ML17334B401

DC Cook Units 1 & 2 Annual Environ Operating Rept 1990. W/ 910430 Ltr

ML17334B401
Person / Time
Site:	Cook
Issue date:	12/31/1990
From:	FITZPATRICK E INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	MURLEY T E NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
AEP:NRC:0806K, AEP:NRC:806K, NUDOCS 9105030255
Download: ML17334B401 (223)

Text

ACCELERATEDDISTRIBUTIONDEMONSTRATIONSYSTEMREGULATORYINFORMATIONDISTRIBUTIONSYSTEM(RIDS)DOCKET0500031505000316ACCESSIONNBR:9105030255DOC.DATE:90/12/31NOTARIZED:NOFACIL:50-315DonaldC.CookNuclearPowerPlant,Unit1,Indiana&50-316,DonaldC.CookNuclearPowerPlant,Unit2,Indiana6AUTH.NAME'UTHORAFFILIATIONFITZPATRICK,E.IndianaMichiganPowerCo.(formerlyIndiana6MichiganEleRECIP.NAME"RECIPIENTAFFILIATIONp'I6~.I

SUBJECT:

"AnnualEnvironOperaingReptfor1990W/910430tr.DISTRIBUTIONCODE:IE25DCOPIESRECEIVED:LTRJESIZE:TITLE:EnvironmentalMonitoringRept(perTechSpecs)NOTESDRECIPIENTIDCODE/NAMEPD3-1LACOLBURN,T.INTERNAL:AEODJ3STPABRHIiLRGN3FILE02EXTERNALEGGGSIMPSONFFCOPIESLTTRENCL331111111122RECIPIENTIDCODE/NAMEPD3-1PDNRR/DREP/PRPB11RGN3DRSS/RPBNRCPDRCOPIESLTTRENCL112211DDDNOTETOALL"RIDS"RECIPIENTS:DDPLEASEHELPUSTOREDUCEWASTE!CONTACTTHEDOCUMENTCONTROLDESK,ROOMPl-37(EXT.20079)TOELIMINATEYOURNAMEFROMDISTRIBUTIONLISISFORDOCUMENTSYOUDON'TNEED!TOTALNUMBEROFCOPIESREQUIRED:LTTR14ENCL14 Cl IndianaMichiganPowerCompany~P.O.Box16631~Columbus,OH43216AEP:NRC:0806KDonaldC.CookNuclearPlantUnits1and2DocketNos.50-315and50-316LicenseNos.DPR-58andDPR-74ANNUALENVIRONMENTALOPERATINGREPORT-1990U.S.NuclearRegulatoryCommissionAttn:DocumentControlDeskWashington,D.C.20555ATTN:Dr.T.E.MurleyApril30,l991

DearDr.Murley:

PleasefindattachedtothislettertheAnnualEnvironmentalOperatingReportfortheDonaldC.CookNuclearPlantfortheyear1990.ThisreportwaspreparedinaccordancewithAppendixA,Section6.9.1.6andAppendixB,PartII,Section5.4.1oftheDonaldC.CookNuclearPlantTechnicalSpecification.ThisdocumenthasbeenpreparedfollowingCorporateProceduresthatincorporateareasonablesetofcontrolstoensureitsaccuracyandcompletenesspriortosignaturebytheundersigned.Verytrulyyours,PE.E.FitzpaicVicePresidentedgAttachmentcc:D.H.WilliamsA.A.Blind-BridgmanNFEMSectionChiefJ.R.PadgettG.CharnoffA.B.Davis,RegionIIINRCResidentInspector-Bridgman9105030255901231!PDRADOCK05000315RPDRAr nnuanvironmentaeraineortJanuary1,ThroughDecember31,1990indiana&MichiganElectricCompanyBridgman,MichiganDocketNos.50-315&50-316LicenseNos.DPR-58&DPR-74,gyp5030~>5

TABLEOFCOENTS~PaeI.IntroductionII.ChangestotheEnvironmentalTechnicalSpecificationsIII.Non-RadiologicalEnvironmentalOperatingReportA.lA.2A.3A.4A.5B.PlantDesignandOperationNPDESPermitandStateCertificationReportingEnvironmentalProtectionPlanPotentiallySignificantUnreviewedEnvironmentalIssuesNPDESPermitEnvironmentalMonitoring-HerbicideApplicationsMacrofoulerMonitoringandTreatment~~IV.SolidRadioactiveWasteTreatment,System2V.RadiologicalEnvironmentalMonitoringProgram(REMP)2A.lA.2B.ChangestotheREMPRadiologicalImpactofDonaldC.CookNuclearPlantOperationsLandUseCensusandWellReportVI.Conclusion

~gen~di~LIST0PPENDICESQt~eIVNPDESNon-RoutineReport-1990NPDESPermits-1990HerbicideApplicationReport-1990MacrofoulerMonitoringProgram-19901990AnnualReport:RadiologicalEnvironmentalMonitoringProgramRadiologicalEnvironmentalMonitoringProgramSummary-1990.DDataTablesAnalyticalProceduresSynopsisSummaryofEPAInterlaboratoryComparisonsREMPSamplingandAnalyticalExceptionsLandUseSurveysSummaryofthePreoperationalRadiologicalMonitoringProgram.HSummaryoftheBlindDuplicateSampleProgramSummaryofth'eSpikeandBlankSampleProgramTLDQualityControlProgram I.INTRODUCTIONTechnicalSpecificationSection6.9.1.6andAppendixB,PartII,Section5.4.1requirethatanannualreportbesubmittedtotheNuclearRegulatoryCommissionwhichdetailstheresultsandfindingsofongoingenvironmentalradiologicalandnon-radiologicalsurveillanceprograms.ThisreportservestofulfilltheserequirementsandrepresentstheAnnualEnvironmentalOperatingReportforUnits1and2oftheDonaldC.CookNuclearPlantfortheoperatingperiodfromJanuary1,1990throughDecember31,1990.During1990,basedonthemonthlyoperatingreportsforUnit1andUnit2,theannualgrosselectricalgeneration,averageunitservicefactorsandcapacityfactorswere:ParameterUnit1Unit2GrossElectricalGeneration(MwH)UnitServiceFactor(8)UnitCapacityFactor-MDC*Net(8)6,559,00079.270.54,990,73055.451.8*MaximumDependableCapacityII.CHANGESTOTHEENVIRONMENTALTECHNICALSPECIFICATIONSTherewerenoTechnicalSpecificationchangesin1990.III.NON-RADIOLOGICALENVIRONMEALOPERATINGREPORTA.lPlantDesignandOperationDuring1990nononcompliancewiththeEnvironmentalProtectionPlanoccurred,norwerethereanychangesinstationdesign,operations,testsorexperimentswhichinvolvedapotentiallysignificantunreviewedenvironmentalissue.Noconstructionactivitiesduringthereportingperiodoccurredwhichrequiredanenvironmentalassessmentoftheactivity.A.2NotificationsRelatedtotheNPDESandStateCertificationsNotificationsmadetotheMichiganDepartmentofNaturalResourcesregardingtheNPDESPermitarelistedunderNonroutineReportsinAppendixI.A.3EnvironmentalProtectionPlanTherewerenoEnvironmentalProtectionPlannoncompliancesin1990.

A.4PotentiallySignificantUnreviewedEnvironmentalIssuesTherewerenochangesinstationdesign,operations,testsorexperimentswhichinvolvedapotentiallysignificantunreviewedenvironmentalissue.Noconstructionactivitiesduringthereportingperiodoccurredwhichrequiredanenvironmentalassessmentoftheactivity.A.5NPDESPermitAnewpermitwasissuedonSeptember20,1990.AlsoincludedarelettersfromtheMichiganDepartmentofNaturalResourcesauthorizingtheuseofClam-trolforZebraMusselcontrol,aswellasauthorizationtocontinuouslydischargechlorine.ThesedocumentsareinAppendixII.B.EnvironmentalMonitoring-HerbicideApplicationTechnicalSpecificationsAppendixB,Subsection5.4.1,statesthattheAnnualEnvironmentalOperatingReportshallinclude:summariesandanalysesoftheresultsoftheenvironmentalprotectionactivitiesrequiredbySubsection4.2ofthisEnvironmentalProtectionPlanforthereportperiod,includingacomparisonwithpreoperationalstudies,operationalcontrols(asappropriate),andpreviousnonradiologicalenvironmentalmonitoringreports,andanassessmentoftheobservedimpactsoftheplantoperationontheenvironment.HerbicideapplicationsaretheonlyactivitytobemonitoredperSubsection4.2,andtheapplicationsarediscussedinAppendixIII.Therewerenopreoperationalherbicidestudiestowhichcomparisonscouldbemade.Herbicideapplicationsarecontrolledbyplantprocedure12THP6020.ENV.104.Theobservedimpactsarealsodiscusse'dinAppendixIII.C.MacrofoulerMonitoringandTreatmentMacrofoulerstudiesandactivitiesduring1990,arediscussedinAppendixIV.IV.SOLIDRADIOCIVEWASTETRMESYSEMTherewerenochangesintheSolidRadioactiveWasteTreatmentSystemin1990.V.DIOLOGICALENVIRONMENTALMONITORINGPROGRAMREMPTheRadiologicalEnvironmentalMonitoringProgramisdesignedtoservethefollowingpurposes(AppendixV):

l.EstablishbaselineradiationlevelsintheenvironmentpriortothePlant'soperation.2.Monitorpotentialcriticalpathwaysofradioactiveeffluenttoman.3.DetermineradiologicalimpactonthetotalenvironmentcausedbytheoperationoftheDonaldC.CookNuclearPlant.A.l,ChangestotheREMPThesecondquarterOFS-6Thermoluminescentdosimetry(TLD)samplestationwaslocatedonpowerpole¹B426-70.WhilecollectingTLD'sforthesecondquarter,itwasfoundthattheentirepolehadbeenremoved.TheTLDsamplestationwasrelocatedtopole¹B426-1,4/10ofamileeastofHoldenRoadonSnowRoad.A.2RadiologicalImpactofDonaldC.CookNuclearPlantOperationsThisreportsummarizesthecollectionandanalysisofvariousenvironmentalsamplemediain1990fortheRadiologicalEnvironmentalMonitoringProgramfortheDonaldC.CookNuclearPlant.Thevariousanalysesofmostsamplemediasuggestthattherewasnodiscernableimpactofthenuclearplantontheenvironment.Theanalysisofairparticulatefilters,charcoalcartridges,directradiationbythermoluminescentdosimeters,fish,water,milkandsedimentsfromLakeMichigan,drinkingwater,andfoodproducts,eitherdidnotdetectanyradioactivityormeasuredonlynaturallyoccurringradionuclidesatnormalbackgroundlevels.Tritium,measuredatlowlevelsinon-sitewells,appearstobetheonlyradionuclideattributabletotheplantoperations.However,theassociatedgroundwaterdoesnotprovideadirectdosepathwaytoman.B.LandUseCensusandWellReportTheLandUseCensusisperformedtoensurethatsignificantchangesintheareasintheimmediatevicinityoftheplantsiteareidentified.AnyidentifiedchangesareevaluatedtodeterminewhethermodificationmustbemadetotheREMPorotherrelatedprograms.Nosuchchangeswereidentifiedduringthe1990LandUseCensus.Aresidentialwellsurveywasperformedin1990tomonitorthegroundwateraquifernorthandsouthoftheCookNuclearPlantforradionuclidesandtoidentifywellsinthe I-vicinityoftheplantusedtosupplywaterforhumanconsumption.Communitiestotheeastoftheplantwerenotinvolvedinthewellcensusduetothefactthattheyarelocatedgreaterthanamilefromtheplantcenterandareupstreamoftheprevailingeasttowestgroundwaterflow.VI.CONCLUSIONBasedupontheresultsoftheradiologicalenvironmentalmonitoringprogramandtheradioactiveeffluentreleasereportsforthe1990reportingyear,itcanbeconcludedthattherewerenoadverseaffectstotheenvironmentortothegeneralpublicduetotheoperationoftheDonaldC.CookNuclearPlant.

APPENDIXINPDESNON-ROUTINEREPORT1990

NON-ROUTINEREPORTSE47RN>DATEDESCRIPTION.Tanuary31,1990Sixtv-threefloordrainsandthirteenequipmentdrainspreviouslybelievedtoberoutedtotheTurbineRoomSump(Outfall00D)weredeterminedtoberoutedtothenorthstormdrainoutfall(OutfallSOl).October15,1990October30,1990Clam-Trol(aproprietarymolluscicide)wasreleasedtoLakeMichiganindetectableconcentrationsduringtreatmentofvariousCookPlantwatersystemsforzebramussels.Fiveunmonitored(forpH)dischargesfromtheTurbineRoomSumptotheAbsorptionPondoccurredbetween0000and0345hoursduetoalossofflowtotheTRSsamplelinecausedbyblockagedownstream.

APPENDIXIINPDESPERMITS1990

NATURALRESOURCESCOMMISSIONTHOMASJ,ANDERSONMARLENEJ,FLUHARTYGo.GUYERKMERE.MATTSON0,TMYERSRAYDPOUPORESTATEOF,MICHIGANJAMESJ.8LANCHARD.GovernorDEPARTMENTOFNATURALRESOURCESSTEVENST.MASONBUILDINGP.o<BOX30029LANSING.Ml98909DAVIDF.HALES.&reaor@~m<fg<Qocy25'890~~IRONI,>ENTAI-PAIRSOctober23,1990CERTIFIEDMAILIndianaMichiganPowerCompanyP.O.Box60FortWayne,Indiana46801Gentlemen:

SUBJECT:

NPDESPermitNo.MI0005827CookPlant,Bridgman,MichiganYourNationalPollutantDischargeEliminationSystem(NPDES)Permithasbeenprocessedinaccordancewithappropriatestateandfederalregulations.Itcontainstherequirementsnecessaryforyoutocomplywithstateandfederalwaterpollutioncontrollaws.REVIEWTHEPERMITEFFLUENTLIMITSANDCOMPLIANCESCHEDULESCAREFULLY.Thesearesub)ecttothecriminalandcivilenforcementprovisionsofbothstateandfederallaw.PermitviolationsareauditedbytheMichiganDepartmentofNaturalResourcesandtheUnitedStatesEnvironmentalProtectionAgencyandmayappearin.apublishedquarterlynoncompliancereportmadeavailabletoagenciesandthepublic.Yourmonitoringandreportingresponsibilitiesmustbecompliedwithinaccordancewiththispermit.Ifapplicable,DischargeMonitoringReportformswillbetransmittedtoyouinthenearfuture.Thesereportsare'tobesubmittedmonthlyorotherwiseasrequiredbyyourNPDESpermit.Anyreports,notifications,orquestionsregardingtheattachedpermitorNPDESprogramshouldbedirectedtothefollowingaddress:FredMorley,DistrictSupervisor621NorthTenthStreetP.O.Box355Plainwell,Michigan49080Telephone:(616)685-9886I026I99wtaI~

IndianaMichiganPowerCompanyPage2October23,1990NOTE:AllreferenceswithinthispermitmadetotheWaterQualityDivisionorChiefoftheWaterQualityDivisionaretorefertotheSurfaceWaterQualityDivisionorChief.oftheSurfaceWaterQualityDivision,respectively.Sincerely,)~gh(IWilliamE.McCracken,P.E.Chief,PermitsSectionSurfaceWaterQualityDivision517-373-8088

Enclosure:

Permitcc:EPA-RegionV(2)208Agency-SouthwestMichiganRegionalPlanningCommissionPlanningandSpecialProgramsSection,SWQDMr.FredMorley-PlainwellDistrict,SWQD(2)Mr.PaulBlakeslee,RegionalSupervisor,RegionIII,SWQDComplianceandEnforcement,SWQDDataEntry,SWQDPointSourceStudies(GrandRapidsDistrictOffice),SWQDFiles PERMITNO.MI0005827MICHIGANWATERRESOURCESCOMMISSIONAUTHORIZATION'TODISCHARGEUNDERTHENATIONALPOLLUTANTDISCHARGEELIMINATIONSYSTEMncompliancewiththeprovisionsoftheFederalWaterPollutionControlAct,asamended,(33U.S.C.1251etseq;the"Act"),andtheMichiganWaterResourcesCommissionAct,asamended,(Act245,PublicActsof1929,asamended,the"MichiganAct"),IndianaMichiganPowerCompanyP.O.Box60FortWayne,Indiana46801isauthorizedtodischargefromafacilitylocatedat.OneCookPlaceBridgman,Michigan49106designatedasINMIPowerCo-CookPlttothereceivingwaternamedtheLakeMichiganinaccordancewitheffluentlimitations,monitoringrequirementsandotherconditionssetforthinthispermit.ThispermittakeseffectonJanuary1,1991.Anypersonwhofeelsaggrieved,bythispermitmayfileaswornpetitionwiththeExecutiveSecretaryoftheMichiganWaterResourcesCommission,settingforththeconditionsofthepermitwhicharebeingchallengedandspecifyingthegroundsforthechallenge.TheCommissionmayectanypetitionfiledmorethan60daysafterissuanceasbeinguntimely.Uponntingofa.contestedcasetotheapplicant,theCommissionshallreviewtheermittodeterminewhichcontestedtermshallbestayeduntiltheCommissiontakesitsfinalaction.Ifacontestedconditionisarequirementplacedonwastewatercoveredbyaneworincreaseddischargeauthorization,suchincreaseddischarge,authorizationshallbestayeduntiltheCommissiontakesfinalaction.Allotherconditionsofthepermitremaininfulleffect.IfthecontestedconditionisamodificationofapreviouspermitconditionandtheCommissiondeterminesthecontestedconditionshallbestayed,thensuchpreviousconditionremainsineffectuntiltheCommissiontakesfinalaction.Duringthecourseofanyadministrativeproceedingbroughtbyapersonotherthantheapplicant,theconditionsofthispermitwillremainineffect,unlesstheCommissiondeterminesotherwise.ThispermitandtheauthorizationtodischargeshallexpireatmidnightOctober1,1994.Inordertoreceiveauthorizationtodischargebeyondthedateofexpiration,thepermitteeshallsubmitsuchinformationandformsasarerequiredbytheMichiganWaterResourcesCommissiontothePermitsSectionoftheSurfaceWaterQualityDivisionnolaterthan'180dayspriortothedateofexpiration.ThispermitisbasedonanapplicationsubmittedonMarch6,1990.OnitseffectivedatethispermitshallsupersedeNPDESPermitNo.MI0005827,expiringAugust31,1990.Issuedthis20thdayofSetember,1990,bytheMichiganWaterResourcesCommission.aulD.ZuerExecutiveSecretary PERMITNO.MI0005827Page2of19PARTIA.EFFLUENTLIMITATIONSANDMONITORINGREQUIREMENTSFinalEffluentLimitations,Outfalls001and002(condensercoolingwaterandlowvolumewastes)Duringtheperiodbeginningontheeffectivedateofthispermitandlastinguntilthedateofexpiration,thepermitteeisauthorizedtodischargeonebillionfourhundredseventeenmillion(1,417,000,000)gallonsperday*ofnoncontactcoolingwaterandmiscellaneouslowvolumewastewaterfrom.outfal'01toLakeMichigan;andonebillioneighthundredninetymil'on(1,890,000,000)gallonsperday*ofnoncontactcoolingwaterandmiscellaneouslowvolumewastewaterfromoutfall002toLakeMichigan.Suchdischargesshallbelimitedandmonitoredbythepermitteeasspecifiedbelow:EffluentCharacteristicDischareLimitations1bsdavOtherLimitationsMonthlyDailyMonthlyDaily~aveeaemaximum~aveeaeAax'imamMonitorinRequirementsMeasurementSampleFlow(MGD)(report)(report)DailyReportTotaDailyPlowTemperature('F)IntakeDischargeHeatAddition(BTU/Hr)(report)Daily(report)Daily15.5x10Daily9ReadReaCalculationTotalResidualChlorine(TRC)**ContinuousUseIntermittentUse0.036mg/15xWeeklyGrab0.2mg/1SxWeeklyGrabTRCDischargeTime(report)5xWeeklyReportDisc'imeOutfallObservationDailyVisualDailyMinimumDailyMaximumpH(StandardUnits)6.59.0WeeklyGrab*Theflowisnottobeconsideredasalimitationoneitherthequantityorrateovertimeofdischarge.

PERMITNO.MI0005827Page3of19PARTItionA.l.(continued)~~**ThedailymaximumvalueforTRCshallbereportedastheaverageofaminimumofth'reegrabsamplestakenduringthethetimeofchlorination.Thesamplesmust.beequallyspacedandnosinglesamplemayexceed0.3mg/1.TRCmonitoringisonlyrequiredduringperiodsofchlorination.Thetermcontinuoususeshallmeantheapplicationofchlorinegreaterthan160minutesperday.Thetermintermittentuseshallmeantheapplicationofchlorine160minutesperdayorless.ThepermitteeshallenterazeroontheDischargeMonitoringReportfortheTRCmodenotbeingused.Thepermitteeisauthorizedtosubstitutebromineforchlorineasabiocide.Ifbromineisusedinlieuofchlorine,thesameeffluentlimitationsandmonitoringrequirementsspecifiedforchlorinewillalsobeapplicableforbromine.Thepermitteeshallusetheamperometrictitrationmethodtodeterminethetotalresidualoxidant.Priortotheuseofanyproductcontainingbromine,thepermitteeshallnotifythePlainwellDistrictSupervisoroftheSurfaceWaterQualityDivisionoftheproducttobeused,andtheintendedscheduleofapplication.ThepermitteeshallnotifytheDistrictSupervisorofanychangestotheapplicationschedule.ThepermitteemayusedechlorinationtechniquestoachievetheapplicablelimitationsusingsodiumsulfiteorotherdechlorinationagentsasapprovedbytheChiefoftheSurfaceWaterQualityDivisionasdechlorinationagents.Thequantityofreagentusedshallbethestoichiometricamountneededfordechlorinationofappliedchlorine.Thepermitteeshallreportmonthlythequantityofeachdechlorinationreagentusedperday.a.Thereceivingstreamshallcontainnounnaturalturbidity,color,oilfilm>floatingsolids,foams,settleablesolids,ordepositsasaresultofthisdischarge.b.Samples,measurements,andobservationstakenincompliancewiththemonitor'ngrequirementsaboveshallbetakenpriortodischargetoLakeMichigan.c.Anyunusualcharacteristicsofthedischarge(i.e.,unnaturalturbidity,color,oilfilm,floatingsolids,foams,settleablesolids,ordeposits)shallbereportedimmediatelyto.thePlainwellDistrictSupervisoroftheSurfaceWaterQualityDivisionfollowedwithawrittenreportwithin5daysdetailingthefindingsoftheinvestigationandthestepstakentocorrectthecondition.d.IntheeventthepermitteeshallrequirethedischargeofwatertreatmentadditivesinadditiontoanypreviouslyapprovedbythePlainwellDistrictSupervisoroftheSurfaceWaterQualityDivision,thepermitteeshallnotifythePlainwellDistrictSupervisor.WrittenapprovalfromthePlainwellDistrictSupervisortodischargesuchadditivesatspecifiedlevelsshallbeobtainedpriortodischargebythepermittee.ThepermitwillbemodifiedinaccordancewiththerequirementsofPartII.B.4.ifaconstituentoftheadditiveoradditivesrequireslimiting.e.Thetermnoncontactcoolingwatershallmeanwaterusedforcoolingwhichdoesnotcomeintodirectcontactwithanyrawmaterial,intermediateproduct,-product,wasteproduct,orfinishedproduct.

PERMITNO.MI0005827Page4of19PARTISectionA.FinalEffluentLimitationsOutfallsOOAandOOB(steamgeneratorblowdown)Duringtheperiodbeginningontheeffectivedateofthispermitandlastinguntilthedateofexpiration,thepermitteeisauthorizedtodischargesevenhundredtwelvethousand(712,000)gallonsperday*oflowvolumewastewaterconsistingofsteamgeneratorblowdownfromoutfallOOAthroughoutfalls001and002toLakeMichigan;andsevenhundredthirtyseventhousand(73'7,000)gallonsperdayoflowvolumewastewaterconsistingofsteamgeneratorblowdown.romoutfallOOBthroughoutfalls001and002toLakeMichigan.Suchdischargesshallbelimitedandmonitoredbythepermitteeasspecifiedbelow:EffluentCharacteristicDischareLimitationslbs/davOtherLimitationsMonthlyDailvMonthlyDailyA~vevaeNaximumaveraae'MaximumMeasurementFreauencvSample~~veMonitorinReuirementsFlow(MGD)TotalSuspendedSolids(report)(report)30mg/1100mg/1DailyPerOccurrenceWeeklyPerOccurrenceReportTotalDailyFlowGrab*Theflowisnottobeconsideredasalimitationoneitherthequantityorrateovertimeofdischarge.a.Samples,measurements,andobservationstakenincompliancewiththemonitoringrequirementsaboveshallbetakenatoutfallsOOAandOOBpriortodischargetooutfall001or002.

PERMZTNO.it10005827Page5of19PARTItionA.3.FinalEffluentLimitations,OutfallOOC(heatingboilerblowdown)Duringtheperiodbeginningontheeffectivedateofthispermitandlastinguntilthedateofexpiration,thepermitteeisauthorizedtodischargenineteenthousand(19,000)gallonsperday*oflowvolumewastewaterconsistingofheatingboilerblowdownfromoutfallOOCthroughoutfalls001and002toLakeMi.chigan.Suchdischargeshallbelimitedandmonitoredbythepermitteeasspecifiedbelow:EffluentCharacteristicDischareLimitationslbs/davOtherLimitationsMonthlyDailyMonthlyDaily~Averae.,Maximum~AveraeMaximumAeasurementFreouencSampleTWleAonitorinReuirementsFlow(NGD)(report)(report)DailyPerOccurrenceReportTotalDailyFlowTotalSuspendedSolids30mg/1100mg/1DailyPerOccurrence**GrabTheflowisnotconsideredasalimitationoneitherthequantityorrateoverimeofdischarge.**TotalSuspendedSolidsaretobemonitored.onceperoccurrenceorweeklyiftheheatingboilerisoperatedcontinuouslyforperiodsgreaterthanoneweek.a.Samples,measurements,andobservationstakenincompliancewiththemonitoringrequirementsaboveshallbetakenatoutfallOOCpriortodischargetooutfall001or002.

PERMITNO.MI0005827Page6of19SectionA.PARTI4.FinalEffluentLimitations,OutfallOOF(prefilterbackwash)Duringtheperiodbeginningonthedateofissuanceandlastinguntilthedateofexpiration,thepermitteeisauthorizedtodischargefivehundredeightythreethousand(583,000)gallonsper"day*oflowvolumewastewaterconsistingofprefilterbackwashfromoutfallOOFthroughoutfalls001and002toLakeMichigan.Suchdischargeshallbelimitedandmonitoredbythepermitteeasspecifiedbelow:EffluentCharacteristicDischareLimitations1bs/davOtherLimitationsMonthlyDailyMonthlyDai'~AvexaeMaximum~AveeaeMaximumMonitorinRequirementsMeasurementSampleFlow(MGD)(report)(report)DailyPerReportTotalOccurrenceDai'F'owTotalSuspendedSolids30mg/1100mg/1DailyPerGrabOccurrenceOilandGrease15mg/120mg/12xMonthlyGrab*Theflowisnottobeconsideredasalimitationoneitherthequantityorrateovertimeofdischarge.a.Samples,measurements,andobservationstakenincompliancewiththemonitoringrequirementsaboveshallbetakenpriortodischargetooutfall001or002.

PERMITNO.MI0005827Page7of19PARTItionA.5.FinalEffluentLimitations,Outfalls001S,002S,003Sand004S(stormwaterrunoff)Duringtheperiodbeginningontheeffectivedateofthispermitandlastinguntilthedateofexpiration,thepermitteeisauthorizedtodischargeanunspecifiedamountofstormwaterrunofffromoutfalls001S,002S,003S,and'04StoLakeMichigan.Suchdischargesshallbelimitedandmonitoredbythepermitteeasspecifiedbelow:EffluentCharacteristicDischareLimitationslbs/davOtherLimitationsMonthlyDailyMonthlyDaily~Averae,Maximum~AveveeMaximumNonitorinRequirementsNeasurementSampleRetainedSelf-MonitorinReuirements(SeePartI.S.2.b.)OutfallObservationDurinDischargeNonthly*VisualTotalCopper**(report)QuarterlyGrabTotalZinc**(report)QuarterlyGrabNonitoringisnotrequiredatthistimeforoutfalls003Sand004Sduetotheinaccessabilityoftheoutfalls.**Monitoringfortotalcopperandtotalzincshallbeconductedonaquarterlybasisforoutfall001S.TheresultsofsuchmonitoringshallbesubmittedtotheChiefoftheSurfaceWaterQualityDivisiononorbeforeMarch1ofeachyear.a.Thereceivingstreamshallcontainnounnaturalturbidity,color,oilfilm,floatingsolids,foams,settleablesolids,ordepositsasaresultoithisdischarge.b.Samples,measurements,andobservationstakenincompliancewiththemonitoringrequirementsaboveshallbetakenpriortodischargetoLakeNichigan.

PERMITNO.MI0005827Page8of19SectionA.PARTI6.SecialCondition-DeicingDischargeAuthorizationThepermitteeisauthorizedtodischargeaportionoftheflowfromoutfall001oroutfall002throughintakestructureoutfall003toprevent.icebuildup.Thepermitteeisnotrequiredtoprovideanyadditionalmonitoringofthisdischargebecausetheeffluentlimitationsandmonitoringrequirementsspecifiedforoutfalls001and002willdeterminecompliancewithapplicable~aterqualitystandar'ds.7.SecialCondition-ShortTermWasteCharacterizationStudyAsaconditionofthispermit,thepermitteeshallmonitorthedischargefromoutfalls001and002fortheconstituents,atthefrequency,andforthedurationspecifiedbelow.Thismonitoringisdesignedtodeterminewhethertheseconstituentsaredischargedinsignificantquantities.TheresultsoftheanalysisofsuchmonitoringshallbesubmittedtothePlai..wellDistrictSupervisoroftheSurfaceWaterQualityDivisioninaccordancewithPartI.C.2.,ScheduleofCompliance.If,uponreviewoftheanalysis,itis'determinedthatanyofthematerialsorconstituentsrequirelimitingtoprotectthereceivingwatersinaccordancewithapplicablewaterqualitystandards,thepermitmaythenbemodifiedafterpublicnoticeandCommissionapprovaloftherecommendedpermitmodificationinaccordancewithPartII.B.4.CONSTITUENTSAMPLESAMPLEDESIREDSAPLETYPE:REQUENCYDURATIONDETECTIONLEVELHexavalentChromiumGrabWeekly.SixWeeks5ug/18.SecialCondition-PCBProhibitionEffectiveuponthedateofissuanceofthispermit,thepermitteeshallnotdischargeanypolychlorinatedbiphenylstothereceivingwatersoftheStateofMichiganasaresultofplantoperationsotherthanduetothepresenceofsuchcompoundsintheintakewater.9.SecialCondition-IntakeScreenBackwashDuringtheperiodbeginningontheeffectivedateofthispermitandlastinguntiltheexpirationdateofthispermit,thepermitteeisauthorizedtodischargeintakescreenbackwashtoLakeMichigan.Thepermitteeshallcollectandremovedebrisaccumulatedonintaketrashbarsanddisposeofsuchmaterialonlandinanappropriatemanner.

PERMITNO.MI0005827Page9of19PARTItionA.10.SecialCondition-ReopenerClause'Zhispermitmaybemodifiedor,alternatively,revokedandreissuedtocomplywithanyapplicablestandard(s)orlimitation(s)promulgatedunderSection301(b)(2)(c)(d),304(b)(2)and307(a)(2)oftheAct,iftheeffluentstandard(s)orlimitation(s)sopromulgated:a.is(are)eitherdifferentinconditionormorestringentthananyeffluentlimitationinthepermit;orb.control(s)anypollutantnotlimitedinthepermit.11.SecialCondition-NotificationRequirementThepermitteeshallnotifythePlainwellDistrictSupervisoroftheSurfaceWaterQualityDivision,inwriting,within10daysofknowing,orhavingreasontobelieve,thatanyactivityorchangehasoccurredorwilloccurwhichwouldresultinthedischargeof:a.Detectablelevels*ofchemicalsonthecurrentMichiganCriticalMaterialsRegisterorprioritypollutantsorhazardoussubstancessetforthin40CFR122.21,AppendixD,whichwerenotacknowledgedintheapplication**orlistedintheapplicationatlessthandetectablelevels.b.Detectablelevels*ofanyotherchemicalnotlistedintheapplicationorlistedatlessthandetection,forwhichtheapplicationspecificallyrequestedinformation.c.Anychemicalatlevelsgreaterthanfivetimestheaveragelevelreportedintheapplication**.Anyothermonitoringresultsobtainedasarequirementofthispermitshallbereportedinaccordancewiththescheduleofcompliance.*ThedetectablelevelshallbedefinedastheMethod'DetectionLimit(MDL)asgiveninAppendixBtoPart136,FederalRegister,Vol.49,No.209,October26,1984,pp.43430-31.**TheapplicationsubmittedonMarch6,1990.

PERMITNO.MI0005827Page10of19PARTISectionA.12.DischaretotheGroundwatersThissiteisaknownsourceofgroundwaterpollution.Thereissuanceofthispermitdoesnotauthorizeventingofcontaminatedgroundwaters,tothesurfacewaters,nordoesitconstituteareleaseofliabilityforanygroundwatercontaminationatoraroundthesite.TheStatereservesitsrightstoseekremediestoabateanygroundwatercontamination.13.SecialCondition-TemperatureModificationTheMichiganWaterResourcesCommissionisconsideringthenecessityofincorporatingtemperaturelimitationsinthispermittoassurethattherequirementsofRule82(1)oftheMichiganWaterQualityStandardsaremet.Therefore,whenconsiderationofthisissuehasbeencompleted,theCommissionmaymodifythispermitinaccordancewithPartII.B.4.toaddappropriatetemperature1'mitationsorrequirements.

PERMITNO.MI0005827Page11of19PARTIMONITORINGANDREPORTING1.RepresentativeSamplingSamplesandmeasurementstakenasrequiredhereinshallberepresentativeofthevolumeandnatureofthemonitoreddischarge.2.Reortin:Pg4a.DMRSubmittalReuirements-ThepermitteeshallsubmitDischargeMonitoringReport(DMR)formstotheMichiganDepartmentofNaturalResources,SurfaceWaterQualityDivision,DataEntryUnit,P.O.Box30028,Lansing,Michigan,48909,foreachcalendarmonthoftheauthorizeddischargeperiod(s).TheDMRsshallbepostmarkednolaterthanthe10thdayofthemonthfollowingeachmonthoftheauthorizeddischargeperiod(s).Ib.RetainedSelf-MonitorinReuirements(outfalls001S.002S,003S,6004S),Thepermitteeshallmaintainayear-to-datelogofretainedself-monitoringresultsandprovidesuchlogforinspectiontothestaffoftheSurfaceWaterQualityDivision,MichiganDepartmentofNaturalResourcesuponrequest.Retainedself-monitoringresultsarepublicinformationandshallbepromptlyprovided'tothepublicuponrequest.P.Thepermitte'eshallcertify,inwriting,tothePlainwellDistrictSupervisoroftheSurfaceWaterQualityDivision,DepartmentofNaturalResourcesinaccordancewiththeScheduleofCompliance,PartI.C.3.,that;(2)(3)allretainedself-monitoringrequirementshavebeencompliedwithandayear-to-dateloghasbeenmaintained,theflowrate(s)(ifpartofretainedself-monitoringresults)fromalloutfallshavebeensubstantiallythesameastheflowrate(s)authorizedbythispermit,orif'heflowrate(s)(ifpartofretainedself-monitor'ngresults)is(are)substantiallydifferentfromtheflowrate(s)authorizedbythispermitandthepermitteeshallprovidereaso'nsforthedifferenceinflowrates.If,foranyreason,the'permitteedoesnotcomplywithor'willbeunabletocomplywithanyrequirementsspecifiedinPartI.A.ofthispermit,thepermitteeshallprovidethePlainwellDistrictSupervisoroftheSurfaceWaterQualityDivisionwiththefollowinginformation,inwriting,withinfive(5)daysofbecomingawareofsuchnoncompliance:(1)Adescriptionofthedischargeandcauseofnoncompliance;and(2)Theperiodofnoncompliance.includingexactdatesandtimes;or,ifnotcorrected,theanticipatedtimethenoncomplianceisexpectedtocontinue,andthestepstakentoreduce,eliminateandpreventrecurrenceofthenoncomplyingdischarge.

PERMITNO.MI0005827Page12of19SectionB.3.DefinitionsPARTIa.Themonthlyaveragedischargeisdefinedasthetotaldischargebyweight,orconcentrationifspecified,duringthereportingmonthdividedbythenumberofdaysinthereportingmonththat,thedischargefromtheproductionorcommercialfacilityoccurred.Ifthepollutantconcentrationinanysampleislessthanthedetectionlimit,regardthatvalueaszerowhencalculatingmonthlyaverageconcentration.Whenlessthandailysampling.occurs,themonthlyaveragedischargeshallbedeterminedbythe'summationofthemeasureddailydischargesbyweight,orconcentrationifspecified,dividedbythenumberofdaysduringthereportingmonthwhenthesampleswerecollected,analyzedandreported.b.Thedailymaximumdischargemeansthetotaldischargebyweight,orconcentrationifspecified,duringanycalendarday.c.TheRegionalAdministratorisdefinedastheRegionVAdministrator,U.S.EPA,locatedat230South

Dearborn,

13thFloor,Chicago,Illinois,60604.d.TheExecutiveSecretaryoftheMichiganWaterResourcesCommissionislocatedintheKNAPP'SOFFICECENTRE.ThemailingaddressisP.O.Box30028,Lansing,Michigan,48909.'.TheChiefoftheSurfaceWaterQualityDivision'smailingaddressisP.O.Box30028,Lansing,Michigan,48909.4.TestProceduresTestproceduresfortheanalysis-ofpollutantsshallconformtoregulationspublishedpursuanttoSection304(h)oftheAct,underwhichsuchproceduresmayberequired.5.RecordingResultsForeachmeasurementorsampletakenpursuanttotherequirementsofthispermit,thepermitteeshallrecordthefollowinginformation:a.Theexactplace,date,andtimeofmeasurementorsampling;b.Theperson(s)whoperformedthemeasurementorsamplecollection;c.Thedatestheanalyseswereperformed;d.Theperson(s)whoperformedtheanalyses;e.Theanalyticaltechniquesormethodsused;f.Thedateofandpersonresponsibleforequipmentcalibration;andg.Theresultsofallrequiredanalyses.

PERMITNO.MI0005827Page13of19PARTIctionB.6.AdditionalMonitoringbyPermitteeIfthepermitteemonitorsanypollutant'tthelocation(s)designatedhereinmorefrequentlythanrequiredbythispermit,usingapprovedanalyticalmethodsasspecifiedabove,theresultsofsuchmonitoringshallbeincludedinthecalculationandreportingofthevaluesrequiredintheDischargeMonitoringReport.Suchincreasedfrequencyshallalsobeindicated.7.RecordsRetentionAllrecordsandinformationresultingfromthemonitoringactivitiesrequiredbythispermitincludingallrecordsofanalysesperformedandcalibrationandmaintenanceofinstrumentationandrecordingsfromcontinuousmonitoringinstrumentationshallberetainedforaminimumofthree(3)years,orlongerifrequestedbytheRegionalAdministratorortheMichiganWaterResourcesCommission..

PERMITNO.MI0005827Page14of19PARTIC.SCHEDULEOFCOMPLIANCE1.Thepermitteeshallcontinuetooperatetheinstalledfacilitiestoachievetheeffluentlimitationsspecifiedforoutfall(s)001,002and003.2.ThepermitteeshallachievecompliancewiththeShortTermWasteCharacterizationStudyrequirementsspecifiedinPartI.A.7epinaccordancewiththefollowingschedule.AllsubmittalsshallbetothePlainwellDistrictSupervisoroftheSurfaceWaterQualityDivision.a.OnorbeforeFebruar1,1991,thepermitteeshallimplementthestudy.monitoringasrequired.c.OnorbeforeJune1,1991,thepermitteeshallsubmittheanalyticalresultsofsuchmonitoring.3.OnorbeforeJanua10thofeachear,duringtheeffectivenessofthispermit,thepermitteeshallsubmittheretainedself-monitoringwrittencertificationasrequiredintheMonitoringandReportingSection,PartI.B.2.ThecertificationshallbesubmittedtothePlainwellDistrictSupervisoroftheSurfaceWaterQualityDivision,MichiganDepartmentofNaturalResources.4.Rea'pplicationIfthedischargesauthorizedbythispermitareexpectedtocontinuebeyondtheexpirationdateofthispermit,thepermitteeisrequiredtosubmitanapplicationfor'reissuancetotheChiefofthePermitsSectionoftheSurfaceWaterQuality5.WrittenReportRequiredWithin14daysfollowingeachdatespecifiedinPartI.CepScheduleofCompliance.thepermitteeshallsubmitwrittennotificationtotheplainwellDistrictSupervisoroftheSurfaceWaterQualityDivisionregardingitscomplianceornoncompliancewitheachschedulerequirement.Ifarequirementwasnotmet',thepermittee'swrittennotificationshallincludeanexplanationofthefailuretomeettherequirement,actionstakenorplannedbythepermitteetocorrectthesituation,andanestimateofwhentherequirementwillbemet.Iftherequirementinvolvessubmittalofawrittenreportandthewrittenreportwassubmittedinaccordancewiththescheduledate,separatewrittennotificationisnotrequired.

PERMITNO.MI0005827Page15of19PARTIIMANAGEMENTREQUIREMENTS1.DutytoComplyAlldischargesauthorizedhereinshallbeconsistentwiththetermsandconditionsofthispermit.Thedischargeofanypollutantidentifiedinthispermitmorefrequentlythanoratalevelinexcessofthatauthorizedshallconstituteaviolationofthepermit.Itisthedutyofthepermitteetocomplywithallthetermsandconditionsofthispermit.AnynoncompliancewiththeEffluentLimitations,SpecialConditions,ortermsofthispermitconstitutesaviolationofPublicActs245,of1929,asamended,and/orPL92-500,asamended,andconstitutesgroundsforenforcementaction;forpermittermination,revocationandreissuance,ormodification;ordenialofanapplicationforpermitrenewal.2.ChangeofConditionsAnyanticipatedfacilityexpansion,productionincreases,orprocessmodificationwhichwillresultinnew,different,orincreaseddischargesofpollutantsmustbereportedbysubmissionofanewapplicationtotheChiefofthePermitsSectionoftheSurfaceWaterQualityDivisionor,ifsuchchangeswillnotviolatetheeffluentlimitationsspecifiedinthispermit,bynoticetothePlainwellDistrictSupervisoroftheSurfaceWaterQualityDivision.Followingsuchotice,thepermitmaybemodifiedtospecifyandlimitanypollutantnotpreviouslyited.3.ContainmentFacilitiesThepermitteeshallprovidefacilitiesforcontainmentofanyaccidentallossesofconcentratedsolutions,acids,alkalies,salts,oils,orotherpollutingmaterialsinaccordancewiththerequirementsoftheMichiganWaterResourcesCommissionRules,Part5.ThisrequirementisincludedpursuanttoSection5oftheMichiganWaterResourcesCommissionAct245,P.A.of1929,asamended,andthePart5RulesoftheGeneralRulesoftheCommission.4.OperatorCertificationThepermitteeshallhavethewastetreatmentfacilitiesunderdirectsupervisionofanoperatorcertifiedbytheMichiganDepartmentofNaturalResources,asrequiredbySection6aoftheMichiganAct.5.NoncomplianceNotification.If,foranyreason,thepermitteedoesnotcomplywithorwillbeunabletocomplywithanydailymaximumeffluentlimitationspecifiedinthispermit,thepermitteeshallprovidethePlainwellDistrictSupervisoroftheSurfaceWaterQualityDivisionwiththefollowinginformation,inwriting,withinfive(5)daysofbecomingawareofsuchcondition:Adescriptionofthedischargeandcauseofnoncompliance;andTheperiodofnoncompliance,includingexactdatesandtimes;or,ifnotcorrected,theanticipatedtimethenoncomplianceisexpectedtocontinue,andthestepstakentoreduce,eliminateandpreventrecurrenceofthenoncomplyingdischarge.

PERMITNO.MI0005827Page16of19SectionA.6.SpillNotificationPARTIIThepermitteeshallimmediatelyreportanyspillorlossofanyproduct,by-product,intermediateproduct,oils,solvents,wastematerial,oranyotherpollutingsubstancewhichoccurstothesurfacewatersorgroundwatersofthestatebycallingtheDepartmentofNaturalResources24-hourEmergencyResponsetelephonenumber,1-800-292-4706(callsfzomout-of-statedial1-517-373-8166);andwithinten(10)daysofthespillorloss,thepermitteeshallsubmittothePlainwellDistrictSupervisoroftheSurfaceWaterQualityDivisionafullwrittenexplanationastothecauseanddiscoveryofthespillorloss,clean-upand.recoverymeasurestaken,preventativemeasurestobetaken,andscheduleofimplementation.ThisrequirementisincludedpursuanttoSection5oftheMichiganWaterResourcesCommissionAct245,P.A.of1929,asamended.7.FacilityOperationThepermitteeshallatalltimesproperlyoperateandmaintainalltreatmentorcontrolfacilitiesorsystemsinstalledorusedbythepermitteetoachievecompliancewiththetermsandconditionsofthispermit.8.AdverseImpactThepermitteeshalltakeallreasonablestepstominimizeanyadverseimpathesurfaceorgroundwatersofthestateresultingfromnoncompliancewithanyeffluentlimitationspecifiedinthispermitincluding,butnotlimitedto,suchacceleratedoradditionalmonitoringasnecessarytodeterminethenatureandimpactofthedischargeinnoncompliance.9.By-PassingAnydiversionfromorby-passoffacilitiesnecessarytomaintaincompliancewiththetermsandconditionsofthispermitisprohibited,except(a)whereunavoidabletopreventlossoflife,personalinjury,orseverepropertydamage,or(b)whereexcessivestormdrainageorrunoffwoulddamageanyfacilitiesnecessaryforcompliancewiththeeffluentlimitationsandprohibitionsofthispermit.ThepermitteeshallpromptlynotifythePlainwellDistrictSupervisoroftheSurfaceWaterQualityDivisionandtheRegionalAdministrator,inwriting,ofsuchdiversionorby-pass.10.PowerFailuresInordertomaintaincompliancewiththeeffluentlimitationsandprohibitionsofthispermit,thepermitteeshalleither:a~Provideanalternativepowersourcesufficienttooperatefacilitiesutilizedbythe'ermitteetomaintaincompliancewiththeeffluentlimitationsandconditionsofthispermitwhichprovisionshallbe.indicatedinthispermitbyinclusionofaspecificcompliancedateineachappropriate"ScheduleofComplianceforEffluentLimitations".b.Uponthereduction,loss,orfailureofoneormore.oftheprimarysouesofpowertofacilities.utilizedbythepermitteetomaintaincompliancewiththeeffluentlimitationsandconditionsofthispermit,thepermitteeshallhalt,reduceorothezwisecontzolproductionand/oralldischargeinordertomaintaincompliancewiththeeffluentlimitationsandconditionsofthispermit.

PERMITNO.MI0005827Page17of19PARTIItionA.ll.RemovedSubstancesSolids,sludges,filterbackwash,orotherpollutantsremovedfromorresultingfromtreatmentorcontrolofwastewatersshallbedisposedofinamannersuchastopreventanypollutantfromsuchmaterialsfromenteringnavigablewaters,ortheentryoftoxicorharmfulcontaminantsthereofontothegroundwatersinconcentrationsoramountsdetrimentaltothegroundwaterresource.12.UpsetNoncomplianceNotificationIfaprocess"upset"(definedasanexceptionalincidentinwhichthereisunintentionalandtemporarynoncompliancewithtechnologybasedpermiteffluentlimitationsbecauseoffactorsbeyondthereasonablecontrolofthepermittee)hasoccurred,thepermitteewhowishestoestablishtheaffirmativedefenseofupsetshallnotifythePlainwellDistrictSupervisoroftheSurfaceWaterQualityDivisionbytelephonewithin24hoursofbecomingawareofsuchconditionsandwithinfive(5)days,provideinwriting,thefollowinginformation:a.Thatanupsetoccurredandthatthepermitteecanidentifythespecificcause(s)oftheupset;b.c.'hatthepermitteehasspecifiedandtakenactiononallresponsiblestepstominimizeorcorrectanyadverse,impactintheenvironmentresultingfromnoncompliancewiththispermit.Inanyenforcementproceedingsthepermittee,seekingtoestablishtheoccurrenceofanupset,hastheburdenofproof.13.AnyrequirementofthispermitwhichisincludedundertheuniquetermsoftheWaterResourcesCommission,Act"45,P.A.of1929,asamended,andrulespromulgatedthereunder,isnotenforceableundertheFederalCleanWaterActregulations.

PERMITNO.'I0005827Page18of19PARTIIB.RESPONSIBILITIES1.RightofEntryThepermitteeshallallowtheExecutiveSecretaryoftheMichiganWaterResourcesCommission,theRegionalAdministratorand/ortheirauthorizedrepresentatives,uponthepresentationofcredentials:a.Toenteruponthepermittee'spremiseswhereaneffluentsourceislocatedorinwhichanyrecordsarerequiredtobekeptunderthetermsandconditionsofthispermit;andb.Atreasonabletimestohaveaccesstoandcopyanyrecordsrequiredtobekeptunderthetermsandconditionsofthispermit;toinspectanymonitoringequipmentormonitoringmethodrequiredinthispermit;andtosampleanydischargeofpollutants.2.TransferofOwnershiporControlIntheevent.ofanychangeincontrolorownershipoffacilitiesfromwhichtheauthorizeddischargeemanates,thepermitteeshallnotifythesucceedingownerorcontrolleroftheexistenceofthispermitbyletter,acopyofwhichshallbeforwardedtothePlainwellDistrictSupervisoroftheSurfaceWaterQualityDivisionandtheRegionalAdministrator.3.AvailabilityofReportsExceptfordatadeterminedtobeconfidentialunderSection308oftheActandRule2128oftheWaterResourcesCommissionRules,Part21,allreportspreparedinaccordancewiththetermsofthispermitshallbeavailableforpublicinspectionattheofficesoftheStateWaterPollutionControlAencandtheRegionalAdministrator.AsrequiredbytheAct,effluentdatashallnotbeconsideredconfidential.Knowinglymakinganyfalsestatementonanysuchreportmayresultintheimpositionof.criminalpenaltiesasprovidedforinSection309oftheActandSections7and10oftheMichiganAct.4.PermitModificationAfternoticeandopportunityforahearing,thispermitmaybemodified,suspended,orrevokedinwholeorinpartduringitstermforcauseincluding,butnotlimitedto,thefollowing:atViolationofanytermsorconditionsofthispermit;b.Obtainingthispermit,bymisrepresentationorfailuretodisclosefully,allrelevantfacts;orC~Achangein.anyconditionthatrequireseitheratemporaryorpermanentreductionoreliminationoftheauthorizeddischarge.

PERMITNO.MI0005827Page19of19PARTIItionB.5.ToxicPollutantsNotwithstandingPartII.B.4.above,ifatoxiceffluentstandardorprohibition'(includinganyscheduleofcompliancespecifiedinsucheffluentstandardorprohibition)isestablishedunderSection307(a)oftheActforatoxicpollutantwhichispresenr,inthedischargeandsuchstandardorprohibitionismorestringent,thananylimitationforsuchpollutantinthispermit,this'ermitshallberevisedormodifiedinaccordancewiththetoxiceffluentstandardorprohibitionandthepermitteesonotified.6.CivilandCriminalLiabilityExceptasprovidedinpermitconditionson"By-Passing"(PartII.A.9.,pursuantto40CFR122.41(m))and"Upset"(PartII.A.12.,pursuantto40CFR122.41(n)),nothinginthispermitshallbeconstruedtorelievethepermitteefromcivilorcriminalpenaltiesfornoncompliance,whetherornotsuchnoncomplianceisduetofactorsbeyondhiscontrol,suchasaccidents,equipmentbreakdowns,orlabordisputes.7.OilandHazardousSubstanceLiabilityNothinginthispermitshallbeconstruedtoprecludetheinstitutionofanygalactionorrelievethepermitteefromanyresponsibilities,liabilities,ornaltiestowhichthepermitteemaybesubjectunderSection311oftheActexceptasareexemptedbyfederalrigulations.8.StateLawsNothinginthispermitshallbeconstruedtoprecludetheinstitutionofanylegalactionorrelievethepermitteefromanyresponsibilities,liabilities,orpenaltiesestablishedpursuanttoanyapplicableStatelaworregulationunderauthoritypreservedbySection510oftheAct.9.PropertyRightsTheissuanceofthispermitdoesnotconveyanypropertyrightsineitherrealorpersonalproperty,oranyexclusiveprivileges,nordoesitauthorizeviolationofanyFederal,Stateorlocallawsorregulations,nordoesitobviatethenecessityofobtainingsuchpermitsorapprovalsfromotherunitsofgovernmentasmayberequiredbylaw.10.SeverabilityTheprovisionsofthispermitareseverable,andifanyprovisionofthispermit,ortheapplicationofanyprovisionofthispermittoanycircumstances,ifheldinvalid,theapplicationofsuchprovisiontoothercircumstances,andtheremainderofthispermit,shallnotbeaffectedthereby.1.NoticetoPublicUtilities(MissDig)TheissuanceofthispermitdoesnotexemptthepermitteefromgivingnoticetopublicutilitiesandcomplyingwitheachoftherequirementsofAct53ofthePublicActsof1974,beingsections460.701to460.718oftheMichiganCompiledLaws,whenconstructingfacilitiestomeetthetermsofthispermit.

0 PermitNo.MI0005827Page1ofP.PERMITCONDITIONSPARTIIIA.GROUNDWATERDISCHARGEAUTHORIZATIONThepermitteeisauthorizedtodischargefromitswastewatertreatmentfacilitytothegroundwatersofthestateinaccordancewiththeconditionsbelow.ThisauthorizationshallcontinueuntiltheMichiganWaterResourcesComaissionmakesitsfinaldeterminationonastategroundwaterdischargepermit.B.GROUNDWATERDISCHARGEREQUIREMENTSDuringtheperiodbeginningonthedateofissuanceofthispermit,andlastinguntiltheexpirationdateofthispermit,thepermitteeisauthorizedtodischargeprocesswastesandsanitarywastestothegroundwater.Suchdischargesshallbemonitoredbythepermitteeasspecifiedbelow:Processwastesshallbedisposedofintothegroundinsuchamannerandbymeansofsuchfacilitiesandatsuchlocationthattheyshallnotinjuriouslyaffectpublichealth,welfare,orcommercial,industrial,domestic,agricultural,recreational,orotherusesoftheundergroundwaters.Monitoringrequirementsforboilerwatertreatmentsystemsprocesswater(watertener,clarifiers,make-updemineralizers)andboilercleaningwaterpriorto.schargeintotheground.PARAMETERTOBEMEASUREDFlowpHCadmiumOil5GreaseSulfate(SO<)Chloride(CL)TotalPhosphorusChemicalOxygenDemandTotalDissolvedSolidsFREiRUENCYContinuousContinuousAttimesofboilercleaningwaterdischargeWeeklyAtalltimeswhenregenerationofionexchangeresinsoccursWeeklyWeeklyWeeklyAtalltimeswhenregenerationofionexchangeresinsoccursTYPEOFSAMPLEDailymaximu,minimumGrabGran24-Hr."anoos'24-Hr,Composite24-Hr.Composite24-Hr.Composite24-Hr.CompositeMonitoringrequirementsforsanitarywastewaterspriortodischargeintotheground:PARAMETERTOBEMEASUREDFlowStatewhichseepageareaisbeingutilized~FREVENCYContinuousListwhenseepageareasarealternatedREPORTListbeginningandendingdateandtimeofuseofeachseepagearea PermitNo.MI0005B27PartIII-B{continued)Page2of~Monitoringrequirementsforgroundwatercollectedinmonitoringwells:PARAMETERTOBEMEASUREDRecordstaticwaterelevationpHTotalChranium(Cr)Copper(Cu)Sulfate(S04)Chloride(Cl)HardnessNitrate-NitrogenasNSodium(Na)PolychlorinatedBiphenylsChemicalOxygenDemandBoron(B)TotalPhosphorus(P)TotalDissolvedSolidsCadmiumOil5Grease~FREUENCYquarterlyquarterlyguarterlyquarterlyquarterlyquarterlyquarterlyquarterlyOuarterlyOuarterlyquarterlyquarterlyquarterlyquarterlyquarterlyquarterlyTYPEOFSAMPLEReadingattimeofsamplingGrabGrabGrabGrabGrabGrabGrabGrabGrabGrabGrabGrabGrabGrabGrabResultsofallmonitoringrequiredinPartIIIofthispermitshallbesubmittedtothePlainwellDistrictOfficeofthel/asteManagementDivision.

ALRESOURCESCOMMISSIONTHOMASJ.ANDERSONMARLENFLUHARTYGORDYERKERRELLWATTSONO.STEYEASRAYMONDPOUPORESTATEOFMICHIGANJAMESJ.BLANCHARD.GovernorDEPARTMENTOFNATURALRESOURCESSTEVENST.MASONBUILDINGP.o.BOX80028LANSING,Ml48909DAVIDF,HALES.&rectorOctober4,1990RZCF!~Z."-JOCfI0)9"0ENVIRONS::-NT'ALAFFAIRSMr.DonaldL.BakerEnvironmentalAffairsDirectorIndianaMichiganPowerCompanyP.O.Box60FortWayne,Indiana46801

DearMr.Baker:

StaffoftheSurfaceWaterQualityDivisionoftheMichiganDepartmentofNaturalResourceshasreviewedyourAugust7,1990requestforauthorizationtouseBetzClam-TrolCT-1-Molluscicde(Clam-Trol)toAccordingtoyourletter,thedoseratewillbe15mg/1ofClam-Troladdedtotheintakewaterforvariousin-plantusages.,Withtheexceptionoffireprotection,treatmentwillbeaccomplishedin12hours.TheresidualClam-Trolwouldbedetoxifiedwithbentonite,priortofinaldischargetoLakeMichigan.ThetreatmentistotakeplaceonOctober8,1990.Therequesteduseisauthorizedwiththefollowingconditions:ThefinalconcentrationofClam-TrolinthedischargetoLakeMichiganshallnotexceed0.08mg/1,asamaximum.TheconcentrationofClam-Trolinthedischargeshallbedeterminedbyanalysesor,ifanapprovedanalyticaltechniqueisnotavailable,bycalculationbasedonthemassbalancethroughthesystem.Ifthedetectionlevelisnotadequatetodeterminecompliancewiththemaximumlimit,thedischargeconcentrationofClam-trolshallbelessthandetectableandthedischarge.shallbetreatedbyappropriatedetoxificationmeasures.28TheCompanyproposestousebentoniteclayat30mg/1todetoxifytheClam-Trol.BeadvisedthatyourcurrentNPDESPermitcontainsthestatement,"Thereceivingwatershallcontainnounnaturalturbidity,color,oilfilm,floatingsolids,foams,settleablesolids,ordepositsinquantitieswhichareormaybecomein)urioustoanydesignateduseasaresultofthisdischarge."Thetreatmentmustbeconductedinsuchamannertoassurecompliancewiththisrequirement.ThereshallbenodischargeofClam-Troltotheground.AlltreatedwatershallbecapturedsothatitisdetoxifiedpriortodischargetoLakeMichigan.~(CI~

Mr.DonaldBakerPageTwoOctober4,1990Ifyouhaveanyquestions,pleasecontactMr.FredMorleyofthePlainwellDistrictOfficeat616-685-6851.SinelyPaulD.Zuer,ChiefSurfaceWater,QualityDivision517-373-1949 NATURALRESOURCESCOMMISSIONTHSJ.ANDERSONJ,FLUHARTYE.GUYERAMMERDAMATTSONO.STEWARTMYERSRAYMONDPOUPORESTATEOFMICHIGANJAMESJ.BLANCHARD.GovernorDEPARTMENTOFNATURAlRESOURCESSTEVENST.MASONBUILDINGP.O.BOX80028LANSING.Ml48809DAVIDF.HALES.DvtctOrDecember5,1990Mr.DonaldL.BakerEnvironmentalAffairsDirectorIndianaMichiganPowerCompanyOneSummitSquareP.O.Box60FortWayne,Indiana46801

DearMr.Baker:

ThisletterisinresponsetoyourDecember3,1990letterrequestingauthorizationtocontinuouslydischargechlorine,asawatertreatmentadditive,tocontrolZebraMusselsintheessentialservicewatersystemattheCookNuclearPlant,locatedinBridgman,Michigan.TheNPDESpermit,MI0005827,issuedtotheCookNuclearPlantexpiredatmidnightAugust31,1990.TheNPDESpermitreissuedonSeptember20,1990doesnot'takeeffectuntilJanuary1,1991.Therefore,theexpiredpermitisstillinforceuntilthatdate.Thepermitcurrentlyinforcelimitsthechlorinedischargetimeto30minutesperday.Youhaveadvisedusthatduetozebramusselinfesta-tionwhichhreatensthesafetyofthefacility,theplantneedstoimmediatelycommencetheuseofchlorineonacontinuousbasis.ThepermitthatwasissuedonSeptember20,1990andwhichtakesaffectJanuary1,1990allowsforthecontinuousdischargeofchlorineat0.036mg/1.Thepermitcurrentlyinforce,Part'I-A-l.e.,containstheauthorityfortheChiefoftheSurfaceWaterQualityDivisiontoapprovethedischargeofwatertreatmentadditives:"IntheeventthepermitteeshallrequirethedischargeofwatertreatmentadditivesinadditiontoanypreviouslyapprovedbytheChiefoftheSurfaceWaterQualityDivision,thepermitteeshallnotifytheDivisionChief.Writtenapproval,fromtheChiefoftheSurfaceHaterQualityDivisiontodischargesuchadditivesatspecifiedlevelsshallbeobtainedpriortodischargebythepermittee."el&>~~~

DonaldL.BakerDecember5,199AccordingtoyourDecember3,1990letter,thecontrolofZebraMusselsintheessentialservicewatersystem.attheCookNuclearPlantis,inyourCompany'sjudgement,absolutelynecessaryforthesafeoperationoftheplant.Onthebasisofthatrepresentation,andupontheauthoritygrantedmeinthecurrentpermit,thecontinuousdischargeofchlorineat0.036mg/1isherebyapproved.ThisapprovaliseffectivefromthedateofthisletteruntilJanuary1,1991,whenthereissuedpermittakeseffect.Theenvironmentalconsequencesareexpectedtobethesameasthosewhichwouldresultfromthecontinuousdischargeofchlorineasauthorizedinthereissuedpermit.Allconditionsregardingchlorinationcontainedinthereissuedpermitaretobemetwhencontinuouschlorinationispracticedunderauthorityofthisletter.Failuretodosowouldvoidthisauthorizationandsubjectyoutoenforcementactionforviolationofyourcurrentpermit.IfyouhaveanyquestionsinthismatterpleasecontactMr.FredMorleyatthePlainwellDistrictOfficeat616-685-9886,oryoumaycontactme.Sinecc:Mr.PaulBlakeslee,MDNRMr.FredMorley,HDNRPaulD.Zur,ChiefSurfaceWatergualityDivision517-373-1949 APPENDIXIIIHERBICIDEAPPLICATIONREPORT1990

INOIANANICHIGANPOWERDateDerember10,19901990HerbicideSpra>>Report-CookP'antF<<mDaneM.I"cKayR.F..RrooksSummaryn+ProgramA.Durinathemontho+Ma>>,NoxiousVeaetationControl,inc.appliedamixtureofKarmex,KrnvarandBanvell"20tncontrolqrassandweelqrowthnntheplantsite.T.ocationstreatedinclude:KVSwitrhaearYards,roadwavs,parkinglntsgnerimeterso;.+hesewaaeponds,androntrolled/uncontroltedareasinsidetheprotertedarea.Atotalof231lbs.n+Karmex,42lbs.ofKrovar,and3.75qallonsn+Ranvell720wasappliednver35acres.Right-of-WavMaintenanrewasperformedunder~~arioushustiesandKVlinesonCookPlantlands(seeletterfromR.T.Cheenev)attached.FiveaallonsofTordon101RandtenpoundsofSpikeRO-825wasusedPurina1990.C.Maiorareascoveredandobservationsmade'nNovember.Moderateweedgrowthonthesidesnfhnthsewageponds.2.RoadtoAhsnrptionPond:Goodcontrolonroad.Howeedsfoundatall.3."65KVSwitchaearYard:Sparsepatchesof.grassarowinqthrouahout>>ard.PerimeterFenceisclearnfgrassandweeds.4.345FVSwitchgearYard:Sparsepatchesnfgrassarnwingthrouqhnut>>ard..Perimeter+enceisclearn;crassandweeds.Railroadtrackseastnf7raininaCenter:Pool~A.e8cnntrol,nnwee~Is+nundatall.Intra-System 1~90HerbicideRoravReportdecember10,1~90Paae6.CESA:Goodweedcontrol,a+ewweedsarowinaalonqN-NEsidesnffence.'7Contractorsupervisorsparkinalot:Patchesnfcrrasscrrowincraloncrtheeastfence.FastSewaaePlant:Patchesofarassandweedsqrowincraloncrnorthandsouthsidesofthehuildina.9SouthSewaaePlant:Grassisarowinaonallsidesoftheplant.10.69F~?SwitchaearYard:Goodweedcontrol,noarassorweedscrrowincrinliardoralonafence.NorthprotectedareaPence:Goodweedcontrol,nnarassnrweedsfoundatall.SouthPerimeterFence:Sparsepatchesofcrrasscrrowincralonafence.13.FastPerimeterFence:Goodweedcontrol,noweedsfnundata3.3..14.SiteetesianRuildincr:Goodweedcontrol,smal3.~oatchesof.arasscrrnwinaaloncreastsidenfthehuildincr.15.ContractorsTrailerComplex:Soarsearassandweedsarowinaaloncrhasenftrailers.16.3:CMSOfficeTrailer.:Goodweedcontrol,noweedsfnundatall.17.ZCMSFabShop:Goodweedcontrol,noweedsfoundatall.Southwest.SideofTurbineRuildinq:Goodweedcontro3.,noweedsfoundatall.19.SouthEndofTurbineRuildina:Goodweedcontrol,noweedsfoundatall.20.Unit1ESTArea:Goodweedcontrol,noweedsfoundatall.

1990,FerhirideSprav,Report9Decemher10,1990Paae3?1.Unit2RIPESTArea:Goodweedcontrol,noweedsfoundatall.22.Hvdrogen/NitroaenStorageTankArea:Goodweedcontrol,noweedsfoundatall.23.MetTowerhuildina:GrassandYfeedsarowinqaroundbuildinq.24.AirStations:Grassandweedsarowinqinsideairstationfences.25.Environmental~?arehouse:Grassandweedsarowingaroundhaseofbuilding.?6.ConstructionFabShop:Grassgrowingonnorthandwestsidesofthebuilding.2'7.RnvironmentalPolebarn:Grassandweedsarowina,aroundbaseofbuildina.Newareastobesprayednextyear:RoadtoMetTowerRuildina.GravelonhothsidesofaccessroadtoRedArrowHiqhwav.Apparentlytheselectedherbicidesand,theirapplicationcontinuestoronformwithplantTechnicalSpecificationstocontrolencroachingveaetation,resultinain'reduct'onofmaintenancecostsandimprovinqoverallplantsitevisibilitv.

COOKNUCLEARPLANTHERBICIDEAPPLICATIONDATA1990Date5-'I"-~05-~8-905-18-905-18-90Location'765KxyvardLbs.Karmex13?345KVYard333369&rvard,SewagePonds,AbsorptionPondRoad,SiteDesignRuildincrs,SewacrePlantsandallotheraroundsoutsidethenrotectedareaAllunshaved33areasinsidetheprotectedareaLbs.Krovar1.2520002050051.255001.25,500Gals.ofRanvellGals.Acres720H20Covered?31Lbs.4?3.75T~bs.Gals.3500Gals.35Acres INDIANANlCHIGANPOSERDateDecember4,lgg0R/WMaintenanceHerbicideUseonCookPlantLandsEFromR.J.CheeneyToD.McKayThefollowingcuttingandchemicalusagewasdoneattheCookPlantduringthe1990calendaryear.UndertheUnit1765KVBustie:Cut31brushunits(15,500squarefeet).Used4gallonofTordon101Rforstumptreatment.UndertheDumont-Cook765KVline:Cut80brushunits(40,000squarefeet).Used1gallonofTordon101Rforstumptreatment.UndertheUnit2345KVBustie:Cut14treesand65brushunits(32,500squarefeet).Used1gallonofTordon101Rforstumptreatment.UndertheCook-CookJct.345KVlines:Cut110brushunits(55,000squarefeet).Used24gallonsofTordon101R'orstumptreatment.UndertheE.Elkhart-Cook345KVline:Cut80brushunits(40,000squarefeet).Used10poundsofSpike80-W25forstumptreatment.Zfyouhaveanyquestionsaboutthework,pleasecallmeatExt.2254.c/~~~~g/~pR.J.CheeneyRJC:etc:H.E.Brooks8/016Intra-System APPENDIXIVMACROPOULERMONITORINGPROGRAM1990 INDIANAMICHIGANPONERCOMPANYCookNuclearP3.ant1990ZebraMusselandAsiaticClamMonitoringandControlReportApril4,1991byEricC.MallenSince1982,CookNuclearPlanthasbeenutilizingamacrofoulermonitoringprogramtodetectthepresenceofAsiaticClams(Corbiculafluminea).IsolatedfindsofAsiaticClamsoccurredinMayof1984,Decemberof1988andNovemberof1989,andweresummarizedinpreviouslysubmittedannualreports.BecauseoftheirextremelysparsepopulationdensitvanddistributionattheCookNuclearPlantandlocalenvirons,AsiaticClamshaveposednonperationa3.problems.In1990,aprogramwasinstitutedtodetectthepresenceofZebraMussels(Dreissenapolymorpha)aswellasAsiaticClams.ThediscoveryofZebraMusselsonJulv18,1990durinqroutinedivinginspectionsandcleaninqo+theUnit02ScreenhouseIntakeForebav,promptedfurtherinvestigationintotheirpopulationdensitvanddistributionintheplant'srawwatersystems.Diveseperformedontheeastandwestsidesoftheplant'sUnit02'lingscreensandcondenserinlettunnel.Individualsincinsizeso+1/4"-1"inlenqthwerefoundindensitiesof0.25-0.67individualspersquarevard.Thelakeintakestructuresandthelimestoneriprapadjacenttothesestructureswereinspected,withonlythreeindividualsencountered.NomusselswerereportedonthebreakwatersorbeachesatSt.Joseph.OnSeptember13,1990,plantdiverscollectedsedimentsamplesfromthevicinityoftheplantintakes,andinfrontofTravelingScreens1-7and2-1intheScreenhouseIntakeForebav.AtotalofthreeZebraMusselswerefoundinthetwosamples,andnoAsiaticClamswerediscovered.(SeeAttachment01.)'oncurrentwiththesemonitoringefforts,controlstrategieswereevaluated,andaprocedurewasdevelopedtouseBetzIndustrial'sClam-Trol,CT-1totreattherawwatersystems.TheproceduretoapplyClam-TroltothePlant'srawwatersystemswasperformedon~October8-9,1990.A,1.2%to100%mortalitvratewasrealized,asmeasuredbytheplacementofBio-Boxesonthedifferentrawwatersystems.Theresu3.tsofthetreatmentaresummarizedinthetablesandqraphsinAttachmentg2.TheRio-Boxesonsvstemswhich,displavedlowmortalityratesdidnotreceivethevendor'sspecifiedCT-1residualsof15ppmforadurationof12hours.e 1990ZebraMusselandAsiaticClamMonitoringandControlReportFromOctober9-11,1990,fivewatersamplesveretakenfromtheUnitN2DischargeTunnelandexaminedforZebraMussellarvae.Noveligerswerefound.(SeeAttachmentNl.)OnOctober12,1990,theBio-MonitorinstalledontheFSWsystemfortheprevioussixmonthsvascleanedout.ThetestsubstratesandsedimentwereexaminedforZebraMusselsandclams.TwojuvenileZebraMusselswerediscovered.Fourfirehydrants,(tvovithintheprotectedareaandtwooutside),wereflushedandtherinsewatersievedonNovember15,1990.NoZebraMusselorAsiaticClamadults,juveniles,orshellfragmentsweredetected.C-'reenalgae,ironpipinqcorrosionproducts,pebbles,andtwosnailsoftheqenusPhvsawereidentifiedinthesamples.(SeeAttachment.Nl.)DivinqinspectionsoftheUnitNlintakeForebavvereperformedbvUnderwaterConstructionCorp.inNovemberof1990.inspectionsshowedincreasingnumbersofZebrabrussels1/8"-1/4"growingindensitiesapproachinq100individualspersquareyard.Theseappearedtobefromthisyear'scrop.Diverscontinuedtoreportvounq-of-the-vearmusselsqrovingontrashracks,andtravelinascreencomponentsasthevwerebeinaremovedforrefurbishinq.(SeeAttachmentN3.)DurinqaroutineinspectionoftheUnitNlWestCCWHeatFxchangeronDecember1,1990,liveZebraMussels1/8"-1/2"insizewerefoundattachedtothedischargechannelandendbellsectionsoftheheatexchanqer.Theirdensitywasestimatedtobe50individualspersquareyard.ZebraMusselsitingshavebeenmadeatotherravwaterusers'acilitiestowardthesouthendnfLakeMichigan.Todate,nonehavebeendiscoveredonthebreakwatersandbeachesofSt.Joseph,MX.Duetotheirlovdensitiesandpopulationdistributionwithintheravwatersystems,ZebraMusselsandAsiaticClamshaveyettoposeoperationalproblemsattheCookNuclearPlant.Ajointplant/corporatetaskforcevasformedin1990todevelopaZebraMusseleradication/controlplan.Thisplanisbeinqimplementedin1991.

EnvironmentalResourcesNanagement,Inc.ATTACHMENT1Suite200~3025BoardwalkDrive~AnnArbor,Michigan48108~(313)76~80~Telefax(313)76&426422January1991Mr.AllenE.GaulkeEnvironmentalEngineeringAmericanElectricPowerServiceCorporation1RiversidePlazaColumbus,Ohio43215RE:EndofYearReportforBiofoulingMonitoringatCookNuclearPowerPlant,Bridgman,Michigan

DearMr.GaulkeEnclosedforyourreviewaretheresultsofourbiofoulingmonitoringsamplingeffortsfor1990.Weareintheprocessofdevelopingarevisedsamplingplanandproposalforthisyearsmonitoringtoincludetheuseofartificialsubstratesintheforebyarea.houldyouhaveanyquestionsconcerningthereportpleasedonothesitatecallus.SincerelyERM,

Inc.RichardF.GendernalikProjectScientistEnclosureCCMallenP.McCallR.Dwyerp,nalfiliateofTheEnvironmentalAesourcesManagementGroupwithotficesworldwide ATTACHMENT1MOLLUSCBIOFOULINGMONITORING1990ENDOFYEARREPORTD.C.COOKNUCLEARPOWERPLANT.BRIDGMANsMICHIGAN22January1991RichardF.endernalikProjectScientistobertL.Dr,Ph.D.Project,ManagerPreparedFor:AmericanElectricPowerServiceCorporation1RiversidePlazaColumbus,Ohio43215PreparedBy:EnvironmentalResourcesManagement,Inc.855SpringdaleDriveExton,Pennsylvania19341FileNo.:B017-01-0001 ATTACHMENT1INTRODUCTIONEnvironmentalResourcesManagement,Inc.(ERM)wasretainedbyAmericanElectricPowerServiceCompany(AEP)toundertakeamonitoringprogramfortwomolluscsthathavethepotentialforfoulingtheopen-cyclecoolingsystemandotherwatersupplie'softheCookNuclearPowerPlantinBridgman,Michigan.ThemonitoringprogramisrequiredbytheU.S.NuclearRegulatoryCommissionaspartoftheongoingnonradiologicalenvironmentalmonitoringprogramattheplant.Thetwomolluscsarethezebramussel(Dreissenapotymorpha)andtheasiaticclam(Corbiculafluminea).BothorganismshaveestablishedthemselvesintheGreatLakes.ZebramusselsinparticularhavecolonizedmuchofthehardsubstratealongtheLakeEriecoast,andhavefouledtheintakestructuresofpowerplantsandmunicipalwatersupplies.ThisreportpresentstheresultsofinitialsamplingofseveralwatersystemsintheCookplant,conductedinOctoberandNovember1990.Theprogramwasintendedtomonitorforbothveligers(juveniles)andadults.However.theprogramwasbegunlateintheyear,socomprehensivesamplingwasnotundertaken.Afullsamplingprogramisplannedfor1991.1-1 ATTACHMENT1METHODSTheERMbiofoulingmonitoringattheCookFacilityin1990consistedofthreetypesofsamplingefforts:planktonsampling,sedimentsamplingandfirehydrantsampling.Theplanktonsamplingwasundertakentodeterminethenumberofveligerlarvaeofthezebramusselpresentintheforebayareaofthepowerplant.Thesedimentandfirehydrantsamplingwereusedtomonitorthepresenceofjuvenilesandadultsofboththeasiaticclamandthezebramussel.AllsamplingwasconductedaccordingtoD.C.CookNuclearPlantProcedureNo.12THP6020ENV.101asfollows:fiveplanktonsampleswerecollectedon9-11October1990fromtheintakeforebayofUnit2.Thesampleswerecollectedbypumping41gpm(usinganondestructivediaphragmpump)throughaplanktonnetandcollectingthesampleinthecodend.Sampleswererefrigerated(unpreserved)untiltheywerecountedon12October1990inordertobeabletoidentifyveligersbytheirmovementpatterns.Samplesweresortedandcountedbyconcentratingthevolumeofthesampledownto75mlusinga63pmplanktoncup,andcounting5successive1.0ml(or0.75mlinonecase)aliquotsinaSedgwick-Raftercellunder100-400xmagnifications.Thissubsamplingistheequivalentofexamining0.67to7,02m3ofLakeMichiganwater(intakewater)forlarvae.SedimentsampleswerecollectedbyAEPpersonnelatthebottomofthe,intakeforebayandneartheintakesinLakeMichigan.Abiomonitoring--chamber(containingcobble-sizedstonesasanartificialsubstrateandexposedtoflowingwaterfromtheessentialcirculatingwatersystemsoftheplant)wasalsosampledforsedimentandattachedmussels.Sedimentsampleswereplacedinapanandexaminedunderamagnifyinglensforjuvenilemusselsandclams.FourhydrantsweresampledusingaNo.35meshbenthossieve.AArehosewasconnectedtoeachhydrantanddirectedtoa55-gallondrum.The55-gallondrumwasoutfittedwitha3-inchdrainpipe/flowmeterlocatedapproximately3-inchesfromthebottomofthedrum.Thedrainpipewasdirectedtotheneareststormdrain.Nodirectdischargetoanyotherwaterwaystookplace,Thebenthossievewasplacedinsidethedrumagainstthedrainpipeopening.Thesievewasheldinplacebyhanduntiltheforceofthedrainingwaterheldittightagainstthewallsofthedrum.1-2 ATTACMMENT1Flowrateswerecontrolledatthehydrantandwerenotedattheflowmeteronthedischargepipe.Initialflowswerecollectedfor10minutesandrangedfrom31gallons/minuteto95gallons/minute.Asecondflushof5minutesdurationwasconductedatthehighestratethatcouldbecontrolledbypersonnelhandlingthehose.Theflowratesforthissecondflushrangedfrom94gallons/minuteto124gallons/minute.Attheendofeachflushthesievewasremovedfromthedrumandanymaterialcollectedonitwascarefullywashedintoacollectionjar.Materialcollectedfromthefirstandsecondflusheswerecombinedforeachlocation.Anyremainingwaterand/ordebrisleftinthe55-gallondrumwasdrainedthrougha1-inchdiameteropeninginthebottomofthedrumintoasieveplacedunderthedrum.Thesampleswerevisuallyobservedatthesampling'siteforthepresenceofjuvenileoradultmusselsandclams.Thefollowingday,allsampleswerescreenedforthepresenceofadultmusselsorclamsusingafluorescentmagnifyinglamp.1-3 ATTACHMENT1RESULTSFiveplanktonsampleswereexaminedforzebramussellarvae(seeTable1),Thesamplesallcontainedadiversezooplanktonfauna(indicatingthatthepump/netsamplingsystemwasoperatingefficientlyandnondestructively).However,nozebramussellarvaewerefound.SedimentsampleresultsarepresentedinTable2.No,asiaticclamswerefoundinthetwosedimentsamplesorthebiomonitoringsample.Atotaloffivezebramusselswerefoundinthethreesamples,ranginginsizefrom3to21mm.Table3summarizesthehydrantsamplingateachlocation.Noasiaticclams,zebramusselsorfragmentswerefoundatanyofthesamplinglocations.TheaquaticsnailPhysasp.wasidentifiedattwolocations:12-HYD-lland12-HYD-12.ThefreshwateralgaeCtadophorasp.wasfoundatalllocations.Numeroussmallfragmentsofwhatappearedtobecorrodedironpipingandpebbleswerealsoobservedateachlocation.1-4 ATTACHMENT1DISCUSSIONThesedimentandbiomonitoringsamplesindicatethatzebramusselsarepresentinverylowabundanceinLakeMichigannearthecirculatingwaterintake,intheintakeforebay,andintheessentialwatersystemoftheplant.Also,zebramusselswerenotfoundtobepresentinthefireprotectionsystem.Nozebramussellarvaeweredetectedinthefiveplanktonsamples,collectedfrom0.6to7.0m3ofwaterfromthemaincirculatingwatersystem.ItshouldbenotedthatthesampleswerecollectedinOctober,whenlarvaewouldnotbeexpectedtobepresentinthewatercolumn.Thus,theseplanktonsamplesmaynotgiveanaccurateassessmentofthepotentialabundanceoflarvaewhichmaybepresentearlierintheyear.Noevidenceofasiaticclamswasfoundinanyoftheplankton,sediment,orhydrantsamples.1-5 Table1PlanktonSampleResultsCookNuclearPowerPlant,Brldgman.Mlchlgan12October90CookUnit2DischargeBayPlanktonPumpSamplingCKU210/09/90CKU210/10/9041gpm41gpmSampleNumberFlowrate37.108850ml75ml11,690800ml75mlTotalgallonsSampleConc.VolumeVolumeSub-Sample'olume0.75ml1.0mlVelfger"Count0CKU210/10/9041gpm3.989500ml75ml1.0mlCKU210/10/9041gpm3,710900ml75ml1.0mlCKU210/11/9041gpm2.649230ml75ml1.0ml'tvesub-samplesweretakenofeachconcentratedvolume"Totalcountsfortheftvesub.samplesIsshown ATTACHMENT1Table2SedimentSampleResultsCookNuclearPowerPlant,Bridgman,Michigan12,13,14September90SampleLocationIntakeStructureDate9-13-90OrganismsDrefssenapolymo~haSphaerlumsp.GastropodaLymnaeasp.(BuBmnea)Gonfobasfssp.Physasp.Gyrautussp.Totalnumber1(21mm)12(1/2shells)82,1~1TravelScreend2-19-13-90DrefssenapolymorphaSphaerfumsp.GastropodaLymnaeasp.(Bulimnea)Gontobasfssp.Physasp.2(3,20mm)12(1/2shells)1587Biomonitor(sedimentandwashingfromhardsubstrate)10-12-90DrefssenapolymorphaSphaerfumsp.2(3,5mm)20(1/2sheQs)'enotesItvespecttnen CookNuclearPowerPlant-FireHydrantSamplingTable3FireHydrantSampling19November1990SampleLocationFlowMeterReadingElapsedFlowRateStartEndTimeTotalGallonsAsiaticClamsZebraMusselsOtherFH12-HYD-2A36583.036586.110'1gpm36586.136590.85'4gpmFH12-HYD-1236590.836596.710'9gpm36596.736602.95'24gpmFH12-HYD-2136602.936611.110'2gpm3104705906208200-A0-J-FR0-A0-J0-FR0-A0-JR0-A0-J-FR0-A0-J0-FR0-A0-J-FRCladophorasp.metalfrag.blCiadophorasp.1-Phtisasp.metalfrag.ICladophorasp.metalfrag.FH12-HYD-1136611.136620.636620.636626.310'5gpm-9505'14gpm5700-A0-J0-FR0-A0-J0-FRCladophorasp.1-Physasp.metalirag.blKey:FH-firehydrantA-AdultsJ-JuvenilesFR-shellfragments CIRC.VNTERCOND.OUT.U1Conc.CT-1ppmandTemperaturevsTime10080604020021:4610/8/9000.4610/9/90U2:0010/9/9004:0010/9/9006.1010/9/9006:2010/9/90TING%Conc.CT-1HTargetCT-1Conc.~Temp.Deg.F100%Mortality CIRC.WATERCOND.OUT.U2Conc.CT-1ppmandTemperaturevsTime70605040302010021:4010/8/9000.4610/9/9002:0010/9/9004:0010/9/9006.1010/9/9006:2010/9/90TlNe~Conc.CT-169TargetCT-1Conc.EGTemp.Deg.F UNIT1ESWConc.CT-1ppmandTemperaturevsTime10080604020021:6010/8/9000:4610/9/9002:1610/9/9004:0010/9/9006:1010/S/9006:2010/9/90Time~Conc.CT-1EZTargetCT-1Conc.~Temp.peg.F100%mortality

<rrr~~r~r<<~~I~~~~~~~~II~~~~~~i~~~~~~~I~~t~

UNIT1NESWConc.CT-1ppmandTemperaturevsTime80604020021:4010/8/90004610/9/9002:1010/9/9004.0010/9/9006.1010/9/9006.1610/9/90TlIB%Conc.CT-1HTargetCT-1Conc.EQTemp.Deg.F1.2%mortality SummaryofClam-trolApplicationResultsBio-BoxControlUnit¹1NeswUnit¹2Circ.WaterCondenserOutletUnit¹2ESWUnit¹1ESWUnit¹1Circ.WaterCondenserOutlet%Mortality4.91.213.395.0*100.0>>100.0MortalitiesattributabletocausesotherthanClam-trolOctober8-9,1990 MUSSELMORTALITYGUM/0100806040~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~t~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~t~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\~~~~~~~~~~t~~~~~~0~~~~~~~~~~~~~~~0~~~~~~~~~~~e~i~~~~~~~~~0~~~~~~~~~~~~~~~~2091011121314161617181920212223242626272829303112346678MU1NESW1.2%IU2ESW96%EBControl4.9%KBU1ESW100%CDU2Cond13.3%U1Cond100%10/9-11/8/90 Clam-trolApplicationConclusions1.Watertemperatureswerewellwithinvendor'srecommendedranges.2.WiththeexceptionoftheUnit¹1Circ.WaterCondenserOutlet,therecommendedresidualof15ppmfor12hrs.wasneverachievedinthesystemstreated.3.Unit¹1Circ.WaterCondenserOutletmortalitycurveexhibitedthat=typicalofatoxicmaterialintroductionwithahighkillupfront.4.MortalitiesregisteredintheESWbio-boxeswereduetocausesotherthanClam-trol.5.ProblemswithdetoxificationfeedresultedinactiveClam-trolbeingdetectedinUnit¹18¹2'sdischarges,andapplicationbeingterminated.October8-9,1990 ATTACHMENT3{DONAIDC.GXKNUCURRSZATIONZEBRANJSSRLINSPECTIONUNITNForeman:ShaneAlbertson ATTACHMENT3LJAIIDI=IQMllkaI=I%C~C3iXIKSaIQLJC~sICBM'IC~CQIQI>C1IRikaICBMP.O.BOX6901/WHEELING,WESTVIRGINIA26003/PHONE:I304)547-0103IhGIANAMICHIGANP04ERCCAPANYIXNALDC.COCKMXLEARSTATIONZEERANJSSELINSPECTIONLNIT¹219901)Thekeywayinsideofbay1-5,1"6southside-approximately5'ff'tthefloor,5'astoftravelingwaterscreen,a3'quareareacontains33ZebraMussels.2)Samekeywayasaboveonnorthside,approximately5'romtloor,5'astoftravelingwaterscreen,a3'quareareacontains28ZebraMussels.3)Samekeywayasaboveonsouthwestcorner,5'ffthefloor,a3'quareareacontains25ZebraMussels.4)15'astoftravelingwaterscreen1-6,onthefloor,a3'quareareacontains100ZebraMussels.5)Onthenortheastcornerofkeyway1-5,1-6,approximately5'ffthefloora3'quareareacontains1ZebraMussels.6)Onthesouthwestcornerofthedividingwall,between1-5,1-4,approximately5'ff'hefloor,a3'quareareacontains7ZebraMussels.7)Thesamesouthwestcorneras¹6above(1-5,1-4),approximately20'ffthefloor,asquareareacontains5ZebraMussels.8)InsideUnit¹1,eastsouthwestbay,ontheeastwall,approximately5'romthefloor,a3'quareareacontains32ZebraMussels.9)Ontheeastwalloff'hecirculatingpump¹13approximately5'romthefloor,a3'quareareacontains25ZebraMusselsCORPORATSHSAOOUARTERS:POBOX699.110PLAiNSROAO.SSSEX.CONNECTICUT06426~(203)767.6256OneOIThebreoeCOmeenee ATTACHMENT3ZebraMusselInspectionUnit¹1-1990Page2~10)Unit¹1eastsouthwestbayinsidenorthwall,approximately5'romthefloor,a3'quareareacontains1'IZebraMussels.'l1)Unit¹1eastsouthwestbayinsidesouthwall,approximately5'romthefloor,a3'quareareacontains11ZebraMussels.'12)Theeast,eastsouthwestpumpislightlycoatedwithZebraMussels.

0+C+?l-2l-3io>-6I-742-I222-32-4i2-5$2-7~i/~Q~y~iDAT'E:.INSP.BY:

APPENDIXVANNUALREPORT:RADIOLOGICALENVIRONMENTALMONITORINGPROGRAM1990

DONALDC.COOKNUCLEARPLANTUNXXS1R2OPERATIONALRADIOLOGICALENVIRONMENTALMONITORINGPROGRAM1990ANNUALREPORTJANUARY1toDECEMBER31,1990PreparedbyINDIAIVAMICHIGANPOWERCOMPANYandTELEDYNEISOTOPESApril15,1991

TABAPPEEIE(Cont)APPENDIXA-RadiologicalEnvironmentalMonitoring.........................................33ProgramSummary-1990APPENDIXB-DataTblesabesbes~eeeeeeeeeeeeeeeeeeeesseseeeeeseeeeeeeeeeeeeeeeeeeeeeeeeeeseeeeeeeeeeeeseeeeeeeseeeseeeeseeeeee~e38APPENDIXC-AnalyticalProceduresSynopsis.........................................................e65APPENDIXD-SununmyofEPAInterlaboratoryComparisons...........................79APPENDIXE-HEMPSamplingandAnalyticalExceptions..................................99APPENDIXF-LanUdUUseSurveys..........................................................,................,......102APPENDIXG-SuaunaryofthePreoperationalRadiological............................111MonitoringProgramPENDIXH-SummaryoftheBlindDuplicateSampleProgram.................115APPENDIXI-SummaryoftheSpikeandBlankSampleProgram.................118APPENDIXJ-TLDuaBQualiunityControlProgram................e130

LXSTOFTABLEST~ITLPAEB-1ConcentrationsofGrossBetaEmittersinWeekly.........................................39AirborneParticulatesB-2ConcentrationsofGammaEmittersinQuarterly...........................................43CompositesofAirborneParticulateSamples8-3ConcentrationsofIodine-131inWeeklyAirCartridge...............................45Samples8-4DirectRadiationMeasurements-QuarterlyTLDResults....................,......49B-5ConcentrationsofIodineTritiumandGammaEmitters.......................,...50inSurfaceWaterConcentrationsofTritiumandGammaEmittersin............................,........53QuarterlyGroundwaterB-7ConcentrationsofGrossBeta,Iodine,Tritiumand........,..............................54GarmnaEmittersinDrinkingWaterB-8ConcentrationsofGanjaEmittersinSediment.........................................,56B-9ConcentrationsofIodineandGammaEmittersinMilk.........................,...57B-10ConcentrationsofGammaEmittersinFish.....................................................61B-11ConcentrationsofGanjaEmittersinFoodProducts.................................623-12icalKDTypLLDKDsAchieved..............................,...............................................................63 SUMMARY INDIANAMICHIGANPOWERCOMPANYDONALDC.COOKPOWERNUCLEARPLANTRADILIALENVIRNMENTALMNITRINPRThisreportsummarizesthecollectionandanalysisofvariousenvironmentalsamplemediain1990fortheRadiologicalEnvironmen-talMonitoringProgramfortheDonaldC.CookNuclearplant.Thevariousanalysesofmostsamplemediasuggestthattherewasnodiscernableimpactofthenuclearplantontheenvironment.TheanalysisofairparticulateAlters,charcoalcartridges,directradiationbythermoluminescentdosimeters,fish,water,milkandsedimentsfromLakeMichigan,drinkingwater,andfoodproducts,eitherdidnotdetectanyradioactivityormeasuredonlynaturallyoccurring,radionuclidesatnormalbackgroundlevels.Tritium.measuredatlowlevelsinon-sitewells,appearstobetheonlyradionuclideattributabletotheplantoperations.However,theassociatedgroundwaterdoesnotprovideadirectdosepathwaytoman.

I.INTRODUCTION L~lm'Rl3TtonTheDonaldC,CookNuclearPowerStation'sRadiologicalEnvironmentalMonitoringProgram(REMP)isconductedincompliancewithNRCRegulatoryGuide1.21and4.1,licensingcommitments,andTechnicalSpeciQcations.TheREMPwasdevelopedinaccordancewiththeNRCRadiologicalAssessmentBranchTechnicalPosition(BTP).Rev.1,November1979.AsynopsisofthesamplingprogramandmapscanbefoundinSectionII,SamplingandAnalysisProgram.ThisreportrepresentstheAnnualEnvironmentalOperatingReportforUnits1and2oftheDonaldC.CookNuclearPlantfortheoperatingperiodfromJanuary1,1990throughDecember31,1990.A.TheDonaldC.CookNuclearPlantofIndianaMichiganPowerCompanyislocatedonthesoutheasternshoreofLakeMichiganapproximatelyonemilenorthwestofBridgman,Michigan.Theplantconsistsoftwopressurizedwaterreactors,Unit1,1030hDVEandUnit2,1100MVE.Unit1achievedinitialcriticalityonJanuary18,1975andUnit2achievedinitialcriticalityonMarch10,1978.RObjectivesTheobjectivesoftheoperationalradiologicalenvironmentalmonitoringprogramare:1.Identifyandmeasureradiationandradioactivityintheplantenvironsforthecalculationofpotentialdosetothepopulation.2.Verifytheeffectivenessofin-plantmeasuresusedforcontrollingthereleaseofradioactivematerials.3.Providereasonableassurancethatthepredicteddoses.basedoneffiuentdata,havenotbeensubstantiallyunderestimatedandareconsistentwithapplicablestandards.4.ComplywithregulatoryrequirementsandStationTechnicalSpeciQcationsandproviderecordstodocumentcompliance.

II.SAMPLINGANDANALYSISPROGRAM II.SAMPLINANDANALYIPRRAMTableIsummarizesthesamplingandanalysisprogramfortheDonaldC.Cooknuclearplantforl990.Foreachsamplemedium,thetableliststhesamplelocations,includingdistanceanddirectionfromthecenterofthebvounits,andthestationidentiQcation.Thestationidentificationsformanofthesamplinglocationsareshownonthemaps,Figures1,2,and3.AlsoforeachsamplemediumthesamplecoQectionfrequency.typeofanalysis,andfrequencyofanalysisarelisted.

TABLE1DONALDC.COOKNUCLEARPLANT-l990RADIOLOGICALSAMPLINGSTATIONSDISTANCEANDDIRECTIONFROMPLANI'XISStationDistanceDirectionDereesCollectionEnvtronmentalLD'sONS-1ONS-2ONS-3ONS-4ONS-5ONS-6ONS-7ONS-8ONS-9ONS-10ONS-11ONS-12NcwBuffaloSouthBendDowaglacColomalntersecUonofRedArrowHwy.8cMarquetteWoodsRd,PoleNB294-44StevensvlllcSubstaUonPoleNB296-13PoleNB350-72IntersectionofShawnee&Cleveland.Pole¹B387-32SnowM..EastofHoldenRd.,NB426-1BrldgmanSubstaUonCallfornlaRd..PoleNB424-20RlgglesRd.,PoleB369-214IntersccUonofRedArrowHwy.,&HildebrantRd.,PoleNB422-152IntcrsectlonofSnowRd.&BaldwinRd.,Pole¹B423-12(A-1)(A-2)(A-3)(A-4)(A-5)(A-6)(A-7)(A-8)(A-9)(A-10)(A-'l)(A-12)(NBF)(SBN)(DOW)(COL)(OFS-1)(OFS-2)(OFS-3)(OFS-4)(OFS-5)(0FS-6)(OFS-1)(OFS-8)(OFS-9)(OFS-10)(OFS-11)59371373456457858464161341742460069916.024.026.020.03.53.04.03.23.23.52.03.03.252.62.8mmmmmmmmmmmmmlSSWmlSEmlENEmlNNEmlNNEmlNNEmlNEmlENEmlESEmlSEmlSmlSSEmlEmlSSWmlS18448090o118'89'10o36082149'27'1463'uarterlyDirectRadfaUon/Quarterly TABL1(Cont.)DONALDC.COOLEARPLANT-1990RADIOLOGICPLINGSTATIONSDISTANCEANDDIRECflONFROMPLANTAXISStationDIstanceDirectionDereeaCollectionAirCharcoalONS-IONS-2ONS-3ONS-4ONS-5ONS-6NewBuffaloSouthBendDowaglacooColoma(A-1)(A-2)(A-3)(A-4)(A-5){A-6)(NBF){SBN)(DO%)(COL)593m713m734m564m578m584m16.0mi24.0ml26.0ml20.0mlSEENENNE18o48'0O118O189o210oWeeklyGrossBeta/Weekly1-131/WeeklyGammaIsotopic/QuarterlyCompositeGroundellWaterOnslteOnslteOnslteOnsiteOnslteOnslteOnslte(W-I)(W-2)(W-3)(W-4)(W-5)(W-6){W-7)600m699m999m127m123m129m578m1163'07'0lo290'73o189'uarterlyGammaIsotopic/Quarterly-&Ourn/Quarterly1-131/QuarterlyNonTechnicalStionRelated%ellaSteamGeneratorStorageFacilitySteamGeneratorStorageFacilitySteamGeneratorStorageFacilitySteamGeneratorStorageFaclllty(SGRP-1)(SGRP-2)(SGRP-4)(SGRP-5)1215m1190m1126m1128m96o93'6o94QuarterlyGrossBeta/QuarterlyGrossAlpha/QuarterlyGammaIsotopic/QuarterlyI-131/Quarterly TABLE1(Cont.)DONAL9C.COOKNUCLEARPLANT-1990RADIOLOGICALSAMPLINGSTATIONSDISTANCEANDDIRECTIONFROMPLAÃi'XISDistanceIHrectionColiecttonWaterSt.JosephPublicIntakeLakeTownshipPublicIntakeStation(STJ)(LTD9.0mi0,40mlNEGmssBeta/14DayCompositeGammaIsotopic/14DayComposite1-131/14DayComposite'Mtlum/QuarterlyComposite8urfaceWaterCondenserCirculatingWaterIntakeLakeMichiganShorelineLakeMichiganShorelineLakeMichiganShorelineLakeMlchlganShorelineLlL-2L-3L-4L-50.24ml0.44ml0.1ml0.1mlSNSSWNNEGammaIsotopic/MonthlyComposltcMttum/QuarterlyComposite1-131/MonthlyCompositeLakeMichiganShorelineLakeMichiganShorelineLakeMichiganShorelineLakeMichiganShorelineL-2L-3L-4I50.24ml0.44ml0.1mlO.lmlSNSSWNNESemi-annuallyGammaIsotopic/Seml-AnnuallyTotzkeFarmWyantFarmSchulerFarmLlvlnghouseFarmWarmblenFarmZelmerFarmLomzackFarmBandaDowagalcBarodaLaPorteThreeOaksBrldgmanGalienTotzkeWyantSchulerLtvinghouseWarmblenZelmerLozmack4.5ml18.0mi4.25mi20.0ml7.8ml4.75ml9.0miENEESESSSSESSOnceperevery14DaysGammaIsotopic/perSample1-131perSample TABLE1(Cont.)DONALDC.COOPLANT-1990RADIOLOGICALLINGSI'AEONSDISTANCEANDDIRECHONFROMPLANTAXISDistanceDirectionDeesCoHectionONS-NONS-SOFS-NOFS-S.Imi.Im13mi5mlNSNSSemi-annuallyGammaIsotopic/Semi-annuallyGrapes,GrapeLeaves.Grapes,GrapeLeaves,~BroadleafVegetationOffsiteOffslteOnsiteIndicatorConbelVariable20milesVariableDeterminedfromoffsiteDoseCaicuhtionmanualAttimeofharvestGammaIsotopic/AttimeofharvestCompositesamplesofDrinkingandSurfacewatershallbecollectedatintervalsnottoexceed24hours,Particulatesamplefiltersshouldbeanalyzedforgtossbetaactivity24ormorehoursfollowingQlterremoval.IldswiIIallowforradonandthorondaughterdecay.Ifgrossbetaactivityinairorwaterisgreaterthan10timestheyearlymeanofcontxolsamplesforanymedium,gamma1sotop1canalysisshouldbeperformedontheindividualsamples.Pleasenotethefollowingdefenitions:Weeldy-atleastonceperevaysevenP)daysQuarterly-atleastoncepereveryninety-two(92)daysSemi-annually-atleastonceevetyonehundredeighty-four(184)days Figure1Asir,TLDStationsLLakeWaterSampleStations(Intakes)MMilkSampleStationsZONIEFS~WatervlietA.BENTONHARBOR~<y~-:ST.JH,;"'.~:'ceAisleStevensvIeD.C.COOKPLANTEauClaireIDOWAGIACII'MNewBuffolMICHIGANWDIae~BridgmanMU5IBerrienSpringsNILESjM//sect///.-1ICHIGAf4."-.CIT'If~U5eoIONewCarllsleXOIttO!SDUTH'4BEND20~<Pj:sjfgSCALEOFMILES LuAeTRUEPLANTNORTflNORTHL3"'"IPJh-l1A2HRESTRICTEDAREAPROPERTYUHEROADAAehlgon=L4SHORELINE-L2L5h-IIH-SPLANTW2ih-8765I(VYARDh-I0/~~h-9rW72,000FooTRADIUSRAILROADTRACKW3SGRP-lSGRP-5SGRP-2p.-~'HESAPE'AKE8OHIOR.R.0I10002000.'>I:AI.I:30004000I'yf".I'tgrJl0htmpl4-S"a"ious(II-ythruII-12areTI,OStatio>>sO>>ly)M-NellNaterSampleStationsI.-l.akeMater,SedimentSampleStatioiI~(l.lisaLakeMaterStationOnly)SOIII'NonTcwhSpecMel1NaterStations Figure3MAIaf'.TLDStationsWithin1-5MileRadiusofPlantOPS-1OOtmops-sOFS-3RVILIIIrOKflSYNARYWEfbIKLAb0VtIAmiles?,1OrmueCCOPS-4"WacolIIRbAbslERlCHO44NlANOPS-9)OFS-55RlOQMA4OPS-7i4IIrIJI4I4Z4SXALANOAb4OFS-1wg/"I4rPS-1%OFS-8r4OPS-.6i4AROWMTbwkRblb15 I~I'QIIII.-F%QPFt.'l+>.II'Ili8yeg(~gti~f'tII4.<</~~l)8%r.i-,~

III.SUMMARYANDDISCUSSIONOF1990ANALYTICALRESULTS15 DIINFAdiscussionofthedatafromtheradiologicalanalysesofenvironmentalmediacollectedduringthereportperiodisprovidedinthissection.Analysesofsamplesfor1990wereanalyzedbyTeledyneIsotopes,Inc.(TI)inWestwood,NewJersey.TheproceduresandspecificationsfollowedatTeledyneIsotopesareinaccordancewiththeTeledyneIsotopesQualityAssuranceManualandareexplainedfntheTeledyneIsotopesAnalyticalProcedures.AsynopsisofanalyticalproceduresusedfortheenvironmentalsamplesareprovedinAppendixC.InadditiontointernalqualitycontrolmeasuresperformedbyTeledyne,thelaboratoryalsoparticipatesintheEnvironmentalProtectionAgency'sInterlaboratoryComparisonProgram.Participationinthisprogramensuresthatindependentchecksonth'eprecisionandaccuracyofthemeasurementsofradioactivematerialinenvironmentalsamplesareperformed.TheresultsoftheEPAInterlaboratoryCompartsonareprovidedinAppendixD.Radiologicalanalysesofenvironmentalmediacharacteristicallyproachandfrequentlyfallbelowthedetectionlimitsofstate-of-the-arteasurementmethods.TeledyneIsotopesanalyticalmethodsmeetorexceedtheLowerLimitofDetection(LLD)requirementsgiveninTable2oftheUSNRCBranchTechnicalPositionofRadiologicalMonitoring,RevisionI.November1979.Thefollowingisadiscussionandsummaryoftheresultsoftheenvironmentalmeasurementsperformedduringthereportingperiod.ComparisonismadewherepossiblewithradioactivityconcentrationsmeasuredinthepreoperationalperiodofAugust19?1totheinitialcriticalityofUnit1onJanuary12,1975.AbriefsummaryofthepreoperationalprogramisfoundinAppendixG.A,AirborneParticulResultsofgrossbetaactivitiesarepresentedinTableB-1.Themeasurementofthegrossbetaactivityontheweeklyairparticulatefiltersisagoodindicationofthelevelsofnaturalandormanmade16 TrendingGraph-1403025oO20IEl51005V0P1/P2/03/04/05/-06/07/08/09/1pl1II12/0II02l03/04/05/06/07/08/09/1plIII12/89'989898989898989898989909090909090909090909090Indicators~~9~Controls radioactivityintheenvironment.Theaveragegrossbetaconcentrationofthesixindicatorlocationswas0.017pCi/m3witharangeofindividualvaluesbetween0.005and0.031pCi/m3.Theaveragegrossbetaconcentrationofthefourcontrollocationswas0.018pCi/m3witharangebetween0.005and0.036pCi/m3.InTrendingGraph1themonthlyaveragegrossbetaconcentrationsfortheindicatorlocationsandforthecontrollocationsareplotted.ThegrossbetaconcentrationsinairparticulateAltersin1990werelowerthanattheendofthepreoperationalperiodwhentheeQ'ectsoftherecentatmosphericnucleartestswerebeingdetected.AirparticulatefQterswerecompositedbylocationonaquarterlbasisryasisandwereanalyzedbygammarayspectroscopy.Beryllium-7which.isproducedcontinuouslyintheupperatmospherebycosmicradiationwasmeasuredinallfortysamples.Theaverageconcentrationforthecontrollocationswas0.075pCi/m3andthevaluesrangedfrom0.013to0.103pCi/m3.Theaverageconcentrationfortheindicatorlocationswas0.073pCi/m3witharangeof0.041to0.100pCi/m3.Thesevaluesaretypicalofberyllium-7measuredatvariouslocationsthroughouttheUnitedStates.Naturallyoccurringpotassium-40,probablyfromdust,wasmeasuredintwoofthesixteencontrolquarterlycompositeswithanaverageconcentrationof0.006pCi/m3andarangeof0.005to0.007pCi/m3.Potassium-40wasmeasuredintwoofthetwenty-fourindicatorquarterlycompositeswithanaverageconcentrationof0.005pCi/m3andarangeof0.003to0.006pCi/m3.Noothergammaemittingradioactivitywasdetected.Charcoalcartridgesareinstalleddownstreamoftheparticulatefiltersandareusedtocollectairborneradioiodine.TheresultsoftheweeklyanalysisofthecharcoalcartridgesarepresentedinTableB-3.Allresultswerebelowthelowerlevelofdetectionwithnopositiveactivitydetected.

Thermoluminescentdosfmeters(TLDs)measureexternalradiationexposurefromseveralsourcesincludingnaturallyoccurringradionuclidesintheairandsoQ,radiationfromcosmicorigin,falloutfromatomicweaponstesting,potentialradioactiveairbornereleasesfromthepowerstationanddirectradiation&omthepowerstation.TheTLDsrecordtheexposurefromallofthesepotentialsources.TheTLDsaredeployedquarterlyat27locationsin"theenvironsoftheD.C.CookNuclearPlantsite.Theaveragevalueofthereadingsofthefourareasofeachdosimeter(calibratedindividuallyaftereachGeldexposureperiodforresponsetoaknownexposureandforintransitexposure)arepresentedinTableB-4.Thoseexposureratesarequitetypicalofobservedratesatmanyotherlocationsinthecountry.Theaveragemeasurementforthe16controlsampleswas3.35mR/standardmonthandarangeof2.3to4.5mR/standardmonth..The91indicatorsampleshadameasurementof3.51mR/standardmonthandarangeof2.3to5.1mR/standardmonth.The1990annualaverageintheenvironsoftheD.C.Cookplantisatthelowrangeoftheexposurerates(1.0to2.0mR/week)measuredduringthepreoperationalperiod.TheresultsoftheindicatorandcontrolTLDsareingoodagreementandareplottedinTrendingGraph2.WLakeMichigansurfacewatersamplesfromthecondensercirculatingwaterintakeandfromfourshorelinelocations.allwithin0.5mileofthetworeactorswerecollecteddailyandcompositedmonthlyforiodine-131analysisandanalyzedbygammarayspectroscopyandcompositedquarterlyfortritiumanalysis.TheresultsofanalysesareshowninTableB-5.Noiodine-131norgammaemittingisotopesweredetected.Tritiumwasdetectedin11ofthe20samplesanalyzedwithanaverageconcentrationof254pCi/literandarangeof170to340pCi/liter.Thisisslightlylowerthantheaverageconcentrationin1989of261pCi/liter.Duringthepreoperationalperiodtritiumwasmeasuredinsurfacewatersamples19 ndingGraph-4j~V~Ig~SkI~~~~~~~y~~~~~~~Ige01/9007/901O/9O~8~TLD-ControiLocationsTLD-IndicatorLocations atconcentrationsofapproximately400pCi/liter.Naturallyoccurringammaemittingisotopesweredetectedbygammarayspectroscopy.E.rnWWatersamplesarecollectedquarterlyfromsevenwells,allwithin1000metersofthereactors.Thesamplesareanalyzedforgammaemittersandfortritium.TheresultsarepresentedinTableB-6.Nogammaemittingisotopesweredetected.Theon-sitewells4,5,and6hadmeasurabletritiumactivitythroughout1990withconcentrationsof860,977and583pCi/literrespectively.Thesemeasurementsarelowerthanthosedetectedduring1989of2300,1930,and1560pCi/liter.Tritiumwasmeasuredinfiveofthesix-teensamplesattheoK-sitelocationswithanaverageconcentrationof172pCi/literandarangeof130to230pCi/liter.TheannualconcentrationsoftritiuminthesevenweHsareplottedfrom1979through1990inTrendingGraph3.Tritiumconcentrationinwellsinthepreoperationalperiodweretypicallyabout400pCi/liter.F.DDailysamplesarecollectedattheintakeofthethepuriQcationplantsforSt.JosephandLakeTownship.Thesamplesateachlocationarecompositedbiweeklyandanalyzedforgrossbeta.iodine-131toasensitivityof1pCi/liter,andforgammaemitters.Onaquarterlybasisthesamplesarecompositedandanalyzedfortritium.TheresultsofanalysesofdrinkingwatersamplesareshowninTableB-7.Grossbetaactivitywasmeasuredinalltwenty-fivesamplesfromtheLakeTownshipintakewithanaverageconcentrationof4.1pCi/literandarangefrom2.7to10pCi/liter.Grossbetaactivitywasmeasuredinalltwenty-sixsamplesfromtheSt.Josephintakewithanaverageconcentrationof3.9pCi/literandarangefrom2.8to6.1 endingGraph-2v;vv.:C"A%.+AQ:"v..-;;:.,"i:~,T}QTmQ',,:Qf::QRO+Q)fpgi~skw+TER.:~450040003500300025002000150010005000~~~~~~~~~,0if'~~~g~19801S811982198319841985.1S861987198819891990~w~Well-1~Well-2~0IWe11-3 TrendingGraph-2(Cont.)TXUNK.:::XN;-':;GROQN9,,"%ELX"'":WATER~-:"',i9000g8000v~3Qgj5000400030002OOO100000'~~o+J'~/e~Ab,+~0s+e~~)~~~e~e,+~198019811982198319841985~~c~Well-4Well-50~~We11-6~Wel dingGraph-3150010005000r~~~~~~~~~~~ro1/e904/a907/e910/89ol/9007/9010/90~4~LakeTownship~St.Joseph pCi/liter.Nogammaemittingisotopesoriodine-131weredetectedTritiumwasmeasuredinthreeofthefoursamplesfromLakTownshipintakewithanaverageconcentrationof220pCi/literandarangeof190to240pCi/liter.TritiumwasmeasuredinonesamplefromSt.Josephintakewithaconcentrationof340pCi/liter.TritiumindrinkingwaterisplottedinTrendingGraph4.Therewerenodrinkingwateranalysesperformedinthepreoperationalprogram.SedimentsamplesarecollectedsemiannuallyalongtheshorelineofLakeMichiganatthesamefourlocationsasthesurfacewatersamples.Thesedimentsamplesareanalyzedbygammarayspectroscopy,theresultsofwhichareshowninTableB-8.InNovemberonesamplewascollectedfromeachlocationL2,L3,L4andL5.Gammammarayspectroscopydetectednaturallyoccurringpotassium-40andthorium-228inallthesamples.Theaveragepotassium-40concentrationwas5985pCi/kgwitharangefrom4930to7250pCi/kg.Theaveragethorium-228concentrationwas126pCi/kgwitharangefrom70.9to171pCi/kg.Allthemeasuredactivitiesofthenaturallyoccurringisotopeswereatbackgroundlevels.Cesium-137,attributedtofalloutfrompreviousatmosphericnucleartests.wasdetectedinthreeoftheeightsamples.Theaverageconcentrationofcesium-137was25.1pCi/kgwitharangeof18.5to30.1pCi/kg.Thatactivitylevelisoftenobservedinsoilsandsediments.Milksamplesarecollectedeveryfourteendaysfromsevenfarmslocatedbetween4.25milesand20milesfromthesite.'Ihesamplesareanalyzedforiodine-131andforgammaemitters.TheresultsareshowninTableB-9.Iodine-131wasnotmeasuredinanyofthe175samplesanalyzed.

Duringthepreoperationalperiodpotassium-40wasmeasuredinallsampleswitharangefrom520to2310pCi/liter,arangecomparabletothatin1990.Iodine-131wasmeasuredinfoursamplescollectedsoonafteranatmosphericnucleartestwithconcentrationsbetween0.2and0.9pCi/liter.Cesium-137wasmeasuredinnumeroussamplesafterthenucleartestwithconcentrationsbetween7and64pCi/liter..During1990theaveragepotassium-40concentrationforthecontrollocationsduringwas1293pCi/literwitharangeof1070to1490pCi/liter.Theindicatorlocationshadanaverageconcentrationof1302pCi/literandarangeof922to1950.Therewerenodetectionsofiodine-131orcesium-137during1990.Fisharecollectedsemiannually,whenavailable,fromfourlocationsinLakeMichiganinthevicinityofthesiteandanalyzedbgammarayspectroscopy.Naturallyoccurringpotassium-40wasmeasuredinallsampleswithanaverageconcentrationof2636pCi/kg(wetweight)andarangeof684to3840pCi/kg(wetweight).Cesium-137,attributedtopreviousatmosphericnucleartestswasmeasuredinsixoftheeightfishsamplesatanaverageconcentrationof37.8pCi/kg(wetweight)andarangeof20.3to80.1pCi/kg(wetweight).Grapes,grapeleaves,andbroadleafvegetationarecollectedannuallyatharvesttimeatoneon-sitelocationandoneoff-sitelocation.Naturallyoccurringpotassium-40wasmeasuredinallsamples'ithanaverageconcentrationof2402pCi/kg(wetweight)andarangeof889to3700pCi/kg(wetweight).Cosmogenicallyproducedberyllium-7wasmeasuredinthreeoftheAvesampleswithanaverageconcentrationof1650pCi/kg(wetweight)andarangeof1060to2700pCi/kg(wetweight).26 IV.CONCLUSIONS27 Theresultsofthe1990RadiologicalEnvironmentalMonitoringProgramfortheDonaldC.CookNuclearPlanthavebeenpresented.Theresultswereasexpectedfornormalenvironmentalsamples.Naturallyoccurringradioactivitywasobservedinsamplemediaintheexpectedactivityranges.Occasionalsamplesofafewmediashowedthepresenceofman-madeisotopes.Thesehavebeendiscussedindividuallyinthetext.Observedactivitieswereatverylowconcentrationsandhadnosignificantdoseconsequence.Specificexamplesofsamplemediawithpositiveanalysisresultsarediscussedbelow.Airparticulategrossbetaconcentrationsofalltheindicatorlocationsfor1990appearstofollowthegrossbetaconcentrationsatthecontrollocations.Theconcentrationlevelsareactuallylowerthanduringthepreoperationalperiodwhentheinfiuenceofatmosphericnucleartestswasbeingdetected.GammaisotopicanalysisoftheparticulatesamplesidentiQedthegammaemittingisotopesasnaturalproductstberyllium-7andpotassium-40).Noman-madeactivitywasfoundintheparticulatemediaduring1990.Noiodine-131wasdetectedincharcoalQltersfn1990.Thermoluminescentdosimeters{TLD)measureexternalgammaradiationfromnaturallyoccurringradionuclidesintheairandsoil,radiationfromcosmicoriginandfalloutfromatmosphericnuclearweaponstesting,andpotentialradioactiveairbornereleasesanddirectradiationfromthepowerstation.TheaverageannualTLDresultswereatnormalbackgroundexposurelevels.SurfacewatersamplescollectedmonthlyfromQvelocationsinLakeMichiganwereanalyzedforiodine,tritium,andgammaemittingisotopes.Onlytritiumwasmeasuredandtheconcentrationswereatnormalbackgroundlevels.28 Groundwatersampleswerecollectedquarterlyatsevenwells,allwithin1000metersofthereactors.Thethreewellswithin130metershadmeasurabletritiumwhichisattributedtotheoperationoftheplant.Thetritiumlevelsin1990arelowerthanin1989.Thehighestconcentrationin1990was1750pCi/literascomparedto3600pCi/Utermeasuredin1989)Thetritiumlevelsingroundwaterhavebeenplottedforthelastdecadeandindicatedecreasinglevelsoftritium.Nogammaemittingisotopesweredetected.SamplesarecollecteddailyattheintakesofthedrinkingpuriQcationplantsforSt.JosephandLakeTownship.Samplescompositedbiweeklyareanalyzedforiodine-131,grossbeta,andforgammaemittingisotopesandanalyzedquarterlyfortritium.Noiodine-131orgammaemittingisotopesweredetected.GrossbetawasmeasuredinallQftysamplesatnormalbackgroundconcentrations.Tritiumwasmeasuredinfouroftheeightsampleswithbackgroundlevelsthatwere,lowerthanthosemeasuredduring1989.Sedimentsamplescanbeasensitiveindicatorofdischargesfromnuclearpowerstations.SedimentsamplesarecollectedsemiannuallyalongtheshorelineofLakeMichiganatfourlocationsincloseproximityofthereactors.Thesampleswereanalyzedbygammarayspectroscopy.In1990onlynaturallyoccurringradionuclidesweremeasured.ThereisnoevidenceofstationdischargesaffectingLakeMichigan,eitherinthesedimentsorinthewater,aspreviouslydiscussed.Milksampleswerecollectedeveryfourteendaysfromsevenfarmsuptoadistanceof20milesfromthesite.Mesamplesweremeasuredforiodine-131andforgammaemittingisotopes.AlthoughI-131wasmeasuredduring1989therewerenomeasurementsofiodine-131inmilkin1990.Potassium-40wasmeasuredinallmQksamplesatnormalbackgroundlevels.FishsamplescollectedinLakeMichiganinthevicinityofthenuclearplantwereanalyzedbygammarayspectroscopy.Theonlygammaemittingisotopemeasuredwascesium-137whichwasinvery lowconcentrations,typicalofthosefoundinotherpartsofthecountryandwhichareattributedtopreviousatmosphericnucleartests.Foodproducts.consistingofgrapes,grapeleaves,andbroadleafvegetationwerecollectedandanalyzedbygammarayspectroscopy.Theonlygammaemittingisotopemeasuredwascesium-137,againattributedtopreviousatmosphericnucleartests.Theresultsoftheanalyseshavebeenpresented.BasedontheevidenceoftheradiologicalenvironmentalmonitoringprogramtheDonaldC.Cooknuclearplantappearstobeoperatingwithinregulatorylimits.Tritiuminfiveon-sitewellsappearstobetheonlyradionuclidewhichcanbedirectlycorrelatedwiththeplant.However,theassociatedgroundwaterdoesnotprovideadirectdosepathwaytoman.30 V.REFERENCESl.UnitedStatesNuclearRegulatoryCommission,RegulatoryGuide4.8"EnvironmentalTechnicalSpecificationsforNuclearPowerPlants",December1975.2.IndianaMichiganPowerCompany,D.C.CookTechnicalSpecifications,Units1and2.3.USNRCBranchTechnicalPosition,"AcceptableRadiologicalEnvironmentalMonitoringProgram",Rev.1,November1979.4.EberlineInstrumentCompany.IndianaMichiganPowerCompany,"D.C.CookNuclearPlantRadiologicalEnvironmentalMonitoringProgram-1974AnnualReport",May1975.5.DataTablesfrom1985-1988CEP-AEPSCAnnualRadiologicalEnvironmentalMonitoringProgramReports.6.UnitedStatesNuclearRegulatoryCommission,RegulatoryGuide1.4"ProgramsforMonitoringRadioactivityintheEnvironsofNuclearPowerPlants",April19?5.7.UnitedStatesNuclearRegulatoryCommission,RegulatoryGuide1.21"Measuring,Evaluating,andReportingRadioactivityinSolidWastesandReleasesofRadioactiveMaterialsinLiquidandGaseousEffiuentsfromLight-Water-CooledNuclearPowerPlants,April1974.

APPENDIXARADIOLOGICALENVIRONMENTALMONITORINGPROGRAMSMNMARY RADIOLOGICALENVlRONMONITORINGPROGRAMSUMMARYINDIANAMICHIGANPONERCOMPANY-DO~COOKNUCLEARPLANTDOCKETNO.~15/BERRIENCOUNTYJANUARY1toDECEMBER31.1990MEDIUMORPATHWAY1%7fhLNUMBERSAMPLEDOFANALYSESUNII'FMEASUREMENIIPERFORMEDMEANta/b)RANGENhMEMEhNDISHPANCEANDDIRECIIONRANGECONIROLLOCATIONNONROVIINEMEhNREPORIEDRANGEMEASUREMENThlrIodine(pCl/m3)1-131520-(0/312)N/AN/A-(0/208)AirbornePartlculatce(1E-03pCl/m3)'rossBeta510(Weekly)17.2(306/306)(5.1-31)NBF16.0mlSSW18.4(51/51)(4.8-36)17.7(204/204)(4.8-36)Gatnma40Be-74073.3(24/24)(40.6-99.6)SBN24miSE83.2(4/4)(52.3-103)74.9(16/16)(13.3-103)K-40404.63(2/24)(3.21-6.04)NBF16.0mlSSW6.74(1/4)5.76(2/16)(4.77-6.74)DirectRadiationGanuna107(mR/StandardDoseMonth)Quarterly3.51(91/91)(2.3-5.1)113.8mlS4.28(4/4)(3.6-5.1)3.35(16/16)(2.3-4.5)la/b)RaUoofsampleswithdetectableacuvltytototalnumberol'samplesanalyzed.

RADIOLOCIchr.F2AURONMENTALMONITORINaPROGRAMSUMMARYINDIANAMICHIGANPOWERCOMPANY-DONALDC.COOKNUCLEARPLANTDOCKETNO.50-$15/~16BERRIENCOUNTYJANUARY1toDECEMBER31,1990MEDIUMORPATHWAY'1QTALNUMBERSAMPLEDOFANALYSESUNII'FMEASUREMENIIPERFORMEDMEANIa/b)RANGENAMEMEANDISI'ANCEANDDIRECI1ONRANGECONIROLLOCATIONNONROVIINEMEANREPORIEDRANGEMEASUREMENDSnrlaeeWater(pCl/IIter)H-324Gamma65K-406571.5(2/65)(66.3-76.6)254(11/20)(170-340)~0.33mlSSW71.5(2/13)(66.3-76.6)L-50.1mlNNE265(4/4)(190-340)-(0/0)-(0/0)GroundWater(pCl/liter)Gamma28-(0/28)N/AN/A-(0/0)H-328580(14/28)(120-1700)Well5O.lmlWNW977(3/4)Onslte(530-1700)-(0/0)1-13152DrhddngWaterGrossBeta52(pCI/liter)4.0(52/52)(2.7-10)-(0/52)N/AN/ALVP0.40mlS4.1(26/26)(2.7-10)-(0/0)-(0/0)Gatnma52H-3-(0/52)250(4/8)(190-340)N/AN/ASTJ9.0mtNE340(l/4)-(0/0)-(0/0)(a/b)oofsamplesvrtthdetectableacuitytototalnumberofsampl RADIOLOGICALENVIRONMEMONITORINGPROGRAMSUMSLRYINDIANAMICHIGANPOWERCOMPANY-DO.COOKNUCLEARPLANT,DOCKETNO.50-915/BERHlENCOUNIYJANUARY1toDECEMBER31,199QMEDIUMORPhTHWhYSAMPLEDUNITOFMEASUREMENT%OTALNUMBEROFANALYSESPERFORMEDMEANta/b)RANGENhMEMEhNDISTANCEANDDIRECfIONRANGECONIROLUX'hllONMEhNRANGENONROUIINEREPORTEDMEASUREMFNT:Sediment(pCl/kgwet)Gatmna8K4Q85985(8/8)(4930-7250)L-50.35mlNNE6380(4/4)(5700-7060)NoContxolCs-137825.1(3/8)(18.5-30.1)L-50.35mlNNE30.1(1/2)NoControlTh-2288126(8/8)(70.9-171)L-40.33miSSN135(2/2)(116-154)NoControlMlle(pCI/liter)Gamma175K-401751302(125/125)(922-1950)Shuler4.25mtSE1376(25/25)(922-1950)1293(50/50)(1070-1490)l-131176-(0/125)N/A-(0/60)(a/b)Ratioofsampleswithdetectableacuvttytototalnumberofsamplesan~ed.

RADIOLOGICALENVIRONMENTALMONITOIUNGPROGRAMSUMMARYINDIANAMICHIGANPOWERCOMPANY-DONALDC.COOKNUCLEARPLANTDOCKETNO.HM15/QM16BERRIENCOUNTYJANUARY1toDECEMBER31,1990MEDIUMORPATHWAY%FATALNUMBERSAMPLEDOFANALYSESIUNrrOFMEASUREMERQPERFORMEDMEAN{a/b)RANGENAMEMEANDISTANCEANDDIREC11ONRANGECONIROLLOCATIONMEANRANGENONROUTINEREPORfEDMEASUREMENI".Phh(pCl/kgwet)K-402636(8/8)(684-3840)OFS4outhSmlN3575(2/2)(3310-3840)-(0/0)Cs-13737.8(6/8)(20.3-80.1)OFS-North3mlN80.1(1/1)-(0/0)Pood/VcgetathmGamma(pCl/kgwet)Be-7K-401650(3/5)(1060-2700)2402(5/5)(889-3700)SectorHVariableSectorEVariable2700(1/2)2830(2/2)(2300-3360)-(0/0)-(0/0)(a/b)oofsampleswtthdetectableactlvltytototalnumberofsampled.

APPENDIXBDATATABLES38 TABLEB-1INDIANAMICHIGANPOWERCOMPANY-DONALDC.COOKNUCLEARPLANTCONCENTRATIONSOFGROSSBETAEMKIKRSIN%EEKLYAIRBORNEPARHCULA'IKSResultslnUnitsof10-3pCI/m~t2sigmaCOLUEIIONh-1DATESh4h4STA'GONCODESh-5h4CobmaDaaaghcNeoBufSouthBendhveragek2e.d.01/08/9001/15/9001/22/9001(29(9028t225k216+219%230%2291226%223%217+216t219t2184229t226k218+219%228k226k217t218+227k228%229%224k224t224%216%218%218t220%220%220%236t220%22li220k235k222k2l8%217%230%624k418%319%2M02/05/9002/12/9002/19/9002/26/9018%215m218%217'17t2131216%215%2172218%21722161215%215m215m215m216%21512171219%219%218%220%.2l92219%2171217%2162217%21822172216%215%223k222k221%217%216t3161216%52IR21913l8%2171303/05/9003/12/9003/19/9003/26/9004/02/9021%218%220%217%213%214%212%212%213%219%219%218%29k110%111%220%219%214%213%212%213t2l7%218t2IO+110t122k215t214%219%212%220%222%214%214%2122212%218%218%2llk2102223k216%212t218m211%223k2l6%2l5%217'12%221%315%313'18%2lit2gtggt~hvg.18%1018%1117%1018%1017%1018%818%91821020k1S19%1118%242Sigma B-l{~)INDIANAMICHIGANPOWER-DONALDC.COOKNUCLEARPLANTCONCElflRA1IONSOFGROSSBETAEMITIERS1N%EEKLYAIRBORNEPAR11CULATESResultsinUnitsof10-3pC)/m>k2sigmaCOLXZCTIONh-1DATESSl'ATlONCODESh-5hAColoenaDawagtacNeerBuESouthSendhveragek2s.d.04/09/9016%216%214%216%204/16/9018+215%28%215%204/23/90(a)04/30/9016+216%214%214%215+216%218%217m214+2164215t216t217%215+2162215%215%217t218%2162217m2172216t216%616+305/07/9005/14/9005/21/90OS/28/90151214m26t2at217%214k214%215%2Sx26a29i262216%215%2]3+28a16i26k29k29i214%213%213%213%2St210+29k210t2162214t28%2102215%215+2llk210t215%2142210+210%2161213'7+59X306/04/9006/11/9Q06/18/9006/25/9007/02/909k210%219%26i214%29a2lie218%28t216+210%210+28%29k=29%211%210%29i210%211t216%216%217%27k215%29%27%29t2122210k217%217%217%218%218%29%212+215+28+216+212'11%219+211+215+212%212t216w29t219'10k.3lla216%79k417%3Qus~hvg.1$%918k.811%812%81%X812%91St8X2Sigma1st614%814%7-18%2la)Samplesinadvertentlylostatthelaboratory TABLEB-1(cont.)INDIANAMICHIGANPO%ERCOMPANY-DONALDC.COOKNUCLEARPLANTCONCENNA'IIONSOFGROSSBETAEMITIERSINWEEKLYAIRBORNEPARIICULATESResultsInUnttsof103pCI/m322sfgmaCOLUMh-1DATESh4SI'A'GONCODESh-5A4ColomaDawaghcNe'erBuffSouthBendhveragoR2s.d.0?/09/9007/16/9007/23/9007/30/9014%213%214%215+215%214%2l2%213%2152213%216%213%215%212%2ilk2l3i213%213%216%216+213+217%213%214+212%215%217%218%214%217%217%216+216%213%217%221+216a215m217%218%214+313+215+417%408/06/900&/13/9008/20/9008/27/9009/03/9016'15%214%212%227*210+215%214%29k228a211+216%214t2llk227k2lp+215%215'llk226a212+215%215k28%230%2lit2101213+2l2%217%21322132216%2(a)16229k211%261126%226%2252219%318%216+212%227k213%2-16%217%2l3%227k213+615%415%3lpt427k309/10/90l9+220%220%2202221k2l9t221%2192223k221%220%309/17/9018%220a220%224k219%222k2l5%219%218%220%220+509/24/9013*212%212%2124212k2Ilk213%211%214t211%2l2%21P/Pl/9022m220+226+222'21t219m219+221X223+23113.2217let91st1016a916+1116%1115+1016%915Xlp1st918+ll16%2a2Stgma(a)Voge.

TS-1(~.)lNDIANAMICHIGANPOWER-DONALDC.COOKNUCLEARPLANTCONCERIRA1IONSOFGROSSBETAEMITIERSlN%EEKLYAIRBORNEPARTICULATESResultsinUnttsof10-3pCl/m322sigmaCOLU~CTIONh-1DhTESh2STATIONCODESh-5h4CobmaDcwsgfacNewStd'outhSendhvexageR2s.d.10/08/9010/15/9010/22/9010/29/9016%2112216%218+217%217%210%211%223+217%216%218%216%216%214k212%218%218%218t219%216+2llk213%217%217~215+2122211%217t216%219+217%216%212%219%218+217%213%3172217%216%112%217')8a2ll/05/90ll/12/90ll/l9/901l/26/9012/03/9027k218a229'30m218'28k223f229f229X219a227%225a226a2281220+228%224k230'28m220+229%223k23lt227k217%226k228%231%521%220%223%229%327k226%226%226%228*227k227%2292228%217%220a221%2-21%229k225k226k224k221%227'24'28+428%319%312/10/9012/17/9012/24/9012/31/9023k221%230%224k224k223k229X228%226k224k227k227%225k223k228%224k223k222%231%224k223k223k228%224k223%220R22722194223%223k223124.8%1.228+2302298010.08(a]26k222k222k22?k216%424k221%ll29%324%8Quarterhmage22i12L2s.d.Annualhverage17%12k2s.d.23%122SR1123%1022k1221%1121k1022%1S17%121741217%1217%1$lVEll17%1017%1221%1421%1022k218k1218k111VR1(a)Lowsamplevolume;notIncludedInaverages.Fttterltghttndtspoettton.

TABLEB-2INDIANhMICHIGANPOWERCOMPANY-DONALDC.COOKNUCLEARPLANTCONCENTRA'IIONSOFGAMMAEM11TERS~INQUARIERLYCOMPOSrIESOFAIRBORNEPARIICULA'IESResultslnUnttsof10-3pCI/m~k2sigmaStathmsNuelldesHratQuarter011SecondQuarter04/er/oooo/90ThirdQuarterOr02/00-10/01FourthQuarter1001/00.1Q/Si/90hvexage12ad.h-1Be-7K-40Cs-134Cs-13782.2t8.2<3<0.2<0.297.0k9.7<6<0.2<0.360.8+5.1<4<0.1<0.268.2k7.0<5<0.3<0.374.6239.4h4Be-7K-40Cs-134Cs-13780.1R8.0<4<0.2<0,299.6k10.0<5<0.2<0.349.3a4.9<<6<0.2<0.381.2%8.1<6<0.3<0.377.6a41.7h-3Be-7K-40Cs-134Cs-137?2.427.2<4<0.2<0.273.1k7.3<6<0.4<0.343.4k4.3<10<0.3<0.376.7k7.7<7<0.3<0.366.4t30.9Be-7K-40Cs-134Cs-13785.3+8.6<3<Q.l<0.185.3%8.5<7<0.3<Q.349.6i6.0<6<0.2<0.279.527.9<4<0.2<0.274.9234.2h-5Be-7K-40.Cs-134Cs-13777.0%7.7<3<0.2<0.294.0%9.46.04k2.19<0.2<0.2,40.624.1<9<0.3<0.396.249.6<10<0.4<0.477.0251.46.04k.2.19~7yplLLDsarefoundtnTableB-12.

B-2(Gant.3INI)lhNAMICHIGhNPOWER-DONhLDC.COOKNUCKZhRPLhNTCONCENTRA'IIONSOFGAMMAEMITIRS'NQUARIERLYCOMPOSITESOFAIRBORNEPARIICULA1ESResultsinUnitsof10-3pCI/m3+2sigmaNucildesFIrstQuarter0101SecortdQuarter04/ThIDIQuarterCrlXR/00-101FourthQuarter1001la/SlBe-7K-40Cs-134Cs-13785.0%8.53.21k1.22<0.1<0.277.428.3<20<<0.4<0.444.8%4.5<5<0.2<0.271.5%7.2<4<0.2<0.269.7%35.03.21k1.22Be-7K-40Cs-134Cs-13790.6%9.1<4<0.2<0.299.6410.0<6<0.2<0.239.8k4.0<4<0.2<0.278.7k7.9<5<0.3<0.277.2S52.7DowaghcBe-7K-40Cs-134Cs-13782.6*8.3<7<0.2<0.281.8%8.26.10%2.76<0.2<0.248.3k4.83.44+l.?7<0.2<0.29Q.7a9.1<10<0.4<0.475.9237.64.77a3.76NewBuIMoBe-?K-40Cs-134Cs-137102410<6<0.2<0.292.1k9.26.74k3.28<0.4<0.345.4k4.5<5<0.3<0.313.3t3.9<3<Q.2<0.26.32282.86.7443.28SouthBertdBe-7K-40Cs-134Cs-137103410<4<0.2<0.294.9k9.5<7<0.3<0.352.3a5.2<10<0.4<0.482.7R8.3<5<0.3<0.283.2k44.5'FypicalLLDsarefoundinTableB-12.

INDIANAMICHIGANPOWERCOMPANT-DONALDC.COOKNUCLEARPLANTCONCENTRATIONSOFIODINE-131INWEEKLYAIRCARIRIDGESAMPLESResultstnUnitsof10-~pCl/m~22sigmaCOLLRCT105h-1DATESSTA'IIONCODESh-5hACoIacaaDowaghcNewBufmaloSouthBc'1(08/9001/15/9001/22/9001/29/90<20<20<20<20<2Q<20<20<20<20<2Q<20<20<20<10<20<10<20<1Q<20<10<10<10<20<20<10<20<10<20<10<20<10<20<10'10<10<20<10<10<10<2002/05/9002/12/9002/19/9Q02/26/90<20<-20<10<10<20<20<10<10<20<10<10<1Q<20<10<10<10<10<10<10<10<20<10<20<10<20<10<20<10<20<10<20<10<10<10.<.10<10<20<10<20<1003/05/9003/12/9003/19/9003/26/9004(02/90<20<10<20<10<20<20<10<20<10<20<20<<10<20<10<20<20<10<20<10<20<10<10<10<10<10<20<20<10<10<20<20<20<10<10<20<20<20<10<10<20<20<10<e<10<10<10<20<10<10<20

~(cant.}INDIANhMICHIQANPOWERhNT-DONhlSC.COOKNUCLEARPLANTCONCEW1RAZIONSOFIODINE-131INWEEKLYAIRCARMDGESAMPLESResultsinUnitsof103pCt/msk2stgmsCOIN%'IIONh-1DhTESSTATIONCODESh-5CehxaaDowagheNewButMoSouthBend04(09/9004(16/90Q4/23/9Q04/30/90<20<20<20<9<20<2Q<20<10<20<20<20c10<20c20<20<10<10<10<10<10<10<20<20c10<10<20<20<20<10<20<20<20<<10<10c10<20<10<20<20<2005/07/9005/14/90o05/21/9005/28/90<20<20<<10<20<20<20<10c10<20<20c10<10<20<20<10<10<10<10<10<10<20<10<2Q(20<2Q<10<30c20<20<10<20<20<20<<9<10<20<20<10<20<2006(04/90Q6/1I/9Q06/18/9006/25/9007/02/90<20<20<10<20<10<20<20<10<20c10<20<20<10<20c10<20<20<10<20<10c10<10<10<<10c10<20<20<10<20<20<20<20<10<20<20<20<20<10<20<20<10c10<10<10<10<20<20<10<20<20 ThBLEB-3t~)INDIhNhMICHIQhNPOWERCOMPACT-DONhLDC.COOKNUCLEhRPLhNTCONCENIRhlIONSOFIOD1NE-1311NWEEKLYAIRChIGRIDGEShMPLESResultstnUrdtsof10-3pCt/m~42sigmaCOLLECTIONh-1DhTESSTh1IONCODESh-dh4CoiamaDowagacNewBufKaloSouthSead07/09/9007/16/9007/23/9007/30/90<20<10<20<20<20<10<20<20<20<10<20<20<20<10<20<20<10<7<10<10<20<7<10<20<20<7<10<20(20<7<10<20<10'<6<10<10<20<7<10<20~UiJJS08/06/9008/13/9008/20/9008/27/9009/03/90<20<10<<20<<20<10(20<<10<20<20<10(20<10<20<20<10<20<10<20<20<10(10<10<10<10<8<10<10<10<10<20<10<10<20<10<20<10<10<10<10<20<20<10<10-<10<10<10<10<10<10<2009/10/9009/17(9009/24/9010/01/90<20<20<60<20<2Q<2Q<60<20<2Q<20<60<20<20<20<60<20<10<10<50<10<20<20<20<20<20<20<20<20<20<20<20<20<10<20<10<20<20<20<20<20

~(Ccat.)INDlhNAMICHIQANPOWER-DONALDC.COOKNUCLRhRPldWTCONCENTRATIONSOFIODINE-131IN%EEKLYAIRCARIKDGESAMPLESResultslnUnitsof10-3pCl/m>k2sigmaCOLLECTIONA1DATESSl'A'IIONCODESh-Ih4CoiauaDowagfacNewBuffo8oaQaBeadE10/08/9010/15/9010/22/9010/29/90<20<20<20c10<20<20<30<20<80(a)<2Q<2Q<10<20<20<20<10<10<1Q<10<10c10(20c20<20<1Q<20<20<20<10<20<<20<20<10<20<10<10-<10<20<20<20ll/05/90ll/12/90ll/19/90ll/26/9012/03/90<20<20<20<30<10<20<20<20c30<10(20<20<20c30c10<20<20<10c30c10<10<10<10<20<10<10c20<10c10<10<10<20<10<10<10<30<20<<10<10<10<7<20<7<10<10<10<20<10<10<1012/10/9012/17/9Q12/24/9012/31/90<20<20<20<20<20<20<20<20<20<20<20<20<20<20<20<20c10<10c10<10<20-<20c10<20<20c20<20<20<20<10<20<10<20<20<600{b)<10<20<20<20<50(a)LLDnotmetduetolowsamplevolume.Unitwasoutforrepatrs.(b)LLDnotmetduetolowsamplevolume.

TABLEB-4INDIANAMICHIGANPOWERCOMPANY-DONALDC.COOKNUCIZARPLANK'IRECTMEASUREMENTS-QUARIKRLYTINRESUL'ISResultstnUnttsofmR/standardmonthSThTIONCODESFIRSTQUARTEROl20NHN2290SECONDQUARTER042290072990THIRDQUARTER072990-102890FOURTHQUARTER102890012791hVERAGEi2s.d.A-1A-2A-3A-4A-5A-6A-7A-8A-9A-10A-11A-12OFS-1OFS-2OFS-3OFS-4OFS-5OF$4OFS-7OFS-8OFS-9OFS-10OFS-11NBFSBNDOWCOLhveragoi2s.d.3.3k0.23.6i0.33.6i0.33.3%0.33.4i0.43.3A0.33.6%0.13.4%0.23.8t0.33.3i0.22.8I0.33.8i0.23.5i0.43.6i0.23.7R0.24.0i0.33.8t0.33.8%0.23.5i0.14.6i0.44.040.13.5i0.24,4k0.339i033.6i0,23.1i0.13.2k0.20.73.2t0.13.2i0.23.3i0.12.9+0.23.1i0.13.0iO.l3.3i0.13.2t0.13.6i0.2?Sk0.13.4x0.13.6i0.33.2i0.23.4i0.13.6i0.23.7i0.33.6i0.3(a)3.3k0.14.1i0.33.9i0.23.5i0.24.0i0.43.5i0.43.510.22.9i0.12.9i0.1$.4i0.73.8i0.14.0*0.33.7i0.23.6i0.23.8i0.13.5k0.23.8S0.23.9i0.24.1i0.43.7i0.34.2t0.54.1i0.43.9i0.24.1t0.34.3i0.44.6i0.24.6R0.35.1i0.44.1t0.34.9t0.34.3a0.34.1t0.35.1X0.44.2k0.34.6i0.43.7i0.23.7i0.24.1%0.92.5i0.32.8+0.32.8i0.22.3i0.22.5%0.32.4A0.22.7i0.42.6i0.42.8i0.42.5i0.32.8%0.32.9k0.22.7i0.52.8+0.33.3i0.73.1t0.43.0i0.43.8R0.52.8t0.53.6i0.53.2i0.42.6t0.43.6i0.43.0*0.33.2i0.42.4A0.22.3i0.23.2i1.13.4i1.03.4i0.83.0i1.13.2t1.13.1t1.03.4%1.03.3+1.13.6i1.13.1k1.13.3i1.33.6i1.03.3i1.03.5t1.13.7i0.83.9i1.23.7i1.24.2t1,63.4L1.14.3i1.13.9k0.93.4i1.24.3i1.33.7i1.03.?k1.13.0%1.13.0X1.2S.S0~Smonth30.4days.{a)recageandenuretelephonepolemtsslngatumeofILDmcusge.

TABLEB-5INDIANAMCHIGANPOWERhNV-DONhLDC.COOKNUCLEARPLANT-'ONCENIRA11ONSOF1ODINE.'IRfBUMANDGAMMAEMTIKRS'NSURFACEWATERResultstnUnitsofpCl/literk2signaSTATION1-1$1Ll(CondenserCirc.)Ol/ll/9002/08/9003/08/9004/05/9Q05/03/9005/31/9006/28/9007/20/9008/23/90Q9/2Q/9010/18/90ll/16/9012/13/90<0.9<0.3<0.3<0.2<0.2=<<0.3<0.3<0.1<Q.2<0.2<0.2<0.2<0.2<60<60<60<40<70<80<40<50<50<60<50<<50<100<100<100(100<200I2(SouthComp)Ol/ll/9002/08/9003/08/9004/05/9005/03/9005/31/9006/28/9007/26/9008/23/9Q09/20/9010/18/90ll/16/9012/13/90(a)<0.3<0.2<0.2<0.4<0.6<0.2<0.1<0.3<0.2<0.2<0.3<0.1<80<90<40<90<50<200<60<60<50<50<90<40<100170%6Q300k70<<200TypicalLLDsarefoundlnTableB-12.Allothergammaemltterswerebelow<<LLD.(a)Samplenotavailableduetotceontheshoreline.

TABLEB-5(Cont.lINDIANAMICHIGANPOWERCOMPhNY-DONhLDC.COOKNUCLEARPLANTCONCERIRATIONSOFIODINE.'IBlTIUMAND(dLMMAEMITIERS'NSURFACEWATERResultslnUnitsofpCl/ltter*2stgmaSTATIONK-40IrS(NorthComp)01/ll/9002/08/9003/08/9004/05/9005/03/9005/31/9006/28/9007/28/9008/23/9009/20/9010/18/90il/15/9012/13/90(a)<0.2<0.3(0.2<0.2<0.3<0.2<0.2<0.1(0.2<0.2(0.2<0.2<70(60<70<50<40<50<100<<50<70<<100<100<4022Qk80170260320k10024Q%80(South600)Ql/11/9002/08/9003/08/9004/05/9005/03/9005/31/9006/28/9007/28/9008/23/9009/20/90.10/18/9011/16/9012/13/90(a)<0.3<<0.3<0.2<0.2<0.3<0.2<0.1<0.2<0.2(0.2,<03<0.1<10076.6a30.1<60<<100<60<4066.3k25.6<100<100<50<60<6023Q48Q250a100190%100<200TypicalLLDsarefoundinTableB-12.Allothergammaemitterswercbelow<<LLD.(a)Samplenotavatlableduetolceontheshoreltne.

TABLEB-5(Cont.iINDIANAMICHIQANPOWERhNY-DONhLDC.COOKNUCLEARI%AÃI'ONCENIRA'GONSOFIODINE,TRITIUMANDGAMMAEMITIKRS'NSURFACEWATERResultslnUnitsofpCl/literk2sigmaSTATIONLS(North500)01/ll/9002/08/9003(08/9004/Q5/9005/03/9005/31/9006/26/9007/26/9008/23/9009/20/9010/18/90ll/15/9012/13/90(a)<0.3<Q.S<0.2<0.2<<0.4<0.3<0.1<0.2<0.2<0.2<0.3<0.2<60<90<70<100<50<70<50<80<60<50<50<1QQ230480300k90190k100340a907yptcalLLDsarefoundlnTableB-12.(a)Samplenotavaihbteduetoiceontheshoreline.

TABLEB6INDIANhMICHIGANPOWERCOMPANY-DONhLBC.COOKNUCLEARPLANTCONCENIRATIONSOFTRGIUMANDGAMMAEMTIKRS'NQUARTERLYGROUNDWATERResultsinUnitsofpCI/literk2slgrnaSThTIONCollectionDateI-181Gama'Well-1RosemaryBeachWell-2'IhclnlngCenterWell-SFlrearnrsRangeWell-4Onslte02/03/9005/06/9008/05/90ll/03/90Q2/Q3/9005/06/9008/05/9011/03/9002/03/9005/06/9008(05(90ll/03/9Q02/04/9005/06/9008/05/9011/04/90<O.l<0.1<O.l<0.1<0.2<0.2<O.l<O.l<0.2<Q.l<0.2<0.1<0.2<0.2<O.l<O.l<LLD<LLD<LLD<LLD<LLD<LLD<LLD<LLD<LLD<LLD<LLD<LLD<LLD<LLD<ILD<ILD<100<200<200230280130a80<200<200<90<200<200170t100<9014502500320R100<1000810%80Well-dOnslteWeII-6OnslteWell-7QvingstonBeachhvaaget2a.d.02/04/9005(06/9008(05/9011/04/9002/04/9005/06/9008/05/9011/04/9002/03/9005/06/9008/05/90ll/03/90<0.2<0.1<0.1<0.1<0.2<0.3<O.l<O.l<0.2<0,2<O,l<0,1<ILD<ILD<LLD<LLD<ILD<ILD<ILD<LLD<LLD<LLD<LLD<LLD1700R500700R100<10005302801300k500260k100<1000190k1QO210R90<200<200120k60d80%1078'PyplcalLLDsarefoundlnTableB-12.

TABLEB-7INDIANAMICHIQANPO%ERC-DONALDC.COOKNUCLEARPLANTCONCENTRA'IIONSOFGROSSBETA,lODlNUMANDGAMMAEMHTERS'NDRINKINGWATERResultslnUnitsofpCl/literk2sigmaCOLLI"CTIONDATELateTemashipQl/11/9001/25/9002/08/9002/22/9003/08/9003/22(9004/05/9004/19/9005/03/9005/17/9005/31/9006/14/9006/28/9Q07/12/9007/26/9008/09/9008/23/9009/06/9009/20/9010/04/9010/18/90ll/01/90ll/15/90ll/29/9012/13/9012/27(904.0i3.743.6i1.01.0IOX2.05.8i3.2k3.5i3.8i3.0i1.11.00.91.01.03.5i1.04.0%1.12.7X0.95.1i1.23.3i0.94.2i3.4i3.2k3.9i5.0x4.2k3.3i2.9i3.8i4.3i4.6a4.4k1.11.10.91.01.11.01.01.01.01.Q1.11.02.84.1JAveragek2s.d.7yplcatLLDsarefoundlntable8-12.<LLD<LLD<LLD<LLD<LLD<LLD<LLD<LLD<LLD<LLD<LLD<LLD<LLD<LLD<UD<LLD<LLD<LLD<LLD<LLD<LLD<LLD<LLD<<LLD<LLDIodine-1$1<0.4<0.4<0.2<0.1<0.3<0.1<0.2<0.5,<0.2<0.3<0.1<0.4<0.5<0.2<0.2<0.3<0.4<0.2<0.4<0.3<0.4<0.2<0.4<0.2<0.2<0.3230i9019046Q<100240k80220k5$

TABIDB-7tcont.)INDIANAMICHIGANPOWERCOMPANY-DONALDC.COOKNUCLEARPLANTCONCENTRATlONSOFGROSSBETA.1ODINE.'IMIIUMANDGAMMAEMITIERS'NDRlNKlNGWA'IERResultslnUnttsofpCt/ltter22stgmaCOLUKTIONBATEGamma8ItxQne-131Ol/11/90Ol(25/9002/08/9002/22(9003/08/9003/22/9004/05/9004/19/9005/03/9005/17/9005/31/9006/l4/9006/28/9007/12/9007/26/9008/09/9008/23/9009/06/9009/20/9010/04/9010/18/9011/Ol/90ll/16/90ll/29/9012/13/9012/27(90Averagek2a.d.4.4i1.24.1%1.02.8k1.04.6k1.66.1+1.24.7%1.14.3R1.03.6R1.03.2%1.03.2+1.03.7t1.03.2R1.02.8i1.03.2a0.93.8a1.03.1a1.13.9a1.03.1k0.94.141.04.6i1.03.6i1.04.141.14.3a1.04.2R1.04.6-a1.15.1x1.1$.9+lJS<LLD<LLD<LLD<LLD<LLD<LLD<LLD<<LLD<LLD<LLD<LLD<<LLD<<LLD<<LLD<LLD<LLD<LLD<LLD<LLD<LLD<LLD<LLD<LLD<<LLD<LLD<LLD<0.3<0.3<0.3<O.l<0.3<<O.l<0.2<0.4<0.2(0.3<0.3<0.4<0.3<0.3<0.2<0.3<0.3<0.1<0.4<<0.3<0.3(0.2<<0.5<0.3<0.3<0.4<200340~80<100 TINDIANAMICHIGANPOWERCO-DONALDC.COOKNUCLEARPLANTCONCENTRATIONSOFGAMMAEMITTERS'NSEDIMENTResultslnUnitsofpCI/kg(wet]k2sigmaStattonColleettonDateBe-7KAOCs-187Ra-22BT?I-228L-2L-3L-5L-3L-4L.505/15/9005/15/9005/15/9005/15/9011/15/9011/15/90ll/15/9011/15/90<300<300<100<200<<100<100<100<2006260k6307250a7306000~600-7060k7104930k4905440k540524025205700k570<20(2026.7R9.930.1211.8<20(2018.5k10.4<20<300<300(200<300<200(200(200(300101X27171226154R20147'5144k1470.9k9.9116k19108213Averagei2a.d.8988%167028.1t11.9126%BBlppicalI.I.Dsarefoundlntable0-12.

TABLEB-9INIHANAMCHIGANPOWERCOMPhNY-DONhLDC.COOKNUCLEARPLANTCONCENTRAGONSOFIODINEANDGAMMAEMITIERS'NM)LKResultslnUnitsofpCl/literk2sigmaCOLLISIONANALYSISSHULERDATESSTATIONCODESIlMEhCKWARlHBIENZELMERMUNGHSOl/12/90K-401-1311310k1301240k120<0.3<0.21270k130<0.21150k1201260k1301140t1101200k120(0.2<0.2<0.2<0.201/26/90K-401-1311600k160'1290k130<0.1<O.l1060k110<0.2136021401350k1301300k13013702140<O.l(0.2<0.2<O.l02/09/90K-40I-1311260k1301200k1201320k1301180k1201690t17012602130126Qa130<0.2<0.2<<O.l<0.2<0,3<O.l(0.102/23/90K-401-131126021301290k130(a)1350k130<0.2<0.2<0.21320R130<0.21050k110(0.2131Qk130<0.113404130<O.l03/09/90K-401-1311360k1401370k140lb)1340k1301350k1401240k12Q138041401180k120<0.2<0.1<O.e<0.2<0.2<0.1<0.203/23/90K-40I-1311250k1201200k120<0.2<0.11300a130<0.2137Qk140<O.l1390k140(0.21280k1301420+140<0.2<0.2TypicalLLDsarefoundlntableB-12.Allothergammaemltterswere<<L(a)MUkesalermadeearlypick-up.NomUkleltlntank:makeupslb)Noavailableatco))ection;make-upsamplecollected03/11/90.llected2/25/90.

B-9(cont.)INDIANAMICHIGANPOWERCO-DONALDC.COOKNUCLEARPLANTCONCENTRATIONSOFIODINEANDGAMMAEMITIERS'NMILKResultsinUnitsofpCl/litert2sigmaCOLLECMONANALYSISDATESSHULERSTATIONCODESLOZMACKPFARMBIENZELMERLIVINGHS04/06/90K-401-1311690t170<<0.11250k1201280k130<0.1<0.21240k1201300+1301260k13014002140(0.2<0.2<0.1<0.204/20/90K-401-1311400k140<0.31090k110<0.311604120<0.313602140<0.211502110<0.212402120<0.31290k130<0.205/04/9005/18/9006/01/90K-40I-131K-40I-131K-401-1311350t1401320*1301240k1201380k1401440k1401270213012502130<0.1<0.1(0.2<0.2<0.2<0.2<0.39892991420k1401240k12Q126Qk1301400k140119021201180k120(0.2<0.2<0.3<0.3(0.2<0.2(0.1922k921080k1101360k140126021301310k130126021301280k130<0.3<0.3<0.2(0.2<0.2(0.3(0.306/15/9006/29/90K-401-131K-401-1311420a140<0.31280i130<0.2136021401310k1301290t1301160k12Q1290k1301250k120(0.2(0.2(0.2<0.2(0.2<0.21320k1301300t1301230k1201450k1401190k12Q12402120<0.2(0.2<0.3(0.2<0.2(0.2'IpplealLLDsarefoundintable8-l2.Allothergamntaeinltterswere<LLD.

TABLEB-9ICont.)INDIANAMICHIGANPOWERCOMPANY-DONALDC.COOKNUCLEARPLANTCONCENTRATIONSOFIODINEANDGAMMAEMITTERS'NMILKResultsInUnitsofpCI/literi2sigmaCOLLF~ONANALYSIS8HULERDATESSTATIONCODESLO2MACKWARMBIENZELMERLIVINGHS07/13/9007/27/90K-401-131K-401-1311400f140152021501270k1301370k1401300k1301280k13012602130<0.2<0.2<0.1<O.l<0.2<0.2<0.31230i120134021301410k1401300k130144041401490k1501170k120<O.l<0.2<0.1<0.2<0.2<0.1<0.208/10/90K-401-1311130k130<0.31380k140142041401320*1301320k1301300t13012602130<0.3<0.2<0.2<0.3<0.2<0.208/24/90K-401-1311390a140<0.41360k140<0.21400k14Q<0.2103041001110k1101340k13013602140<0.2<0.2<0.2<0.209/07/90K-401-1311390R140135021401270R1301310R1301260R1301350R14Q1070X110<0.2<0.2<0.2<0.2<0.2<0.2<0.209/21/90K-4QI-131195041901440k1401360k14011802120137021401450k1501240k120<0.2<0.2<0.3<0.3<0.2<0.3<0.3QpirDsareloundlntableB-l2.Allothergammaemltterswere<I B-9ICont.)INDIANAMICHIGANPOWERCO-DONALDC.COOKNUCLEARPLANTCONCENTRATIONSOFIODINEANDGAMMAEMITIERS'NMILKResultsInUnitsofpCI(literk2sigmaCOLLF~ONANALYSISSHULERDATESSTATIONCODESLOZMACKNARMBIENZELMERLXVINGHS10/05/90K-40I-1311200k120<0.21400k1401390k140148021501190k1201390214013102130<0.2<0.2<0.2<0.2<0.2<0.210/19/90K-401-1311060k110<0.21390k14013102130<0.2=<0.21430k140<0.2158041601340k1301290k130'0.1<0.2<0.2Q11/02/90C)K-40I-1311570k160<0.21020k100<0.31360a140<0.2999X1001020R1001190R1201300R130<0.1<0.1<0.2<0.111/16/90K-401-1311180R120<0.512302120<0.51310k130<0.313602140<<0.31440k140130021301290k130<0.3<0.3<0.411/30/90K-401-1311150i110<0.21450a150<0.1922t92<0.11340k130<0.21210k1201280k1301170t120<0.1<0.1'0.212/28/90K-401-1311180a120146021501350k1401350k1301230*1201260k1301220f120<0.5<0.2<0.2<0.2<0.2<0.2<0.2'lpptcalLLDsarefoundlntable8-12.Allothergammaemitterswere<LLD.

ThBLRB-10INDIANhMICHIQhNPOWERCOMPhNT-DONhLDC.COOKNUCLEAR1%ANTCONCERG&11ONSOFGAMMAEMITIERS'NFISHResultslnUnitsofpCt/kg(wet)k2stgma8ta5aaDeserttionCs-1S7Ra-228Th-22805/16/9005/16/9005/16(9005(16/9010/16/9010/16/9010/23/9010/23/90OF$8outhONS-NorthOFS-NorthONS-SouthOFS-SouthONS-NorthONS-SouthONS-North<100<80<3003840a38031504310170021708842893310k3303320R330249022502590226025.5k8.635.7k10.380.1k1.120.3k6.6<20<3030.3t5.235.0%5.3<200<300<200<200<400<500<100<100<20<20<20<20<40<50=<10<102838k2049S7.8%4SLLDsarefoundlntableB-12.

TABINDIANAMICHIGhNPOWERCOMPNhLDC.COOKNUCLEARPLhNTCONCENIRA'IIONSOFGAMMAEMIITEBS'NFOOD/VEGETATIONResultsinUnttsofpCI/kg(wegk2stgmaCOLIZCTIONDATEStattonDesertttan1-19108/12/9008/18/9008/18/90Q8/18/9008/18/90SECIOR-hSECIOR-HSECYOR-ESECIOR-HSECIOR-EBroadLeavesLeavesLeavesGrapesGrapes1060k240270023001190k250<100<100889t2123700k3703360k390176021802300k230<30<6Q<60<60<50Aversei2s.&,1650k1823~7ypteaILLDsarefoundtntableB-12.

TABLEB-12BG)IANAMCHIGANPOWERCOMPANY-DONALDC.COOKNUCLEARPLANTGARS%SPECTROMETRYLOWERLIMITSOFDETECIIONANDREPORIINGLEVELSTech8LLDtLevelTech8LLDRCerium-144Barium/La-140Cesium-134Ru,Rh-106Cesium-137Zr.Nb-95Manganese-54Iron-59Zinc-65Cobalt-60Cobalt-58Iodine-131601010801010101520101020N/AN/A60N/A60N/AN/AN/AN/ANIANIA60N/AN/A1000N/A2000N/AN/ANIAN/AN/AN/A1003050/10750610/15615105610N/A60/1515N/A1830/1515303030151N/A20030N/ASQ400100040030030010002Cerium-144Barium/La-140Cesium-134Ru.Rh-106Cesium-137Zr,Nb-95Manganese-54Iron-59Zinc-65Cobalt-60Coat-58Iodine-1313050/10750620616106510N/A60/1515N/A18N/AN/AN/ANIANIAN/A1N/A30060N/A70N/AN/AN/AN/AN/AN/A30.0070.0050.0020.01QO.Q020,0020.0020.0020.0020.0020.0020.040N/AN/A0.06N/A0.06N/AN/AN/AN/AN/AN/A0.07N/AN/A10N/A20N/AN/ANIAN/AN/A'/A0.9CharcoalTrap TABLEnt.)INDIANAMICHIGANPOWERCOMPNhLDC.COOKNUCLEARPLANTGAMMASPECIROMETRYLOWERLlMITSOFDEIECHONANDREPOKONGLEVELSTech8LLDtLevelTech8LLDRtLevelCerium-144Barium/La-140Cesium-134Ru.Rh-106Cesium-137Zr,Nb-95Manganese-54Iron-59Zinc-65Cobalt-60Cobalt-58lodlne-1314060650630515105510N/AN/A230N/A150N/A130260260130130N/AN/AN/A1000N/A2000N/A3000010000200001000030000N/A15053Q200304095060202030N/AN/A150N/A180N/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AGrossBetaTrttlumILDaandReAlrParttculatesSurfaceWaterGroundWaterDrinkingWater0.014440.01pCl/m34.QpCl/14.0pCl/14.0pCl/lN/AN/AN/AN/ASurfaceWaterGroundWaterDrlnklngWater20002000200020002000200020,00020.00020.QOO APPENDIXCANALYTICALPROCEDURESSYNOPSIS65

DETERMINATIONOFGROSSBETAACTIVFIT'NWATERSAMPLESI.0~INI'NDTINTheproceduresdescribedinthissectionareusedtomeasuretheoverallradioactivityofwatersampleswithoutidentifyingtheradioactivespeciespresent.Nochemicalseparationtechniquesareinvolved.Oneliterofthesampleisevaporatedonahotplate.Asmallervolumemaybeusedifthesamplehasasignificantsaltcontentasmeasuredbyaconductivitymeter.Ifrequestedbythecustomer,thesampleisfilteredthroughNo.54filterpaperbeforeevaporation,removingparticlesgreaterthan30micronsinsize.Afterevaporatingtoasmallvolumeinabeaker,thesampleisrinsedintoa2-inchdihmeterstainlesssteelplanchetwhichisstampedwithaconcentricringpatterntodistributeresidueevenly.Finalevaporationtodrynesstakesplaceunderheatlamps.Residuemassisdeterminedbyweighingtheplanchetbeforeandaftermounting,thesample.Theplanchetiscountedforbetaactivityonanautomaticproportionalcounter.Resultsarecalculatedusingempiricalself-absorptioncurveswhichallowforthechangeineffectivecountingefficiencycausedbytheresiduemass.67 2.0DETENAPAHrLmDetectioncapabilitydependsuponthesamplevolumeactuallyrepresentedontheplanchet,thebackgroundandtheefficiencyofthecountinginstrument,anduponself-absorption'ofbetaparticlesbythemountedsample.Becausetheradioactivespeciesarenotidentifled,nodecaycorrectionsaremadeandthereportedactivityreferstothecountingtime.Theminimumdetectablelevel(MDL)forwatersamplesisnominally1.6picocuriesperliterforgrossbetaatthe4.66sigmalevel(1.0pCi/1atthe2.83sigmalevel),assumingthat1literofsampleisusedandthat-2gramofsampleresidueismountedontheplanchet.TheseQguresarebaseduponacounting'timeof50minutesanduponrepresentativevaluesofcountingeEiciqncyandbackgroundof0.2and1.2cpm,respectively.TheMDLbecomessignificantlylowerasthemountweightdecreasesbecauseofreducedself-absorption.Atazeromountweight,the4.66sigmaMDLforgrossbetais0.9picocuriesperliter.ThesevaluesreflectabetacountingefBciencyof0.38.68 GROSSBETAANALYSISOFSAMPLESN~PAfteradelayofAveormoredays,allowingfortheradon-222andradon-220(thoron)daughterproductstodecay,thefiltersarecountedinagas-flowproportionalcounter.Anunusedairparticulatefilter,suppliedbyD.C.Cook,iscountedastheblank.Calculationsoftheresults,thetwosigmaerrorandthelowerlimitofdetection(LLD):RESULT(pCi/m3)((S/T)-(B/t))/(2.22VE)TWOSIGMAERROR(pCi/m33=2((S/T23+(B/t2))I/2/(222VE)4.66(B~)/(2.22VEt)where:SBETtVGrosscountsofsampleincludingblankCountsofblankCountingefficiencyNumberofminutessamplewascountedNumberofminutesblankwascountedSamplealiquotsize(cubicmeters)

ANALYSISOFSAMPLESFORTEDIUMW~t'rApproximately2mlofwaterareconvertedtohydrogenbypassingthewater,heatedtoitsvaporstate.overagranularzincconversioncolumnheatedto400'.Thehydrogenisloadedintoaoneliterproportionaldetectorandthevolumeisdeterminedbyrecordingthepressure.Theproportionaldetectorispassivelyshieldedbyleadandsteelandanelectronic,anticoincidencesystemprovidesadditionalshieldingfromcosmicrays.Calculationoftheresults,thetwosigmaerrorandthelowerlimitdetection(LLD)inpCi/1:RESULT3.234TNVN(CG-B)/(CNVS)TWOSIGMAERROR=2(3.234)TNVN(E)1/2/(CNVS)3.3(3.234)TNUN(E)I/2/(CNVS)where:TN3.234CNOGBalttritiumunitsofthestandardconversionfactorchangingtritiumunitstopCi/1volumeofthestandardusedtocalibratetheeNciencyofthedetectorinpsiavolumeofthesampleloadedintothedetectorinpsiathenetcpmofthestandardofvolumeVNthegrosscpmofthesampleofvolumeVSthebackgroundofthedetectorincpmcountingtimeforthesampleS/T2+B/t270 ANALYSISOFSAMPLESFORSTRONTHM-SSAND-90W~grStablestrontiumcarrierisaddedto1literofsampleandthevolumeisreducedbyevaporation.StrontiumisprecipitatedasSr(NO3)2usingnitricacid.Abariumscavengeandaniron(ferrichydroxide)scavengeareperformedfollowedbyadditionofstableyttriumcarrierandaminimumof5dayperiodforyttriumingrowth.Yttriumisthenprecipitatedashydroxide,dissolvedandre-precipitatedasoxalate.TheyttriumoxalateismountedonanylonplanchetandiscountedinalowlevelbetacountertoinferSr-90activity.Strontium-89activityisdeterminedbyprecipitatingSrCO3fromthesampleafteryttriumseparation.Thisprecipitateismountedonanylonplanchetandiscoveredwithan80mg/cm2aluminumabsorberforlowlevelbetacounting.MilkStablestrontiumcarrierisaddedtoIliterofsampleandthesampleisfirsevaporated,thenashedinamufflefurnace.Theashisdissolvedandstrontiumisprecipitatedasphosphate,thenisdissolvedandprecipitatedasSrN03usingfuming(90%)nitricacid.Abariumchromatescavengeandaniron(ferrichydroxide)scavengearethenperformed.Stableyttriumcarrierisaddedandthesampleisallowedtostandforaminimumof5daysforyttriumingrowth.Yttriumisthenprecipitatedashydroxide,dissolvedandre-precipitatedasoxalate.TheyttriumoxalateismountedonanylonplanchetandiscountedinalowlevelbetacountertoinferSr-90activity.Strontium-89isdeterminedbyprecipitatingSrC03fromthesampleafteryttriumseparation.Thisprecipitateismountedonanylonplanchetandiscoveredwithan80mg/cm2aluminumabsorberforlowlevelbetacounting.71 ThesampleisQrstdriedunderheatlampsandanaliquotistaken.Stablestrontiumcarrierisaddedandthesampleisleachedinhydrachloricacid.ThemixtureisQlteredandstrontiumisprecipitatedfromtheliquidportionasphosphate.Strontiumis,precipitatedasSr(N03)2usingfuming(905nitricacid.Abariumchromatescavengeandaniron(ferrichydroxide)scavengearethenperformed.Stableyttriumcarrierisaddedandthesampleisallowedtostandforaminimumof5daysforyttriumingrowth.Yttriumisthenprecipitatedashydroxide,dissolvedandre-precipitatedasoxalate.'IheyttriumoxalateismountedonanylonplanchetandiscountedinalowlevelbetacountertoinferSr-90activity.Strontium-89activityisdeterminedbyprecipitatingSrC03fromthesampleafteryttriumseparation.Thisprecipitateismountedonanylonplanchetandiscoveredwithan80mg/cm2aluminumabsorberforlowlevelbetacounting.ItAwetportionofthesampleisdriedandthenashedinamufQemace.Stablestrontiumcarrierisaddedandtheashisleachedinhydrochloricacid.ThesampleisQlteredandstrontiumisprecipitatedfromtheliquidportionasphosphate.StrontiumisprecipitatedasSr(N03)usingfuming(9C86)nitricacid.Aniron(ferrichydroxide)scavengeisperformed,followedbyadditionofstableyttriumcarrierandaminimumof5daysperiodforyttriumingrowth.Yttriumisthenprecipitatedashydroxide,dissolvedandre-precipitatedasoxalate.Theyttriumoxalateismountedonanylonplanchetandiscountedinalowlevelbetacountertoinferstrontium-90activity.Strontium-89activityisdeterminedbyprecipitatingSrC03fromthesampleafteryttriumseparation.Thisprecipitateismountedonanylonplanchetandiscoveredwithan80mg/cm2aluminumabsorberforlowlevelbetacounting.Stablestrontiumcarrierisaddedtothesampleanditisleachedincacidtobringdepositsintosolution.ThemixtureisthenQlteredand theQltrateisreducedinvolumebyevaporation.StrontiumisprecipitateasSr(N03)2usingfuming(9C86)nitricacid.Abariumscavengeisusedtoremovesomeinterferingspecies.Aniron(ferrichydroxide)scavengeisperformed,followedbyadditionofstableyttriumcarrieranda7to10dayperiodforyttriumingrowth.Yttriumisthenprecipitatedashydroxide,dissolvedandre-precipitatedasoxalate.Theyttriumoxalateismountedonanylonplanchetandiscountedinalowlevelbetacountertoinferstron-tium-90activity.Strontium-89activityisdeterminedbyprecipitatingSrC03fromthesampleafteryttriumseparation.Thisprecipitateismountedonanylonplanchetandiscoveredwith80mg/cm2aluminumabsorberforlowlevelbetacounting.Calculationsoftheresults,twosigmaerrorsandlowerlimitsofdetection(LLD)areexpressedinactivityofpCi/volumeorpCi/mass:RESULTSr-89TWOSIGMAERRORSr-89LLDSr-89RESULTSr-90TWOSIGMAERRORSr-90LLDSr-90(N/Dt,"BC-BA)/(2.22VYSDFSR8gESR8g)2((N/Dt+BC+BA)/LR)1/2/(2.22VYSDFSR8gE94,66((BC+BA)/ht)1/2/(2.22VYSDFSR8gESR(N/bt-B)/(2.22VY1Y2DFIFE)2((N/b,t+B)/ht)1/2/(222VY1Y2DFEIF))4.66(B/ht)1/2/(222VY1Y2IFDFE)73' where:Nht2.22BAYSDFSR-89ESR-89>>Y-90)Ey-90IFY-90IGY-900.016Ey/absY1Y2IFtotalcountsfromsample(counts)countingtimeforsample(min)backgroundrateofcounter(cpm)usingabsorberconhguratidpm/pCivolumeorweightofsampleanalyzedbackgroundadditionfromSr-90andingrowthofY-900.016(K)+(K)Ey/abs)(IGygP)chemicalyieldofstrontiumdecayfactorfromthemidcollectiondatetothecountingdateforSR-89efQciencyofthecounterforSR-89withthe80mg/cm.sq.alunMumabsorber(Nb,t-BC)ygp/(EygpIFygpDFygpY1)thedecayfactorforY-90fromthe"milk"timetothemidcounttimeefQciencyofthecounterforY-90ingrowthfactorforY-90fromscavengetimetomQkingtim(theingrowthfactorforY-90intothestrontiummountfrom"mQk"timetothemidcounttimetheemciencyofmeasuringSR-90throughaNo.6absorbertheefBciencyofcountingY-90throughaNo.6absorberbackgroundrateofcounter(cpm)chemicalyieldofyttriumchemicalyieldofstrontiumdecayfactorofyttriumfromtheradiochemicalmilkingtimethemidcounttimeefBciencyofthecounterforY-90ingrowthfactorforY-90fromscavengetimetotheradio-chemicalmilkingtime ANALYSISOFSAMPLESFORIODINE-131MilkWTwolitersofsampleareflrstequQibratedwithstableiodidecarrier.Abatchtreatmentwithanionexchangeresinisusedtoremoveiodinefromthesample.Theiodineisthenstrippedfromtheresinwithsodiumhypochloritesolution,isreducedwithhydroxylaminehydrochlorideandisextractedintocarbontetrachlorideasfreeiodine.Itisthenback-extractedasiodideintosodiumbisulfltesolutionandisprecipitatedaspalladiumiodide.Thesodiumbisulfltesolutionandisprecipitatedaspalladiumiodide.Theprecipitateisweighedforchemicalyieldandismountedonanylonplanchetforlowlevelbetacounting.Thechemicalyieldiscorrectedbymeasuringthestableiodidecontentofthemilkorthewaterwithaspecifiionelectrode.Calculationsofresults,twosigmaerrorandthelowerlimitofdetection(LLD)inpCi/I:RESULT'DVOSIGMAERRORwhere:2.22V(N/6t-B)/(2.22EVYDF)2((N/bt+B)/h,t)/(2.22EVYDF)=4.66(B/ht)1/2/(2.22EVYDF)totalcountsfromsample(counts)countingtimeforsample(min)backgroundrateofcounter(cpm)dpm/pCivolumeorweightofsampleanalyzedchemicalyieldofthemountorsamplecounteddecayfactorfromthecollectiontothecountingdateefficiencyofthecounterforI-131,correctedforselfabsorptioneffectsbytheformulaE=Es(exp-0.0061M)/(exp-0.0061Ms)Es=efficiencyofthecounterdeterminedfromanI-131standardmountMs=massofPd12onthestandardmount,mgmassofPDI2onthesamplemount,mg7S GARB'PECTROMETRYOF8Ab9%ZAM~llkWA1.0literMarinellibeakerisfilledwitharepresentativealiquotofthesample.Thesampleisthencountedforapproximately1000minuteswithashieldedGe(Li)detectorcoupledtoamini-computer-baseddataacquisitionsystemwhichperformspulseheightanalysis.rThnilimnAlargequantityofthesampleisdriedatalowtemperature,lessthan100'C.Asmuchaspossible(uptothetotalsample)isloadedintoatared1-literMarinelliandweighed.Thesampleisthencountedforapproximately1000minuteswithashieldedGe(Li)detectorcoupledtoamini-computer-baseddataacquisitionsystemwhichperformspulseheightanalysis.FishAsmuchaspossible(uptothetotalsample)oftheedibleportionofthesampleisloadedintoataredMarinelliandweighed.Thesampleisthencountedforapproximately1000minuteswithashieldedGe(Li)detectorcoupledtoamini-computer-baseddataacquisitionsystemwhichperformsulseheightanalysis,mnSoilsandsedimentsaredriedatalowtemperature,lessthan100'C.Thesoilorsedimentfsloadedfullyintoatared,standard300cccontainerandweighed.ThesampleisthencountedforapproximatelysixhourswithashieldedGe(Li)detectorcoupledtoamini-computer-baseddataacquisitionsystemwhichperformspulseheightandanalysis.Charcoalcartridgesarecounteduptofiveatatime,withonepositionedonthefaceofaGe(Li)detectoranduptofouronthesideof'theGe(Li)detector,EachGe(Li)detectoriscalibratedforbothpositions.ThedetectionlimitforI-131ofeachcharcoalcartridgecanbedetermined(assumingnopositiveI-131)uniquelyfromthevolumeofairwhichpassedthroughit,IntheeventI-131isobservedintheinitialcountingofaset,eachcharcoalcartridgeisthencountedseparately,positionedonthefaceofthedetector.76 A~IThethirteenairborneparticulatefiltersforaquarterlycompositeforeachGeldstationarealignedoneinfrontofanotherandthencountedforatleastsixhourswithashieldedGe(Li)detectorcoupledtoamini-computer-baseddataacquisitionsystemwhichperformspulseheightanalysis.Amini-computersoftwareprogramdefinespeaksbycertainchangesintheslopeofthespectrum.Theprogramalsocomparestheenergyofeachpeakwithalibraryofpeaksforisotopeidentificationandthenperformstheradioactivitycalculationusingtheappropriatefractionalgammarayabundance,halflife,detectorefficiency,andnetcountsinthepeakregion.Thecalculationofresults,twosigmaerrorandthelowerlimitofdetection(LLD)inpCi/volumeofpCi/mass:RESULT'IWOSIGMAERRORt(S-B)/2.22tE,VFDF)2(S+B)//(2.22tEVFDF)4.66(B)1/2/(2.22tEVFDF)where:S2.22Area,incounts,ofsamplepeakandbackground(regionofspectrumofinterest)Backgroundarea,incounts,undersamplepeak,determinedbyalinearinterpolationoftherepresentativebackgroundsoneithersideofthepeaklengthoftimeinminutesthesamplewascounteddpm/pCidetectorefficiencyforenergyofinterestandgeometryofsamplesamplealiquotsfze(liters,cubicmeters,kilograms,orgrams)fractionalgammaabundance(specificforeachemittedgamma)decayfactorfromthemid-coQectiondatetothecountingdate ENVIRONMENTALDOSMETRYTeledyneIsotopesusesaCaS04.Dythermoluminescentdosimeter(TLD)whichthecompanymanufactures.Thismaterialhasahighlightoutput,negligiblethermallyinducedsignalloss(fading),andnegligibleselfdosing.Theenergyresponsecurve{aswellasallotherfeatures)satisQesNRCReg.Guide4.13.TransitdosesareaccountedforbyuseofseparateTLDs.FollowingthefieldexposureperiodtheTLDsareplacedinaTeledyneIsotopesModel8300.OnefourthoftherectangularTLDisheatedatatimeandthemeasuredlightemissionOuminescence)isrecorded.TheTLDisthenannealedandexposedtoaknownCs-137dose:eachareaisthenreadagain.ThisprovidesacalibrationofeachareaofeachTLDaftereveryfielduse.Thetransitcontrolsarereadinthesamemanner.CalculationsofresultsandthetwosigmaerrorinnetmilliRoentgen(mR):RESULTD=(D~+D2+D3+D$/4TWOSIGMAERROR=2((DlD)2+(D2D)2+(D3-D)2+(D4D)2)/3)1/2IRE:D1=thenetmRofarea1oftheTLD,andsimQarlyforD2,D3,andD4DlI1K/R1-Atheinstrumentreadingofthefielddoseinarea1KR1theknownexposurebytheCs-137sourcetheinstrumentreadingduetotheCs-137doseonarea1averagedoseinmR,calculatedinsimilarmannerasabove,ofthetransitcontrolTLDsDtheaveragenetmRofaQ4areasoftheTLD.

APPENDIXDSU5HIGLRYOFEPAINTERLABORATORYCOMPARISONS79 EPAINTERLABORATORYCOMPARXSONPROGRAMTeledyneIsotopesparticipatesintheUSEPAInterlaboratoryComparisonProgramtothefullestextentpossible.Thatis,,weparticipateintheprogramforallradioactiveisotopespreparedandatthemaximumfrequencyofavaQabQity.Inthissectiontrendinggraphs(since1981)andthe1990datasummarytablesarepresentedforisotopesinthevarioussamplemediaapplicabletotheDonaldC.CookPowerStationsRadiologicalEnvironmentalMonitoringProgram.Thefootnotesofthetablediscussinvestigationsofproblemsencounteredinafewcases.80 USEPAINTERLABORATORYCOMPARXSONPROGRAM1990(ENVIRQMhKENTAI)0CollectionDateMediaNuclideEPAResult(a)TeledyneIsotoesResult(b)10/31/89LabPerf.WaterSampleASampleBGr-AlphaRa-226Ra-228Gr-BetaSr-89Sr-90Cs-134Cs-13749.0028.4024.10232.00215.00k7.00k5.0025.00212.001.300.605.005.001.505.005.0042.3349.20k4.00230.33k15.0027.0025.33k7.00k5.?70.460.500.583.460.001.150.0011/10/89Water01/12/90Water01/26/90Water02/09/90WaterRa-226Ra-228Sr-89Sr-90Gr-AlphaGr-BetaCo-60Zn-65Ru-106Cs-134Cs-137Ba-1338.7028.57225.00220.00212.0212.02'5.002139.002139.00218.00218.00274.00k1.301.405.001.505.05.05.0014.0014.005.005.007.008.4728.57224.00219.67210.00212.33k15.00k131.33k113.67k15.33219.33k66.0020.491.461.732.521.731.533.464.04(c)2.313.213.4602/23/90Water03/09/90WaterH-3Ra-226Ra-2284.9212.7k0.71.94976.002498.004.73213.0020.471.004900.00k100.0003/30/90AirFilter04/17/90Water(LabPerf}SampleASampleBGr-AlphaGr-BetaSr-90Cs-137Gr-AlphaRa-226Ra-228Gr-BetaSr-89Sr-90Cs-134Cs-1375.0231.0210.0k10.0k90.0k5.0410.2k52.0210.0210.0k15.0k15.0k5.05.01.55.023.00.81.55.05.01.55.05.06.33231.6729.33k10.67279.3325.67k9.37253.33210.6729.67k12.67216.3320.580.580.581.152.890.151.441.531.150.581.531.15Footnotesatendoftable.81 USEPAINTERIdiBORATORYCOHPAMSONPROGRAM1990(Cont.)(ENVIRONNTm)CollectionDateMediaNuclideEPAResult(a)TeledyneIsotoesResult(b)04/27/90MilR05/04/90WaterSr-89Sr-901-131Cs-137KSr-89Sr-9023.0223.0299.0k24.021550.0k7.027.0k5.05.010.05.078.05.05.024.67224.00k89.67227+33k1483.3326.67k6.6721.530.003.212.5275.060.580.5805/11/90Water06/08/90WaterGr-AlphaGr-BetaCo-60Zn-65Ru-106Cs-134Cs-137Ba-13322.0215.0k24.02148.02210.0k24.0k25.0299.0R6.05.05.015.021.05.05.010.016.00217.00225.33k148.672196.00223.67224.67k93.0021.001.002.523.0620.662.892.086.08/22/90Water07/13/90WaterH-3Ra-226Ra-22812.125.121.81.32933.0k358.011.3724.2020.600.752900k100.0008/10/90WaterI-13139.0k6.036.00k3.0008/31/90AirFilter09/14/90WaterGr-AlphaGr-BetaSr-90Cs-137Sr-89Sr-9010.0N62.0220.0k20.0210.029.025.05.05.05.05.05.016.00263.33218.00218.3328.6749.041.00(d)1.531.003.210.581.0009/21/90WaterGr-AlphaGr-Beta10.0k10.0k5.05.011.00k1.0011.00k1.00Footnotesatendoftable.

USEPAVFTRRLABORATORYCOHPARXSONPROGRAM1990(Cont.)(ENVIRONMENTAL)CollectionDateMediaNuclideEPAResult(a)TeledyneIsotoesResult(b)09/28/90Mil~10/15/90WaterSr-89Sr-90I-131Cs-137KCo-60Zn-65Ru-106Cs-134Cs-137Ba-13316.0k20.0258.0k20.0k1700.0k20.02115.02151.0212.0212.02110.025.05.06.05.085.05.012.015.05.05.011.09.0k15.33k54.67k23.00k171Q.OQk21.00k115.00k142.00211.00k16.33k94.6722.65(e)0.581.531.7365.511.0011.538.660.002.525.13(f)10/30/90LabPerf;Gr-AlphaWaterHa-226SampleAHa-22862.00213.625.0216.002.01.35?.00212.6724.8721.001.270.23SampleBGr-BetaSr-89Sr-90Cs-134Cs-13753.0220.0215.0k.7.0%5.025.05.05.05.05.051.00219.00214.3329.0027.6?k2.313.610.581.1510/19/90Water11/09/90WaterH-3Ra-226Ha-2287203.02720.07.421.17.721.97133.332251.66?.2720.387.5720.32Footnotesatendoftable.83 USEPAINTERLABORhTORYCOMPhRISONPROGRAlK1890(Cont.)(ENVIRONMENTAL)EPAResults-Expectedlaboratoryprecision(1sigma).UnitsarepCi/literforwater,andmilkexceptKisinmg/liter.UnitsaretotalpCiforairparuculateQlters.TeledyneResults-Average2onesigma,UnitsarepCi/BterforwaterandmilkexceptKisinmg/liter.UnitsaretotalpCiforairparticulatefilters.Noapparentcauseforthelowresultswerefound.ThreeaBquotsofthesamplewerecountedonthree.separatedetectors.Theresultsofallthreeweresimilar.ThecalibrationcurveQtisgood(0.997).Ruthenium-106willbeobtainedfromtheEPAtofurtherinvestigatethematterandfuturemixedgammainwaterEPAIntercomparisonswillbemonitoredtoidentifycontinuingtrends.TheEPAdepositoccupiesasmallerareathanourcalibrationplanchetandhencehasahighercountingefficiency.Nofurthercorrectiveactionisrequired,sinceourcalibrationstandardbetterrepresentsanairparticulateQlter.betakenintheIncompleteremovalofcalcium,leadtoerroneouslyhighstrontiumyieldsMestrontiumnitrateandstrontiumsulfateprecipitationstepstoensureaoe.OrecareisQnalvolumeofatleast20mlinthestrontiumsulfatestep.ReanalysisofinternalQCsamplesproducedgoodresultsafterimplementingthecorrectiveaction.ThereisnoapparentreasonforthedeviationbetweentheEPAandTeledyneIsotopesvalues.Otherisotopesinthesampleweremeasuredaccurately.ThecalculationswerereviewedandactivitiescalculatedfromotherBa-133gammarays.Resultswerereproducedasreported.4/4/91 TRMIDINGGRAPH-5USEPACROSSCHECKPROGRAMGROSSBETAINAIRPARTICULATESL00UlfJCL198119821983198408/25/89EPATestinvalid198519861987198819891990Tl13sigmaeEPA%3sigma1991

-100USEPACROHECKPROGKf,84CESIUM-137INAIRPARTICULATESTl+3sigma4EPAk3sigma8040019811982198319841985198619871988'I98919901991 USEPACROSSCHECKPROGMlMIODINEINMILK1981198219831984198519861987198819891990'1991Tlk3sigmaEPAk3sigma USEPACRQSECKPRQGRAMPOTASS-40INIIIK19811982198319841985198619871988198919901991TIk3sigmaEPA&stgma USEPACROSSCHECKPROGRAMSTRONTIUMINMILK40198119821983198419851986198719881989'I9901991oTlt3sigmaoEPAk3sigma USEPACEOHECKPROGRAM-STRONTIUM-90INMILK1981198219831984198519861987198819891990'I991oTlk3sigma~EPAk3sigma USEPACROSSCHECKPROGRAMIODINE-131INWATER2001601204019811982198319841985198619871988198919901991aTlk3sigmaEPAI3sigma USEPACROSSCHECKPROGRAMSTRONTIUM-89INWATERfpg.1)a600VCL19811982198319841985TI%3sigmaoEPAk3sigma USEPACROSSCHECKPROGR/LMSTRONTIUM-89INWATERfyg.2)19841985198619871988'I98919901991nTla3SoEPAerror USEPACROSSECKPROGMDCSTRONTIUM-90INWATERI98019811982198319841985198619871988'l98919901991nTIX3sigmaCPAk3sigma USEPACROSSCHECKPROGEUMGROSSBETAINAIRPARTICULATES90csEPAI3sigmaTlk3sigma807060504030201019811982198308/25/89EPAtestInvalid.198419851987198819891990 USEmCaOSSHEeKrmooaaMGROSSALPHAINWATERI60OCL19841985198619871988198919901991aTlP3sigmaoEPA%3sigma USEPACROSSCHECKPROGRAMTRITIlMINWATERfyg.1)DCL19811982198319841985oTlk3sigmaEPAk3sigma USEPACROSSCHECKPROGRAMTIUTIUMINWATER(pg.2)198519861987198919901991aTI13SoEPA13S APPENDIXEREMPSAMPLINGANDANALYTICALEXCEPTIONS99 PROGRNKEXCEPTIONSREMPdeviationsfor1990arelistedattheendofthisappendix.Wherepossible,thecausesofthedeviationshavebeencorrectedtopreventrecurrence.100 HEMPEXCEPTIONSFORSCHFZlULEDBAMKXNGhND2LNALYSISDURING1990StationDescritionDateofSamlinReason(s)forLoss/ExcetionA-2AirParticulateAirIodine04/23/9010/22/90Samplesinadvertentlylostatthelaboratory.LLDnotmetdueto,lowsamplevolume.Unitremovedforrepairs.ColomaAirParticulate08/20/90Electricalmalfunction;Samplerfoundnotrunning.DowagiacAirParticulate/AirIodine12/31/90Electricalmalfunction;LLDnotmetduetolowsamplevolume.Unitsentforrepairs.OFS-6L-2,L-3L-4,L-5TLDSurfaceWaterSecondQtr.Ol/ll/90TLD,wirecageandentitelephonepolemissingattimeofTLDexchange.SamplenotavaQableduetoiceonshoreline.N/ADrirQdngWater01/12/89through06/15/89AnalyticallabusedanLLDof2pCi/1forI-131analyses.MaximumLLDrequiredbyT/Sis1pCi/l.101 APPENDSF1990LANDUSECENSUS102 APPENDIXFSUMMARYOFTHE1990LANDUSECENSUSTheLandVseCensusisperformedtoensurethatsigniQcantchangesintheareasintheimmediatevicinityoftheplantsiteareidentified.AnyidentiQedchangesareevaluatedtodeterminewhethermodiQcationsmustbemadetotheREMPorotherrelatedprograms.NosuchchangeswereidentiQedduringthe1990LandVseCensus.Thefollowingisasunnnaryofthe1990results.ThemQkfarmsurveyisperformedtoupdatethelistofmilkfarmslocatedintheplantarea,toidentifytheclosestmilkfarmineachlandsector,andtoidentifythenearestmQkanimalwhosemilkisusedforxnanconsumption.In1990therewerenoadditionsandfivedeletionsfromthelistofareamQkfarms.NoneofthedeletedmQkfarmswereinvolvedintheCookPlantmQksamplingprogram.TheclosestmQkfarmineachlandsectorwasunchangedfor1990.Atableidenti&jingthesemilkfarmsisincludedattheendofthisAppendix.ThelocationoftheclosestmQkanimalalsoremainsunchangedfor1990.Theresidentialsurveyisperformedtoidentifytheclosestresidencetotheplantineachlandsector.Theclosestresidencesineachsectorwereunchangedfor1990.Atableidentifyingeachresidenceisincludedattheendofthisappendix.InaccordancewithTechnicalSpeciQcation(T/8)3.12.2,broadleafvegetationsamplingisperformedinlieuofagardencensus.Broadleafsamplingisperformedtomonitorforplantimpactontheenvironment.103 Thesamplesareobtained,atthesiteboundaxyinthelandsectorwhereitisstimatedthatthemaximumconcentrationofplantrelatedradionuclideswouldoccur.Thebroadleafanalyticalresultsfor1990were<<LLD.w~nAresidentialwellsurveywasperformedin1990tomonitorthegroundwateraquifernorthandsouthoftheCookPlantforradionuclesandtoidentifywellsinthevicinityoftheplantusedtosupplywaterforhumanconsumption.'IhewellsurveywasperformedinthecommunitiesofRosemaryBeachandLivingstonHillslocateddirectlynorthandsouthoftheplantrespectively.ThesearetheclosestcommunitiestotheCookPlant.Resultsofthesurveyaresummarizedonthetableandmapsattheendofthisappendix.CommunitiestotheeastoftheplantwerenotinvolvedinthewellensusduetothefactthattheyarelocatedgreaterthanamQefromtheplantcenterandareupstreamoftheprevaQingeasttowestgroundwaterflow.Eightofthethirty-sevenresidencesintheRosemaryBeachcommunitywereidentifiedashavingwellsusedtosupplywaterforhumanconsumption.TheseresidencesareindicatedontheRosemaryBeachMap.Gammaspectrometxy,iodine,andtritiumanalyseswereperformedforeachsample.Theresultswereall<<LLD.TheLivingstonHillscommunityconsistsofeightresidences.EachresidenceobtainsitsdrinkingwaterfromtheLakeTownshipMunicipalWaterSystem.Inactivewellsarelocatedateachresidence.Noneoftheinactivewellsarecurrentlyoperational.Twooftheinactivewells.MalmstadtandScupham,weretemporarQyrepairedforthepurposeofobtaininggroundwatersamples.Theseresidencesareidentifie'dontheLivingstonHillsMap.DuplicatesampleswereobtainedRomeachwell.Thespectrometry,iodine,andtritiumresultsfortheMhlmstadtsamplesre<<LLD.ThegammaspectrometryandiodineresultsfortheScupham104 sampleswere<LLD.ThetritiumresultsfortheScuphamsampleswer<LLDand350pCi/liter.(SeeattachedTable).AnadditionalwellhasbeenestablishedoffsitebetweentheplantandLivingstonHillstofacilitatefuturegroundwatersamplinginthisareaforthepurposeoflong-termmonitoringoftheaquifer(seeattachedmap).Initialgammaspectrometry.iodine,andtritiumanalyseswereall<LLD.AswampwatersamplewasobtainedtorepresentstandinggroundwaterthatmaybeutQizedforanimalconsumption.Initialgammaspectrometry,iodine,andtritiumanalyseswereall<LLD.105 Figure5INDMiVLLMICHIGANPOWERCOMPANY-DONALDC.COOKNUCLFMRPLANTMlkandAnimalSurveySsuveySectorYearDistanceMllesNameAddressBDHKababN/AN/AN/AN/AN/AN/A4.754.7510.510.56.86.84.254.255.25.27.87.81212NomilkanimalsNomilkanimalsNomQkanimalsNomilkanimalsNomilkanimalsNomilkaninmlsGeraldTotzkeGeraldTotzkeAndrewsUniv.AndrewsUniv.LeeNehonLeeNelsonG.G.Shuler6SonsG.G.ShulerBtSons,NormanZelmerNormanZelmerJerryWarmbeinJenyWarmbeinKennethTappanKennethTappanN/AN/AN/AN/AN/AN/A6744TotzkeRd..Baroda6744TotzkeRd..BarodaBerrienSpringsBerrienSpringsRFD1,Box390A,SnowRd.BarodaRFD1,Box390A,SnowRd.BarodaRFD1,SnowRd..BarodaRFD1,SnowRd..Baroda11701S.GastRd..Bridgman11701S.GastRd.,BridgmanBox184.AveryRd.,'IhreeOaksBox184,AveryRd.,ThreeOaksRt.2,KrugerRd,ThreeOaksRt.2,KrugerRd,ThreeOaksthersectorsareoverwater.eportingYearearpriortoreportingyear.106 Figure6INDIANAMICHIGANPOWERCOMPhNY-DONhLBC.COOKNUCLEARPLANTResldenUalLandUseSurveyHouse(iStreetAddress"Bab21612161216521653093309311-11-0006-0004-01-76-4.111-11-0006-0004-09-26-4.911-11-6800-0028-00-06-28lierDrive,RosemaxyBeachRt.ft1,RosentatyRd.lierDrive,RosemaryBeachRt.tel,RosemaryRd.LakeRoad,RosemaryBeachRt.(I1,RosetnaxyRd.Dab5733573311-11-0005-0036-01-85-367500ThortonDrive7500DtortonDrive5631563111-11-0005-0009-07-05.25.57927RedArrowHighway7927RedArrowHighwayoFHaab1010539253923728372849444944336633663090309011-11-0008-0015-03-18-10.311-11-0007-0013-01-47-411-11-8600-0004-00-17-7+811-11-0007-0010-02-37-10.311-11-0007-0010-03-17-10.38197RedArrowHighway3900LbringstonRd.LivingstonRoad4212LbringstonRd.WildwoodWildwoodSubdbrlsion(8700RedArmwHwy.)LivingstonHills4600W.LivingstonM.LivingstonHQIsSubdivision)LivingstonHills4600W.LtvtngstonRd.(LivingstonHljlsSubdlvlslon)(I)Allothersectorsareoverwater.(alReportingYear(b)Yearpriortoreportingyear.Specificpropertynumbersaslistedonthetaxrollswereusedtotdenttfyhouses.Prevtousyear'sreportusedlotnumbers.Thelotnumbersrematnedthesame.~~ltouses6wasIncornictlyaddressedthepreviousyear.Allotheraddresscha~areminormodlflcauonsreflecttngupdatedaddressformat.

Figme7INDMNAMICHIGANPOWERCOMPANT-DOMLX)C.COOKNUCXZARPLANTOKsiteWellSurveyResultsinunitsofpCi/l%'e11H-3I-131Gamma8ecROSEMARYBEACHAxmstrong'urkeHalsteadTengerstromScottConeMcCleanacichH08/29/9008/29/9008/29/9008/31/9008/31/9009/-II/9009/19/9009/19/90<200<200<100<100<100<100<200<200(0.2<0.2<0.2<0.1(0.1<0.2<0.2<0.2<LLD<LLD<LLD<LLD<LLD<LLD<LLD<LLDScuphamDuplicateNewWell'uplicate11/12/9011/12/9011/29/9011/29/90LXVINGSTONHILSwampWater09/10/90Malmstadt09/26/90Duplicate09/26/90<20Q<IOQ<200<200350(100<200<O.l<0.1<0.1<0.2<Q.2<Q.l<0.2<LLD(LLD<LLD(LLD<LLD<LLD108 Figure8~~0O~~~'cQ((0'~~,/JIlGooq(,a0'(!)ohG/J//I~(I.(I,'.~v,q(!..6,aV(.)'(('(ltPf;loe19lAPProximatelocationofnewwell,I'ivinstonHillsWellCensusMaXndicateslocationofsampled~~wells.LocationofSwampSample4~avaaMY0~I;IIil//~Illt/(~('(~%gJI;1('llZOQO,Ooo()Ot4lOS109 M(CH'ANFigure9o~~og33oqgzRosemarBeachWellCensusMa"-Indicatesresidencewithdrinkingwaterwell.0000001a)\ooo~~~~~~~~~o~~A,~[10 APPENDIXGSUlHMARYOFTHEPRE-OPERATIONALRADIOLOGICALMONITORINGPROGRAM111 SUMKEQtYOFTHEPREOPERATIONALRADIOLOGICALMONITORINGPROGRAMApreoperationalradiologicalenvironmentalmonitoringprogramwasperformedfortheDonaldC.CookNuclearPlantfromAugust1971untiltheinitialcriticalityofUnit1onJanuary18,1975.'IheanalysesofsamplescollectedinthevicinityofthenuclearpowerplantwereperformedbyEberlineInstrumentCorporation.Thesummaryofthepreoperationalprogrampresentedinthisappendixisbasedonthesevensemi-annualreportscoveringtheperiod.Thepurposeofthissummaryistoprovideacomparisonoftheradioactivitymeasuredintheenvironsoftheplantduringthepre-startupofUnit1andtheradioactivitymeasuredin1990.AsstatedinthereportfortheperiodofJuly1toDecember31,1971th.thepurposesofapreoperationalradiologicalmonitoringprograminclude:~t(a)"Toyieldaveragevaluesofradiationlevelsandconcentrationsofradioactivematerialinvariousmediaoftheenvironment.(b)Toidentifysamplelocationsand/ortypesofsamplesthatdeviatefromtheaverages.(c)Todocumentseasonalvariationsthatcouldbeerroneouslyinterpretedwhenthepowerstationisoperating.(d)Toindicatetherangeofvaluesthatshouldbeconsidered"background"forvarioustypesofsamples.(e)To"prooftest"theenvironmentalmonitoringequipmentandprocedurespriortooperationofthenuclearpowerstation.(h)Toprovidebaselineinformationthatwillyieldestimatesofthedosetoman,ifany,whichwQlresultfromplantoperation."Thediscussionthatfollowsisforthe'varioussamplemediacollectedandanalyzedinboththepreoperationalperiodandin1990.alyses,suchasstrontium-89andstrontium-90inmilkandair112 particulatesperformedduringthepreoperationalbutnotrequiredin1990,arenotdiscussed.ThegrossbetaactivityinairparticulateQltersrangedGom0.01to0.17pCi/m~fromthemiddleof1971tothemiddleof1973.InJuneof1973andinJuneof1974thePeople'sRepublicofChinadetonatedatmosphericnucleartests.Asaresulttherewereperiodsduringwhichthegrossbetaresultswereelevatedtoashighas0.45pCi/m~withnostatisticallysignificantdifferencesbetweenindicatorandbackgroundstations.Bytheendofthepreoperationalperiodthevalueswereapproximately0.06pCi/m~.ThegammarayanalysesofcompositedairparticulateQltersshowed"traceamounts"ofQssionproducts,Ce-144,Ru-106,Ru-103,Zr-95,andNb-95,theresultsoffalloutfrompreviousatmosphericnucleartests.Cosmogenicallyproducedberyllium-7wasalsodetected.Thedirectradiationbackgroundasmeasuredbthermo)uminescentdosimeters(TLD)rangedbetween1.0and2.0mRem/weekduringthethreeandone-halfyearsperiod.MQk'samplesduringthepreoperattonalperiodwereanalyzedforiodine-131andbygammarayspectroscopy(andforstrontium-89andstrontium-90).Allsampleshadnaturallyoccurringpotassium-40withvaluesrangingbetween520and2310pCi/liter.Cesium-137wasmeasuredinmanysamplesafterthetwoatmosphericnucleartestsmentionedabove.Thecesium-137activityrangedfrom8to33pCi/liter.Iodine-131was,measuredinfour'milksamplescollectedJuly9,1974.Thevaluesrangedbetween0.2and0.9pCi/liter..Lakewatersampleswerecollectedandanalyzedfortritiumandbygammarayspectroscopy.Tritiumactivitieswerebelow1000pCi/literandtypicallyaveragedabout400pCi/liter.Noradionuclidesweredetectedbygammarayspectroscopy.

Gammarayspectroscopyanalysesoflakesedimentdetectednaturalabundancesofpotassium-40,uraniumandthoriumdaughters,andtracesofcesium-137belowO.lpCi/gwhichisattributedtofaHout.GammaspectroscopyanalysesofQshdetectednaturalabundancesofpotassium-40andtracesofcesium-137,thelatterattributedtofallout.D~kingwateranalysiswasnotpartofthepreoperationalprogram.114 APPENDIXHSUMMARYOFTHEBLINDDUPLICATESAMPIKPROGRAM115 SUMNARYOFTHEBUZZ')DUPLICATE8AMPLF.PROGRAMThePlantprocedureforimplementingtheblindduplicatesamlingesampprogramwasrevisedin1990.Theprocedurerevisionwasperformedtoallowforthepreparationanduseofspikedsamplesintheduplicatesampleprogram.Analysiscomparisonsusingsampleswithdetectableactivity,asreferencedinRegulatoryGuide4.15,areamoreusefulindicatorofananalyticallab'sperformance.Tenduplicateanalyseswereperformedin1990.Thesamplesandresultsarelistedintheattachedtable.Nineofthesampleswerewithinacceptablelimits.TheduplicateTLDsamplefeQoutsidetheacceptablelimits.Aolimi.comparisonwassubsequentlymadebetweentheonsite,offsite,andcontrol'groupTLD's.116 BLlNDDUPLICATESAMPLEPROGRAM-1990SampleRoutineSam1eBlindDuilcateWheceptableQmits04/06(90MilkGamma-K-40pCl/liter1240+120123021201120-136004/22/901LD-Contxol(Firstgtr.)05/06/90Groundwater11/03/90-Airborne11/09/9011(08/90-Waterborne11/13/90I0/05/90.WaterborneIl(17/90Well-N5N/AN/AN/AH-3pCI(literGrossBetapCI/m31-131pCI/literH-3pCI/liter700k100.0142.001(200Env.Supr.OIIIceDirectRadiation-10.8k0.2mR/stdmonth8.3%0.3(b)650k90.0142.001110'010.6-11.0600-800.013-.015N/AN/A10/14/90-11/20/90ll/12/9011/12/90ll/12/90WaterborneGroundwaterGroundwaterGroundwaterN/A1A12H-3-pCI/literH-3-pCI/literH-3-pCl/liter1500k4002700k4001000k4001100t1002700k100710X100GammaIsotopic(c)Allnuclides<<LLDAllnuclldesaOLDN/A1100k19002300k3100600k1400{a)hllblindsampleswerewithinacceptablelimitsunlessotherwisenoted.(blHltndsamplenotwtthlnacceptableItmtts.(c)Sampleswithdetectableactivitywerewithinacceptableltmtts.TheIabhasbedeteceactivity.tructedtoperformfutureduplicateanalysesusingsampleswit APPENDIXI1SUbQKARYOFTHESPIKEANDBLKNKSAMPLEPROGRAM118 SURSGLRYOFTHE%TEEANDBLANKKQhKPLEPROGRAMThefollowingtableslisttheblanksandspikedwatersamplesanaleduring1990fortheTeledyneIsotopesIn-houseQualityAssuranceProgram.Analysisdateisanalogoustocollectiondatetoidentifyweeklyanalysisofsamples.OneanalysisforgrossbetaactivitywasreportedoutsidethespeciQedacceptableranges.NodocumentedcorrectiveactionwastakenbecauseinaccordancewithSection9.1ofourQualityControlManual(IWL-0032-365),theacceptancecriteriaforaparticularanalysis"iswithin3standarddeviationsoftheEPAonesigma,onedeterminationasspecifiedintheEnvironmentalRadioactiveLaboratoryStudiesProgramEPA-600/4-81-004,Table3,Page8".Forgrossbetaactivitybelow100pCi/1thecontrollevelatwhichcorrectiveactionmustbetakenis215pCi/1.Thequalityassurancedepartmentoperationallyinvestigatesgrossbetaspikeresultswhichexceedtheonestandarddeviation,onedeterminationlevels(25pCi/1),becauseofpreviousexperienceinreportingresultswithinthatlevel.

TeledyneIsotopeshx-HouseSyQredSampleResults1990-WaterGrossAlphaGrossBetaGamma(Eu-154)H-3tG)112521t51.4k0.2E052.7k0,3E036-1616-261.2-1.6E052.4-3.0E03AniDAivii1882678826888269882708827192203992049205220695348953499535095351S75949759597596975970065200653006540065500988041570415804159041600692006S21069220692301/03/9001/10/9001/17/90Ol/24/90Ol/31(9002/07/9002/14/9002/21/90O2/28/SO03/07/So03/14/9003/21/9003/28/9004/04/9004/ll/9004/18/9004/25/9005/02(9005/09/9005/16/SO05/23/9005/30/9006/06/9006(13/eo06/20/So06/27/9007/05/9007/11/9007/18/9007/25/SO1.121.121.421.501,4%1.6k1.5k1.5k1,6%1.1k1.3k1.521.2k1.1k1.5k1.5k1,2k1.2k1.321.4k7.6k1.221.121.4k1.1k1.2k9.149.1k1.2k1.0k0.2EOl0.2E010.2EOl0.2EOl0.2EOl0.2E010.2EOl0.2E010.2E010.2E010.2E010.2E010.1E010.2EOl0.2E010.2E010.2E010.2E010.2E010.2E011.3EQO0.2EOl0.2E010.2E010.2E010,2E011.6E001.6E000.2E010.2E01120 GROSSALP]~g~~OS6910969209693096940969513338133391334013341158551585615857158581585918566'1856718568185692104721048210492105008/01/go08/08/9008/I5/9008/22/9008/29/SO09/05/9009/12/9009/19/go09/26/SO10/03/9010/10/9010/17/90Io/24/gOlo/31/9011/07/9011/14/90Il/21/SO11/28/go12/05/9012/12/9012/19/SO12/26/901.129.6k1.2k1.421.321.3k1.3k1.2k1.321.3k1.121.2k1.121.321.4k1.221.241.221.321.121.321.320.2E011.5E000.2E010.2EOl02EOI0.2E010.2E010.2E010.2EOl0.2E010.2E010.2EOl0.2E010.2E0102EOI0.2E010.2E010.2E010.2EOl0.2EOl0.2EOl0.2EOlGROSSBETA882628826388264882658826692199922009220192202S534495345953469534701/03/9001/10/9001/17/9001/24/eo01/31/9002/07/9002/14/9002/21/9002/28/9003/07/SO03/14/9003/21/9003/28/901.7k1.721.7k1.9k2.0k1.7k1.8k1.9k2.0k1.821.8k2.0k1.6k0.1E010.1E010.1E010.1E010.1E010.1E01O.lE010.1E010.1E010.1E010.1E010.1E01O.lEOI121 GROSSBET+(~~)9759097591975929759300647-00648006490065000651041530415404155041560691606917069180691909686096870968809689969013334133351333613337158501585115852158531585418562,1856318564185652104321044210452104604/04/90O4/11/SO04/18/9Q04/25/9005/02/9005/Q9/SO05/16/9Q05/23/9005/30/9Q06/06/9006/13/9006/20/9Q06/27/9007/05/9007/11/9007/18/9007/25/9008/Ol/SOOS/OS/SO08/15/9008/22/SO08/29/9009/QG/SO09/12/9009/19/9009/26/90IO/O3/SO10/10/9010/17/9010/24/9010/31/90ll/07/9011/14/9011/21/90ll/28(9012/05/9012/12/9012/19/9012/26/9016401Eol1.720.1E0118201Eol1.820.1E011.7%0.1E011.72O.lE011.9%O.lE011.9%0.1E011.8%O.lEOl2.0%O.lE012.0%0.1E011.7%0.1E011.7k0.1E011.9k0.1EOl2.020.1E011.7kO.lEOl1.7%O.lE011.84O.lE011.820.1E011.920.1EOl1.82O.lE011.62O.lE011.7RO.lE011.3%0.1E012.0k0.1E012.020.1EOl1.820.1E012.02O.lE012.0k0.2E011.9%O.lEOl2.1kO.lE012.1k0.2EOl1.9k0.1E012.0%0.1E011.8k0.1EOl1.7%0.1E012.0%0.1EOl2.04O.lEOl1.8k0.1E01122 GA5KbfANlu-154)88292882938829488295882S69222392224922259222695368953699537095371976149761597616976170067600677006780067900680,0417704178041790418006940069410694206943097160971709718097190972Q133581335913360133611588015881158821588315884Ol/03/9Q01/10/9001/17/9001/24/9001/31/9002/07/9002/14/9002/21/9002/28/9003(07(SQ03/14/9003/21/9003/28/9004/04/SO04/11(9004/18/9004/25/9005/02/9005/09/9005/16/9005/23/9005/30/9006/06/9006/13/9Q06/20/9006/27/9007/05/9007/11/SO07/18/9007/25/SO08/01(9Q08/08/9008/15/9008/22/9008/29/90OS/05/SO09/12/SO09/19/9009/26/9010/03/9010/10/9010/17/9010/24/9010/31/901.4620.15E051.4420.14E051.4520.15E051.3920.14E051.4620.15E051,4420.14E051.4320.14E051.4020.14E,051.4020.14E051.4320.14E051.41k0.14E051.4620.15E051.3720.14E051.40k0.14E051.37k0.14E051.4220.14E051.4?k0.15E051.43k0.14E051.44k0.14E051.4320.14E051.4520.15E051.42k0.14E051.40k0.14E051.4320.14E051.4320.14E051.4420.14E051.4220.14E051.4120.14E051.4120.14E051.4420.14E051.4520.15E051.4420.14E051.422Q.14E051.3520.14E051,3820.14E051.46k0.15E051,22k0.12E051.41k0.14E051.3320.13E051.382Q.14E051.38k0.14E051.4420.14E051.42k0.14E051.40k0.14E05123 GAhBKh(Eu-154)(Cont.)185861858718588185892106721068210692107011/0?/9011/14/90II/21/90II/28/9012/05/9012/12/9012/19/9012/26/901.39i0.14E051.4220.14E051.4420.14E051.3520.14E051.4520.15E051.4220.14E051.43k0.14E051.40k0.14E058827788278882798828088281922119221222132214953569535795358953599760297603976049760500661006620066300664006650416504166041670416806928069290693006931701TRITHJM-QX-3)AnfsDe01/03/90Ol/10/90Ol/17/9001/24/9001/31/9002/07/9002/14/9002/21/9002/28/9003/07/9003/14/9003/21/9003/28/9004/04/9004/11/9004/18/9004/25/SO05/02/9005/09/SO05/16/9005/23/9005/30/9006/06/9006/13/9006/20/9006/27/9007/05/9007/11/9007/18/9007/25/9008/01/90AtiviCi12.720.2E032.720.1E032.620.1E032.920.1E032.82Q.lE032.620.1E032.92O.lE032.720.1E032.520.1E032.7%0,1E032.6kO.lE032.8kO.lE032.82O.lE032.72O.lE032.8%0.1E032.520.1E032.8k0.1E032.72O.lE032.720.2E032.6%0.1E032.8k0.1E032.7k0.1E032.520.1E032.520.1E032.420.2E032.520.1E032.6k0.1E032.520.1E032.420.1E032.720.1E032.420.1E03124 09702097030970409?051334613347133481334915865158661586715868158691857418SVS18576185772105521056210572105808/08/9008/15/9008/22/9008/29/SPOS/05/9Q09/12/go09/IS/9009/26/90IQ/03/90IO/IO/SO10/17/gp10/24/9010/31/90ll/07/go11/14/SQll/21/90ll/28/9012/OS/SO12/12/9012/19/9012/26/902.422.7f2.522.4k2.422.622.522.622.622.522.5k2.5J2.5k2.7k2.422.422.622.6k2.8k2.7k2.?2O.IE030.1E03O.lE030.1E030.1E030.1E03O.lE030.1E030.1E030.1E030.1E030.1E03O.lE030.1E03O.lE030.2E030.1E030.1E030.1E030.1E03O.lE0312S TeledyneIsotoyesIn-Bourn%saksSampleResults1990-WaterGROSSALE%BL882578825888259882608826192195921969219792198953409534195342953439758675877588758900594005S50059600597005980414904150041510415206912069130691406915,'968109682096830968409685Ol/03/9001/10/9001/17/9001/24/9001/31/9002/07/9002/14/9002/21/9002/28/9003/07/9003/14/9003/21/9Q03/28/9004/04/eo04/11/9004/18/9004/25/9005/02/9005/09/9005/16/9005/23/9005/30/9006/06/9006/13/90O6/2O/SO06/27/SO07/05/9007/11/9007/18/9007/25/9008/01/9008/08/9Q08/15/Soo8/22/eo08/29/90L.T.7.E-01L.T,6.E-01L.T.5.E-01L.T.6.E-01'.T.5.E-01L.T.5.E-OIL.T.7.E-01L.T.3.E-01L'.T.6.E-01L.T.6.E-OlL.T.6.E-01L.T.4.E-01L.T.4.E-OlL,T.4.E-01L,T.6.E-01L.T.5.E-olL.T.4.E-01L.T.6.E-01L.T.6.E-01L.T.4.E-01L.T.4.E-01L.T.8.E-01L.T.4.E-01L.T.4.E-olL.T.6.E-01L.T.5.E-olLT.4.E-olL.T.7.E-olL.T.7.E-01L.T.7.E-01L.T.4.E-OlL.T.6.E-01L.T.5,E-OlLT.'4.E-01L.T.5.E-01126 GROSS~gal(c~)13330133311333213333158451584615847158481584S185581855918560185612103921O4O210412104209/05/90os/12/so09/IS/9009/26/9010/03/so10/10/gQIO/17/go10/24/9010/31/soII/07/gpll/14/go11/21/9011/28/SO12/05/SQ12/12/9012/19/SO12/26/90L.T.5.LT.8.L.T.4.L.T.4.L.T.5.L.T.4.L.T.4.L.T.4.LT.6.L.T.6.L.T.4.L.T.7.L.T.4.,L.T.6.L.T.6.L.T.4.L.T.5.E-plE-01E-01E-01E-01E-01E-OIE-OlE-OlE-olE-OlE-01E-01E-01E-01E-01E-0188257882588825g8826088261921959219692197921989534095341953429534397586975879758897589005940059500596005970059801/03(gp01/10/90Ol/17/SQOl/24/gp01/31/gp02/07/SOo2/14/so02/21/SO02/28/SOO3/07/go03/14/go03/21/9003/28/9004/04/9004/ll/9004/18/9004/25/90o5/o2/so05/09(9005/16/9005/23/9005/30/90LT,L.T,L.T.L.T.L.T.L.T.L.T.L.T,L.T.L.T.L.T.L.T.L.T.L.T.L.T.L.T.L.T.L.T.L.T.L.T.L.T.L.T.8.E-019.E-OI8.E-Ol7.E-017.E&I7.E-Ol7.E-017.E-018.E-ol7.E-018.E-Ole.E-Ol7.E-ol8.E-OI7.E-018.E&17.E-018.E17.E-Ol6.E-017.E-018.E-Ol127 CROSSazmg,i04149041500415104152069120691306914069150968109682og68309684096851333O13331133321333315845158461584?584884985581855918560185612103921040210412104206/06/9006/13/9006/20/9006/27/9007/05/9007/ll/9007/18/9007/25/90o8/ol/soo8/o8/go08/15/90o8/22/so08/29/SO09/05/SO09/12/go09/19/9009/26/gO10/03/go10/lo/go10/17/9010/24/9010/31/9011/07/9Q,ll/14/9Qll/21/gO11/28/9012/o5/so12/12/9012/19/SO12/26/90L.T.7.F-OlL.T.7.E-01L.T.8.E-01L.T.7.E-OILT.8.E-01L.T.7.E-01L.T.8.E-01L.T.8.E-01L.T.8.E-01L.T.7.E-OlL.T.8.E-014T.7.E-01L.T.8.E-01LT.8.E-olL.T.8E-OlL.T.7.E-01L.T.8.E-01L.T.8.E-01L.T.8.E-01LT.1.EOOL,T.7,E-OlL.T.8.E-OlL.T.8.E-01L.T.7.E-01L.T.7.E-01L.T.8.E-01L..T.8.E-01L.T.8.E-01L.T.9.E-01L.T.8.E-01TRITM-g-3)8828?88288882898829088291922199922092212201/03/90Ol/10/9001/17/90OI/24/90Ol/31/So02/07/9002/14/9Q02/21/9002/28/90L.T.L.T.L.T.L.T.L.T.L.T.L.T.L.T.L.T.2.E022.E02l.E022.E02I.E022.E02I.E02I.E021.E02128 TRImJM-QX-8)(Cont.)953649536595366953679761097611976129761300671006720067300674006750471304714041750417606936069370693806939097110971209?130971409715133541335513356133571587515876158771587815879185821858318584185852105921064210652106603/07/9003/14/9003/21/9003/28/9004/04/SO04/11/9004/18/9004/25/9005/02/9005/09/SO05/16/SO05/23/9005/30/9006/06/9006/13/9006/20/9006/27/9007/05/9007/11/9007/18/9007/25/9008/01/9Q08/08/9008/15/9008/22/9008/29/9009/QS/9Q09/12/9009/19/9009/26/9010/03/SO10/IQ/9010/17/9010/24/9010/31/9011/07/9011/14/90ll/21/9011/28/9012/05/9012/12/9012/19/9012/26/90L.T.1.E02L.T.2.E02LT.2.E02L.T.2.E02LT.1.E02L.T.2.E02L.T.2.E02L.T.1.E02L.T.I.E02L.T.2.E02L.T.l.E02L.T.1.E02L.T.l.E02L.T.2.E02L,T.l.E02L.T.1.E02L.T.2.E02L.T.2.E02L.T.I.E02L.T.l.E02L.T.l.E02L.T.l.E02L.T.I.E02L.T.2.E02L.T.l.E02L.T.1.E02L.T.2.E02L.T.l.E02L.T.2.E02L.T.1.E02LT.2.E02L.T.2.E02L.T.l.E02L.T.1.E02L.T.2.E02L.T.1.E02LT.l.E02L.T.2.E02LT.1.E02L.T.l.E02'L.T.2.E02LT.2.E02L.T.2.E0212Q APPENDIXJTLDQUALXTFCONTROLPROGRAM130 TLDQUAUXFCONTROLPROGRAMTeledyneIsotopesperformsanin-housequalityassurancetestingprogramfortheenvironmentalTLDlaboratory.OnaquarterlybasistheQAmanagerexposesgroupsofTLDstothreedifferentdosesusingaknowncesium-137exposurerate.Typicalexposuresarebetween20and80mR.TheTLDsarereadoutoneachofthethreeModel8300ReadersintheenvironmentalTLDlaboratoryandthecalculatedresultsarereportedtotheQAmanager.TheQAmanagerevaluatestheresultsandwritesareportdiscussingtheperformanceofthelabs.For1990allresultswerewithintherequirementsofRegulatoryGuide4.13,SectionC.Thestandarddeviationswerelessthan7.5%andthevariationsfromtheknownwerelessthan3(P/0.Theaccompanyinggraphsshowthenormalizeddeviationsofthemeasureddosestotheexposuredosesforeachofthethreereaders.131 QUALITTCONQL-TLDSTLDREM)2050.50IX/$.'I~'IoIg>>~yr1~~af01/8907/8910/8901/9007/9010/9001/910~-LowDose0--l1lddleDoseQHighDose QUALITYCONTROL-TLDsTLDRFMDER2111.50.5/o/ii/S/./'~~~aoP/~ag~p0l/890</8907/89lo/890l/90On/9007/90lo/900l/9l0~>>LowOose0--MiddleOoseC}-Higt>Oose QUALICONTROL-'OLDSREADER2420.80.60.4D.24~/<</,/r0r'~cay~~~r0-~aay~-0.601/8907/8910/89Ol/90'4/9007/9010/9001/910~-LowDose0t1lddleDose0HtghDose