ML18038A087

Forwards Revised Response to Certain FSAR Questions Resulting from 850913 Meeting Re Startup & Test Program,Fsar Chapter 14.Info Will Be Provided in FSAR Amend 22

ML18038A087
Person / Time
Site:	Nine Mile Point
Issue date:	11/08/1985
From:	MANGAN C V NIAGARA MOHAWK POWER CORP.
To:	BUTLER W Office of Nuclear Reactor Regulation
References
(NMP2L-0528), (NMP2L-528), NUDOCS 8511140170
Download: ML18038A087 (34)

Text

)REGULATORY I~RMATIQNDISTRIBUTION SYST(RIDS)ACCESSION NHR:8511140170 DOC.DATE:85/11/08NOTARIZED:

NODOCKET0FAGIL:50-410NineMilePointNuclearStationiUnit2iNiagaraMoha05000410AUTH.NAMEAUTHORAFFILIATION MANGANiC.V.,NiagaraMohawkPowerCorp.RECIP.NAMERECIPIENTAFFILIATIONBUTLER>W.Licensing Branch2

SUBJECT:

ForwardsrevisedresponsetocertainFSARquestions resulting from850913meetingrestartup0testprogramsFSARChapter14.InfowillbeprovidedinFSARAmend22.DISTRIBUTION CODE:B001DCQPIESRECEIVED:

LTRENCLSIZE:TITLE:Licensing Submittal:

PSAR/FSAR Amdts5RelatedCorrespondence NOTES:RECIPIENT IDCODE/NAME NRR/DL/ADL NRRLH2LAINTERNAL:

ACRS41ELD/HDS3IE/DEPER/EPB 36NRRROE'.LNRR/DE/CEB 11NRR/DE/EGB 13NRR/DE/MEH 18NRR/DE/SAH 24NRR/DHFS/HFEB40 NRR/DPiFS/PSRB NRR/DSI/AEB 26NRR/DSI/CPB 10NRR/DSI/ICSB 16NRR/DSI/PSH 19NRR/DSI/RSH 23RGN1EXTERNAL:

24XDMH/DSS(AMDTS)NRCPDR02PNLGRUEL'COPIESLTTRENCL101066101111112211111111111111113311111111RECIPIENTIDCODE/NAME NRRLH2HCHAUGHEYsM01*DM/LFMBIEFILEIE/DGAVT/GAH21 NRR/DE/AEAB NRR/DE/EHEB NRR/DE/GB 28NRR/DE/MTEB 17NRR/DE/SGEH 25NRR/DMFS/LGH 32NRR/DL/SSPB NRR/DSI/ASH NRR/DSI/CSB 09NRR/DSI/METH 12NRR/DSI/RAB 22GFI04RM/DIHHNL(*MDTS ONLY)LPDR03NSIC05COPIESLTTRENCL1011101111101'122111111101111111110111111TOTALNUMBEROFCOPIESREQUIRED:

LTTR52ENCL44

>>if>>FPIg)FII",{W,'$)'(,')'i~i',t>>>>>>I(>>'>>I)1.1{>>>>,{(F'IIF)I'IiiiFFP"',"IliP>>>>III>>'>>llI OVMIIASAIRA

~UMOHANKNIAGARAMOHAWKPOWERCORPORATION/300 ERIEBOULEVARD WEST,SYRACUSE, N.Y.13202/TELEPHONE (315)474-1511November8,1985(NMP2L0528)Dr.WalterButler,ChiefLicensing BranchNo.2U.S.NuclearRegulatory Commission Washington, DC20555

DearDr.Sutler:

Re:NineMilePointUnit2.DocketNo:50-410.Attachedarerevisedresponses whichresultedfromaSeptember 13,1985meetingbetweentheNuclearRegulatory Commission staffandNiagaraMohawkpersonnel.

Theserevisedresponses tocertainFSARquestions areprovidedinadditiontothematerialsubmitted inourletterdatedOctober30,1985whichconcernstheStartupETestProgram,FSARChapter14,forNineMilePointUnit2.Thisinformation willbeprovidedinthenextFinalSafetyAnalysisReportamendment 22.Verytrulyyours,C.V.MangaSeniorVicePresident CVM/rlaAttachment 1062Gxc:R.A.Gramm,NRCResidentInspector ProjectFile(2)85iii4o~70 qOOOOao5<aO8>DRA>o+pDRA 4tl~~~tltl4t~~

NineMilePointUnit2FSARQUESTIONF640.08(14.2.7)Tomeettheregulatory positionstatedinRegulatory Guide1.108(Periodic TestingofDieselGenerator UnitsUsedasOnsiteElectricPowerSystemsatNuclearPlants):Deleteyourcurrentexception toRegulatory Guide1.108inFSARSubsection 14.2.7andcommittoconducting alldieselgenerator preoperational testswiththedieselgenerators installed in-plant, orprovideexpandedtechnical justification toprovideassurance thatvendortestingwillaccomplish thesametest,objectives asin-situtesting.2.Deleteyourcurrentexception toRegulatory Guide1.108(position c.2.a(3))

inFSARSection1.8andcommittotestingthedieselgenerator fortwohoursataloadequivalent tothe2hourrating,notthe2000-hour ratingaslistedinFSARSection1.8.3.ModifyPreoperational TestAbstractNumber14.2-47(DieselGenerator Mechanical System)toincludetestingtoensurethesatisfactory operability ofallcheckvalvesintheflowpathofcoolingwaterforthedieselgenerators fromtheintaketothedischarge (seeISEBulletinNo.83-03:CheckValveFailuresinRawWaterCoolingSystemsofDieselGenerators).

ModifyPreoperational TestAbstractNumber14.2-97(Emergency A-CDistribution LoadCarryingCapability System)and/orNumber14.2-98(LossofPower/ECCS Functional Test)todemonstrate properdieselgenerator operation duringloadshedding, including atestofthelossofthelargestsingleloadandcompletelossofload,andverifythatthevoltagerequirements aremetandthattheoverspeed limitsarenot,exceeded.

Yourtestingshould,inaddition, provideassurance thatanytimedelaysinthedieselgenerator's restartcircuitry willnotcausethesupplyofcompressed airusedtoinitially rotatetheenginetobeconsumedinthepresenceofasafetyinjection signal(seeI&EIn-formation NoticeNumber83-17,March31,1983).Amendment 5QE(RF640.08-1 October1983 I

Nine>lePointUnit2FSARRESPONSE1.NNP2complieswiththeintentofthisRegulatory Guide.SeerevisedSection14.2.7andTables14.2-125, 126,and129.2.SeeSection1.8.3.Verification ofcheckvalvessupplying coolingwatertothedieselgenerators willaccomplished inthePreservice andInservice Inspection Programs.

4a.Seerevisedtestabstract14.2-129.

4b.ThedesignoftheNMP2DieselGenerator startlogicprecludes thecompleteconsumption ofthestartingaironaninitialfailuretostartasdescribed inthesubjectI8EInformation Notice.(SRF640.08-2

.0fj17IIt1

~~eNineMilePointUnit'FSARQUESTIONF640.11(14.2.12)Inaccordance withtheregulatory positions C.2andC.3ofRegulatory Guide1.41(Preoperatio>>al TestingofRedundant On-SiteElectricPowerSystemstoVerifyProperLoadGroupAssignments),

ModifyPreoperational TestAbstractNumber14.2-16(125VD-CDistribution) toincorporate testingtoverifythatattheminimumandmaximumdesignbat-teryvoltages, requiredClass1Eloadscanbestartedandoperated.

Thebatterychargersshouldnotbeinuseuntilafterthe1Eloadshavestarted(IEEE308-1978).

Formoreinformation onproblemswithmaximumbatteryvoltageconditions, seeIEcEInformation Notice'83-08,March9,1983.2.ModifyPreoperational TestAbstractNumber14.2-18(llS-kVSwitchyard andStationElectricFeedSystem)and/orNumber14.2-19(NormalA-CDis-tribution HighVoltageSystem)todemonstrate theproperoperation oftransformer coolingunderratedloadordescribehowdatafromtestirgunderavailable loadwillbeextrapolated toverifycoolingcapability underdesignloading.3.Modifypreoperational testabstracts involving sourcesofpowertovitala-cbusestoensurethatfull-load testing,orextrapolation tofull-load testingconditions, isaccomplished.

Modifyanypreoperational testabstractassociated withd-c.andon-sitea-cbusestoensurethatduringsuchtestingthed-c,on-site'a-c,andrelatedloadsnotundertestwillbemonitored

.toverifyabsenceofvoltageatthesebusesandloads.5.Modifyanypreoperational testabstractassociated withd-candon-sitea-cbuseswheretestingonUnit-2maybedependent onUnit-1components toen-surethat'ndependence ismaintained andverifiedduringtesting.RESPONSESeerevisedPreopTestAbstract, Table14.2-101.

QSRF640.ll-l h%1 NieMilePointUnit2FSAR2.Propercoolingofthetransformers isverifiedintheLOOP/ECCS test(Table14.2-129).

Additional checksaremadeduringtheStart-upTestPhase,suchasthe100'Awarrantyrun.However,wedonotintendtoperformthesetestsatthefullratedloadofthetransformers (exceptforthemaintransformer),

becauseitwouldbeimpractical forthefollowing reasons:A.)Itwouldrequiretheinstallation (andremoval,ifnotpermanent) ofbusesandcircuitbreakerscapableofhandlingtheaddedlo'ads.B.)Itwouldrequireacquisition ofhighvoltageloadswhichcoulddissipate thisenergy.Thepresentplanistousethemaximumavailable loadsintheplantandverifythatthe,transformer temperatures arewithinspecifications.

3.Allin-plantpowergenerating equipment whichsupplypowertovitalacbuseswillbefullloadtested.Seerevisedtestabstracts 14.2-95,123,125,and126.4.Seerevisedtestabstract14.2-129.

5.Thereisnodependence betweenUnit1andUnit2dcoronsiteacbusses.Therefore, notestingisnecessary.

QE(RF640.11"2

NineNilePointUnit2FSARQUESTIONF640.13(14.2.12)

Forcompliance withRegulatory Guide1.68,AppendixA.l.h,provideorreference preoperational testabstractdescrip-tionsinFSARSubsection 14.2.1?tk>ate>>surethattheemergency ventilation systemsarecapableofmaintaining allEngineered SafetyFeatures(ESF)equipment withintheirdesigntemperature rangewiththeequipment operating inamannerthatwillproducetkiemaximumheatloadinthecompartment.

Ifitisnotpractical toproducemaximumheatloadsinacompartment, describethemethodsthatwillbeusedtodevelopacceptance criteriatk>atverifydesignheatremovalcapability ofemerge>>cy ve>>tilatio>>

systems.(Notethatitisnotapparentthatpost-accident designheatloadswillbeproducedinESFequipment roomsduringthescheduled testphase;therefore,

."'implyassuringthatareatemperatures remainwithindesignlimitsduringthisperiodwillnotdemonstrate thedesignkieatremovalcapability ofthesesystems.Itwillbenecessary toincludemeasurement ofairandcoolingwatertemperatures andflows,andtheex-trapolations usedtoverifythat.theve>>tilation systemscanremovethepostulated post-accident k>eatloads.)RESPONSEVerification ofemergency heatremovalratescannotbeperformed duringthePreoperational TestPhaseduetothelackofheatproducing sources.Measurements oftheapplicable parameters (temperatures andflows)willbeperformed duringtheStartupTestPhaseduringthevarioustestsinwhicTisufficient heatisbeingproducedintheESFequipment areas.Thesevalueswillbereviewedandevaluated byNMPCEngineering toinsuretheheatremovalratesareadequateandcorrespond tothedesigncalculations Q&RF640.13-1 0fI(/C" NineMilePointUnit2FSARQUESTIONF640.19(14.2.12)

Forcompliance withRegulatory Guide1.68,AppendixA.l.l,expandPreoperational TestAbstractNumber14.2-81(LiquidRadwasteHandlingSystem)andNumber14.2-104(SolidRad-wasteHandlingSystem)toensurethat,anyradiation detec-torsandmonitorswhicharepartofthosesystemsaretestedwithspikedsamplesoftypicalmedia,orwithsources.RESPONSEAllradiation detection andmonitoring devicesfortheLiquidandSolidRadwasteSystemsareincludedintheDigitalRadiation Monitoring equipment (Table14.2-105).Calibration ofthesedevicesisperformed using"spiked"samplesand/orsourcesasaprerequisite tothepreoperational test.Theoperation ofapercentage ofthesedevicesisreverified duringthepreoperational test.Theoperational interfaces oftheremaining devicesarealsoverifiedinthepreoperational testusingsimulated ortestsignals.Q&RF640.19-1

NineMilePointUnit2FSARQUESTIONF640.22(14.2.12)

Theacceptance criterialistedinPreoprationalTestAb-stract,Number14.2-90(Shutdown fromOutsidetheControlRoom)statesthatthesystemwillmeetitsdesignfunctions asdescribed inFSARSubsection 7.4.FSARSubsection 7.4.2.4.4 statesthatregulatory guidesthatap-plytotheremote,shutdownsystemarespecified inTable7.1-3.ModifyTable7.1-3toincludeRegulatory Guide1.68.2(InitialStartupTestProgramtoDemonstrate RemoteShutdownCapability forWater-Cooled NuclearPowerPlants).RESPONSESeerevisedTable7.1-3(Incorrect tableisreferenced; shouldbe14.2-104not14.2-90).QGRF640.22-1 lI NineMilePointUnit2FSARQUESTIONF640.34(14.2.12)

Ourreviewofyourtestprogramdescription disclosed thattheoperability ofseveralofthesystemsandcomponents listedinRegulatory Guide1.68{Revision 2)AppendixAmaynotbeadequately demonstrated byyourinitialtestprogram.ExpandFSARSubsection 14.2.12toaddressthefollowing itemsorexplainwhysuchpreoperational orstartuptestingisnotapplicable toyourfacility:

NOTE:Inclusion ofatestdescription inFSARChapter14doesnotnecessarily implythatthetestbecomessubjecttoFSARChapter17QualityAssurance Programcontrols.

Certaintests,performed priortofuelloadingtoverifysystemoperability, maybereferredtoas"acceptance tests"todistinguish themfrompreoperational tests>>subjecttoFSARChapter17testcontrol.AccetanceandPreperational TestsREG.1.68AendixAFSARSectionl.b(1)1.d(3)1.d(4)l.e(3)l.e(6)l.h1.h(8)l.h(10)l.i{10)1j(7)l.j(12)1.j(13)5.2.25.2.25.4.510.4.45.4.46.3.2.2.5 9.2.56.2.1.1.2 7.6.1.37.2.1.2RodBlockMonitorsReliefValvesSafetyValvesMainSteamIsolation ValvesTurbineBypassValvesMainSteamLineFlowRestrictors ECCSDischarge LineFillSystemUltimateHeat,SinkContainment andSuppression PoolVacuum-breaker TestsECCSIeakDetection SystemFailedFuelDetection SystemSourceRangeMonitorsAmendment 5QE<RF640.34-1October1983 1plt~~4k,0PI NineMilePointUnit2FSAR1.3(21)7.7.1.1.2 ReactorModeSwitchandAssociated Functions 1i(23)1.1(5)1.1(7)6.2.5.2.5 11.5.2.1.4 11.5.2.1.3 HydrogenandOxygenAnalyzerSystemCondenser OffgasIsolation LiquidRadwasteEffluentIsolation 1.n(3)1.m(3)1.m(4)1.m(5)1.0(1)9.4.10.29.1.49.1.4.29.1.4.29.1.4.2.2Ventilation ChilledWaterSystemOperability andleaktestsofsectionalizing devicesanddrainsandleaktestsofgasketsorbellowsintherefueling canalandfuelstoragepoolDynamic(100/)andstatic(125/)loadtestsofcranes,hoists,andassociated fuelstorageandhandlingsystemsFuelTransferDevicesPolarcranedynamic(100/)andstatic(125/)loadingtestsStartupTests2.12.c2.d5.g5.kPartially LoadedCoreShutdownMarginCalculation FinalTestReactorProtection SystemFinalReactorLeakrateTestsRodBlockMonitorHighPressureCoolantSprayTests5.s9.2.6HotwellLevelControlSystem,ReactorCoolantMakeupandLetdownSystemsAmendment 5Q6(RF640.34-2 October1983 I,Aff1 NineMilePointU>>it2FSAR5.wContai>>ment Penetration Coolers.Provideatestdescription or,onthosepe>>etrations wherecool~a.".

arenotused,includeatest<lescription foracon-tainme>>tpenetration concretetemperature surveytoassurethatlie>>etrations willnotsubjectconcretetotemperatures over'20U~F.5.i.i15.3Demo>>strate thatthedynamicrespo>>seoftheplantisinaccords>>ce withdesignforlimiti>>gclosureofreactorcoola>>tsystemflowcontrolvalves.Themethodforinitiati>>g co>>trolvalveclosuresho>>ld-resultinthefaste.tcre.lible coastdown inflow.5-ggRESPONSE15.8ATWSTestThetestprogramtestingabstracts arebeingmodifiedinresponsetoQuestion640.10.Test.".weal.lbedescribed todistinguish whicharesubjecttoChapter17testcontrol.Thefollowing responseoutlineshowabstracts complywithRegulatory Guide1.68;AppendixA:Regulatory GuideSectionl.b(l)Therodblockmonitorsubsystem istestedintherodblockmonitoring preoperational test(FSARTable14.2-118).

l.d(3)Thereliefvalvesandsafetyvalvesaretestedasfollows:l.dt4)Safety/relief modehasbeenfactorytestedoffsite.SeeSection5.2.2.10.

Operational verification foropen/closure willbeverifiedfortheSRVsinthereliefmodeduringtheAutomatic Depressurization preoperational test(FSARTable14.2-52).

QEcRF640.34-3

't'0 NineMilePointUnit2FSARSourcerangemonitorsaretestedaspartoftheneutronmonitoring preoperational testing(FSARTable14.2-117).

Reactormodeswitchandassociated functions aretestedaspartofthereactorprotection

.systempreoperational testing(FSARTable14.2-123).

Thehydrogenandoxygenanalyzersystemistestedaspartofthecontainment monitoring systempreoperational testing(FSARTable14.2-108).

Condenser off-gasisolation andlogicassociated withthisfeatureistestedaspartoftheradiation monitoring (table14.2-106) andOff-Gas(Table14.2-60)systemspreoperational tests.LiquidRadwasteeffluentisolation

-instrumentation andlogicassociated withthisfeatureistestedaspartoftheradiation monitoring systems.(Table14.2-105)Ventilation chilledwatersystemswillbetestedduringtheHVACpreoperational tests.Leaktestsofsectionalizing devicesanddrains,gasketorbellowsleaktestsintherefueling canalwillbetestedpriortotheFuelPoolCoolingSystemPreoperational Test.(Table15.2-56).

Dynamicandstaticloadtestingofcranes,hoists,andassociated fuelstorageandhandlingsystemsexceptthepolarcranewillbeperformed inthefuelhandlingandvesselservicing equipment systempreoperational testing(FSARTable14.2-57).

Appropriate testsforfueltransferdeviceswillbeperformed inthefuelhandlingandvesselservicing equipment systempreoperational testing(FSARTable14.2-57).

Polarcraneandhoistdynamicandstaticloadtestsareperformed asaprerequisite tothepolarcranepreoperational test(Table14.2-110).

Q&RF640.34-5

~4 NineMilePoint;Unit2FSAR2.aAshutdownmargincalculation willbeperformed aspartofthestartuptestprogramforapartially loadedcore(FSARTable14.2-203).

2ocFinaltestofreactorprotection systemisnotplannedas.systemdesignfeaturesareverifiedduringthereactorprotection systempreoperational testingandcoldfunctional testing(FSARTable14.2-123).

2.dFinalreactorleakratetestsduringpressurizations

,oftheRPVleakrateswithinthecontainment aremonitored tobewithintechnical specification limits.5.g5.kRodblockmonitortestingisperformed duringtherodblockmonitoring preoperational testing(FSARTable14.2-118).

Highpressurecoolantspraytestsarenotscheduled tobeperformed duringstartuptesting.HPCSto.RPVinjection testswillbeconducted duringthepreoperational testingprogram(FSAF.Table14.2-51).

5.sStartuptestabstracts forthefeedwater systemwillbemodifiedtoverifyperformance ofthecontrolsystemattestconditions 2,3,4,5,and6.Thehotwelllevelcontrolsystemperformance istestedduringthepreoperational testingprogram(FSARTables14.2-28and14.2-222).

5.wAsampleofcontainment penetration concretetemperatures willbeverifiedbysurveytoassurethatthepenetrations willnotbesubjecttotemperatures over200F.Thesamplewillbechosenfromtheworst-case

.temperature conditions toconservatively boundallinstalled containment.

penetrations.

5.i.iStartuptestingoftherecirculation systemwilldemonstrate responseoftheplantinaccordance withdesignlimitsspecified byGeneralElectric(FSARTables14.2-123, 14.2-234, 14.2-235, 14.2-236,and14.2-237).

50gogTheoperability ofequipment providedforATNSistestedduringpreoperational testingofsystemswithinwhchtheequipment isprovided(FSARTAbles14.2-47,14.2-48,14.2-54,14.2-123, and14.2-128).

QBRF640.34-6 0~~~~EI.~>a,$

NineMilePointUnit2FSARATTACHMENT 640.34-1(Cont)QUESTION2TheNormalSwitchgear BuildingVentilation Systemtest(FSARTable14'-70)shouldprovideacceptance criteriarelatingtotheventilation chilledwatersystem(1.n.3).RESPONSEAbstract14.2-70hasbeendeleted.Thissystemisnotconsidered torequiredapreoperational testasdefinedbyReg.Guide1.68anditstestingistherefore notdescribed intheFSAR.QUESTION3TheFuelHandling6ReactorServiceEquipment Systemtest(FSARTable14.2-57)andtheReactorBuilding-polarcrane(FSARTable14.2-110) tospecifythatdynamicandstaticloadtestsareaccomplished at125%and100%ofratedload,respectively (1.m.4,1.0.1).RESPONSESeerevisedpreoperational testabstracts 14.2-57and14.2-110.

3of3 4b~1WEIPui'e'I NineMilePointUnit2FSARQUESTIONF640.35(14.2.5)Tohelpfacilitate approvaloffuturechangestotheNineMilePointUnit2InitialTestProgram:1.Forportionsofanypreoperational tests(including reviewandapprovaloftestresults)whichareintendedtobeconducted afterfuelloading:a)listeachtest,b)statewhatportionsofeachtestwillbedelayedun-tilafterfuel.loading,c)providetechnical justification fordelayingtheseportions, andd)statewheneachtestwillbecompleted.

2.Listandprovidetechnical justification foranytestsorportionsoftestsdescribed inFSARChapter14whichyoubelieveshouldbeexemptedfromthelicensecon-ditionrequiring priorNRCnotification ofmajortestchangestotestsintendedtoverifytheproperdesign,construction, orperformance ofsystems,structures, orcomponents important tosafety(fulfillGeneralDesignCriteria(GDC)functions and/oraresubjectto10CFR50,AppendixBQualityAssurance requirements).

RESPONSE1.Thesetests,justification fortheirdelayandthetimeanticipated fortheirperformance willbeprovidedby'firstquarter1986.2.Themethodsforobtaining changestoapprovedpreoperational andstartuptestprocedures isdescribed inFSARSection14.2.4.4.Norequirement existsforpriorNRCnotifications forchangestopreoperational testprocedures.

QE(RF640.35-1

~.~~1 NineMilePointUnit2RQUESTIONF480.25(6.2.3)Thestandbygastreatment (SGTS)isanESFsystemwhoseeffectiveness mustbeperiodically verifiedasrequiredbyAppendixJto10CFR50.Insodoingtheleakagelimitofthesecondary containment ismeasuredandwillbefoundacceptable ifitagreeswiththelimituseintheanalysisofthesecondary containment depressurization time.Thesetestsshouldbeconducted ateachrefueling orat,intervals notexceeding 18months.Thetestlimitshouldbeconsistent withthe.limitusedfordirectleakageintheanalysisoftheradiological consequences by-theAccidentEvaluation Branch(AEB).Indicatetheproposedtestthatwillbeperformed ontheSGTSincluding thescheduled frequency ofthem,adescription ofthetestitself,secondary containment drawdowntime,themethodusedtomeasureitandthemeansbywhichtheeffectofopendoorsorhatchesisincludedinthetestprogram.StatethedesignleakagerateandtheSGTSfancapacity.

RESPONSEAsecondary containment leakratetestdescription hasbeenprovidedinatestabstract, Table14.2-132.Thetestwillbeconducted atintervals asdescribed inthetechnical specifications.

Duringthetest,doorsandhatcheswillbecontrolled inaclosedpositionformeasurement ofsecondary containment integrity.

TheSGTSfancapacityis4,000CFM,aslistedinTable6.5-1.Thedesignleakagerateis3,160CFM,whichisbasedononereactorbuildingnetvolumeairchangeper24hr.QEcRF480.25-1

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