ML17329A096

Final NPDES Notification Re Exceeding Heat Addition Effluent Limitation on 910701-05 on Outfall 001 & 002. Cause Under Investigation.Power Reduction Initiated on 910705 to Meet Limitations

ML17329A096
Person / Time
Site:	Cook
Issue date:	07/11/1991
From:	WALTERS W E INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	MORLEY F MICHIGAN, STATE OF
References
NUDOCS 9107240110
Download: ML17329A096 (3)

Text

ACCELERATED DISTRIBUTION DEMONS~TION SYSTEMREGULATORY INFORMATION DISTRIBUTION SYSTEM(RIDS)ACCESSION NBR:9107240110 DOC.DATE:

91/07/11NOTARIZED-NODOCKETFACIL:50-315 DonaldC.CookNuclearPowerPlant,Unit1,Indiana&0500031550-316DonaldC.CookNuclearPowerPlant,Unit2,Indiana605000316AUTH.NAMEAUTHORAFFILIATION WALTERS,W.E.

IndianaMichiganPowerCo.(formerly Indiana6MichiganEleRECIP.NAME RECIPIENT AFFILIATION MORLEY,F.

Michigan, Stateof

SUBJECT:

Informsthatfinalevaluation ofthermaldischarge performance dataonJuly10hasrevealedthatheatadditioneffluentlimitation wasexceededon910701-05.Cause ofexceedances currently beinginvestigated.

'ISTRIBUTION CODE:IE23DCOPIESRECEIVED:LTR 2ENCL8SIZE:TITLE:Environmental EventReport(perTechSpecs)NOTESRDRECIPIENT IDCODE/NAME PD3-1LACOLBURN,T.

INTERNAL:

NRR/DREP/PEPB9D OGC/HDS2RGN3EXTERNAL:

NRCPDRCOPIESLTTRENCLRECIPIENT IDCODE/NAME PD3-1PDNRR/PMAS/KLRB12 PE:'QRGN2/DRS/EPRPBNSICCOPIESLTTRENCLDDDNOTETOALL"RIDS"RECIPIENTS:

DDPLEASEHELPUSTOREDUCEWASTE!CONTACTTHEDOCUMENTCONTROLDESK,ROOMPl-37(EXT.20079)TOELIMINATE YOURNAMEFROMDISTRIBUTION LISTSFORDOCUMENTS YOUDON'TNEED!TOTALNUMBEROFCOPIESREQUIREDLTTR13ENCL~0

~4J*0Cj't~ql IndianaMichiganPowerCompanyOneSummitSquareP.O.Box60FortWayne,IN468012194252111FredMorley,DistrictSupervisor SurfaceWaterQualityDivisionMichiganDepartment ofNaturalResources 621North10thStreetP.0.Box355Plainwell, Michigan49080INDIANANICHIGANPOMfERJulyll,1991

DearMr.Morley:

RE:NPDESPermitNo.MI0005827 CookNuclearPlantBridgman, MichiganFinalevaluation ofthermaldischarge performance dataonJuly10hasrevealedthattheheatadditioneffluentlimitation of15.5x10BTU/hr.wasexceededonJuly1through5,1991,onOutfalls001and002.July1234515.624x10915.817x10915.646x10915.522x10915.599x109BTU/hr.BTU/hr.BTU/hr.BTU/hr.BTU/hr.Thecauseoftheexceedances iscurrently beinginvestigated.

ElevatedLakeMichiganwatertemperatures andfouledcondensers arethoughttobecontributing factors.Powerreduction wasinitiated onJuly5tomeettheheatadditionlimitation whenweinitially becameawareofthisdeveloping situation.

Wewillcontinuetoinvestigate thecauseandmonitorthiscondition toensurecompliance.

Verytrulyyours,W.E.WaltersExecutive Assistant WEW/sdb/018 c:A.B.Davis-NRCRegionIIIJ.A.Isom-NRRResidentInspector Dr.T.E.Murley-NRRNRCDocumentControl9i07240iiO 9i07ii'PDRADOCK05000315FDF"gpfP