ML17273A043

NPDES Permit Fl 0002208,issued to Fl Power & Light

ML17273A043
Person / Time
Site:	Saint Lucie
Issue date:	01/29/1982
From:	TRAINA P J ENVIRONMENTAL PROTECTION AGENCY
To:
Shared Package
ML17212B369	List: ML17212B368 ML17273A042 ML17273A043
References
FL-0002208, FL-2208, NUDOCS 8202100393
Download: ML17273A043 (53)

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{{#Wiki_filter:Permo.:FL0002208UNITEDSTATESENVIRONMENTALPROTECTIONAGENCYREGIONIV545COURTLANDSTREETATLANTA,GEORGIA30363AUTHORIZATIONTODISCHARGEUNDERTHENATIONALPOLLUTANTDISCHARGEELIMINATIONSYSTEMIncompliancewiththeprovisionsoftheCleanWaterAct,asamended(33U.S.C.1251et.seq;the"Act"),\FloridaPowerandLightCompanyPostOfficeBox529100Miami,Florida33152isauthorizedtodischargefromafacilitylocatedatSt.LucieNuclearPowerPlantUnits1and2HutchinsonIslandSt.LucieCounty,FloridatoreceivingwatersnamedAtlanticOceanfromdischargepointsenumeratedherein,,asserialnumbers001,002,003,004,005,006,007and008inaccordancewitheffluentlimitations,monitoringrequirementsandotherconditionssetforthinPartsI,II,andIIIhereof.Thepermitconsistsofthiscoversheet,PartIllpages(s),PartII12page(s)andPartIII3page(k).Thispermitshallbecomeeffectiveon4AN391982Thispermitandtheauthorizationtodischargeshallexpireatmidnight,JAN88,Igg7,JAN2919S2DateSignedPaulJ.TrainaDirectorWaterManagementDivision(c~A~,.8iOZ>00393aaO<ZS.;;'-PDR*DOCK05000335g.-':.:0;-'"'..;~,PDR, A.EFFLUENTLL~IITATIONSAND41ONIYORINGREQUIREMEN'I'SDuringtheperiodbeginningoneffectivedateandlastingthroughstartofUnit2chlorinationthepermitteeisauthorizedtodischargefromoutfall(slserialnumber(s)001-CondensercoolingwaterandauxiliarycoolingwaterdischargedtotheAtlanticOcean(includesotherplanrwastes).Suchdischargesshallbelimitedandmonitoredbythepermitteeasspecifiedbelow:EffluentCataractristicDischargeLimitationsMonitoringRequirementsInstantaneousMaximumMeasurementFrequencySample'I'ypeFlow-m/Day(MGD)N/ADischargeTemperatureC(F)0045(113)1/TemperatureRiseC(F)16.7(30):1/TotalResidualOxidants-auxiliarysystems(mg/1)0.03TotalResidualOxidants-coedenser(mg/1)0.102/MixingZoneTemperatureC(1')3/GondenserChlorineAddition(minutes/day)120Dischargeofintakescreenbackwashispermittedwithoutlimitatrequirements.HourlyHourlyHourly1/week1/weekN/AN/APumplogsRecordersRecordersMultipleGrabsMult'pieGrabsN/AN/AionormonitoringAuxiliarycoolingwatersystensforUnitImaybecontinuouslychlorinated;however,TROshallnotexceedanaximuminstantaneousconcentrationof0.03mg/1priortoentryintotheAltanticOceanattimeswhenonlythissourceand/orthesewagetreatmentplantisbeingchlorinated.Anintensivesamplingprogramshallbeinstitutedforatleast30daysfollowingstartof.systemchlorinationtoassurecompliance.IntheeventthatTROlevelsattheterminusofthedischargecanalequalorexceed0.02mg/1,permitteeshallimnlementaminimizationstudvasindicatedinPartIII.J.PermitteeshallinvestigatetheavailabilityofcontinuousrecordingTROmonitorswithlowlevelsofsensitivity(0.01to0.03mg/1)andshallfieldtestsuchunit(s).NotlaterthanthestartofAuxiliarycoolingwatersystemchlorination,permitteeshallinstallacontinuousTROrecorder,ifanacceptabledeviceisfound,attheterminusofthedischargecanal.I;ntheeventthatacontinuousrecordercannotbeinstalledbystartofchlorination,effortsshallcontinue(withprogressreportssubmittedquarterly)andmonitoringforTROshallbe1/weekonnotlessthansixgrabsamplesduringdaylighthours.Additionalgrabsamplesshallbeconductedduringperiod(s)ofTROdischargefromcondensers.io00ea:oC)C)oC7(CONTINUED) A.EFFLUENTLL11STATIONSANDillONITORINGREQUIREMEN1'SDuringtheperiodbeginningoneffectivedateandLastingthroughstartofUnit2chlorinationthepermitteeisauthorizedtodischargefromoutfall{slserialnumbcr{s)001-CondensercoolingwaterandauxiliarycoolingwaterdischargedtotheAtlanticOcean(includesotherplantwastes)~(CONTINUED)(aSamplestakenincompliancewiththemonitoringrequirementsspecifiedaboveshallhctaken<<tthefollowinglacation{s).IntaketemperatureandflowatplantintakeandallpchargecanalpriortodischargetotheAtlanticOcean.1/Underthefollowingconditionsthemaximumdischargetemperatureshallbelimitedto47.2C(117F)andthetemperatureriseto17.8(32):(1)Condenserand/orcir-culatingwaterpumpmaintenance,(2)trottlingcirculatingwaterpumpstominimizeuseocofhlrineand(3)foulingofcirculatingwatersystem.Intheeventthat00dischargetemperatureexceeds45C(113F)permitteeshallnotifytheCie,aerPermitsBranchinamannersimilartothatprovidedforinPartII.A.3.c.(5days).2/Totalresidualoxidants(TRO)shallnotexceedamaximuminstantaneousconcentrationof0-10mg/l.TROshallnotbedischargedfromUnit1condensersformorethantwohoursperday.exceed36.1C(97P)asaninstan-3/,Theambientoceansurfacetemperaturesnailnotexceeataneousmaximumatanypoint.C)C)O A.EFFLUENTLLillTATlONSANDhlOYITORlNGREQUIREMEN'1'8DuringtheperiodbeginningonstartofUnit2chlorinationandlastingthroughexpirationthepermitteeisauthorizedtodischargefromoutfall(slserialnumber(s)001and008-Condensercoolingwaterandauxiliary,coolingwaterdischargedtotheAtlanticOcean(includesotherplantwastes)fromUnits1and2,respectively.Suchdischargesshallbelimitedaridmonitoredbythepermittedasspecifiedbelow:EffluentCharactristicDischareLimitationsh1onitoringRequirementsInstantaneousMeasurementSampleMaximumFrequencyTypeFlow-m3/Day(MGD)00DischargeTemperatureC(F)00TemperatureRiseC(F)TotalResidualOxidants-auxiliarysystems.'gmg/1)TotalResidualOxidants-condensers(mg/1)FreeResidualOxidantsfmg)l)MixingZoneTemperatureC(F)CondenserChlorineAddition(minutes/day/unit)N/A45(113)1/16.7(30)1/0.030.10SeeBelow36.1(97)2/120perunitHourlyHourlyHourly1/week1/week1/weekSeeDailyPumplogsRecordersRecordersMultipleGrabsMultipleGrabsMultipleGrabsP~rtIII.I.T,ngDischargeofintakescreenbackwashispermittedwithoutlimitationormonitoringrequirements.Freeavailableoxidantsshallnotexceedandaverageconcentrationof0.2mg/1andamaximuminstantaneousconcentrationof0.5mg/1attheoutletcorrespondingtoanin-dividualcondenserduringanychlorinationperiod.Neitherfreeavailableoxidants(FAO)nortotalresidualoxidants(TRO)maybedischargedfromeitherunitcondensersformorethantwohoursinanyonedayandnotmorethanoneunitmaydischargeFAOorTROfromitscondensersatanyonetime.Additionally,TROshallnotexceedamaximuminstantaneousconcentrationof0.10mg/1atanytimeasmeasuredinthedis-chargecanalpriortodischargetotheAtlanticOcean.AuxiliarycoolingwatersystemsforUnit1maybecontinuouslychlorinated;however,TROshallnotexceedamaximuminstantaneousconcentrationof0.03mg/lpriortoentryintotheAltanticOceanattimeswhenonlythesesourcesand/orthesewagetreatmentplantarebeingchlorinated.Anintensivesamplingprogramshallbeinstitutedforatleast30daysfollowingstartofsystemchlorinationtoassurecompliance.IntheeventthatTROlevelsattheterminusofthedischargecanalequalorexceed0.02mg/1,permitteeshallimplementarinimizationstudyasindicatedinPartIll.J.0ma3gAlp'C')C)C)C)(CONTINUED) A.EFFLUENTLDIITATIONSANDhIONIYORINGREQUIREMEN'I'DuringtheperiodbeginningonstartofUnit2chlorinationandlastingthroughexpirationthepermitteeisauthorizedtodischargefromoutfall(slserialnumber(s)001and008-Condensercoolingwaterandauxiliarycoolingwaterdischar"edtotheAtlanticOcean(includesotherplantwastes)fromUnits1and2,respectively.(CONTINUED)NotlaterthanthreeyearsafterpromulgationorJuly1,1987,whicheverisearlier,thereshallbenodischargeofTRO.Notwithstandingtheforegoing,thepermitteemayuponsuccessfullyshowingtheDirector,WaterManagementDivision,thatthefacilitymustusechlorineforcoolingwatersystembiofoulingcontrol,dischargetheminimumamountofTROnecessarytooperatethefacility.InnocaseshallTRObedischargedformorethantwohoursperdaynorshalltheTROexceedaninstantaneousmaximumof0.0lmg/lattheterminusofthedischargecanal.Notlaterthanoneyearafterpromul-gation,permitteeshallsubmitaproposedimplementationscheduletoexpeditiouslypro-videcontrolsnecessarytocomplywiththeserequirements.Note:IntheeventthatBATregulationsforcontrolofTROorchlorinearepromulgatedinamannerinconsistentwiththeOctober14,1980,proposedguidelines,requirementsofthisparagraphwillbemodi-fiedconsistentwiththepromulgatedregulations(40CFR423).PermitteeshallinvestigatetheavailabilityofcontinuousrecordingTROmonitorswithlowlevelsofsensitivity(0.01to0.03mg/l)andshallfieldtestsuchunit(s).NotlaterthanthestartofAuxiliarycoolingwatersystemchlorination,permitteeshallinstallacontinuousTROrecorder,ifanacceptabledeviceisfound,attheterminusofthedischargecanal.Intheeventthatacontinuousrecordercannotbeinstalledbystartofchlorination,effortsshallcontinue(withprogressreportssubmittedquarterly)andmonitoringforTROshallbe1/weekonnotlessthansixgrabsamplesduringdaylighthours.Additionalgrabsamplesshallbeconductedduringperiod(s)ofTROdischargefromcondensers.Samplestakenincompliancewiththemonitoringrequirementsspecifiedaboveshallbetakenatthefollowinglocation(s):IntaketemperatureandflowatplantintakesandallotherparametersinthedischargecanalpriortodischargetotheAtlanticOcean,exceptthatTROandFROshallalsobemonitoredatthecondenserdischargeforeachUnitpriortoentryintotheplantdischargecanal.1/Underthefollowingconditionsthemaximumdischargetemperatureshallbelimited00to47.2C(117F)andthetemperatureriseto17.8(32):Condenserand/orcircu-=latingwaterpumpmaintenance,and(2)foulingofcirculatingwatersystem.Intheeventthatdischargetemperatureexceeds45C(113F)permitteeshallnotify.theChiefWaterPermitsBranchinamannersimilartothatprovidedforinPartII.A.3.c.(5days).2/Theambientoceansurfacetemperatureshallnotexceed36.1.C(97F)asanin-stantaneousmaximumatanypoint. A.EFFLUENTLL~IITATIONSANDMONITORINGREQUIREMENTSDuringtheperiodbeginningontheeffectivedateofthispermitandlastingthepermitteeisauthorizedtodischargefrumoutfall(slserialnumber(s)0021/-LowintakecanalfromVnits1and2Suchdischargesshallbelimitedandmonitoredbythepermitteeasspecifiedbelow:throughexpirationvolumewastedischargetoEffluentCharacteristicDailyAvgDailyMaxDailyAvgDailyMaxDischargeLimitationskg/day(lbs(day)OtherUnits('mg/l)MeasurementFrequencySampleTypeMonitoringltequirementsFlow-m3(Day(MGD)N/AN/AOilandGreaseAl(90)55(120)TotalSuspendedSolids82(180)270(600)PriortothestartofdischargesfromVnitthelimitationshown.N/A1530N/A201001/week1/week1/weekCalculationGrabComposite2,quantitylimitationsshallbeone-halfofXntheeventthat.thiswasteisdirectedtoanevaporation/percolationpondfromwhichthereisnodischarge,theseeffluentlimitationsandmonitoringrequirementswillnotapplv~ThepHshallnotbelessthan6~0standardunitsnorgreaterthan9~0standardunitsandshallbemonitored1/batchonagrabsample.Thereshallbenodischargeoffloatingsolidsorvisiblefoaminotherthantraceamounts.Samplestakenincompliancewiththemonitoringrequirementsspecifiedaboveshallbetakenatthef~>llowinv.hr-;uion(s):.ischargefromtheneutralizationbasinpriortomixingwithanyotherwastestream.1/Serialnumberassignedforidentificationandmonitoringpurposes.'0900lDZHCC)C)h>C)CO A.EFFLUENTLDIITATIONSANDMONITORINGREQUIREMENTSDuringtheperiodbeginningontheeffectivedateofthispermitandlastingthroughexpirationthepermitteeisauthorizedtodischargefromoutfall(slserialnumber(s)0031/-Pre-operationalmetalcleaningwastesfromUnit2andsimilarcleaningoperationsdischargedtodischargecanalSuchdischargesshallbelimitedandmonitoredbythepermitteeasspecifiedbelow:MonitormgRequirementsDisrhargeLimitationskg/batch(lbs/batch)OtherUnitsImg/1)EffluentCataractristicSampleTypeMeasurementFrequencyThepHshallnotbelessthan6.0standardunitsnorgreaterthan9.0standar<lunitsandshallbemonitoredonrepresentativegrabsamples.DailyAvgDailyMax0Flow-m3/Day(MGD)2/N/AN/AI./dayDetermination(s)OilandGrease2/15202/GrabTotalSuspendedSolids2/301002/CompositeCopper,Total2/1.01.02/CompositeIron,Total2/1.01.02/CompositePhosphorusasP2/1.01.02/CompositeMetalcleaningwastesshallmeananycleaningcompounds,rinsewaters,oranyotherwater-borneresiduesderivedfromcleaninganymetalprocessequipment.Thequantityofpollut-antsdischargedfromthissourceshallnotexceedthequantitydeterminedbymultiplyingtheflowofmetalcleaningwastestimestheconcentrationslistedabove.Intheeventthatthiswasteisdirectedtoanevaporation/percolationpondfromwhichthereisnodischarge,theseeffluentlimitationsandmonitoringrequirementswillnotapply.Thereshallbenodischargeoffloatingsolidsorvisiblefoaminotherthantraceamounts.Samplestakenincompliancewiththemonitoringrequirementsspecifiedaboveshallhelak<<natthefoll<<winy,in<ation(s):dischargefromthemetalcleaningwastestreatmentfacility(s)priortomixingwithanyotherwastestream.3w~zH~JrCDooOOQ1/Serialnumberassignedforidentificationandmonitoringpurposes.2/Thetotalquantityofeachpollutantdischargedshallbereported.Innocaseshallthequantitydischargedexceedthequantitydeterminedbymultiplyingthevolumeof.thebatchofmetal.cleaningwastegeneratedtimestheconcen-trationsnotedabove(i.e.,3.8kg(8.3lbs)ofiron,copperandphosphorus;57kg(125lbs)ol'iiIan<Igrease,and114kg(250ebs)oftotalsuspendedsolidspermi1lionga1ionaofmeta'Icleaningwastegenerated).Thepermitteeshitteeshallolutantsalsoreportthefrequenryofmeasurem<nt<<sedtoadequatelyquantifythepollutandischarged.Totalvol<<meofwastewatergeneratedanddischargeshallbereported-A.EFFLUENTLLiIITATIONSANDMONITORINGREQUIIKEMENTSDuringtheperiodbeginningontheeffectivedateofthispermitandlastingthroughexpirationthepermitteeisauthorizedtodischargefromoutfall(slserialnumber(s)0041/-RadwasteSystemDischargetodischargecanalfromUnits1and2.Suchdischargesshallbelimitedandmonitoredbythepermitteeasspecifiedbelow:EffluentCharacteristicDisrhargeLimitationsMonitoringRequirementskg/day(lbs/day)OtherUnits(mg/l)MeasurementSampleDailyAvgDailyMaxDailyAvgDailyMaxFrequencyTypeFlow-mDaMGDN/AN/AN/AN/A1/batchCalculationOilandGrease4.1(9.0)5.5(12.0)15ow-m/ay()TotalSuspendedSolids8.2(18)27.0(60.0)30PriortothestartofdischargesfromUnit2,quantitylimitationsshallbeone-halfofthelimitationshown.Intheeventthatmetalcleaningwastesaredischargedthroughthisserialnumber,limi-tationsshallnotexceedthoseprovidedforoutfallserialnumber003.ThisdischargeisregulatedbytheNuclearRegulatoryCommiss~onundertheprovisionsofitsocratinglicenseandismonitoredandreportedtotheNuclearRegulatoryCommission.Noadditionalmonitoringoftheradiologicalaspectsofthisdischargearerequiredherein.ThepHshallnotbelessthanN/Astandardunitsnorgreaterthan9.0standar~lunitsandshallbemonitored1/batch.Thereshallbenodischargeoffloatingsolidsorvisiblefoaminotherthantraceamounts.Samplestakenincompliancewiththemonitoringrequirementsspecifiedaboveshallhetak<<natthefollowinv,iof'uion(s):dischargefromtheradwastesystempriortomixingwithanyotherwastestream.1/Serialnumberassignedforidentificationandmonitoringpurposes.2/Ifradwastesispassedthroughfilteranddemineralizersystem,samplingshallbe2/monthonrepresentativebatches.Ifdataforaone-yearperiod.indicatesthatalloilandgreasedeterminationsarelessthan10mg/1,thismonitoringmaybediscontinued.n9mZMIrC)C)C)C)CO A.EFFLUENTLL~IITATIONSANDMONITORINGREQUIREMENTSDuringtheperiodbeginningontheeffectivedateofthispermitandlastingthroughexpirationthepermitteeisauthorizedtodischargefron>outfall(slserialnumber(s)0051/-DewateringwastesfromUnit2constructiondischargedtointakeordischargecanalSuchdischargesshallbelimitedandmonitoredbythepermitteeasspecifiedbelow:EffluentCharacteristicDischargeLimitationsMonitoringRequirementsDailyMaxFlow-m3/Day(MGD)N/ATotalSuspendedSolids(mg/1)55DailyAvgN/A115hleasurementFrequency2/month2/monthSampleTypeCalculationGrabThereshallbenodischargeoffloatingsolidsorvisiblefoaminotherthantraceamounts.Samplestakenincompliancewiththemonitoringrequirementsspecifiedaboveshallhetakenatthefollowingi:iation(s):point(s)dischargepriortoenteringtheintakeordischargecanals.1/Serialnumberassignedforidentificationandmonitoringpurposes.'aAp)gCQO2HI00rC)C)C)hDC)CO A.EFFLUENTLLilITATIONSANDMONITORINGREQUIREMEN'I'SDuringtheperiodbeginningoneffectivedateandlastingthroughexpirationthepermitteeisauthorizedtodischargefromoutfall(slserialnumber(s)0061/-SewageTreatmentPlantDischargeSuchdischargesshallbelimitedandmonitoredbythepermitteeasspecifiedbelow:EffluentOtaracteristicDischargeLimitationsmg/1(exceptasnoted)DailyAvg.DailyMax.MeasurementFrequencySampleIypeMonitoringRequirementsFlow-m/Day(MGD)N/ABOD530TotalSuspendedSolids30FecalColiformorganisms/100mlN/A64(0.017)6060N/A1/week1/quarter1/quarter1/quarterInstantaneousGrab2/Grab2/GrabInadditiontothespecificlimits,thedailyaverageeffluentBOD5andsuspendedsolidsconcentrationsshallnotexceed10percentoftherespectivedailyaverageinfluentcon-centrations.Effluentshallbeaerobicatalltimes.ThepHshallnotbelessthan6.0standardunitsnorgreaterthan9.0standanlunitsandsl.alll)elclotlltc)fd1/week.Thereshallbenodischargeoffloatingsolidsorvisiblefoaminotherthantraceamounts:Samplestakeninrompliancewiththemonitoringrequirementsspecifiedaboveshalll)rt;tkrnattltefcllo>>to~tc)cat'.o.(:):Sewagetreatmentplantdischargepriortomixingwithanyotherwastestreams.1/Serialnumberassignedforidentificationandmonitoringpurposes.2/InfluentandeCflucnt.AC)C)0ogCh)rtMI0CDCDCDCD00 A.EFFLUENTLL~IITATIONSANDMONITORINGREQUIREMENTSOuringtheperiodbeginningoneffectivedateandlastingthroughexpirationthepermitteeisauthorizedtodischargefromoutfall(slserialnumber(s)0073./-SteamCleanupSystemBlowdowntodischargecanalfromUnits1and2Suchdischargesshallbelimitedandmonitoredbythepermitteeasspecifiedbelow:EffluentCataractristicDischargeLimitationsMonitoringRequirementsFlow-m3/Day(MQD)OilandGreaseimg/1)TotalSuspendedSolidsTotalIron(mg/1)TotalCopper(mg/1)DailyAvg.N/A15(mg/l)301.01.0DailyMax.m/A201001.01.0MeasurementFrequency2/2/2/2/2/SampleTypeCalculationGrabGrabGrabGrabThereshallbenodischargeoffloatingsolidsorvisiblefoaminotherthantraceamounts.S!amp!estakenin<<ompliancewiththemonitoringrequirementsspecifiedaboveshallh<<taken<<lthefcitloiAA"~orat'.o'.I..):point(s)ofdischargepriortoenteringthedischargecanal.2/Oneerdis1/Serialnumberassignedforidentificatiodicaionanmonitoringpurposes.neperdischargeeventoroneperweekwhichevr.fvolumieverismore.requent.Totalumeofbatchandperiodofdischargeshallbereported't$egCh)rtHIoaCDCo PARTIPageI-11permitNo.FL0002208B.SCHEDULEOFCOWIPLIANCE1.Thepermitteeshallachievecompliancewiththeeffluentlimitationsspecifiedfordischargesinaccordancewiththefollowingschedule:a.Alleffluentlimitationsshallbemetoneffectivedateorstartofdischargeb.Aquaticmonitoringprogram(PartIII.F.)(1)Implement-'Continuing(2)AnnualReports-April30ofeachyearC~Dischargestructureoperation(PartIII.G.)(1)Operationalscheme-December31,1981operationofUnit2condenserpumpsa.ThermalPlumeMonitoring(PartIII.I.)(1)StudyPlan-ThreemonthspriortofuelloadingofUnit2(2)Report-15monthsaftercommercialoperationdateofUnit2e.AuxiliaryCoolingSystemChlorineMinimization(PartIII.J)(1)Implement-Startofsystemchlorination(2)Statusreports-Quarterly(4reports)(3)FinalReport-15monthsafterimplementation2.Nolaterthan14calendardaysfollowingadateidentifiedintheabovescheduleofcompliance,thepermitteeshallsubmiteitherareportofprogressor,inthecaseofspecificactionsbeingrequiredbyidentifieddates,awrittennoticeofcomplianceornoncompliance.Inthelattercase,thenoticeshallincludethecauseofnoncompliance,anyremedialactionstaken,andtheprobabilityofmeetingthenextscheduledrequirement. ,PartIIPageII-1A.MANAGEMENTREQUIREMENTS1.DischargeViolationsAlldischargesauthorizedhereinshallbeconsistentwiththetermsandconditionsofthispermit.Thedischargeofanypollutantmorefrequentlythan,oratalevelinexcessof,thatidentifiedandauthorizedbythispermitconstitutesaviolationofthetermsandconditionsofthispermit.Suchaviolationmayresultintheimpositionofciviland/orcriminalpenaltiesasprovidedinSection309oftheAct.2.ChangeinDischargeAnyanticipatedfacilityexpansions,productionincreases,orprocessmodificationswhichwillresultinnew,different,orincreaseddischargesofpollutants.mustbereportedbysubmissionofanewNPDESapplicationatleast180dayspriortocommencementofsuchdischarge.Anyotheractivitywhichwouldconstitutecauseformodificationorrevocationandreissuanceofthispermit,asdescribedinPartII(B)(4)ofthispermit,shallbereportedtothePermitIssuingAuthority.3.NoncomplianceNotificationa.InstancesofnoncomplianceinvolvingtoxicorhazardouspollutantsshouldbereportedasoutlinedinCondition3c.AllotherinstancesofnoncomplianceshouldbereportedasdescribedinCondition3b.b.Ifforanyreason,thepermitteedoesnotcomplywithorwillbeunabletocomplywithanydischargelimitationspecifiedinthepermit,thepermitteeshallprovidethePermitIssuingAuthoritywiththefollowinginformationatthetimewhenthenextDischargeMonitoringReportissubmitted.(1)Adescriptionofthedischargeandcauseofnoncompliance;(2)Theperiodofnoncompliance,includingexactdatesandtimesand/oranticipatedtimewhenthedischargewillreturntocompliance;and(3)Stepstakentoreduce,eliminate,andpreventrecurrenceofthenoncomplyingdischarge. PartIIPageII-2c.Toxicorhazardousdischargesasdefinedbelowshallbereportedbytelephonewithin24hoursafterpermitteebecomesawareofthecircumstancesandfollowedupwithinformationinwritingassetforthinCondition3b.within5days,unlessthisrequirementisotherwisewaivedbythePermitIssuingAuthority:(1)NoncomplyingdischargessubjecttoanyapplicabletoxicpollutanteffluentstandardunderSection307(a)oftheAct;(2)Dischargeswhichcouldconstituteathreattohumanhealth,welfareortheenvironment.These-includeunusualorextra-ordinarydischargessuchasthosewhichcouldresultfrombypasses,treatmentfailureorobjectionablesubstancespassingthroughthetreatmentplant.TheseincludeSection311pollutantsorpollutantswhichcouldcauseathreattopublicdrinkingwatersupplies.d.Nothinginthispermitshallbeconstr'uedtorelievethepermitteefromcivilorcriminalpenaltiesfornoncompliance.4.FacilitiesOperationAllwastecollectionandtreatmentfacilitiesshallbeoperatedinamannerconsistentwiththefollowing:.a.Thefacilitiesshallatalltimesbemaintainedinagoodworkingorderandoperatedasefficientlyaspossible.Thisincludesbutisnotlimitedtoeffectiveperformancebasedondesignfacilityremovals,adequatefunding,effectivemanagement,adequateoperatorstaffingandtraining,andadequatelaboratoryandprocesscontrols(includingappropriatequalityassuranceprocedures);andb.Anymaintenanceoffacilities,whichmightnecessitateunavoidableinterruptionofoperationanddegradationofeffluentquality,shallbescheduledduringnoncriticalwaterqualityperiodsandcarriedoutinamannerapprovedbythePermitIssuingAuthority.c.Thepermittee,inordertomaintaincompliancewiththispermitshallcontrolproductionandalldischargesuponreduction,loss,'rfailureofthetreatmentfacilityuntilthefacilityisrestoredoranalternativemethodoftreatmentisprovided.5.AdverseImpactThepermitteeshalltakeallreasonablestepstominimizeanyadverseimpacttowatersoftheUnitedStatesresultingfrom PartIIPageII"34noncompliancewithanyeffluentlimitationsspecifiedinthispermit,includingsuchacceleratedoradditionalmonitoringasnecessarytodeterminethenatureofthenoncomplyingdischarge.6.Bypassing"Bypassing"meanstheintentionaldiversionofuntreatedorpartiallytreatedwastestowatersoftheUnitedStatesfromanyportionofatreatmentfacility.Bypassingofwastewatersisprohibitedunlessallofthefollowingconditionsaremet:a.Thebypassisunavoidable-i.e.requiredtopreventlossoflife,personalinjuryorseverepropertydamage;b.Therearenofeasiblealternativessuchasuseofauxiliarytreatmentfacilities,retentionofuntreatedwastes,ormaintenanceduringnormalperiodsofequipmentdowntime;c.Thepermitteereports(viatelephone)tothePermitIssuingAuthorityanyunanticipatedbypasswithin24hoursafterbecomingaw'areofitandfollows'upwi:thwrittennoti'fication.in5days.Wherethenecessityofabypassisknown(orshoul'dbeknown)inadvance,priornotificationshallbesubmittedtothePermitIssuingAuthorityforapprovalatleast10daysbeforehand,ifpossible.AllwrittennotificationsshallcontaininformationasrequiredinPartII(A)(3)(b);andd.ThebypassisallowedunderconditionsdeterminedtobenecessarybythePermitIssuingAuthoritytominimizeanyadverseeffects.Thepublicshallbenotifiedandgivenanopportunitytocommentonbypassincidentsofsignificantdurationtotheextentfeasible.Thisrequirementiswaivedwhereinfiltration/inflowanalysesarescheduledtobeperformedaspartofanEnvironmentalProtectionAgencyfacilitiesplanningproject.7.RemovedSubstancesSolids,sludges,filterbackwash,orotherpollutantsremovedinthecourseoftreatmentorcontrolofwastewatersshallbedisposedofinamannersuchastopreventanypollutantfromsuchmaterialsfromenteringwatersoftheUnitedStates. PartIIPageII-48.PowerFailuresThepermitteeisresponsibleformaintainingadequatesafeguardstopreventthedischargeofuntreatedorinadequatelytreatedwastesduringelectricalpowerfailureseitherbymeansofalternatepowersources,standbygeneratorsorretentionofinadequatelytreatedeffluent.Shouldthetreatmentworksnotincludetheabovecapabilitiesattimeofpermitissuance,thepermitteemustfurnishwithinsixmonthstothePermitIssuingAuthority,forapproval,animplementationschedulefortheirinstallation,ordocumentationdemonstratingthatsuchmeasuresarenotnecessarytopreventdischargeofuntreatedorinadequatelytreatedwastes.Suchdocumentationshallincludefrequencyanddurationofpowerfailuresandanestimateofretentioncapacityofuntreatedeffluent.9.OnshoreorOffshoreConstructionThispermitdoesnotauthorizeorapprovetheconstructionofanyonshoreoroffshorephysicalstructuresorfacilitiesortheundertakingofanyworkinanywatersoftheUnitedStates.BERESPONSIBILITIES1..RightofEntryThepermitteeshallallowthePermitIssuingAuthorityand/orauthorizedrepresentatives(uponpresentationofcredentialsandsuchotherdocumentsasmayberequiredbylaw)to:a.Enteruponthepermittee'spremiseswhereaneffluentsourceislocatedorinwhichanyrecordsarerequiredtobekeptunderthetermsandconditionsofthispermit;b.Haveaccesstoandcopyatreasonabletimesanyrecordsrequiredtobekeptunderthetermsandconditionsofthispermit;c.Inspectatreasonabletimesanymonitoringequipmentormonitoringmethodrequiredinthispermit;d.Inspectatreasonabletimesanycollection,treatment,pollutionmanagementordischargefacilitiesrequiredunderthepermit;ore.Sampleatreasonabletimesanydischargeofpollutants. PartIIPageII-52.TransferofOwnershiporControlApermitmaybetransferredtoanotherpartyunderthefollowingconditions:a.ThepermitteenotifiesthePermitIssuingAuthorityoftheproposedtransfer;b.AwrittenagreementissubmittedtothePermitIssuingAuthoritycontainingthespecifictransferdateandacknowledgementthattheexistingpermitteeisresponsibleforviolationsuptothatdateandthenewpermitteeliablethereafter.Transfersarenoteffectiveif,within30daysofreceiptofproposal,thePermitIssuingAuthoritydisagreesandnotifiesthecurrentpermittteeandthenewpermitteeoftheintenttomodify,revokeandreissue,orterminatethepermitandtorequirethatanewapplicationbefiled.3.AvailabilityofReportsExceptfordatadeterminedtobeconfidentialunderSection308oftheAct,(33U.S.C.1318)allreportspreparedinaccordancewiththetermsofthispermitshallbeavailableforpublicinspectionattheofficesoftheStatewaterpollutioncontrolagencyandthePermitIssuingAuthority.Asrequiredby.theAct,effluentdatashallnotbeconsideredconfidential.KnowinglymakinganyfalsestatementonanysuchreportmayresultintheimpositionofcriminalpenaltiesasprovidedforinSection309oftheAct(33U.S.C.1319).4.PermitModificationAfternoticeandopportunityforahearing,thispermitmaybemodified,terminatedorrevokedforcause(asdescribedin40CFR122.15etseq)including,butnotlimitedto,thefollowing:a.Violationofanytermsorconditionsofthispermit;b.Obtainingthispermitbymisrepresentationorfailuretodisclosefullyallrelevantfactsc.Achangeinanyconditionthatrequireseithertemporaryinterruptionore1.iminationofthepermitteddischarge;ord.InformationnewlyacquiredbytheAgencyindicatingthedischargeposesathreattohumanhealthorwelfare. PartIIPageII-6Ifthepermitteebelievesthatanypastorplannedactivitywouldbecauseformodificationorrevocationandreissuanceunder40CFR122.15etseq,thepermitteemustreportsuchinformationtothePermitIssuingAuthority.Thesubmissionofanewapplicationmayberequiredofthepermittee.5~ToxicPollutantsa~NotwithstandingPartII(B)(4)above,ifaxiceffluentstandardorprohibition(includinganyscheduleofcompliancespecifiedinsucheffluentstandardorprohibition)isestablishedunderSection307(a)oftheActforatoxicpollutantwhichispresentinthedischargeauthorizedhereinandsuchstandardorprohibitionismorestringentthananylimitationfo"suchpollutantinthispermit,thispermitshallberevokedandreissuedormodifiedinaccordancewiththetoxiceffluentstandardorprohibitionandthepermitteesonotified.b.Aneffluentstandardestablishedforapollutantwhic?isinjurioustohumanhealthiseffectiveandenforceablebythetimesetforthinthepromulgatedstandard,eventhoughthispermithasnotasyetbeenmodifiedasoutlinedin.Condition.5a.6.CivilandCriminalLiabilityExceptasprovidedinpermitconditionsonBypassing",PartII(A)(6),nothinginthispermitshallbeconstruedtorelievethepermitteefromcivilorcriminalpenaltiesfornoncompliance.7.OilandHazardousSubstanceLiabilityNothinginthispermitshallbeconstruedtoprecludetheinstitutionofanylegalactionorrelievethepermitteefromanyresponsibilities,liabilities,orpenaltiestowhichthepermitteeisormaybesubjectunderSection311oftheAct(33u.S.C.1321).8.Statel.awsNothinginthispermitshallbeconstruedtoprecludetheinstitutionofanylegalactionorrelievethepermitteefromanyresponsibilities,liabilities,orpenaltiesestablishedpursuanttoanyapplicableStatelaworregulationunderauthoritypreservedbySection510oftheAct. PartIIPageII-79.PropertyRightsTheissuanceofthispermitdoesnotconveyanypropertyrightsineitherrealorpersonalproperty,oranyexclusiveprivileges,nordoesitauthorizeanyinjurytoprivatepropertyoranyinvasionofpersonalrights,noranyinfringementofFederal,State,orlocallawsorregulations10..SeverabilityTheprovisionsofthispermitareseverable,andifanyprovisionofthispermit,ortheapplicationofanyprovisionofthispermit-toanycircumstance,isheldinvalid,theapplicationofsuchprovisiontoothercircumstances,andtheremainderofthispermitshallnotbeaffectedthereby.ll.PermitContinuationAnewapplicationshallbesubmittedatleast180daysbeforetheexpirationdateofthispermit.WhereEPAisthePermitIssuingAuthority,thetermsandconditionsofthispermitareautomaticallycontinuedinaccordancewith40CFR122;5,providedthatthepermitteehassubmittedatimelyandsufficientapplicationforarenewalpermitandthePermitIssuingAuthorityisunablethroughnofaultofthepermitteetoissueanewpermitbeforetheexpirationdate.C.MONITORINGANDREPORTINGRepresentativeSamplingSamplesandmeasurementstakenasrequiredhereinshallberepresentativeofthevolumeandnatureofthemonitoreddischarge.2.ReportingMonitoringresultsobtainedduringeachcalendarmonthshallbesummarizedforeachmonthandreportedonaDischargeMonitoringReportForm(EPANo.3320-1).Formsshallbesubmittedattheendofeachcalendarquarterandshallbepostmarkednolaterthanthe28thdayofthemonthfollowingtheendofthequarter.Thefirstreportisduebythe28thdayofthemonthfollow'ingthefirstfullquarteraftertheeffectivedateofthispermit. PartIIPageII-8Signedcopiesofthese,andallotherreportsrequiredherein,shallbesubmittedtothePermitIssuingAuthorityatthefollowingaddress(es):lfaterPermitsBranchEnvironmentalProtectionAgencyRegionIV345CourtlandStreet,N.E.Atlanta,Georgia303653.TestProceduresTestproceduresfortheanalysisofpollutantsshallconformtoallregulationspublishedpursuanttoSection304(h)oftheClean'WaterAct,asamended(40CFR136,"GuidelinesEstablishingTestProceduresfortheAnalysisofPollutants").4.RecordingofResultsFor,eachmeasurementorsampletakenpursuanttotherequirementsofthispermit,thepermitteeshallrecordthefollowinginformation:a.Theexactplace,date,andtimeofsampling;b.Theperson(s)whoobtainedthesamplesormeasurements;c.Thedatestheanalyseswereperformed;d.Theperson(s)whoperformedtheanalyses;e.The'nalyticaltechniquesormethodsused;andf.Theresultsofallrequiredanalyses.5.AdditionalMonitoringbyPermitteeIfthepermitteemonitorsanypollutantatthelocation(s)designatedhereinmorefrequentlythanrequiredbythispermit,usingapprovedanalyticalmethodsasspecifiedabove,theresultsofsuchmonitoringshallbeincludedinthecalculationandreportingof,thevaluesrequiredintheDischargeMonitoringReportForm(EPANo.3320-1).Suchincreasedfrequencyshallalsobeindicated. PartIIPageII-96.RecordsRetentionThepermitteeshallmaintainrecordsofallmonitoringincluding:samplingdatesandtimes,samplingmethodsused,personsobtainingsamplesormeasurements,analysesdatesandtimes,personsperforminganalyses,andresultsofanalysesandmeasurements.RecordsshallbemaintainedforthreeyearsorlongerifthereisunresolvedlitigationorifrequestedbythePermitIssuin'gAuthority.D.DEFINITIONS1.PermitIssuingAuthorityTheRegionalAdministratorofEPARegionIVordesignee.2.Act"Act"meanstheCleanWaterAct(formerlyreferredtoastheFederalWaterPollutionControlAct)PublicLaw92-500,asamendedbyPublicLaw95-217andPublicLaw95-576,33U.S.C.1251etseq.3~Mass/DayMeasurementsa.The"averagemonthlydischarge"isdefinedasthetotalmassofalldailydischargessampledand/ormeasuredduringacalendarmonthonwhichdailydischargesaresampledandmeasured,dividedbythenumberofdailydischargessampledand/ormeasuredduringsuchmonth.Itis,therefore,anarithmeticmeanfoundbyaddingthe~eightsofthepollutantfoundeachdayofthemonthandthendividingthissumbythenumber-ofdaysthetestswerereported.Thislimitationisidentifiedas"DailyAvera'ge"or"MonthlyAverage"inPartIofthepermitandtheaveragemonthlydischargevalueisreportedinthe"Average"columnunder"Quantity"ontheDischargeMonitoringReport(DMR)~b.The"average~eeklydischarge"isdefinedasthetotalmassofalldailydischargessampledand/ormeasuredduringacalendarweekonwhichdailydischargesaresampledand/ormeasureddividedbythenumberofdailydischargessampledand/ormeasuredduringsuchweek.Itis,therefore,'narithmeticmeanfoundbyaddingtheweightsofpollutantsfoundeachdayoftheweek"andthendividingthissumbythenumberofdaysthetestswerereported.Thislimitationisidentifiedas"WeeklyAverage"inPartIofthepermitandtheaverageweeklydischargevalueisreportedinthe"Maximum"columnunder"Quantity"ontheDMR.c.The"maximumdailydischarge"isthetotalmass(weight)ofapollutantdischargedduringacalendarday.Ifonlyonesampleistakenduringanycalendarday.theweightofpollutant PartIIPageII-l0calculatedfromitisthe"maximumdailydischarge".Thislimitationisidentifiedas"DailyMaximum,"inPartIofthepermitandthehighestsuchvaluerecordedduringthereportingperiodisreportedinthe"Maximum"columnunder"Quantity"ontheDMR.4,ConcentrationMeasurementsa.The"averagemonthlyconcentration,"otherthanforfecalcoliformbacteria,istheconcentrationofalldailydischargessampledand/ormeasuredduringacalendarmonthonwhichdailydischargesaresampledandmeasureddividedbythenumberofdailydischargessampledand/ormeasuredduringsuchmonth(arithmeticmeanofthedailyconcentrationvalues).Thedailyconcentrationvalueisequaltotheconcentrationofacompositesampleorinthecaseofgrabssamplesisthearithmeticmean(weightedbyflowvalue)ofallthesamplescollectedduringthatcalendarday.Theaveragemonthlycountforfecalcoliformbacteriaisthegeometricmeanofthecountsforsamplescollectedduringacalendarmonth.Thislimitationisidentifiedas"MonthlyAverage"or"DailyAverage"under"OtherLimits"inPartI,ofthe.permitandtheaveragemonthlyconcentrationvalueisreportedunder'the"Ave'rage"columnunder"Quality"ontheD".fR.:b,The"averageweeklyconcentration,"otherthanforfecalcoliformbacteria,istheconcentrationofalldailydischargessampledand/ormeasuredduringacalendarweekonwhichdailydischargesaresampledandmeasureddividedbythenumberofdailydischargessampledand/ormeasuredduringsuchweek(arithmeticmeanofthedailyconcentrationvalues).Thedailyconcentrationvalueisequaltotheconcentrationofacompositesampleorinthecaseofgrabsamplesisthearithmeticmean(weightedbyflowvalue)ofallsamplescollectedduringthatcalendarday.Theaverageweeklycountforfecalcoliformbacteriaisthegeometricmeanofthecountsforsamplescollectedduringacalendarweek.Thislimitationisidentifiedas"WeeklyAverage"under"OtherLimits"inPartIofthepermitandtheaverageweeklyconcentrationvalueisreportedunderthe"Maximum"columnunder"Quality"ontheDMR.c,The"maximumdailyconcentration"istheconcentrationofapollutantdischargedduringacalendarday.Itisidentifiedas"DailyMaximum"under"OtherLimits"inPartIofthepermitandthehighestsuchvaluerecordedduringthereportingperiodisreportedunderthe"Maximum"columnunder"Quality"ontheDMR. PartIIPageII-ll5.OtherMeasurementsa.TheeffluentflowexpressedasM3/day(MGD)isthe24houraverageflowaveragedmonthly.Itisthearithmeticmeanofthetotaldailyflowsrecordedduringthecalendarmonth.WheremonitoringrequirementsforflowarespecifiedinPartIofthepermittheflowratevaluesarereportedinthe"Average"columnunder"Quantity"ontheDMR.b.WheremonitoringrequirementsforpH,dissolvedoxygenorfecalcoliformarespecifiedinPartIofthepermitthevaluesaregenerallyreportedinthe"QualityorConcentration"columnontheDMR.6.TypesofSamplesa.CompositeSample-A"compositesample"isanyofthefollowing'.(l)Notlessthanfourinfluentoreffluentportionscollectedatregularintervalsoveraperiodof8hoursandcompositedinproportiontoflow.(2)Notlessthan,.fourequalvolumeinfluentoreffluentportionscollectedoveraperiodof8hours'tintervalsproportionaltotheflow.(3)Aninfluentoreffluentportioncollectedcontinuouslyoveraperiodof24hoursatarateproportionaltotheflow.b.GrabSample:A"grabsample"isasingleinfluentoreffluentportionwhichisnotacompositesample.Thesample{s)shallbecollectedattheperiod(s)mostrepresentativeofthetotaldischarge.7.CalculationofMeansa.ArithmeticMean:Thearithmeticmeanofanysetofvaluesisthesummationoftheindividualvaluesdividedbythenumberofindividualvalues'.GeometricMean:ThegeometricmeanofanysetofvaluesistheNthrootoftheproductoftheindividualvalueswhereNisequaltothenumberof'ndividualvalues.Thegeometricmeanisequivalenttotheantilogofthearithmeticmeanofthelogarithmsoftheindividualvalues.Forpurposesofcalculatingthegeometricmean,valuesofzero(0)shallbeconsideredtobeone(1). PartIIPageII-12c.WeightedbyFlowValue:Weightedbyflowvaluemeansthesummationofeachconcentrationtimesitsrespectiveflowdividedbythesummationoftherespectiveflows.8.CalendarDaya.Acalendardayisdefinedastheperiodfrommidnightofonedayuntilmidnightofthenextday.However,forpurposesofthispermit,anyconsecutive24-hourperiodthatreasonablyrepresentsthecalendardaymaybeusedforsampling. PartIIIPageIII-1PermitNo.FL0002208PARTIIIOTHERREQUIREMENTSA.Thereshallbenodischargeofpolychlorinatedbiphenylscom-poundssuchasthosecommonlyusedfortransformerfluid.B.ThecompanyshallnotifytheDirector,platerManagementDivisioninwritingnotlaterthansixty(60)dayspriortoinstitutinguseofanyadditionalbiocideorchemicalusedincoolingsystems,otherthanchlorine,whichmaybetoxictoaquaticlifeotherthanthosepreviouslyreportedtotheEnvironmentalProtectionAgency.Suchnotificationshallinclude:1.nameandgeneralcompositionofbiocideorchemical,2.quantitiestobeused,3.frequenciesofuse,4.proposeddischargeconcentrations,and5.EPAregistrationnumber,ifapplicable.C.Plantstormwaterwhichisuncontaminatedbyplantwastesmaybedischargedwithoutlimitationormonitoringrequirements.D.Intakescreenbackwashmaybedischargedwithoutlimitationormonitoringrequirements.E.AllenvironmentalmonitoringreportssubmittedtotheU.S.NuclearRegulatoryCommissionshallbesubmittedtoEPA.F~G.Permitteeshallcontinuetheapprovednon-radiologicalaquaticmonitoringprogram(revisedcontinuationofexistingprogram)whichserveasSt.Lucie1operationalandSt.Lucie2pre-oper-ationalandoperational.TheprogramwillcontinueforatleasttwoyearsafterUnit2beginscommercialoperation.AfterthisperiodtheprogramwillbeevaluatedbythePermitteeandEPAtoassessthecontinuedneedorpossibledeletionand/ormodifi-cationoftheprogram.ReportsshallbesubmittedannuallynotlaterthanApril30oftheyearfollowingthereportingperiod.SubsequenttothecommercialoperationdateofUnit2,heatedwatershallbedischargedfromtheUnit2multiportdischargelinewhenonlyoneunit'isoperating.Periodsofshort-term,one-unitoperationshallnotbesubjecttothisrequirement.NotlaterthanDecember31,1981,aproposedoperationalscheme,includingadefinitionof"short-term",hallbesub-mittedforapprovalbytheDirector,HaterManagementDivisionandStateDirectortoassureconformancewiththeserequire-ments.

PartIIIPageIII-2PermitNo.FL0002208H.Ifanapplicablestandardorlimitationispromulgatedundersections301(b)(2)(C)and(D),304(b)(2),and307(a)(2)andthateffluentstandardorlimitationismorestringentthananyeffluentlimi.tationinthispermitorcontrolsapollutantnotlimi,tedinthispermit,thispermitshallbepromptlymodi-fiedorrevokedandreissuedtoconformtothateffluentstandardorlimitation.I.Permitteeshallimplementamonitoringprogramtoassurecom-pliancewithtemperaturelimitationsprovidedhereinandwiththermalrequirementsoftheFloridaWaterQualityStandards.Suchprogramtoincludefieldsurveys,infraredthermalimagryoverflightsand/orothermonitoringtoassurecompliance.AstudyplanshallbesubmittedforapprovalnotlaterthanthreemonthspriortofuelloadingofUnit2andshallbeexpedi-tiouslyimplementedonapproval.Areportshallbesubmittednotlessthan15monthsafterimplementation.J.PermitteeshallconductachlorineminimizationprogramfortheauxiliarycoolingwatersystemiftheTROconcentrationlevelsattheterminusofthedischargecanalduringcontin-uouschlorinationoftheauxiliarysystem(s)equalorexceed0.02mg/L.Suchstudyifrequired,shallbeconductedgen-erallyinconformancewithtechniquesandconceptspublishedinAppendixA,~68354,October141980>totheextentim-plementableontheauxiliarycoolingsystemattheSt.LuciePlant.Implementationoftheplan,ifrequired,shallbenolaterthan30daysafterthePermitteebecomesawarethattheconcentrationlevelofTROequalsorexceeds0.02mg/L.Briefstatusreportsshallbesubmittedquarterlywiththefirstreportdueattheendofthethirdfullmonthfollowingim-plementationofthestudy.Afinalreportshallbesubmittednotlessthantheendofthefifteenthfullmonthoftheim-plementation, PartIIIPageIII-3PermitNo.FL0002208CopiesofreportssubmittedinaccordancewithPartIII.F.shallbeforwardedbythepermitteeasfollows:NumberofCoiesAddressee212ChieX,WaterPermitsBranch,EPA(Atlanta)Chicf,EcologyBranch,EPA(Athens)FloridaDept.ofEnvironmentalRegulation(Tallahassee)AssistantDirectorforEnvironmentalTechnologyUSNRC(Washington)RegionalDirector,FishandWildlifeService(Atlanta)RegionalDirector,NationalMarineFisheriesService(St.Petersburg)Additionally,twocopiesofallplansandreportssubmittedinaccordancewithPartsIII.G,IandJshallbesubmittedtoFLDER(Tallahassee)andUSEPA(Atlanta)andonecopytoEPA(Athens).L.TheStateofFloridaDepartmentofEnvironmentalRegulationhascertifiedthedischarge(s)coveredbythispermitwithconditions(AttachmentB).Section401oftheActrequiresthatconditionsofcertificationshallbecomeaconditionofthepermit.Themonitoringandsamplingshallbeasindicatedforthoseparametersincludedinthecertification.Anyeffluentlimits,andanyadditionalrequirements,spec-ifiedintheattachedstatecertificationwhicharemorestringentsupersedeanylessstringenteffluentlimitspro-videdherein.Duringanytimeperiodwhichthemorestrin-gentstatecertificationeffluentlimitsarestayedorin-operable,theeffluentlimitsprovidedhereinshallbeineffectandfullyenforceable. ST.LUCIEPLANTWASTEWATERFLOWDIAGRAMATTACHMENTANPDESNo.FL0002208UNITIlSTP006UNITI2DEWATERINGWASTES005INTAKECANALNEUTRALIZATIONBASIN002FLOORDRAINSCONSTRUCTIONAREARUNOFFEVAPORATION/PERCOLATIONPONDSUNITClUNITI2UNITI2STPMETALCLEANINGWASTES003.RADWASTEDISCHARGEIT2004004DISCHARGECANALSTEAMGENERATORCLEAN-UPSYSTEMBLOWDOWN007UNITg2MULTIPORTDIFFUSER008UNIT01PIPEYDIFFUSEATLANTICOCEAN ATTACHMENTBNPDESNo.FL0002208STATEOFFLORIDADEPARTMENTOFENVIRONMENTALREGULATIONTWINTOWERSOFFICEBUILDING2600BLAIRSTONEROADTALLAHASSEE,FLORIDA32301BOBGRAHAMGOVERNORVICTORIAJ.TSCHINKELSECRETARYI~EOffWJanuary27,1982%AVERm'0R~TBRANCHIRZIKlllPJAR29t982PaulJ.TrainaDirector,WaterDivisionU.S.EnvironmentalProtectionAgency345CourtlandStreet,N.E.Atlanta,Georgia30365EPA-REGIONIVATLANTA,GA.

DearMr.Traina:

PursuanttoSection401oftheFederalWaterPollutionControlAct,PublicLaw92-500,asamended,theStateofFloridaherebyissuescertificationto:FloridaPower&LightCompanySt.LucieNuclearPowerPlantUnits1and2St.LucieCountyFL0002208anapplicantforaNationalPollutantDischargeEliminationSystempermit.StatecertificationforUnit1isissuedsubjecttothefollowingconditions:A.Theapplicantmeetsalleffluentlimitations,monitoringandotherrequirementsdevelopedforthereviseddraftNPDESpermitdatedOctober15,1981.B.TheapplicantcomplieswithallapplicablerequirementsofChapter403,FloridaStatutes,andChapter17series,FloridaAdministrativeCode.1.TheconcentrationofpollutantsdischargedfromthisfacilitymustmeetStatewaterqualitystandardsatthepointofdischargeinaccordancewithChapter17-3,F.A.C.,unlessamixingzonehasbeenobtainedinaccordancewithChapter17-4,F.A.C.Ifamixingzonehasbeenapproved,Statewaterqualitystandardswouldapplyattheedgeofthemixingzone.CertainminimumcriteriastillapplytothosewaterslocatedwithinmixingzonesapprovedbytheDepartment(seeSection17<<3.051,F.A.C.).ThemixingzoneisdefinedaccordingtoChapter17-4.244,FloridaAdministrativeCode.ProtectingFloridaandYourQualityofLife PaulJ.TrainaPagetwo2.InaccordancewithChapter17-3.061(2)(j),FloridaAdminis-trativeCode,thefollowingsurfacewaterstandardsshallbemetinthereceivingbodyofwaterexceptwithinzonesofmixing:a.Dissolvedoremulsifiedoilsandgreasesshallnotexceed5.0mg/1.b.Noundissolvedoilorvisibleoildefinedasiridescence,shallbepresenttocausetasteorodor,orotherwiseinterferewiththebeneficialusesofwaters.StatecertificationforUnit2isissuedsubjecttothefollowingconditions:A.Theapplicantmeetsalleffluentlimitations,monitoringandotherrequirementsdevelopedforthereviseddraftNPDESpermitdatedOctober15,1981.B.TheapplicantcomplieswiththetermsandrequirementsoftheconditionsofcertificationinCaseNo.PA-74-02asrevisedon3/12/80andmodifiedon12/7/81(seeAttachmentI)pursuanttoapplicablerequirementsofChapter403,FloridaStatutes,andChapter17series,FloridaAdministrativeCode.Iftheaboverequirementsaremet,thedischargefromthisfacilitywillcomplywithSections301,302,and303oftheFederalWaterPollutionControlAct,asamended.InsofarastheDepartmentcandetermine,therearenofurtherlimi-tationsunderSections306and307oftheActapplicabletothisdischarger.TheDepartmentmaymodifytheeffluentlimitationsandotherconditionsplacedonthisfacilitypursuanttoFederalandStatelaw,shouldfurtherwaterqualityanalysisofthedischarge,itsvolumeandcharacter,togetherwiththeflowandcharacteristicsofthereceivingbodyofwater,indicatethatthedischargewillnotmeetandcomplywithapplicablewaterqualitystandardscontainedinChapter17-3,FloridaAdministrativeCode.ThecorrectaddressforsubmissionofFlorida'scopyoftheDischargeMonitoringReportsis: PaulJ.TrainaPagethreeFloridaDepartmentofEnvironmentalRegulationSouthFloridaSubdistrictBranchOffice2745SoutheastMorningsideBlvd.PortSt.Lucie,FL33452Sincerely,SuneP.WalkerCh,BureauofPermittingSPW:hppcc:Districtw/attachmentApplicantw/attachment PERMITRATIONALEST.LUCIENUCLEARPOWERPLANTUNITS1and2FLORIDAPOWERAtlDLIGHTCOMPANYJANUARY7,1982I.ApplicableRegulationsA.Theproposedconditionsprovideforcompliancewith(1)EffluentGuidelinesandStandardsforthesteamelectricpowergeneratingpointsourcecategory(40CFR423)asromulatedonOctober8,1974(39FederalReister86,andwithroosedguide-snesrevsssonspublishedonOctober,980(45FR68328),forplantchemicalwastes;and(2)atentativedeterminationunderSection316(b)oftheCleanWaterActfortheplantcoolingwaterintake;aswellas,B.ProvisionsoftheFloridaWatergualityStandards(Chapters17-3and17-4FloridaAdministrativeCode).ThereceivingwatershavebeenclassifiedbytheStateofFloridaasClassIII-Recreation-Pro-pagationandManagementofFishandWildlife-Sur-facewaters.II.EffluentLimitationsA.Outthrcoo2.fallSerialNumbers(OSN)001and008-Onceoughcondensercoolingwaterandauxiliarylingwater:Temperature:Dischargetemperatureof45C(113F)attheterminusofthedischargecanal,exceptunderspecificabnormaloperatinqconditionswhenlimitationis47.2C(117F)andtemperature00riseof16.7C(30F)and17.8C(32F),respec-tively.Limitationsareasrequestedbytheapplicantandaresupportedbybiologicalsam-plingdata.Totalresidualoxidants(includestotalresidualchlorine):a.Aninstantaneousmaximumlimitationof0.1mg/1duetocondenserchlorinationforamaximumperiodoftwohoursperdayperunit.Limi-tationisbasedonWatergualityStandardsrequirementswhicharemorestringentthaneffluentguidelines.FloridaStandards(17-4.244(4))precludeamaximumpollutantconcentrationwithinamixingzonewhichexceedstheamountlethalto50percentofthetestorganismsin96hours(96-hrLC50)foraspeciessignificanttotheindigenousaquaticcommunity.The96-hrLC50valueforBlueCrabsof0.10mg/1hasbeenusedtoestablishtheeffluentlimit. b.Aninstantaneousmaximumlimitationsof0.03mg/1duetocontinuouschlorinationofauxiliarycoolingsystemsattimesotherthanduringmaincondenserchlorinationhasbeenincluded,asabestprofessionaljudgement.AminizationstudyisrequiredifTROlevels.fromthissourceexceed0.02mg/1attheterminueofthedischargecanal.c.RequirementsoftheOctober8,1974,promul-~atedandOctober14,1980,roosedregula-tionsandareopenerprovisionavebeenincludedalso.OSN002-Lowvolumewastes:Limitationsareas21dby~)dd~d'123.12()(3).guantitylimstationsarecomputedusingawasteflowof0.72MGD,basedonhistoricalrecordsfromUnit1.OSN003-Metalcleaningwastes:Limitationsare2dy~)d123.12(b)id)d3osed423.13(g),exceptthatabestprofessionalgugementlimitationforphosphorusof1.0mg/1hasbeenincluded.OSN004-Radwaste:Limitationsareasrequired3'123.12(b)[3)2volumewastesusingafowof0.07MGD,basedonhistoricalrecordsforUnit1.NOTE:Theradio-activecomponentofthisdischargeisregulatedbytheU.S.Nuc1earRegulatoryCommissionandisnotsubjecttoNPDESpermittingrequirements.CommentsrelativetotheradioactivecomponentofthisdischargeshouldbedirectedtoNRCandmaynotbeconsideredbyEPAinitspermittingdecisions.OSN005-DewateringWastesfromUnit2Con-struction:Concentrationlimitationsontotalsuspendedsolidsareincludedbasedonbestpro-fessionaljudgementandhistoricalrecords.Duetothehighlyvariablenatureofthiswasteflow,quantitylimitationsarenotprovided.OSN006-Sewagetreatmentplantdischarge:Limitationsaregenerallybasedonsecondarytreatmentrequirements(40CFR102)fordo-mesticwaste.However,theone-daymaximum,limitationsof60mg/1eachfortotalsus-pendedsolidsandbiochemicaloxygendemand(BOD)proposedisextrapolatedfromtheseven-dayaveragelimitationof45mg/1presentedintheregulations.Thisextrapolationwasmadetoconformwiththeproposedmonitoringfrequency.

G.OSN007-Steamcleanupsystemblowdown:Limi-d~1d4{{{{423.12{{{{guantitylimitationsarenotincludedduetotheinfrequentnature(normallyrecycled)andvari-ableflowofthewastestream.H.guantityLimitations:guantity1imitationsarecalculatedasfollows:guantity(lbs/day)=8.345xFlow(NGD)xAllowedConcentration(mg/1)where:8.345istheappropriateconversionfactor,flowsarebasedonhistoricaldatafromUnitIandinformationprovidedbytheapplicant,andcon-centrations(mg/1)areasprovidedinapplicablesubsectionsof40CFR423.I.ProposedPermitPeriod:Fiveyears.TheNPDESpermitrequirescompliancewiththemoststringentrequirementsofeitherthe~ro-mulated(October8,1974)orroosed(Octo-er4,1980)regulations(40CFR23.12,etc.).DataonprioritypollutantshasbeensubmittedfromUnitI.SamplescannotbecollectedfromUnit2wastesourcessincetheUnitisnotyetinoperation.EvaluationofdatasubmittedbytheapplicantforUnitIandexpectedeffluent.qualityfromUnit2,haveledthepermitwritertothetentativeconclusionthatadditionaltreatmentforprioritypollutantsisnotlikelyforanypollutantsandthatafullfive-yearpermitshouldbeissued.However,toassurethatthisjudgementiscorrect,areopenerclauseisincludedinthepermit(PartIII.H.)intheeventthatmorestringentrequirementsareultimatelypromulgatedbyEPA. January29,1982ST.LUCIENUCLEARPLANTBESTTECHNOLOGYAVAILABLE(BTA)FINDINGFORCIRCULATINGWATERSYSTEMMODIFICATIONSABTAfindingoffactfortheexistingintakesystemwascon-ductedbyEPAin1981.Sincethatfinding,FloridaPowerandLightCompany(FPSL)submittedanapplicationproposingathirdcoolingwaterpipelinetocorrectforpredictedheadlossesandreductionsincanalwaterlevelwhenunit2becomesoperational'nformationfoundinEPA'sfindingoffact(1981)anddocumentssubmittedonDecember3,1981byFPSLarethesubstanceofthefollowingfindingsfortheproposedintakestructure.FINDINGSoAnoceanpipelineandchannelextensiontoconveycoolingwaterfromtheAt,lanticOceanintotheexistingintakecanalisproposed.The1515ftlongpipelineis16ftinsidediameter,extends1195ftoffshore,anditisburiedbeneaththedunesandoceanbottom.Thepipewillterminateintoavelocitycapadjacenttotheexistingcaps.Thevelocitycapstructurewillbesimilarinsizeanddesigntotheexistingstructures(EPA,1981).oThenewpipelinewillhaveamaximumdesignflowvelocityofapproximately6.8fps,3.2fpslessthanthevelocityofthetwoexistingpipelines.oThelocationofthevelocitycapsareinahighenergy/lowimpactareaascharacterizedinEPA's(1981)priorfindingoffact.oPermanentlossesinclude1/2acreofmangroveswamppre-emptedforanaccessroadandcanalwidening.Removaloflessthan1/2anacreoftheswamprepresentsabout1%ofthemangrovebetweentheintakeanddischargecanals.oTemporaryimpactsbecauseofconstructionactivitiesinclude14.7acresofdisturbedbenthos,disruptionoflittoralflowofsand,decreasesinturtlenesting,andexcavationofastripofdunevegetationandsandlessthan100ftwide~ oSpecificprovisiondesignedtominimizeimpactcausedbyconstructioninclude:ooconstructionofatemporarybeachdunewhencut-tingthroughthenaturaldunes,oouseofsheetpilingand/orsiltscreensaroundexcavationworktolimitturbidityto<50Jacksonunits,oodisposalofsoilsinanapprovedonshoredisposal,ooaturtlenestsurveillanceandrelocationprogramonthoseareasofbeachpotentiallyaffectedbyconstructionactivity,andooduneareacontoursrestoredtopre-constructionconditions,andthedisturbedareasreplantedwithnativedune-stabilizingspecies.OPINIONBasedupontheinformationreceivedfromFP&Landourexperience3.nassessingpowerplantimpactsoverthepastdecade,itisournofopinionaeethtthdsigncapacity,constructionandlocationothth'eanintakestructureoftheSt.LucieNuclearaneirocialcom-reflectsBTAforminimizingadverseimpactstoterrestra.amunitiesandoceanicfishesandinvertebrates.Bincreasedintakecapacityofthispowerplantandecauseoiethepresententrapmentrateofendangeredseatures,isinouropinion,thatthecompanyshouldassesstechnologyaimedatpreventingentrapmentofseaturtlesatthevelocitycapofthisnewstructure.Besttechnologyavailabledoes'notpreclude,inouropinion,additionalimprovementsuponBTAtoprotecten-dangeredspecies.REFERENCESEPA,1981.St.LucieNuclearPlant316(b)FindingforBestTech-nologyAvailable.RegionlV,Atlanta,Georgia.FP&LtransmittalofinformationtoMr.Traina,DirectectorofWaterManagementDivision.December3,1981. 1August15,1981ST.LUCIENUCLEARPLANT316(b)FindingforBestTechnologyAvailableSection316(b)ofP.L.95-217requiresthatthelocation,design,constructionandcapacityofcoolingwaterintakestructuresreflectthebesttechnologyavailable(BTA)forminimizingadverseenvironmentalimpacts.DecisionsrelatingtoBTAaretobemadeIonacase-by-casebasisusingsuchfactorsassizeandtypeofwaterbodyandrelativemagnitudeofflowwithdrawnforcooling(40CFR,Pt.402).ThroughdeliberationsbetweenFloridaPowerandLightCompany(FPL)andseveralgovernmentagencies,BTAwasdeterminedfortheSt.LucieNuclearPlantintakesystempriortoplantoperation.FINDINGSThe2-unit1612netNWSt.LucieNuclearPlantislocatedona1130-acresiteofHutchinsonIsland,Floridaapproximatelymid-waybetweenFt.PierceandSt.Lucieinlets.ThenuclearplantisboundonthewestbytheIndianRiverandontheeastbytheAtlanticOcean.Thecondensercoolingwaterisprovidedbyaonce-throughIcirculatingwatersystemwhichconsistsofintakeanddischarge Ipipesintheoceanlinkedbycanalstothenuclearplant.TheoceanintakeforUnits1and2islocated1200ftfromtheAtlanticshorelineinahighenergy/lowimpactareacharacterizedbywaterturbulenceandshiftingsandorsand-shellsubstratewithalackofbottomcoveroroutcroppings.Theunstablesubstrateprecludestheestablishmentofmacrophytesorattachedbenthiccommunities.Fromtheoceanintakepoint,waterisdrawnthrough2buriedpipe-lines(I.D.-12.0ft)at10fpstotheintakecanal.This300-ftwidecanalhecfins450ftwestoftheshorelinewhereitfunnelsthecoolingwatersome500fttothenuclearplantintakestructures(barsandscreens).Pumpsatthenuclearplantprovideadesignflowof2290cfs(5.62x10~m3/day)forcondensercoolingthroughthenuclearplant.Approachvelocitiestoeachof8travelingscreensarelessthan1.0fps.Travelingscreenwashingsaresluicedtoatrashpitwhereorganismsandtrasharecollectedfordisposal.Thetopoftheoceanintakes(Figure1)aresituatedapproxi-mately8ftbelowthewatersurfaceatmeanlowwater.Averticalsectiontopreventsandingandbottomorganismmigrationandavelocitycaptominimizefishentrapmentwereinstalledforeachpipe.Pre'sently,withoneunitoperating,horizontalintakevelocitiesare0.5fps;withbothunits,velocitieswillincrease. .ltoapproximately1.0fps.ThedesignoftheoceanintakeissimilartothatemployedbySouthernCaliforniaEdisonCompanyattheirElSegundofossilfuelplant.AtElSegundo,272tonsoffishwereentrappedduringthefirstyearofoperationwhennovelocitycapwasusedandtheflowvectorsenteringthein-takewereverticallydownward.Afterinstallationofavelocitycapwithmaximumdesignflowsof3.5fps,only15tonsoffishwereentrappedinthefollowingyear(94.5%reduction)(USAEC,1974)~Velocity~capsaredesignedtoprovideflowrateinahori-zontalradialdirectionbecausefisharefamiliarwithhorizontalvelocities,andtheyusuallywilltendtoswimagainstacurrentevenwhentheirnetmovementisdownstream.Verticalvelocities<however,arenotcommonlyfoundinnature,andadetectionresponsemechanismdoesnotseemtoexistfortheminfishes(USAEC,1974)~TheFloridaDepartmentofNaturalResources'iamiResearchLaboratoryinconjunctionwithFPLconductedpreoperationalbase-lineenvironmentalstudiesofthemarineenvironmentadjacent,totheSt.LucieNuclearPlantfromSeptember1971toJuly1974-In1975,AppliedBiology,Inc.continuedthemonitor'ingthrough1980.Unit1wasplacedon-linein1976.Thenuclearplantwasbaseloadedthroughout1977,1978,1979and1980.Monitoringinformationpertainingtoentrapmentoffishesandinvertebratesovertheyearsshowsthat: IoTheprimarycommercialfishesinSt.LucieandMartinCountiesareSpanishMackerel,KingMackerel,andBlue-fish.Duringthepast5years,only5SpanishMackerel;10KingMackereland24BluefishhavebeencollectedintheintakecanalbygillnettingdesignedtodetermineaccumulationsoffishesandshellfishesinthecanalsoThegreatestyearlycanalcatchoverthepast5yearswas1501fishin1980.TotalestimatedfishbiomasslosttotheAtlanticOceanthatyearwas6818kgorabout0.2%oftheSt.LucieandMartinCountycommercialcatches.Atotalof121shellfishweighing42.5kgwasalsocollectedduringthesameperiod.oFivespeciesofmarineturtlesarefoundalongHutchinsonIsland.ThemostcommonistheAtlanticloggerheadturtlefollowedbythegreenturtle,leatherbackturtle,hawksbillturtle,andtheAtlanticRidleyturtle.TheleatherbackturtleandtheFloridapopulationofgreenturtlesareclassifiedasendangeredspeciesbytheFederalGovernmentECFR41(208):47180-47198;CFR43:32,808j,andallmarineturtlesareprotectedbyFloridaStatute307.12;1974. oTotalseaturtleentrapmentintheSt.Lucieintakecanalovera6-yearperiodamountedto572loggerheads,51greens,6leatherbacks,1hawksbill,and1AtlanticRidley~Annualentrapmentofall5specieshasrangedfrom0to173'Ichthyoplanktonwasgenerallyabundantduringthespringandsummerofeachyear.Themostcommonlarvalfisheswereherringsandanchovies.Eggsandlarvaecollectedaveragedfrom0.13to5.50/m3ascomparedtothebaselinesamplingof0.23/m3.TheseconcentrationsaresubstantiallyIlowerthanconcentrationsfoundinamoreproductivearea,theupperIndianRiver,wheremeandensitiesofeggsandlarvaewere132.83/m3(AppliedBiology,Inc.andRayL.LyerlyandAssociates,1980).o,Averageeggandlarvalpopulationsintheintakecanal(0'89eggs/m3and0.080larvae/m3)werelowerthanaveragepopulationsfoundoffshore.oToputtheimpactofentrainmentintoperspective,anoffshoreboundarywasdeterminedfortheregionfromwhichichthyoplanktonispotentiallywithdrawnbythenuclear plant.ThedistancebetweenthedesignatedoffshoreboundaryIandtheshorelineis3500mandtheaveragedepthis9.2mforacalculatedcross-sectionalareaof32,200mThepercentagelossestimatesfrom1976through1980forfisheggsrangedfrom0.13to0.50andforfishlarvaelossesranged.from0.01%to0.18%.EcologyBranchstaffhasbeenassessingpowerplantimpactsoverthepastdecade.Thereisnothinginthemonitoringinfor-mationreviewedthat,inouropinion,warrantsadetailed316(b)studynorthecontinuedmonitoringoftheintakeforfishesandinvertebrates.Thedesign,capacityandlocationoftheoceanin-takestructureoftheSt.LucieNuclearPlantreflects,inouropinion,BTAforminimizingadverseimpactsupontheseorganisms.lnviewofthedecliningworldpopulationsofmarineturtles,theHutchinsonislandturtlerookeryisofspecialimportanceinmaintainingmarineturtlepopulations.Becauseofthenuclearplant'slocationonHutchinsonXslandandtheprotectedstatusofseaturtles,itisouropinionthatcontinuedmonitoringofturtleentrapmentisnecessarytofullyevaluateintakelocation,designandcapacity. REFERENCEAppliedBio1ogy,Inc.andRayL.LyerlyandAssociates.1980.BiologicalandenvironmentalstudiesattheFloridaPowerandLightCo.CapeCanaveralPlantandtheOrlandoUtilitiesCommissionIndianRiverPlant.Vol.I.U.S.AtomicEnergyCommission.1974.FinalEISrelatedtocon-structionofSt.LuciePlantUnit2,FloridaPowerandLightCompanyDocketNo.50-389. VELOCITYCAPWARNINGSIGNALSTEELROOFDECKINGSHEETPILING.'.c'!i.-'."':'.~p~~leIIIIID-I2'~,MEANLOWWATERELa0.00INTAKEFLOWsl~,J~,l,"~.,~~'~1200'ROMCENTERTOSHORELINEFIGUREl.OCEANINTAKESTRUCTURE seP.O.BOX529I00MIAMI,FL33I52IQGNovember9,1981-~~',tA~.FLORIDAPOWERStLIGHTCOMPANYMr.CharlesKaplanUS-FPARegionIV345CourtlandStreetAtlanta,GeorgiaRe:CommentsonSt.LuciePlantNPDESPermitPublicNotice

DearCharlie:

FPLhasreviewedthesubjectdocumentdatedOctober15,1981andsubmitsthefollowingcommentsforyourconsideration:1)FirstpageofPermitRationale,ItemII.A.1.Itissuggestedthatlanguagebeaddedtothisitemspecifyingthatcompliancewiththesethermallimitationswillbedemonstratedattheterminusofthedischargecanal.2)SecondpageofPermitRationale,ItemII.A.2.b.Thisitemshouldbeamendedasfollows:......dischargeattimesotherthandurinmaincondenserchlorination.3)PageI-3IncolumnentitledEffluentCharacteristic,changeCondenserChlorineAdditiontoCondenserChlorine~Disohare.Lastparagraph,firstsentenceshouldbeamendedtoread....AtlanticOceanattimeswhenonlthissourceisbeinchlorinated.4)PageI-4Firstparagraphthirdsentenceshouldbeamendedtoread.....0.1mg/Lattheterminusofthedischarecanal.Secondparagraph,addthefollowingafterthesecondsentence;ThisreuirementaliesonlifaninstrumenthasdemonstratedsuecessFuloerationasreuiredbthelastaraahaeI-lofthisermit.Sincerely,e.~Mp>(W.J.Barrow,Jr.ManagerofPermittingandProgramsWJBjr:ADB:kuPEOP.SERVINGPEOPLE anuary29,1982ResponsetoCommentsSt.LucieNuclearPowerPlantNPDESPermitNo.FL0002208A.FloridaPowerandLightCompany,November9,1981.1.Revisionincluded.2.Revisionincluded.3a.RevisionnotincludedperdiscussionswithNr.FrankM.GavilaoftheFP&Lstaff.AsstatedinFootnote2PageI-2andthemiddleparagraph(beloweffluentlimi-tations)onPageI-3,itistheAgencyintenttolimitonlythedischargeofTROfromcondenserchlorinationtotwohoursperdayperunit.However,ithasbeenagreedbetweenEPAandFP&Lstaffthatformonitoringpurposes,itwaseasiertodocumentthetimeofchlorineadditionwhichisapproximatelyequaltothetimeofdischarge.AtsomefuturetimeshouldFP&LprefertoanalyzeforTROinthecondensereffluenttodocumentthatTROisbeingdischargedforonlytwohoursperdayperunit.EPAwouldconcur.3b.RevisionincludedbutwithreferencetoSewageTreatmentPlant(PageI-1also).4a.Revisionincluded.4b.Revisionnotincluded.EPAconcursthatuseofacon-tinuousrecorderwillonlybeapplicableifdemonstratedsuccessful.ThereferencedparagraphonPageI-1isidenticaltothatonPageI-4. P.O.BOX529I00IlI'.;I,FL33152FLORIDAPOWER&LIGHTCO.1September15,1981Mr.MichaelTaimi,ChiefConsolidatedPermitsBranchU.S.E.P.A.,RegionIV345CourtlandSt.,¹E.Atlanta,Georgia30308Re:St.LucieUnitNo.1NPDESNo.FL0002208

DearMr.Taimi:

ThistransmittalconstitutesanofficialrequesttoamendFPRL'sSt.LucieUnitNo.1NPDESapplicationdisclosingFPRLIsintentiontocontinuouslychlorinatetheauxiliarycoolingsystemsforUnitNo.1.FPRLhaddeterminedthatcontinuousanddirectlowlevelchlorinationofthesesystemsisthemostefficientmannertopreventtheauxiliaryheatexchangerfromexperiencingbiofoulingproblems.FPRLmayinstitutecontinuouschlorinationofthesesystemsasearlyasNovember1981.FPRLestimatestherevillbenomeasurabledischargeofchlorinetotheAtlanticOceanasaresultofthisactivitynorwilltherebeanyadverseenvironmentalimpacttothereceivingbodyofwater.Shouldtherebeaneedofclarificationoftheabovedisclosure,pleasehaveyourstaffcontactFrankM.Gavilaattelephone305-552-3568.Sincerely,RobertE.UhrigYicePresidentAdvancedSystemskTechnologyREU:FMG:dccc:BuckOvenStateofFloridaDER ST.LUCIEPLANTAUXILIARYCOOLINGWATERSYSTEMCHLORINEMONITORINGPROGRAMInitialStartupofAuxiliaryCoolingWaterSystemChlorinationat24hr./dayschedule.Day1TRCTestLocationsHeatExchangerOutletEndofUnit2DischargeCanalTerminusofFacilityDischargeCanalBlankonIntakeWaterRecordChlorinatorFlowRateFreauenc2/day2/day1/hour2/day12/dayIfTRCisdetectableattheterminusofthefacilitydischargecanalduringtheinitial1.5hrs.ofchlorination,injectionofchlorineto.theauxiliarysystemchlorinationwillbeterminatedforDay1andresumedonDay2atlowerdoserate.Day1procedurewillbefolloweduntilsuchtimethatnoTRCisdetectableatterminusofdischargecanalutilizingaperometrictitrationtestmethod.Day2throughDay7TRCTestLocationsHeatExchangerOutletEndofUnit2DischargeCanalTerminusofFacilityDischargeCanalBlankonIntakeWaterRecordChlorinatorFlowRateDay8through2MonthsTRCTestLocationsHeatExchangerOutletEndofUnit2DischargeCanalTerminusofFacilityDischargeCanalBlankonIntakeWaterRecordChlorinatorFlowRateFreuenc2/day2/day6/day2/day12/dayFreuenc1/day1/day1/day1/2weeks6/dayEvaluationoftestresultstobemadeconcurrentlywithtestprogramfromDay1through2months.FP&LwillreportpriortocompletionofthetestperiodtoEPAviatelephoneresults,generalconclusionsdrawnfromresultsandproposedscheduleofmonitoringbeyondthetwomonthtestperiod.

AUXILILARYSYSTEMCHLORINEMINIMIZATIONSTUDYGUIDELINESTheeffectivenessofchlorinetreatmentontheauxiliarycoolingwaterheatexchangerswillbeexaminedusingthefollowingtechniques:1)Visualobservationsofheatexchangersduringmaintenanceoutagesincludingphotographsandmaintenancecleaningrecords.2)Measurementofpressuredifferentialsbetweeninletandoutletsidesofheatexchanger.3)Correlationofchlorinedoserateswithresultsofvisualobservationsandmeasurementofchlorioneconcentrationsattheterminusofthedischargecanal. Lv}}