ML18038A369

Forwards Nine Mile Point Nuclear Station-Unit 2 Semiannual Radioactive Effluent Release Rept,Jan-June 1991 & Revs 4 & 5 to Administrative Procedure AP-3.7.1, Unit 2 Radwaste Process Control Program.

ML18038A369
Person / Time
Site:	Nine Mile Point
Issue date:	08/29/1991
From:	TERRY C D NIAGARA MOHAWK POWER CORP.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML17058A955	List: ML17058A954 ML17058A956 ML18038A369
References
NMP2L-1313, NUDOCS 9109090102
Download: ML18038A369 (39)

Text

ACCEI;ERATED DI,UTIONDEMONS.TIONSYSTEMREGULATORY INFORMATION DISTRIBUTION SYSTEM(RIDS)

SUBJECT:

Forwards"NineMilePointNuclearStation-Unit 2Semiannual Radioactive EffluentReleaseRept,Jan-June 1991"6Revs45toAdministrative Procedure AP-3.7.1, "Unit2RadwasteProcessControlProgram."

DISTRIBUTION CODE:IE48DCOPIESRECEIVED:LTR fENCLJSIZE:TXTLE:50.36a(a)(2)

Semiannual EffluentReleaseReportsNOTESPMQ8WI&7SRECIPIENT RECIPIENT COPIESIDCODE/NAME IDCODE/NAME LTTRENCLPD1-1LAPD1-1PD11BRINKMAN,D.

COPIESLTTRENCL33~11ACCESSION NBR:9109090102 DOC.DATE:

91/08/29NOTARIZED:

NODOCKETgFACIL:50-410 NineMilePointNuclearStation,Unit2,NiagaraMoha05000410AUTH.NAMEAUTHORAFFXLIATION TERRY,C.D.

NiagaraMohawkPowerCorp.RECIP.NAME RECIPIENT AFFILIATION DocumentControlBranch(Document ControlDesk)RDDDINTERNAL:

ACRSNRR/DREP/PRPB11 RGN1DRSS/RPBEXTERNAL:

BNLTICHLER,J03NRCPDR1122221111AEOJ3JDSP/TPABEGMuTLE"GN~FX"5E0'2EGGGSIMPSON,F 11111122DNOTETOALL"RIDS"RECIPIENTS:

DDPLEASEHELPUSTOREDUCEWAS'ONTACT THEDOCUMENTCONTROLDESK,ROOMPl-37(EXT.20079)TOELIMINATE YOURNAMEFROMDISTRIBUTION LISTSFORDOCUMENTS YOUDON'TNEED!TOTALNUMBEROFCOPIESREQUIRED:

LTTR17ENCL17 0~MtflNII(

VMlle%,IRA 0+~opsgNIAGARAMOHAWKPOWERCORPORATION/301 PLAINFIELD ROAD.SYRACUSENY13212/TELEPHONE (315)4741511August29,1991NMP2L1313UnitedStatesNuclearRegulatory Commission Attn:DocumentControlDeskWashington, DC20555Re:NineMilePointUnit2DocketNo.50-410NPF-69Gentlemen:

SUBJECT:

JANUARY-JUNE1991SEMI-ANNUAL RADIOACTIVE EFFLUENTRELEASEREPORTInconformance withtheNineMilePointNuclearStationUnit2(NMP2)Technical Specifications, weareenclosing theSemi-Annual Radioactive EffluentReleaseReortfortheperiodJanuary1,1991throughJune30,1991.Includedinthisreportisasummaryofliquid,gaseousandsolideffluents releasedfromthestationduringthereporting period(Tables1-3)andanexplanation astothecauseandcorrective actionsregarding theinoperability ofanystationliquidandgaseouseffluentmonitoring instrumentation (Attachment 1).Duringthereporting periodtherewerenorevisions totheOffsiteDoseCalculation Manual(Attachment 2)ortheProcessControlProgramProcedure (Attachment 3).TheformatusedfortheeffluentdataisoutlinedinAppendixBofRegulatory Guide1.21,Revision1.Doseassessments weremadeinaccordance withtheNMP2OffsiteDoseCalculation Manual.Distribution isinaccordance withRegulatory Guide10.1,10CFR50.4(b)(1)andtheTechnical Specifications.

Ifyouhaveanyquestions concerning theattachedreport,pleasecontactBethThomas,Chemistry andRadiation Protection Support,SyracuseCorporate Office,SalinaMeadows(315)428-7188.

Verytrulyyours,C.D.TerrVicePresident

-NuclearEngineering EDT/sek001371LLEnclosure xc:RegionalAdministrator, RegionIMr.R.A.Capra,ProjectDirector, NRRMr.D.S.Brinkman, SeniorProjectManager,NRRMr.W.L.Schmidt,SeniorResidentInspector Mr.D.S.Haverkamp, Chief,ReactorProjectsSectionNo.1BRecordsManagement Cd~QQ'g.~9109090i02 910829'..

PDRADOCfC'5000@i 0"RPDR" NINEMILEPOINTNUCLEARSTATION-UNIT2SEMI-ANNUAL RADIOACTIVE EFFLUENTRELEASEREPORTJANUARY-JUNE1991DOCKETNO.:LICENSENO.:50-410NPF-699109090102

)e001371LL

NIAGARAMOHAWKPOWERCORPORATION NINEMILEPOINTNUCLEARSTATION-UNIT2SEMI-ANNUAL RADIOACTIVE EFFLUENTRELEASEREPORTJANUARY-JUNE1991Facility:

NineMilePointUnit2Licensee:

NiagaraMohawkPowerCorporation 1.Technical Specification Limits:A)Fissionandactivation gases:1.Thedoseratelimitofnoblegasesfromthesitetoareasatorbeyondthesiteboundaryshallbelessthanorequalto500mrem/year tothewholebodyandlessthanorequalto3000mrem/year totheskin.2.Theairdosefromnoblegasesreleasedingaseouseffluents fromtheNineMilePoint2Stationtoareasatorbeyondthesiteboundaryshallbelimitedduringanycalendarquartertolessthanorequalto5mrforgammaradiation andlessthanorequalto10mradforbetaradiation and,duringanycalendaryeartolessthanorequalto10mrforgammaradiation andlessthanorequalto20mradforbetaradiation.

B&C)Tritium,IodinesandParticulates, halflives>8days:1.ThedoseratelimitofIodine-131, Iodine-133, Tritiumandallradionuclides inparticulate formwithhalf-lives greaterthaneightdays,releasedingaseouseffluents fromthesitetoareasatorbeyondthesiteboundary, shallbelessthanorequalto1500mrem/year toanyorgan.2.ThedosetoamemberofthepublicfromIodine-131, Iodine-133, Tritiumandallradionuclides inparticulate formwithhalflivesgreaterthaneightdaysaspartofgaseouseffluents releasedfromtheNineMilePoint2Stationtoareasatorbeyondthesiteboundaryshallbelimitedduringanycalendarquartertolessthanorequalto7.5mremtoanyorganand,duringanycalendaryeartolessthanorequalto15mremtoanyorgan.D)LiquidEffluents:

1.Theconcentration ofradioactive materialreleasedinliquideffluents tounrestricted areasshallbelimitedtotheconcentrations specified in10CFRPart20,AppendixB,TableII,Column2forradionuclides otherthandissolved orentrained noblegases.Fordissolved orentrained noblegases,theconcentration shallbelimitedto28-04microcuries/ml totalactivity.

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2.Thedoseordosecommitment toamemberofthepublicfromradioactive materials inliquideffluents releasedfromNineMilePointUnit2tounrestricted areasshallbelimitedduringanycalendarquartertolessthanorequalto1.5mremtothewholebodyandtolessthanorequalto5mremtoanyorgan,andduringanycalendaryeartolessthanorequalto3mremtothewholebodyandtolessthanorequalto10mremtoanyorgan.2.MaximumPermissible Concentrations:

A)Fissionandactivation gases:Nonespecified B&C)Iodinesandparticulates, halflives>8days:Nonespecified D)LiquidEffluents:

10CFR20,AppendixB,TableII,Column2.AvgMPC(Jan.-March)=1.27E-03uCi/mlAvgMPC(April-June)=1.87E-03uCi/ml3.AverageEnergy(FissionandActivation gases-Mev):Jan.-March:Apr.-June:Eg=1.26;EpEg=1.44;Ep4.69E-015.96E-014.Measurements andApproximations ofTotalRadioactivity:

Described belowarethenormalmethodsusedtomeasureorapproximate thetotalradioactivity andradionuclide composition ineffluents.

A)FissionandActivation Gases:Noblegaseffluentactivityisdetermined byon-linegammaspectroscopic monitoring (intrinsic germanium crystal)ofanisokinetic samplestream.B)Iodines:Iodineeffluentactivityisdetermined bygammaspectroscopic analysisofcharcoalcartridges sampledfromanisokinetic samplestream.C)Particulates:

Activityreleasedisdetermined bygammaspectroscopic analysisofparticulate filterssampledfromanisokinetic samplestream.D)Tritium:Tritiumeffluentactivityismeasuredbyliquidscintillation orgasproportional countingofmonthlysamplestakenwithanairsparging/water trapapparatus.

E)LiquidEffluents:

IsotopicAnalysisofarepresentative sampleofeachbatch.001371LL

4.Measurements andApproximations ofTotalRadioactivity:

(Continued)

P)SolidEffluents:

Isotopiccontentsofwasteshipments aredetermined bygammaspectroscopy analysesandwatercontentestimates ofarepresentative sampleofeachbatch.Scalingfactorsestablished fromprimarycomposite sampleanalysesconducted off-siteareapplied,whereappropriate, tofindestimated concentration ofnon-gamma emitters.

Forlowactivitytrashshipments, curiecontentisestimated byplantsmears.5.BatchReleases:

Thefollowing information relatestobatchreleasesofradioactive materials inliquidandgaseouseffluents.

A)Liquid:1.2.3.4,5.6.7.8.16.828.31817Numberofbatchreleases:

51Totaltimeperiodforbatchreleases:

168hoursMaximumtimeperiodforabatchrelease:3hoursAveragetimeperiodforabatchrelease:3hoursMinimumtimeperiodforabatchrelease:3hoursAveragestreamflowduringperiodofreleaseofeffluentintoaflowingstream:NotApplicable Totalvolumeofwaterusedtodilutetheliquideffluentduringreleaseperiods:1.12E+09litersTotalvolumeofwateravailable todilutetheliquideffluentduringreporting period:2.80E+10litersmin.min.min.min.B)Gaseous(PrimaryContainment Purge):1.2.3.4.5.Numberofbatchreleases:

6Totaltimeperiodforbatchreleases~:

Maximumtimeperiodforabatchrelease:Averagetimeperiodforabatchrelease:Minimumtimeperiodforabatchrelease:74hours13hours12hours11hours35min.5min.26min.59min.6.AbnormalReleases:

A.B.Liquids-noneGaseous-noneActualpurgetimesarelessthanshown.Thetimespresented arethesamplingtimes,andrepresent aconservative approximation toactualpurgetimes,(approximately 12hoursperpurge).e001371LL

TABLE1ASEMI-ANNUAL RADIOACTIVE EFFLUENTRELEASEREPORTNINEMILEPOINTNUCLEARSTATION2GASEOUSEFFLUENTS-SUMMATION OFALLRELEASESELEVATEDANDGROUNDLEVELJANUARY-JUNE1991A.Fission&Activation asesUNIT1stQUARTER2ndEST.TOTAL QUARTERERRORX1.2.3.TotalreleaseAveragereleaserateforperiodPercentofTechnicali Specification LimitCiuCi/sec1.57E+012.90E+015.0E+012.00E+003.69E+00B.C.D.Iodines1.Totaliodine2.Averagereleaserateforperiod3.PercentofTechnicali Specification LimitParticulates2

~1.Particulates withhalf-lives>8days2.Averagereleaserateforperiod3.PercentofTechnicali Specification Limit4.Grossalpharadio-activityTritium31.Totalrelease2.Averagereleaserateforperiod3.PercentofTechnicali Specification LimitCiuCi/secCiuCi/secCiCiuCi/sec2.70E-033.43E-035.0E+013.47E-044.36E-041.29E-037.80E-035.0E+011.66E-049.92E-047.47E-061.84E-055.0E+013.42E+003.14E+005.0E+014.40E-013.99E-01RefertoSectionEonnextpage.IncludesMo-99ifapplicable.

eTritium,Iron-55,andStrontium resultsforthesecondquarterwerenotreceivedfromtheoffsitevendorasofAugust15,1991.ActualnumberswillbeprovidedinthenextSemi-Annual Report.001371LL

TABLE1A(Continued)

SEMI-ANNUAL RADIOACTIVE EFFLUENTRELEASEREPORTNINEMILEPOINTNUCLEARSTATION2GASEOUSEFFLUENTS-SUMMATION OFALLRELEASESELEVATEDANDGROUNDLEVELJANUARY-JUNE1991E.PercentofTechnical Secification LimitsUNIT1st2ndQUARTERQUARTERFissionandActivation Gases:1.PercentofQuarterly GammaAirDoseLimit(5mrem)2.PercentofQuarterly BetaAirDoseLimit(10mrem)3.PercentofAnnualGammaAirDoseLimittoDate(10mrem)4.PercentofAnnualBetaAirDoseLimittoDate(20mrem)5.PercentofWholeBodyDoseRateLimit(500mrem/yr)6.PercentofSkinDoseRateLimit(3000mrem/yr)1.50E-012.98E-018.52E-041.88E-037.51E-022.24E-014.26E-041.37E-035.87E-031.13E-021.13E-032.20E-03TritiumIodinesandParticulates withhalf-lives reaterthan8das1.PercentofQuarterly DoseLimit(7.5mrem)2.PercentofAnnualDoseLimittoDate(15mrem)3.PercentofOrganDoseRateLimit(1500mrem/yr)2.00E-021.85E-021.00E-021.92E-027.86E-047.50E-04001371LL

TABLE1BSEMI-ANNUAL RADIOACTIVE EFFLUENTRELEASEREPORTNINEMILEPOINTNUCLEARSTATION2GASEOUSEFFLUENTS-ELEVATED (STACK)JANUARY-JUNE1991NuclidesReleasedCONTINUOUS MODEBATCHMODE1~2~FissionGases~Argon-41Krypton-85m Krypton-87 Krypton-88 Xenon-133 Xenon-135 Xenon-135m Xenon-137 Xenon-138 Iodines~Iodine-131 Iodine-133 Iodine-135 CiCiCiCiCiCiCiCiCiCiCiCi3.19E+005.32E-013.30E+004.70E-022.52E-011.62E+006.78E+002.23E-042.48E-036.29E+008.55E-024.06E-011.44E+014.75E-013.75E+003.55E+001.82E-043.08E-033~Particulates

'trontium-89 Strontium-90 Strontium-91 Cesium-134 Cesium-137 Cobalt-60 Cobalt-58 Manganese-54 Barium-Lanthanum Antimony-125 Niobium-95 Cerium-141 Cerium-144 Iron-59Cesium-136 Chromium-51 Zinc-65Iron-55Molybdenum-99 CiCiCiCiCiCiCiCi-140CiCiCiCiCiCiCiCiCiCiCi5.31E-05****9.85E-06************9.13E-051.44E-059.14E-0501.01E-049.06E-054.95E-063.69E-034.00E-043.93E-044,TritiumCi1.12E+001.88E+001.72E-023.62E-02~Concentrations lessthanthelowerlimitofdetection of1.00E-04uCi/mlfornoblegases,1.00E-11uCi/mlforparticulates, 1.00E-12uCi/mlforiodinesand1.00E-06uCi/mlfortritiumasrequiredbyTechnical Specifications areindicated withadoubleasterisk.

Iron-55andStrontium results(indicated withapoundsign)forthesecondquarterwerenotreceivedfromtheoffsitevendorasofAugust15,1991.ActualnumberswillbeprovidedinthenextSemi-Annual Report.001371LL I

TABLE1CSEMI-ANNUAL RADIOACTIVE EFFLUENTRELEASEREPORTNINEMILEPOINTNUCLEARSTATION2GASEOUSEFFLUENTS-COMBINED GROUNDLEVEL-ELEVATED (REACTORBUILDING/RADWASTE VENT)JANUARY-JUNE1991NuclidesReleased1.FissionGasesArgon-41Krypton-85 Krypton-85m Krypton-87 Krypton-88 Xenon-133 Xenon-135 Xenon-135m Xenon-137 Xenon-138 2.Iodines~CiCiCiCiCiCiCiCiCiCiCONTINUOUS MODEBATCHMODE3.Iodine-131 Iodine-133 Iodine-135 Particulates~

CiCiCi1.53E-061.02E-051.53E-04NobatchreleasesCiCiCiCiCiCiCium-140CiCiCiCiCiCiCiCiCiCiCiStrontium-89 Strontium-90 Cesium-134 Cesium-137 Cobalt-60 Cobalt-58 Manganese-54 Barium-Lanthan Antimony-125 Niobium-95 Cerium-141 Cerium-144 Iron-59Cesium-136 Chromium-51 Zinc-65Iron-55Molybdenum-99 1.05E-049.90E-074.64E-051.48E-045.04E-042.28E-047.11E-051.68E-054.42E-061.85E-035.90E-045.88E-044.TritiumCi2.28E+001.23E+00~Concentrations lessthanthelowerlimitofdetection of1.00E-04uCi/mlfornoblegases,1.00E-11uCi/mlforparticulates, 1.00E-12uCi/mlforiodines,and1.00E-06uCi/mlfortritiumasrequiredbyTechnical Specifications areindicated withadoubleasterisk.

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TABLE2ASEMI-ANNUAL RADIOACTIVE EFFLUENTRELEASEREPORTNINEMILEPOINTNUCLEARSTATION2LIQUIDEFFLUENTS-SUMMATION OFALLRELEASESJANUARY-JUNE1991uCi/mlUnitA.Fissionandactivation roducts2'3 1.Totalrelease(notincluding tritium,gases,alpha)Ci2.Averagedilutedcon-centration duringreporting period3.Percentofapplicablei limitx1st2ndQuarterguarterEst.TotalErrorX3.378-091.92E-095.03E-022.798-022.50E+1B.Tritium2'3 1.Totalrelease2.Averagedilutedcon-centration duringreporting period3.Percentofapplicable limitC.Dissolved andentrained asesl1.Totalrelease2.Averagedilutedcon-centration duringreporting period3.Percentofapplicable limitD.Grossalharadioactivit

~1.TotalreleaseCiuCi/mlCiuCi/mlCi1.448+001,84E+002.50E+19.93E-081.36E-073.31E-034.548-031.448-045.00E+19.918-124.968-04E.Volumes1.Priortodilution2.Volumeofdilutionwaterusedduringreleaseperiod3.Volumeofdilutionwateravailable duringreporting periodRefertoFonnextpageliterslitersliters2.528+062.07E+062.50E+16.24E+084.998+082.508+11.458+101.358+102.50E+1Concentrations lessthanthelowerlimitofdetection of5.008-07uCi/mlforgammaemittingnuclides, 1.00E-05uCi/mlfordissolved andentrained noblegasesandtritium,5.008-08uCi/mlforSr89/90,1.00E-06uCi/mlforFe55and1.008-07uCi/mlforgrossalpharadioactivity asrequiredbyTechnical Specifications areindicated withadoubleasterisk.

Forbatchandcontinuous mode,theIron-55andStrontium resultsforthesecondquarter,andTritiumresultsforMayandJunewerenotreceivedfromtheoffsitevendorasofAugust15,1991.ActualnumberswillbeprovidedinthenextSemi-Annual Report.Thenumbersprovidedrepresent conservative estimates.

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TABLE2A(Continued)

SEMI-ANNUAL RADIOACTIVE EFFLUENTRELEASEREPORTNINEMILEPOINTNUCLEARSTATION2LIQUIDEFFLUENTS-SUMMATION OFALLRELEASESJANUARY-JUNE1991F.PercentofTechnical Secification LimitsUnit1st2ndQuarterQuarter2.3.4,5.6.PercentofQuarterly WholeBodyDoseLimit(1.5mrem)PercentofQuarterly OrganDoseLimit(5mrem)PercentofAnnualWholeBodyDoseLimittoDate(3mrem)PercentofAnnualOrganDoseLimittoDate(10mrem)Percentof10CFR20Concentration LimitPercentofDissolved orEntrained NobleGasLimit(1.00E-5uCi/ml)2.11E+002.90E-011.40E+001.87E-011.05E+001.20E+007.00E-017.95E-018.07E-037.42E-034.96E-06iConcentrations lessthanthelowerlimitofdetection of2E-4uCi/mlasrequiredbyTechnical Specifications areindicated withadoubleasterisk.

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TABLE2BSEMI-ANNUAL RADIOACTIVE EFFLUENTRELEASEREPORTNINEMILEPOINTNUCLEARSTATION2LIQUIDEPPLUENTS RELEASEDJANUARY-JUNE1991CONTINUOUS MODEi'~BATCHMODE~NuclidesReleased~

Strontium-89 Strontium-90 Cesium-134 Cesium-137 Iodine-131 CiCiCiCiCi4.53E-043.62E-05Cobalt-58 Cobalt-60 Iron-59Zinc-65Manganese-54 Chromium-51 CiCiCiCICiCi1.47E-048.38E-035.83E-053.73E-023.50E-038.44E-041.45E-034.95E-035.92E-041.60E-02Zirconium-niobium-95Ci Molybdenum-99 CiTechnetium-99m CiBarium-lanthanum-140Ci Cerium-141 CiHydrogen-3 Sodium-24 Iron-55Manganese-56 Nickel-65 Arsenic-76 Iodine;133 Tungsten-187 Xenon-133 Xenon-135 CiCiCiCiCiCiCiCiCiCi1.44E+001.84E+004.42E-031.31E-041.24E-05eConcentrations lessthanthelowerlimitofdetection of5.00E-07uCi/mlforgammaemittingnuclides, 1.00E-05uCi/mlfordissolved andentrained noblegasesandtritium,5.00E-08uCi/mlforSr89/90and1.00E-06uCi/mlforPe55asrequiredbyTechnical Specifications areindicated withadoubleasterisk.

Noactivities greaterthantheirLLDforSr-89/90andPe-55areanticipated forthecontinuous modeasindicated witha5sign.Forbatchandcontinuous modeIron-55andStrontium resultsforthesecondquarter,andTritiumresultsforMayandJunewerenotreceivedfromtheoffsitevendorasofAugust15,1991.ActualnumberswillbeprovidedinthenextSemi-Annual Report.Thenumbersprovidedrepresent conservative estimates.

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TABLE3ASEMI-ANNUAL RADIOACTIVE EPPLUENTRELEASEREPORTNINEMILEPOINTNUCLEARSTATION2SOLIDWASTEANDIRRADIATED FUELSHIPMENTS JANUARY-JUNE1991A.SolidWasteShiedOff-SiteforBurialorDisosalNotirradiated fuel1.TeofWasteUNIT6-MONTHPERIODEST.TOTALERRORa.Spentresins,filtersludgebottoms,etc.Cim9.05E+011.00E+032.50E+01b.Drycompressible waste,contaminated equip.,etc.Ci6.12E+011.36E+005.00E+01c.Irradiated components, controlrods,etc.mNoneNoned.OthermCiNoneNoneAllweresolidified incementasClassAwasteinstrong,tightcontainers.

Allwereshippedasradioactive LSA.001371LL

TABLE3A(Continued)

SEMI-ANNUAL RADIOACTIVE EFFLUENTRELEASEREPORTNINEMILEPOINTNUCLEARSTATION2SOLIDWASTEANDIRRADIATED FUELSHIPMENTS JANUARY-JUNE19912.EstimateofMa'orNuclideComositionbTeofWastea.SpentResins,filtersludges,evaporator bottoms,etc.PercentZinc-65Cobalt-60 Iron-55.Chromium-51 Manganese-54 Others6.59E+011.08E+019.63E+008.38E+003.43E+001.82E+00b.DryCompressible Waste,Contaminated Equips,etc.Chromium-51 Zinc-65Iron-55Cobalt-60 Manganese-54 Hydrogen-3 (Tritium)

Nickel-63 Iron-59OthersPercent4.61E+012.63E+011.14E+018.10E+002.64E+001.97E+001.60E+001.10E+007.90E-01c.Irradiated components, controlrods,etc.NONE001371LL

TABLE3A(Continued)

SEMI-ANNUAL RADIOACTIVE EFFLUENTRELEASEREPORTNINEMILEPOINTNUCLEARSTATION2SOLIDWASTEANDIRRADIATED FUELSHIPMENTS JANUARY-JUNE19913.SolidWasteDisositionNumberofShimentsModeofTransortationDestination 19TruckBurialinBarnwellSCB.IRRADIATED FUELSHIPMENTS DISPOSITION NumberofShimentModeofTransortationDestination NoneC.SOLIDWASTESHIPPEDOFFSITETOVENDORSFORPROCESSING ANDSUBSEUENTBURIALBelowisasummaryofDryActivated Wastethatwasshippedoffsiteforprocessing andburialbyvendorfacilities (i.e.,ALARON,QUADREXand/orSCIENTIFIC ECOLOGYGROUP)duringJanuary-June,1991.

Thesetotalswerereportedseparately from"10CFR61SolidWasteShippedforBurial"(i.e.,SectionAofTable3A)since(a)wasteclassification andburialwasperformed bythevendorsand(b)NMP-2Technical Specification 6.9.1requiresreporting of"information foreachclassofsolidwaste(asdefinedby10CFR61)shippedoffsiteduringthereporting period."Theinformation providedinthissection,therefore, isinadditiontothatrequiredbytheNMP-2Technical Specifications.

Thefollowing datarepresents theactualshipments madefromQuadrexofournon-compacted commingled trash.ThistrashwasshippedtoOakridge, TNforprocessing priortoburial.TeofWaste-noncompacted commingled trashshippedtoOakridge, TNforprocessing priortoburialatBarnwell, SCUnitBurialVolumem34.74E+00Ci6.84E-02Est.TotalError5.00E+012.EstimateofMa'orNuclideComositionPercentCobalt-58 Cobalt-60 Zinc-65Manganese-54 Cesium-137 Iron-553.25E+012.96E+012.28E+018.28E+004.62E+002.20E+00001371LL

TABLE3A(Continued)

SEMI-ANNUAL RADIOACTIVE EFFLUENTRELEASEREPORTNINEMILEPOINTNUCLEARSTATION2SOLIDWASTEANDIRRADIATED FUELSHIPMENTS JANUARY-JUNE19913.SolidWasteDisosition~NumberofShimentsModeofTransortationTruckDestination

-Processing inOakridge, TN-BurialinBarnwell, SC.Thenumberofshipments reportedhererepresents thetotalnumberthatQuadrexshipsfromTennessee toSouthCarolina.

Thisdoesnotrepresent thenumberofshipments NiagaraMohawksenttoQuadrex,whichwas2intotal.001371LL

ATTACHMENT 1SEMI-ANNUAL RADIOACTIVE EFFLUENTRELEASEREPORTNINEMILEPOINTNUCLEARSTATION2EXPLANATION OFINSTRUMENTATION INOPERABILITY JANUARY-JUNE1991Inaccordance withNMPUnit2Technical Specifications, Radioactive EffluentInstrumentation whichisinoperable for30consecutive dayswithinthereporting periodmustbereportedintheSemi-Annual Radioactive EffluentReleaseReport.BelowisalistingofmonitorswhichfallintothiscategoryduringtheJanuary-June1991reporting periodalongwithadescription ofcausesfortheinoperability and,asappropriate, corrective actionstakentoresolvetheproblems.

Instrument DateofInstrument InoerabilitDateReturnedCauseofInoperability/

toServiceCorrective ActionsServiceWaterARadiation MonitorMarch5,1991-April23,1991April23,1991Samplepumptrippedduetoflowswitchproblemsfromsiltbuild-up.

Inaddition, corrosion build-upcreatedlowflowcondition.

Theflowswitchproblemisbeinginvestigated bydesignengineering.

ServiceWaterBRadiation MonitorOct.1,1990-Feb.4,1991Feb.4,1991Inoperable periodwasduetoanunreliable samplepump.Pumpswererecentlyupgradedbyplantmodification.

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ATTACHMENT 2SEMI-ANNUAL RADIOACTIVE EFFLUENTRELEASEREPORTNINEMILEPOINTNUCLEARSTATION2RECENTCHANGESTOTHEOFFSITEDOSECALCULATION MANUALJANUARY-JUNE1991DuringtheJanuary-June 1991reporting period,therewerenochangestotheOffsiteDoseCalculation Manual(ODCM),(Rev.5).001371LL

~p ATTACHMENT 3SEMI-ANNUAL RADIOACTIVE EFFLUENTRELEASEREPORTNINEMILEPOINTNUCLEARSTATION2CHANGESTOTHEPROCESSCONTROLPROGRAMJANUARY-JUNE1991Duringthereporting periodofJanuarythruJune1991therewerechangestothePCPorProcessControlProgramtoreflectpersonnel re-organization oftitlesandresponsibilities.

Theoldrevisionalong-withthenewrevisionareincludedwiththereport.001371LL-17-