ML17262B109

Draft Rochester Gas & Electric Corp Ginna Station Emergency Preparedness Exercise Manual 1992 Plume Exposure Emergency Preparedness Exercise.

ML17262B109
Person / Time
Site:	Ginna
Issue date:	10/08/1992
From:	BACKUS W H, POLFLEIT P S ROCHESTER GAS & ELECTRIC CORP.
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ML17262B108	List: ML17262B106 ML17262B109 ML17309A504 ML17309A505
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NUDOCS 9212220177
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THEROCHESTERGASANDELECTRICCORPORATIONGZNNASTATIONEMERGENCYPREPAREDNESSEXERCISEMANUAL1992PLUMEEXPOSUREEMERGENCYPREPAREDNESSEXERCISEOctober8,1992PrearedBy:PeteS.PolfleitWeyH.BackusReviewedBy:RichardJ.WattsApprovedBy:RarJ.Beldue(EmergencyPlnningMilestoneCommittee)COIROLLRDCOPYKO~9212220177920722PDRADOCK05000244FPDRI-1 SCOPE~()ggpgyyypg J

1~0SCOPEANDONSITEOBJECTIVESPLUMEEXPOSUREPATHWAY'~1~8aoeThe1992EmergencyPreparednessPlumeExposurePathwayExercisewillsimulateaccidenteventsculminatinginaradiologicalaccidentresultingintheactivationofonsiteandoffsitefacilities.TheExercisewillinvolveeventsthattesttheeffectivenessoftheGinnaStationEmergencyPreparednessProgramandtheintegratedcapabilitiesofcertainelementsoftheStateofNewYork,WayneCountyandMonroeCountyemergencyorganizations.TheExercisewillincludethepartialmobilizationofstateandlocalresourcestoadequatelyverifytheircapabilitytorespondtoanaccidentattheGinnaNuclearPowerPlant.1~2OnsiteOb'ectivesforthe1992GinnaEvaluatedPlumeExosurePathwaExercise1~2~11~2~21~2~31'+41~2~51~2~61~2~7ThemajorobjectiveoftheExerciseistodemonstratetheresponsecapabilitiesoftheRochesterGasandElectricCorporationEmergencyOrganization.Withinthisoverallobjective,numerousindividualobjectivesarespecifiedasfollows:Demonstratetheabilitytomobilize,staffandactivateEmergencyResponseFacilitiespromptly.Demonstratetheabilitytofullystafffacilitiesandtomaintainstaffingonanaround-the-clockbasisgf-$throughtheuseofreliefshiftrosters(limitedshiftchangesmayoccurtoallowforoperationalrestrictions).Demonstratetheabilitytomakedecisionsandtocoordinateemergencyactivities.Demonstratetheadequacyoffacilitiesanddisplaysandtheutilizationofprocedurestosupportemergencyoperations.Demonstratetheabilitytocommunicatewithallappropriatelocations,organizations,andfieldpersonnel.DemonstratetheabilitytomobilizeanddeployRadiationSurveyTeams.Demonstratetheappropriateequipmentandproceduresforthedeterminationofambientradiationlevels.

1~2~81~2~91~2~101~2~11Demonstratetheproperuseofappropriateequipmentandproceduresformeasurementofairborneradioiodineconcentrationsaslowas1.0E-7uCi/ccinthepresenceofnoblegases.Demonstratetheabilitytoprojectdosagetothepublicviaplumeexposure,basedonPlantandfielddata,andtodetermineappropriateprotectivemeasures,basedonplantconditions,ProtectiveActionGuidelines,availableshelter,evacuationtimeestimates,expectedreleaseduration,andotherappropriatefactors.Demonstratetheabilitytonotifyoffsiteofficialsandagencieswithin15minutesofdeclarationofanemergency.DemonstratetheabilitytoperiodicallyupdateoffsiteofficialsandagenciesofthestatusoftheemergencybasedondataavailableatGinnaStation.1~2~121+21312~141~2~151~216Demonstratetheabilitytonotifyemergencysupportpoolsasappropriate(i.e.,INPO,ANI,etc.).Demonstratetheabilitytonotifyonsitepersonnelusingplantalarmsandpublicaddresssystems.Demonstratetheorganization'sabilitytoassessplantparametersandsymptomsindicativeofdegradingplantconditions,andrelatesuchsymptomstoprescribedEmergencyActionLevels.Demonstratetheorganization'sabilitytoproperlyclassifyemergencyconditions.Demonstratetheorganizationalabilityandresourcesnecessarytomanageanaccountabilityofpersonnelwithintherestrictedarea.1~2~171~2181~219Demonstratetheorganizationalabilityandresourcesnecessarytocontrolaccesstothesite.Demonstratetheabilitytocontinuouslymonitorandcontrolemergencyworkers'xposure.DemonstratetheadequacyoffacilitiesanddisplaystosupporttheJointEmergencyNewsCenteroperations./

1~2~201~2.211~2~22Demonstratetheabilitytobriefthemediainaclear,accurate,andtimelymanner.Demonstratetheabilitytoprovideadvancedcoordinationofinformationreleasedtothepublic.Demonstratetheabilitytoestablishandoperaterumorcontrolinacoordinatedfashion.131~2~241~2~25Demonstratetheadequacyofin-plantpost-accidentsamplingtechniquesandanalysis.Demonstratetheabilitytodeveloppreliminaryshort-termandlong-termactionstosupportplantrecovery.Demonstratetheproperuseofback-upcommunicationsintheeventofselectedcommunicationsequipmentmalfunction.1~2~26Demonstratetheabilitytomobilizeprincipalportionsofthelicenseeemergencyorganizationonanoff-hours,unannouncedbasis.TobeerformedasamusterindrilldurinNovember199217Demonstratetheabilitytoconductapost-exercisecritiquewhichadequatelycharacterizeslicenseeperformancebaseduponcontrollerandobserverassessments.13SummarofPropseudActivitiesTable1.1providesalistofproposedRGEEactivities.

TABLE1~11992GINNASTATIONEMERGENCYPREPAREDNESSEXERCISEPLUMEEXPOSUREPROPOSEDONSITEACTIVITIESRGSENotificationofAgenciesCallUpofPersonnelActivateOrganizationMaintainSecurityConduct.DoseAssessmentprotectiveActionRecommendationsOperateJointNewsCenterDispatchFieldSurveyTeamsObtainPASSSampleActualActual*Actual>>ActualActualActualActualActual-3**ActualCallupofpersonnelandfacilityactivationwillbeperformedinsequence.Aseparate,off-hoursmusteringdrillwillbeconductedduringtheweekofNovember9,1992.Fieldteamswillbedeployedandwilldemonstrateappropriatefieldmonitoringtechniquesandcommunicationswithrespectiveemergencyresponsefacilities.Aminimumof1onsiteand2offsiteteamswillbedeployed.

SIMULATIONSoRespiratoryprotectionandprotectiveclothingwillbesimulatedbyonsite/offsitesurveyteams.In-Plantteam-willdonrespiratoryprotectionandprotectiveclothingprescribedbyHealthPhysicsandChemistrypersonne1accordingtopostulatedscenarioplantconditions.oIngeneral,Exerciseparticipantsshouldfollowapplied&plantproceduresascloselyaspossible,andwillbestoppedbyControllersbeforeactualequipmentismanipulated(exceptPASS).SimulatedrepairsandothercorrectiveactionsshouldbedescribedtoController-/Evaluatorsasfullyaspossible.

SUMMARYOFPROPOSEDOFFSITEACTIVITIESItisanticipatedthatWayneandMonroeCountiesandNewYorkStatepersonnelwillparticipatetoperformthefollowingminimumfunctions:1.CommandandControl2.DoseAssessment3.JointNewCenterStaffing4.ProtectiveActionDecisionmaking5.Communications EXERCISESCENARIO GINNASTATION1992EMERGENCYPREPAREDNESSEXERCISEINITIALCONDITIONS1~2~TheR.E.GinnaNuclearPowerPlantisoperatingatapproximately974ratedthermalpower.ThePlanthasbeenoperatingatthispowerlevelcontinuouslyforapproximately150days.The"A"SteamGenerator(S/G)primarytosecondaryleakrateincreasedapproximately5daysagotoacalculated60cc/min.Atapproximately0630hoursthismorningtheprimarytosecondaryleakratehasagainincreasedsignificantlyasindicatedbyasubstantialincreaseinradiationmonitorR-15(AirEjector).RadiationmonitorR-19(S/GBlowdown)hasalsoindicatedanincreaseinactivity.TheHealthPhysics/ChemistryDepartmentisintheprocessofanalyzingsamplestodeterminethecalculatedleakrate.3~4~5.6.7~EquilibriumPrimaryCoolantIsotopicactivityasof0300hours(10/8/92isprovidedintable9.2ofscenarioSection9.3.Totalactivityis2.56microcuries/gram.ChemistryLogSheet,availablefromtheController.TheReactorCoolantSystem(RCS)totalleakageis0.361GPMasof0400hoursthismorningandhasbeenincreasing.IdentifiedRCSLeakageis0.073GPM.Generalweatherconditionsarepartlycloudywithnocurrentprecipitation.ForpurposesoftheExercise,additionalmeteorologicalinformationintheSimulatorControlRoomshouldbeobtainedfromthePlantProcessComputerSystem(PPCS).ThePrimaryWaterTreatmentPlantissecuredformajormaintenancethatwilltakeapproximately3days.the100,000GallonOutsideCondensateStorageTankisat20%Level.ADemineralizerTrailerhasbeenorderedandisscheduledtoarriveat1300hourstoday.TheHouseHeatingBoilerisinserviceandNuclearSteamissecured.

GINNASTATION1992EMERGENCYPREPAREDNESSEXERCISEONSITESEQUENCEOFEVENTSAPPROPRIATESCENARIOTIMETIMEEVENTDESCRIPTION070007150730UNUSUALEVENT-00/1500/0000/15InitialConditionsestablishedAnnouncementtoCommenceAnnualEmergencyExerciseTheHealthPhysics/ChemistryDepartmentinformstheControlRoomthatthe"A"S/Gcalculatedleakrateisapproximately450cc/min(i.e.,=0.125gpm).ANTICIPATEDRESULTSControlRoomOperatorsshouldbeginperformingtheapplicableactionsofOperatingProcedure0-6.10(PlantOperationswithSteamGeneratorTubeLeakIndication).AnorderlyPlantshutdownshouldcommencetobeinHotShutdownwithin6hoursandtobelessthan350'FintheRCSwithinthenext6hoursasrequiredbyPlant,TechnicalSpecification.AnUnusualEventshouldbedeclaredinaccordancewithEPIP1-0,"GinnaStationEventEvaluationandClassification,"EAL:SteamGeneratorTubeRupture(SGTR);SteamGeneratorTubeLeakage>.1GPMasidentifiedbysampling.AppropriateoffsitenotificationsshouldbemadeperEPIP1-5.IfanUnusualEventnotdeclaredinapproximately15minutes,acontingencymessageshouldbegivenouttodeclareit.

APPROPRIATESCENARIOTIMETIMEEVENTDESCRIPTION075500/40The"A"S/GARVpopsopenandcannotbeclosedfromtheControlRoom.081000/55ANTICIPATEDRESULTSControlRoomShouldsendanAuxiliaryOperatortotheSteamHeaderAreatoclosetheIsolationValveonthe"A"S/GARV.Operatorsperformingtheapplicableactionsof0-2.1.TechnicalSuortCenterThePlantManager,OperationsAssessmentManager,andDutyEngineershouldbemanningtheTSCforOffsiteCommunicationsAssistanceperEPIP1-5.TheAuxiliaryOperatorsenttoisolatethe"A"S/GARVreportstotheControlRoomthatthe"A"S/GARVisisolated,buthehasnoticedasteamleakonthe"B"S/GARV,betweentheARVandtheARVIsolationValve.ANTICIPATEDRESULTSControlRoomShouldinformpeoplemanningtheTSCofthe"B"S/GARVLinesteamleak.MayrequestAuxiliaryOperatortoisolatethe"B"S/GARV.Operatorsperformingtheapplicableactionsof0-2.1.ShouldinformthepeoplemanningtheTSCofthe"A"S/GARVproblemandisolation.

APPROPRIATESCENARIOTIMETIMEEVENTDESCRIPTION081501/00TechnicalSuortCenterMayrequestthatthe"B"S/GARVbeisolatedormaywaituntilMaintenancepersonnelhaveinspectedit.MayinformControlRoomthattheywilltakeactionstohaveMaintenancepersonnelinspectforthe"A"And"B"S/GARVproblems.AnnunciatorG-22(ADFCSSystemTrouble)alarms.ANTICIPATEDRESULTS084001/25ControlRoomOperatorsperformtheapplicableactionsofAR-G.22.OperatorsshouldchecktheS/Glevelstoensureproperlevelcontrol.OperatorsshouldinformthepeoplemanningtheTSCandI&CDepartmentoftheADFCSproblem.TheCCWSurgeTankLoLevelAlarm(AR-A-13)annunciatesandtheCCWlevelindicatesitisdecreasing.ANTICIPATEDRESULTSControlRoomOperatorsperformtheapplicableactionsofAlarmResponseProcedureAR-A-13(CCWSurgeTankLoLevel41.24).OperatorsshouldsendanAuxiliaryOperatorintotheAuxiliaryBuildingtoidentifytheCCWLeak.ShouldinformthepeoplemanningtheTSCoftheCCWleak.

APPROPRIATESCENARIOTIMETIMEEVENTDESCRIPTION0850Ol/35AuxiliaryOperatorcheckingtheCCWleakinAuxiliaryBuildinginformsControlRoomthatthelACCWPumpMechanicalSealisleakingandsprayingonthepumpmotor.Therunning1ACCWPumptripsoutonovercurrentandannunciator(AR-A-17)alarms.Thestandby1BCCWpumpstartsautomaticallyanddeliverersrequiredflow.ANTICIPATEDRESULTSControlRoom0855090501/4001/45OperatorsperformtheapplicableactionsofabnormalprocedureAP-CCW.2(LossofCCWduringpoweroperation).OperatorsrequesttheAuxiliaryOperatorsenttoidentifytheCCWleakintheAuxiliaryBuilding,toisolatethesuctionanddischargeofthe1ACCWPumpandrackoutitselectricalbreaker.OperatorsshouldinformthepeoplemanningtheTSCofthe1ACCWPumpproblems.TheADFCSproblemwiththeMFWRegulatingValvesisrepaired.ANTICIPATEDRESULTSControlRoomOperatorscontinueshuttingPlantdownper0-2.1.AuxiliaryOperatorisolatingthe1ACCWPumpinformsControlRoomthattheSuctionandDischargeValvesareclosedandtheelectricalbreakerisrackedout.NTICIPATEDRESULTSControlRoomOperatorsshouldensurethat1ACCWPumpControlSwitchisinpullstopandCCWSurgeTanklevelhasreturnedtonormal.

APPROPRIATESCENARIOTIMETIMEEVENTDESCRIPTION0915ALERT02/00Thefollowingeventsoccursimultaneously:~Pressurizerlevelandpressuredecreasesuncontrollably.~Areactortripoccursautomaticallyfromlowpressurizerpressureorismanuallyactivatedbytheoperator.~Asafetyinjectionoccursautomaticallyfromlowpressurizerpressureorismanuallyactivatedbytheoperator.~The<<A"S/Gwaterlevelincreasesuncontrollably.~Allsafeguardsequipmentrequiredisoperating.ANTICIPATEDRESULTSControlRoom094502/30OperatorsperformingtheimmediateactionsofE-0(Reactortriporsafetyinjection).AnALERTshouldbedeclaredinaccordancewithEPIP1-0,"GinnaStationEventEvaluationandClassification,"EAL:SteamGeneratorTubeRupture(SGTR):SGRT>100GPM.AppropriateonsiteandoffsitenotificationsshouldbemadeperEPIP1-5.IfandALERTisnotdeclaredinapproximately15minutes,acontingencymessageshouldbegivenouttodeclareit.OperatorstransitiontoE-3(SteamGeneratorTubeRupture)andstartperformingitsapplicableactions.AccidentResponseandEvaluationcontinues.ANTICIPATEDRESULTSControlRoomOperatorsperformingtheapplicableactionsofE-3(SteamGeneratorTubeRupture)tostabilizethePlant.

0, APPROPRIATETIMESCENARIOTIMEEVENTDESCRIPTIONTechnicalSuortCenteTheTSCshouldbenearingoperationalreadinessoftheEmergencyResponseOrganization.TheTSC,whenoperational,shouldsendrepairteamsintotheAuxiliaryBuildingtoevaluatethe1ACCWPumpandmotorproblems.TheTSC,whenoperationalshouldsendrepairteamsouttoevaluatethe>>A>>and>>B>>S/GARVproblemsifnotalreadydone.Emerenc0erationsFacilit100002/45EOFmaybeactivatingatthistimeduetoPlantconditions.Accidentresponseandevaluationcontinues.TICIPATEDRESULTSControlRoomOperatorsperformingtheapplicableactionsofE-3(SteamGeneratorTubeRupture)tostabilizethePlant.TechnicalSuortCenter101503/00TheTSCshouldbeassumingcommandandcontrol.AnnunciatorJ-9(SafeguardBreakerTrip)Alarms.ANTICIPATEDRESULTSControlRoomWhenoperatorschecktheBoard,the>>A>>SWPumpSwitchindicatesawhitedisagreementlightandthe>>A>>SWPumpindicatestripped.Operators/TSCshouldsendanAuxiliaryOperatortotheScreenHousetocheckon>>A>>SWpump.OperatorsshouldinformtheTSCofthe>>A>>SWPumpproblem.

APPROPRIATESCENARIOTIMETIMEEVENTDESCRIPTION1030SITEAREAEMERGENCY03/15TheAuxiliaryOperatorsenttotheScreenHousetocheckthe"A"SWPumpreportstotheControlRoom/TSCthathecanfindnothingwrongwiththe"A"SWPumpbuthehassmelledthestrongodorofgasthrough-outthebuildingwiththestrongestodorintheBasement.ANTICIPATEDRESULTSControlRoomShouldrequestthattheAuxiliaryOperatorfindtheshutoffvalvesforthenaturalgasandpropanegastotheScreenHouseandclosethem.ShouldinformtheTSCofthegasproblemintheScreenHouse.Ifnotalreadyisolated,shouldsendanAuxiliaryOperatortoisolatethe"B"S/GARVwhenrequestedtodo.TechnicalSuortCenterTheTSC,afterassessingPlantconditions,should:DeclareaSITEAREAEMERGENCYinaccordancewithEPIP1-0,"GinnaStationEventEvaluation'andClassification,"EAL:Hazardsbeingexperiencedorprojected;entryofuncontrolledflammablegasesintovitalareas.AppropriatenotificationsofoffsiteagenciesshouldbemadeperEPIP1-5.IfaSiteAreaEmergencyisnotdeclaredinapproximately15minutes,acontingencymessageshouldbegiventodeclareit.TSCshouldinformtheEOFofPlantconditionsandtheSiteAreaEmergencyDeclaration.ASiteEvacuationshouldbecommencedifitisdeterminednecessary.

APPROPRIATETIMESCENARIOTIMEEVENTDESCRIPTIONReairTeams104503/30RepairteamsentouttochecktheCCWPumpshouldreportthatthe1ACCWPumpMechanicalsealneedsreplacingandthatthe1ACCWPumpmotorneedstobecleanedanddried.Theyreportthiswilltakeapproximately8hours.Theyalsoreportthatthe1BCCWPumpMechanicalSealisleakingasmallamount.RepairTeamsentouttocheckthe"A"S/GARVcontrolproblemshouldreportthattheARV'sMercoidcontrollerneedstobereplaced.Theyreportthatitwilltakeapproximately1hourtodo.Ifnotdoneearlier,theRepairTeamsentouttocheckthe"B"S/GARVSteamleakrequestthatitbeisolated.Accidentresponseandevaluationcontinues.Ifnotdoneearlier,theAuxiliaryOperatorsentouttoisolatethe"B"S/GARVsteamleakreportsbackthatitisisolated.ANTICIPATEDRESULTSCotrolRoomOperatorsperformingtheactionsofE-3(SteamGeneratorTubRupture)shouldhavestabilizedthePlantatapproximatelythistimeandbeawaitingdeterminationbytheTSCastowhatpostSGTRcooldownproceduretouse.Ifnotdoneearlier,shouldinformtheTSCofthe"B"S/GARVsteamleakisolation.TechnicalSuortCenterTheTSCshouldbeevaluatingtheflammablegasproblemintheScreenHouseandbetakingcorrectiveactionsrequiredtoreturntheScreenHousetoasafecondition.TheTSCDoseAssessmentshouldcalculateandquantifyanyreleasepathstotheenvironment.TSCshouldhavedeterminedandinformedtheControlRoomtouseES-3.1(Post-SGTRCooldownusingBackfill).

APPROPRIATESCENARIOTIMETIMEEVENTDESCRIPTION110003/45ReairTeamsRepairTeamsentouttocheckthe"B"S/GARVsteamleakreportsthatitappearsthatthesteamleakwasfroma>-inchholedrilledalmostthroughthepipe,andalsothataflangeisleaking.Theyreportthatitwilltakeapproximatelyoneandahalfhourstorepairtheleak.CondensateStorageTank(CST)levelsdecreaseto5feet.ANTICIPATEDRESULTSControlRoomOperatorsshouldrefertoER-AFW.1(AlternateWaterSupplytoAFWPumps)perfoldoutpageofES-3.1,Statement4,whichstates,"IfCSTleveldecreasestolessthan5feet,thenswitchtoalternateAFWsupply(RefertoER-AFW.1,AlternateWaterSupplytoAFWPumps)andperformapplicableactions.ShouldinformTSCofthelowlevelintheCSTs.TECHNICALSUPPORTCENTERTSCevaluatingPlantconditionsandtakingactionwhererequired.TSCshouldinformsecurityoftheasfoundconditionofthe"B"S/GARVsteamleak.TSCDoseAssessmentperformingoffsitedosecalculationsasrequired.TSCshouldbeexpeditingtherepairoftheS/GARVsbecauseoftheiruseduringsucheventsaslossofcondenserandPlantcooldown.TSCshouldsendaRepairTeamtocheckoutthe"A"SWPumpproblemwhentheScreenHouseisdeclaredsafeforentry.TSCshouldinformEOFofPlantstatusandproblems.

APPROPRIATESCENARIOTIME.TIMEEVENTDESCRIPTION~eecuritShouldbeevaluatingthedrilledholeinthe"B"S/GARVpipe.Emerenc0erationFacilit112004/05TheEOF,afteritismanned,shouldstartassessingPlantconditionsandtakeactionasrequired.The"A"S/GARVMercoidisrepairedandreadyforreturntoservice.ANTICIPATEDRESULTSControlRoomOperatorsperformingapplicableactionsofES-3.1(Post-SGTRCooldownusingBackfill).OperatorsperformingapplicableactionsER-AFW.1.Operatorsshouldreturnthe"A"S/GARVtoserviceifrequestedbytheTSC.TechnicalSuortCenterTSCevaluatingPlantconditionsandtakingactionswhererequired.TSCDoseAssessmentperformingoffsitedosecalculationsasrequired.TSCmayrequesttheControlRoomtoreturnthe"A"S/GARVtoservice.~SecuritShouldbeevaluatingthedrilledholeinthenB"S/GARVpipe.Emerenc0erationsFacilitEOFshouldbeassessingPlantconditionsandtakingactionasrequired.

APPROPRIATESCENARIOTIMETIMEEVENTDESCRIPTIONEOFDoseAssessmentshouldbeperformingoffsiteDoseAssessment,asrequired,inparallelwiththeTSCDoseAssessment.TheEOFshouldbeassumingcommandandcontrolatapproximatelythistime.ReairTeams114504/30Performingactionsasrequiredtoreturnequipmenttoserviceassoonaspossible.The>>B>>S/GARVsteamleakisrepairedandreadyforreturntoservice.ANTICIPATEDRESULTSControlRooOperatorsshouldbeperformingtheapplicableactionsoftheES-3.1(Post-SGTRCooldownusingBackfill).TechnicalSuortCenterTSCevaluatingPlantconditionsandtakingactionasrequired.EOFevaluatingPlantconditionsandtakingactionasrequired.=1230<<131505/1506/00TSCshouldrequestControlRoomtoreturnthe>>B>>S/GARVtoservice.Recover/Re-entrydiscussionsshouldcommence.Thisshouldincludepreliminarydiscussionsaboutshorttermandintermediatetermconcerns,includingpreliminarydesignationoftheRecoveryOrganization.Stateandcountiesmayalsoconductparalleldiscussions.Recovery/Re-entryinterfacebetweenTSC/EOFandoffsiteagenciesshouldbedemonstratedastimeallows.AfterallExerciseObjectiveshavebeendemonstrated,theExercisewillbeterminated.

RADIOLOGICALSRY 9.1RadioloicalSummarASourceTermTheradiologicalsourcetermassumedforthisscenariowasselectedtoincludeappropriatequantitiesofnoblegasandradioiodineresultingfromthepostulatedaccidentscenario.Protectiveactionrecommendationsi.e.,shelteringorevacuationforcertainEmergencyResponsePlanningAreas(ERPAs)willnotberequiredbasedupontheanticipateddeclarationofaSiteAreaEmergencyandplantconditions.Asaresultofaccidentreleaserates,theprojectedwholebodyandthyroiddoseswillnotexceedEPAProtectiveActionGuidesbeyondtheSiteBoundary.TheassumednoblegasandradioiodinereleasequantitiesareshowninFigure9.1asafunctionoftime.ThescenarioinvolvestworeleasepointswhichisfromtheAirEjectorandthe"A"AtmosphericReliefValve(ARV).Thisoccursasfollows:Pre-SteamGeneratorTubeRuptureTime0700-0915ReleasePointAirEjectorReleaseRateC'ec1.77E-3(NobleGas)2.24E-8(Radioiodine)Thenoblegas-to-radioiodineratioassumedis7.89E4:1duringthisperiodofrelease.Time0755-0810ReleasePointReleaseRateCisec8.32E-3(NobleGas)1.76E-9(Radioiodine)Thenoblegas-to-radioiodineratioassumedis7.89E4:1duringthisperiodofrelease.SteamGeneratorTubeRuptureTime8ReleaseRateCisec0915-0935AirEjector5.24E-1(NobleGas)2.55E-4(Radioiodine)Thenoblegas-to-radioiodineratioassumedis2000:1duringthisperiodofrelease.Isotopicbreakdownsofassumednoblegas,radioiodineandparticulatereleasequantitiesareprovidedinTable9.1.

Time0935-0955ReleasePointAirEjectorReleaseRateCisec6.23E-2(NobleGas)3.12E-5(Radioiodine)Thenoblegas-to-radioiodineratioassumedis2000:1duringthisperiodofrelease.Isotopicbreakdownsofassumednoblegas,radioiodineandparticulatereleasequantitiesareprovidedinTable9.1.B.InteratedOffsiteDosesDuetoPlumeEosureThedownwindintegrateddosesfromthescenarioreleaseareasfollows:TimeReleasePointInteratedDoseRem0700-09150755-0810F0915-09350936-0955AirEjectorAirEjectorAirEjector1.25E-4(WholeBody)8.75E-7(ChildThyroid)6.S2E-5(WholeBody)7.63E-9(ChildThyroid)5.34E-3(WholeBody)1.48E-3(ChildThyroid)6.S1E-4(WholeBody)1.81E-4(ChildThyroid)TotalWholeBodyDose(at8iteBoundary)=6.13E-3RemTotalChildThyroidDose(at8iteBoundary)=1.66E-3RemC.PrincialPlantRadioloicalIndicationsFigures9.1through9.3providetrendplotsforkeyplantradiologicalindications,includingplantventconcentration,letdownmonitorlevel,containmentradiationlevelandreactorcoolantconcentration.

TABLE9TheassumedreleasequantitiesfortheGinnaExerciseScenarioaresummarizedasfollovs:Time:0915-0935hrNuclideCurieSecTotalCuriesReleasedKr-85Kr-85mKr-87Kr-88Xe-131mXe-133Xe-133mXe-135Xe-135mXe-138TotalNobleGas4.0E-041.3E-021'E-022'E-024.9E-033'E-014.9E-024.9E-021.6E-026'E-025~2E-014.8E-011.7E+012.3E+012.5E+015.9E+004.0E+025.9E+015.9E+011.9E+017.6E+016'E+02I-131I-132I-133I-134I-1357.5E-054.9E-054.6E-054'E-054'E-059'E-025'E-025.5E-025.0E-025'E-02TotalRadioiodine2~6E-043~1E-01Long-LivedParticulate1+2E-091~5E-06

TABLE9.1(continued)TheassumedreleasequantitiesfortheGinnaExerciseScenarioaresummarizedasfollows:NuclideTime:09360955hrCurieSecTotalCuriesReleasedKr-85Kr-85mKr-87Kr-88Xe-131mXe-133Xe-133mXe-135Xe-135mXe-138TotalNobleGas4.8E-051.5E-032.1E-032.5E-035.8E-043.9E-025.8E-035.8E-031.9E-037.5E-036'E025'E-021.8E+002.5E+003.0E+007.0E-014.7E+017.0E+007.0E+002.3E+009.0E+007~5E+01I-131I-132I-133l-134I-1358.9E-065.8E-065.5E-065.0E-065.1E-06F1E-027.0E-036'E-036'E-036'E-03TotalRadioiodine3~1E-053'E-02Long-LivedParticulate1~4E-10i+7E07 FIGURE9.1ASSUMEDSOURCETERMSI/SECC1.0E+00--;.1.0E-011.0E-021.0E-031.0E-041.0E-051.0E-061.0E-071.0E-081.0E-091.0E-101.0E-11111111111111777888889999990000111122223450113401334501340134013405500505050656050505050505CLOCKTIME~NOBLEGASCI/SEC~RADIOIODINECI/SEC FIGURE9.2AIREJECTORVENTCONCENTRATIONSU1.0E+011.0E+001.0E-011.0E-021.0E-031.0E-041.0E-051.0E-061.0E-071.0E-081.0E-091.0E-101.0E-11CI/CC111111111111778888999999000011112222340134013345013401340134050505050555050505050505OLOCKTIMENOBLEGAS~RADIOIODINE FIGURE9.3RCSCONCENTRATIONSVSTIME+02UCI/GM1.0E1.0E+011.0E+001.0E-01111111111111778888999900001111222234013401340134013401340505050505050505050505CLOCKTIMETOTALGAS~TOTALIODINE

METEOROLOGICALASSUMPTIONS

MeteoroloicaConditionsBasisThemeteorologicalconditionsforthisscenariowerebaseduponhistoricalmeteorologicaldatarecordedbytheGinnaprimaryweathertowerandtheNationalWeatherServiceonAuust221988.Minoredittingwasperformedonthedatatoprovidethewinddirectionandatmosphericstabilityconditionsrequiredbythescenarioduringtheperiodofrelease.NationalWeatherServiceandotherExercisecontrollerswillprovideExerciseparticipantsweatherforecastsummariesbasedonthemeteorologicaldataandothersupportinginformationavailablefromthehistoricalrecord.Thegoalofthisapproachistoprovideparticipantswithmorerealisticforecastinformation.ScenarioAssumtionsThescenariobeginswithlight,southerlywindswhichshiftandbecomenortheasterlybymid-morning.DuringtheperiodofreleaseduetotheSteamGeneratorTubeRupture(0915-0955hr),theaveragemeteorologicalconditionsareasfollows:WindSpeedWindDirection5mph(at33ft)50degrees(at33ft;windfrom)PasquillStability=E FIGURE40.1DIRECTIONOFTHEPlUME/cetvoee/OtetSIChoonoootheIoLe-~ejSeog.-55.;O'.t".:-/piI'JtCCIecIttcovooetoIvtc)4orCIIIaeehee4ochN~ocINSIoiooooBoothw~i~/I'tetoecetneSI(tWT~tr~nogitnvSs.,I~rfkth~oe("~MfeWebiter.-'ltig~ttetO~~cte~O(t-rr~.'ItStone~WeletteteIOII//tttt/ii///octItoSS4I/-CMt'(~~.'~~~~:~-~rl/pltc'gh:I>n~JM~IrSehtOWTRoclsee@It;oQ-~ti,OtItt/tt(leor~I~I~WIIVccWeetWolwonhOrattOettvt4e4eottOtveo4eo~4/t4tooc~>>.kwoI)~XU;~(=ado/Cteie(/eoce(~OooVIC5CtIA.'IcclCSteOsClFhhetoI~'not4,~IIII'~~t87I/tctNTA0CO4loeootooOiIIrC!I)IeSCAM1:100000ICCOItxtttcettnateTicetcoogttgcsctctsI<~~II/0/IOCtotetsesoIS'stslotesISttcXI":I@a~i