ML17201A005

Rhode Island Nuclear Science Center - Annual Operating Report, Per Technical Specifications 6.7.1

ML17201A005
Person / Time
Site:	Rhode Island Atomic Energy Commission
Issue date:	07/19/2017
From:	Martin P W State of RI, Atomic Energy Comm, Nuclear Science Ctr
To:	Patrick Boyle Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML17201A005 (20)

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STATEOFRHODEISLANDANDPROVIDENCEPLANTATIONSRhodeIslandAtomicEnergyCommission16ReactorRoadNarragansett,Rl02882-1165Telephone#401-874-2600July19,2017DocketNo.50-193DocumentControlDesku.s.NuclearRegulatoryCommission(NRC)11555RockvillePikeRockville,Maryland20852Attn:Mr.PatrickBoyle,ProjectManager

DearMr.Boyle:

ThisletterandtheenclosuresconstitutetheannualreportrequiredbytheRINSCTechnicalSpecifications(Section6.7.1).Enclosure1providesreactoroperatingstatistics.Enclosure2providesinformationpertainingtounscheduledreactorshutdownsorscrams.Enclosure3discussesmaintenanceoperationsperformedduringthereportingperiod.Enclosure4describeschangestothefacilitycarriedoutundertheconditionsofSection50.59ofChapter10oftheCodeofFederalRegulations.Lastly,Enclosure5summarizestheradiologicalcontrolsinformation.Ifthereareanyquestionsregardingthisinformation,pleasecallmeat401-874-9442.Sincerely,PaulWMartinJrReactorSupervisorEnclosures(5)Copyto:Mr.CraigBassett,USNRCDr.JohnJ.Breen,Chairman,NRSCDr.ClintonChichester,Chairman,RIAECDr.NancyBreen,RIAECMr.HowardChun,RIAECDr.YanaK.Reshetnyak,RIAECDr.NitinPadture,RIAEC Enclosure1ReactorOperatingStatisticsTechnicalSpecificationSection6.7.1.1MonthYearOperatingMWHofHoursOperationJuly201627.5230.33August201632.4731.50September201626.2824.36October201614.4016.57November201636.0041.02December201630.4537.36January201713.358.42February201752.9554.38March201777.2786.81April2017123.42206.18May2017161.93269.45June2017154.38261.78TotalFY2017750.421068.15MWHor44.51MWDTotalEnergyOutputSinceInitialCriticality66,785.33MWHor2782.72MWD ENCLOSURE2UNSCHEDULEDSHUTDOWNSORSCRAMSTechnicalSpecificationSection6.7.1.2Page1of1Thefollowingisalistoftheunscheduledshutdownsorscramsthatoccurredduringthe2016-2017reportingperiod:DateRunLogbookPageCauseDescriptionNo.07/0101691796275WatchdogScrammedtwiceduringstart-upduetocomputerScramcommunicationerror,hadtorebootcomdeviceonthereactorbridge07/2011691836280InstrumentationScrammedtwiceduetorangeisolatoroutputforWRchannellbeingirratic.Isolatorwasreplaced.09/19116920162102OperatorOperatorerrorduringtheperformanceofrodworthtestingwithtrainee.09/22116920262104PowersurgeMomentarylossofpowertoscrammagnetsattributedtoACpowerpertibations.11/03116921262115OperatorAutoscramwhileraisingreactorpower,rangeselectionerror.02/07117923862148InstrumentationShortperiodScrampriortoreachingcriticalityduetosignalnoise.02/18/17923962149OperatorAutoscramwhilechangingreactoroperatingmodefortraining.02/14117924162152EquipmentManuallyscrammedduetoexhaustblowermotorfailurefailure,confmementventilationinoperabletosupportreactoroperation.02/16117924462155InstrumentationScramwhileraisingblade1,noindications,noknowncause.02/211179245631InstrumentationScramwhileraisingblade3,priortoreachingcriticalityduetosignalnoise.03/021179252638InstrumentationScramwhileraisingblade1,priortoreachingcriticalityduetosignalnoise.03/0711792556311InstrumentationScrampriortoreachingcriticalityduetosignalnoise.03/0811792566312InstrumentationShortperiodScramtwicejustafterreachingcriticalityduetosignalnoise.0311611792606317InstrumentationOperatormanuallyscrammedreactorduetoerraticindicationonshimsafetyblade#205/0411792876346OperatorOperatorinadvertentlyinitiatedamanualrundown.0511711792926352InstrumentationInstrumentrack4UPSpertibationcausedlossofflowautoscram0511811792936354InstrumentationInstrumentrack4UPSfailurecausedlossofflowautoscram0612911793146377InstrumentationScramwhileraisingblade1,priortoreachingcriticalityduetosignalnoise.

ENCLOSURE3MAINTENANCEOPERATIONSTechnicalSpecification6.7.1.3requiresalistingofthemajormaintenanceoperationsperformedinthe2016-2017reportingperiodincludingtheirimpactuponthesafeoperationofthereactorandthereasonsforthecorrectivemaintenance.Thenewstackradiationmonitorwasinstalled.Thenewmonitorisasignificantupgradeandhasthelatesttechnologyandfarmorecapabilitiesthantheoldmonitor.Thecurrentplanisthatitwillbeplacedinserviceastheprimarystackmonitorassoonasithasbeenmadecapableofindicatinginthecontrolroomandtheoldmonitorwillcontinuetobemaintainedasabackupforaslongasitcontinuestoremainfunctional.TheInletTemperatureScramwasimplementedtocomplywiththenewRINSeTechnicalSpecificationsthatwereapprovedaspartofthere-licensingeffort.

ENCLOSURE4FACILITYCHANGES-10CFR50.59REVIEWTechnicalSpecification6.7.1.4requiresthatweprovidealistinganddescriptionofany10CFR50.59evaluationsconductedduringthe2016-2017reportingperiod.A10CFR50.59evaluationwasperformedonthefollowingfacilitychanges:*Newstackradiationmonitor*InletTemperatureScramimplemented,OutletTemperatureScrameliminatedtocomplywiththenewTSrequirements.*AreaRadiationMonitorupgrade.Note:Thisscreenedoutasnoreviewrequired,however,atthelastNRCinspectionvisit,itwasstronglyrecommendedthatwedoareview.Aftercompletingthereview,aconferencecallwasheldtotrytounderstandwhywewereaskedtocompleteareviewonsomethingthatclearlyscreenedoutasnoreviewrequired.Aftercomingtoabetterunderstandingoftheconfigurationandoperationofourfacility,itwasagreedthatareviewwasnotnecessaryorrequired.Allthreeofthese50.59reviewsareattached.

ENCLOSURE5RADIOLOGICALCONTROLS1.EnvironmentalSurveysoutsidetheFacility-TechnicalSpecification6.7.1.6QuarterlyTLD1badgesaredeployedoutsidethereactorbuildinginthreeseparatelocations.Thequarterlydosesinunitsofmremareshowninthetablebelow.LOCATION3rdQTR4thQTR1stQTR2ndQTR2016201620172017NortheastWall84a16DemineralizerDoor535975390HeatExchangerDoor263953171Thegeneralpublicdoesnotfrequenttheselocationsandthereforeoccupancyfactorsmaybeusedtoapproximateannualdose.Theallowableannualexternaldosemustbebelow100mremperyear.Assumingthatthemaximumtimethatamemberofthegeneralpublicwouldbepresentinoneoftheselocationsis10minutesperday,anoccupancyfactorof0.025canbeusedtoobtaintheannualdosethatwouldbereceivedbyamemberofthegeneralpublic,inanyoftheseareas.TheannualdoseattheNortheastWall,DemineralizerandHeatExchangerDoorsisdependentontheoperationsscheduleofthereactor.Ignoringthefactthatthedoserateisnotpresent24hoursperday,andapplyingtheoccupancyfactorof0.0252,theannualdosethatwouldbereceivebyanindividualinthedemineralizerroomwouldbe14.43mrem.ThedosereceivedattheHeatExchangerDoorwouldbe7.23mrem.TheannualdosereceivedattheNortheastwallwouldbe0.7mrem.Thevariationsfromquartertoquarterandfrompreviousreportsarealsodueinparttomovementsofitemswithinthereactorbuildingduringthefiscalyearandvaryinguseofthedifferentirradiationfacilities.2.AnnualExposuresExceeding500mremforfacilitymembers,100mremfornon-staffmembersor10mremformembersofthegeneralpublic-TechnicalSpecification6.7.1.7TherewerenopersonnelexposuresgreaterthanTechnicalSpecification6.7.1.7.requirements.lThermoluminescentDosimeter;MirionTechnologyreadsthedosimetersatminimumof1mrem.2Occupancyfactorwaschangedfrom0.01to0.025.0.01wasderivedusingoccupancyfactorandusefactor(itwasassumedthatthereactorisnotrunning8hourseveryday).Wewilluse0.025,fromNCRP147forOutdoors,unattendedparkinglots,attics,stairways,unattendedelevators,janitor'sclosets.0.025ismoreconservativenumberthan0.01.

3.RadioactiveEffluents-TechnicalSpecification6.7.1.5A.IndividualgaseouseffluentconcentrationsforeachreactoroperationarerecordedontheMonthlyInformationSheets(FormNSC-78).Theconcentrationofradioactivematerialsintheeffluentreleasedfromthefacilityexhauststacksshallnotexceed1E+05timesconcentrationsspecifiedin1OCFR20,AppendixB,TableII,whenaveragedovertimeperiodspermittedby1OCFR20.3GammaspectroscopyofstackgassampleshasshownthattheprincipalgaseouseffluentisArgon-41.ThemaximumconcentrationforthisprinciplecontaminantpermittedunderTechnicalSpecificationsis1E-8IJCi/ccx1E+5=1E-3IJCi/cc.Averageconcentrationsreleasedduringtheyearwerelessthan0.0683ofthelimit.ThetotalArgon-41releaseduringthereportingperiodwas149.54curies.Thecalculatedeffectivedoseequivalentforthisreleaseis3mrem/year(COMPLYCode).TheComplyCodereportisattached.B.LiquideffluentconcentrationsreleasedtotheenvironmentaredocumentedontheSewerDischargeReport(NSC-09).EachreleasewasapprovedpriortodischargewithitspHbeingwithintheacceptablerangeandwiththesumofthefractionsoftherespectiveradioisotopespermonthbeingbelowthedischargelimitof1.Forthereportingperiod,thetotalvolumeofdischargewas1.84E7ml.Theisotopesandtheirrelativeactivitiesdischargedaregivenbelow.RadioisotopeTotalActivityDischarged(microcuries)H-31720.1C-1460.15Pb-2142.86Bi-2145.58K-4034.563TechnicalSpecifications,Section3.7.2.1 AttachmentB10CFR50.59ReviewNSC-51Date:Title:1/27/17ApprovedBy:StackMonitorUpgradeMichaelJ.DavisAsanattachmenttothisform,provideawrittendescriptionoftheproposedmodification,thepurposeformakingthemodification,andajustificationfortheanswertoeachofthefollowingquestions:1.DoesthechangerequireachangetotheTechnicalSpecificationsoftheR-95License?YNAreviewoftheRINSeTechnicalSpecificationsindicatesthat:A.Section3.7.1.1Wheneverthefollowingoperationsareinprogress:*Thereactorisoperating.*Irradiatedfuelhandlingisinprogress.*Experimenthandlingisinprogressforanexperimentthathasasignificantfissionproduct,orgaseouseffluentactivationproductinventory.*Anyworkonthecoreorcontrolrodsthatcouldcauseareactivitychangeofmorethan0.60%.l\k/kisinprogress.*Anyexperimentmovementthatcouldcauseareactivitychangeofmorethan0.60%.l\k/kisinprogress.3.7.1.1.1Aminimumofoneradiationmonitorthatiscapableofwarningpersonnelofhighradiationlevelsintheconfinementgaseousandparticulateeffluent(Table3.2,RequiredRadiationMonitors,lines1.1and1.2)shallbeoperating.3.7.1.1.2Ifthedetectordescribedinspecification3.7.1.1.1failsduringoperation,withinonehour,placeinserviceasuitablealternativeairmonitororbeginanhourlygrabsampleanalysis(grabsampleanalysisappliestoparticulateonly)inlieuofhavingafunctioningmonitor.B.Section3.7.1.23.7.1.2.1Thestackgaseousmonitorshallalarmwhenradiationlevelsofthestackgasare2.5timesnormallevels,orgreater.

3.7.1.2.2Thestackparticulatemonitorshallalarmwhenradiationlevelsofthestackparticulatesare2timesnormallevels,orgreater.C.Section3.7Table3-2RequiredRadiationMonitors3.2.1RequiredRadiationMonitorsLineDescriptionMaximumMinimumFunctionOperating#SetPointRequiredMode1.1Confinement2.5times1IndicationandAsperBuildingExhaustnormalalarmboth3.7.1.1.1StackGaseouslocallyandincontrolroom1.2Confinement2times1IndicationandAsperBuildingExhaustnormalalarmboth3.7.1.1.1StackParticulatelocallyandincontrolroomThenewstackmonitoriscapableoffulfillingallofthemonitoringandalarmcapabilitiesrequiredbytheTechnicalSpecifications.Consequently,thischangedoesnotrequireachangetotheTechnicalSpecificationsoftheR-95License.2.CouldthechangeresultinmorethanaminimalincreaseinthefrequencyofoccurrenceofanaccidentthathasbeenpreviouslyevaluatedintheSAR?YNThischangeinvolvesreplacingaradiationmonitoringinstrumentwhichisnotassociatedwithanyofthereactorsafetysystemsanddoesnothaveanyeffectonreactoroperation.Consequently,thischangewillnotincreasethefrequencyofoccurrenceofanaccidentthathasbeenpreviouslyevaluatedintheSAR.3.Couldthechangeresultinmorethanaminimalincreaseinthelikelihoodofoccurrenceofamalfunctionofastructure,system,orcomponentthatisimportanttosafetyandevaluatedintheSAR?YNThischangeinvolvesreplacingaradiationmonitoringinstrumentwhichisnotassociatedwithanyofthereactorsafetysystemsanddoesnothaveanyeffectonreactoroperation.Consequently,thischangewillnotincreasethelikelihoodofoccurrenceofamalfunctionofastructure,system,orcomponentthatisimportanttosafetyandevaluatedintheSAR.4.CouldthechangeresultinmorethanaminimalincreaseintheconsequencesofanaccidentthatisevaluatedintheSAR?YNThischangeinvolvesreplacingaradiationmonitoringinstrumentwhichisnotassociatedwithanyofthereactorsafetysystemsanddoesnot haveanyeffectonreactoroperation.Consequently,thischangewillnotincreasetheconsequencesofanaccidentthatisevaluatedintheSAR.5.Couldthechangeresultinmorethanaminimalincreaseintheconsequencesofamalfunctionofastructure,system,orcomponentthatisimportanttosafetyandevaluatedintheSAR?YNThischangeinvolvesreplacingaradiationmonitoringinstrumentwhichisnotassociatedwithanyofthereactorsafetysystemsanddoesnothaveanyeffectonreactoroperation.Consequently,thischangewillnotresultinanincreaseintheconsequencesofamalfunctionofastructure,system,orcomponentthatisimportanttosafetyandevaluatedintheSAR.6.CouldthechangeresultincreatingthepossibilityofanaccidentofadifferenttypethantheaccidentsthathavebeenevaluatedintheSAR?yNThischangeinvolvesreplacingaradiationmonitoringinstrumentwhichisnotassociatedwithanyofthereactorsafetysystemsanddoesnothaveanyeffectonreactoroperation.Consequently,thischangewillnotresultincreatingthepossibilityofanaccidentofadifferenttypethantheaccidentsthathavebeenevaluatedintheSAR.7.Couldthechangeresultincreatingthepossibilityforamalfunctionofastructure,system,orcomponentthatisimportanttosafety,withadifferentresultthanpredictedintheSAR?YNThischangeinvolvesreplacingaradiationmonitoringinstrumentwhichisnotassociatedwithanyofthereactorsafetysystemsanddoesnothaveanyeffectonreactoroperation.Consequently,thischangewillnotresultincreatingthepossibilityofamalfunctionofastructure,system,orcomponentthatisimportanttosafety,withadifferentresultthanpredictedintheSAR.8.CouldthechangeresultinadesignbasislimitforafissionproductbarrierasdescribedintheSARbeingalteredorexceeded?yNThischangeinvolvesreplacingaradiationmonitoringinstrumentwhichisnotpartofanyfissionproductbarrier.Consequently,thischangewillnotresultinadesignbasislimitforafissionproductbarrierasdescribedintheSARbeingalteredorexceeded.9.CouldthechangeresultinadeparturefromamethodofevaluationusedintheSARforestablishingthedesignbasesforthefacility?YNThischangeinvolvesreplacingaradiationmonitoringinstrumentwhichwasnotusedintheSARasamethodofevaluationforestablishingthedesignbasesforthefacility.Consequently,thischangewillnotresultin adeparturefromamethodofevaluationusedintheSARforestablishingthedesignbasesforthefacility.Iftheanswertoanyofthesequestionsisyes,thenanNRCapprovedlicenseamendmentpursuantto10CFR50.90shallbeobtainedbeforethemodificationisimplemented.

AttachmentB10CFR50.59ReviewNSC-51Date:Title:3/1/17ApprovedBy:AreaRadiationMonitorUpgradeMichaelJ.DavisAsanattachmenttothisform,provideawrittendescriptionoftheproposedmodification,thepurposeformakingthemodification,andajustificationfortheanswertoeachofthefollowingquestions:1.DoesthechangerequireachangetotheTechnicalSpecificationsoftheR-95License?YNAreviewoftheRINSCTechnicalSpecificationsindicatesthat:A.Section3.7.1.1.3ThisspecificationrequiresthataminimumofonegammasensitiveradiationmonitorthatiscapableofwarningpersonnelofhighradiationlevelsshallbeonthemainflooroftheConfinementBuildingandoverthepoolwhenthereactorisoperating.Thenewmonitorsarebothgammaandneutronsensitive,andwillbemaintainedonthemainfloorandatthepooltop.B.Section3.7.1.2.3Thisspecificationrequiresthatthearearadiationmonitorsshallalarmwhenradiationlevelsare2timesnormallevels,orgreater.Thenewmonitorshavealarmingcapability,andwillbesettoalarmwhenradiationlevelsare2timesnormallevels,orgreater.C.Sections4.7.1.1.1and4.7.1.1.2ThisspecificationrequiresthatthearearadiationmonitorsonthemainflooroftheConfinementBuildingandoverthepoolareverifiedtobeoperableeachdaypriortothereactorbeingstartedupfromtheshutdowncondition,andafterthechannelhasbeenrepaired.Thisschedulewillbemaintained.D.Sections4.7.1.2.1and4.7.1.2.2ThisspecificationrequiresthatthearearadiationmonitorsonthemainflooroftheConfinementBuildingandoverthepoolshallbechannelcalibratedandchanneltestedannually.Thisschedulewillbemaintained.Consequently,thischangedoesnotrequireachangetotheTechnicalSpecificationsoftheR-95License.

2.CouldthechangeresultinmorethanaminimalincreaseinthefrequencyofoccurrenceofanaccidentthathasbeenpreviouslyevaluatedintheSAR?YNThischangeinvolvesreplacingradiationmonitoringinstrumentswhicharenotassociatedwithanyofthereactorsafetysystemsanddoesnothaveanyaffectonreactoroperation.Consequently,thischangewillnotincreasethefrequencyofoccurrenceofanaccidentthathasbeenpreviouslyevaluatedintheSAR.3.Couldthechangeresultinmorethanaminimalincreaseinthelikelihoodofoccurrenceofamalfunctionofastructure,system,orcomponentthatisimportanttosafetyandevaluatedintheSAR?YNThischangeinvolvesreplacingradiationmonitoringinstrumentswhicharenotassociatedwithanyofthereactorsafetysystemsanddoesnothaveanyaffectonreactoroperation.Consequently,thischangewillnotincreasethelikelihoodofoccurrenceofamalfunctionofastructure,system,orcomponentthatisimportanttosafetyandevaluatedintheSAR.4.CouldthechangeresultinmorethanaminimalincreaseintheconsequencesofanaccidentthatisevaluatedintheSAR?YNThischangeinvolvesreplacingradiationmonitoringinstrumentswhicharenotassociatedwithanyofthereactorsafetysystemsanddoesnothaveanyaffectonreactoroperation.Consequently,thischangewillnotincreasetheconsequencesofanaccidentthatisevaluatedintheSAR.5.Couldthechangeresultinmorethanaminimalincreaseintheconsequencesofamalfunctionofastructure,system,orcomponentthatisimportanttosafetyandevaluatedintheSAR?YNThischangeinvolvesreplacingradiationmonitoringinstrumentswhicharenotassociatedwithanyofthereactorsafetysystemsanddoesnothaveanyaffectonreactoroperation.Consequently,thischangewillnotresultinanincreaseintheconsequencesofamalfunctionofastructure,system,orcomponentthatisimportanttosafetyandevaluatedintheSAR.6.CouldthechangeresultincreatingthepossibilityofanaccidentofadifferenttypethantheaccidentsthathavebeenevaluatedintheSAR?YNThischangeinvolvesreplacingradiationmonitoringinstrumentswhicharenotassociatedwithanyofthereactorsafetysystemsanddoesnothaveanyaffectonreactoroperation.Consequently,thischangewillnotresultincreatingthepossibilityofanaccidentofadifferenttypethantheaccidentsthathavebeenevaluatedintheSAR.

7.Couldthechangeresultincreatingthepossibilityforamalfunctionofastructure,system,orcomponentthatisimportanttosafety,withadifferentresultthanpredictedintheSAR?YNThischangeinvolvesreplacingradiationmonitoringinstrumentswhicharenotassociatedwithanyofthereactorsafetysystemsanddoesnothaveanyaffectonreactoroperation.Consequently,thischangewillnotresultincreatingthepossibilityofamalfunctionofastructure,system,orcomponentthatisimportanttosafety,withadifferentresultthanpredictedintheSAR.8.CouldthechangeresultinadesignbasislimitforafissionproductbarrierasdescribedintheSARbeingalteredorexceeded?YNThischangeinvolvesreplacingradiationmonitoringinstrumentswhicharenotpartofanyfissionproductbarrier.Consequently,thischangewillnotresultinadesignbasislimitforafissionproductbarrierasdescribedintheSARbeingalteredorexceeded.9.CouldthechangeresultinadeparturefromamethodofevaluationusedintheSARforestablishingthedesignbasesforthefacility?YNThischangeinvolvesreplacingradiationmonitoringinstrumentswhicharenotusedintheSARasamethodofevaluationforestablishingthedesignbasesforthefacility.Consequently,thischangewillnotresultinadeparturefromamethodofevaluationusedintheSARforestablishingthedesignbasesforthefacility.Iftheanswertoanyofthesequestionsisyes,thenanNRCapprovedlicenseamendmentpursuantto10CFR50.90shallbeobtainedbeforethemodificationisimplemented.

AttachmentB10CFR50.59ReviewNSC-51Date:___------'-1.:.....:/1'-='0.:.....:/1:....:....7ApprovedBy:MichaelJ.DavisTitle:170110CoolantTemperatureScramSetPointChangeAsanattachmenttothisform,provideawrittendescriptionoftheproposedmodification,thepurposeformakingthemodification,andajustificationfortheanswertoeachofthefollowingquestions:1.DoesthechangerequireachangetotheTechnicalSpecificationsoftheR-95License?YNThismodificationinvolvesimplementingachangeinthefacilityTechnicalSpecificationssothatcoolingsystemtemperaturescramsetpointsareconsistentwithnewspecifications.Thenewsettingsare:IndicatorFunctionRequiredActualSetPointSetPointPoolTemperatureScram127F126FInletTemperatureAlarmNone115FInletTemperatureScram122F119FOutletTemperatureAlarmNone126F2.CouldthechangeresultinmorethanaminimalincreaseinthefrequencyofoccurrenceofanaccidentthathasbeenpreviouslyevaluatedintheSAR?YNThismodificationhasnoimpactonreactoroperation,oranythingthatcouldcauseanaccident.Itisstrictlyaslightchangeinthecoolingsystemtemperaturealarmandscramsetpoints.3.Couldthechangeresultinmorethanaminimalincreaseinthelikelihoodofoccurrenceofamalfunctionofastructure,system,orcomponentthatisimportanttosafetyandevaluatedintheSAR?YNThismodificationhasnoimpactontheabilityofthetemperaturesystemdisplays,andtheirassociatedrelaysfromfunctioning.4.CouldthechangeresultinmorethanaminimalincreaseintheconsequencesofanaccidentthatisevaluatedintheSAR?YNThenewSafetyAnalysisshowsthatthesechangesintemperaturesetpointswillhavenosignificantincreaseintheconsequencesofanaccidentthathasbeenevaluatedintheSAR.

5.Couldthechangeresultinmorethanaminimalincreaseintheconsequencesofamalfunctionofastructure,system,orcomponentthatisimportanttosafetyandevaluatedintheSAR?YNThenewSafetyAnalysisshowsthatthesechangesintemperaturesetpointswillhavenosignificantincreaseintheconsequencesofamalfunctionofastructure,system,orcomponentthatisimportanttosafetyandevaluatedintheSAR.6.CouldthechangeresultincreatingthepossibilityofanaccidentofadifferenttypethantheaccidentsthathavebeenevaluatedintheSAR?YNThismodificationissimplyasetpointchangeandhasnoimpactonanytypeofaccidentotherthanthoseinvolvingoverheatingthefuelcladding,whichhavebeenevaluatedintheSAR.7.Couldthechangeresultincreatingthepossibilityforamalfunctionofastructure,system,orcomponentthatisimportanttosafety,withadifferentresultthanpredictedintheSAR?YNThismodificationhasnoimpactonstructure,system,orcomponentmalfunctions.8.CouldthechangeresultinadesignbasislimitforafissionproductbarrierasdescribedintheSARbeingalteredorexceeded?yNThismodificationhasnoimpactondesignbasislimitsforfissionproductbarriersasdescribedintheSAR.9.CouldthechangeresultinadeparturefromamethodofevaluationusedintheSARforestablishingthedesignbasesforthefacility?YNThismodificationcannotresultinadeparturefromamethodofevaluationusedintheSARforestablishingthedesignbasesforthefacility.Iftheanswertoanyofthesequestionsisyes,thenanNRCapprovedlicenseamendmentpursuantto10CFR50.90shallbeobtainedbeforethemodificationisimplemented.

2017Ar-41releaseCOMPLY:Vl.7.40CFRPart61NationalEmissionStandardsforHazardousAirPollutantsREPORTONCOMPLIANCEWITH7/12/20179:40THECLEANAIRACTLIMITSFORRADIONUCLIDEEMISSIONSFROMTHECOMPLYCODE-Vl.7.Preparedby:RIAtomicEnergyCommissionRINuclearScienceCenter16ReactorRoad)Narragansett)RI02882SanghoNam401-874-2600Preparedfor:u.S.EnvironmentalProtectionAgencyOfficeofRadiationandIndoorAirWashington)DC20460Page1 2017Ar-41releaseCOMPLY:V1.7.2017Ar-41RealseReportSCREENINGLEVEL4DATAENTERED:ReleaseRateNuclide(curies/YEAR)AR-411.495E+02Releaseheight35meters.Buildingheight18meters.7/12/20179:40Thesourceandreceptorarenotonthesamebuilding.Buildingwidth18meters.Buildinglength20meters.STACKDISTANCES)FILE:stackdata100.datDistanceDIR(meters)---------N100.0NNE100.0NE100.0ENE100.0E100.0Page2 2017Ar-41releaseESE100.0SE100.0SSE100.0S100.0SSW100.0SW100.0WSW100.0W100.0WNW100.0NW100.0NNW100.0COMPLY:V1.7.WINDROSEDATA)FILE:2016windrosedata2m.datSourceofwindrosedata:2016WindrosedataDatesofcoverage:1954-1994Windroselocation:Narragansett)RIDistancetofacility:155mPercentcalm:0.05WindSpeedFROMFrequency(meters/s)-------------------N0.0622.00NNE0.0582.00NE0.0442.00ENE0.0132.00E0.0122.00ESE0.0132.00SE0.0582.00SSE0.0492.00S0.0582.00SSW0.0842.00SW0.1052.00WSW0.0642.00W0.0682.00WNW0.0952.00NW0.1042.00NNW0.0682.00DistancefromtheSOURCEtotheFARMproducingVEGETABLESis100meters.Page37/12/20179:40 2017Ar-41releaseDistancefromtheSOURCEtotheFARMproducingMILKis100meters.DistancefromtheSOURCEtotheFARMproducingMEATis100meters.NOTES:Thereceptorexposedtothehighestconcentrationislocated100.metersfromthesourceintheNEsector.HegetshisVEGETABLESfromafarmlocated100.metersfromthesourceintheNEsector.HegetshisMEATfromafarmlocated100.metersfromthesourceintheNEsector.HegetshisMILKfromafarmlocated100.metersfromthesourceintheNEsector.Inputparametersoutsidethe"normal"range:COMPLY:Vl.7.WindrosewindfrequencyisunusuallyLOW.RESULTS:7/12/20179:40Effectivedoseequivalent:***Complyatlevel4.ThisfacilityisinCOMPLIANCE.3.0mrem/yr.ItmayormaynotbeEXEMPTfromreportingtotheEPA.YoumaycontactyourregionalEPAofficeformoreinformation.**********ENDOFCOMPLIANCEREPORT**********Page4