ML17320B029

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Radiological Environ Monitoring Annual Rept,1983.
ML17320B029
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Site: Cook  American Electric Power icon.png
Issue date: 12/31/1983
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4~L'4I44'l4Wj'UFT'IUUF~ih~QKQQ'ytI'4">>14$S1Q+"%C',4'Ig'~llhlRE8,MASTERFlL"-'.-;;-'-,'~Ul~~+rej'.-f9~~II~~)~~~>>~I~~~~~~~~~~~I~~~~~~~~~~~~~~~~~~~~~~~r~~~~~~~~~~~~~~~~~~~~~~~~~!~~~~~~~~~~~~~~~~~~~~~!~~~~~I~~~~~~~~~~~~~~~~~~~~I>>~~~~~~~h~~~~I~~~~~~~~~~~~~~~~~~~~~~I~~~~~~~~~~~~h~~~~~~r~~~~~~~~~~~~~~~~~~~~t~~~~~~~~~~I~~~~~~~~~~~~I~~1~~~~~~~~~~f~~~~~~~~~~~~~~1~~~~~~II~r~~~~~~~~~~~~~~~~~~V~I<<~>>~~~~~~~~~U~~~~~~~~~I~~~~~~~~!~~~~~~V~~~!~~/~4I'I*r444'llI'>>*hLIAMERl'CANELECTRfC,PCSER,'SCRVFCKCQRPORATlOMI,1s1'",...<<".,;.,'::;,.",,.:;';Domtd;C.,Caotl.Nucteaj'ta~t'..,,'-:.-,;4QtU1.II4VI1I,FAOIOLOGtCALENVfRONMENTAIMONITORlNG*-,'.";;."'Anna/Reportt4',,','1983'K~-*.',~I'I'*,14',.QIl4I1III~.1U4QC4I4.ilU,i8405080204840423~.',-.'DRADOCK05000315PDR1%IL Ii TABLEOFCONTENTSSECTION1-Preface~PaePo.SECTION2-SamplingProgramSECTION3-AnalysisProgramSECTION4-ResultsandDiscussion14SECTION5-DataTablesIntroductiontoDataTablesAirborneI-131andParticulateFiltersRadionuclidesin~H.lkSamplesGammaEmittersinPrecipitationSamplesGammaEmittersinLakeWaterSamplesRadionuclidesinWellWaterSamplesRadionuclidesinSedimentSamples,.RadionuclidesinFishSamplesRadionuclidesinFoodCropsGammaRadiation(TLD)ListofMissedSamples313233394344454646464748SECTION6-QualityAssuranceData49 ABSTRACTThisreportpresentsthedataobtainedfromtheanalysesofenvironmentalsamplescollectedfortheAmericanElectricPowerServiceCorporationDonaldC.CookNuclearStationEnvironmentalRadiologicalSurveillanceProgramfortheperiod01January1983through31December1983.Theactivitypresentabovethedetectionlimitsintheroutinelycollectedsamplemediawasobser'vedtobeofnaturalAandatomosphericorigin.InnocasedidradioactivityfromtheCookNuclearPlantexceedthedesignobjectivesoftheCookRadiologicalEnvironmentalTechnicalspecifications.

INTRODUCTIONTheDonaldC.CookNuclearStationofAmericanElectricPowerServiceCorporationconsistsoftwo>lestinghousePNRunits(Unit1andUnit2).Eachunitconsistsofapresurizedwaterreactor(PllR)whichgeneratesabout3250megawatts(K0)ofheattogenerateabout1100~iWofelectricity.ThestationislocatedinBentonHarbor,Michigan.TheD.C.CookPlantutilizesapressurizedwaterreactorwitharadwastehold-upandtreatmentsystemthathasbeendesignedtokeepradioactivereleasesto"aslowasispractiblelevels.However,smallquantitiesofnoblegasesandradioiodinemaybereleasedtothesurroundingenvironment.Thequantitiesofradionuclidesreleasedtotheenvironmentareexpectedtobeminisuleandinsignificantasasourceofpotentialexposuretofloraandfaunainthearea.However,directradiationexposuretomanandradionuclideaccumulationsinvariouscomponentsoffoodchainstomanarecarefullymonitored.Theenvironmentalradiologicalmonitoringprogramisintendedtoservethefollowingpurposes:a)Toyieldaveragevaluesofradiationlevelsandconcentrationsofradioactivematerialinvariousmediaoftheenvironment.b)Toidentifysamplelocationsand/ortypesofsamplesthatdeviatefromtheaverages.c)Todocumentseasonalvariationsthatcouldbeerroneouslyinterpretedwhenthepowerstationisoperating.d)Toindicatetherangeofvaluesthatshouldbeconsidered"background"forvarioustypesofsamples.

ThebasicapproachfortheDonaldC.CookNuclearPlantistocon-trolthereleaseofradioactivematerialatlevelsfarbelowthatwhichwouldbeexpectedtocausedetrimentalimpactontheenvironment.Theenvironmentalradioactivitysurveillanceprogramwillbecloselycoord-inatedwithconditionsofplantoperationandsubjecttoperiodicreview.LevelsofenvironmentalradioactivityaresubjecttochangeforreasonsinnowayrelatedtotheoperationoftheD.C.CookNuclearPlant.Therefore,theradioactivitysurveillanceprogramhasbeende-signedtoincludereferenceor"background"stationsaswellas"indicator"stations.TheprogramissummarizedinTableI.ThisreportcontainsacompilationoftheresultsofanalysesofvarioustypesofsamplescollectedduringtheperiodJanuary1983throughDecember1983.

SECTION2SAPLINGPROGRAM AllsamplesarecollectedbyEberlinepersonnelandshippedtoEberline,AlbuquerqueLaboratoryinNewMexico.Thesamplecollectionproceduresremainedthesameasthosedetailedinthesemi-annualreportfortheperiod01Januarythrough30June]973.Uponreceiptofthesamples,theLaboratorystaffentersthesamplesinalogbookidentifyingthemastosampletype,collec-tiondate,andsamplecodenumberoflocation,thenv'erifiesthespecificanalysestobeperformedoneachsample.Thesamplesarethenstored,awaitinganalysis,onshelvesexpresslyforthispur-posetoassureaccountabili.tythroughtheLaboratoryprocesses.

Table1liststhesampleanalysisprogram-sampIetype,frequency,andthetypeofanalysisrequired.Table2liststheLLD's(LowerLimitsofDetection)fortheanaly-ticalprogram.TheseLLD'sarebasedontheRegulatoryGuide4.8.ForanalysesnotlistedinRegulatoryGuide4.8,FederalEPA,formerrequire-~mentsforsimilarprogramsorotherappropriateguidesareused.TheLLD'sarecalculatedatthe3a(99%confidence)level.TheGuidespecificallystatesthattheLLD'sarepriori,notaposteriori(afterthefa'ct)limitforaparticularmeasurement.Whenhowever,RG4.8orotherLLD'shavenotbeenachieved,afootnotegivingabriefexplanationhasbeeninserted.Mapsofsamplinglocationsareshownonpagesll-13.FigureIgivestheairsamplinglocations,FigureIIshowsother.samplinglocationsandTLDmonitoringlocations.

TABLE1ENVIRONHENTALMONITORINGPROGRAHDONALDC.COOKNUCLEARPLANTSampleTNo.StationInd.-BkCollectionFreuencAnalysisFreuencTypeAnalsisRemarksAirParticulate6464MeeklyMeeklyHonthlyGrossBetaGammaIsotopicCompositeofweeklycollections(a)Airborne1-131PrecipitationMeeklyMonthlyMeeklyHonthlyGammaIsotopicGammaIsotopicComposite,2SamplesByindicatorandbackgroundsamples.LakeMaterMonthlyHonthlyGammaIsotopicByindicatorandComposite,2backgroundsamples.SamplesWellWaterEvery18wks.Every18wks.GaaxnaIsotopicTritiumFishSemi-annualSemi-annualGammaIsotopicEdibleportiononly.

TABLEl(Cont'd)L'HVIRONHENTALMONITORINGPROGRAMDONALDC.COOKNUCLPARPLANTSample~TJ>eMilkSedimentTLDFoodCropsHo~StationsInd.-Bk3222(c)(c)11CollectionMonthlySemi-annualQuarterlyAnnualy~Analysis~FeP.uhaCyMonthlySemi-annualquarterlyAnnualyTypeAnalysisGammaI-131GammaIsotopicIsotopicTotalDoseGammaIsotopicRclnn1ks(a)January-MarchthemonthlycompositesofindicatorandBackgroundwereanalyzedforgammaemmittersasas2samples.BeginningApril1983compositesofindividualstationswereanalyzedforgammaemitters.(b)DeletedfromtheprogrambeginningApril1983.(c)BackupTLDbadgeforeachlocationwasplacedandanalyzedduring1983.

Table2SampleC'lassLOMERLIMITSOFDETECTIOV(LLD's)LLDAnalvs's'JnsAirParticulatesAirborneIodineMilk'ellMaterPrecipitationLakeMaterSedimentFishFoodCropsBackgroundRadiation(TLD)GrossBetaGammaIsotopicI-131I-131GammaIsotopicSr-89Sr-90LSTritiumGammaIsotopicGammaIsotopicGarhmaIsotopicGammaIsotopicGammaIsotopicGammaIsotopicGammaDose0.010.010.10.5105110001010100.150.130.06pci/mspCi/mspci/m3pCi./m3pCi./1pCi/1pCi/1pCi./1pCi/1pCi/1pCi/1pCi/gdrypCi/gwetpCi/gwetmR/week10 TRUEPLANTNORTHNORTHWlMETEOROLOGICALTRPROPERTYLINETO7ROADSL3T2W2-o+~R.R.TRACKLlW6SHORELINE4/~E-WPLANTQT08765KVYARD345KVYARD/CHESAPEAKE6OHIOR.R.T6W72,000FOOTRADIUSINTERSTATE94SCALE0l,0002,0003,0004,000FEETFIGUREILOCATIONSOFINDICATORAIRSAMPLINGSTATIONSA'ir,PrecipitationTTLOStationWWellWaterLLakeWater(takenatshoreline)

A-A1r,Prec1p1tat1on,TLDStat1onsL-LakeAterSampleStat1onsH-HIlkSampleStat1ons20HILES~1196MateCol194BENTONHARBORLST.JOSEPHM51Stevensv11eD.C.COONPLANT33Eaula1reH140NewBuffalo'94Br1dgmaPMBerr1enSpr1ngsNIlesM51HICNIGANCITYUS20US20MMICHIGANIEKViANewCarl1sleAIITIIBBIDScaleofHlles1020PICUREIIOFFSITELOCATIONSOFSAMPLINGSTATIONS12 M31VM'IV"LIVta'y'r"'"ja,.'""sco,o)e9MoVMTILVTV,IT~IIIII~8v909~JOVV92OL999994I,ala.ISD4taalrVVLLIT9ILT~~a~Vy9o339/OQQavolwI.72099MO~9P9M9~l5S0LVIL~IVI2294N27C"4399ERLNs5LI~I26~9HOTtiLI44'94IVi3IVM3j3499DLT9939~5M.R'0YAL3lII~IOI0,33N,IAROEhI0,I///TTI/I,//I/,/////JERIIS....-'"ai-'.:lIOi~LT.'.6avva4'aVVV9T9IuTMLI9704)9I6.aJJOI0SARODAl599999LLal..Lw.g2239illa&a~9JaPO490I23ILLL9VIIo6I2~~9~999@LQLO'VONt!'3'S~Tat)9LaVI>>994HINCHMAN~tt.I202I22OOtvoTVI0R"'8;NIOK:-IT'I6.'II5OVtt.8IVI~992I9.)VIJlu'Ioaowv34R0DA.VIZ36303l'29,2332734~l~9~%DVaLIa~I62I0IT/9~I~Tuvt6~),lJLWa9kpVil2.RedArrowHighwayandvicinityofI-94overpass.StevensvilleSubStation.3.WashingtonAvenuemidwaybetweenBrentwoodDriveandKingmanDrive.4.WashingtonAvenueandLincoRoad.FIGUREIII5.ClevelandAvenueandShawneeRoad.TLDMONITORLOCATIONS6:Holden'RoadandSnowRoad.LOCATEDONTHEFIVEMILERADIUSFROMTHEPLANT?.BridgmanSubStation.'8.CaliforniaRoadbetweenBrowntownandSnowRoads.9.RugglesRoadbetweenHinchmanandLemonCreekRoads.10.AtintersectionofHildebrantRoadandRedArrowHighway.13 SECTION3ANALYSESPROGRAM14 ANALYTICALPROCEDURESSamplesreceivedatthelaboratoryareanalyzedforthevariousrad'o-activecomponentsbystandardrad'ochemcalmethods.Thesemethodsareequalto,andinmostcases,identicalwith,thoseoftheU.S.D.O.E.1orthoseoftheFederalE.P.A.2Br'efdescript"'onsofanalyticalproceduresareavailableintheLab-oratoryProceduresmanualavailableattheCookNuclearPlantandtheradioanalyticalcontractor'slaboratory.AIRPARTICULATEFILTERSGrossBeta-Exposedairparticulatefiltersarecountedinlowback-groundGeigerorproportionalflow'etacountersusinganti-conc"'dencebackgroundsuppress'onaftertheshort-livednaturallyoccurringradonandthorondaughtershavedecayed.Filtersarecountedlongenoughtoensurethattherequiredsensitivity(LLD)ismet.GammaIsotopic-~!onthlycompositesofairparticulatefiltersgroupedby'nd'catorandbackgroundstationsintotwosamplesarecountedinhighresolution(GeLi)gammasoectrometersforperiodsoftime'ongenoughtoensurethattherequiredprogramsensitivity(LLD)ismet.1HASLProceduresManual,editedbyJohnH.Harley,HealthandSafetyLaboratory,USAtomicEnergyCommission,1972edition,revisedannually.'AationalEnviron..entalResearchCenter,EnvironmentalProtectionAgency;HandbookofRadiochemicalAnalyticamethods.ProgramElementIHA325.OfficeofResearchandDevelopment,LasVegas,Nevada89114.

CHARCOALCARTRIDGESAMPLES-IODINEI-131The'od'neisextractedfromthecharcoal,chemica>>yseparatedus'ng"'od'necarr'er,precipitatedasAgI,andcountednalowlevelbetacounter.Thechemicalrecoveryofiodineismeasuedgrav'met"'c-ally.VATESSA~~LES(IncludesLake,Veil,Precipitation)Gare~a..Isotoo"'c-Ameasuredaliquotofthesampleis'evaporatedtoasmallcontro'ledvolumeandcountedinastandardgeometryinah"ghreso'ution(GeLi).gammaspectrometerlongenoughtoensuremeetingthesensit'vty.-requiiementsoftheprogram.SeealsotheIntroduct"o..toDataTables.ITrit'm-Tt'umastritiatedwaterisanalyzedbyliquidsc'nt.11-atoncount"..gafterdistillation.Ifhighsensitiv'tyisnotrequ"red(ie.LLD"500pCi/1)thesampleisdistilled,mixedwiththeaporoo-r'atecount"ngphosphorsandcountedwithnofurther":treatment.Ifhighersensitivity'srequired(ie.<"300pCi/1)thesamp'e's'so-topicallyenr'chedintritiumconcentrationoriortoliquidscintill-at'oncount'ng.Isotopicenrichmentisdonebytheclass'calmethocofOstlundwhichinvolvesalkalineelectrolysisofapurif'edalcuotofsamo'undercontro"ledcondit'onsoftemoeratureandelectrodecurrentdensity.16 vTT~(SAlfPL~SI-131-Measuredamountsofcarrieriodideareaddedtoaknownvolumeofmil!candthe'oc"neextractedonanionexchangeresin.TheiodineisrecoveredandpurfiedbyclassicaliodinechemistrymethocswÃichare.simlartothosegiveninformerRegulatoryGuide4.3.Theyieldorrecoveryofiod'neismeasuredgravimetricallyandtheprecipitatedsampleismountedandcountedinalowlevelbetadetectorforalongenoughperiodtoensurethattherequiredLLDismet.GammaIsotonic-Ameasuredaliquotofsampleis.evaporatedandoven-dr'edtoastandardvolumeandcountedinafixedgeometry'nahghresolution(GeL')gammaspectrometerforalongenoughperiodtoensurethattherequiredLLDsarereached(seealso'IntroductiontoDataTables)~Strontium-89andStrontium-90-Stablestrontiumcarrierisaddedtoanaliquotofthesamplewhichisthendriedandashedathig'ntem-perature{>700c).Theashisdissolvedandthesolutiontreatedfromthispointoninthesamemannerasareairparticulatesamples.4ORGA'NICSAMPLES(Aquat"'cOrganisms,FoodCrops,Fish)Gammasotooic-Ameasuredaliquotofsampleisoven-dr.'edcrashedasappropriate,p'acedinacontrolledgeometryandcountedinah"'ghresolution(GeLi)gammaspectrometerforaperiodlongenoughtoen-surethattheLLDsoftheproc,ramwillbeset(seealsoIntroductiontoDateTables).17 SEDINEÃZSANPLESGammaIsotoic-Thesampleisoven-driedtofacilitatehandlingandthensievedtoremovedpiecesofstoneand/orotherlargepiecesofmaterial.Anappropriatesized,weighedaliquotofthesampleisthentransferredintoastandardgeometrycontainerandcountedforaperiodlongenoughtoensurethattheLLDsoftheprogramwillbemet(SeealsoIntroductiontoDataTables.)THEBNOLUNINISCEHTDOSINETERSEnvironmentalradiationdosesaremeasuredusingbadgescomprizingfivechipssealedinplasticprotectiveholdershavingadensityof50mg/cm2.TheTLDchipsare1/8"x1/32LiF(thalliumactivated)knowncommerciallyasHarshaw-100.Thechipsareallselectedtopro-videuniformresponsetowithinfivepercentofthemeanforthebatch.Priortoinstallation,thechipsareannealedbyastandardcycleof60minutesat400candimmediatecoolingtoambienttemperaturebyplac-ingthetraycontainingtheannealedchipsonanaluminumblock12"x12"xAfterexposurethechipsarereadonanEberlineInstrumentCorp-orationNodelTLR-6reader.Thesystememploysapreheatcyclewhichremoveslowtemperaturepeaksandintegratesanddigitizesonlythelightoutputinaselectedtemperaturerange.Thedoseiscalculatedfromtheaveragelightoutputforthefive'chipsandthestatisticaluncertaintyisthestandarddeviationofthefivereadings.Controlbadgesareusedtodetectanyunusualexposuretothebadgewhichmightoccurduringshipment.18 QUALX"YASSURANCEPROGRA~Quatyoproductor,servcehasalwaysbeenaprimarykeyto"n-creasensa'scustomersatisfaction,andprof"t.ThemanagementofEber'"'neInstr.entCorporationrecogn'zestheeverincreas'ngde...andPfohigheroua"tyandreliabilityforservicesrelatedtoprotect"ono"wor'.cersandtheenvironment.Xtisourfirmbeliefthatinorderto~udgetheworthofasupportservice,onemustknowtheph'losophybehind"'t.'ber>>new.'""provideonlythoseservicesforwh'chtisqualifiedancthesewilloeorovided'namannerthatisreliable,withaqualityassuranceprogramthatma'nta"'nsahghdegreeofclientconfidence.This.qualityassuranceprogramhasbeenprepaxedcons"'stentwiththefollowingspec"'f'ca-t'onspertheTechn"ca"and,QualityAssuranceRequirementsforSpecialPurposes.-EST-345.2,AmericanNationalStandardInstituteNRCBranchTechncalPositionofNovember1979FRC"RegulatoryGu.'de4,15,Revision1ofFebruary1979.3.TntercompaxisonProgramResultsofEberlineAlbuquerqueLaboratory'sparticipationintheUSEPA'sCrosscheckProgramareincludedinthemonthlyandannualreportsprov'dedtotheclient.Otherintercomparisonsinwhichweroutinelyparticipatenclude:EnvironmentalProtectionAgencyEnvironmentalMeasurementLabDOEQualityAssessmentProgramBattelleNorthwestLaboratoriesIAEAAnalyticalQualityContxolServiceUSVat'onalBureauofStandardsEachof,thelaboratorymanagersisresponsibleforpreparingspikesandblankstoberunroutinely.Everytenthsamplesisaspike,ablank,orasplitsample.RegualarQCreportsarepreparedbyalaboratorymanageronamonthly19 scheduleandforwardedtoeachclient.Eachrep'ortroutinelyincludes:resultsfromEICinterlaboratorycomparison,resultsfromEPACrosscheckprogram,andresultsfromotherintercomparisonprograms.Results-arerev'ewedbythelaboratorymanager.Ifaproblem"'s.'n-dicatedbythedata,thenatureoftheproblemisinvestigatedandcorrect'vestepstakenimmediately.AcopyofeachreportisalsoprovidedtotheQualityAssuranceYunageroftheNuclearServicesDivision.C.QualityAssurancePlanTheQualityAssuranceProgramfollowstherequirmentsofCompanyandDivisionManuals.ThediscussionbelowoutlinesQualityAssuranceProgramsasconductedinthelaboratoryandasrequiredinourQANanual.ProcedureApprovalEachproceduregoesthroughavigorousevaluationandreviewprocessbeforeitisincorporatedintothe'EICProcedures'Ymnual.Establishedpro-ceduresof.the.Env'ironmexital.Protects'on.Agency.(FPA)-:ortheEnvironmentalMeasurementsLaboratoryof,CheUSDepartmentofEnergy'E5K)areusedunlessthoroughtestinghasdemonstrated.thatanalternateprocedureisequaltoorbetterthantheEPA'rENLprocedure.'.Uniformproceduresareusedatbothlaboratoriestothefullestextent'ossible,exceptwhendeviationsarenecessarytomeetthespecificrequirementsoftheclient.Themanagerofeachlaboratoryandthequalityassurancemanagerreviewandapprovesignif-icantproceduralchangesbeforetheyareimplemented.EuimentCalibiationandMaintenanceEquipmentusedforquhlitativeorquantitativemeasurementsiscare-fu'lycalibratedand'maintainedwithrecordsofeachcalibrationormain-tenanceactionkeptinappropriatelogbooks.Totheextentpossible,certifiedstandardsareusedforallprimarycalibrations.Thefollowingstandardsareusedfortheapplicationindicated:20

~measurementGrossBetaTritiumGammaSpectrometryStrontium-89and90,GrossAlphaRadiationDoseCalibrationStandardSolution,ofStandardCscertifiedbyNBSor137AmershamSearleSolutionstandardofHcertifiedbyNBS3ISolutionstandardsofvariousgammaemitterscertifiedbyNBSorAmershamSearle.Standardsareusedtocalibrateeachcountinggeometryused.SolutionstandardsofSrcertifiedbyAmersham90SearleorNBSSolutionstandardsofPucertifiedbyNBSor239AmershamSearle.137Csgammasourcecross-referencedwithNBSusingR-meters.Raisusedforsomespecialapplication.hhensuitablestandardsarenotavailableforaspecificgammaemitter,quantitativegammaisotopicanalysis'isbasedonanenergycalibrationofthegammaspectrometerandthegammaenergyandabundanceinformationprovidedinTableofXsotopes,SixthMitionbyLedrer,Hollander,andPerlman.TheresultsoftheQualityControlProgramsare.summarizedinSection6.21 SECTION4RESULTSANDDISCUSSION22 Table3Iragc1of'NameofFacility:DonaldC.CookNuclearStationDocketNumber:50-3.15and50-315LocationofFacility:BerrienCountHichianStateReportingPeriod:Januar-December1983HediumorPathr"aySampled(UnitofHeasurement)TypeandLoverLi.mitTotalNumberofofAnalysesDetectionPerformed(LLD)AllIndicatorLocatiol1s1Hean'ameLocationwithHi~hestHeanHean(Range)ControlLocationsHeanl(Rani')NumberofNorr-routineReportedHeasrrrerncrrt~AirParticulates(pCi/m3)GrossB5260.010.03(284/317)OnSite5&0.01-0.0960.030.01-0.070.03(200/209)0.01-0.080AirborneIodine(pCi./rn3)Ce-14436Zr-9536Nb-9536Ce-14136RU-103360.010.010.Ol0.010.01Sr-902I-1315280.0010.OlOtherGamnra360.01Sr-892.-0.002ALLLLDALLLLD~ALLLLDALI.LLDALLrLDALLI.LDALLLLDALLLLDALLLLDNotApplicableNotApplicableNotApplicableNotApplicableNotApplicableNotApplicableNotApplicableNotApplicableNotApplicableALI.LI,DALLLLDALI.LLDALLLLDAllLLDALLLLDALLLLDALL'LI.DALLLLD000000000MellMater(nCi/1)Tritium281000GammaSpec.28102930(10/'5)OnSite44730(3/4)700(1/12)600/84002600-8400(a)AI.LLLDNotApplicableAI.I,LLDlqrfcarrarrdrangebasedondetectablemeasurcmcntsonlyFractionsindicatedinparenthesc:s.(a)Range:isnotreportedasonlyonedetectablemcasuremcntvasrvai3able.

Table3(Continued)Facility:DonaldC.CookNuclearStationPage2of3MediumorPathwaySampled(UnitofMeasurement)Milk(pCi/1)TypeandTotalNumberofAnalysesPerformed1-131109LowerLimitofDetection(LLD)0.5AllIndicatorLocationsMean1(Rane)ALLLLDLocation.withMeanName.~(Rane)NotApplicableControlLocationsMeanl~(Rane)ALLLLDNumberofNon-routineReportedMeasurements0Precipitation(pCi/1)LakeHater(pCi/1)S1-8920Sr-9020GammaSpec.10910GammaSpec.810GammaSpec.810ALLLLD2.0(12/12)1/5ALLLLDALLLI.DALLI.LDNotApplicableStevensville2.5(4/4)1-5NotApplicableNotApplicableNotApplicableALLLLD4.0(12/12)1-7ALLLLDALLLLDALLLLD000001Meanandrangebasedondtectablemeasurementsonly.Franctionsindicatedinparentheses.ee).0~~

0Table3(Continued)1'acility:DonaldC.CookNuclearStationPage3of3hfediumorPathwaySampled(UnitofMeasurement)TypeandTotalNumberofAnalysesPerformedLowerLimitofDetection(LLD)AllXndicato'rLocationsNean'-LocationwithI(~ibestHeanHeanName~(Rane).ControlLocationsHeanl(R~ane)NumberofNon-routineReported1'feasll'Cell)eatsSediment(pci/gdry)FoodCrops(pCi/gwet)GammaSpec.80.05GammaSpec.20.06ALLLLDALLLLDNotApplicableNotApplicableALLLLDALLLLD00Fish(pCi/gwet)fBackgroundRadiation(TLD)(mR/week)GammaSpec.80.13GammaDose920.1ALLLLD1.1(36/36)0.9+1.5NotApplicableALLLLDOnSite11.2(4/4)1.2(56/56)~1.0-1.50.9-1.6001Meanandrangebasedondetectablemeasurementsonly.Fractionsindicatedinparentheses.

ResultsofalltheanalysesforJanuarythroughDecember1983arepresentedinfullinsection5,DataTablespages33through48.Table3summarizestherangeandaverageconcentrationsformeas-.urementsattheindicatorand.controllocationswiththehighestannualmean.Specificfindingforthevariousenvironmentalmediaarediscussedbelow.AIRPARTICULATESAMPLESAtmosphericparticulatematteratafi.eldlocationisaccumulatedforaone-weekonaglassfiberfilterusingalow-volumeairsampleratacollectionrateofone'cubicfootper!minute.Thisparticulatemattercontainedonthefilteriscountedforbetaactivityinalowbackgroundcountingsystemaftertheshort-livednaturally-occurringradonandthorondaughtershavedecayed.Theaveragegrossbetaconcentrationfortheyea"forallindicatortationswas.0.03pCi/m,andwars0.03:pCijm.for.thebackgroundstation.3lDataforanaysesofindividualfiltersaregivenonpages33through36inSection5.Thefollowingtablesummarizestheaveragegrossbetaconcentrationsforbothindicatorandbackgroundstationsforeachyearfrom1973through1983.Thepreoperationaldatawerecollectedin1973and1974;operationaldatawerecollectedfrom1975throughthepresent.TABLE3IndicatorpCi/m3~BackroundPreoperational19731974Operational1975197619770.040.160.080.090.220.040.160.090.080.2226 0erational197819791980198119821983Indicator0.120.040.040.120.030.03Ci/m3~Backccuud0.110.040.040.110.030.03Theelevatedlevelsofgrossbetaactivityatbothindicatorandbackgroundlocationsduringpreoperationalandoperationalphasesfrom1974through1982weremainlytheresultofnucleartestexplosionsintheatmospherebythepeople'srepublicofChina.Suchteststookplaceon27June1973,17June1974,23January1976,26September1976,17November1976,17September1977,13birch1978,14December1978andOctober1980.Thedataindicatethatthereissignificantlynodifferencebetweenthelevelsofgross.betaactivitymeasuredattheindicatoraudback"groundlocationsfortheoperationalandpreoperarionalphasesoftheprogran..lTheactivitydetectedarenotattributabletotheoperationoftheCookPlant.AirborneI-131concentrationwas.lessthan0.1pCilmforall3samplesreceived.Thegammaspectrometrydataformonthlycompositesofairparticulatefilesbeginsonpage37.Be-7,anaturallyoccurringnuclideformedbytnecosmicrayinteractionwithnucleiintheupperatmosphere,wasdetectedinthecomposites.Theseweregenerallyintherangetobeexpectedfrommeasurementofthisnuclide,inthismedium.Noothergammaemittersweredetected.1SeeAnnualEnvironmentalÃonitoringReportsforD.C.CookPlantfrompreviousyearsfordetails.27 QuarterlycompositesofairparticulatefilterswereanalyzedforSr-89andSr-90.Sr-89concentrationswerebelowthedetectionlimitof0.002pCi/m3,andSr-90werealsobelowthedetectionlimitof0.001pCi/m3forbothindica-torandbackgroundlocations.Dataarepresentedonpage37.TheSr-89andSr-90analysesweredeletedfromtheprogrambeginningsecondquarter,1983.MILKSAMPLESMilksampleswerecollectedmonthlyandwereanalyzedforI-131,Sr-89,Sr-90andgammaemitters.Sr-89andSr-90analysesweredeletedfromtheprogrambeginningApril1983.Sr-89concentrationsmeasuredbelowthedetectionlimitof5pCi/linallsamplescollectedduringtheyear.Sr-90concentrationscontinuedtodisplayconsiderablevariation,whichistypicalforthiptypeofsample.Thisnu-elideisattributabletoworldwidefalloutfrombothrecentandoldernuclearthesprograms.Dataaregivenonpage39I-131concentrationswerebelowthedetectionlimi.tsoftheprogram.Dataarepresentedonpages39and41.Gammaemittersotherthanthosewhichoccurinnaturewerenotdetectedinallsmaplesatameasurementsensitivityof10pCi/1.Dataagegivenonpages40and42.PRECIPITATIONSAMPLESGammaisotopicanalysesofmonthlyprecipitationsamplesfromindicatorandbackgroundlocationsindicatethepresenceofnogammaemittersinconcen-trationsexceeding10pCi/l(<3000pCi/m).This;sampletypewasdeletedfrom2theprogrambeginningMay1983.Dataarepresentedonpage43'ELLWATERSAMPLESWellwateriscollectedfromsevenlocationsat18weekintervalsduringtheyearandanalyzedfortritiumandgammaemitters.28 Concentrationsoftritiumintherangeof600to8400pCi/1weredetectedinsamplesfromalltheindicatorstationsduringtheyear.Someofthesamplescontainedsmallamountsofhydrocarbonsandthesemayhaveinter-feredwiththemeasurementandcontributedtotheactivitytosomeextent.Itispossiblethatthetritiumfoundinthesesamplesisaresultofplantoperations.Gammaemitterswerebelowthedetectionlimitinallsamplesanalyzed.Dataarepresentedonpage45.LAKEMATERS34%'LESSamplesofwaterfromLakeMichiganarecompositedbyindicatorandbackgroundlocationsandanalyzedforgammaemittersonamonthlybasis.ThissampletypewasdeletedfromtheprogrambeginningMay1983.Thegammaemittersinthemonthlycompositesweremeasuredtobelessthanthedetectionlimitof10pCi/1pernuclideforallsamples.Dataaregivenonpage44.SEDIMENTSAMPLESSedimentsampleswerecollectedtwiceduringtheyearfromareasnorthandsouthoftheplant,attheon-siteandoff-sitelocations.Thesamplewereanalyzedforgammaemitters.Thegammaemitterswerebelowthedetectionlimitof0.15pCi/g(dry)1inallsamples.Dataaregivenonpage46.FISHS&fPLESFishsamplescollectedfromareasnorthandsouthoftheplant,bothon-siteandoff-sitelocations,wereanalyzedforgammaemitters.For.allsamples,gammaemitterswerebelowthedetectionlimitof0.13pCi/g(wet).Dataaregivenonpage46.29 FOOD'CROPSA"PLESBroadleafvegetableswerecollectedduringthefallharvestperiodfromon-siteandoff-sitelocationsandwereanalyzedforgammaemitters.Theywerefoundtobebelowthedetectionlimitof0.06pCi/g(wet)atbothon-siteandoff-sitelocations.Dataaregivenonpage46.GAMMADOSEGammaradiationdosewasmeasuredwithThermoluminiscentDosimeters(TLDs)onaquarterlyschedule.Atotalof.23locations(9indicatorand14background)weremonitoredduringtheyear.Throughouttheyear,therewasnostatisticallysignificantdifferenceindoseratesbetweenindicatorandbackgroundlocations,nordotheydiffersignificantlyfromdoseratesmeasuredinpreciousyears.Dataarepresentedonpage4/.30 SECTION5DATATABLES31 INTRODUCTIONTOTHE.DATATABLESThefollowinginformationwiX1behelpfulinunderstandingthepresentationofthedatainthetablesinthissection.WetWeightareportingunitusedwithorganictissuesamplessuchasvegetationandanimalsamplesinwhichtheamountofsampleistakentobetheweightasreceivedfromthefieldwithnomoistureremoved.DryWeightareportingunitusedforsoilandsedimentinwhichtheamountofsampleistakentobetheweightofthesampleafterremovalofmoisturebydryinginanovenatabout110forabout15hours.pCi/msareportingunitusedwithairparticulateandradioiodinedatawhichreferstotheradioactivitycontentexpressedinpicocuriesofthevolumeofairexpressedincubicmeterspassedthroughthefilterand/orthecharcoaltrap.Notethatthevolumesarenotcorrectedtostandardconditions.GammaEmittersorGammaIsotopicsampleswereanalyzedbyhighresolution(GeLi)gammaspectrometry.Theresultingspectrumisanalyzedbyacomputerprogramwhichscansfromabout50to2000kevandliststheenergypeakofanynuclidespresentinconcentra-tionsexceeding,thesepsitivitylimitssetforthatparticularexperiment.NA,NS,NRusedinplaceofaconcentrationwhenasamplewasnotavailable(NS),orwhenasamplewasnotanalyzedforsomespecificmeasurement(NA),orwhenananalysisisnotrequired(NR).ErrorTermsfiguresfollowing"+"areerror.termsbasedoncountinguncertaintiesatthe2a(95%confidence)level.Valuespre-cededbythe"<"symbolwerebelowthestatedconcentrationatthe3a(99%confidence)level.ExponentsExponentsnecessarytopreventdatatablesfrombeingcumbersomearehandledintheconventionalmannerofincludingtheminthecolumnheadings.SensitivityIngeneral,allanalysesmeetthesensitivityrequirementsoftheprogramasgiveninTable2.Forthefewsamplesthatdonot(becauseofinadequatesamplequantities,analyticalinterferences,etc.)thesensitivityactuallyobtainedin'theanalysisisgiven.Commentwhenallanalysesofaparticulartypeduringtheperiodresultedinconcentrationsbelowthesensitivitylimits,astatementismadeontheappropriatetableratherthanpresentingawholepageof"<"data.Ifallbutoneortwodatapointsarebelowthesensitivitylimits,thepreviouslymentionedconventionisfollowedandthefinitedataaregivenasfootnotes.32 DONALDC.COOKAIRBORNEIODINE-131*andGROSSBETAinAIRPARTICULATEFILTERS(MeeklyCollections)ON-SITE1ON-SITE2GrossBeta10~'N-SITE3Ci/msON-SITE4ON-SITECollectionDateVolume~m~~GrassVolume~msGrossVolume~m~GrossGVolume~msGross8VolumeGross01/04/8301/11/8301/18/8301/25/8302/01/83-~02/08/8302/15'/8302/22/8303/01/8303/08/8303/15/8303/22/8303/29/8304/05/8304/15/8304/19/8304/26/8305/03/8305/10/8305/17/8305/24/8305/31/8306/07/8306/14/8306/21/8306/28/83285270295310445435435430435445440300305340340320340380365390430445435405360350<1<1<11+12+11+1<11+11+11+11+1<11+1<11+11+11+11+11+11+11+11+11+11+11+1(14003903352952502002752902853153953103053252703003303603954104104254554353753851+11+1<11+15+11+11+12+14+12+1<11+1<12il2+12+11+11+12+12+11+1<l1+11+1(1250250250250250250250215210215210265300(a)6003003002952952952903153203453253255+14+11+12+11+14+]4+13+12+14+13+13+13+1(a)3+13+]3+12+12+13+14+1:2+12+13+12+12+13253203153153653704303953653703653002952802152302352302653303203203203253103353+13+12+12+12+1"6+13+13+12+15+13+11+12+11+12+13+1.3+12+13+13+]3+12+1)+I4+12+13+1215210210265580485400395400395395300280325315320315330325375475480475450400~4004+24+14+13+11+12+13+13+13+14+14+13+12+12+11+12+14+13+12+14+13+12+11+14+12+13+1*Iodinecartidges**-Nopowerdatainaresampledweekly.Concentrat'cnsae(O.l0pCi/mspCi/sample(a)seelistofmissedsamples.unlessotherwisenoted.

DONALDC.COOKAIRBORNEIODINE-131*andGROSSBETAinAIRPARTICULATEFILTERS(h'eeklyCollections)GrossBeta10Ci/maCollection-DateON-SITE1Volume~ms~GrossVolume~msGrossON-SITE2ON-SITE3Volume~msGrossON-SITE4Volume~msGrossgON-SITE5VolumeGross807/05/8307/12/8307/19/8307/26/8308/02/8308/09/8308/16/8308/23/8308/30/8309/06/8309/13/8309/20/8309/27/8310/04/8310/11/8310/18/8310/25/8311/01/8311/08/8311/15/8311/22/8311/29/8312/06/8312/13/8312/20/8312/27/8301/03/84335335315305285285295275285340330325315310520520340240240230200210250255'502452901+11+13+12+1<1<1<11+1<1<11+11+12+13+11+12+14+19+13+13+12+14+13+16+13+I34537536535525527025521521018529029028027051554529031530029024027080300(a)804554152+1<14+11+1<1<1<1<11+11+12+11+12+11+1<11+14+13+11+15+112+12+1330330335335330,3353303253603403403453403455505052352352352352453452702752702702652+13+13+12+14+13+12+13+14+13+13+13+11+16+12+12+12+13+14+14+12+15+23+14+15+15+I330335350345355355335350390380345335330350585510-2652502502503402602652502652752652+12+13+12+13+13+13+13+14+1<11+11+11+14+12+13+12+13+14'+14+13+12+12+15+14+14+14+1390.-335385400395405405235455420350330330330370385285340340270260275260260260265'552+13+14+13+13+13+11+13+14+14+13+13+13+17+12+13+12+13+14+14+13+]2+13+15~13+15+14+1<Iodinecartridgesaresampledweekly.('stimatedaveragevolume e~'~.1983DONALDC.COOK~~'IRBORNEIODINE-131+andGROSSBETAinAIRPARTICULATEFILTERS(WeeklyCollections)ON-SITE6GrossBeta102Ci/m~SOUTHBENDDOWAGIACCOLOMACollectionDateVolume(m~)Gross'etaCollectionDateVolume(m~)GrossBetaVolume(m~)GrossBetaVolume(m~)Gros'etaVoltage(ma)GrossBeta01/04/8301/11/8301/18/8301/25/8302/01/8302/08/8302/15/8302/22/8303/01/8303/08/8303/15/8303/22/8303/29/8304/05/8304/12/8304/19/8304/26/&305/03/8305/10/8305/17/8305/24/8305/31/8306/07/8306/14/8306/21/8306/28/83380903602552552502553152953203802802803252902802703352653453853903853803803903+12+13+12+15il4+13+13+13+14+12+13+13+11+12+l2+13+1(b)2+13+13+13+12+ll+l4+12+11+101/01/8301/08/8301/15/8301/22/8301/29/8302/05/8302/12/8302/19/8302/26/8303/05/8303/12/8303/19/8303/26/8304/02/8304/09/8304/16/8304/23/8304/30/8305/07/8305/14/8305/21/8305/28/8306/04/8306/ll/8306/18/8306/25/833553202953003002952702753002852852902802752902153102852903053153003303403203251+16+13+12+12+11+13+13+13+15+13+14+14+12+13+12+12+12+1l+l4+ll+l1+1l+l2+13+12+1355250425400405355320320285280275265265225245280265250'.270295290310-3153102953101+1<1(a)<12+13+13+11+12+15+13i'11+12+12+13+1l+l(a)3+12+12+13+l1+1l+l2+13+12+l345345300300305290300325335340345360355'302852952&52952853003103203253303353353+1<l4+12+13+13+13+12+12+15+13+11+13+12+14+1l+l2+13+12+13+13+12+1'+12+13+12+13153103353403253203102802902802802652852952852603253253203153353353203303253353+13+12+13+13+12+12+12+15+12+11+11+12+14+11+1l+l4+1l+l4+12+1l+ll+l2+13+1"Iodinecartridgesaresampledweekly.Concentrationsare<0,10pCi/m~unless(a)Missingfilter.Seelistofmissedsamples.(b)Estimatedaverageweeklyvolume.otherwisenoted, DONALDC.COOKAIRBORNEIODINE-131%andGROSSBETAinAIRPARTICULATEFILTERS(MeeklyCollections)GrossBeta10Ci/mON-SITE6NEMBUFFALOSOUTHBENDDOMAGIACCOLOI&CollectionDate07/05/8307/12/8307/19/8307/26/8308/02/8308/09/8308/16/8308/23/8308/30/8309/06/8309/13/8309/20/8309/27/8310/04/8310/11/8310/18/8310/25/8311/01/8311/08/8311/15/8311/22/8311/29/8312/06/8312/13/8312/20/8312/27/8301/03/84Volume(m3)380335380380375390375370400385375380325265735590260300280305315345275310275275250GrossBetaI+I3+14+12+13+12+12+13+I4+12+13+I2+13+19+12+12+11+12+14+14+I4+I<I4+I6+I4+I5+I5+ICollectionDate07/02/8307/09/8307/16/8307/23/8307/30/8308/06/8308/13/8308/20/8308/27/8309/03/8309/10/8309/17/8309/24/8310/01/8310/08/8310/15/8310/22/8310/29/8311/05/8311/12/8311/19/8311/26/8312/03/8312/10/8312/17/8312/24/8312/31/83Volume(me)335350325355350350365370380350410430395*395425440505445345415420320525575525430470GrossBeta3+I2+I4+I3+13+I3+13+1'+13+14+12+13+11+18+12+14+12+13+15+14+I4+I6+I2+I4+I2+14+1<1Volume(m3)305300315295315310315340325330345345330340335325365215300310305310255275255270250GrossBeta2+12+I3+14+13+I2+I1+11+14+14+12+13+1I+15+11+12+1'+13+13+13+I2+I2+I3+I2+I~3+24+A<IVolume(eP)330330315320325325320320335320315345320320430595365200255255250240250250250255240GrossBeta2+I1+13+I3+13+I2+I2+13+13+14+12+11+12+15+14+12+13+13+13+II+I5+I2+I4+II+II+11+IVolume(mt)320325320315300320325310320305300330325330510635750520265245400570300260300(n)60nGrossBeta2+II+I3+I3+I5+II+I2+13+I<I5+11+I1+I1+I2+12+11+11+11+12+II+II+I2+1I+I2+I(a)2+1<0.10unlessotherwisenoted.weekly.ConcentrationsareSeelistoFmissed.es.*IodinecartridgesaresampledSamplewasnotavailable.

1983DONALDC.COOKGAMAISOTOPIC.ANALYSISOFMONTHLYAIRPARTICULATECOMPOSITESMonthIndicatorStat'ionsCi/msBe-7~OtherBackroundStationsCi/msO~therJanuary'FebruaryMarch0.22+0.07'.23+0.050.34+0.04<0.01<0.01<0.010.17+0.060.28+0.060.42+0.06<0.01<0.01<0.01(Seefollowingpageforgammaisotopicanalysisquarterlyairparticulatecomposites.)STRONTIUM89ANDSTRONTIUM90ANALYSISOFQUARTERLYAIRPARTICULATECOMPOSITESr*CollectionPeriod1stQuarterSr-89<0.002Sr-90<0.001IndicatorStationsCi/msSr-89<0.002Sr-90<0.001BackroundStationsCi/mo+Analysisfrequencychangedtoquarterlyforgammaisotopicanalysisbyindividualstations.Strontium-89&90analysiswasdeleted.ThesechangesweremadeeffectiveApril1983.37*~P*,

1983D.C.CookPlantGammaIsotopicAnalysisofQuarterlyAirParticulateFilterCompositesLocationOilS-1ONS-2ONS-3ONS-4ONS-5ONS-6NBFSBNDONCOLONS-1ONS-2ONS-3ONS-4ONS-5ONS-6NBFSBNDOWCOLONS-1ONS-2ONS-3ONS-4ONS-5ONS-6NBFSBNDOItCOLCollectionDate2ndQuarterII3rdQuarter4thQuarterBe-70.22+0.090.43+0.120.58+0.160.70+0.180.52+0.120.46+0.130.53+0.140.51+0.170.36~0.130.43+0.14<0..1<0.10.4+0.10.3+0.10.4+0.10.3+0.10.3+0.10.2+0.10.3+0.10.1+0.10.5+0.10.3+0.10.6+0.10.6+0.10.4+0.10.4+0.10.5+0.10.2+0.10.2+0.10.2+0.1PCi/m3OtherGamma<0.01<0.01<0.01<0.01<0.01<0.01<0.01<0.01<0.01<0.01<O.O1<0.01<0.01<0.01<0.01<O.O1<0.01<0.01<0.01<0.01<O.O1<0.01<0.01<0F01<0.01<0.01<0.01<0.01<0.01<0.0138

,DONALDC.COOKSr-89*/90and1-131CONCENTRATIONSinMILKSAMPLES(MonthlyCollection)IndicatorStationsBackroundStationsCollectionSite:ra.mantevensvzeKGaienDowaiacKlSouthBendKlCollectionDate01/08/8302/05/8303/05/8303/26/8304/16/8304/30/8305/14/8305/28/8306/11/8306/25/83<0.5<0.5<0.5<0.5<0.5<0.5<0.5<.0.5(0.5(0.5<0.5<0.5<0.5<0,'5<0.5<0.5<0.5(0.5(0.5(0.5I-131Ci/1<0.5<0.5<0.5.<0.5<0.5<0.5<0.5(0.5<0.5.(0.5<0.5<0.5<0.5<0.5<0.5<0.5<0.5(0.5(0.5(0.5<0.5<0.5<0.5<0.5<0.5<0.5<0.5(0.5(a)(0.5Ol/08/8302/05/8303/05/8303/26/832+11+11+11+12+15+12+11+1Sr-90Ci/13+13+1'+12+17+17+14+13+13+12+12+12+1(Strontium-89and90analysesweredeletd:-romtheprogrambeginningweredeletedfromtheprogrambeginningApril1983.)+Sr-89wasdeterminedoneachsampleandwas(pCi/Iunlessotherwisenoted.{a)Samplenotavailableseelistingofmissedsamples.

1983DONALDCDCOOKRADIONUCLIDESinMILKS&PLES(MonthlyCollections)CollectionSite:CollectionDateBridmanK2IndicatorStationsStevensvilleKlGalienCs-137Ci/1BackroundStationsSouthBendKlDoraiacKl01/08/8302/05/8303/05/8303/26/8304/16/8304/30/8305/14/8305/28/8306/11/8306/25/83<10<10<10<10<10<10<10<10<io<10<10<10<10<lo.<10<10<10<10<10<10<10<10<lo<10<10<10<10<10<so<10<lo<10<lo<lo<10<10<10<10<10<10<10<10<10<10<10<10<10<ioOtherGammaEmittersCil01/O8/8302/05/8303/05/8303/26/8304/l6/8304/30/8305/14/8305/28/8306/11/83P6/25/83<10<10<10<10<10<10<10<10<10<10<10<10<10<10<10<10<10<10<10<10<10<10<10<lo<10<10<10<10<10<10<lo<10<lo<10<10<10<10<10<10<10<10<10<lo<lo<10<10<10<10(a)<10(a)Samplenotavailable,seelistingofmissedsamp..es.

CollectionSite:rmanCollectionDatetevensveKGaienI-131Ci/'-131CONCENTRATIONSinMILKSJQiPLES(Collectioneverytwoweeks)IndicatorStationsBackroundStationsDowaiacK1SouthBendKl07/09/8307/23/8308/13/8308/27/8309/10/8309/24/8310/08/8310/22/83~11/05/8311/19/8312/03/8312/17/83<0.5<0.5<o.s<0.5<o.s<o.s<o.s<o.s<o.s<o.5(o.s(0.5<o.s<0.5<0.5<0.5<0.5<o.s<o.5<o.s<0.5<0.5<0.5<0.5(0.5<0.5<o.s<o.s<o.s<o.s<0.5<0.5<o.s<o.s(a)(0.5~.0.5<0.5<0.5<0.5<o.s<o.5<0.5<0.5<0.5<0.5c'n.5<0.5<o.s<0.5<0~5<o.s<o.s<o.s<o.s<o.s<o.s<o.s(A.5(0.5(a)Seelistofmissedsamples.

DONALDC.COOKRADION'JCLIDESinYI"KSPPfPi.ES.(HonthlyCollec"ons)Xndiceor8taticnsBackroundStationsCollectionSite:CollectionDateBridmanK2StevensviileXlCs-137Ci/1GalenDowaiacKlSoutiIBendKl07/09/8307/23/8308/13/8308/27/8309/10/8309/2EI/8310/08/8310/22I8311/05/8311/19/8312/03/8312/17/83<10<10<10<10<10<10<10<10<10(10<io<50(10<10<10<10<10(10<io<0(1P(10<io<10<10<10<10<10<10(~0<'0<10<10<10(a;<io~50<io<10<10<10<10<10<10<io<10(ip<10<10<10<10<1O<10<10<io<io(503"nsrGammaBmittersCil07/09/8307/23/8308I13/8308/27/8309/10/8309/2C/8310/08/83lpl22I8311/05/8311/19/8312/03/8312/17/83<10<10<10<10<'0<10<1G<io<10<50<ip<50<10(10<~o<10<5.0<io<0<10<io(io('.0<10<19<ln(10(10<lO<1C<10(1C(io(a)<io<~10<10<10<10(1P<10<10<'0<10<10<in<10<10<10<10<1O<10<10<io<10<ina)See.'is"o"-missedsamps.lde 1983'ONALDC.COOKGAKfAISOTOPICANALYSISOFPRECIPITATIONS&PLESCollectionSites:CollectionPeriodJanuaryFebruaryMarchApril<10<10<10<0.60<0.60<0.60(MonthlyCollections)Indicator~Ci/1nCi/m2<10<0.20<10<10<10<10<0.20<0.30<0.60<0.40BBackBround~Ci/1nCi/m2(PrecipitationsamplesweredeletedfromtheprogrambeginningMay1983.)43

~~0~,rIItpf0e 1983DONALDC.COOKGA%Q,EMTTERSINLAKEWATERSAMPLES(MonthlyCompositesofIndicatorandBackgroundStations)GammaEmittersCi/1/nuclideMonthIndicatorComositeBackroundComositeJanuaryFebruaryMarchApril<10<10<10<10<10<10<10<10(LakewatercollectionhasbeendeletedfromtheprogrambeginningMay1983.)44 1983DONALDC.COOKRADIONUCLIDESINWELLWATERSAMPLES(18-weekIntervalCollections)CollectionSite:CollectionDateONS4TritiumCi/1BackroundStationsONS1ONS2ONS3IndicatorStationsONS5ONS6ONS702/10/8305/10/8308/11/83(b)ll/10/83(c)<1000<1000<10003200+900<10002200+900<1000<1000<.1000<1000<1000<1000<1000<1000<1000<1000<10002600+6001500+6004100+600600+600<1000700+500<10008400+6003300+5002800+500600+500GammaEmittersCi/102/10/8305/10/83(a)08/11/83(b)ll/10/83(c)<10<20<10<10<10<20<10<10<10<20<10<10<20<10<10<20<20<10<10<10<10<10<10'10<10<20<10<10(a)Insufficientsampleformoresensitiveanalysis.(b)SamplefromONS-1wascollectedonlyon08/24/83duetoloss-ofpower.(c)SamplefromONS-3wascollectedon11/17/83andfromONS-5onll/21/83.0

~~DONALDC.COOKRADIONUCLIDESINSEDIMENTSAMPLES(SemiannualCollections)CollectionSiteONSNONSSOFSNOFSSONSNONSSOFSNOFSSCollectionDate05/24/8305/24/8305/24/83OS/24/8310/18/8310/18/8310/18/8310/18/83C'/(dr)GammaEmittersCs-134Cs-137<0.15'O.15<0.15<0.15<0.15<0.15<0.15<0.15RADIONUCLIDESINFISHSAMPLES(SemiannualCollections)CollectionSiteNorthonsiteNorthoffsiteSouthonsiteSouthoffsiteNorthonsiteNorthoffsiteSouthonsiteSouthoffsiteCollectionDate05/06/8305/06/8305/06/8305/06/8309/28/8309/28/8309/28/8309/28/83~Cii(wee)GammaEmittersCs-134,Cs-137Co-58Co-60Nn-54<0.13<0.13<0.13<0.13<0.13<0.13<0'3<0.13Fe,En-65<0.26<0.26<0.26<0.26<0.26<o.26<0.26<0.26RADIONUCLIDESINFOODCROPS(AnnualFallHarvestCollection)CollectionSite:CollectionSample09/19/83BroadLeafVegetable(grapes)ONSiteOFFSiteCi/wet)GammaEmitters<o.o6<0.0646P DONALDC.COOKGAMA.RADIATION(Quarterly)(MeasuredusingThermoluminiscentDosimeters)DateAnnealed:DateRead:12/13/8204/05/831st03/21/8307/18/832ndOtr.06/22/8310/21/833rdOtr.09/23/8301/16/844thMainTLDBackupTLDMainBackupTLDTLDMainTLDBackupTLDMainTLDBackupTLDLocationIndicatorStationsMeasuredmR/weekOn-Site1On-Site2On-Site3On-Site4On-Site5On-Site6On-Site7On-Site8On-Site9BackgroundStationsColomaDowagiacNewBuffaloSouthBendOff-Site-1Off-Site-2Off-Site-3Off-Site-4Off-Site-5Off-Site-6Off-Site-7off-Site-8Off-Site-9Off-Site-101.1+0.31.0+O.l1.0+0.11.0+0.21.1+O.l0.9+0.21.1+0.11.0+0.21.1+0.11.0+O.l1.0+O.l1.1+0.212+011.0+0.11.0+0.1l.1+0.21.1+0.21.0+0.31.1+01.0+O.l1.2+O.l1.2+0.21.0+0.21.0+O.l1.1+0.11.0+0.11.0+0I1.0+O.l0.9+O.l.0.9+O.l1.0+0.21.0+0.20.9+0.20.9+0.11.2+0.11.1+0.31.0+0.21.0+0.10.9+0.11.1+0.11.1+0.2l.1+0.21.0+0.21.2+0.31.2+0.31.0+0.21.0+0.1l.1+0.11.0+0.11.0+0.10.9+0.11.0+0.11.1+0.11.0+0.11.0+0.11.0+0.11.0+0.11.1+0.11.1+0.11.1+0.11.1+0.11.0+0.11.1+0.1.1+G.l1.0+O.l0.9+0.11.0+0.11.1+0.10.9+0.11.1+0.11.0+0.11.0+O.l1.0+O.l1.0+0.11.0+O.l1.0+0.10.9+0.11.1+0.11.0+0.1'.0+0.11.1+0.11.0+0.10.9+0.11.0+0.10.9+0.11.1+0.11.0+0.1F0+0.11.0+0.11.1+0.11.2+0.11.1+0.11.1+011.1+0.11.1+0.1l.0+0.21.0+0.21.0+0.11.1+0.11.0+0.21.1+0.2l.0+0.1l.0+0.1l.1+0.21.0+0.11.2+0.21.0+0.11.1+0.21.1+0.21.1+0.11.1+0.11.0+0.21.1+0.11.2+0.21.1+0.2l.0+0.11.0+0.21.0+0.11.0+0.11.1+0.11.0+0.11.1+0.11.1+0.11.1+O.l0.9+0.1l.0+0.1l.0+0.10.9+0.1l.0+0.31.1+0.11.0+0.11.1+0.11.0+0.11.1+0.10.9+0.11.2+0.11.1+0.1l.1+0.21.5+0.21.4+0.21.4+0.11-.4+0.21.5+0.21.2+0.2Missing1.4+0.11.4+0.11..4+0.21.4+0.11.5+0.21.6+0.21.4+0.21~4+0.21.3+0.21.6+0~21.6+0.21.5+0~21.3+0.11.3+0.21.3+0.21.4+0.21.4+0.21.4+0.11.3+0.11.4+0.11.4+0.11.4+0.21.4+0.21.3+0.11.4+0.11.4+0.21.4+0.21.4+0.11.3+0.11.3+0.11.3+0.11.4+0.11.4+0..21.4+0.11.5+0.11.4+0.11.6+0.21.5+0.11.4+0.2 COOKLISTINGOFMISSEDS82PLES1983SamoleTeLocationExpectedCollectionDateReasonAP/CCMilkAp/CCMilkSBNONS-3SBNSBN.-ColomaGAL01/15/8304/05/8304/23/83..06/11/8312/24/8312/03/83Filterwaslostinthewind+SamplewaslostFilterwaslast.NotAvailableNotAvailableNotAvailable*r48 SECTION6QUALITYASSURANCEDATA49

~0'a1983gualitControlAnalsesSummarThetablebelowsummarizesresultsofsamplesxunfoxprocessqualitycontrolpurposesduringthesubjectyear.Theselistingsareinadditiontosuchmeasurementsasdetectorbackgrounds,checksourcevalues,radiometric-gravimetriccomparisons,systemcalibrationsetc.Detailedlistingofeachmeasurementaremaintainedatthelaboxatoxyandareavailableforinspectionifrequired.BlankSamleslbclide~AnalzadNumberofDeterminationsNumberofAnalysesExceedingtheLLDfor'hatAnalsisGrossAlphaGrossBetaH-3U-234Th-230Ra-226Pb-210I-131Sr-89,90Pu-239Am-241491019017193729813230000000000BlankE-131analysesareperformedwitheachbatchofsamplesprocessedallblankdatawerebelowthedetectionlimit.50 Nuclide~finalsedGrossAlphaGrossBeta'-3U-234.'h-230Ra-226.-Pb210Sr-90Pu-239Am-241-NumberofDet'ns49'$019017193729,81'3234within-2.s'igmaofknown.4910190'7,1937.'.29-'.81*,32.3'ithin3sigmaofknown4~"Differingfromknownb>3s'Nuclide~finalsedGrossAlphaGrossBetaH-3"'-23I4Th-230Ra-'226Pb-210Sr-89Sr-90Pu-239Am-241GammaNumberofDet'ns47"14215112io2119475412313eNo,Ajreeing471421511210201947'22"13No.AgreeingWithin3~simaNo.Differing~h'~3sima'-51 1983USEPA-EBERLIiMEINTERCONPARISONPROGRAMSamleTeAnalss{s,Value(EPA).,Value{ETC).~Un'tsAir-FilterAirFilterAirFilterAirFi'terAirFilterAirFilterAirFilterAirFilterFoodFoodFoogFoodPilkMilkKilkMilkMilk'Ailk'lilkMilk~a.ilkWaterMaterWaterWaterWaterWaterWatertWaterMaterWaterMaterWaterMaterMaterWaterMaterMaterWaterMater~='lphaBetaSr-90Cs-137AlphaBetaSr-90Cs-137Sr-89Sr-90I-131Cs-137Sr-89Sr-90I-131Cs-137Sr-89Sr-90"I-131Cs-137AlphaBetaAlphaBetaAlphaBetaAlphaBetaUSr-89Sr-90Sr-89Sr-90H-3H-3H-3Pu-239I-131I-131Cr-51Z6+'1-S.2-:--688,.720+2'.6,27+8,7'3+8.*736+8.710+2,h15+8.735+8.728+8.$37+16.431+8.737+8.718~2.655+10.426+8.71512+1311)+8~'7l4i2-.6-'"40+10.433+8.7,1550+13529i1331+8.711i8;"757i8.'7+5.022+5.014+87{16+8.,731~10.429.2+8.717.2+2.615+8.710~2.62560i6121529+3371210+5708.6i1.527+10.414+645+9'19+2-72+726+842+6'+141+412+510+231i1942+9(2752+2319+911+466+728+3-,18,50+190$4+6-16+3,54+436+20'550+210I7i2'44+617+3,46+57+224+213+233i227+512+822+47+55+23090+5101600+6001370+6009.0+0.519+416+2102+70'Ci/FilterpCi/Filterpci/FilterpCi/FilterpCi/Filter~pCj./Filter.pC'/F'lter;pCjJFilterpCj/kg.pcj./kgpQQ/krspCi/kgpCi/1pCi/1.pCi/'Ci-/1pC'/1pci/1pCi/1pCi/1pC>/1mc./1.pCi/1pCi/1pC'"/1pci'/1pCi/1pCi/1pCi/1pC"jlpCi/1pc'/1.pci/1pCi/1pCi/1pCi/1pCi/'Ci/1pCi/1pCi/1pCi/1pCi/152 SamnleTeMaterMaterMaterWaterMaterMaterMaterMaterWaterMaterMaterWaterHaterMaterWater,WaterWaterWaterWaterMaterWaterWaterMaterWaterWaterMaterWaterAnalvsisCo-60Zn-65.Ru-106Cs-134Cs-137-,(Cr-51Co-60Zn-'6'5Ru-106Cs-134Cs-137'a-226Ra228Ra-226='"Ra-228Ra-226Ra-228Alpha-'etaSr-89'Sr-90Ra-22'6Ra-228"Co-60Cs-134Cs-137UValue(EPA)22+921+9,48+920+919+951+8.719+8'4'0+8.7.52~8.715+8.722+8.712;7+3.304.8+0.703.1+0.812.0+0.5246~19.9.143+12.424+8.713~2;68.5+2.254.7+1.2130+8.733+8.727+8.725+10.4Value(EIC)23+320349+1321+320+342+3721+328+54613+322~36.6~2.0<6.04.4+1.3'22.5+0.8<5.387+39138+54'5+420+46.8~2.029+229+425+419ilUnitspCi/1pCi/1pC'/lpCi/1PCi/pCi/1pC'/lpCi/1pCi/1pCi/IpCi/1pci/1pCi/'Ci/1pCi/lpCi/1pCi/lpCi/1pCi/1pCi/1pCi/lpCi./lpCi/:pCi/1pC'1pCi/1pCi/1NOTE:Includesalldatareceivedfor1983samplesupto02/10/84.53 TLDINTERCOMPARISON'0CDATA(Eberline-BattellePacificNorthwestLabs)c1983TotalMR+2Sima'"1stQuarter2nd'Quarter'-"'rdand4thQuarterActual27:364045586969699797Measured24+632+337+441~753+562+664+664+985+1585~15Actual'0'-'0"84-68-50(Sp68-:.-..8499.,99Measured80+1485+1190+1370+1347.~550+759+781'897'16102+10*Actual15.'528~28,<<.4040"57--"57!88~,88Measured-'3+414+3-30+4',"34+737+440+7..52+5"~'8+675+1077+8NrH54~I F4I~4FI

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