ULNRC-05784, Submittal of 2010 Radiological Effluent Release Report

Submittal of 2010 Radiological Effluent Release Report

ML111220117
Person / Time
Site:	Callaway
Issue date:	04/29/2011
From:	Graessle L Ameren Missouri
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
ULNRC-05784
Download: ML111220117 (43)

Text

WAmeren MISSOURI Callaway Plant ..................................................................................................................................................................................................................................................

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April 29, 2011 ULNRC-05784 u.s. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555-0001 Ladies and Gentlemen:

40 CFR 190 DOCKET NUMBER 50-483 CALLA WAY PLANT UNIT 1 UNION ELECTRIC CO. FACILITY OPERATING LICENSE NPF-30 2010 RADIOLOGICAL EFFLUENT RELEASE REPORT Please find enclosed the 2010 Radiological Effiuent Release Report for Callaway Plant. This report is submitted in accordance with Section 5.6.3 of the Callaway Plant Technical Specifications.

This letter does not contain new commitments.

If there are any questions, please contact us. ACS/nls

Enclosure:

2010 Radiological Effiuent Release Report .........................................................................................................................

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Sincerely, Luke H. Graessle Director, Operations Support PO Box 620 Fulton, MO 65251 AmerenMissouri.com ULNRC-05784 April 29, 2011 Page 2 cc: Mr. Elmo E. Collins, Jr. Regional Administrator U.S. Nuclear Regulatory Commission Region IV 612 E. Lamar Blvd., Suite 400 Arlington, TX 76011-4125 Senior Resident Inspector Callaway Resident Office U. S. Nuclear Regulatory Commission 8201 NRC Road Steedman, MO 65077 Mr. Mohan C. Thadani (2 copies) Senior Project Manager, Callaway Plant Office of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission Mail Stop 0-8G 14 Washington, DC 20555-2738 Mr. James Polickoski Project Manager, Callaway Plant Office of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission Mail Stop O-SB 1 A Washington, DC 20555-2738 ULNRC-05784 29 April 2011 Page 3 Index and send hardcopy to QA File A160.0761 Hardcopy:

Certrec Corporation 4200 South Hulen, Suite 630 Fort Worth, TX 76109 (Certrec receives ALL attachments as long as they are non-safeguards and may be publicly disclosed.)

Electronic distribution for the following can be made via Responses and Reports ULNRC Distribution:

A. C. Heflin F. M. Diya C. O. Reasoner III L. S. Sandbothe S. M. Maglio T. B. Elwood S. L. Gallagher T. L. Woodward (NSRB) Mr. Paul Parmenter, Director (SEMA) Mr. Thomas Mohr, Senior REP Planner (SEMA) Mr. John Campbell, REP Planner (SEMA) Ms. Diane M. Hooper (WCNOC) Mr. Tim Hope (Luminant Power) Mr. Ron Barnes (APS) Mr. Tom Baldwin (pG&E) Mr. Wayne Harrison (STPNOC) Ms. Linda Conklin (SCE) Mr. John O'Neill (pillsbury Winthrop Shaw Pittman LLP) Mr. Dru Buntin (DNR) 0FacilityOperatingLicenseNPF 30DocketNumber50 483 1

TheRadioactiveEffluentReleaseReportcoverstheoperationoftheunitduringtheyear2010.Thereportincludesasummaryofthequantitiesofradioactiveliquidandgaseouseffluentsandsolidwastereleasedfromtheunit.ThereportalsoincludesanannualsummaryofhourlymeteorologicaldatacollectedduringtheyearandanassessmentofradiationdosetotheMemberofth epublicfromliquidandgaseouseffluents.FacilityOperatingLicenseNPF 30DocketNo.50 483 ThisAnnualRadioactiveEffluentReleaseReport(ARERR)issubmittedbyUnionElectricCo.,dbaAmerenMissouri,inaccordancewiththerequirementsof10CFR50.36aandCallawayPlantTechnicalSpecification5.6.3.ThisreportisfortheperiodJanuary1,2010toDecember31,2010.ThedosetotheMemberofthePublicfromallliquidan dgaseouseffluentsdischargedduringthereportingperiodweresmallfractionsoftheNRCan dEPAregulatorylimitsandtheRadiologicalEffluentControllimitsintheOffsiteDoseCalculationManual.Tomaximizeconsistency,aidinthereviewbyMembersofthePublic,andtoalloweasierindustrywidecomparisonofthedata,thisreportispresentedintheformatr e commendedbyRegulatoryGuide1.21,revision2,insofarasispracticable

.Callawayiscommittedtorevision1ofRegulatoryGuide1.21,andsomeoftheinformationisnotreadilyavailableintheformatrecommendedbyrevision2.

2 ThequantityofradioactivematerialreleasedingaseouseffluentsduringthereportingperiodissummarizedinTableA 1.ThequarterlyandannualsumsofallradionuclidesdischargedingaseouseffluentsarereportedinTablesA 1AandA 1B.Allgaseouseffluentreleasesareconsideredtobegroundlevel.14 Chasbeenaddedtothegaseouseffluenttables.BasedonnewNuclearRegulatoryCommissionguidance,beginningwiththe2010report,allU.S.nuclearpowerplantswillinclude14 CdosesintheirARERR.14 Cisanaturallyoccurringisotopeofcarbon.Itisproducedcontinuouslybycosmicrayinteractionwithoxygenandnitrogenintheupperatmosphere.Carbondating,using14 C,isaveryreliabletoolindatingoforganicmatterupto30,000yearsold.14 Cisalsoabyproductofnuclearweaponstestingandnuclearpowergeneration.Nuclearweaponstestinginthe1950sand1960ssignificantlyincreasedtheamountof14 Cintheatmosphere.Theamountof14 Cproducedbynuclearpowergenerationismuchlessthanthatproducednaturallyorfromweaponstesting.1Thelevelof14 Cdischargedingaseouseffluentshasnotincreased.Improvementsinnuclearpowerplantoperationhavesignificantlyreducedtheoverallquantityofradioactivityreleasedinplanteffluents.Oneconsequenceofthissuccessisthatformostnuclearplants14 CmaynowbeaprinciplenuclideasdefinedinRegulatoryGuide1.21,revision2,andassuchmustbereportedintheARERR.Theradiationdosetothepublicfromallradionuclides,including14 C,continuestobeasmallfractionoftheregulatorylimits.Theamountof14 CreleasedingaseouseffluentswascalculatedasdescribedinEPRITechnicalReport1021106 2andisdocumentedinHPCI1102.3 ThequantityofradioactivematerialreleasedinliquideffluentsduringthereportingperiodissummarizedinTableA 2.ThequarterlyandannualsumsofallradionuclidesdischargedinliquideffluentsarereportedinTableA 2A.Allliquideffluentsweredischargedinbatchmode;therewerenocontinuousliquiddischargesforthereportingperiod.DilutionbytheMissouriRiver,intheformofthenearfielddilutionfactor,isutilizedintheODCMdosecalculationmethodology.1Measuring,Evaluating,andReportingRadioactiveMaterialinLiquidandGaseousEffluentsandSolidWaste ,RegulatoryGuide1.21,revision2,section1.9,USNRC,June,2009..2EstimationofCarbon14inNuclearPowerPlantGaseousEffluents ,TechnicalReport1011106,ElectricPowerResearchInstitute,December,2010.3HPCI1102,"DosetotheMemberofthePublicfromtheReleaseof14 CGaseousEffluentsfor2010".

3 ThevolumeandactivityofsolidwasteshippedfordisposalisprovidedinTableA 3.TableA 3ispresentedintheformatofrev.1toRegulatoryGuide1.21becausethedataisnotreadilyavailableintheformatrecommendedbyrev.2toRegulatoryGuide1.21.TheannualevaluationofdosetotheMemberofthePubliciscalculatedinaccordancewiththemethodologyandparametersintheODCMandisreportedinTablesA 4andA 5.ThedoseassessmentsreportedinTableA 4werecalculatedusingthemethodologyandparametersintheODCManddemonstratecompliancewith10CFR50,AppendixI.ThegammaairdoseandbetaairdosewerecalculatedatthenearestSiteBoundarylocationwiththehighestvalueofX/Q,asdescribedintheODCM.Themaximumorgandosefromgaseouseffluentswascalculatedfortheingestion,inhalation,andgroundplan epathwaysatthelocationofthenearestresidentwiththehighestvalueofD/Q,asdescribedintheODCM.Theorgandoseincludesthedosefrom14 C.ThedoseassessmentsreportedinTableA 5arethedosestotheMemberofthePublicfromactivitieswithintheSiteBoundary.AlargeportionoftheresiduallandoftheCallawaySiteismanagedbytheStateofMissouriConservationDepartmentastheReformWildlifeManagementArea.AsdescribedintheODCM,thedosefromgaseouseffluents,plusthedosecontributionfromdirectradi ationsources ,includingdosefromoutdoorwaterstoragetanks,directdosedueto16 Nfromoperationoftheunit,andorgandosefrom14 C.ThedoseassessmentsinTableA 5demonstratecompliancewith10CFR20.1301(e)and40CFR190.

Therewerenoabnormalreleasesorabnormaldischargesduringthereportingperiod.Therewerenononroutineplanneddischargesduringthereportingperiod.

Modification060102installeddiaphragmsintheReactorwaterHoldupTanks(RHUTs).Thediaphragmsallowdegassingofthewater.ThefissionproductgasisstoredintheWasteGasDecayTanks(WGDTs)forholduppriortodischarge.Thischangeshouldreducethequantityofnoblegasesdischargedingaseouseffluents.

4Therewerenoothermajorchangestotheliquidorgaseousradwastetreatmentsystemduringthereportingperiod.Theevaluationofthe2010LandUseCensusisdocumentedinHPCI10 03.TherewerenochangesinthelocationofthenearestresidentorthelocationofthenearestvegetablegardenwiththehighestvalueofD/Q.TherewerenomilksampleprovidersidentifiedandtheCallawayPlantcontinuestosamplegreenleafyvegetationinlieuofmilk.Therewerenochangesinthegreenleafyvegetationsamplelocations.SpecificationscoveringtheLimitingConditionsofOperations(LCO)foreffluentmonitoringinstrumentationareprovidedinRadiologicalEffluentControl(REC)16.11.1.3and16.11.2.4.TheACTIONstatementimplementsprovisionsthatwhentakenasspecifiedcompleterequirementstodemonstratefunctionality.WhentherequiredACTIONisnotmet,theequipmentisremovedfromserviceordeclarednonfunctional.Thisreportprovidesexplanati o nforperiodsoftimewheninoperabilityoccurred.GHRE0010B ,RadwasteBuildingWideRangeGaseousEffluentsMonitor,NotFunctionalforMorethan30DaysOn12/23/2009,aninstrumentloopcalibrationwascompletedforthewiderangeRadwasteBuildingventilationmonitor,GHRE0010B.Thechecksourcefunctionedsatisfactorilyforthelowrangedetector,themidrangedetector,andthehighrangedetector.However,whenthecalibrationwascompletedthehighrangedetectorchannelwouldnotreturnfrombluestatustogreenstatus(bluestatusmeansanoperatefailurealarmonthechannel).ThisresultedinaconditionwherethemonitorwascorrectlyperformingitsindicationandODCMsamplingforthelowandmidrangechannels,butthehighrangechannelcouldnotbeconfirmedfunctional.FollowingareviewbytheE ngineeringDepartmentandtheControlRoom,GHRE0010Bwasreturnedtoserviceon12/23/2009withthehighrangechannelstillinoperatefailurestatus.Thelowrangechannelwasoperatingnormally.ItwasthoughtthattheODCMsetpointprovidingalarmandisolationwasintherangeofthelowrangechannel,thereforethemonitormettheoperabilityrequirementsofREC16.11.2.4withoutafunctio nalhighrangechannel.Thisreflectsabasicmisunderstandingofthemonitordesign:TheODCMsetpointandthealarmandisolationfunctionsareprovidedbytheeffluentchannel,notthedetectorchannels.Analgorithmisusedtodeterminewhichchannellow,mid,orhighrangeprovidestheinputtotheeffluentchannel.Ane wworkrequest,job09008605wascreatedtotroubleshoottheoperatefailureconditiononthehighrangechannelalongwithacorrectiveactionrequest(CAR200910504)todocumentthestatus.MonitorGHRE0010BoperatedinthisconditionuntilMarch5,20 10,whenthevendor'sanalysisofcertainpar ametersindicatedtheoperatefailurestatusonthehighrangechannelwasdueto 5timingissueswhichaffectedthealgorithmusedtodeterminewhichchannelprovidestheinputtotheeffluentchannel.ThisresultedinCAR201001963toevaluatefunctionalityofGHRE0010B.AlthoughGHRE0010BwascorrectlymonitoringinaccordancewithREC16.11.5.2,GHRE0010Bwasdeclarednonfunctionalbecauseitwasnotcertainthatthealgorithmwouldalwaysselectthecorrectdetectorforinputtotheeffluentschannel.Underonsitedirectionbythevendor,th emonitordatabasewasresetandanewhighrangechannelchecksourcewasinstalled.ThehighrangechannelwassubsequentlyreturnedtonormalandthemonitorwasreturnedtofunctionalstatusonMarch18 ,2010.Arevi ewofthedatafortheeffluentschannelfrom12/23/20093/18/2010indicatesthemonitoroutputwasstableduringthattimeperiodandtherearenoindicationsthealgorithmselectedthewrongchannelforinputtotheeffluentchannel.HBLT2004,DischargeMonitoringTankALevelTransmitter,NotFunctionalforMorethan30DaysOnJuly21,2010,duringsurveillancetestingofHBLT2004,itwasnotedthattheasfoundconditionwasnotwithincalibrationforthelowertripandrestvalues.Theunitwasslowtorespondwhichisindicativeofaproblemwiththesensingbellows.Thisconclusionwassupportedbysludgefluidpresentwhentheplugwasremovedatatestconnection.HBLT20 04wasdeclarednonfunctionalandenteredintotheEquipmentOutofServiceLog(EOSL).TheEOSLentrycorrectlystatedthattherewasa30daylimitontheACTIONstatement.Therewasadesignchangealreadyplannedandajobwrittentoreplacethewholetransmitter.RepairofHBLT2004wastie dtothatjob.PursuanttoACTION33,alternatemethodswereimplementedtoallowdischargestocontinue.ThereisnotimelimitstatedinACTION33,howeverREC16.11.1.3,ACTIONbstatesthatreleasescancontinuefor30daysprovidedtheACTIONistaken.ThejobforreplacingthewholetransmitterwasplannedforSeptember30 ,2010.Thoseresponsibleforplanningtheworkdidnotunderstandatthetimethatthereisa30daylimitontheACTIONstatement.OnAugust18,2010,CAR201007873waswrittenstatingthatHBLT2004exceededthe30daylimitstatedinREC16.11.1.3,ACTIONb.HBLT2004wasreturnedtofunctionalstatusonSeptember30 ,2010.TherewerenochangestotheOffsiteDoseCalculationManualduringthereportingperiod.AdministrativechangesweremadetoAPA ZZ01011,"ProcessControlProgram"duetoorganizationalrealignment.TherewerenosubstantivechangestotheProcessControlProgramduringthereportingperiod.

6Correctionstothe2008and2009AnnualRadiologicalEffluentReleaseReportsareprovidedinAppendixCandAppendixD,respectively.Thesechangesarenecessarybecausethedosefrom63 Niingaseouseffluentswasnotincludedintheoriginalreports,althoughthequantityof63 Niwasproperlyreportedineachreport.MeteorologicalJointFrequencyTablesforthemonitoringperiodareattachedasAppendixB.

7 8SummationofAllReleasesUnitQuarter1Quarter2Quarter3Quarter4TotalEstimatedUncertainty(%)4Fission&ActivationGasesCi5.37E+11.09E+22.12E+07.74E 11.66E220AvgRelRateµCi/s6.91E+01.39E+12.67E 19.74E 25.29E0%ofLimit%N/AN/AN/AN/AN/A131IodineCi3.56E 77.04E 50.00E+00.00E+07.08E 523AvgRelRateµCi/s4.57E 88.95E 60.00E+00.00E+02.25E 6%ofLimit%N/AN/AN/AN/AN/AParticulatesCi1.06E 61.96E 51.68E 61.04E 62.34E 530AvgRelRateµCi/s1.37E 72.49E 62.12E 71.31E 77.43E 7%ofLimit%N/AN/AN/AN/AN/AGrossAlphaCi3.00E 73.17E 71.55E 76.84E 71.46E 63 HCi5.00E+01.08E+18.49E+09.21E+03.35E+114AvgRelRateµCi/s6.43E 11.37E+01.07E+01.16E+01.06E0%ofLimit%N/AN/AN/AN/AN/A14 C5Ci2.78E02.78E02.78E02.78E01.11E14SafetyAnalysiscalculation8706300,January6,1988514 CactivityisestimatedbasedonEPRIreportTR1021106,Estimationof14 CinNuclearPowerPlantEffluents ,December,2010.

9Fission&ActivationGasesUnitsQuarter1 Quarter2 Quarter3 Quarter4Totalfortheyear41 ArCi8.02E 23.92E 13.51E 21.23E 16.30E 1133 XeCi1.06E 12.24E09.35E 39.82E 22.45E0135 XeCi1.11E 31.15E 21.41E 31.09E 22.49E 285 KrCi1.73E00.00E05.53E 30.00E01.74E087 KrCi0.00E08.35E 30.00E00.00E08.35E 385m KrCi2.08E 50.00E03.71E 51.32E 57.11E 5133m XeCi0.00E00.00E00.00E01.35E 41.35E 4131m XeCi0.00E00.00E00.00E00.00E00.00E0Iodines&HalogensUnitsQuarter1 Quarter2 Quarter3 Quarter4Totalfortheyear131 ICi0.00E01.10E 50.00E00.00E01.10E 5132 ICi0.00E01.57E 50.00E00.00E01.57E 5ParticulatesUnitsQuarter1 Quarter2 Quarter3 Quarter4Totalfortheyear63 NiCi0.00E00.00E00.00E00.00E00.00E060 CoCi0.00E01.85E 56.44E 70.00E01.91E 53 HCi1.76E 12.05E07.86E0 1.80E 11.03E1 GrossCi0.00E0 0.00E00.00E00.00E00.00E014 CCi0.00E0 0.00E00.00E00.00E00.00E0 10 Fission&ActivationGasesUnitsQuarter1 Quarter2 Quarter3 Quarter4Totalfortheyear41 ArCi0.00E04.69E 10.00E00.00E04.69E 1133 XeCi5.07E+11.03E+21.73e04.30E 11.56E2135 XeCi1.03E06.81E 11.12E 11.41E 31.8285 KrCi0.00E00.00E00.00E00.00E00.00E087 KrCi3.85E 21.03E 10.00E00.00E01.42E 185m KrCi1.31E 24.83E 40.00E00.00E01.36E 2133m XeCi0.00E01.20E00.00E00.00E01.20E0131m XeCi0.00E01.57E00.00E00.00E01.57E0TotalCi5.18E11.07E22.07E05.41E 11.61E2Iodines&HalogensUnitsQuarter1 Quarter2 Quarter3 Quarter4Totalfortheyear131 ICi3.56E 75.94E 50.00E00.00E05.98E 5132 ICi0.00E01.92E 50.00E00.00E01.92E 5TotalCi3.56E 77.86E 50.00E00.00E07.90E 5ParticulatesUnitsQuarter1 Quarter2 Quarter3 Quarter4Totalfortheyear63 NiCi1.06E 61.08E 61.04E 61.04E 64.22E 660 CoCi0.00E00.00E00.00E00.00E00.00E0TotalCi3.00E 73.17E 71.04E 61.04E 63.04E 43 HCi4.82E08.74E07.86E0 1.80E 12.16E1 GrossCi3.00E 7 3.17E 7 1.55E 7 6.84E 71.46E 6 14 CCi2.78E02.78E02.78E02.78E01.11E1 11SummationofAllLiquidReleasesUnitsQuarter1Quarter2Quarter3Quarter4TotalEstimatedUncert.(%)6FissionandActivationProducts 7Ci7.69E 31.75E 11.90E 28.15E 32.01E 120A v gDilutedConcµCi/ml1.89E 84.39E 74.20E 83.92E 81.19E 7%ofLimit%N/AN/AN/AN/AN/A3 HCi8.55E22.16E21.03E18.16E11.16E314AvgDilutedConcµCi/ml2.10E 35.41E 42.28E 53.92E 46.61E 4%ofLimit%N/AN/AN/AN/AN/ADissolved&EntrainedGasesCi3.84E 17.60E 11.44E 42.57E 51.14E027AvgDilutedConcµCi/ml9.41E 71.90E 63.19E 101.23E 106.50E 7%ofLimit%N/AN/AN/AN/AN/AGrossCi7.42E 52.19E 41.06E 32.49E 41.60E 329A v gDilutedConcµCi/ml1.83E 105.50E 102.36E 91.20E 99.10E 10VolLiquidEffluent 8Liters9.31E61.17E71.48E76.21E64.20E7DilutionVolume 9Liters3.97E83.86E84.35E82.02E81.72E9Avgriverflow 10m 3/s329056004570242042006SafetyAnalysiscalculation8706300,January6,19887Excludes3 H,noblegases,andgrossalpha.8Primarysystemliquideffluentplussecondaryliquideffluent,priortodilution.9DoesnotincludeMissouriRiverdilution.10AverageMissouriRiverflowfortheyearattheHermann,MOmonitoringstationasreportedbytheUSGS.

12 Fission&ActivationProductsUnitsQuarter1Quarter2Quarter3Quarter4Totalfortheyear58 CoCi2.92E 05 4.37E 03 1.89E 04 1.24E 054.60E 03 60 CoCi2.65E 04 2.08E 03 3.75E 04 5.24E 052.77E 03 134 CsCi2.79E 04 2.44E 04 4.04E 05 4.07E 056.04E 04 137 CsCi1.47E 03 1.26E 03 2.73E 04 2.64E 043.27E 03 63 NiCi1.67E 03 1.52E 03 2.37E 03 8.22E 046.38E 03 125 SbCi3.95E 03 1.31E 01 1.40E 02 6.52E 031.55E 01 124 SbCi6.99E 06 1.79E 02 1.22E 03 3.14E 041.94E 02 91mYCi3.04E 060.00E+000.00E+000.00E+003.04E 06 51 CrCi1.64E 05 5.15E 03 1.20E 04 1.15E 045.40E 03 122 SbCi5.54E 06 3.92E 05 3.99E 06 2.05E 065.08E 05 54 MnCi0.00E+00 3.57E 050.00E+000.00E+003.57E 05 95 ZrCi0.00E+00 4.60E 060.00E+000.00E+004.60E 06 95 NbCi0.00E+00 3.57E 060.00E+000.00E+003.57E 06 131 ICi0.00E+00 3.71E 03 1.37E 06 0.00E+003.71E 03 133 ICi0.00E+00 6.04E 060.00E+000.00E+006.04E 06 132 ICi0.00E+00 5.20E 04 0.00E+00 3.18E 065.23E 04 24 NaCi0.00E+00 3.64E 04 1.42E 05 0.00E+003.78E 04 132 TeCi0.00E+00 3.44E 040.00E+000.00E+003.44E 04 65 ZnCi0.00E+00 2.21E 050.00E+000.00E+002.21E 05 129 TeCi0.00E+00 5.95E 03 3.68E 04 0.00E+006.32E 03 138 CsCi0.00E+00 2.90E 040.00E+000.00E+002.90E 04 TotalCi7.70E 031.75E 011.90E 028.15E 032.09E 01 13Dissolved&EntrainedGasesUnitsQuarter1Quarter2Quarter3Quarter4Totalfortheyear133 XeCi3.71E 017.37E 01 5.28E 05 2.57E 05 1.11E+00 131mXeCi1.24E 021.79E 020.00E+000.00E+003.03E 02 137 XeCi5.60E 050.00E+000.00E+000.00E+005.60E 05 133mXeCi5.87E 043.94E 030.00E+000.00E+004.53E 03 135 XeCi1.00E 051.31E 030.00E+000.00E+001.32E 03 89 KRCi0.00E+000.00E+00 9.11E 05 0.00E+009.11E 05 TotalCi3.84E 017.60E 011.44E 042.57E 051.15E+003 HCi8.55E+022.16E+021.03E+018.16E+011.16E+03 GrossCi7.42E 052.19E 04 1.06E 03 2.49E 04 1.60E 03 14A.SOLIDWASTESHIPPEDOFFSITEFORBURIALORDISPOSAL(NotIrradiatedFuel)1.TYPEOFWASTEUnits PeriodJan-JunPeriodJulDecEst.TotalError(%)Spentresins,filtersludges,evaporatorbottoms,etc.m 3 Ci0.00E+000.00E+021.47E+015.72E 04+25%Drycompressiblewaste,contaminatedequip.,etc.m 3 Ci2.32E+021.37E 011.16E+027.32E 02+25%Irradiatedcomponents,controlrods,etc.m 3 Ci0.00E+000.00E+000.00E+000.00E+00+25%Other(lowlevelsecondaryresin,oilywaste)m 3 Ci0.00E+000.00E+004.67E+003.72E+00+25%

152.ESTIMATEOFMAJORNUCLIDECOMPOSITION(byTypeofWaste) a.Spentresins,filters,evaporatorbottoms,etc.Nuclide%AbundanceJan-JunCi%AbundanceJul-DecCi58 Co0%0.00E+001.975%1.13E 0560 Co0%0.00E+0032.230%1.84E 04125 Sb0%0.00E+001.640%9.39E 06134 Cs0%0.00E+001.323%7.57E 06137 Cs0%0.00E+008.085%4.63E 05144 Ce0%0.00E+0053.068%3.04E 04 b.Drycompressiblewaste,contaminatedequipment,etc.3 H1.979%2.71E 031.980%1.45E 0355 Fe29.333%4.02E 0229.346%2.15E 0258 Co1.351%1.85E 031.344%9.84E 0460 Co14.830%2.03E 0214.839%1.09E 0263 Ni29.435%4.04E 0229.458%2.16E 0295 Zr1.617%2.22E 031.608%1.18E 0395 Nb3.474%4.76E 033.433%2.51E 03134 Cs4.602%6.31E 034.604%3.37E 03137 Cs12.083%1.66E 0212.092%8.85E 03 c.Irradiatedcomponents,controlrods,etc.NoneN/AN/AN/AN/A 16 d.Other3 H0%0.00E+0015.091%5.62E 0155 Fe0%0.00E+0017.570%6.54E 0158 Co0%0.00E+004.016%1.50E 0160 Co0%0.00E+008.080%3.01E 0163 Ni0%0.00E+0022.139%8.24E 01134 Cs0%0.00E+005.796%2.16E 01137 Cs0%0.00E+0024.915%9.28E 013.SOLIDWASTEDISPOSITIONNumberofShipmentsModeofTransportDestinationClassofSolidWasteShippedTypeofContainer6*TruckEnergySolutions BearCreekAIntermodalContainer1*TruckEnergySolutions GallaherRoadAIntermodal Container/B 25boxes/Flatbed1*CaskStudsvikAPolyLiner*Senttowasteprocessorsforvolumereductionbeforeburial.4.SOLIDIFICATIONAGENTNoneused.B.IRRADIATEDFUELSHIPMENTS(Disposition)Therewerenoshipmentsofirradiatedfuelduringthereportingperiod.

17Quarter1Quarter2Quarter3Quarter4YearlytotalLiquidEffluentDoseLimit,TotalBody(mrem)1.51.51.51.53TotalBodyDose(mrem)6.57E 034.90E 037.33E 041.73E 031.38E 02%Limit(%)0.44%0.33%0.05%0.12%0.46%LiquidEffluentDoseLimit,MaximumOrgan(mrem)555510MaximumOrganDose(mrem)8.88E 036.93E 031.14E 032.43E 031.92E 02%Limit(%)0.18%0.14%0.02%0.05%0.19%GaseousEffluentDoseLimit,GammaAir(mrem)555510GammaAirDose(mrad)7.73E 04 1.77E 03 5.85E 05 5.79E 052.65E 03%Limit(%)0.02%0.04%0.00%0.00%0.03%GaseousEffluentDoseLimit,BetaAir(mrem)1010101020BetaAirDose(mrad)2.21E 03 4.41E 03 1.03E 04 4.66E 056.77E 03%Limit(%)0.02%0.04%0.00%0.00%0.03%GaseousEffluentDoseLimit,MaximumOrgan(mrem)7.57.57.57.515Maximumorgandose 11(mrem)1.16E 022.08E 023.22E 033.49E 031.26E 02%Limit(%)0.15%0.28%0.04%0.05%0.08%11Iodine,3 H,andparticulateswithgreaterthanan8dayhalflife.

18WholeBodyThyroidAnyOtherOrganDoseLimit25mrem75mrem25mremDose1.04E 2mrem1.01E 2mrem1.01E 2mrem%Limit0.04%0.04%0.04%

19 JointFrequencyTables;TotalsofHoursatEachWindSpeed&DirectionfortheperiodJanuary1,2010December31,2010 0CallawayPlant2010AnnualRadioactiveEffluentReleaseReportStabilityClassAWindSpeedat10.00MeterLevel(MPH)134781213181924>24TOTALN0000000NNE0011002NE0000000ENE0000000E2020004ESE0000000SE0000000SSE0000000S0010001SSW0071008SW031110015WSW06650017W021310016WNW041700021NW021610019NNW0020002Total217761000105 Hoursofcalmdata:0Hoursofinvaliddata:3 1CallawayPlant2010AnnualRadioactiveEffluentReleaseReportStabilityClassBWindSpeedat10.00MeterLevel(MPH)134781213181924>24TOTALN0412007NNE045100 10NE1010002ENE0140005E0010001ESE0011002SE0310004SSE038100 12S019100 11SSW0615400 25SW1911600 27WSW0412007W048000 12WNW0712000 19NW0416200 22NNW026300 11Total2521002300 177Hoursofcalmdata:0 Hoursofinvaliddata:3 2CallawayPlant2010AnnualRadioactiveEffluentReleaseReportStabilityClassCWindSpeedat10.00MeterLevel(MPH)134781213181924>24TOTALN271400023NNE111800020NE18300012ENE013700020E25400011ESE091130023SE091500024SSE0221810041S02117100048SSW3312570066SW4221501042WSW111220016W115500021WNW0211600037NW1341940058NNW1291130044Total172681903010506 Hoursofcalmdata:0Hoursofinvaliddata:0 3CallawayPlant2010AnnualRadioactiveEffluentReleaseReportStabilityClassDWindSpeedat10.00MeterLevel(MPH)134781213181924>24TOTALN341341141000 292NNE441461022210 315NE218340000 144ENE228956200 169E177657000 150ESE23120112400 259SE27127732100 248SSE351401112210 309S251241075290 317SSW19911174010 268SW207059600 155WSW143921800 82W2059644700 190WNW251271392500 316NW371461172800 328NNW261571192300 325Total4091728140831012 0 3867Hoursofcalmdata:3 Hoursofinvaliddata:15 4CallawayPlant2010AnnualRadioactiveEffluentReleaseReportStabilityClassEWindSpeedat10.00MeterLevel(MPH)134781213181924>24TOTALN357924000138 NNE2769300099NE2433100058ENE2933500067E3926300068ESE25482000093SE2511250200189 SSE30218991600363 S191431101520289 SSW156355810142 SW29401120082WSW2940500074W24461430087WNW409910000149 NW467520000141 NNW279127000145 Total463121545746302184 Hoursofcalmdata:13Hoursofinvaliddata:5 5CallawayPlant2010AnnualRadioactiveEffluentReleaseReportStabilityClassFWindSpeedat10.00MeterLevel(MPH)134781213181924>24TOTALN25351000 61NNE33170000 50NE3570000 42ENE34130000 47E38100000 48ESE38120000 50SE497213000 134SSE3823419000 291S258111000 117SSW26313100 61SW18270000 45WSW16140000 30W21153000 39WNW46200000 66NW43331000 77NNW26360000 62Total51165751100 1220Hoursofcalmdata:29Hoursofinvaliddata0:

6CallawayPlant2010AnnualRadioactiveEffluentReleaseReportStabilityClassGWindSpeedat10.00MeterLevel(MPH)134781213181924>24TOTALN417000048NNE332000035NE262000028ENE190000019E120000012ESE121000013SE307000037SSE55603000118 S2813000041SSW2228000050SW2413000037WSW101000011W8000008WNW234000027NW406000046NNW5414000068Total4371583000598 Hoursofcalmdata:31Hoursofinvaliddata:0Hoursofgooddata:8733=99.7%oftotalhours 7CallawayPlant2010AnnualRadioactiveEffluentReleaseReportStabilityClassAWindSpeedat60.00MeterLevel(MPH)134781213181924>24TOTALN0000000NNE0011002NE0000000ENE1000001E1002003ESE0000000SE0000000SSE0000000S0000000SSW0044109SW005810 14WSW008623 19W005 1110 17WNW016 1400 21NW004 1130 18NNW0001001Total21335883 105Hoursofcalmdata:0Hoursofinvaliddata: 3 8CallawayPlant2010AnnualRadioactiveEffluentReleaseReportStabilityClassBWindSpeedat60.00MeterLevel(MPH)134781213181924>24TOTALN0313007NNE0233109NE0110002ENE1112005E0011002ESE0010001SE0230106SSE01550011S00721010SSW038114026SW08953227WSW0031026W01652014WNW011261020NW019103023NNW0223108Total1267257174177Hoursofcalmdata:0Hoursofinvaliddata:3 9CallawayPlant2010AnnualRadioactiveEffluentReleaseReportStabilityClassCWindSpeedat60.00MeterLevel(MPH)134781213181924>24TOTALN28670023NNE161100018NE04700011ENE18820019E1440009ESE061031020SE052111028SSE0132451043S0921133046SSW02321173064SW0142560146WSW17230215W014530022WNW11117150044NW0193465367NNW0141412031Total716523082166506Hoursofcalmdata:0Hoursofinvaliddata:0 10CallawayPlant2010AnnualRadioactiveEffluentReleaseReportStabilityClassDWindSpeedat60.00MeterLevel(MPH)134781213181924>24TOTALN12701245120259NNE168813249141300NE1452681400148ENE1841881010158E733591800117ESE14471246210248SE158212754100288SSE179310377151306S129999613612319SSW12568570363262SW1046595373178WSW730302185101W82843474217185WNW1837110130459349NW36114695317343NNW197712158160291Total2029401518870264583852Hoursofcalmdata:2Hoursofinvaliddata:31 11CallawayPlant2010AnnualRadioactiveEffluentReleaseReportStabilityClassEWindSpeedat60.00MeterLevel(MPH)134781213181924>24TOTALN533552600119NNE42581300113NE3325320090ENE1242570057E2173220053ESE52250110088SE5271174620197SSE330140138130324S329113136173301SSW3216681122185SW219413611100WSW52231111070W22330323191WNW25904950151NW413833150136NNW016673610120Total4935810746476072195Hoursofcalmdata:2Hoursofinvaliddata:5 12CallawayPlant2010AnnualRadioactiveEffluentReleaseReportStabilityClassFWindSpeedat60.00MeterLevel(MPH)134781213181924>24TOTALN11329100053NNE51030100055NE4103930056ENE4112300038E1104100052ESE2174250066SE614881600124SSE218937400187S3121106010186SSW211633510112SW21023200055WSW21425120053W2712123036WNW1827180054NW1631230061NNW2531220060Total40176707320501248Hoursofcalmdata:1Hoursofinvaliddata:0 13CallawayPlant2010AnnualRadioactiveEffluentReleaseReportStabilityClassGWindSpeedat60.00MeterLevel(MPH)134781213181924>24TOTALN5161570043NNE0112660043NE01928110058ENE562010032E391910032ESE0102210033SE2152500042SSE272430036S31633230075SSW31928170067SW2518200045WSW481990040W281310024WNW19511017NW23780020NNW151210019Total3516631411010626Hoursofcalmdata:3Hoursofinvaliddata:0Hoursofgooddata:8717=99.5%oftotalhours 0CallawayPlant2010AnnualRadioactiveEffluentReleaseReport 1CallawayPlant2010AnnualRadioactiveEffluentReleaseReportQuarter1Quarter2Quarter3Quarter4YearlytotalLiquidEffluentDoseLimit,TotalBody(mrem)1.51.51.51.53TotalBodyDose(mrem)****1.65E 02%Limit(%)****0.55%LiquidEffluentDoseLimit,MaximumOrgan(mrem)555510MaximumOrganDose(mrem)****2.19E 2%Limit(%)****0.22%GaseousEffluentDoseLimit,GammaAir(mrem)555510GammaAirDose(mrad)****1.50E 03%Limit(%)****0.01%GaseousEffluentDoseLimit,BetaAir(mrem)1010101020BetaAirDose(mrad)****3.88E 03%Limit(%)****0.02%GaseousEffluentDoseLimit,MaximumOrgan(mrem)7.57.57.57.515Maximumorgandose 12(mrem)4.00E 032.78E 034.97E 038.06E 031.97E 02%Limit(%)0.05%0.04%0.07%0.11%0.13%*OriginallypresentedintheformatofRegulatoryGuide1.21,rev.1.12Iodine,3 H,andparticulateswithgreaterthanan8dayhalflife.

2CallawayPlant2010AnnualRadioactiveEffluentReleaseReportWholeBodyThyroidAnyOtherOrganDoseLimit25mrem75mrem25mremDose1.13E 021.09E 021.09E 02%Limit0.05%0.01%0.04%

3CallawayPlant2010AnnualRadioactiveEffluentReleaseReport 4CallawayPlant2010AnnualRadioactiveEffluentReleaseReportQuarter1Quarter2Quarter3Quarter4YearlytotalLiquidEffluentDoseLimit,TotalBody(mrem)1.51.51.51.53TotalBodyDose(mrem)****5.67E 03%Limit(%)****0.19%LiquidEffluentDoseLimit,MaximumOrgan(mrem)555510MaximumOrganDose(mrem)****8.18E 03%Limit(%)****0.08%GaseousEffluentDoseLimit,GammaAir(mrem)555510GammaAirDose(mrad)****2.97E 03%Limit(%)****0.03%GaseousEffluentDoseLimit,BetaAir(mrem)1010101020BetaAirDose(mrad)****7.38E 03%Limit(%)****0.04%GaseousEffluentDoseLimit,MaximumOrgan(mrem)7.57.57.57.515Maximumorgandose 13(mrem)1.27E 031.88E 034.29E 031.59E 039.03E 03%Limit(%)0.02%0.03%0.06%0.02%0.06%*OriginallypresentedintheformatofRegulatoryGuide1.21,rev.1.13Iodine,3 H,andparticulateswithgreaterthanan8dayhalflife.

5CallawayPlant2010AnnualRadioactiveEffluentReleaseReportWholeBodyThyroidAnyOtherOrganDoseLimit25mrem75mrem25mremDose1.01E 29.47E 39.47E 3%Limit0.04%0.01%0.04%