ML16202A235

Grand Gulf, Unit 1 - Transmittal of 2015 Annual Radioactive Effluent Release Report (ARERR)

ML16202A235
Person / Time
Site:	Grand Gulf
Issue date:	07/20/2016
From:	Nadeau J Entergy Operations
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
GNRO-2016-00039
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..=.e:!SEntergyGNRO-2016/00039July20,2016u.s.NuclearRegulatoryCommissionAttn:DocumentControlDeskWashington,DC20555-0001EntergyOperations,Inc.P.O.Box756PortGibson,MS39150JamesNadeauManager,RegulatoryAssuranceGrandGulfNuclearStationTel.(601)437-2103

DearSirorMadam:

SupplementtoGrandGulfNuclearStation2015AnnualRadioactiveEffluentReleaseReport(ARERR)GrandGulfNuclearStation,Unit1DocketNo.50-416LicenseNo.NPF-29EntergylettertoNRC,GrandGulfNuclearStation2015AnnualRadioactiveEffluentReleaseReport(ARERR),datedApril19,2016(GNRO-2016/00020,ML16109A285)AttachedistheGrandGulfNuclearStationAnnualRadioactiveEffluentReleaseReport(ARERR).ThisreportcoverstheperiodfromJanuary1,2015throughDecember31,2015.AttachmentIIoftheGrandGulfNuclearStationAnnualRadioactiveEffluentReleaseReport(ARERR)containsthesupplementalinformationnotsubmittedwiththeaboveReference.ThisinformationisrequiredtobereportedwiththeARERRpertheGrandGulfNuclearStation(GGNS)OffsiteDoseCalculationManual(ODCM)section6.3.10,anddidnotresultinanyunmonitoredgaseouseffluentreleasestotheenvironment.Thisreportissubmittedinaccordancewiththerequirementsof1OCFR50.36(a)(2)andGGNSTechnicalSpecification5.6.3.TheARERRalsocomplieswiththeGGNSODCM.Thisletterdoesnotcontainanynewcommitments.Ifyouhaveanyquestionsorrequireadditionalinformationconcerningthisreport,pleasecontactRichardSumrallat(601)437-2115.Sincerely,JJN/tmm

Attachment:

GrandGulfNuclearStation2015AnnualRadioactiveEffluentReleaseReport(ARERR)

GNRO-2016/00039Page2of2cc:NRCSeniorResidentInspectorGrandGulfNuclearStationPortGibson,MS39150U.S.NuclearRegulatoryCommissionATTN:KrissKennedy(w/2)RegionalAdministrator,RegionIV1600EastLamarBoulevardArlington,TX76011-4511U.S.NuclearRegulatoryCommissionATTN:Mr.JamesKim,NRR/DORL(w/2)MailStopOWFN/8B111555RockvillePikeRockville,MD20852-2738Mr.B.J.SmithDirector,DivisionofRadiologicalHealthMississippiStateDepartmentofHealthDivisionofRadiologicalHealthP.O.Box1700Jackson,MS39205Dr.MaryCurrier,M.D.,M.P.HStateHealthOfficerMississippiDepartmentofHealthP.O.Box1700Jackson,MS39205-1700 AttachmenttoGNRO-2016/00039GrandGulfNuclearStation2015AnnualRadioactiveEffluentReleaseReport(ARERR)._-......-

ENTERGYOPERATIONS,INC.GRANDGULFNUCLEARSTATIONANNUALRADIOACTIVEEFFLUENTRELEASEREPORTJANUARY1,2015-DECEMBER31,2015env-teciARERR01PreparedBy:ReviewedBy:ApprovedBy:JimReeseCountRoomSpecialistRogerTolbertChemStaffRichardSumrallChemistryManager TABLEOFCONTENTSSUBJECTPAGEI.INTRODUCTION4II.DETAILEDINFORMATION5A.RegulatoryLimits51.ODCMControlLimits5a.FissionandActivationGases5b.Radioiodines,TritiumandParticulates5c.LiquidEffluents52.10CFR50,AppendixI,Limits6a.FissionandActivationGases6b.Radioiodines,TritiumandParticulates6c.LiquidEffluents63.40CFR190Limits7B.EffluentConcentrations71.Airborne72.Liquid7C.AverageEnergy8D.MeasurementsandApproximationsofTotalActivity81.ForFissionandActivationGases92.ForParticulatesandRadioiodines103.ForContinuousReleases104.ForBatchReleases:Gases105.ForBatchReleases:LiquidEffluents11E.BatchReleases111.Liquid112.Gaseous11F.AbnormalReleases121.Liquid122.Gaseous12env-teciARERR01 TABLEOFCONTENTS(CONT'D)SUBJECTG.EstimateofTotalError1.Liquid2.Gaseous3.SolidRadioactiveWasteH.SolidRadioactiveWasteShipmentsI.MeteorologicalDataJ.RadioactiveEffluentMonitoringInstrumentationOperabilityK.AnnualSewageDisposalSummaryIII.RADIATIONDOSESUMMARYA.Water-RelatedExposurePathwayB.Airborne-RelatedExposurePathwayIV.OFFSITEDOSECALCULATIONMANUAURADIOACTIVEWASTETREATMENTSYSTEMCHANGESA.OffsiteDoseCalculationManual(ODCM)B.RadioactiveWasteTreatmentSystemsLISTOFTABLESliLA2015LiquidEffluentDoseIII.B2015AirborneEffluentDose1AGaseousEffluents-SummationofAllReleases1BGaseousEffluents-ElevatedReleases1CGaseousEffluents-Ground-LevelReleases-Continuous1DRadioactiveGaseousWasteSamplingandAnalysisProgram2ALiquidEffluents-SummationofAllReleases2BLiquidEffluents-ContinuousandBatchModes2CRadioactiveLiquidWasteSamplingandAnalysisProgram3SolidRadioactiveWasteandIrradiatedFuelShipmentsATTACHMENTSAttachmentI-NuclearEnergyInstitute,NEI,GroundwaterProtectionInitiativeSampleResultsAttachment11-Table6A,SupplementalInformationPAGE12121313 13131313141414171717PAGE14161819202122232425PAGE2836env-teciARERR01 I.INTRODUCTIONThisAnnualRadioactiveEffluentReleaseReport(ARERR)fortheperiodofJanuary1throughDecember31,2015,issubmittedinaccordancewithTechnicalSpecifications,Section5.6.3,ofGrandGulfNuclearStation(GGNS)LicenseNo.NPF-29.ThemonitoringofradioactiveeffluentsisreferencedinOffsiteDoseCalculationManual(ODCM)AppendixA,Sections6.11and6.12.AirbornedischargesatGGNSareconsideredground-levelreleases.AllliquidandairbornedischargestotheenvironmentwereanalyzedinaccordancewithODCMrequirements.AlleffluentreleaseswerewithintheconcentrationandtotalreleaselimitsspecifiedbytheODCM.ProjectedoffsitedoseswerewithinthedoselimitsspecifiedbytheODCM.ThesummationofallknowngaseousreleasesduringthereportingperiodisreportedinTable1A.ElevatedgaseousreleasesarenotapplicableatGGNSasreportedinTable18.Thesummationofallknownground-levelgaseousreleaseduringthereportingperiodisreportedinTable1C.TheradioactivegaseoussamplingandanalysisprogramimplementedatGGNSisdescribedinTable1D.ThesummationofallliquidreleasesduringthereportingperiodisreportedinTable2A.ThecontinuousandbatchmodeliquidreleasesarereportedinTable28.TheradioactiveliquidwastesamplingandanalysisprogramimplementedatGGNSisdescribedinTable2C.SolidradioactivewasteandirradiatedfuelshipmentsduringthereportingperiodaresummarizedinTable3.GroundwaterProtectionInitiative(GPI)wellsampletritiumresults,whicharenotincludedintheAREOR,areincludedasAttachmentItotheARERR.Theannualsummaryofmeteorologicaldata(iointfrequencydistribution)willbemaintainedonsite.TheoptiontomaintainmeteorologicaldataonsiteisinaccordancewithODCMAdministrativeControlsSection5.6.3.ThisdatashallbeprovidedtotheNuclearRegulatoryCommission(NRC)uponrequest.env-teciARERR01 II.DETAILEDINFORMATIONA.RegulatoryLimits1.ODCMControlLimitsa.FissionandActivationGases-Thereleaseratelimitatanytimefornoblegasestoareasatorbeyondthesiteboundaryshallbesuchthat:Dtb=averagetotalbodydoserateinthecurrentyear(mrem/yr)I=X/aLjKiai:::;500mrem/yrD,=averageskindoserateinthecurrentyear(mrem/yr)I=X/aLi(Li+1.1Mi)ais3000mrem/yrwherethetermsaredefinedintheGGNSODCM.b.Radioiodines,TritiumandParticulates-Thereleaseratelimitforthesamplingperiodforallradioiodines,tritiumandradioactivematerialsinparticulateformwithhalf-livesgreaterthan8daysshallbesuchthat:Do=averageorgandoserateincurrentyear(mrem/yr)=LjWPia-Iis1500mrem/yrwherethetermsaredefinedintheGGNSODCM.env-teciARERR01c.LiquidEffluents-Theconcentrationofradioactivematerialsreleasedinliquideffluentstounrestrictedareasfromthesiteshallnotexceedatanytimetentimesthevaluesspecifiedin10CFR20,AppendixB,Table2,Column2.Theconcentrationofdissolvedorentrainednoblegases,releasedinliquideffluentstounrestrictedareasfromallreactorsatthesite,shallbelimitedto2x10.4microcuries/mltotalactivity.

II.DETAILEDINFORMATION(CONT'D)2.10CFR50,Appendix1Limitsa.FissionandActivationGases-Thedosefromnoblegasesingaseouseffluentstoareasatorbeyondthesiteboundaryshallbesuchthat:DY=airdoseduetogammaemissionsfromnoblegases=3.17X10-8LjMjXlOIOJs5mrad/qtr10mrad/yr=airdoseduetobetaemissionsfromnoblegases=3.17x10-8LjNiXlO'OJ10mrad/qtr20mrad/yrwherethetermsaredefinedintheGGNSODCM.b.Radioiodines,TritiumandParticulates-Thedosetoanindividualfromtritium,1-131,1-133andradioactivematerialinparticulateformwithlivesgreaterthan8daysingaseouseffluentsshallbesuchthat:Dp=dosetoanindividualfromtritium,1-131,1-133andradionuclidesinparticulateformwithhalf-livesgreaterthan8days(mrem)=3.17x10-8LiRjWIOi7.5mrem/qtrAnyOrgans15mrem/yrAnyOrganwherethetermsaredefinedintheGGNSODCM.c.LiquidEffluents-Thedosefromradioactivematerialsinliquideffluentsshallbesuchthat:mDTau=L[AiTauLc,FI]1.5mrem/qtrTotalBodyi1=15mrem/qtrAnyOrgan3mrem/yrTotalBody10mrem/yrAnyOrganwherethetermsaredefinedintheGGNSODCM.env-teciARERR01 II.DETAILEDINFORMATION(CONT'D)3.40CFR190LimitsDosesarecalculatedforFissionandActivationGases;RadioiodinesandParticulates;andLiquidEffluentsaccordingtoequationscontainedinSections2.(a),(b),and(c)respectively,withtheexceptionthatthelimitsappliedare:mrem/yr,TotalBodyoranyOrganexceptThyroidmrem/yr,Thyroid0mrady/qtrormrady/yr,FissionandActivationGasesmradp/qtrormradp/yr,FissionandActivationGasesmrem/qtrormrem/yr,anyOrgan,IodineandParticulatesmrem/qtrormrem/yr,TotalBody,LiquidEffluents0mrem/qtrormrem/yr,anyOrgan,LiquidEffluentsB.EffluentConcentrations1.AirborneTheEffluentConcentrationLimit(ECl)ofradioactivematerialsingaseouseffluentsislimitedbythedoseraterestrictionsgiveninSectionII.A.1.a.Inthiscase,theEClsareactuallydeterminedbythedosefactorsinTable2.1-1oftheGGNSODCM.GaseousdoseratesratherthanEffluentConcentrationLimitsareusedtocalculatepermissiblereleaseratesforgaseousreleases.ThemaximumpermissibledoseratesforgaseousreleasesaredefinedintheGGNSODCM6.11.4.aas500mrem/yr(TotalBody)and3000mrem/yr(Skin)andin6.11.4.bas1500mrem/yr(Organ).2.LiquidTheEClofradioactivematerialsinliquideffluentsislimitedbytentimesthevaluesin10CFR20,AppendixB,Table2,Column2.TheEClchosenisthemostconservativevalueofeitherthesolubleorinsolubleEClforeachradioisotope.env-tedARERR01 II.DETAILEDINFORMATION(CONT'D)C.AverageEnergyNotapplicableforGGNSODCMAppendixA.TheGGNSODCMlimitstheinstantaneousdoseequivalentratesduetothereleaseofnoblegasestolessthanorequalto500mrem/yeartothetotalbodyandlessthanorequalto3000mrem/yeartotheskin.TheaveragebetaandgammaenergiesoftheradionuclidemixtureinreleasesoffissionandactivationgasesasdescribedinRegulatoryGuide1.21,"Measuring,Evaluation,andReportingRadioactivityinSolidWastesandReleasesofRadioactiveMaterialsinLiquidandGaseousEffluentsfromLight-Water-CooledNuclearPowerPlants,"maybeusedtocalculatedosesinlieuofmoresophisticatedsoftware.TheGGNSradioactiveeffluentprogramsemploysthemethodologiespresentedinU.S.NRCRegulatoryGuide1.109"CalculationofAnnualDosestoManfromRoutineReleasesofReactorEffluentsforthePurposeofEvaluatingCompliancewith10CFRPart50,AppendixI,"Revision1,October1977andNUREG-0133,"preparationofRadiologicalEffluentTechnicalSpecificationsforNuclearPowerPlants,October1978.Therefore,averageenergiesarenotapplicabletoGGNS.D.MeasurementsandApproximationsofTotalActivityThefollowingdiscussiondetailsthemethodsusedtomeasureandapproximatethetotalactivityforthefollowing:FissionandActivationGasesRadioiodinesParticulatesLiquidEffluentsenv-teciARERR01Tables10and2CgivesamplingfrequenciesandLowerLimitofDetectionrequirementsfortheanalysisofgaseousandliquideffluentstreams,respectively.Valuesintheattachedtablesgivenaszerodonotnecessarilyimplythattheradionuclideswerenotpresent.AzeroindicatesthattheradionuclidewasnotpresentatlevelsgreaterthanthesensitivityrequirementsshowninTables10and2C.Forsomeradionuclides,lowerdetectionlevelsthanrequiredmaybereadilyachievable;whenaradionuclideismeasuredbelowitsstateddetectionlimits,itisreported.

II.DETAILEDINFORMATION(CONT'D)1.ForFissionandActivationGasesTheprincipalgammaemittersforwhichtheLLDspecificationinTable1Dappliesexclusivelyare:Kr-87Kr-88Xe-133mXe-135Xe-133Xe-13env-teclARERR01PeriodicgrabsamplesfromStationeffluentstreamsareanalyzedbygammaspectralanalysisutilizinghigh-resolutiongermaniumdetectors(seeTable1Dforsamplingandanalyticalrequirements).IsotopicvaluesthusobtainedareusedfordosereleaseratecalculationsduetoeffluentreleasesasgiveninSectionII.A.1ofthisreport.Theradionuclidesthataredetectedareusedinthiscomputation.Whennoradionuclidesaredetected,ahistoricalmixtureisused.Duringtheperiodbetweengrabsamples,theamountofradioactivityreleasedisbasedontheeffluentmonitorreadings.Monitorsareassignedacalibrationfactorbaseduponthelastisotopicanalysis,usingthefollowingrelationship:where:Cj=isotopiccalibrationfactorforisotopeiUj=concentrationofisotopeiinthegrabsampleinm=netmonitorreadingassociatedwiththeeffluentstream(determinedatthetimeofgrabsampling).Thesecalibrationfactors,alongwiththehourlyeffluentmonitorvaluesandflowrates,areenteredintothelaboratorycomputerwherethereleaseratesforindividualradionuclidesarecalculatedandstored.Ifnoactivityisdetectedinthegrabsample,thecalibrationfactordefaultstoahistoricalmixtureofKr-88,133,Xe-135m,Xe-135,andXe-138.

II.DETAILEDINFORMATION(CONT'D)2.ForParticulatesandRadioiodinesTheprincipalgammaemittersforwhichtheLLDspecificationinTable10appliesexclusivelyare:Zn-65Mo-99Mn-54Cs-134Fe-59Cs-137Co-58Ce-141Co-60Ce-144Sr-891-131Sr-901-1333.ForContinuousReleasesContinuoussamplingisperformedonthecontinuousreleasepointswhenreleasing(Le.,Offgas/RadwasteBuilding,ContainmentBuilding,FuelHandlingArea,TurbineBuilding,andTurbineBuildingOccasionalReleasePoint).Particulatematerialiscollectedbyfiltration.Radioiodinesarecollectedbyadsorptionontoacharcoalfilter.Periodicallythesefiltersareremovedandanalyzedbygammaspectralanalysisutilizinghigh-resolutiongermaniumdetectorstoidentifyandquantifyradioactivematerialscollected.ParticulatefiltersarethenanalyzedforgrossalphaandStrontium-89/90asrequired.Grossalphaisanalyzedusingagasflowproportionaltechnique.Strontium-89/90valuesareobtainedbychemicalseparationandsubsequentcountinganalysisusinggasflowproportionaltechniques.Tritiumconcentrationsaredeterminedusingdistillationandliquidscintillationtechniques.Duringmajoroperationaloccurrences,thefrequencyofsamplingisincreasedtosatisfytherequirementsoffootnote"c"ofTable10,"RadioactiveGaseousWasteSamplingandAnalysis,"(GGNSODCMAppendixA,Table6.11.4-1).Strontiumanalysisisperformedbyaqualifiedcontractlaboratory.Carbon-14(C-14)activityof17.4CuriesreleasedthisyearingaseousformwasobtainedbyestimationusingEPRIspreadsheetBWRSourceTermCalculation(MAL-1)_r1andtheinformationin0060-Rev1-EC42519andadjustedby347.1fullpowerproductiondays.14curiesarereportedinTables1Aand1Cofthisreportandbasedonaconstantreleaseratethroughoutthequarter.4.ForBatchReleases:GasesGaseousbatchreleasesarenotnormallyperformedatGGNS.env-teclARERR01 II.DETAILEDINFORMATION(CONT'D)5.ForBatchReleases:LiquidEffluentsTheprincipalgammaemittersforwhichtheLLDspecificationinTable2Cappliesexclusivelyare:H-3Mn-54Fe-55Co-58Co-50Fe-59Zn-55Sr-89Sr-90Mo-991-131Cs-134 Cs-137Ce-141 Ce-144Representativepre-releasegrabsamplesareobtainedandanalyzedasrequiredbyTable2C.Isotopicanalysesareperformedbygammaspectralanalysisutilizinghigh-resolutiongermaniumdetectors.Aliquotsofeachpre-releasedsample,proportionaltothewastevolumereleased,arecompositedinaccordancewiththerequirementsofTable2C.Strontium-89/90andIron-55valuesareobtainedbyindividualchemicalseparations.Strontium-89/90isanalyzedusinggasflowproportionaltechniques.Iron-55isanalyzedusinglowenergyphotontechniques.Grossalphaisanalyzedusingagasflowproportionaltechnique.Tritiumisdistilledandthenanalyzedusingliquidscintillationtechniques.Dissolvedgasesaredeterminedemployinggrabsamplingtechniquesandanalyzedbygammaspectralanalysisutilizinghigh-resolutiongermaniumdetectors.IronandStrontiumanalysesareperformedbyaqualifiedcontractlaboratory.E.BatchReleases1.Liquidb.Totalforallbatchesc.Maxtimeforabatchd.Avtimeforabatche.Mintimeforabatchf.Av.dil.waterflowm2.Gaseous9.58E+033.20E+022.52E+021.35E+024.75E+035.52E+033.20E+022.76E+021.01E+025.69E+035.61E+033.07E+022.95E+022.78E+026.26E+036.26E+033.16E+022.98E+022.45E+025.49E+032.70E+043.20E+022.75E+021.01E+025.41E+03env-teciARERR01Nobatchreleasesoccurredduringthereportperiod.

II.DETAILEDINFORMATION(CONT'D)F.AbnormalReleases1.Liquida.NumberofReleases:b.TotalActivityReleased:oO.OOE+OOCiNoabnormalliquidreleaseswereidentifiedforthisreportingperiod.2.Gaseousa.NumberofReleases:b.TotalActivityReleased:oO.OOE+OOCiNoabnormalgaseousreleaseswereidentifiedforthisreportingperiod.G.EstimateofTotalError1.LiquidThemaximumerrorsarecollectivelyestimatedtobeasfollows:Fission&Dissolved&EntrainedGrossActivationTritiumProductsGasesAlpha2.60E+012.60E+012.60E+012.60E+016.80E+016.50E+016.10E+019.20E+017.30E+017.00E+016.60E+019.50E+01env-teciARERRO1Samplingerrorsincludeuncertaintyassociatedwithmixing,representativesamplinganddischargevolume.Measurementerrorsincludeuncertaintyassociatedwithinstrumentcalibrationandthepreparationandcountingofactivitysamples.Countingerrorsarebasedonmeasurementsofblanksamples.Forgermaniumdetectors,theleast-readily-detectableradioisotopeisusedtodeterminethecountingerror.Calibrationerrorsarecalculatedbysummingtheerrorsassociatedwiththecalibrationofaparticularinstrumentwitharadioactivesource.Thetotalerroriscalculatedbytakingthesquarerootofthesumofthesquaresoftheindividualerrors.

II.DETAILEDINFORMATION(CONT'D)2.GaseousThemaximumerrors(notincludingsamplelineloss)arecollectivelyestimatedtobeasfollows:Fission&ActivationIodineParticulateAlphaGrossProductsTritium3.20E+012.30E+012.20E+012.20E+012.30E+016.10E+016.70E+016.50E+011.01E+026.20E+01TOTAL%6.90E+017.10E+016.90E+011.03E+026.60E+01Samplingerrorsincludeuncertaintyassociatedwithsampleflow,ventflowandmonitorcalibration.Measurementandtotalerrorsarecalculatedbythesamemethodsusedforliquideffluents.3.SolidRadioactiveWasteEstimatedTotalError%forallwastetypesis+/-2.50E+01.Samplingerrorsincludeuncertaintyassociatedwithmixingandrepresentativesampling.H.SolidRadioactiveWasteShipmentsSeeTable3forshipmentinformation.I.MeteorologicalDataThedatarecoveryforthereportingperiodwas99.3%.ThepredominantwinddirectionwasfromtheNorth-Northeastapproximately12.0%ofthetime.Thepredominantstabilityclasswasclass"0"approximately30.4%ofthetime.Averagewindspeedduringthereportingperiodwasapproximately4.2milesperhouratthe33footelevation.Theannualmeteorologicaldata(HourlyAverageDataorJointFrequencyDistribution)willbemaintainedonsiteinafilethatshallbeprovidedtotheNRCuponrequest.J.RadioactiveEffluentMonitoringInstrumentationOperabilityNoreportableinstancesofinoperabilityoccurredduringthereportingperiod.K.AnnualSewageDisposalSummaryTherewerenosewagedisposalsin2015.env-tedARERR01 III.RADIATIONDOSESUMMARYIndicatedbelowistheannualsummaryofoffsitedosesattributabletoGGNSduring2015.InspectionofthevaluesindicatesthatGGNSreleaseswerewithinthe10CFR50,AppendixI,designobjectives.Sincetherearenootherfuelcyclefacilitieswithin8kmofGGNS,40CFR190limitswerealsometduringthisperiod.A.Water-RelatedExposurePathwaysThevaluescalculatedinthissectionutilizetheinformationprovidedinTables2Aand28ofthisreportandthecalculationmethodologyoftheODCM.LiquidEffluentsTotalbodydoseandcriticalorgandosesarecomputedforthemaximumexposedindividual.Themaximumdosecontributionfromliquideffluentsisconsideredtooccurintheadultagegroupviaconsumptionoffish.TableIII.A2015LiquidEffluentDose(mrem).>./*.*....i*.i*....*15tQtr2ndQtr3rdOtr4thQtrTOTAL.....:.......Bone3.12E-039.59E-03O.OOE+OO1.88E-023.18E-02Liver8.70E-031.63E-021.44E-033.07E-025.74E-02Thyroid8.36E-049.27E-049.09E-041.36E-034.13E-03Kidney5.37E-037.02E-039.24E-041.30E-022.63E-02Lunq1.07E-032.42E-039.09E-043.99E-038.56E-03GI-LLI7.99E-034.06E-031.36E-037.30E-032.02E-02ApplicableLimit555510PercentofLimit1.74E-013.26E-012.88E-026.13E-015.74E-01WholeBody4.85E-031.05E-021.20E-031.94E-023.62E-02ApplicableLimit1.51.51.51.53PercentofLimit3.23E-017.00E-018.00E-021.29E+001.21E+OOB.Airborne-RelatedExposurePathwaysThevaluespresentedinthissectionutilizeinformationprovidedinTables1Aand1CofthisreportandthecalculationmethodologyoftheODCM.Doseanddoseratesarecomputedforlocationsatthesiteboundaryoratunrestrictedareaswithinthesiteboundary.Becausemembersofthepublicmay,onoccasion,befoundwithinthesiteboundary,twofishinglakes,therecreationalvehiclelaydownarea,andtheGGNSEnergyServicesCenterlocationswerealsoevaluated.Considerationofsiteboundarylocationsaswellasunrestrictedareaswithinandbeyondthesiteboundaryprovidesassurancethatoffsitedoseswillnotbesubstantiallyunderestimatedwhileattemptingtoprovideanaccuratedosecalculation.DosesforaMemberofthePublicarecomputedbasedon2015meteorologicaldataandonthemostrecentlandusecensus,withthemostlimitinglocationused.Duringnormaloperations,thedispersionanddepositionfactorsusedfordosecalculationsarefromfive-yearhistoricalannualaveragemeteorologicaldata.env-teciARERRO1 III.RADIATIONDOSESUMMARY(CONT'DlOrganDoseThemaximumorgandosetoaMEMBEROFTHEPUBLIC(criticalreceptor)fromradioiodines,tritium,andparticulateswascalculatedforthisreportusingthemostrecentlandusecensusanddispersionanddepositionparametersfrom2015meteorologicaldata.Thecriticalreceptorresidencewasdeterminedtobelocatedinthesouthwestsectoratadistanceof1432meters(0.89miles)fromtheplant.Pathwaysconsideredforuseintheorgandosecalculationsareinhalation,groundplane,grass/cow/meat,andvegetation.Thereisnograss/cow/milkpathwaywithinfivemilesofGGNS.Itwasassumedthattheagegroupreceivingthemaximumdoselivedattheresidenceandthatthereceptorconsumedfoodproductsthatwereraisedorproducedattheresidence.Thisdoseisdocumentedinthefollowingtableastwoseparateentries.ThefirstorgandoseentryexcludesC-14whilethesecondentryincludesorgandosefromtritium,radioiodines,particulates,andC-14.AverageTotalBodyandSkinDoseRateIndividualtotalbodyandskindoseratesfromexposuretoasemi-infinitecloudofnoblegasarecomputedforalocationinthewest-northwestsectoratadistanceof1207meters(0.75miles)fromtheplant.Thislocationcorrespondstothehighestannualaverageatmosphericdispersionfactorforalocationatorwithinthesiteboundarybasedon2015meteorologicaldata.Thetotalbodyandskindoseratesreportedarethequarterlyaverageofthemaximuminstantaneousdoseratesdetermineddailyduringthereportingperiodandrepresentthemaximumpossibledoseratereceivedbymembersofthepublic.AirDosefromGammaandBetaEmissionsAirdosesfromgaseouseffluentswerecalculatedforthisreportusingdispersionparametersfromthe2015meteorologicaldata.Thehighestdispersionfactorforanunrestrictedareawasinthewest-northwestsectoratthesiteboundary,1207meters(0.75miles)fromtheplant.DirectRadiationDirectradiationdoseiscalculatedbysubtractingaveragedosesmeasuredbythermoluminescentdosimeter(TLD)badgeslocatedatcontrollocationsfromaveragedosesmeasuredbyTLDbadgeslocatednearthesiteboundary.GGNSreportedmeasureddosesin2015asnetexposurenormalizedto92days.env-teciARERR01 III.RADIATIONDOSESUMMARY(CONT'D)Carbon-14Carbon-14(C-14)isanaturallyoccurringisotopeofcarbon.Nuclearweaponstestinginthe1950sand1960ssignificantlyincreasedtheamountofC-14intheatmosphere.Carbon-14isalsoproducedincommercialnuclearreactors,buttheamountsproducedaremuchlessthanthoseproducednaturallyorfromweaponstesting.Inrecentyears,theanalyticalmethodsfordeterminingC-14haveimproved.CoincidentallytheradioactiveeffluentsfromcommercialnuclearpowerplantshavealsodecreasedtothepointthatC-14hasemergedasaprincipalradionuclideingaseouseffluents.TheonlysignificantdosepathwaytoamemberofthepublicfromC-14releaseisthroughconsumptionofvegetation.VegetationincorporatesC-14informofcarbondioxide(C02)duringphotosynthesissodosesarecalculatedbasedontheCO2fractionofthecarbonreleasedingaseousform.ACO2fractionof95%isusedbasedonEPRITechnicalReport1021106,"EstimationofCarbon-14inNuclearPowerPlantGaseousEffluents."ThehighestatmosphericdispersionfactorforanactualgardenbasedonthelandusecensuswasusedtodeterminedosefromC-14.Carbon-14isdispersedasagas(C02)tothegardenlocation,whereitisthenincorporatedintoplantmaterial.Carbon-14doseiscalculatedtoaMEMBEROFTHEPUBLICforthemostagerestrictivegroup(Child)andorgan(bone)atthegardenlocation.Thisdoseisthenaddedtodoseforthesameorganfromtritium,iodine,andparticulates.Thisorgandoseisrecordedandcomparedtothelimitinthefollowingtable.TableIII.B2015AirborneEffluentDose(mrem)1stOtr2ndOtr3rdOtr4thOtrTOTALIodine,Tritium&Particulates(excludingCarbon-14)Child(mrem)9.14E-037.50E-037.98E-038.85E-033.35E-02OrqanThyroidThyroidThyroidThyroidThyroidApplicableLimit7.57.57.57.515PercentofLimit1.22E-011.00E-011.06E-011.18E-012.23E-01Iodine,Tritium&Particulates(includingCarbon-14)Child(mrem)2.94E+003.35E+003.38E+003.38E+001.30E+01OrqanBoneBoneBoneBoneBoneApplicableLimit7.57.57.57.515PercentofLimit3.92E+014.46E+014.50E+014.51E+018.70E+01TotalBodyDoseRate(mrem/yr)2.06E+001.92E+001.69E+001.20E+00li.*i..........ApplicableLimit500500500500PercentofLimit4.12E-013.84E-013.38E-012.40E-01SkinDoseRate(mrem/yr)3.16E+002.75E+002.43E+001.72E+00-ApplicableLimit3000300030003000PercentofLimit1.05E-019.17E-028.10E-025.73E-02iiti.t/i:****'.'.**GammaAirDose*4.02E-027.66E-028.16E-021.52E-013.50E-01ApplicableLimit555510PercentofLimit8.04E-011.53E+001.63E+003.04E+003.50E+00BetaAirDose*3.99E-023.94E-024.68E-021.46E-012.72E-01ApplicableLimit1010101020PercentofLimit3.99E-013.94E-014.68E-011.46E+001.36E+00DirectRadiation(mrem)0.00.00.00.40.4*MeasurementUnitsaremradenv-teciARERR01 IV.OFFSITEDOSECALCULATIONMANUAURADIOACTIVEWASTETREATMENTSYSTEMCHANGESA.OffsiteDoseCalculationManual(ODCM)NorevisionstotheODCMwereissuedduringthereportingperiodB.RadioactiveWasteTreatmentSystemsNomajorchangesweremadetotheliquidorgaseousradwastetreatmentsystemsduringthisreportingperiod.env-teclARERRO1 TABLE1AENTERGYOPERATIONS,INC.GRANDGULFNUCLEARSTATIONUNIT1EFFLUENTANDWASTEDISPOSALANNUALREPORTGASEOUSEFFLUENTS-SUMMATIONOFALLRELEASESREPORTFOR201SUnitsQTR1QTR2QTR3QTR4YEARFissionandActivationGases1.TotalRelease2.Avg.ReleaseRate3.PercentofTSLimita.GammaAirb.BetaAir%%CiuCi/sec9.1SE+011.18E+01**8.84E+011.12E+01**1.10E+021.38E+01**1.90E+024.79E+022.39E+011.S2E+01****Iodine-1311.TotalRelease2.Avg.ReleaseRate3.PercentofTSLimitCiuCi/sec%1.S4E-041.98E-OS*1.7SE-062.22E-07*2.61E-OS3.28E-06*S.03E-066.32E-07*1.87E-04S.94E-06*ParticulatesHalfLife>=8days1.TotalRelease2.Avg.ReleaseRate3.PercentofTSLimitCiuCi/sec%O.OOE+OOO.OOE+OO*O.OOE+OOO.OOE+OO*2.03E-062.S6E-07*S.33E-066.71E-07*7.37E-062.34E-07*Tritium1.TotalRelease2.Avg.ReleaseRate3.PercentofTSLimitCiuCi/sec%S.99E+007.71E-01*6.96E+008.8SE-01*6.94E+008.73E-01*8.17E+001.03E+00*2.81E+018.90E-01*Carbon141.TotalRelease2.Avg.ReleaseRateCiuCi/sec3.93E+00S.OSE-014.46E+00S.68E-014.S0E+00S.66E-014.S1E+00S.68E-011.74E+01S.S2E-01GrossAlpha1.TotalRelease2.Avg.ReleaseRateCiuCi/sec3.87E-084.98E-099.82E-091.2SE-09S.3SE-106.73E-11S.06E-086.36E-099.97E-083.16E-09*Applicablelimitsareexpressedintermsofdose.SeeTableIII.Bofthisreport.env*teciARERR01 TABLE1BENTERGYOPERATIONS,INC.GRANDGULFNUCLEARSTATIONUNIT1EFFLUENTANDWASTEDISPOSALANNUALREPORTGASEOUSEFFLUENTS-ELEVATEDRELEASESJANUARY-DECEMBER2015(NotApplicable-GGNSReleasesAreConsideredGround-Level)env-teciARERRO1 TABLElCENTERGYOPERATIONS,INC.GRANDGULFNUCLEARSTATIONUNIT1EFFLUENTANDWASTEDISPOSALANNUALREPORTGASEOUSEFFLUENTS-GROUND-LEVELRELEASE-CONTINUOUSREPORTFOR2015UnitsQTR1QTR2QTR3QTR4YEARFissionandActivationGasesAR-4lCi4.58E+001.0IE+Ol1.34E+Ol1.61E+Ol4.42E+OlKR-85Ci4.81E+OlO.OOE+OOO.OOE+OOO.OOE+OO4.81E+OlKR-85MCi5.77E+009.63E+008.47E+002.63E+Ol5.02E+OlKR-87Ci6.81E-023.72E-OlO.OOE+OOO.OOE+OO4.40E-OlKR-88Ci6.67E+001.18E+Ol9.76E+002.59E+Ol5.41E+OlXE-131MCiO.OOE+OOO.OOE+OOO.OOE+OOO.OOE+OOO.OOE+OOXE-133Ci1.32E+Ol3.08E+Ol4.23E+Ol7.75E+Ol1.64E+02XE-133MCiO.OOE+OOO.OOE+OOO.OOE+OOO.OOE+OOO.OOE+OOXE-135Ci1.16E+Ol2.25E+Ol3.13E+Ol3.84E+Ol1.04E+02XE-135MCi1.33E+002.65E+003.69E+004.53E+001.22E+OlXE-138Ci3.01E-Ol6.08E-Ol8.38E-Ol1.03E+002.78E+00----------------------------------------TotalsforPeriod...Ci9.15E+Ol8.84E+Ol1.10E+021.90E+024.80E+02IodinesI-131Ci1.54E-041.75E-062.61E-055.03E-061.87E-04I-133Ci3.38E-041.29E-051.47E-041.64E-055.15E-04----------------------------------------TotalsforPeriod...Ci4.93E-041.47E-051.73E-042.14E-057.02E-04ParticulatesHalfLife>=8daysCO-58CiO.OOE+OOO.OOE+OO2.03E-063.70E-065.74E-06CO-60CiO.OOE+OOO.OOE+OOO.OOE+OO1.63E-061.63E-06----------------------------------------TotalsforPeriod...CiO.OOE+OOO.OOE+OO2.03E-065.33E-067.37E-06OtherH-3Ci5.99E+006.96E+006.94E+008.17E+002.81E+OlC-14Ci3.93E+004.46E+004.50E+004.51E+001.74E+OlGrossAlphaCi3.87E-089.82E-095.35E-I05.06E-089.97E-08Note:Onlyradionuclideswithpositiveresultswerereported.env-teciARERRO1 TABLE10ENTERGYOPERATIONS,INC.GRANDGULFNUCLEARSTATIONUNIT1EFFLUENTANDWASTEDISPOSALANNUALREPORTRadioactiveGaseousWasteSamplingandAnalysisProgramJANUARY-DECEMBER2015LowerLimitSamplingMinimumAnalysisTypeofActivityAnalysisofDetectionGaseousReleaseTypeFrequencyFrequency(LLD)(uCi/ml)aA.(1)RadwasteBuilding31DaysPrincipalGamma1x10-4VentilationExhaustGrabSample(f)31DaysEmitters(b.e)1X10-6H-3(2)FuelHandlingArea7Days(c)1-1311x10-12VentilationExhaustContinuous(d)(f)CharcoalSample1-1331x10-10(3)Containment7Days(c)PrincipalGamma1x10-11VentilationExhaustContinuous(d)(f)ParticulateSampleEmitters(e)(1-131,Others)(4A)TurbineBuildingVentilationExhaustContinuous(d)(f)31DaysCompositeGrossAlpha1x10-11ParticulateSample(4B)TurbineBuildingOccasional92DaysCompositeReleasePoint(g)Continuous(d)(f)Sr-89,Sr-901x10-11(wheninservice)ParticulateSampleContinuous(f)NobleGasMonitorNobleGasesGrossBeta1x10-6orGammaB.(1)OffgasPost31DaysGrabPrincipalGammaTreatmentExhaust,Sample(f)31DaysEmitters(e)1x10-4wheneverthereisflow(2)StandbyGas31DaysGrabPrincipalGamma1x10.4TreatmentAExhaust,31DayswheneverthereisflowSample(f)Emitters(e)(3)StandbyGas31DaysGrabPrincipalGamma1x10-4TreatmentBExhaust,Sample(f)31DaysEmitters(e)wheneverthereisflowNOTE:FootnotesindicatedarelistedinGGNSODCM,AppendixA,Table6.11.4-1.env-teciARERRO1 TABLE2AENTERGYOPERATIONS,INC.GRANDGULFNUCLEARSTATIONUNIT1RADIOACTIVEEFFLUENTANDWASTEDISPOSALANNUALREPORTLIQUIDEFFLUENTS-SUMMATIONOFALLRELEASESREPORTFOR201SUnitsQTR1QTR2QTR3QTR4YEAR--------------------------------------------------------------------FissionandActivationProductsl.TotalReleaseCi2.26E-032.76E-034.72E-032.94E-031.27E-022.Avg.DilutedCone.uCi/ml1.31E-082.32E-083.S6E-082.27E-082.29E-083.PercentofLimit%*****Tritiuml.TotalReleaseCi7.98E+001.0SE+011.14E+Ol1.S0E+Ol4.49E+Ol2.Avg.DilutedCone.uCi/ml4.63E-OS8.83E-OS8.60E-OS1.16E-048.11E-OS3.PercentofLimit%*****DissolvedandEntrainedGasesl.TotalReleaseCiO.OOE+OO1.S2E-OS8.92E-062.73E-042.97E-042.Avg.DilutedCone.uCi/mlO.OOE+OO1.28E-106.72E-112.10E-09S.36E-103.PercentofLimit%*****GrossAlphaRadioactivity1.TotalReleaseCiO.OOE+OO9.16E-061.61E-OSO.OOE+OO2.S3E-OSVolumeofliquidwasteliters3.33E+061.94E+061.99E+062.17E+069.43E+06Volumeofdil.waterliters1.69E+081.l7E+081.31E+081.28E+08S.44E+08*Applicablelimitsareexpressedintermsofdose.SeetableIII.Aofthisreportenv-teciARERRO1 TABLE2BENTERGYOPERATIONS,INC.GRANDGULFNUCLEARSTATIONUNIT1RADIOACTIVEEFFLUENTANDWASTEDISPOSALANNUALREPORTLIQUIDEFFLUENTS-CONTINUOUSANDBATCHMODESREPORTFOR201SUnitsQTR1QTR2QTR3QTR4YEARFissionandActivationGasesAG-110MCi1.19E-OS1.71E-06O.OOE+OOO.OOE+OO1.36E-OSAS-76CiO.OOE+OOO.OOE+OOO.OOE+OO9.7SE-OS9.7SE-OSCO-S8CiO.OOE+OO1.44E-OSO.OOE+OO4.23E-OSS.67E-OSCO-60Ci1.16E-032.42E-041.74E-044.31E-042.01E-03CS-134CiO.OOE+OOS.73E-06O.OOE+OOO.OOE+OOS.73E-06CS-137CiS.93E-06S.06E-OSO.OOE+OO1.11E-041.68E-04FE-SSCi6.16E-041.77E-03O.OOE+OOO.OOE+OO2.39E-03LA-140Ci8.06E-OSO.OOE+OOO.OOE+OOO.OOE+OO8.06E-OSMN-S4Ci8.00E-OS4.90E-OS3.31E-OS1.61E-043.23E-04NA-24CiO.OOE+OO4.73E-OSO.OOE+OOO.OOE+OO4.73E-OSPT-19SMCi1.4SE-OSO.OOE+OOO.OOE+OOO.OOE+OO1.4SE-OSRB-88Ci1.14E-044.44E-044.S1E-031.71E-036.79E-03RU-106CiO.OOE+OO2.80E-OSO.OOE+OO1.87E-042.1SE-04SE-7SCiO.OOE+OOO.OOE+OOO.OOE+OO9.48E-069.48E-06ZN-6SCi1.7SE-041.09E-04O.OOE+OO1.84E-044.69E-04----------------------------------------TotalsforPeriod...Ci2.26E-032.76E-034.72E-032.94E-031.27E-02TritiumH-3Ci7.98E+001.0SE+011.14E+011.S0E+014.49E+01----------------------------------------TotalsforPeriod...Ci7.98E+001.0SE+011.14E+011.S0E+014.49E+01DissolvedandEntrainedGasesXE-133CiO.OOE+OO8.43E-068.92E-061.17E-041.3SE-04XE-13SCiO.OOE+OO6.77E-06O.OOE+OO1.SSE-041.62E-04----------------------------------------TotalsforPeriod...CiO.OOE+OO1.S2E-OS8.92E-062.73E-042.97E-04GrossAlphaRadioactivityALPHACiO.OOE+OO9.16E-061.61E-OSO.OOE+OO2.S3E-OS----------------------------------------TotalsforPeriod...CiO.OOE+OO9.16E-061.61E-OSO.OOE+OO2.S3E-OSenv-teciARERR01 TABLE2CENTERGYOPERATIONS,INC.GRANDGULFNUCLEARSTATIONUNIT1RADIOACTIVEEFFLUENTANDWASTEDISPOSALANNUALREPORTRADIOACTIVELIQUIDWASTESAMPLINGANDANALYSISPROGRAMJANUARY-DECEMBER2015LowerLimitSamplingMinimumAnalysisTypeofActivityAnalysisofDetectionLiquidReleaseTypeFrequencyFrequency(LLD)(uCi/ml)(a)A.BatchWasteReleasePriortoReleasePriortoReleasePrincipalGamma5x10*7Tanks(c)EachBatchEachBatchEmitters(d)1X10.61-131PriortoReleaseDissolvedandEntrained31DaysGases(Gamma1x10.5OneBatch1MEmitters)PriortoRelease31DaysH-31x10.5EachBatchComposite(b)GrossAlpha1x10.1PriortoRelease92DaysCompositeSr-89.Sr-905x10*8EachBatch(b)Fe-551x10.6B.SSWBasinPriortoReleasePriortoReleasePrincipalGamma5x10*7(BeforeBlowdown)EachBlowdownEachBatchEmitters(d)1x10.61-131NOTE:FootnotesindicatedarelistedinGGNSODCM,AppendixA,Table6.11.1-1.env*teclARERR01 TABLE3ENTERGYOPERATIONS,INC.GRANDGULFNUCLEARSTATIONUNIT1RADIOACTIVEEFFLUENTANDWASTEDISPOSALANNUALREPORTSOLIDRADIOACTIVEWASTEANDIRRADIATEDFUELSHIPMENTSJANUARY-DECEMBER2015A.SOLIDWASTESHIPPEDOFFSITEFORBURIALORDISPOSAL(NOTIRRADIATEDFUEL)1.TypeofWasteUnitClassAClassBClassCEst.TotalError%a.Spentresins,filtersludges,m31.36E+025.72E+00O.OOE+OO+/-25%evaporatorbottoms,etc.Ci1.33E+035.87E+02O.OOE+OOb.Drycompressiblewaste,m37.17E+02O.OOE+OOO.OOE+OO+/-25%contaminatedequipment,etc.Ci1.58E-01O.OOE+OOO.OOE+OOc.Irradiatedcomponents,controlm3O.OOE+OOO.OOE+OOO.OOE+OO+/-25%rods,etc.CiO.OOE+OOO.OOE+OOO.OOE+OOd.Other:CondensatePre-Coatm31.80E+01O.OOE+OOO.OOE+OO+/-25%SeptaBundleCi3.49E-02O.OOE+OOO.OOE+OO2.EstimateofMajorNuclideComposition(bytypeofwaste)a.Spentresins,filtersludges,evaporatorbottoms,etc.Isotope(greaterthan0.1%)PercentCuriesMn-547.471.43E+02Fe-5562.201.19E+03Co-581.052.00E+01Co-6018.763.59E+02Ni-630.427.98E+00Zn-659.201.76E+02Ag-110m0.458.58E+00Cs-1370.254.71E+OOenv-teciARERR01 TABLE3ENTERGYOPERATIONS,INC.GRANDGULFNUCLEARSTATIONUNIT1RADIOACTIVEEFFLUENTANDWASTEDISPOSALANNUALREPORTSOLIDRADIOACTIVEWASTEANDIRRADIATEDFUELSHIPMENTSJANUARY-DECEMBER2015b.Drycompressiblewaste,contaminatedequipment,etc.Isotope(qreaterthan0.10/0)PercentCuriesH-30.416.34E-04Mn-5419.863.10E-02Fe-5513.452.10E-02Fe-590.741.16E-03Co-580.487.47E-04Co-6043.566.80E-02Ni-630.507.85E-04Zn-652.724.24E-03Zr-955.057.88E-03Nb-958.781.37E-02Tc-990.477.29E-04Ag-110m1.502.34E-03Sn-1130.304.61E-04Cs-1371.251.95E-03Ce-1440.971.51E-03c.Irradiatedcomponents,controlrods,etc.Therewerenonein2015.d.Other:OilDrumSealandIsotope(createrthan0.10/0)PercentCuriesH-30.391.38E-04Mn-5419.666.88E-03Fe-5513.094.58E-03Fe-590.812.83E-04Co-580.501.75E-04Co-6042.291.48E-02Ni-630.491.70E-04Zn-652.699.41E-04Zr-955.712.00E-03Nb-959.973.49E-03Tc-990.451.58E-04AQ-110m1.485.19E-04Sn-1130.301.05E-04Cs-1371.214.25E-04Ce-1440.893.12E-04env-teclARERR01 TABLE3ENTERGYOPERATIONS,INC.GRANDGULFNUCLEARSTATIONUNIT1RADIOACTIVEEFFLUENTANDWASTEDISPOSALANNUALREPORTSOLIDRADIOACTIVEWASTEANDIRRADIATEDFUELSHIPMENTSJANUARY-DECEMBER2015(Cont.)3.SolidWasteDispositionNumberofDestinationNameCityStateModeofShipmentsTransportation33EnergySolutions(BearCreek),LLCOakRidgeTNHittman4EnergySolutionsOakRidgeTNHittmanGallaherRoadFacility1EnergySolutionsLLC.CliveUTHittmanContainerizedWasteFacility8BabcockServices,Inc.OakRidgeTNHittmanNRCDisposalDescriptionNumberofWasteTypeDescriptionClassVolume(ft/\3)ContainersB120.38/120HIC6PolyHIC-RWCU-AA205.8215liner16CarbonSteelLiner-SRTA90B-2524Metal/DAWA118020'SEALAND24DAW/GIC/OilA199.4ES-21014StainlessSteelLiner(solidification)CPS/RWCU-BB.IrradiatedFuelShipments(Disposition)NUMBEROFSHIPMENTSMODEOFTRANSPORTATIONDESTINATIONINoneIN/AIN/AIenv-teciARERR01 ATTACHMENTINuclearEnergyInstitute,NEI,GroundwaterProtectionInitiativeSampleResultsJANUARY-DECEMBER2015GPIGroundWatersamplesarecollectedfromonsitedewateringwells,OW;monitoringwells,MW;observationwells,OW;andsumpwells,SW.Sampleswereanalyzedfortritiumandselectedsampleswereanalyzedforgammaand/orhardtodetect(HTD)isotopes(GrossAlpha,Iron-55,Nickel-63,Strontium-89andStrontium-90).AnalysesaretotheLowerLevelofDetection(LLD)valuesfortheGGNSRadiologicalEnvironmentalMonitoringProgram.NodosetothepublicisattributedtogroundwatersincewellswithresultsaboveMDAareboundedbywellswhichare<MDA.Tritium,gammaandHTDresultsareshowninthetablebelow.AllresultswerelessthanReportingLevelsofGGNS-ODCMtable6.12.1-2.LOCATIONDATETRITIUM(pCi/L)GAMMA(pCi/L)DW-0102/26/153940<MDADW-01DUP02/26/153360<MDADW-0106/03/159960<MDADW-01DUP06/03/158770<MDADW-0108/26/157250<MDADW-0112/10/153970<MDADW-01RECOUNT12/10/153740DW-0201/13/15<422<MDADW-0202/25/15<493<MDADW-0203/17/15<302<MDADW-0204/21/15<507<MDADW-02OS/20/15<592<MDADW-0206/03/15<586<MDADW-02DUP06/03/15<582<MDADW-0207/14/151100<MDADW-02RECOUNT07/14/15832DW-02REANALYSIS07/14/15892DW-0208/25/151440<MDADW-02DUP08/25/151290<MDADW-0209/22/151630<MDADW-0210/12/151100<MDADW-02DUP10/12/15989<MDADW-0211/11/15762<MDADW-0212/09/15<531<MDADW-0301/13/15644<MDADW-0302/26/151140<MDAenv-teclARERR01 env-teciARERRO1LOCATIONDATETRITIUM(pCi/L)GAMMA(pCi/L)OW-0303/17/15596<MOAOW-0304/21/15<506<MOAOW-030UP04/21/15656<MOAOW-03OS/20/15822<MOAOW-0306/03/15925<MOAOW-0307/14/15711<MOAOW-0308/26/15546<MOAOW-0309/22/151080<MOAOW-030UP09/22/15652<MOAOW-0310/12/15658<MOAOW-0311/11/15<538<MOAOW-0312/09/151050<MOAOW-03RECOUNT12/09/151210OW-0401/13/15774<MOAOW-040UP01/13/15666<MOAOW-0402/25/151060<MOAOW-0403/17/15677<MOAOW-0404/21/15531<MOAOW-04OS/20/15673<MOAOW-0406/03/15745<MOAOW-0407/14/15571<MOAOW-0408/26/15731<MOAOW-0409/23/15716<MOAOW-0410/12/15933<MOAOW-0411/10/151250<MOAOW-0412/09/15707<MOAOW-04RECOUNT12/09/15868OW-0501/13/15<419<MOAOW-0502/25/15<491<MOAOW-0503/17/15<304<MOAOW-0504/21/15<509<MOAOW-05OS/20/15<584<MOAOW-0506/03/15<587<MOAOW-0507/14/15<354<MOAOW-0508/26/15<525<MOADW-0509/22/15<411<MOAOW-0510/12/15<394<MOAOW-0511/11/15<542<MOADW-0512/09/15<538<MOAOW-050UP12/09/15<541<MOA env-teciARERR01LOCATIONDATETRITIUM(pCi/L)GAMMA(pCi/L)OW-0702/27/154270<MOAOW-0706/04/154370<MOAOW-0708/25/153610<MOAOW-0712/08/153180<MOAMW-0101/13/15<426<MOAMW-0102/25/15<489<MOAMW-0103/17/15<485<MOAMW-010UP03/17/15<491<MOAMW-0104/21/15<483<MOAMW-01OS/20/15<583<MOAMW-010UPOS/20/15<591<MOAMW-0106/03/15<578<MOAMW-0107/14/15<581<MOAMW-0108/25/15523<MOAMW-01REANALYSIS08/25/15528MW-0109/22/15888<MOAMW-0110/12/15741<MOAMW-0111/11/151010<MOAMW-0112/10/15894<MOAMW-010UP12/10/15982<MOAMW-0401/13/15<423<MOAMW-0402/26/15<520<MOAMW-0403/17/15<305<MOAMW-0404/21/15<498<MOAMW-04OS/20/15<592<MOAMW-0406/03/15<588<MOAMW-0407/14/15<353<MOAMW-040UP07/14/15<351<MOAMW-0408/26/15<517<MOAMW-0409/22/15<399<MOAMW-0410/12/15<392<MOAMW-0411/10/15<538<MOAMW-040UP11/10/15<527<MOAMW-0412/09/15<550<MOAMW-0501/14/15<432<MOAMW-0502/27/15<515<MOAMW-0503/17/15409<MOAMW-05RECOUNT03/17/15551MW-05REANALYSIS03/17/15513MW-0504/21/15<504<MOAMW-05OS/20/15<596<MOA LOCATIONDATETRITIUM(pCi/L)GAMMA(pCi/L)MW-0506/05/15<587<MDAMW-0507/14/15<356<MDAMW-0508/26/15<515<MDAMW-0509/23/15<403<MDAMW-0510/13/15<395<MDAMW-0511/13/15<533<MDAMW-0512/10/15<553<MDAMW-0608/26/151520<MDAMW-06RECOUNT08/26/151770MW-0612/10/151090<MDAMW-100B08/26/15<515<MDAMW-101B02/25/15<527<MDAMW-101B06/09/15<568<MDAMW-101BDUP06/09/15<571<MDAMW-101B08/26/15<515<MDAMW-101B12/09/15<550<MDAMW-102B08/26/15<519<MDAMW-103B08/25/15<525<MDAMW-104B08/25/15<521<MDAMW-105B02/25/15<584<MDAMW-105B06/09/15625<MDAMW-105B08/25/15<517<MDAMW-105B12/09/15<546<MDAMW-105BDUP12/09/15<548<MDAMW-106B02/25/15<521<MDAMW-106B06/09/15<577<MDAMW-106B08/26/15<506<MDAMW-106BDUP08/26/15<548<MDAMW-106B12/10/15<539<MDAMW-107B02/27/151210<MDAMW-107B06/04/151280<MDAMW-107B08/25/151570<MDAMW-107B12/08/151880<MDAenv-teciARERR01 env-teciARERRO1LOCATIONDATETRITIUM(pCi/L)GAMMA(pCi/L)MW-108B02/26/152730<MDAMW-108B06/04/151830<MDAMW-108B08/25/15978<MDAMW-108B12/09/151720<MDAMW-108BRECOUNT12/09/151560MW-109B02/27/15704<MDAMW-109B06/04/15856<MDAMW-109B08/26/15<519<MDAMW-109B12/09/15<546<MDAMW-110B02/24/15<527<MDAMW-110B06/09/15<580<MDAMW-110B08/25/15<523<MDAMW-110B12/08/15<550<MDAMW-111B02/26/152110<MDAMW-111B06/04/151460<MDAMW-111B08/26/151450<MDAMW-111B12/10/151150<MDAMW-112B01/14/15<421<MDAMW-112B02/26/15<524<MDAMW-112B03/17/15<298<MDAMW-112B04/21/15<508<MDAMW-112BOS/20/15<600<MDAMW-112B06/03/15<587<MDAMW-112B07/14/15<355<MDAMW-112B08/26/15<507<MDAMW-112B09/23/15<395<MDAMW-112B10/12/15<396<MDAMW-112B11/13/15<530<MDAMW-112B12/10/15<530<MDAMW-113B01/15/15<420<MDAMW-113B02/26/15<492<MDAMW-113BDUP02/26/15<490<MDAMW-113B03/17/15<303<MDAMW-113B04/20/15<502<MDAMW-113BDUP04/20/15<496<MDAMW-113B05/19/15<585<MDAMW-113B05/19/15<585<MDAMW-113B06/09/15<571<MDAMW-113B07/13/15<572<MDA env-tec/ARERR01LOCATIONDATETRITIUM(pCi/L)GAMMA(pCi/L)MW-113808/26/15<519<MDAMW-113809/23/15<404<MDAMW-113810/13/15<391<MDAMW-113811/09/15<543<MDAMW-113812/08/15<548<MDAMW-114802/26/152680<MDAMW-114806/08/152940<MDAMW-114808/26/153220<MDAMW-114812/09/152370<MDAMW-115802/26/15586<MDAMW-115806/04/152990<MDAMW-1158RECOUNT06/04/153720MW-1158REANALYSIS06/04/152900MW-115808/26/151710<MDAMW-115812/10/151980<MDAMW-116802/26/15<524<MDAMW-116806/04/15<571<MDAMW-116808/26/15<529<MDAMW-1168DUP08/26/15<511<MDAMW-116812/10/15<554<MDAMW-118802/26/15854<MDAMW-118806/04/15<565<MDAMW-118808/26/15991<MDAMW-1188REANALYSIS08/26/15896MW-118812/10/15<548<MDAMW-119802/25/15<522<MDAMW-119806/09/15<576<MDAMW-119808/26/15<524<MDAMW-120802/25/15<533<MDAMW-120808/26/15<516<MDAMW-12102/24/15<505<MDAMW-121806/09/15<566<MDAMW-121808/25/15<517<MDAMW-122811/24/15<524<MDAMW-122812/09/15675<MDA env-teclARERR01LOCATIONDATETRITIUM(pCi/L)GAMMA(pCi/L)MW-1228RECOUNT12/09/15663MW-1228REANALYSIS12/09/15583MW-123811/24/15<524<MDAMW-123812/09/15<548<MDAMW-1007C09/01/15<513<MDAMW-1009C09/01/15<513<MDAMW-1012C09/01/15<517<MDAMW-1016801/12/15<436<MDAMW-1016802/26/15<486<MDAMW-10168DUP02/26/15<500<MDAMW-1016803/16/15<301<MDAMW-10168DUP03/16/15<298<MDAMW-1016804/20/15<507<MDAMW-1016805/19/15<596<MDAMW-1016806/10/15<570<MDAMW-10168DUP06/10/15<570<MDAMW-1016807/13/15<353<MDAMW-10168DUP07/13/15<361<MDAMW-1020C09/02/15<508<MDAMW-1023801/14/15<426<MDAMW-1023802/26/15<477<MDAMW-1023803/16/15<301<MDAMW-1023804/20/15<506<MDAMW-1023805/19/15<599<MDAMW-1023806/10/15<575<MDAMW-1023807/15/15<350<MDAMW-1024C09/01/15<512<MDAMW-1024CDUP09/01/15<506<MDAMW-1027A02/27/15<567<MDAMW-1027A06/09/15<585<MDAMW-1027801/12/15<426<MDAMW-1027802/27/15<529<MDAMW-1027803/18/15<291<MDAMW-1027804/22/15<501<MDA LOCATIONDATETRITIUM(pCi/L)GAMMA(pCi/L)MW-1027BOS/21/15<590<MDAMW-1027B06/10/15<565<MDAMW-1027C09/02/15<514<MDAMW-1042C08/26/15<523<MDAMW-1082C08/26/15<522<MDAMW-1134C09/02/15<510<MDAOW-110801/15/15<419<MDAOW-1108DUP01/15/15<420<MDAOW-110802/27/15<522<MDAOW-110803/17/15<294<MDAOW-110804/22/15<505<MDAOW-110805/19/15<588<MDAOW-110806/10/15<576<MDAOW-110807/15/15<348<MDASW-103A02/27/15<536<MDASW-103A06/10/15<579<MDASW-103B08/25/15<517<MDASW-103BDUP08/25/15<515<MDASW-103B12/09/15<530<MDA<MDA-LessthanMinimumDetectableActivityDUP-DuplicatesamplecollectedandanalyzedRECOUNT-Re-performedsamesamplecountREANALYSIS-Re-performedsamesampleanalysisandcountingenv-tedARERR01 ATTACHMENTIITABLE6AENTERGYOPERATIONS,INC.GRANDGULFNUCLEARSTATIONUNIT1RADIOACTIVEEFFLUENTANDWASTEDISPOSALANNUALREPORTSUPPLEMENTALINFORMATIONJANUARY-DECEMBER20155.EffluentMonitorInstrumentOperabilityDuringtheclosurereviewofacompletedworkorder,thesitediscoveredoneofthestepsrequiredforrestorationoftheOffgasPostTreatmentRadiationMonitor(1017-J013)tooperablestatuswasnotcompleted.Specifically,thefailuretoreconnectaterminalleadpreviouslyremovedduringtestinghaddisabledthemonitor'sautomaticisolationfunctionofthetreatmentstreamduringalarmconditions.ThegrabsamplingoftheprocessstreamwasterminatedwhentheLimitingConditionofOperation(LCO)forthemonitorworkwasimproperlyexited.Consequently,thesitefailedtomeetthesamplingrequirementsofODCM6.3.10(RadioactiveGaseousEffluentMonitoringInstrumentation)foraperiodof4days,9hours.Duringthisperiod,themonitorprovidedcontinuousandaccuratemeasurementoftheprocessstreamandthecontrolroomalarmwasfunctional,withnoalarmsreceived.Whentheerrorwasidentified,theLCOwasre-enteredandgrabsamplingoftheprocessstreamwasinitiateduntilthedisconnectedleadwasre-connectedandthemonitorreturnedtooperablestatus.Therewerenounmonitoredgaseouseffluentreleasestotheenvironmentduringthisperiod.TheOffgastreatmentsystemdischargestotheRadwasteBuildingventilationsystem,withmonitoringprovidedbytheRadwasteBuildingVentRadiationMonitorpriortoreleasetotheenvironment.TheincidentisdocumentedinConditionReportCR-GGN-2015-1631,andisrequiredbyODCM6.3.10stepH.2tobeincludedintheAnnualRadioactiveEffluentReleaseReport.Thesitefailedtoincludethisincidentintheinitial2015ARERRfiling.ThisomissioniscorrectedbytheadditionofTable6A-SupplementalInformation,whichisincludedinitsentiretyasAttachmentIItotherevised2015ARERR.env-teciARERRO1