.7$287.53$87.424.87.25687.13786.95686.83986.7$$86.53986.44986.31386.17486.$8985.99985.83185.76485.63685.59385.45785.36$85.22185.17985.$6$85.$$$

IIIII ILRTTENPERATUREVARIABLESUNNARYSANPLEDELTATENP31NUNBERHOURSDEGFTENP32DEGFTENP33DEGFTENP34DEGFTENP35DEGFTENP36DEGF1$~$$2$.33$.6741.$$51.3361.6772.$$82'392.671$,3.$$ll3-33123.67134.$$144.33154.67165.$$175.33185.67196.$$2$6.33216.67227.$$237.33247.67258.$$87.8$687.63687.46487.29487.16$87.$5386.88386.75486.62786.48886.38886.22$86.1$486.$3985.9$885.77485.66285.59785.49285.41$85.29485.18685.12285.$2684.96587.92$87.75$87.57787.41687.28287.16586.99286.88586.74686.61886.5$686.34$86.25386.15786'2785.87985.76985.7$485.61985.51685.42$85.32385.22785.13185.$6887.99187.84387.64$87.5$187.38787.22587.$7586.95986.8$986.7$186.55886.44686.31686.23186.$998595485.86485.77785'9285.6$$85.49385.39785.32385.2$485.15387.83187.65887'7687.35987.21487.$7486.92486.79486.63586.52786.41586.26986.16186.$4485.93585.81885.7$885.6$$85.54685.42385.33685.23$85.14385.$3784.97487.85287.69387.52$87.4$487.21587.$8586.94786.79686.68$86.55$86.41886.31586.21886.$9$85.96985.84485.74385.64785.58485.47$85.36285.25585.18185.$6285.$$287.78287.62387.47387.33487.16687.$1586.87686.73886.6$886.48$86.34886.25686.15986'$'985.9$885.77485.68485.59985.51285.4$$85.31285.19685.12$85.$$384.929 IIIIIII ILRTTENPERATUREVARIABLESUMMARYSAMPLEDELTATENP37NUMBERHOURSDEGFTEMP38DEGFTEMP39DEGFTEMP4$DEGF4567891$1112131415161718192$2122232425$.$$$.33$.671.$$1.331.672.$$2.332.673.$$3.333.674.$$4.334.675.$$5.335.676.$$6.336.677.$$7.337.678.$$88.$1987.84987.71$87.57287.39287.27687.13786.99886.86$86.71986.6$986.48486.39886.26$86.15$S6.$$285.92485.82885.75485.62985.54485.42585.37185.24485.17287.67787.51687.33587.22887.$6286.92186.75186.62386.49486.36686.26586.1$986.$3585.93985.78485.67$85.59285.47685.42285.26585.18985.$7384.99784.89284'.84$87.95987.78887.6$787.48887.31187.Z$487.$2386.88486.754'86.63786.52586.38$86.Z8486.15686.$5585.94185.S4$85.74485.68185.52585.47185.33285.24585.16$85.12$87.77987.59587.45687.31387.17287.$2986.86786.72886.59$86.5$586.34386.236Bb.15186.$$185.89385.78685.7$185.58285.51985.38185.28785.2$885.11285.$$984.935 II ILRTPRESSUREANDHUMIDITYVARIABLESUMMARYSAMPLEDELTAPRES1NUMBERHOURSPSIAPRES2PSIAHUM'RHHUM2RHHUMRHHUM4RH18.8828.3338.6741'851.3361.6772.8882.3392.67183.88113.33123.67134.88144.33154.67165.88175.33185.67196.88286.33216.67227.88237.33247.67258.8855.16155.15855.13755.12655.11455.18455.89455.88355'7255.86355.85355.84355.83455.$2555.81655.$8754.99954.99854.98254.97454.96654.95954.95254.94454.93655.15955.14755.13655.12455.11355.18255.89155.88155.87855.86855.85855.84155.83155.82255.81355.88454.99654.98854.98854.97254.96454.95654.94954.94254.93539.49839.67839.81839.97848.16848.29848.48848.54848.68848.82848.97841.11841.25841.3B841.56841.64841.77841.93842.83842.21842.34842.49842.59842.82843.83842.69842.84842.96843.11843.24843.36843.49843.59843'9844.81844.18844.38844.56844.75844.95845.15845.37845.56845.76845.97846.28846.42846.66846.98847.15842.66842.88842.93843.14843.33843.55843.73843.91844.89844.31844.52844.67844.88845.84845.27845.45845.63845.$1846.83846.26846.44846.66846.85847.18847.34848.37848.38848.44848.54848.82848.77848.95849.12849.84$49.22849.25849.34849.31849.41849.56849.51849.55849.66849.7$849.75849.76849.82849.79849.92849.848 IIII ILRTHUMIDITYVARIABLESUMMARYSAMPLEDELTAHUM5NUMBERHOURS%RHHUM6RHHUM7RHHUM8RHHUM9RHHUM18RH18.8828.338.6741.$$51.3361.6772.8882.332.67f83.88113.33123.67134.88144.33154.67lb5.88175.33185.67196.88286.33216.67227.88237.33247.67258.8847.65847.66848.17848.28$48.21848.69848.92849.86$49.81849.48849.S8849.58849.65849.78849.78$49.87849.96858.83858.86858.11858.21858.22858.2785$.38858.36$48.36848.14849.21849.83$49.63849.54858.83858.17858.29858.43858.54$58.5985$.72$58.76858.87$58.95858.98$51'3851.89851.13$51'8851.28851.28851.38851.34847.88$48.36848.58848.32$48.71848.91849.84849.14849.28849.35849.38849.47849.52849.68849.64$49.71849.88849.82849.88849.88849.89$49.99849.98858.82858.88848.57848.69848.85848.98849.16849.26849.39849.58849.61849.74849.88849.91858.$8$58.87858.16$58.248S8.38858.36858.48858.55858.5885$.63858.7$858.74$58.78849.48849.69849.88849.96858.88858.22858.36858.45858.68858.71858.81858.8685$.99851.84851.19$51.29851.348S1.48851.45851.52851.618516185178$51.?5851.77849.67849.79849.8885$.87$58.25858.39858.53858.65858.78858.85858.98851.84851.16$51.29851.37851.43851.48851.57851.65851.72851.73851.81851.85851.88851.998 AppendixB.5CLRTTESTNODEPSL1SPRING98SequenceStarted88:180/86/98SequenceEnded12:184/86/'P852 IIII PSL1SPRING98CONTAINMENTINTEGRATEDLEAKAGERATETESTSUPPLEMENTALVERIFICATIONTESTLEAKAGERATEISMEASUREDUSINGTHEABSOLUTEMETHODANDISCOMPUTEDUSINGTHETOTALTIMEMETHODINSTRICTACCORDANCEWITHTOPICALREPORTBN-TOP-1<REV1)TESTPERIODSTARTEDAT88:18HOURSQN4/86/98TESTCONDUCTEDFOR4.88HOURSFREESPACEVOLUMEOFCONTAINMENTIS2588888CUFTCONTAINMENTNASPRESSURIZEDTO54.91PSIAFITTEDTOTALTIMEILRTLEAKAGERATELamCONTAINMENTDESIGNLEAKAGERATELaSUPERIMPOSEDCLRTLEAKAGERATELoFITTEDCLRTTOTALTIMELEAKAGERATELc8.883//DAY8.588//DAY8.299%/DAY8.334%/DAYLo+Lam-La/4<=Lc<=Lo+Lam+La/48.299+8.883-8.125<=8.334<=8.299+8.883+8.1258.257<=8.334<=8.587 IIII AVETEMPPRESSUREDESCRIPTIONOFVARIABLESCONTAINMENTMEANTEMPERATURECALCULATEDFROMVOLUMETRICALLYWEIGHTEDRTDSENSORINDICATIONS.PRIMARYCONTAINMENTPRESSUREINDICATION.VAPORPRESCONTAINMENTVAPORPRESSURECALCULATEDFROMVOLUMETRICALLYWEIGHTEDHUMIDITY/DEWPOINTSENSORINDICATIONS.LEAKSIMLEAKFIT95%UCLSIMPLETOTALTIMEMEASUREDLEAKAGERATE.LEAKAGERATECALCULATFDFROMFIRSTORDERREGRESSIONOFSIMPLETOTALTIMELEAKAGERATEDATA.UPPERLIMITOFTHE95%CONFIDENCELEVELOFFITTEDLEAKAGERATEDATA.AIRMASS-CONTAINMENTAIRMASS.NOTESFORTABULARDATA1.TABLEVALUESOFZEROSIGNIFYTHEDATAISNOTAPPLICABLETOTHECALCULATION.2."DELETED"SIGNIFIESTHESENSORWASDELETED.

8584.884.684A84.2CLRTWeightedAverageTemperature83.883.683A83.282.882.682A82.282TimeinHours III CLRTContainmentAbsolutePressure5655.955.855.755.655.555A55.355.255.15554.954.854.754.654.554A54.354.254.154TimeinHours II CLRTWeightedVaporPressure0.30.2990.2980.2970.2960.2950.2940.2930.2920.2910.290.2890.2880.2870.2860.2850.2840.2830.2820.2810.28TimeinHours Il CLRTAirMass678677.9677.8677.7m~677.6~M8g677.5~o677A677.3677.2677.1677TimeinHours

CLRTBN-TOPLeakageRatesRelativetoLimits0.90.80.70.60.5OAuperlimit0.30.2lowerlimit0.1IIIFittedLeakage+UCLTimeinHours4Lo+Lam-La/4ALo+Lam+Lc/4 III CLRTVARIABLETABLESUNNARYSANTINEAVETENPNOHOURSDEGFPRESSURFPSIAVAPPRESPSIALEAKSIN//DAYLEAKFIT%/DAYAIRNASS%/DAYLBS123456789181112138.888.338.671.881.331.672.882.332.673.883.333.674.8884.88783.94883.88583.82283.76883.78783.65183.59583.53983.48983.44483.3Sb83.34254.9$654.a9754.88854.88854.87154.86354.85554.84654.83854.83154.82354.81554.8888.28978.28958.28958.2a938.28928.28988.28898.28888.28878.2886$.28878.28848.28858.888$.2698.3638.3878.3438.3288.3168.3328.3388.3288.3358.3288.3298.$888.$$88.888$.3328.3468.3378.3388.3338.3348.3318.3348.3338.3348.8$$8.8$$8.8888.9218.5628.4868.4478.4298.4178.4858.4818.3958.391677832677887677764677745677783677682677654677613677584677561677516677492677468 lI SENSORVOLUMEFRACTIONSTEMPERATURESENSORS1to56to1811to1516to2$21to2526to3$31to3536to4$8.8267888.8267888.8267858.8267S58.8248378.8248378.8281448.8281448.8267888.8267888.8267858.8267858.8248378.8248378.828144Z.8281448.8267888.826788$.826785$.8267858.$248378.8248378.8281448.8322748.8267888.8267858.8267858.8248378.8248378.8281448.8281448.8322748.8267888.8267858.8267858.8248378.8248378.8281448.8281448.832274HUMIDITY/DPSENSORS1to58.8733358.873335$.8733358.8988648.8988646to188.8988648.898864$.1399138.1399138.139913NOTE:VALUEOFZEROINDICATESADELETEDSENSOR.

Il CLRTTENPERATUREVARIABLESUMMARYSAMPLEDELTATENP1NUMBERHOURSDEGFTENP2DEGFTEMPDEGFTENP4DEGFTENP5DEGFTENP6DEGF18.8828.338.6741.8851.3361.6772.88S2.3392.671$3.88113.33123.67134.88S8.773S8.742S8.73$S8.719S$.719S8.738S8.753S8.719S8.742S8.762S8.719S$.762S8.719S1.188Si.869S1.877S1.869S1.$7781.$69S1.846S1.857S1.835S1.846S1.824S1.$24S1.824S8.267S8.267S8.245S8.256S8.245S8.245S8.233S8.233S8.245S8.233S8.233S$.233S8.233S8.$45S8.$45S8.$45S8.834S8.$54S8.834S8.834S8.823S8.834S8.845S8.845S$.$45S8.84579.68179.5S979.5S979.5S979.5S979.57S79.57S79.57S79.57S79.57S79.57S79.57S79.681S1.755Si~744Sl.744S1~744S1.744S1.733S1~733S1.722S1.722S1.722S1.713S1~713S1.713 l

CLRTTENPERATUREVARIABLESUMMARYSAMPLEDELTATENP7NUMBERHOURSDEGFTENP8DEGFTEMP9DEGFTEMP1$DEGFTENP11DEGFTENP12DEGF1$.$$2$.333$.6741.$$51.3361.6772.$$82.332.671$3.$$113.33123.67134.$$79.81679.82779.S$479.79679.8$479.81679.8$479.79679.78479.8$479.79679.7967'9.8$479.76479.76479.76479.75579.76479.75579.73279.72179.72179.72179.71279.72185'17,85.44185.32585.24985.24985.11$85.$4584.98384.91884.78884.78884.6?284.65$84.81984.74384.66984.58284.48584.43484.35884.29284.21884.15384.$9184.$2683.96185.16385.$9885.$14'4.94984.85384.78884.71484.65$84.58784.51184.43884.37384.31984'3584.84984.77584.69984.61484'4984.46484.39984.345S4.26$84.19584.12184.$79 I

CLRTTENPERATUREVARIABLESUMMARYSAMPLEDELTATFNP13NUMBERHOURSDEGFTENP14DEGFTENP15DEGFTENP16DEGFTENP17DEGFTEMP18DEGF1$.$$2$.33$.6741~$$51.3361.6772.$$82.3392.671$3.$$ll3.33123.67134.$$85.$18S4.94284.85784.78384.69684.63384.56884.48384.4$784.35484.29184.22684.16185.$2684.94184.86784.79184.7$584.64$84.56684.49$84.41684.36284.28684.22384.15885.14185.$5484.98$84.89584.S1984.74584.66984.6$484.53$84.46584.4$384.33884.27385.$$184.92884.86384.77884.71384.64884.55284.47884.42484.35984.3$584.2$984.14685.$6284.98584.91184.82484.76184.67484.61184.53484.47284.4$684.34184.26784.2$285.11485.$2984.95384.86884.79284.71884.64284.57984.5$384.45$84.37684.31184.257, I

CLRTTENPERATUREVARIABLESUMMARYSAMPLEDELTATEMP19NUMBERHOURSDEGFTENP2$DEGFTENP21DEGFTENP22DEGFTEMP23DEGFTENP24DEGF1$.$$2$.333$.6741.$$51.3361.6772.$$82.3392.671$3.$$11333123.67134.$$85.12285.$2584.95184.875a4.a3384.73784.67284.6$984.54484.49$84.39484.32984.26785.23785.19585.1$585.$7484.99384.91784.85284.78984'2484.68884.64684.56384.52385.14385.$S985.$$884.94684.89684.81184.74684.67$84.58584.53884.49584.4$384.352S4.93584.85$84.8$384.7$784.63884.57384.49784.44684.37$84.31284.24984.16684.11585.48285.4$685.35$85.25485.2$285.1$6S5.$4484.99$84.92584.84784.79384.72284.67285.48685.39$85.35485.24685.19?85.12185.$7884.99384.93984.88184.81884.76984.7$6 II CLRTTEMPERATUREVARIABLESUMMARYSAMPLEDELTATENP25NUMBERHOURSDEGFTEMP26DEGFTEMP27DEGFTENP28DEGFTENP29DEGFTENP38DEGF123456789181112138.888.338.671.881.331~672.882.332.673.883.333.674.8884.98484.83984.75884.67484.68584.54884.46684.37984.32784.25884.28484.13584.87285.27885.28585.12685.85284.96984.98684.83884.75684.78284.63384.57884.49884.42685.19785.11285.85484.95784.89984.82384.76184.68584.62884.55384.48884.43984.37885.26785.17185.89385.82884.94884.87284.88984.73384.66884.62184.53684.47684.41584.87284.88784.72984.63284.57284.49884.44484.34884.29484.21684.18284.18284.81984.72884.64384.59684.51184.39784.32384.28884.19384F1.3884.86184.81883.93883.87566 I

CLRTTEMPERATUREVARIABLESUMMARYSAMPLEDELTATEMP31NUMBERHOURSDEGFTEMP32DEGFTEMPDEGFTEMPDEGFTEMP35DEGFTEMP36DEGF1$.$$2$.333$.6741.$$51.336f..6772.$$82.3392.671$3.$$113.33123.67134.$$84.69584.57784.52184.44584.33484.28$84.215'4.15184.$7784.$1983.95483.88583.84584.79984.68$84.62284.55984.47784.4$384.32784.25384.17984.12184.$7883.9'9583.94484.86284.77784.71$84.63384.58484.47784.4$384.34984.26484.2$684.15284.$'9284.$2$84.69484.6$984.56284.48584.4$584.319,84.24384.16984.1$484.$2683.98383.9$$83.86$84.71$84.62384'8784.51384'4184.34584.28$84.21784.13284.$5284.$2$83.92883.87784.66184.56484.51784.44184.38384.29684.22284.15784.$6$83.99383.95983.85983.81667 IIIII CLRTTEMPERATUREVARIABLESUMMARYSAMPLEDELTATEMP37NUMBERHOURSDEGFTEMP38DEGFTEMP39DEGFTEMP4$DEGF1$.$$2$.333$.6741.$$51.3361.6772'$82.3392'71$3.$$ii123.67134'$84.9$184.8$584.74784.67384.61384.52884.46384.4$$84.3$484..23484.2$384.11184.$6$84.57$84.46284.42784.34284.26184.18584.12384.$4683.96183.89283.85$83.76983.72'984.85184.72184.67484.57884.52$84.45584.37984.3$584.23184.17384.13184.$5983.97684.67384.6$884.52384.44984.38484.3$884.23484.18184.$8484.$2$83.95783.89283.83868

CLRTPRESSUREANDHUNIDITYVARIABLESUMMARYSANPLEDELTAPRES1NUMBERHOURSPSIAPRES2PSIAHUN1RHHUN2/RHHUM3RHHUN4RH1$.8828.3338.6741.8851.3361.6772.8882.332.67183.8811123.67134.8$54.98854.98854.89854.88254.87354.86554.85754.84954.84854.83354.82554.81754.81854.98654.89754.88854.88854.87154.86354.85554.84654.83854.83154.82354.81554.88843.71843.98844.23844.46844.68844.94845.21845.428"45.67845.89846.13846.32846.52847.86848.18848.36848.57848.83849.87849.31849.54849.8$858.83858.27858.51858.77848.82848.27848.52848.76848.97849.26849.47849.73849.97858.21858.43858.69858.92849.85$58.88858.88849.9985$.17858.16858.18858.16858.19858.26858.44858.32858.488 IIIII CLRTHUMIDITYVARIABLESUMMARYSAMPLEDELTAHUM5NUMBERHOURS%RHHUM6RHHUM7RHHUM8RHHUMRHHUM18RH18.8828.333$.6741.8851.3361.6772.88S2.3392.67183.88113.33123.67134.8858.45858.48858.53858.56858.58858.57858.62858.63858.69858.71858.72858.78858.83851.43851.44851.58851.47851.51851.53851.54851.63851.61851.68851.65851.73851'3858.15858.13858.16858.21858.22858.24858.29858.33858.37858.37858.39858.36858.44858.92858.93858.95851.85851.84$51.18851.88851.16851.18851.28851.24851.24851.29851.83851.93851.99852.81851.99852.88852.12852.14852.19852.22852.23852.28852.33852.15852.14852.15852.22852.23852.27852.25852.36852.39852.38$52.46852.51852.55$

IIIII AppendixB.4LEAKCHASEPSL1SPRING98SequenceStarted17:1$4/$5/98SequenceEnded22:584/85/9871 LEAKCHASEPERIODSampleTimeIn,numberModeAveragePressureVaporTemperaturePressureAirMass123456?891811121314151617188.888.338.671.88=1.331.672.8$2.332.673.8$3.333.674.884.334.675.885~33.5.6788'4288.62788.42788.23888.86387.89787.72987.5987.44987.38187.17587.85986.93186.81486.78286.59186.4986.36755.46355.43955.41855.39755.37?55.35755.33955.32155.38355.28755.2?i55.25555.2455.22655.21155.19855.18555.1728.29848.298.29888.29818.29818.2896$.28858.28838.28768.28688.28588.28578.28688.28618.2884'.29828.2917$.292267878167867767865667864$6?8611678577678575678528678498678486678458678486678366678346678272678227678173678159 IlI AppendixCLOCAL,LEAKAGERATETESTINGCONDUCTEDSINCELASTILRT IIIIIIII PENNAMECOMPONENTI.D.DATEASFOUNDASLEFT111122223334444777777a88888889999181818181818ll1111illlil111414MNSTM1AMNSTM1AMNSTM1AMNSTM1AMNSTM1BMNSTM1BMNSTMiBMNSTM1BFEEDWATERlAFEEDWATER1AFEEDWATER1AFEEDWATERlAFEEDWATER1BFEEDWATERiBFEEDWATER1BFEEDWATER1BPRIMARYMAKEUPPRIMARYMAKEUPPRIMARYMAKEUPPRIMARYMAKEUPPRIMARYMAKEUPPRIMARYMAKEUPSERVICEAIRSERVICEAIRSERVICEAIRSERVICEAIRSERVICEAIRSERVICE.AIRSERVICEAIRSERVICEAIRINSTRUMENTAIRINSTRUMENTAIRINSTRUMENTAIRINSTRUMENTAIRINSTRUMENTAIRINSTRUMENTAIRCNTNMNTPRGEXHCNTNMNTPRGEXHCNTNMNTPRGEXHCNTNMNTPRGEXHCNTNMNTPRGEXHCNTNMNTPRGEXHCNTNMNTPRGMUCNTNMNTPRGMUCNTNMNTPRGMUCNTNMNTPRGMUCNTNMNTPRGMUCNTNMNTPRGMUCNTNMNTPRGMUNITROGENNITROGEN12121221222112V15328MV15-1V15328V15328MV15-1MV15-1V18794,18796V18797V18798V18795V18794,1S796V}8797V18798V18795MV18-1,V18193V18195MV18-1,V18193MV18-1,V18193V18195V18195FCV25-4,5FCV25-4,5FCV25-4,5FCV25-4s5FCV25-4,5FCV25-4,5FCV25-2,3FCV25-2,3FCV25-2,3FCV25-2,3FCV25-2,3FCV25-2,3FVC25-2,3V6779V674187/2$/8887/28/88Sl/83/98Si/83/9887/28/8887/28/88Si/$3/98Si/83/9887/28laa87/28/88Si/83/98Si/83/9887/28/8887/2$/88mi/$3/9881/83/9$87/15/8887/ia/8888/iS/88Si/24/9881/24/9883/$7/98$8/2$/8888/28/8888/2$/8888/28/8881/25/9$81/25/9881/25/9881/25/9$88/16/88Sal16laa88/21/S883/21/9883/21/9883/24/98$8/89/8888/17/8882lia/9883/84/9884/84/9884/im/9888/82/88$8/12/8881/24/9882l19/9883/il/9884/84/9884/87/9887/19/8887/19/888.88.88.88.$8.$8.8$.$8.88.88.88.88.88.88.$8.8$.$7588.8168.88.838$.$$.88.8175.88.88'8.81288.$388.88.835.$5888.88.88.8548.$14688$.88.84488.88.8468.88.88.88.845$.8$.$988978.818888.88~88.88.88.88.88.8$.88.88.88.88.8$.$8.88.88.88.88.88.88.88.8$.$8.8168.81128.8388.88.8328.8175.$8.88.88.81288.8388.88.835.$8.88.81588.8548.88.83888.8$.$388.88.82888.82258.8228.88.824$.88.88.828888.8lamm.m288.88.88.8

NAMECOMPONENTI.D.DATEASFOUNDLEFT14141414NITROGENNITROGENNITROGENNITROGEN23CCWTORCP23CCWTORCP2323232323232323232323242424242424242424242424252526262626262628A28A28A28A28B28B28B28B28B28B28B29A29A29ACCWTORCPCCWTORCPCCWTORCPCCWTQRCPCCWTQRCPCCWTORCPCCWTQRCPCCWTORCPCCWTORCPCCWTQRCPCCWTORCPCCWFROMRCPCCWFROMRCPCCWFROMRCPCCWFROMRCPCCWFROMRCPCCWFROMRCPCCWFROMRCPCCWFROMRCPCCWFROMRCPCCWFROMRCPCCWFROMRCPCCWFROMRCPFUELXFRFUELXFRLETDOWNLETDOWNLETDOWNLETDOWNLETDOWNLETDOWNSITSAMPLESITSAMPLESITSAMPLESITSAMPLERCSHQTLEGRCSHQTLEGRCSHOTLEGRCSHOTLEGRCSHOTLEGRCSHOTLEGSAMRCSHQTLEGSAMPZRSRGSAMPLEPZRSRGSAMPLEPZRSRGSAMPLEV6348V6779V6741V6348HCV14-1,7V14368V14367HCV14-1,7V14368V14367HCV14-1,7HCV14-1,7V14367HCV14-1~7V14368V14367HCV14-1,7HCV14-2,6V14415V14417HCV14-2,6V14415V1441?HCV14-2,6HCV14-2,6HCV14-2,6V14415V14417HCV14-2,611V2515V2516V2516V2515V2516V2516FCV83-lEFCV83-1FFCV83-iFFCV83-iFV5288V5283U52$8V5283V5288VS288V5283V5281V5284V52$1?587/19/8881/38/9$81/38/9881/38/9887/1S/8887/15/88$7/.15/8888/18/8888/18/8888/18/8887/83/8987/12/8987/12/89$1/38/9881/38/9881I38/'9883/$7/9887/15/8887/15/8887/15/8888/18/8888/18/88$8/18/8887/13/8987/14/8981/38/98.81/38/9881/38/9883/87/98$7/2$/8882/82/9888/12/8888/12/8888/27/8882/26/9882/26/98$3/1$/9887/28/8887/28I8881/38/9881/38/9887/28/8887/28/88$8/12/8888/12/8812/88I8882/81/9882/81/9884/11/8884/11/8884/13/888.8188.88.88.898.88.8$.$8.88.88.88.88.88.8$.88.88.$8.88.88.81888.88.88.8$.$17.98.88.88.8148.88.8$.$8.88.817.98.88.817.98.$88.878.88.88.888.848.88.88.8185.8135.88.81285.88.88.88.8188.88.88.88.88.8$.$2588.88.88.88.88.88.88.88.88.858.88.88.88.88.8818.83$$.88.88.88.88.8148.88.8$.$8.88.88.838.88.88.845.$88.878.$8.88.88.88.81$$.855.81$5.8135.88.88.88.86S$.8 II NAMECOMPONENTI.D.DATEASFOUNDASLEFT29A29A29A29A29A29A29A29B29B29B29B29B2983}3}313141414141424242424243434343434344444444444446464646464747474748A48A48A48APZRSRGSAMPLEPZRSRGSAMPLEPZRSRGSAMPLEPZRSRGSAMPLEPZRSRGSAMPLEPZRSRGSAMPLEPZRSRGSAMPLEPZRSTMSAMPLEPZRSTMSAMPLEPZRSTMSAMPLEPZRSTMSAMPLEPZRSTMSAMPLEPZRSTMSAMPLECNTNMNTVNTHDRCNTNMNTVNTHDRCNTNMNTVNTHDRCNTNMNTVNTHDRSITTESTSITTESTSITTESTSITTESTRXCAVITYSUMPRXCAVITYSUMPRXCAVITYSUMPRXCAVITYSUMPRXCAVITYSUMPRXDRAINTNKRXDRAINTNKRXDRAINTNKRXDRAINTNKRXDRAINTNKRXDRAINTNKRCPBLEEDOFFRCPBLEEDOFFRCPBLEEDOFFRCPBLEEDOFFRCPBLEEDOFFRCPBLEEDOFFRFLCVTYPRFRTRFLCVTYPRFRTRFLCVTYPRFRTRFLNGCVTYPURFRFLNGCVTYPURFRFLCVTYPRFSPRFLCVTYPRFSPRFLNGCVTYPURFRFLNGCVTYPURFH2SMPTO'A'2SMPTO'A'2SMPTO'A'2SMPTO'A'5284V5281V5284V5281V5284V528}V5284V5285V5282V5285V52$2V5282V5285V6554V6555V6554V6555V87889,V3463V87818V$7889,V3463V878}8LCV87-A,}}BV$7}71LCV87-1}A,11BLCV87-1}A,}1BV87171V6381V6382V6381V6382V6381V63$2SE81-1V25$5SE81-1V2585SE81-1V2585V87}89,872V87}67V87}89>872V87189,2$6V87167V87}88,871V87169V$7}88,17$V87169FSE27-1FSE27-2FSE27-3FSE27-484/}3/8887/28/8887/28/8888/15/BB88/}5/8882/81/9882/8}l9887/23/8787/28/88.87/28/88$8/2$/8882/81/98$2/$1/9$87/28/BB$7/28/888}/38/9881/3$/9887/2}/8887/21/8882/82/9882/82/9888/15/BB88/15/8888/19/8882/88/9882/88/9888/}9/8888/}9/8882/81/9882/81/9882/82/9882/82/9887/2$/8887/28/8888/19/88$8/19/8882/82/9882/82l9888/}5/8888/}5/8888/2}/8882/27/98$2/27/98$8/}5/8888/}5/88$2/27/9$82/27/'98$7/19/8887/}9/88$7/}9/8887/19/888.88588.86788.88.88.88.88.88.88388.88.88.88.86$$.$8.8$.$8.88.88.88.88.88.8668$.8288.88.82288.8628.8588.8458.$658.8588.88.88.$8.88.8$.88.88.88.888.88.$8.88$$.$25.8$.$8.88.$258.8$.$8.818.88.88.88.88.8688.88.88'8.88.8$.$8.8$.$8.$688~88.88.88.88.88.$8.88.88.88.88.83288.82288.8628.8588.8458.88.88.8488.8358.88.88.88.88.88.88.88'8.8188.88$$.825.88.88.8$.$25$.88.$8.8}8.$8.8 IIIII PENNAMECOMPONENTI.D.DATEFOUNDLEFT48A48A48A48A48A48A48C48C48C48C48C51A51A51A51A51C51C51C51C51C51C51C51C52A52A52A52A52A52A52A52A52A52A52B52B52B52B52B52B52B52B52C52C52C52C52C52C52C52C52D52DH2SMPTO2SMPTO'A'2SMPTO'A'2SMPTO'A'2SMPTO'A'2SMPTO'A'H2SMPFROM'A'ZSMPFROM'A'2SMPFROM'A'2SMPFROM'A:,H2SMPFROM'A'2SMPFROM'B'2SMPFROM'B'2SMPFROM'B'2SMPFROM'B'2SMPTO'B'2SMPTO'B'2SMPTQ'B'2SMPTO2SMPTQ2SMPTO'B'H2SMPTO'B'2SMPTO'B'ADMONSUPRAD,MON'UPRADMQNSUPRADMONSUPRADMONSUPRADMONSUPRADMONSUPRADMONSUPRADMONSUPRADMONSUPIODINERADMONIODINERADMONIODINERADMQNIODINERADMQNIODINERADMONIODINERADMONIODINERADMQNIODINERADMONRADMONRETRADMONRETRADMONRETRADMONRETRADMONRET,,RADMONRETRADMONRETRADMONRETILRTCLRTILRTCLRTFSE27-8FSE27-1FSE27-2FSE27-3FSE27-4FSE27-8V27181FSE27-ilFSE27-11V27181FSE27-ilV27182FSE27-18V27182FSE27-18FSE27-5FSE27-6FSE27-7FSE27-9FSE27-5FSE27-6FSE27-7FSE27-9FCV26-1FCV26-2FCV26-1FCV26-1FCV26-2FCV26-1FCV26-1FCV26-2FCV26-1FCV26-2FCV26-3FCV26-4FCV26-3FCV26-3FCV26-4FCV26-3FCV26-4FCV26-3FCV26-5FCV26-6FCV26-6FCV26-5FCV26-6FCV26-5FCV26 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NAMECOMPONENTI.D.DATEASFOUNDASLEFT52D52D52D52D52D52E52E52E52E52E52E52E545454545456565B5B5B67676767676B6B6B6B6B6B6B6BAiAiA2A2A3A3A4A4A5A5A6A6ILRTCLRTILRTCLRTILRTCLRTILRTCLRTILRTCLRTILRTPRESSILRTPRESSILRTPRESSILRTPRESSILRTPRESSILRTPRESSILRTPRESSILRTPZRILRTPZRILRTPZRILRTPZRILRTPZRH2PURGEMAKEUPH2PURGEMAKEUPH2PURGEMAKEUPH2PURGEFILTERH2PURGEFILTERH2PURGEFILTERH2PRGFLTRBYPH2PRGFLTRBYPH2PRGFLTRBYPCNTNMNTVACRLFCNTNMNTVACRLFCNTNMNTVACRLFCNTNMNTVACRLFCNTNMNTVACRLFCNTNMNTVACRLFCNTNMNTVACRLFCNTNMNTVACRLFCNTNMNTVACRLFCNTNMNTVACRLFCNTNMNTVACRLFCNTNMNTVACRLFCNTNMNTVACRLFELECTPENELECTPENELECTPENELECTPENELECTPENELECTPENELECTPENELECTPENELECTPENELECTPENELECTPENELECTPENV88142V88148,143V88142V$8148,143V88142V88139,144V88139,144V88141V88139,144V88141V88139,144V88141V88181V88181V88181V881$1V88181V25-11,12V25-11,12V25-11,12V25-13,14V25-13>14V25-13,14V25-15,16V25-15,16V25-15s16V25-2$FCV25-7FCV25-7V25-28FCV25-7V25-21FCV25-BFCV25-21FCV25-21FCV25-BFCV25-21FCV25-21FCV25-BNANANANANANANANANANANANA87/iB/BB$1/31/9$81/31/9884/89/9884/89/9883/23/B787/1B/BB87/iB/BB81/31/9881/31/9884/$9/9884/89/9883/23/B787/12/BB8B/17/BB81/29/9884/89/9883/27/B787/22/BB81/24/9883/27/B787/22/BB$1/24/9$83/27/B787/21/BB81/24/9887/21/BB87/21/BB$2/23/9$82/26/98$3/12/9$87/21/BB87/21/BB8B/89/BB88/19/BB82/23/98$2/2B/9$83/12/9883/14/9887/21/BB82/87/9887/21/BB$2/87/9887/21/BB82/87/9887/21/BB82/87/9887/21/BB82/87/9887/21/BB82/87/988.8388.88.88.$8.88.88.88.88.8$.88.88.88.81858.$8.88.88'8.8B8.878.88.898.82$8.$8.8278.8388.8588.$688.84$$.8688.8$.$1B68$8.88.$8.88.8148.89788.$8'8.88.88.88'8.88.88.88.88'8.$8'8.88.88.88.'88.87B8.88.8258.88.88.88.88.81B.81B.81588.88.82588.$8.8968.878.8B8.878'125.898.8288.8268.8278.83$8.85$$.$6$8.8$.$688'5$.$8.8$.$7888.86B$$.$8.8$.$98.88.$8.$8.88.88.88.88.88.88.88.88.88.88.87B III PENNAMECOMPONENTI.D.DATEASFOUNDASLEFTA7A7ASASA9A9A18A18BiBiB3B3B4B5B5B6B6B7B7BSBSB9B9B4C1C1C2C2C3C3C4C4C5C5C6C6C7C7CSCSC9C18C18DiDiD2D2D3D3D4D4ELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTELECTPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENPENNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANRNANANANANANANANANANA87/21/SS82/87/9$87/21/SS82/87/9887/21/SS82/87/9887/21/SS82/$7/98$7/21/SS82/87/9887l21/SS82/87/98$2/87/9887/21/SS82/87/9887/21/SS82/87/9887/21/SS82/87/9887/21/SS82/$7/9$87/21/SS$2/87/9887/21/SS$7/21/SS82/87/9887/21/SS82/87/98$7/21/SS82/87/9887/21/SS$2/87/9$87/21/BS82/$7/9887/21/SS82/87/9887/21/SS82/87/98$7/21/SS82/87/9882l87/9887/21/SS82/87/9887/21/SS$2/87/9887/21/SS82/87/9$87/21/SS82/87/98,87/21/SS82/87/98$.88.88.88.$8.88.88.88.8$.$8.88.88.88.88.88.88.88.88.88.88.88.88.88.88.8$.$8.88.88.88.88.88.8$.$$.88.88.88.88.88.88.$8.88.88.88.88.88.8$.8$.$8.88.88.88.88'8.88.88'8.88.8$.$8.88.88.88.88'8.88.88.88.88.88.88.88.88.88.88.$8.88.88.88.88.88.8$.$8.88.88.88.88.88.$8.$8.88.88.88'8.88.88.$8.88.88.88.88.8 I PENNAMECOMPONENTI.D.DATEASFOUNDASLEFTD6D6D7D7DBDBD9D9D18D18EiEiE3E3E4E4E4E4E4E5E5E7E7E9E9EMEXEMEXEMEXEMEXEMEXEMEXEMEXEMEXFXFRFXFRFXFRFXFRMHGMHGMHGMHGMHGMHGMHGMHGPRSNPRSNELECTPENELECTPENELECTPENELECTPENELECTPENELECTPENELECTPENELECTPENELECTPENELECTPENELECTPENELECTPENELECTPENELECTPENELECTPENELECTPENELECTPENELECTPENELECTPENELECTPENELECTPENELECTPENELECTPENELECTPENELECTPENEMRGEXPHATCHEMRGEXPHATCHEMRGEXPHATCHEMRGEXPHATCHEMRGEXPHATCHEMRGEXPHATCHEMRGEXPHATCHEMRGEXPHATCHFUELXFRFLNGFUELXFRFLNGFUELXFRFLNGFUELXFRFLNGMAINTHATCHMAINTHATCHMAINTHATCHMAINTHATCHMAINTHATCHMAINTHATCHMAINTHATCHMAINTHATCHPERSONNELHATCHPERSONNELHATCHNANANANANANANANANANANANANANA0RING0RING0RING0RING0RINGNANANANANANASTRONGBACKSTRONGBACKSTRONGBACKSTRONGBACKSTRONGBACKSTRONGBACKSTRONGBACKSTRONGBACK0RING0RING0RING0RINGGASKETGASKETGASKETGASKETGASKETGASKETGASKETGASKETSTRONGBACKSTRONGBACK87/21/8882/87/9887/21/8882/87/9$87/21/8882/87/9887/21/8882/87/9887l21/8882/87/9887/21/8882/87/98$7/21/8882/$7/98$7/12/8888/16/8881/24/9$82/87/9884/82/9887/21/SB82/87/9887/21/8882/87/9$87/21/8882/87/9888/13/8782/11/8888/18/8882/81/8982/81/8987/25/8983/86/9884/18/9887/12/8888/17/8881/28/9883/25/9818/89/8718/14/8787l12/8888/22/8886/29/8987/13/8981l23/9884/18/9888/13/8782/ii/888.88.88.88.$8.88.88.88.88.$8.88.88.88.$8.88.$8.88.$8.88.88.88.88.$8.88'8.8$.$8.82238.$218888.$8.84842.$7438.88.88.88.$8.88.88.88.88.88.$8.88.88.$8.$282$.$5848.$8.$8.88.$8.88.88.88.$8.8$.$8.8$.88.8$.$8.8$.$8.88.88.88.88.$8.88.8$.88.88'8.88.82238.88.81238.84842.87438.88.88.88.88.88.8$.88.88.88.88.88.88.88.82828.$5848.8 III PENNAMECOMPONENTI.D.DATEASFOUNDASLEFTPRSNPERSONNELHATCHSTRONGBACKPRSNPERSONNELHATCHSTRONGBACKPRSNPERSONNELHATCHSTRONGBACKPRSNPERSONNELHATCHSTRONGBACKPRSNPERSONNEIHATCHSTRONGBACK88/18/88$1/31/8987/26/8983/28/9883/29/983888.84538.86517.828888.88.8388$.84538.86517.$$.83888.$BYPASSAsummaryfortheTypeBandCLocalLeakageRateTestssincethelastILRTareasfollows(allvaluesinsccm).YEARTYPEBTYPECTOTAL198719881989199811585153281171$1131341.668381856811238463887668766243814689381163183624981Note:PertheplantTechnicalSpecificationsthelimitfortotalBypassleakageislessthan.27La(245,888sccm)andthelimitfortotalTypeBandCleakageislessthan.6La(544,$$8sccm).LOCALLEAKAGERATEPROBLEMSSINCELASTILRTOnFebruary18,1988ContainmentRadiationMonitorisolationvalveFCV-26-1wasfoundtohavealeakagerateofapproximately188scfm.Thisvaluewasinexcessoftheplant'TechnicalSpecificationlimitof8.27La(245,153sccm).ThiswasreportedonLicenseeEventReport¹335-88-$82.Thevalvewasrepairedandtheas-leftleakagewas458sccm.Theoutsidevalveonthispenetrationwas1188sccm,thustheas-foundaswellastheminimumpathwayleakageforthispenetrationwas1188sccm.81 IIIIIIII }}