ML17334B407

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Evaluation of Tritium Migration in Aquifer of DC Cook Nuclear Plant & Surrounding Communities. W/Two Oversize Drawings
ML17334B407
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Issue date: 09/30/1991
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EVALUATIONOFTRITIUMMIGRATIONINTHEAQUIFEROFTHEDONALDC.COOKNUCLEARPLANTANDSURROUNDINGCOMMUNITIESIndianaMichiganPowerCompanyDonaldC.CookNuclearPlantSeptember199191100i0256Pi09'24PDRADOCK050003i5so~

~jph>~,sa,'J1W TABLEOFCONTENTS~Sectio~PaeExecutiveSummary~~~~~~~~~~iiIntroductionBackground~~~~1InvestigationandActionTaken'ConclusionstotheNRC'sConcerns~~~~2~~o6ATTACHMENTHydrogeologicEvaluation'oftheDonaldC.CookNuclearPlantAppendixNo.1:AquiferPumpTestDataAppendixNo.2:WellLogsAppendixNo.3:TritiumAnalysisAppendixNo.4:TablesAppendixNo.5:Figures

  • EXECUTIVESUMMARYGroundwatersamplesobtainedfromenvironmentalmonitoringwellswithintheDonaldC.CookNuclearPlant'ssiteboundaryhavebeenfoundtocontainlevelsoftritiumgreaterthanpreoperational'levels.Theleveloftritiuminthesesamplesraisedaconcernthatoffsiteusersofwell'waterfromtheaffected'quifercouldbeimpactedandpromptedanevaluationofthispotentialdosepathwaytotheoffsitepopulation.Aspartoftheevaluation,aninvestigationtodeterminethesourceofthetritiumdetectedintheenvironmentalmonitoringwellsampleswasalsoinitiated.Eightactiveandtwoinactiveoffsitedomesticwell'swereidentifiedfor"samplingpurposestodetermineifthewellswere'sub)ectedtotheaffectedaquifer.Alleightactivewellsandthetwoinactivewellsweresampledandanalyzedfortritium,iodineandgammaemittingradionuclides.Inallbutonecase,nodetectableradioactivitywas'found.Thesamplewithdetectableactivityshowedatritiumconcentrationconsistentwithdocumentedpreoperationalgroundwatertritiumconcentrations.Thepresenceoftritiumintheonsiteenvironmentalmonitoringwellsamplesisthereforeconcludedtohaveno,impactonpublichealthandsafety.ThesourceoftritiumintheenvironmentalmonitoringwellsampleswasdeterminedtobetheonsiteAbsorptionPondwhichisupgradientfromthewellsandreceiveseffluentfromtheTurbineRoomSump.Havingdeterminedthetritiumsource,theRadiologicalEnvironmentalMonitoringProgram(REMP)willberevisedtoincludemonitoringofadditionalwells.Thelocationsoftheaddedmonitoringwellsarebasedonadetailedhydrogeologicstudyofthegroundwatersysteminthevicinityoftheplantsiteandwasperformed'sapartoftheevaluationtodeterminethepotentialoffsiteimpact.Basedonourinvestigation,thefollowingisasummaryofconclusionsdrawn:oShallowgroundwatermovementatthePlantSitewasclearlydelineated,asaresultofthisevaluation.oTritiummigrationhasnotresultedinadverseradiologicalimpactstotheoffsitepopulationbecause:-RadiologicalEnvironmentalMonitoringProgram(REMP)radionuclideReportingLevelswereneitherchallengednorexceeded,and-Radionuclideswerenotdetectedinoffsitewellsusedforhumanconsumption.oREMPmodifications,designedtomonitorthispotentialexposurepathway,willbeimplemented.

EVALUATIONOFTRITIUMMIGRATIONINTHEAQUIFEROFTHEDONALDC.COOKNUCLEARPLANTANDSURROUNDINGCOMMUNITIESINTRODUCTIOThisstudywasperformedtoevaluatetritiummigrationintheaquiferoftheDonaldC.CookNuclearPlantandsurroundingcommunities.Thisissuewasraisedduetoconcernsregardingthetritiumconcentrationidentifiedinonsiteenvironmentalmonitoringwellslocatedjustwestofthemainplantbuildings(environmentalmonitoringwells¹4,566).NRCconcernsandcommentsrelativetothismatter,aredocumentedininspectionreports50-315/90012(DRSS);50-316/90012(DRSS);50-315/90014(DRSS);50-316/90014(DRSS);50-315/91008(DRSS);50-316/91008(DRSS),asfollows:l.AnInvestigationofthehumanuseofthegroundwateraquifershouldbeperformed.2~Anevaluationofthesourceoftritiumfoundintheenvironmentalmonitoringwellsshouldbeperformed.3.TheODCMassumesthatnodrinkingwaterwellsdrawfromtheaffectedaquifer.AreviewoftheODCMassumptionregardingthebasisforprojectingwaterbornedosewillberequirediftheaffectedaquiferalsoaffectsdrinkingwaterwells.4.Thelicenseewillcompleteahydrogeologicevaluationstudyoftheaquifer.5.Anappropriatemonitoringprogramforthispathwayshouldbedeveloped.BACKGROUNDasawatershedboundarybetweentheglacialplaintotheeastandtheGrandMaraisEmbaymenttothewest.Testboringsandwaterlevelmeasurementsatthesiteindicatethatthegroundwatersystemisunconfined.Thebaseoftheshallowaquiferisdelineatedasthestratigraphiccontactbetweenthedunesandorthesandybeachdepositsandthelacustrineclaydeposits.Thesurfaceofthelakeclaysslopesupwardgradually.

Groundwaterisrechargedbyprecipitationinfiltratingthroughthepermeable,sandysurficialsoils.Surfacerunoffislimitedtominorquantitiesandisrestrictedtothenortheastandeasternportionofthesite.Basinsofinteriordrainageandcloseddepressionscharacterizemostofthesite.GroundwaterMonitorinProrams-Twoseparategroundwatermonitoringprogramsareactiveattheplant.TheRadiologicalEnvironmentalMonitoringProgramiscomprisedof7monitoringwellsfortheplantand4monitoringwellsforthetemporarysteamgeneratorstoragefacility.Thesewellsareusedtomonitortheshallowaquiferforradiologicalparameters.TheNPDESGroundwaterMonitoringProgramiscomposedofeight'ellsatfourlocations.Twowellsarelocatedateachsitewhereonewellisequippedwithasubmersiblepumptoobtainwatersamplesandtheotherwellisusedtoobservewaterlevels.OneaspectoftheNPDESGroundWaterMonitoringProgramistoevaluatesignificantchangesingroundwaterqualityandpotentiometriclevelswhichoccurneartheAbsorptionPond.TheAbsorptionPondcreatesagroundwatermoundandsuperimposesaradialflowpatternfromthepondcenterontheregionalflowregime.Thegroundwaterflowsystemwasalsoindirectlymodifiedbytheinstallationofsheetpilingin1973-74alongLakeMichigantocontrolbeacherosion.Thispilingwasdrivenintothelowpermeablelacustrinedepositsandcreatedabarriertogroundwaterflow.PondingoccurredbehindthisbarrierandeventuallyspilledoverthepilingandflowedagaintoLakeMichigan.Severaldrainswerecutintothepilinginordertoalleviatethepondingofgroundwater.III.INVESTIGATIONANDACTIONTAKEN1.HumanuseoftheaffectedroundwaterauifeDonaldCDCookNuclearPlant'sEnvironmentalSectionperformedawellsurveyin1990ofthoseresidentswithdomesticwellslocatedinRosemaryBeach(northoftheplant)andLivingstonHills(southoftheplant).Thecommunitiestotheeastoftheplantwerenotinvolvedinthewellcensusduetothefactthattheyarelocatedinadifferentgroundwaterbasinandarebeyondthepotentialinfluenceofanyplantactivityassociatedwiththeabsorption,pond(seeattachedhydrogeologicevaluation).2' Eightofthethirty-sevenresidencesintheRosemaryBeachcommunitywereidentifiedashavingwellssupplyingpotablewaterforhumanconsumption.Theeightresidencesarelocatedbetween2200feetand4100feetfromtheAbsorptionPond.Alleightwellsweresampledandanalyzedfortritium,iodineandothergammaemitters.Inallcases,analysisresultedinnodetectableactivity.Currently,RosemaryBeach'domesticwellsareusedforpotableandnon-potablesupplies,asopposedto,LivingstonHills'esidences,whoobtaintheirpotablewaterfromtheLakeTownshipMunicipalwatersystem.Twooftheinactivewells(MalmstadtandScupham)inLivingstonHills,weretemporarilyrepairedforthepurposeof,obtaininggroundwatersamplessincethesewellsarelocatedtheclosestt0theplant.TheMalmstadtwellislocated'approximately3200feetfromtheplantcenterand2450feetfromtheAbsorptionPond.TheScuphamwellislocatedapproximately3850feetfromtheplantcenterand3050feetfromtheabsorptionpond.Duplicatesampleswereobtainedfromeachwell.Onceagain,thesesampleswereanalyzedfortritium,iodineandothergammaemitters,NodetectableactivitywasidentifiedforeachMalmstadtsample.TheiodineandgammaspectroscopyresultsfortheScuphamsamplesshowednodetectableactivity.OnesampleanalyzedfortritiumfromtheScuphamareashowednodetectableactivityandtheother,aconcentrationof350pCi/1.Theconcentrationof350pCi/1isclearlywithinthepreoperational(1974)tritiumlevelsidentifiedingroundwaterwhichrangedfrom150-710pCi/1(asreferencedinAnnualEnvironmentalOperatingReports).Anadditionalwellwasdrilledin1990betweentheplantandLivingstonHills.Thewellislocatedapproximately3100feetfromtheplantcenter,and2300feetfromtheAbsorptionPond.Initialtritium,iodineandgammaspectroscopyanalysesofthewellsamplesshowednodetectableactivity.2.ThesourceoftrtiumoundintheenvironmentalmonitorinwellsTritiumhasbeendetectedinthedowngradientenvironmentalmonitoringwellsNos.4,5,6and7andwouldindicatetheAbsorptionPondasthesource.AnincreaseintritiumconcentrationforeffluentdischargedfromtheTurbineRoomSumptotheAbsorptionPondisaccompanied,ataconsistenttimeinterval,byanelevatedpeakconcentrationinthedowngradientwells.TritiumlevelsintheAbsorptionPondoverthepastten(10)yearswereevaluated.Duringthistimeperiod,eight.majortritiumconcentrationpeaksintheAbsorptionPondwereidentified.

Theplantoperationalstatuswhenthepeakswereobservedisasfollows:Peak¹1:,Unit1refuelingoutageCycleVIandVIIPeak¹2:Unit2refuelingoutageCycleIIIandIVI'eak¹3:Unit1refuelingoutage-CycleVIIandVIIIUnit2forceoutage-SteamGenerator(S/G)¹23tubeleakrepairPeak¹4:Unit2-S/G¹23leakrepairPeak¹5:Unit1-CycleVIII,10yearISIPeak¹6:Unit2-S/G¹23leakrepairPeak¹7:Unit2-S/Gtubeleak(908admin.limit)Peak¹8:Unit1-CycleIXandXAscanbeseenabove,eachma)orpeakobservedisassociatedwithaunitoutage.ItshouldbenotedthatsignificantprimarytosecondaryleakagewasidentifiedintheUnit2S/Gsinthemid1980's.Furtherinvestigationshowedthatduringthistime,aleakfromtheS/Gblowdownline(whichrunsthroughtheTurbineRoomSump)occurred.ThisleakprovidedapathwayforS/GsecondarysidewatertoentertheTurbineRoomSumpduringS/GsecondarysidedrainsandS/Gblowdownoperation.In1987,theblowdownlinewasrepairedandtheUnit2S/Gswerereplaced.Asexpected,therewasasignificantdecreaseintheconcentrationoftritiumdischargedtotheAbsorptionPond.Tocontinuethisinvestigation,thetritiumdatafromtheAbsorptionPondwerethencomparedwiththedatafromenvironmentalmonitoringwells¹4,5,and6(Seefigures12,13,14,and15ofAppendix5oftheHydrogeologicEvaluationReportforagraphicalcomparisonofthetritiumpeaksintheAbsorptionPondandtheenvironmentalmonitoringwells).ThepurposeofthiscomparisonwastodeterminethecorrelationbetweentritiumlevelsinthewellsascomparedtothatoftheAbsorptionPond.ItwasnotedthatwheneverariseintritiumconcentrationoccurredintheAbsorptionPond,approximatelysixteenmonthslater,therewasasignificantincreaseintheconcentrat'ionoftritiumenvironmentalmonitoringwellsamples.

0II TheAuxiliaryBoilerFuelOilStorageTankswerealsoconsideredasapossiblesourceforthetritiumfoundintheenvironmentalmonitoringwells.Thesetankswereaconcernbecauseitisallowed,perTechnicalSpecification3.11.2,forwasteoiltobeaddedtotheAuxiliaryBoilerOilStorageTanksforincineration.Someofthewasteoilwascontaminatedwithradionuclides.However,aleaktestrecentlyperformed,onthetanksindicatednodetectableleaks.3.ODCMassumtionsreardinthatnodrinkinwaterwellsdrawfromtheaffectedauiferThehydrogeologicstudysupportstheODCMassumptionsthatoffsite"drinkingwaterwellsarenotsuppliedbytheaffectedaquifer.Inaddition,samplestakenfromoffsitewellsshowednoactivitygreaterthanthebaselinepreoperationaltritiumlevelspresentedearlierinthisreport.TheassumptioncurrentlyusedintheODCMfordoseassessmentareconservative,inthatreleasesfromtheTurbineRoomSumptotheAbsorptionPondareconsideredreleasestoanunrestrictedarea.4.HdrocoloicEvaluationoftheDonaldCCookNuclearPlantAhydrogeologicstudy(Attachment1ofthisreport)hasalsobeenpreparedtoevaluatethepotentialenvironmentalimpacts,ifany,resultingfromthedischargeoftheTurbineRoomSumpeffluenttotheplant'sAbsorptionPond.Thisreportdefinesthearealandverticalextentfortheaquiferbaseduponareviewofprevioushydrologicstudies.ThebaselinegroundwaterqualityisderivedfromareviewofthepreviousDames&MooreenvironmentalsitestudyandtheupgradientobservationwellofthecurrentNPDESGroundwaterMonitoringProgram.Initialsiteinvestigationsobservedstaticwaterlevelsrangingfrom582to609ft.AgeneralizedpotentiometricmapwhichcharacterizesbaselineconditionsisdepictedinFigure5ofthe"HydrogeologicEvaluationReport".Thegroundwaterstaticwaterlevelelevationsreflecttosomeextenttheirregulartopographyofthedunesandbasin.ThedirectionofthegroundwaterflowistowardthewesttoLakeMichigan.5.odificationtotheREMPProrTheRadiologicalEnvironmentalMonitoringProgram(REMP)willbemodifiedtoincludethesamplingofanadditionalfourwellsalongLivingstonRoad,andEW¹7(SeeattachedHydrogeologicEvaluationreport).

Thesewellswillbeusedtomonitorthegroundwateralongthesouthandnorthsitepropertyline.Inaddition,anewwellnearthevisitorcenterwillbedrilledandmadeoperablefo'sampling.RelativeanalysesandtestresultswillbereviewedandevaluatedaspartofthequarterlyanalysisoftheREMPdata.Basedoncurrentoperational'levels,anactionlevelof10,000pCi/1willbeimplementedforTurbineRoomSumpdailyandweeklycompositesamples.Exceedingthisactionlevelwillinitiateacompleteinvestigationofthecauseoftheincreaseintritiumconcentration,anymitigatingactiontobetakenandtheeffectitmayhaveontheaquiferdosepathway.Coclusions1.Humanuseoftheaffectedauifer'hemigrationoftritiatedwaterseepingfromtheAbsorptionPondjoinstheregionalflowanddischargesintoLakeMichigan.Itisconcludedthattherehasbeennooffsiteimpacttodomesticwellslocatedeithernorthorsouthoftheplantbasedontheenvironmentalstudiesoftheaquifer.However,theDonaldC.CookNuclearPlantwillcontinuetoactivelymonitorthispotentialpathway.2.Thesourceoftritiumfoundintheenvironmentalmonitorinwellsfourfiveandsix'tisconcludedthatthesourceoftritiumfoundintheenvironmentalmonitoringwellsoriginatesfromdischargestotheAbsorptionPondfromtheTurbineRoomSumpandsubsequentseepagefromtheAbsorptionPond.3.ODCMassumtionsreardinthatdrinkinwaterwellsdonotdrawfromtheaffectedauifer'asedontheaboveconclusionthattheaffectedaquiferdoesnotimpactthesurroundingoffsitewatertables,theassumptionsusedintheODCMarestillvalid.ItshouldbenotedthattheTurbineRoomSumpeffluentisassessedforoffsitedoseandisreportedintheSemi-annualRadioactiveEffluentReleasereport.

4.HdrocoloicEvaluation'heHydrogeologicEvaluationoftheDonaldC.Cook.NuclearPlanthasbeenconductedandisattachmenttothisreport.Aspreviouslyassumed,thisstudyconfirmedthatthemigrationoftritiatedwaterseepingfromthe'AbsorptionPondjoinsthe'egionalflowanddischargesintoLakeMichigan.Theaffectedaquiferisconfinedwithinthesi'teboundaries.5.ModificationtotheREMPProramThefollowingchangestotheREMPprogramwillbeimplementedbyDecember31,1991:oSamplingandanalysisofadditionalwellstomonitorthegroundwateralongthesouthandnorthboundariesoftheplantsite,oAnacti'onlevelof10,000pCi/1identifiedbyTurbineRoomSumpcompositesampleanalysiswillinitiateaninvestigationintothecauseoftheincreaseintritiumconcentrationandtheeffectitmayhaveontheaquifer.7 ATTACHMENTIHydrogeologicEvaluation HYDROGEOLOGICEVALUATIONOPTHEDONALDCCOOKNUCLEAR.PLANT,BRIDGEMAN,MICHIGANIndianaM3.chiganCompany-eAmericanElectricPowerServiceCorporationApril1991 TABLEOFCONTENTSXntroductionTopographyGeologyHydrogeologyGround-WaterQualityBaselineConditionsGround-WaterMonitoringProgramsGround-WaterQualityMichiganNPDESGroundWaterQualityRadiologicalPotableandDomesticSupplyWellsConclusionsPageNo.AppendixNo.1AquiferPumpTestAppendixNo.2WellLogsAppendix3TritiumAnalysisAppendix4TablesAppendix5FiguresData----=-

IntroductionAhydrogeologicstudyhasbeenpreparedtoevaluatethepotentialenvironmentalimpacts,ifany,resultingfromthedischargeoftheturbineroomsumpeffluenttotheplant'sTurbineRoomSumpAbsorptionPond.Thisreportdefinesthearealandverticalextentoftheaquiferbaseduponareviewofprevioushydrologicstudies.Thebaselineground-waterqualityisderivedfromareview,ofthepreviousDames&MooreenvironmentalsitestudyandtheupgradientobservationwellofthecurrentNPDESmonitoringpdogram.TheNPDESground-watermonitoringprogramdoesindicateanincreaseintotaldissolvedsolidsandsulfateconcentrationsabovebaselinequalityconcentrationsdowngradientoftheAbsorptionPond.Theseparametersareusedaskeyindicatorparameterstodeterminethearealextentofinfluenceupontheshallowaquifer.TopographyThesiteislocatedwithinalocalphysiographicareaknownastheGrandMaraisEmbayment.Thisarea,16mileslongandwithanaveragewidthofabout1mile,liesadjacentandparalleltotheshorelineofLakeMichiganinwesternBerrienCounty.TheareaadjacenttothebeachischaracterizedbyhighsanddunesofPleistoceneandRecentorigin.TheareaisboundedontheeastbyaglacialmorainewhichparallelstheshorelineandisknownasCovertRidge.TheareaeastofCovertridgeisaglacialplain,withmorainicridges.(Seeenclosed7.5min.BridgmanQuadrangleMap)

Topographicelevationswithinthedunearearangefromabout580Ft.NGVD,whichistheelevationofLakeMichigan,toahighofslightlymorethan800Ft.NGVD(FigureNo.1).Inthesouthernpartoftheembayment,theareaofhighdunesextendsfromthelakeshoretothecrestofCovertRidge.Tothenorth,however,thebeltofhighdunesisseparatedfromCovertRidgebyThorntonValleyandtheGrandMaraisLakes.Thehighersanddunesextendinlandabout3,000feetfromthebeach.Theeasternportionofthesiteischaracterizedbyscatteredlowerduneswithbroaderinterveningflatlowlandsorbasins,someofwhichcontainsmallshallowponds.GeologyThesitegeologyconsistsofasequenceofdepositscomposedofasurfacedepositofdunesandwhichoverliesolderbeachsandwhichinturnisunderlainbyglaciallakeclays,glacialtillandshalebedrock.Thedunesandsarelightbrowntotan,poorlygraded,typicallyexhibitbimodelgrainsizesdistribution(fineandcoarsesandgrains).Thedunesandsareeasilydisturbedatornearthesurfaceandbecomemoderatelycompactedatdepth.Xntheeasternhalfofthesitethedunesandsdirectlyoverlieglaciallakesediments.Xnthisarea,theupper10to20feetoflakesedimentsareoftensiltyandsandy.Geologiccross-sectionsareillustratedinFigures2,3and4.Xnthewesternportionofthesite,thedunesandsoverliebeachsandswhicharegenerallymediumtocoarsegrainedandaremoderatelytowellsorted.Xnplaces,thebeachdepositscontainasmallpercentageoffinegravel.Thebeachsandsmaybeabar-typeofdeposit,probablyrelatedtoanoldshorelineofLakeMichigan.Themaximumthicknessofthebeachsandisabout52feetinthesouthernportion ofthesite.Inthewest-centralportionofthepropertynearthelake,thebeachsandsgenerallyrangefromabout25to35feetinthickness.Underlyingthebeachsandsand/orthedunesandsisathicksequenceofglaciallakesediments.Theseglacio-lacustrinedeposits,whichareapproximately80to90feetthick,consistgenerallyofgraysiltyclayandsandyclaywithoccasionalsandandsiltpartings.Varve-typebeddingisnottypicalbutdoesoccasionallyoccurinplaces.Thedepositsexhibitconsiderablevariationindetailedcharacteristicsbetweenboringsandcompriseanirregularlyinterbeddedseriesofsediments.Thetopfewinchesofthelakesequenceoftenismarkedby'aconsiderableamountoforganicmaterialwhichinplaceisconcentratedinpeatylayersoneortwoinchesinthickness.Thelayerimmediatelybeneaththeorganicsoilgenerallycontainsanabundanceofgastropodshells.Throughoutmostofthesite,theupperfivetotenfeetoflakedepositsconsistsof'iltyorsandysoilwithvaryingamountsofdispersedorganicmaterialanddecayedvegetation.Atgreaterdepth,thelakedepositsconsistsofsiltyclaywithoccasionalzonescontainingscatteredcoarsesandgrainsandfinegravel.Lensesandpocketsofsiltyfinesandandfinesandysiltarecommon.Thedeepestpartofthelakesequenceiscommonlyaclayeysiltdeposit.Acompactglacialtillofsiltandgravelwithcobbleswasencounteredatanelevationof474Ft.NGVD.Thisstratumisabout22feetandisbelievedtobefillinanydepressionsintheunderlyingbedrock.Bedrockwasencounteredat,452Ft.NGVDandconsistsofgray,thin-beddedtofissile,calcareousshalecontainingthininterbedsofimpure,shaleylimestone.Theshaleishorizontallybeddedandiscutbytwosetsofcemented joints.TherockappearstocorrelatewiththeBerea-Bedfordshale,alowerMississippianformation.HydrogeologycovertRidgeisagroundwaterbarrieraswellasawatershedboundarybetweentheglacialplaintotheeastandtheGrandMaraisEmbaymenttothewest.Staticgroundwaterlevelseastoftheridgearegenerallyatanelevationof650Ft.NGVD.Xncontrast,staticwaterlevelswestoftheridgeoccurgenerallyatelevationsof580to610Ft.NGVD.Test.boringsandwaterlevelmeasurementsatthesiteindicatethatthegroundwatersystemisunconfined.Thebaseoftheshallowaquiferisdelineatedasthestratigraphiccontactbetweenthedunesandorthesandybeachdepositsandthelacustineclaydeposits.Thesurfaceofthelakeclaysslopesupwardgraduallyfromelevationsofabout555to560Ft.NGVDalongthebeachtoaboutelevation589Ft.NGVDatthelocationofBoring14inthesoutheastcornerofthesite(Figures2,3and4).Groundwaterisrechargedbyprecipitationinfiltratingthroughthepermeable,sandysurficialsoils.Surfacerunoffislimitedtominorquantitiesandisrestrictedtothenortheastandeasternportionofthesite.Basinsofinteriordrainageandcloseddepressionscharac-terizemostofthesite.TheaverageannualprecipitationforBentonHarborAirport(locatedapproximately12milesfromtheplant)is36.04inches/year(TableNo.1).Initialsiteinvestigationsobservedstaticwaterlevelsrangingfrom582to609,Ft.NGVDinsideperforatedplasticpipeinstalledinthe19testborings(TableNo.2).AgeneralizedpotentiometricmapwhichcharacterizesbaselineconditionsisdepictedinFigure5.Theground-waterstatic waterlevelelevationsreflectto,someextenttheirregulartopographyofthe'unesandbasins.Thedirectionofground-waterflowistowardthewesttoLakeMichigan.Shortdurationpumpingtestswereperformedtodeterminevaluesofpermeabilityacrossthesite.Analysisofthepumpingtestdataindicatedthataquiferpermeabilitiesrangefrom115to196ft/dayassuminganaquiferthicknessof30feet.ThispumptestdataisreferencedinAppendixNo.l.Avalueof0.25foreffectiveporosityisassumedtobereflectiveofthesiteconditions.Ground-WaterQualityBaselineConditionsThebaselineground-waterqualityreflectsthesolubilityofmineralspresentintheaquiferandtheresidencetimeofthewaterincontactwithvariousminerals.Ananalysisoftheplant'two'ormerdrinkingwaterwellsinMarch1972(preoperationalconditions)yieldedacalciumbicarbonatetypewaterwithanaveragetotaldissolvedsolidsconcentrationof390mg/1.Chlorideandsulfateconcentrationsoftheplant'sformerpotablesupplywellsarealsopresentedinTable3andreflectconcentrationssimilartobaselineconditionsreportedbythepreviousDames6Mooresiteinvestigation.Xtisreasonabletoextrapolatetheanalysisoftheformerpotablesupplywellstoestablishtheconcentrationofthedominantcationsandanions(Ca,Mg,NA,HC03,SO46Cl)intheground-waterqualitybaseline.Figure6illustratestherelationshipbetweenthedominantcationsandanionsfortheMarch1972analysis.

ThewaterqualityoftheupgradientWell(No.8}providesacontrastinwaterqualitybetweenground-watersupgradientoftheTRSpondandground-watersthataredowngradientandhavebeeninfluencedbytheTRSpond.Ground-WaterMonitoringProgramsTwoseparateground-watermonitoringprogramsareactiveattheplant.Theradiologicalprotectionmonitoringprogramiscomprisedof7monitoringwellsfortheplantand4monitoringwellsforthetemporarysteamgeneratorstoragefacility.Thesewellsareusedtomonitortheshallowaquiferforradiologicalparameters.TheNPDESground-watermonitoringprogramistheothermonitoringprogramandiscomposedofeightwellsatfourlocations.Two.wellsarelocatedateachsitewhereonewellisequippedwithasubmersiblepumptoobtainwatersamplesandtheotherwellisusedtoobservewaterlevels.WelllogsarecontainedinAppendixNo.2.DrawingNo.CE-SK-3/25/91-1depictsthelocationoftheobservationwellswithrespecttotheplant'sAbsorptionPond,sanitarypondsandtheplant'sformerpotablesupplywells.AdditionalwelllogsarealsocontainedinAppendixNo.2.Thesewellswereinstalledin1989underthedirectionofAmericanEnvironmentalServices,Inc.toreevaluatethepotentialenvironmentalimpacts,ifany,resultingfroma1976fueloilspill.

Reference:

AmericanEnvironmentalServicesCo.Inc.,Zulyll,1990,SubsurfaceFuelOilContaminationAssessmentandDemonstrationRecoverTechnoloatIndianaMichianPowerComanDonaldC.CookNuclearPlantBridmanMichicCan,AESPtc)ectNc.AE964AEPC741301-04/02.

Ground-Water*QualityMichiganNPDESTheMichiganNPDESmonitoringprogramisdesignedtoevaluatesignificantchangesinground-waterqualityandpotentiometriclevelswhichoccurneartheAbsorptionPond.TheAbsorptionPondcreatesaground-watermoundandsuperimposesaradialflowpatternfromthepondcenterontheregionalflowregime.ThemonthlyaveragedischargetotheAbsorptionPondislistedinTableNo.4.Theground-waterflowsystemwasalsoindirectlymodifiedbytheinstallationofsheetpilingin1973-74alongLakeMichigantocontrolbeacherosion.Thispilingwasdrivenintothelowpermeablelacustrinedepositsandcreatedabarriertoground-waterflow.PondingoccurredbehindthisbarrierandeventuallyspilledoverthepilingandflowedagaintoLakeMichigan.Severaldrainswerecutintothepilinginordertoalleviatethepondingofgroundwater.DrawingNo.CE-SK-3/25/91-1depictsanapproximateconfigurationofthewatertableforMarch,1986.Themapshouldbeconsideredasanapproximationsinceitis'basedonstaticwaterlevelmeasurementsobservedinDecember6&13,1983;March4,1986,andOctober26,1990fortheground-watermonitoringprograms.TheconfigurationofthewatertableisalsoinferredfrominundatedduneswalesobservedfromstereoscopicaerialphotographytakenMarch.24,1986.ThenorthtosouthdirectionofflowinthevicinityofRPWells4and5isinferredfromstaticwaterlevelsmeasuredonNovember30,1989intheAES,Xnc.monitoringwell'andrecoverywellandthesoilgassurveymappingofhydrocarbons(Figures7and8).WellhydrographsforobservationwellsNos.1A,8,11,and12aredepictedinFigureNo.9.Thewellhydrographs77 depictfluctuatingwaterlevelsinresponsetoanon-uniformdischargeratetotheTRSpond,seasonalevapotranspiration,andprecipitationetc.Forexample,fielddatarecordedin1983depictsadeclineinwaterlevelsandisprobablyduetoaprecipitationdeficitofnearly7inches.Asimila'rdeclineisobservedinresponsetothe1988drought.ThemonitoringwellslocateddowngradientoftheTRSpondobserveincreasedconcentrationsforthetotaldissolvedsolidsandsulfatecomparedtotheupgradientmonitoringWellNo.8.DowngradientwellsreflectawaterqualitysimilartothewaterqualityoftheeffluentdischargedtotheAbsorptionPond.Timedependentgraphsofsulfate(SO)4andtotaldissolvedsolids(TDS)concentrationsdemonstratetheinfluenceoftheAbsorptionPondontheshallowaquifer-system.Sulfate,TDSandstaticwaterlevelmeasurementsfortheperiodofrecordfromll/29/76to10/24/90arelistedinTableNo.5.In1983,therewasanoperationalchangetoimprovethe.steamgeneraterwaterqualitybyincreasingblowdownandincreasingthevolumeofmakeupwater.Aresultofthisoperationrequiredanincreaseinthenumberofregenerationsoftheionfilterbeds.Theanionbedsarerechargedwithacausticsolution(NaOH)andthecationbedsarerechargedwithanacidicsolution(HSO).This24operationalchangeisreflectedintheNPDESground-watermonitoringprogrambytheincreaseintotaldissolvedsolidsandsulfateconcentrations.(FigureNos.10and11).ThewaterqualityofobservationWellNo.1AisverysimilartobaselinequalityfromJuly1977toMarch1982.AfterMarch1982,however,ObservationWell1Adetectedasteadyincreaseintotaldissolvedsolidsandsulfate concentrationsasaresultoftheoverflowfromtheAbsorptionPondi'ntotheremainingportionoftheduneswale.Ground-WaterQualityRadiologicalAsemi-annualsamplingprogramhasbeeninitiatedfortheabsorptionpondsedimentsinadditiontothecurrentradiologicalmonitoringprogram.Anewprocedure(12THP6010ENV.066)hasbeeninstitutedtoanalyzethesesediments.ThetestresultswillbereviewedandevaluatedaspartofthequarterlyanalysisoftheREMPdata.TritiumhasbeendetectedinthedowngradientradiologicalprotectionmonitoringwellsNos.4,5,6and7andwouldindicatetheTRSabsorptionpondasthesource.AppendixNo.3liststhetritiumvaluesforthemonitoringprogram.Ariseintritiumconcentrationsforeffluentdischargedtotheabsorptionpondisaccompaniedbyadetectablepeakconcentrationinthedowngradientwells.FigureNo.12illustratestritiumactivitiesfortheTRSpondfortheperiodofrecordfrom1981to1990.TritiumactivitiesforthedowngradientRPmonitoringwellsareillustratedinFiguresNos.13,14and15.TableNo.6providesarangeoftraveltimesfromtheabsorptionpondtothedowngradientwellsbasedonseepagevelocities.Theseepagevelocitiesarederivedfromsitespecifichydrogeologicparametersofformationpermeabilities,hydraulicgradients(rateanddirectionofground-waterflow)andanestimatedvalueofspecificyield.PotableandDomesticSupplyWellsThePlant'sEnvironmentalSectionperformedawellsurveyin1990ofthoseresidentswithdomesticwellslocatedinRosemaryBeach(Northoftheplant)andLivingstonHills (southoftheplant).Thecommunitiestotheeastoftheplantwerenotinvolvedinthewellcensusduetothefact,thattheyarelocatedinadifferentground-waterbasinandarebeyondthepotential'influenceofanyplantactivity.Eightofthethirty-sevenresidencesintheRosemaryBeachcommunitywereidentifiedashavingwells,,previouslyusedtosupplywaterforhumanconsumption.Theeightresidencesarelocatedbetween2200feetand4100feetfromtheabsorptionpond.(PigureNo.16).Alleightwellsweresampledandanalyzedfortritium,iodineandothergammaemitters(TableNo.7).Inallcases,therewasnodetectableactivityidentified.Currently,onlytheRosemaryBeachdomestic"wellsareused~forpotableornon-potablesupplies.(Liechner,1991).TheLivingstonHillsresidencesobtaintheirpotablewaterfromLakeTownshipMunicipalwatersystem.Twooftheinactivewells(MalmstadtandScupham),weretemporarilyrepairedforthepurposeofobtainingground-watersamplessincethesewellsarelocatedtheclosesttotheplant.TheMalmstadtwellislocatedapproximately3200feetfromtheplantcenterand2450feetfromtheabsorptionpond.TheScuphamwellislocatedapproximately3850feetfromtheplantcenterand3050feetfromtheabsorptionpond.Duplicatesampleswereobtainedfromeachwell.Onceagain,thesesampleswereanalyzedfortritium,iodineandothergammaemitters.NodetectableactivitywasidentifiedforeachMalmstadtsample.TheiodineandgammaspectroscopyresultsfortheScuphamsamplesshowednodetectableactivity.OnesampletakenfortheScuphamareashowedatritiumconcentrationof350pCi/1andtheothershowednodetectableactivity.Asacomparison,preoperational(1974)tritiumlevelsinground-waterrangedfrom150-710pCi/1(asshowninAnnual EnvironmentalOperatingReports).Tritiumlevelsforlakewateranddrinkingwatersamplescollectedin1990rangedfromnodetectableactivityto340pCi/1.Anadditionalwellhasbeendrilledin1990betweentheplantandLivingstonHillstofacilitatefuturegroundwatersamplinginthisarea.Thewellislocatedapproximately3100feetfromtheplantcenter,and2300feetfromtheabsorptionpond.Initialtritium,iodineandgammaemitteranalysesofthewellsamplesshowednodetectableactivity.ThePlant'sformerpotablesupplywellsarelocatedapproximately1,400feetnorthoftheAbsorptionPond.ThesewellsservedasasourceofdrinkingwaterforplantpersonnelandtheEnergyInformationCenterfrom1970to1987.(TheplantisnowservedbymunicipalwaterfromLakeTownship).FormerPotableHellNo.2islocateddowngradientoftheAbsorptionPondbasedupontheexistingflowregimedepictedonDrawingsNo.CE-SK3/25/91-1.FormerPotableWellNo.1islocatedabout300feetfurtherinlandandwasinfluencedtoalesserdegreebytheabsorptionpond.Thewellsweresampledtwotothreetimesayearforseveralparameters(Table8and9).Figures.17and18depicttimedependentgraphsofCa,Ng,Na,HCO3,andClexpressedinmilliequivalentsperliter(meq/1).Acalciumbicarbonatetypewatercharacteristicofbaselineconditionsisexhibitedbybothwellsfrom1976toearly1979.InAugust,1979potableWellNo.2experiencedachangeinwaterqualitytoasodiumsulfatetypewater(Figure17)andreflectstheinfluenceoftheAbsorptionPond.FormerPotableWellNo.1experiencedamarginalshiftinwaterquality(Figure18)andisaffectedbytheAbsorptionPondtoalesserdegreethanformerPotableWellNo.2.11

Reference:

Liechner,ZL;Feb.28,1991,InterofficememotoD.R.Williams,

Subject:

"PreliminaryEvaluationRegardingTritiumMigrationViatheGroundwaterAquiferWithintheDonaldC.CookNuclearPlantSiteBoundary".ConclusionsTheCookNuclearPowerPlantissitedwithinaground-waterbasinboundedbyLakeMichigantothewestandCovertRidge(aterminalendmoraine)totheeast.Theaquiferisunconfinedandiscomposedofbeachsandsoverlainbysand=dunesandunderlainbylowpermeablelacustrineclays.ConstructionofthesheetpilingandtheAbsorptionPondhavemodifiedexistingground-waterflowdirections.DischargetoAbsorptionPondhascreatedaground-watermoundwhichsuperimposedaradialflowpatternontheregionalflowtowardsLakeMichigan.TotaldissolvedsolidsandsulfateconcentrationshaveincreasedabovebaselineconditionsdowngradientoftheAbsorptionPondasaresultofthewastewatereffluentmigratingthroughtheshallowaquifertowardsLakeMichigan.SimilarwaterqualitychangesareobservedintheplantsformerpotableWellNo.2andmarginalchangesareobservedinformerpotableWellNo.1.ThenorthernarealextentoftheTRSeffluentisbracketedbetweentheplantsformerpotablesupplywellsandradiologicalprotectionobservationWellsNo.1andNo.2basedonareviewofthetritiumanalysesforgroundwater.ThedowngradientNPDESobservationWellsNos.11and12detecttheinfluenceoftheTRSpondasgroundwaterflowswestwardintoLakeMichigan.

InthevicinityofR.P.Wells4,5and6,groundwaterflowsfromthenorthtothesouth.ThisdirectionofflowSisconfirmedbythetritiumconcentrationgradientandahydrogeologicsiteinvestigationconductedbyAmericanEnvironmentalServices,Inc.ThesouthernarealextentoftheTRSeffluentisbracketedbyobservationWells1Aandtherecentlyinstalledoff-sitemonitoringwell.Itmaybeconcludedthattherehasbeennooff-siteimpacttodomesticwellslocatedeithernorthorsouthoftheplantbasedonareviewofthevariousmonitoringprogramsandenvironmentalsiteinvestigations.ThemigrationoftritiatedwaterseepingfromtheabsorptionpondeventuallyjoinstheregionalflowanddischargesintoLakeMichigan.13 AppendixNo.1AquiferPumpTestData SummaryofAquiferPumpTestDataOBSQrWELL(gpm)'ft)No.(gpd/ft)(ft/day)AnalyticalMethod81A11121025252510109.51058i66631,42836,66625,8821961401631151.22xl03.14x105.07x103.50x10JacobJacobJacobJacobAVERAGE38,1601535Notes:1.Thedrawdownforeachproductionwellisplottedonsemi-logar'ithmicpaperforcomparisonwiththedrawdownobservedintherespectiveobservationwell.2.Thepermeabilityisderivedfromthetransmissivity,T,dividedbytheaquiferthicknesses.Theaquifer'hicknessatobservationwellNo.8isestimatedtobe40ft.and30ft.fortheremainingobservationwells.3.DataSource:.DonaldC.CookNuclearPlant,AnnualEnvironmentalOperatingReport,1981.-

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AppendixNo.2WellLogs INDIANANICHIGANpowaRoateParch13,1991kSQ/tentLakeTownshipMonitoringWe11(FromJ.E.OetkenToJ.T.Massev-NortonThefollowinginformationpertainstotheLakeTownshipmonitoringwell:,5Welldepth:12feet(approximate)Screenlength:3.5feetCasingdiameter:Casingtvpe:2inchesGalvanizedInstallationmethod:DrivenSealingmethod:Backfill:BentoniteHoneThegroundandcasingelevationshavenotbeendetermined.Xfyoureguireanyadditionalinformationinordertoincorporatethiswellintovourhydrogeologicstudy,feelfreetocallmeatX1326.c:D.M.FitzgeraldIntra-System PIEZOMETER(NSTALLATtONREPORTProjecttt.7Piez.TypeMat1&TipgMethOdOf1nStallategTypecfGrndProtectionGrndElev.Depth.RiserEfev.Sample+RiserOesc,BGrlngDib.~cPiezTipBev.FilterMaterialSealMaterialinstalledByDateinstalledMethodof'estingPter.Et~El!!ZfEtfromElev.-toElev.DateTestedTime~0&~W'0Elapsed..DepthTime'ito0/aterTime'lapsedTimeDepthtovoterTimeE'lapsedTimeDepthto:MaterRKhARKS4+1'el~)&n.cud4jt.4-4ip'.S~W*T'czElcv~vi+w0oH.'10$-2.-8t<a$,<0jo->-8loO1Scn~~~sl~~

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GEPLOGICALSURVEYSAMPLENo.~1'.=1LOCATIONOFWELLFractionCCICCIIZZDCCICCCIOFPUBLICHEALTHRangeCount~Twp.SectionHo.Tawn/S~7jj-j~etaressItyohWeLocationFORMATIONTHICCNC55Ot'TCATUMOCPTNTOCOTTOMOIP5TIIATUM3OWNEROFWELL~Address4WELLDEPTH(ompleted)DateofCompl~Iionft.Cob~toolRotaryDrivenDug0Hollowrod0lett0Bored06USEI0DomesticubllcSupply0Industry0Inigotion0AirConditioning0Commercial0TestWell070Threaded~Ided0IHeighttAbove/BolavrCASING:(.PS~P.DpA8ip.pi(pub/tp~n.ta~.DethOriwShoeyYesKKa08SCREENIDia.Slot/Grsaoe9TATIl:WAgiILEVEL"ft.belowlandsurface'0PUMPIHGLEVELbelow4ndsurfacerpL7(ppph~(p.pp~.:iipp-ii.ppi11WATERQUALITYInPortsPerMllliont(pirpiii(c(iM8~12WELLHEA~DOMPLETIOHIInApprovedPitBPtt4ssAdapter0I1"AboveGrode13GROUTIHGIWellGreeted?0Yes~Io~MaterialI0HeatCement0DepthtFram~.t~t.14SANITARY)NearestSourceofpotslbi~contomlnoni~f<<t~~i~rienWelldisinfecteduponcompletion0Yes0No15PUMP:Manufacturer'sNomModeINumbePLengthofOrIpe~ft.capacityG.PJlp~~OTypetSubmersible"00dot0Reelrocatin~ppmpppmp16Remarks,~lavation,sourceofdote,etc.Pu~aMP~slstcscosusINcssNAMcNCSItNA1IONI(OpAddres17WATERWELICONTRACTOR'SCERTIFICATIONIThiswellwasdrilledundermyIurlsdlctlonandthisreportJstrueto~bestofmyknowledgeodbelief.SignaDate05701OOM~gIMPORTANT:Fitewithdeed.utnasIXCOSIICSCNtATIVC,~p~~Pi"PPp~WELLOWNERCOPYWf AMERICANENVIRONMENTALSERVICESCO.,INC.WelfDetailSummaryAmericanElectricPowerD.C.CookNuclearPlantBridgeman,MichiganAE-964-7/7/89+0'40'0OpeningformanholeGroundSurface4I80~Wke.'g>y4,'<<'v'<ConcreteManwaySandBackfill8"Sched.40PVCScreen.010Slot30'0"48DiameterBoringBottomPlug,BottomofBoreholeNote:DrawingNottoScale. AMERICANENVIRONMENTALSERVICESCO.,INC.WeilDetailSummaryAmericanElectricPowerD.C.CookNuclearPlantBridgeman,MichiganAE-964-6/6I89I0ilmQW~0'0"t'5GroundSurface2"LockingWellPlugRoadwayBoxCleanNative.Sand2'03t00h"~~~a)(a.'.<<~ygvwy%(~o'iX'$"jBentonitePelletSeal(hydratedpriortobackfilling)2PVCRiserPipePeaGravelBackfill2"ThreadedFlushJoint0.020PVCWellScreent3'014'0BottomPlugBottomofBorehole20DiameterBoringNole:DrawIngNottoScale. AMERICANENVIRONMENTALSERVICESCO.,INC.WellDetailSummaryAmericanElectricPowerD.C.CookNuclearPlantBridgeman,MlchfganAE-964-'6/6/890'01'0Yp(jk<@?0((IP4P~AxGroundSurface2"LockingWellPlugRoadwayBoxChanNativeSandr2'0"3'0"13'0"18'0""'i4'q$~~4-';=.0+%++4(I'(%6~4=Ki4~dx<4DiameterBoringBentoniteSeal(hydratedpriortobackfilling)2PVCRiserPipeCleanNativeSandBackfill2"ThreadedFlushJoint0.020PVCWellScreenCottonCheeseclothWrappingBottomPlug,BottomofBorehole,"WTfNote:DrawingNottoScale. AMERICANENVIRONMENTALSERVICESCO.,INC.WellDetailSummaryAmericanElectricPowerD.C.CookNuclearPlantBrldgeman,MichiganAE-964-6/6/890'08'0"i(CcGroundSurface2"LockingWellPlugRoadwayBoxCleanNativeSand9t0~10'0"BentoniteSeal(hydratedpriortobackfillfng)2"PVCRiserPipeCleanNativeSandBackfill20'02ThreadedFlushJoint0.020PVCWellScreenCottonCheeseclothWrapping25'0"4DiameterBoringBottomPlug,BottomofBoreholeNote:DrawingNottoScale. Appendix3TritiumAnalysis w/r3'8o$50Nfs-u/r.Cc'70 31~I~~ii,7',4c..,s,Q~IV)S/99r/o'7u/>q9/9BIt/~Sga/qp,~I>/l9'/a9(aiI/+(tS/Zl9/Sl.~tv.r,(eI'o/R1qBB';sf'.1~s/w~/vzlooO<ICCRO<<fan@c(crtcIc~WIC~WfcAra4Iceo<IO.oc4/creaAICAKQC(a510Cl~<</cr&Q<</ceO4SSOC3$ow/cnrvAI~cIuaro~/aceC/~<<,'crena~ICArn<rone/Boo'78~2c(eraIQ,~5I~QIo~Q3~//cPa>(VoI"(~/')~/0oem<<IcNQ/5era/~/g.~gl~(/~/$~'Pavoc(~C((PenNI~cI~~j/cPRo/Acr5/4~//~/>/ggOCOc(~<(cPVO<<:IcPAb<</~C/~C930<'.SsO 5/P<<lzv~(6q(s5'/Ksit>z/~'-'aIl')O/I9oc93+CSSNC'35Og5~c'305c90a/ohioc9/4409'7(~7YSa3+40gQZO5/togQQ0/8IO894og4~QlQN(So/3oaN3~CSciaI4'70Va"olo70<Son4'3~~CQ~C$~<3~c93'330lt>5(,oS3580'f815'4I4'I721~~(O(oPo95MIMIol534'~AtI.+/Ioe'a(<3M/6'&y/3>a ~rPiiq4~~<<ss(pC/2)a/qo5/so/3crnQ(O~I1gE' Appendix4Tables TABLENO.PRECIPITATIONDATABENTONHARBORAIRPORT,MICHIGAN(inches)1972197319741975197619771978197919801981198219831984JAN2.432.045.343.732.61'.333.32N/A0.42.48N/A.89.64FEB"2.14.851-372.703.481.960.84N/A0.913.55N/A1.011.40N/A3.891.781.48N/A2.42l.17APR3.574.184.491.964.435.395.012.723.73.234.423.916.243.916.145.863.942~714.234.250.922.58l.552.8&4.64MAR3.572.575.222.294.233.17l.27JUL2.684.59.89234306JUN3.774.893.794503264.02l.544.323.343.854.681.741.381.54393256336201360133346SEP7.003.413.481.561746.886.91N/AOCT3.274.042.291.191.783.472.69N/AAUG3.331-651~796.210.615.113.352.187.102.401.811.672.445815083364468.442.712.880.981.922.92NOU2.672.483.723.782.362.58l.48N/A1.412.285.152.682.46DEC6044-822273.641452852832.981.642.375.902.982.37ANNUAL41.9339.9540.044-9339-9540'441.7433.84*37.5537.25N/A34.5836.08N/A29-073689DEPART.FROMNORMALN/A=NotAvailable89915.702-201-511-21Ntk,-1.46.04N/A-6.970.48 TABLENO.1CONTINUEDPRECIPITATIONDATABENTONHARBORAIRPORTSMICHIGAN(Inches)198519861987198819891990JANFEBAPJUNJULAUGSEPOCTNOVDEC2.612'45~612~612~622'93843401894.297~152'61~282'91~232'74~764.884.872749'23~731210'51.280'1540872'52732'45'41.805'22421'40'32'41.594'22461'72~460~153220'98~192~410630'72'92'92~.204'36'45~163'21.272161'51~282~702'13'75.842'82'45~165~74ANNUAL413140'329.6330~1334F11DEPARTFROMNORMAL4-90N.A.-678-6'8-2'0 TABLENo.2BASELINEWATERTABLEELEVATIONS(NationalGeodeticVerticalDatum1929)BORINGNO.51012131415171819SURFACEELEVATION(feet)601..4664.4641.6621.8605.2584.3583.5605.8596.8600.1625.4625.5605.6616.7603.8658.4588.5'13.0592.7GROUNDWATERDEPTH(feet)11.062.053.337.318.21.52.29.8'.79.223.024.53.57.97.251.56.06.210'.0DATE7-21-667~28-6611-23-6611-23-6611-23-6611-23-667-23-667-23-6611-23-6611-23-6611-23-667-25-6611-23-6611-23-6611-23-:667-23-6611-23-6611-23-668-4-66GROUNDWATERELEVATION(feet)590.4602.4"588.3584.5587.0582.8581.3596.0588.1590.9602.4601.0602.1608.8596.6606.9582.5606.8582.7 TABLE3BASELINEWATERQUALITY(mg/I)DAMES&MOORESAMPLESURVEYSOURCES10CaMgNaKHCOSOClFNOFe2343Hard.Solids9Wells(40-60Ft.Deep)1217Wells(60-160Ft.Deep)1310Wells(160,Ft.Deep)1324103820251730162453061.22563270.92623070.52553160.86D.C.Cook'PotabLeWellNo.1March21,197287322104.025728500.290.7275398WellNo.2~ch21,197211.26721103.224928440.290.8255383UpgradientObservation'WellNo.8479'760.2219~5406pote<ValuesforobservationwellNo.8aremedianvaluesforperiodofmonitoringfromJuly1,1977toDecember31,1984 TABLENO.4DISCHARGETQTHETRSPONDIAVERAGEDAILYDISCHARGEPERIN%TH)QJIFALL374FLRINQI19761977197819791980198119821983198419851986198719881989199019910330.56OA40.360.510.500.470.510A40.550.390.340.450.820.310.420.430.500.610.330.480.490.380.510.640.360.350.380.840.360.440.420.480.610.550.510.540.400.410.580.37OA9OA50.380.42025OA8059OA90.630.390.62OA40.720.380350.390.190.360.460.530.590.500.670.350.630.410.260.240.280.360.330.450510.370.530.580.680.39OA30.680.250.14050061QAO0440.630.810.370.500.390.610A40.340.680390130.470580470390.540840.47OAO0.420.330.350.400.590.390-310-420-510.440.350.680A80.440.500.530.330.390.350.610.450.290.340.640.420.330.620.45OA4OA20.480.400.380.420.570.600.280.270710.340.480.580.440.270.420.460.410.490.500.490.600.330.390.75DEC0.390.470.700.400.300.530.370.420.470A90.440A80.300.390.62 TABLENO.5DONALDC.COOKNUCLEARPLANTGROUNDWATERDISCHARGEH)NITORINGDATEWELL1AUARTERSULFATELEVELWELL8SULFATETDSLEVELHELLllSULFATETDSHELL12SULFATETDS11/29/764Q76200609.14.9422608.06169.5634598.932/25/771777/24/77778/19/7737711/14/774Q772/11/781785/12/782Q788/11/783Q7811/8/784Q783/6/791Q79(1)3/26/79179(2)6/25/792Q798/4/79307912/4/794Q7974.94.112.427.111.520150176174162110214350180134244144176234600.8603.6602.35602.29603.6604609.6607.6602.6608.6608.24605.74616.7442.71.39.99.549.46.60.81.821548496292604414210290356408246272370607.72608.72607.89608.89609.05609.72609.72608.72609.72609.72608.7608.2608.2241.6265.8329.2257293.8255277247173151216229598597.23688599.18682604.18598599.18694599.93638600.63320603.43716602.43600604.43556605.43428606.17750602.97462604.97244.2304.5283.1229307.8332265257234169163570593.72548595.97618594.17640607.67666598.97624592.97608598.97452595.78478596.954I94596.95688592.17680593.72678598.723/4/801806/2/802808/3/80308012/2/804Q8022017030894604.66604.74602.2429564312488602608.2608.37608.7248310279333694718786606602.64602.8602.8530127231282.5738592.15654599.68698593.95296594.14I3/3/811Q816/2/812818/3/8138112/10/8140813/4/8210826/2/822Q82(1)7/7/82282(2)8/31/8238212/7/824Q823/8/831Q833598.211728.8170186151202.518657029229881398420320456604.54612.6609.1609.6605.6610.77611.6605.6606.131711318.1358398364342412670334272514780608.58609.47608.72608.72610.72609.3609.81609.47608.72609.7285205176157190.9170121221.4228700601.85660602.18410603.73390602.43456602.6444602.93594601.26546599.43414599.85295236112174221.3152158216.5688596.53688596.36422599.23454595.53595.53410306597.53450598.03599.53342596.116/9/832Q83386605.6817.3438610.53242538601.93118.5410596.039/6/83308312/6/834833/6/8410846/18/842Q849/4I/84308412/4/844Q843/7/851Q85101492693831394213702684646047606209001044605.5604.77606.1606.52604.93606.43606.93162001025566406518480350454510607.95607.22609.94609.22607.3608.3610.47345234209370242243405694599.43842599.93672599.851018599.931088598.511174599.56422601.682257723939815924429010081150593.61594I.2504597.78525593.78754I595.53744593.66760593.866/14/852Q85256.7576607.97340609.32941052601.35364.5882593.79/3/853Q8512/5/8540853/10/861Q86125388419396652660607.1608.43607.6163290476546438607.72609.55609.22316349444762600.18690600.35726600.18446366362786594I.28698594.45700594.956/2/862Q86537888607.6700609.14410876600.35462786594.039/3/86308612/10/864IQ861/10/871087210320440524633720609.52606606.11935486475646608.55609.61603.82280370440768601.6365601.23841596.43250460390734595.45728594.93763592.235/13/872Q878/27/873Q87360677601.613478430607.4240078714280601.01599.23350340594.78721658593.23 TABLENOCONTINUEDDONALDC.COOKNUCLEARPLANTGROUNDWATERDISCHARGEHDNITORINGSAMPLEDATEWELL1AUARTERSULPATETDSSULFATETDSLEVELWELLllSULFATEWELL12SULFATE11/23/874087360588606.733387608.62390715601.23390738594.232/24/886/1/889/1/8812/6/881Q8828830884Q883803409829640620220175608.6604.6601.7602.6293138370614.91390609.62182609.92273603.92110056020052022501140439598.53598.63722598.6311004007101902260700982361598.23593.53594.93593.032/16/89189290603.3320607.92390941598.03300658592.534/20/898/1/8910/3/892Q89389489184814018227458603.93605.76051615382607.72275609.97445608.558004105207641030600.43856596.93580530450922962848589.86594.73593.861/8/90190420780605.213470609.32470950598.53390850593.734/16/907/10/9010/24/90290390490480450230740750390607.5607.7609.6263313490609.7460609.61370609.92460420270770599.41790602.38540604.03560510260970880530594.93595.95598.58PeSe2 HYDRAULICGRADIENTDATAREDUCTIONSPREADSHEETDEVELOPEDBY=GSSDATE=04/22/91TABLENO.6CNXPLANTTRITIINFLOWPATHSTlSYi%TRADTENTlKLLSTATICNO.llATERLEVELWELLDISTANCEDQNGRADIENTBEG%ENFORMATIONRATEOFGRNNRI-MATERFLOWSTATICINNIITQIINGHYDRAULICP65KILBILITYHRNATION(SEEPAGEVELOCITY)MATERLEVELILLSGRADIENT~CNSECP(NNSITY~CNSEC~FTAYTiledOFTRAVELBEATENWELLSDAYSYRSCQOKNTSSEENOTE1PI1PT2607.00605.00590.00PT1605.00PT2590.00RP4581.96620.00720.00800.000.00320.02080.01015.42E-025.42E.025.42E-020.250.250.256.99E-041.98244.52E0312.80322.18E-036.17623'I2.70.86TRSPONDTOWELLRP456.20.15129.50.35TOIAL16.32MOHTHSSEENOTE2RP7607.70602.06RP7602.06LMICH582.001380.001070.000.00410.01875.42E-025.42E-020.250.258.86E-044.06E-032.511611.5214549.41.51OVERFLOMPONDTO92.90.25I.AKEMICHIGANIOTAL21.12MONTHSNOTES:1.THELOCATIONOFTHEUPGRADIEHTPOINTISTHE607FT.POTENTIOMETRICCONTOURALONGANIMAGINARYFLOWPATHPERPENDICULARTOTHEPOTENTIOHEIRICHEADSTODOWNGRADIENIPOINT1.POINT1,ATTHE605FT.POIENIIOMETRICCONTOUR;ISTHEUPGRADIENTPOIHIWHILEPOINT2ISTHEDOWHGRADIENTPOINTATTHE590FT.POTENTIOMEIRICCONTOUR.POINT2ISTHENUSEDASTHEUPGRADIENTPOINI'LONGTHEREMAININGSEGMENTOFTHEFLOWPATH.AUNIFORHGRADIENTISASSUMEDANDTilETRAVELTIMEISRECALCULATEDWl'IHTHEAPPROPRIATEGRADIENT.ANEXAMPLECALCULATIOHISPROVIDEDASFOLLOWS.V(S)=KI(1/4)=(5.43E-02CM/SEC)(607-605)/(620)/(0.25)"-6.99E.04CM/SECT(1)=D/V(S)=620FI/[(6.99E-02CM/SEC)(1FI/30.48CM))=2.70E+07SEC=312.7DAYSTHETOTALTRAVEL'TIMEISTHESUMOFT(1),T(2),ANDT(3),WHERET(1)ISTHETRAVELTIMEBE'TMEENTHETRSPONDTOPOINT1,T(2)ISIHETRAVELTIMEBEIMEENPOINT1AHDPOINT2,ANDT(3)ISTHETRAVELTIMEBEIMEENPOINT2ANDWELLRP4.fl(TOI'AL)=312.7+56.2+129.5~498.4DAYS=16.3MON'IHS)2.IHELOCATIOHOFTHEUPGRADIENTPOINTISIHEOVERFLOWPOND.THEFIRSTDOMHGRADIENIPOIHTISMELLRP7,LOCATEDALONGANIMAGINARYFLOWPATHPERPENDICULARTOIHEPOTENTIOMETRICHEADS'HEFLOWPATHISTHENFOLLOWEDFROHUPGRADIENTMELLRP7TODDMNGRADIENTLAKEMICHIGAN'SIMILARCALCULATIONWASDONEFORTHISFLOWPATH.(REF.DWG.CE-SK-3/25/91-1) TABLENO.OFFSITENELLANALYSISRESULTS~(Ci/1)NellDateH-33-131ROSEMARYBEACHArmstrongBurkeHalsteadTengerstromScottConeMaCiloonMaracich8/29/90<2008/29/90<2008/29/90<1008/31/90<1008/31/90<1009/11/90<1009/19/90<2009/19/90<200<0.2<0.2<0'<0.1<0.1<0'<0.2<0.2<ILD<LLD<LLD<LLDk<LLD<LTD<LLD<LLDLIVINGSTONHILLSSwampWaterMalmstadtDuplicateScuphamDuplicateNewWellDuplicate9/10/90<2009/26/90<1009/26/90<20011/12/90<20011/12/9035011/29/90<10011/29/90<200<0.1<0.1<0'<0.2<0.2<0'<0'<LLD<LLD<LLD<LTD<LLD<LLD<LLD TABLENO'8MONITORItADATAPOTABLESUPPLYWELLNO.2(mg/1)DATESi02CaMgNa.=HCO3SO4ClFNOHardCaCO>PHSp.Cond.A25oC3/21/721/31/768/3/761/31/773/16/778/1/781/5/798/2/792/13/808/5/802/3/818/3/8112/17/812/1/825/3/828/3/82ll.26721.4.103.22498.05716.4,8.62.12027.42335.46016.6122.37.35715.910-42.61987.87.06516.9136616.51225'993.32398.73.68.38.28218.35818571660147674.56834.12.12.42.91991902031477.98.36214.61715415.51055.01.5139142~'.56216.1803.31875.79.05214.21154512.91152~02.51456316.413017290.3629220.4503019520013024025.0.3420.60.218.70.417.50.3614.90.3419.40.3246040O.l30518532014.60118.80.117.90.13260180.1127643702931-325.20.125.422.40.140.80.80.070.072.40.00.05.61.36.01.60.180.370.Ol0.030.17383298326293300392337604566476578881627539666608255210228218207232232280,218.2082072157.687.47.16.87.17.37.47.17.57.27.07.55.96.66.4570-491447386491370747625573743779695555753610 TABLENO.8CONTINUEDCONTINUEDHardSp.Cond.DATESi02Ca'gNaKHC03S04ClFNO.TDSCaCOpH9.25C2/8/838.8441375.51.415618013.820.140.06424163.67.64125/2/83..8.9511469.11.314919514.820.170.105047.34538/2/838.111/11/83-7.82/7/849.45/1/848.38/1/847.10.17579205.67.14810.144602167.43757.76617.26527.8780574205ND541777.11.522020117.30.08571-204ND22918017.0721973.13.10.200.01574258551793.92.618420523.930.15591744.90.120814222.27ND541779.32.6191.424819.02ND*NoneDetected40.1mg/1FlNoneDetected40.1mg/1NO TABrZ@0.9MONITORINGDATAPOTABLESUPPLYWELLNO.1(mg/1)DATES10CaMgNaHC03SOClFNOTDS43CacoPHSp.Cond.A25oC3/21/721/31/768.08.07322.4104257.327.649.50.290.7398274.57.5570.218.28.51.7253.244.719.90.11.83442507.35975638/3/761/31/773/16/771/31/788/1/781/6/798/1/792/2/808/4/802/11/818/3/816.73.78.210107.57.27.15.69.18.22/2/825/4/828/2/828.14.99.912/17/81112047.46718.81252.12600.073086618.5611963.515.86414.97817.954.186517.460176115.65917.36816.86618.36818.714.32.7243.524162.923622.512.12.3232.34817.53.3204.270423.2226.8114.013l.7242.642622.5198.513519l.923628.52.423818.10.823217.93.223419.32.5227642.231367.55567.530708030.10.64320.3223.20.3236.40.217.40.3815.30.2815.20.3415.40.32550.1200.123O.1280.119'~'0'."10.020.00.03503343442417.02307.12237.40.03612217.45.8268.57.21.63782097.12.44902337.53.64162197.00.15389'177.00.293547.40.040.014304106.56.5'.175126.65615.611.52.1199.428.6220.140.07305397465385~584424-564495429415373475506 TABLENO.9CONTINUEDCONTINUEDDateSi02CaMgNaKHCO3S04ClHandSp.pond.N03TDSCaCO>PH925C2/7/839.85/2/837.48/2/839.511/11/839.82/6/8410.94/30/849.57/30/849.44413.777.51.62522829.23ND*0.043381105114.268.71.314920516.420.190.055277318.523.01.32296828.23ND6016.729.21.42199223.23ND5914.920.92.12331026.83ND5015.820.4112342335.0ND0.144262580.134062170.283252'07ND3481907115.716.2222361733.70.200.033822417.53.007.14516.93587.43247.54287.03767.7520ND-NoneDetected<0.1mg/1Pl Appendix5Figures J~~).AKf.f'))<<.~-i.'~ir//IIX/Irl.n..aMICH)QAH!Wjt)/tL~IIOoIJ1')'rI.Itt)i1])t(j/)IJIltrtIItO---.<<SjIII,"//Jn///Ijj/i!/erro/((P-M--~IIi/IrfIjII,Ill,-)gy~.!'J~~t/)J'/0/,I~/8'!!'r,)/ijfrgJ'j/8i.,0/~rIJ/jrI+00ISreI~t>>I~jJ!Jj~~~~'e~Itr////I,jg/t1I'.%rjQLp4'/JOggt//ad!.O//Jj-PLOTP~gr-~'-t0In~g>~a4-On--ApertmeCardFigureNo.3.r~~~t~~~\I!(cc(c)2s4-~l~rtt\~eetw~~tttwwtr~etettttt+~t>>e~tI),rrrSewtterrJt>>Stete,gwntetwasrtterter>>t>>treI~I)~Irl,3I VI.llk 6oo-~Z80ClSVRCSANOROONO5vRRAcccLcvAtIO5INMNM'OVNCSANO8CACHOCROSITLTIT6404.6ZO600'ILl"V,rrr")llhrlhrr-5LAICOCROSITIh'lhjw(T(il~I!IImR~lIII(IljlhvslliIIII,IIIIhR~~460440SCOTOROSHALCSECT1ONh-h640~VL4.46906'6IO-NNINIHINIHNINNNIHNNININIMINI~INIMNHNININHINIHINIOOVNCSANOROVNOSVRTACCCLCVATION~M~IMMINININIMMMMMMINMMIMNIMNMINI~INMIOROUNORAICRCVCI'CSL2proITlTII!TTIII"IIIIIII'IIINIIIIIlllll!41till4ITITIrhlrhIIT!hQl'II)jlklhIIth'4i!.ll3'ilih9T)NRI!IhAKCOCROSITllllIINh[lhlftlhIjIt!lti(Ijl'll!)IIJ,'TIII'l)IIIIgt!iII,IIIh~IIIIIIIIIIIIIIPfhI4ISI.'ith!':!!IiII)<[IISIIIlIIIIIIiIhihlihhlIh)lhllI+h'IlhllhrlhrhNMH!!AILhNNerI~ohh!,5!AHIHhM'"NNILTI>llrlltlklIIIlIIg6/0500SECT1ONB-BIORIzoNTALSOALCINrccr0500IOOONorCrGEOLOGICCROSS-SECTIONSFigureNo.2SV85VRRACCCONOITTONSILLVSTRATCOASOVCRCRC08TAINCOSVINTCRROLATION8CTA'CCN80RINOS~CON5COVCNTLYrVARIATION5*HICHARCNotINOICATCOSYTHCCR05$5CCTIONCAN8CCXRCOTCO8CT*CCN80RINSI.OCATIONS~DAMSCS8MOORSPLATEZA-loa

5It%-IISl-rlCaf~.A>ATAcAsvlastlsa00ss>OCza'affnKDa1Inr0nnnnon<<ZOnssZOnn0llCnnnNZOnrssin4Za<r0>CltSSg>DrnnOZO0ssn>a0*9Znn~sZDnsl7000ZZOn00>0n0Z0rnD'aZ0nrnD00Zal~snnn0l.nn0ZP'000660660640620Lfv600c5eoL<56o540520lO~1an.-.::.~0'sssls)0ZROVNOSVRCACCCLCVAfloOUNCSANOAAffaLtOAOVNO~sans4~slsaala"flI"lllfIA'PtiElliIijj!'.!IIfjji'a..:,f::i':.::.,':::a'.:l;i:.::.'::::AlafAOsOCAOSss)ff<~~ysi'.IV"IIIlj'>>Ilail'i'la0aROVNOSURfACCCLCVAflONIi'PsffjIIIIaall...,DsaNOVNSAAitRLtVfLNOAOVNOVNCSANO~lZ0asasasasassasasssssssas>>IIIIIIIIIIISIIIllijlilI,IL,','I'$Il'Ijisl'llAI)IIIti"500ceo460SECTIONC-CNOAtfONIALSCALCINfCCf05001000FigureNo.3aa'GEOLOGICCROSS-SECTION t eeoeeoe40OROVNOSVRFACCtLCVAfION8O,r'o-o8aLIII4seovairIOVNC$ANOgi'<<'<9'j'zj)!fvv4IIII)BguOa~NNNNI!:e!/:.'-"".OROVNORA<<~~RLtvtlauffuluOVNC5ANO!rruflluuuuuuuN!uuu!N~NN'w"4vfI4~ceoI!$egoPIIliillIy(p,;OI!,gg;<<Ii)]IlIilia'I,IIIIIIIIII,Iliili)i'I""'l,'ii'iPI9l~lPL*KCOCFO5IiIII~IIII'4I'.Il"ij[gf(ilPIIiIlIII~i(IIcooceoICII!derlllllllllhllliOLACIAI,fILL440dCOFOROSrA'$00SECTlOND-DNORIZONIA5At!NI'CCI0$001000NOIC:\VRSVRFACCCONOIII,".5i.LV5f+AICOAtdvtRtAC$8AfNfddvINICRrfLAfld'ItCIAC5"8ORINdr5CONRFOVf',IARIAIIONCAvirvArrr.OfINOICAICOAvfrrtCRC$55C.'ANdtt')itCOftORt'Art'ORICLOOAIIONGEOLOGICCROSS-SECTION~~G<<<N<4DAMSS8MOORSPLATEZA-l00 FIGUREgGENERALIZEDPRECONSTRUCTIONGgoltlfDWATERTABLE+(~E1~ENYIKONHENTAlHOhllTOF.IN/mzLLa10DAHN'S$HOOgfOOKI~e8l$0$4~5.VCOgpls00'Atbpm'00)OgImNs>SNfsTAc~~te:Obs.Wells2,3,6,and7werediscontinuedafterAugust,1978. Figure6,MassBalanceofBaseline'aterQualityPOTABLEDELINO.IPOTABLEWELLN0.2Na.$0'zSOqCIMgCICzHCO~CRHCO~NOTE:TotalpercentageoftheionsisbasedontheMarch,1972analysis WadeOtTankFigureNo.7WaterTableMapEMENOQWaleooat5on~n>>~>>ehntathns)~ta~BPIPOfk>>ttalCNNteet(4athet<<twehtt>>tact)I1Joy0<<ataat~I'3cramtat.ea'OTSAteeeeaeeeee~eHeeetisateete~aee~IeeeeteeeeHellfeNllfaeeeeeeAAlinea~eIae'igureetataa.aTa>>Teaoaaetaa.HattTccateaHttaaeaTetee>>a<<taAH1TteeHatetccHtoaotntlcaatcHttoolovHCTNTTIIILcwonA<<ttoOC.CCXattttCatAIIAOHCIItlAHT,MOOIAIH,I>>tletAHonawteoHo.AteaeealeleaOATtOAA<<NocAOClNACTI~ctatHeeat0ttt ~I00Waste02TankNSOaI&2tI&2oo~I&IFigureNo.8SoilGasSiteAssessmenttto&~100Noe)~10&~11$Not4rt02~ttattnntgttoenth~0~~net10nos10$~122$~12114gN20II0100100ppontII~120ON&2F120pisaNat10&12010nas10Naa10N2210NSS10ppoo~~1stIknsanaa~lootlattloan&200~ISS10nnQltxthdw&terTeatPotnlLocatk&t{IoppopaoetowOstect&2202twk&)Qwe~IoppSolVaport&COIO2o~12010AeoowryWel/10ppo&N20tt22n20N20~0122tkyosf210t&ooRptsN41at&aLtraaar&CD&etta,Mw&D&xto&NrlKw&Itlltloscol~'AxItI~oloPNIIrlaocAAecHhwCMwaoa0C.COOKNICL&AIIfOW&aftpfrr.MlCoo&At&tata&0AMOIIAWOOONO.ACOOOO&teleNoo,CAT&IPIe&OCWAWON&ACCOAACrlAff&OS.'Catar.or&ICCMCWA FigureNo.9OQHALOC.COQKNUCLEARPLANTGRQUNONATEROISCHARGEHQNITORINGS620TA615IC610XA605TEASM/'~%U.8-NELLii-le.12LE585VEL590497619772977307749771978297830784I78197919792979397949791980298039804980t08TIIKBYNA8TER FigureHo.9ContinuedDONALDC.COOKNUCLEARPLANTGROUNDWATERDISCHARGEMONITORING620TA615IC610NI605TE8ai-NELL1A~NELL8-%LLii-NELL12LE595YE"sso198129813981481iNc?298229623Q62482198329833983483iQS429M39N4'985298539854985(1) FigureNo.9ContinuedDONALDC.COOKNUCLEARPLANTGROUNDWATEROISCHARGEMONITORINGST615TIC610XA605TER600~le.1A~le8-I&Aii-%LL12LE595EL1QB62QB63QB64Q86iQ872Q873QB74Q871QBB2988384QBBi92N93NS4NS1Q902Q903Q90480TDKBYIJARTER 0 ~~III~III~~'<I.'II'llIIIIIIIII;~~;tP1 I FigureNo.10ContinuedOQNALDC.COOKNUCLEARPLANTGROUNDWATERDISCHARGEMONITORINGTo25OOTALDISf5000L"iteaED~%LLfA~IGL8-%LLii-IGLiaS5OO0LI04iNi2Ni3QBf4NiiNa2Na2N23Na4aaiN3233N34N3i42au3N44841Q852N5354N5(08TDKSYNNTER f FigureNo.loContinuedDONALDC.COOKNJCLEARPLANTGROUNDWATERDISCHARGEHONITORINBT02500TAL2000nISi5000LE1000n~%LLiA-ALLii-lKLLi2'000Ln0SiNS2NS3NS4NSiN72730874N7iN82QN3N84N8iN92NS394NSiNO2O31904090TI%bYOUARTHl 1I4 FigureNo.llDONALDC.COOKtSCLEARPLANTGROONNATEBDISCHARSENNITORING1200.9800ULF600ATE400~KLL8-NELLii-NELL124P61G772G773G774G7719788PB38784P8iG7916798P93G794P9198029803GBO4GBO(1)STDKBYSJAfHER ~M" FigureNo.llContinuedDONALOC.COOKNUCLEARPLANTGROUNDWATERDISCHARGEMONITORINGi000800ULF600ATEeO-lfELLiA-ltELLii-lGAi2i98i208i308i498ii9822229823982482i983298339834983i9842$H3QH484i985298539854985(08TI%BYIJARtER //~lj FigureNo.1lContinuedDONALDC.COOKNUCLEARPLANTGROUNDWATERDISCHARGE}SNITORINGS800ULF600ATE~N3J.ia<<iGI,8-I'LLii-lKLLi219862639864986fN720873N74N7i0882838ASiN92N93NS49i09029903090480TI%BYNARTER TritiumActivities1981-1990FigureNo.12(E3pCi/I)1401201008060402004430'04~~~P(p~c-~-*g1XIdQwe~7g1981198219831984198519861987198819891990YearAbsorptionPond TritiumActivities1981-1990(E3pCi/I)101981198219831984198519861987198819891990YearV&II4'4 FigureNo.14TritiumActivities1981-1990(E3pCi/I)6Ie019811982198S198419S519881987198819S9.1990Year~Weri4'5 FigureNo.l5TritiumActivities1981-1990{E3pCi/I)6'lj01981198219881984198519881987198819891990YearV&II46 Figure3:Ga.l4aENAR.YBAlcHSAWIjLGh,WELLSlaKE~r>>M(CKIGAMQ1,'9II~AIII1IjIJ~IIIQIQ,,Q,>>CllIIII~IIIIIIIII..~/!III-jr,IIIIIIIj>>IIIIg)g;,-"/....==).CgI~\IIII0Cr1~r111111>>1>>11I1.0,...I1~I~'8'.II41~~X/Q"IIIR)XyIIIo~rI(g>>pI11I~~~*~~r.~'~w~~~QJ'IP/,11s1'IRSSoaaeou,BIND'Ir"'IA'"~,I~j/gEORIIERPOTABLESOPPLy1WellNo.2,!'ORMERPOTABLESUPPLy~.'ELLNo1FORMERPOTBNellNo1.~,~,.'~~+gxgi(Da.scontinuedAfterl978)I~OVCRFLO&POIIIII11~Zap5CAI(IerX-cgr>>>>~Neo~~~XX)0>>>>I Figure16b2I35~aOI5I8r.~',P5PlowW~LocNclopt-SIRIlll'l~V/r//I,QIrooNlhlt&TVLLSii.IlIIc~II0~--'>l~iiIIIttI.IIISIo,ISAI/I,PMbWt.'I.I-5ItII'Ill'b.IlIItlItIIIt,IlIIii5Ilo"ilI.~RMoR81lort.8uttrr///Ovttll'aoeiPWIIeJ~,II!5/~/I'r~IpI/'~I~./~/// FigureNo.17.FormerPotableSupplyWellNo.2ColNcntratioaotMeMg,HC01~SO4cC1.POTABLEMELL02LEGENDPV2CA~CALCIUHPN2NA~SOOIUHPN2HG~HACKESIUHPW2S04~SULFATEPN2HC03~BICARBONATEPlf2CL~CHLORIOE1976N1977g~1978g197Qg1988mI198fP1982g1983g1984Q1Q85IMEINMONTHS FigureNo.1SFormerPotableSupplyNellNo.lconcentrationofHagCaHgHCO~S04@CDPOTABLEMELLIml1LEGENDPVICA~CALCIUHPVlNA~SOOIUHPV1HC~HACNESIUHPVISO4~SULFATEPVIHC03~BICARBONATEPViCL~CHLORIOEPN1804Gll76+1977g1978g1979+~1985g1Q81t41QBR'1988.g1984Q1985 32.CalculationofAnnualDosestoManfromEffluentsforthePurposeofEvaluatingAppendixINRC;October1977RegulatoryGuide1.109TER-C5506-89/90RoutineReleases/ofReactorCompliancewith10CFR50r(00FranklinResearchCenterADIrtstoner'nreFrenkIinInstitute-22" /Ih UNITEDSTATESDEPARTMENTOFTHEINTERIORGEOLOGICALSURVEY8637'30"'4142'00(495<<Nf(331343535STATEOFMICHIGAN)655IISE(5TEI/ENSt/ILLEIWavcrlnndBeachltsc'37RI9W32'0"KALA<<420050nfl5M(10US)24//i-ILINQ/Grurw(MereI.nl.es'/(551)(/'/;/ot4(BO46e9(I(,e"BRIDGMANQUADRANGLEMICHIGAN-BERRIENCO.7.5MINUTESERIES(TOPOGRAPHIC)86'ly42'0Nt/Irt(RECOAKS(SDULDRAHJLEI4IOODOFEETt'taC-N';-,.i(33/',r(I/','4.<<48ROADJi.,Wt!TES~(4I!Rt(sumaryReach,':Pawsnt(4'ii/.tI//(22(I/50)heu/j'(~T(LI,N//!(I/Or(enIil4l6)5H(HCHM4(I10!'!:Ife)5MARKSROAD'3"0-,FErROKD<<tef.41.(rt/97P.~,.I(t~/RO>>//.'"'(3'LfviognttonIfit6502002<<45KucIt57'30"<<44~64304eL"4('n,..g!/pcs'.t-44)Dr('lW55B(MChRscrslusnslArea~V~)..LEMON660'"llREEKM('q6((tIc1RDK0InoI~...(ftntJ(1...,'CS'/HI:178-'g'M~((I!L':"f',"I6GeltCourse'i'rid(;ma(:I/'ry,fig(4l.I/iil.jcnpisro,fifEK64)ORKIHR040(/3I6(i(C3~(4400!5<<435(1Q5ttto57'30<<45~641f(I,,4)0)<<41<<4155'480/,u,/'i,)(HP'(())!I/1ISKttI4550Sswi0/spo(5(-</..opnyn/,'///1/l'5/.'(/i/5521(c/-r,.(~ril,.;Il.I/i(140(I'I0DAcl28,'I'rt556"tI-I~CCAEli60~<<41to<<39QiI0t)~gl.;.!0Q1t(39t<<38150000FEo.~fi+~M~:,Tys'"2/'0"/'/((cC~Ha/L~K(,.~,y,-.-"I~Wi."'"/I/...~-21.)/Il.~.X~tg',,(IX-~-.~~~~~Eelhucetr/,-,/"29.'."I,Ž00'1tzlw-f(,SLShorewOodI-650Bathany1/:,IJ...B0"rro4o"-rT65I,'(ROKITJ655(('61+545O175R0~0,L~rows(J-,rJompr((w(0Fg6(NES(HE0"I--5)0/I,<<38/////'/IIfe/'I',(I(34/8(000l5).~'~.S(56()~wIl90't(6(1a1I652\t'-.I-J.//ES,~A',!W-/./IrCs';..:ll:,Ie/.8/~~~~'i(4/go(;twoo<<3555(wR41'2'0"86'0IEPe"pcw86'7'(PI360000FEET(335Ml.ToUslsMapped,edited,andpublishedbytheGeologicalSurveyincooperationwithStateofMichiganagenciesControlbyUSGSandUSCSGSTopographybyphotogrsmmetncmethodsIromserialphotog/aphstaken1969Fieldchecked1970SelectedhydrographicdatacompiledfromU.S.LakeSurveyChart75(1969(.Thi5informationNnotintendedfornavigationalpurposesNN534350'e'NILS(THREEOAKS()551lSESCALE3240000)00(40CO90003'35ROADCLASSIFICATIONIICDD0I(K(::F:IIN(LE6COD1000F(ET:-~:::)Pnmaryhighway,LtghtKfutyroad,hardorhardsurfaceimprovedsurfaceSecondaryhighway,hardsurfaceUnimprovedroadQInterstateRouteQU.S.RouteOStateRouteIK(LONE((R25(/MICH(GANCONTOURINTERVAL10FEETDATUMISMEANSEALEVELDEPTHCURVESANO50tlND(NGINFEET-DATUMISLOWWATER5768FEETRDWRI9W~~Polyconicprotection.1927NorthAmericandatum10.000.footgndbasedonMichigancoordmatesystem,southzone1000.meterUniversalTransverseMercatorgridticks,zone16,showninblueFinereddasheduncsindicateselectedfenceandfielduncswheregenerallywsibleonsenalphotographs.Thisintormationisuncheckedurl(GRIDANO(910N*GNE((CNOR(HDSCL/NLI/ON4(CCN(EROFSHET(THISMAPCOMPLITSWITHNATIONALMAPACCURACYSTANDARDSFORSALEBYU.S.GEOLOGICALSURVEY,WASHINGTON,O.C.20242AFOLDERDESCRIBINGTOPOGRAPHICMAPSANDSYMBOLSISAVAILABLEONREQUESTDL(ADRANGLELOCATIONBRIDGMAN,MICHNE/ITHREEOAKS(5'UADRAND,N4152.5-W8630/7.51970AMBSearINE-SERIESvs52SIAPERTURECARD}}

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