ML17331B331
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| ML17331B331 | |
| Person / Time | |
|---|---|
| Site: | Cook  |
| Issue date: | 03/30/1994 |
| From: | FITZPATRICK E INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG |
| To: | MARTIN J B NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| AEP:NRC:1208A, NUDOCS 9404080044 | |
| Download: ML17331B331 (4) | |
Similar Documents at Cook | |
|---|---|
Category:NPDES NONCOMPLIANCE NOTIFICATION
MONTHYEARML17326A1191999-09-10010 September 1999
[Table view]NPDES Noncompliance Notification:On 990909,unnatural Turbidity Was Observed at Cook Plant Outfall 001 & 002. Caused by Bentonite Clay Being Fed Into Discharge Vaults During Molluscicide Treatment.Terminated Clay Feed ML17326A0431999-07-0909 July 1999 NPDES Noncompliance Notification:On 990707,unnatural Turbidity Was Observed at Outfall 002.Caused by Bentonite Clay Being Fed Into Discharge Vaults During Molluscicide Treatment.Clay Feed Was Terminated on 990708 ML17326A0421999-07-0909 July 1999 NPDES Noncompliance Notification:On 990707,sample Taken Showed Residual Clam-Trol CT-2 Value of 0.17 Ppm.Caused by Interruption of Clay Feed to Unit 1 Discharge Vault.Valve Was Cleared & Clay Feed Was re-established ML17335A1441998-07-31031 July 1998 NPDES Noncompliance Notification:On 980623,ice-making Sys Discharge Line Developed Leak & Oversprayed Containment Spillings Approx 50 Gallons.Caused by Vibration & Wear Against Line.Discharge Line Supports Have Been Redesigned ML17334B8161998-07-0808 July 1998 NPDES Noncompliance Notification:On 980617,discovered Lube Oil Discharge.Caused by Leaking Tubes Due to Corrosion of Tubes.Leaking Tubes Repaired & Established Insp/Preventive Maint Program for Lube Oil Coolers ML17334B7571998-04-27027 April 1998 NPDES Noncompliance notification:980327,boiler Condensate Spill Occurred.Caused by Small Amount of Condensate on Metal Skirting Surrounding Containment Berm.Failed Condensate Valve Was Replaced ML17334A6861998-03-13013 March 1998 NPDES Noncompliance Notification:On 980209,boiler Condensate Spill Occurred.Caused by Failed Sight Glass on Rental Plant Heating Boiler.Replaced Site Glass & Installed Plexiglass Shield Around Site Glass to Protect Operators ML17334A5881997-12-0909 December 1997 NPDES Noncompliance Notification:On 971108 Plant Personnel Chlorination Sys Was Shut Down,Due to Valve Lineup Error Made During Startup of Continuous Chlorination After Shutdown.Corrected Lineup & Repositioned Valve ML17333A3881996-03-13013 March 1996 NPDES Noncompliance Notification:On 960310,continuous Ph Monitoring of Outfall 00D(turbine Room Sump)Interrupted. Caused by Electronic Failure of Monitoring Instrumentation. Grab Samples Performed & Monitor Recalibrated on 960311 ML17333A3871996-02-28028 February 1996 NPDES Noncompliance Notification:On 960226,continuous Ph Monitoring of Outfall 00D(Turbine Room Sump) Interrupted. Caused by Fouling of Ph Instrumentation Glass Electrode. Electrode Cleaned & Ph Monitor Returned to Svc ML17332A9791995-09-21021 September 1995 NPDES Noncompliance Notification:On 950916,unnatural Turbidity Observed at Plant Outfalls 001 & 002 During Molluscicide Treatment at Plant.Preventive Actions Not Possible Due to Detoxificaion Requirements in NPDES Permit ML17332A9551995-09-0808 September 1995 NPDES Noncompliance Notification:On 950829,hydraulic Oil Spill Occurred While Divers Using Hydraulic Brushes to Remove Zebra Mussels from Plant Screenhouse Intake Forebay Walls.Oil Absorbent Booms Deployed Into Forebay ML17332A9541995-09-0707 September 1995 NPDES Noncompliance Notification:On 950831,determined That Discharge from Outfall 00C (Heating Boiler Blowdown) Exceeded Concentration of Monethanolamine Submitted in NPDES Application Due to Valve Being Aligned in Open Position ML17332A8301995-06-0808 June 1995 NPDES Noncompliance Notification:On 950530,spill of Ethylene Glycol Occurred When Contracted Svc Technician Troubleshooting Portable Welding Machine.Ethylene Glycol Coolant Replaced W/Propylene Glycol Coolant ML17332A6991995-03-23023 March 1995 NPDES Noncompliance Notification:On 950205 to 16,33 Wild Ducks Entrained in Intake Cribs & Subsequently Collected on Intake Screens within Screenhouse.Suspect Ducks Entrained While Feeding on Zebra Mussels ML17332A6961995-03-20020 March 1995 NPDES Noncompliance Notification:On 950301,bypass Discharge from Turbine Room Sump Through Emergency Over Flow Piping Into Intake Forebay to Lake Michigan ML17331B3311994-03-30030 March 1994 NPDES Noncompliance Notification:On 940303,determined HVAC Sys Leaking Water Containing Approx 1,000 Mg/Liter Sodium Nitrite at Calculated Rate of 0.5 Gpm ML17331A8841993-06-0808 June 1993 NPDES Noncompliance Notification:On 930526 Chlorine Exceedance Incorrectly Stated Event Occurred on May 21 Instead of Actual Date of May 19.Licensee Apologizes for Inconvenience Error May Have Caused ML17331A1251993-03-24024 March 1993 NPDES Noncompliance Notification:On 930322,plant Personnel Discovered Small Oil Sheen at North Storm Water Outfall 001S.Oil Residue from Parking Lot Gradually Entered Lake Michigan.Oil Absorbent Booms in Place at Outfall ML17329A6821992-11-12012 November 1992 NPDES Noncompliance Notification:On 921109,review of Records Determined That First Quarter 1992 Samples for Stormwater Outfall 001S Not Collected.Quarterly Sampling Requirement Added to Computerized Tracking Sys ML17329A5521992-07-0202 July 1992 NPDES Noncompliance Notification:On 920630,minor Inadvertent Discharge of Treatment Chemical Clam-trol CT-1 May Have Occurred.Fire Protection Clam-trol Treatment Was Suspended Immediately & Will Not Be Resumed Until Alterations Made ML17329A5481992-06-29029 June 1992 NPDES Noncompliance Notification:On 920624,grab Sample of Outfall 002 Circulating Water Discharge Indicated TRC Concentration of 0.33 mg/1.Caused by Flow Balance Between Plant Sys.Unit 1 in Shutdown Condition ML17329A5401992-06-10010 June 1992 NPDES Noncompliance Notification:On 920606,grab Sample of Outfall 002 Circulating Water Discharge Indicated Total Residual Chlorine Above Timits.Caused by Manfunctioning Svc Water Flow Meter.Flow Meter Will Be Replaced ML20086T9911992-01-0303 January 1992 Noncompliance Notification:On 911219,approx 400 Diving Ducks Collected in Circulating Water Sys Screenwash Baskets.Caused by Abundant Food Supply Provided by Circulating Water Discharge.Flow Rates Reduced ML17329A3231991-12-10010 December 1991 NPDES Noncompliance Notification:On 911129,discovered That HX Associated W/Component Cooling Water Sys Leaking & Drop in Sys Surge Tank Level Occurred.Approx 5,300 Gallons of Water Leaked from Sys.Hx Isolated for Repairs ML17329A0961991-07-11011 July 1991 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 ML17328B0091991-04-0909 April 1991 NPDES Noncompliance Notification:On 910327,automatic Temp Recorder for Outfall 001 Failed & No Temp Measurements Recorded from 910328-31.Plant Procedures Will Be Revised to Describe Compensatory Sampling Measures in Event of Failure ML17334B3961991-02-26026 February 1991 NPDES Noncompliance Notification:On 910220 & 21,unmonitored Discharges Occurred from Turbine Room Sump.Caused by Inoperable Ph Meter.Turbine Sump Room Isolated & Job Order Written to Repair Meter ML17328A7641990-10-30030 October 1990 NPDES Noncompliance Notification:On 901025,five Unmonitored Discharges from Turbine Room Sump Occurred Releasing 250,000 Gallons of Water.Caused by Downstream Blockage of Flow to TRS Sample Line.In Interim,Ph Sampling Performed ML17325B3311989-11-0707 November 1989 Notifies That Total Recoverable Petroleum Hydrocarbons Sample Collected on 891006 Contained 0.9 mg/1 Trph.Util Believes Amount to Be Anomalous Value ML17326B5701989-03-0909 March 1989 NPDES Noncompliance Notification:Prefilter Backwash Limitations Exceeded for Feb 1989.Plan to Ensure Future Compliance W/Npdes Permit Requirements Will Be Submitted to Plainwell District Ofc ML17326B5541989-03-0606 March 1989 NPDES Noncompliance Notification:On 890224,leak Found in Main Turbine Lubricating Oil Coolers.Cause Not Stated. Leaking Cooler Isolated & Tube Plugged & Eddy Current Testing Performed to Determine Integrity of Remaining Tubes ML17326B4981988-11-18018 November 1988 NPDES Noncompliance Notification:On 881114,sample of Prefilter Backwash Effluent (Outfall 00F) Analyzed for Suspended Solids & Indicated 171 mg/1.Rough Lake Conditions Stirred Bottom Sediments Coming Into Plant Intake Water ML17326B4941988-11-0707 November 1988 NPDES Noncompliance Notification:On 881031,prefilter Backwash Discharge (Outfall 00F) Indicated Suspended Solids Concentration of 138 Mg/L ML17325A9811988-10-0505 October 1988 NPDES Noncompliance Notification:On 880919,water Makeup Prefilter Backwash Sample Exceeded Limitations.Caused by High Solids in Intake from Lake Michigan.Plant Personnel Reminded About Need to Evaluate & Rept Analyses Promptly ML17325A9291988-09-13013 September 1988 NPDES Noncompliance Notification:On 880910,Unit 1 Discharged Taken During Circulating Water Chlorination Showed Chlorine Concentration of 0.135 Mg/L.Caused by Temporary Reduced Water Flow Through Sys.Pump Chlorine Feed Reduced ML17325A8441988-06-15015 June 1988 NPDES Noncompliance Notification:On 880602,oil Spill of Approx 300 Gallons from Underground Storage Tank Occurred. Cleanup & Recovery Measures Underway.Repairs Will Be Made to Leak Area.Cleanup Will Be Completed by 880617 ML17325A4911987-11-23023 November 1987 NPDES Noncompliance Notification:On 871117,analysis of Grab Sample of Unit Discharge Taken During Circulating Water Chlorination Showed Total Residual Chlorine Concentration Above Limits.Caused by Vibration Causing Valve to Close ML17325A2961987-09-14014 September 1987 NPDES Noncompliance Notification:On 870901,spill from Turbine Room Sump,Outfall 00D Occurred.Approx 9,000 Gallons of Water Overflowed to Lake Michigan.Grab Sample Indicated Ph of 6.57 & No Trace of Oil & Grease.Caused by Repairs ML17325A2681987-08-11011 August 1987 NPDES Noncompliance Notification:On 870805,chlorination of Circulating Water Commenced Due to Biological Fouling.Total Residual Chlorine Levels Recorded on 870805,08 & 09 Listed ML17334B1161987-07-0606 July 1987 NPDES Noncompliance Notification:On 870630,monitoring Turbine Room Sump Process Ph Meter Found to Be Inoperative. Turbine Room Sump May Have Discharged to Absorption Pond During Previous 5 H W/O Continuous Monitoring ML17325A0831987-04-27027 April 1987 NPDES Noncompliance Notification:On 870410,oil Entered Yard Drain When Pressurized Tank Sprayed Out 10 Gallons Number 2 Fuel Oil During Attempt to Measure Level in east-middle Heating Boiler Fuel Oil Tank.Cleanup Began Immediately ML20213G9891986-11-14014 November 1986 NPDES Noncompliance Notification:On 861107,recording Instrument from Which Circulating Water Intake & Discharge Temps Obtained Failed.Caused by Faulty servo-motor.Recording Instrument Repaired & Returned to Svc ML20214P9961986-09-0909 September 1986 Corrected NPDES Noncompliance Notification:On 860903,turbine Room Sump Overflowed Into Circulating Water Sys Intake Forebay.Caused by Airlocked Suction Lines.Grab Sample Taken. Condition Rept Will Determine Corrective Action ML17324A9981986-07-14014 July 1986 NPDES Noncompliance Notification:On 860709,discovered That Grab Sample for Suspended Solids Not Obtained for Steam Generator Blowdown During 860629 Startup.Blowdown Sys Used for Weekly Sampling Frequency ML20211K5131986-06-19019 June 1986 NPDES Noncompliance Notification:On 860616,during Draining & Cleaning Steam Generators,Suspended Solids Sample from Startup Blowdown Flash Tank Revealed Concentration of 172 Ppm.Probably Caused by Boric Acid ML20205S8491986-06-0202 June 1986 NPDES Noncompliance Notification:On 860528,w/both Nuclear Units Out of Svc,Heating Boiler Started.Blowdown Sample Had Suspended Solids Concentration of 129.Caused by Chemical Shock ML17321A9411985-10-24024 October 1985 NPDES Noncompliance Notification:On 851023,sample Taken of Suspended Solids Concentration Elevated.Caused by Chemical Shock Due to Batch Addition of Chemical Treatment ML20198A8631985-10-24024 October 1985 NPDES Noncompliance Notification:On 851019,steam Generator Found to Have Suspended Solids Concentration of 2,442 Ppm. Caused by Recent Steam Generator Cleaning ML20138N6271985-10-24024 October 1985 NPDES Noncompliance Notification:On 850716,plant Heating Boiler Started While Both NSSS Out of Svc.Blowdown Sample Taken on 851022,contained Suspended Solids Concentration of 169 Ppm.On 851023,sample Contained 195 Ppm 1999-09-10 Category:TEXT-ENVIRONMENTAL REPORTS MONTHYEARML17326A1191999-09-10010 September 1999
[Table view]NPDES Noncompliance Notification:On 990909,unnatural Turbidity Was Observed at Cook Plant Outfall 001 & 002. Caused by Bentonite Clay Being Fed Into Discharge Vaults During Molluscicide Treatment.Terminated Clay Feed ML17326A0421999-07-0909 July 1999 NPDES Noncompliance Notification:On 990707,sample Taken Showed Residual Clam-Trol CT-2 Value of 0.17 Ppm.Caused by Interruption of Clay Feed to Unit 1 Discharge Vault.Valve Was Cleared & Clay Feed Was re-established ML17326A0431999-07-0909 July 1999 NPDES Noncompliance Notification:On 990707,unnatural Turbidity Was Observed at Outfall 002.Caused by Bentonite Clay Being Fed Into Discharge Vaults During Molluscicide Treatment.Clay Feed Was Terminated on 990708 ML17325B6131998-12-31031 December 1998 Annual Radioactive Effluent Release Rept for 980101-1231 for DC Cook Nuclear Plant,Units 1 & 2. ML17335A5241998-12-31031 December 1998 Annual Environ Operating Rept for Jan-Dec 1998 for DC Cook Nuclear Plant,Units 1 & 2. with 990430 Ltr ML17326A1241998-12-31031 December 1998 Revised Page 2 to 1998 Annual Environ Operation Rept, for DC Cook Nuclear Plant,Correcting Omission in App I ML17335A1441998-07-31031 July 1998 NPDES Noncompliance Notification:On 980623,ice-making Sys Discharge Line Developed Leak & Oversprayed Containment Spillings Approx 50 Gallons.Caused by Vibration & Wear Against Line.Discharge Line Supports Have Been Redesigned ML17334B8161998-07-0808 July 1998 NPDES Noncompliance Notification:On 980617,discovered Lube Oil Discharge.Caused by Leaking Tubes Due to Corrosion of Tubes.Leaking Tubes Repaired & Established Insp/Preventive Maint Program for Lube Oil Coolers ML17334B7571998-04-27027 April 1998 NPDES Noncompliance notification:980327,boiler Condensate Spill Occurred.Caused by Small Amount of Condensate on Metal Skirting Surrounding Containment Berm.Failed Condensate Valve Was Replaced ML17334A6861998-03-13013 March 1998 NPDES Noncompliance Notification:On 980209,boiler Condensate Spill Occurred.Caused by Failed Sight Glass on Rental Plant Heating Boiler.Replaced Site Glass & Installed Plexiglass Shield Around Site Glass to Protect Operators ML17334A6941997-12-31031 December 1997 Annual Radioactive Effluent Release Rept for Jan-Dec 1997. ML17334B7671997-12-31031 December 1997 Annual Environ Operating Rept for 970101-1231 for DC Cook Nuclear Plant,Units 1 & 2. W/980427 Ltr ML17334A5881997-12-0909 December 1997 NPDES Noncompliance Notification:On 971108 Plant Personnel Chlorination Sys Was Shut Down,Due to Valve Lineup Error Made During Startup of Continuous Chlorination After Shutdown.Corrected Lineup & Repositioned Valve ML17334B6221996-12-31031 December 1996 Annual Environ Operating Rept for 960101-961231. W/970418 Ltr ML17334B6201996-12-31031 December 1996 Annual Radioactive Effluent Release Rept for Period of 960101-1231. W/970320 Ltr ML17333A8051996-12-31031 December 1996 Number of Personnel & Man-Rem by Work & Job Function. ML17333A3881996-03-13013 March 1996 NPDES Noncompliance Notification:On 960310,continuous Ph Monitoring of Outfall 00D(turbine Room Sump)Interrupted. Caused by Electronic Failure of Monitoring Instrumentation. Grab Samples Performed & Monitor Recalibrated on 960311 ML17333A3871996-02-28028 February 1996 NPDES Noncompliance Notification:On 960226,continuous Ph Monitoring of Outfall 00D(Turbine Room Sump) Interrupted. Caused by Fouling of Ph Instrumentation Glass Electrode. Electrode Cleaned & Ph Monitor Returned to Svc ML17333A4021995-12-31031 December 1995 Corrected Annual Radioactive Effluent Release Rept for DC Cook Nuclear Plant Units 1 & 2. ML17334B5871995-12-31031 December 1995 Annual Environ Operating Rept,Jan-Dec 1995. W/960424 Ltr ML17334B5801995-12-31031 December 1995 Annual Radioactive Effluent Release Rept Jan-Dec 1995. W/960322 Ltr ML17332A9791995-09-21021 September 1995 NPDES Noncompliance Notification:On 950916,unnatural Turbidity Observed at Plant Outfalls 001 & 002 During Molluscicide Treatment at Plant.Preventive Actions Not Possible Due to Detoxificaion Requirements in NPDES Permit ML17332A9551995-09-0808 September 1995 NPDES Noncompliance Notification:On 950829,hydraulic Oil Spill Occurred While Divers Using Hydraulic Brushes to Remove Zebra Mussels from Plant Screenhouse Intake Forebay Walls.Oil Absorbent Booms Deployed Into Forebay ML17332A9541995-09-0707 September 1995 NPDES Noncompliance Notification:On 950831,determined That Discharge from Outfall 00C (Heating Boiler Blowdown) Exceeded Concentration of Monethanolamine Submitted in NPDES Application Due to Valve Being Aligned in Open Position ML17332A8301995-06-0808 June 1995 NPDES Noncompliance Notification:On 950530,spill of Ethylene Glycol Occurred When Contracted Svc Technician Troubleshooting Portable Welding Machine.Ethylene Glycol Coolant Replaced W/Propylene Glycol Coolant ML17332A6991995-03-23023 March 1995 NPDES Noncompliance Notification:On 950205 to 16,33 Wild Ducks Entrained in Intake Cribs & Subsequently Collected on Intake Screens within Screenhouse.Suspect Ducks Entrained While Feeding on Zebra Mussels ML17332A6961995-03-20020 March 1995 NPDES Noncompliance Notification:On 950301,bypass Discharge from Turbine Room Sump Through Emergency Over Flow Piping Into Intake Forebay to Lake Michigan ML17334B5381994-12-31031 December 1994 Annual Radioactive Effluent Release Rept Jan-Dec 1994. W/ 950320 Ltr ML17334B5411994-12-31031 December 1994 DC Cook Nuclear Plant Units 1 & 2 Annual Environ Operating Rept Jan-Dec 1994. W/950424 Ltr ML17331B3311994-03-30030 March 1994 NPDES Noncompliance Notification:On 940303,determined HVAC Sys Leaking Water Containing Approx 1,000 Mg/Liter Sodium Nitrite at Calculated Rate of 0.5 Gpm ML17334B5031993-12-31031 December 1993 DC Cook Nuclear Plant Annual Radioactive Effluent Release Rept for Jan-Dec 1993. W/940325 Ltr ML17334B5041993-12-31031 December 1993 Annual Environ Operating Rept Jan-Dec 1993 DC Cook Nuclear Plant Units 1 & 2. W/940419 Ltr ML17331A8841993-06-0808 June 1993 NPDES Noncompliance Notification:On 930526 Chlorine Exceedance Incorrectly Stated Event Occurred on May 21 Instead of Actual Date of May 19.Licensee Apologizes for Inconvenience Error May Have Caused ML17331A1251993-03-24024 March 1993 NPDES Noncompliance Notification:On 930322,plant Personnel Discovered Small Oil Sheen at North Storm Water Outfall 001S.Oil Residue from Parking Lot Gradually Entered Lake Michigan.Oil Absorbent Booms in Place at Outfall ML17331A0721992-12-31031 December 1992 DC Cook Semiannual Radioactive Effluent Release Rept for Jul-Dec 1992. W/930226 Ltr ML17334B4721992-12-31031 December 1992 DC Cook Nuclear Plant,Units 1 & 2 Annual Environ Operating Rept,920101-1231. W/930421 Ltr ML17329A6821992-11-12012 November 1992 NPDES Noncompliance Notification:On 921109,review of Records Determined That First Quarter 1992 Samples for Stormwater Outfall 001S Not Collected.Quarterly Sampling Requirement Added to Computerized Tracking Sys ML17329A5521992-07-0202 July 1992 NPDES Noncompliance Notification:On 920630,minor Inadvertent Discharge of Treatment Chemical Clam-trol CT-1 May Have Occurred.Fire Protection Clam-trol Treatment Was Suspended Immediately & Will Not Be Resumed Until Alterations Made ML17334B4381992-06-30030 June 1992 DC Cook Nuclear Plant,Units 1 & 2 Semiannual Radioactive Effluent Release Rept,Jan-June 1992. W/920826 Ltr ML17329A5481992-06-29029 June 1992 NPDES Noncompliance Notification:On 920624,grab Sample of Outfall 002 Circulating Water Discharge Indicated TRC Concentration of 0.33 mg/1.Caused by Flow Balance Between Plant Sys.Unit 1 in Shutdown Condition ML17329A5401992-06-10010 June 1992 NPDES Noncompliance Notification:On 920606,grab Sample of Outfall 002 Circulating Water Discharge Indicated Total Residual Chlorine Above Timits.Caused by Manfunctioning Svc Water Flow Meter.Flow Meter Will Be Replaced ML20086T9911992-01-0303 January 1992 Noncompliance Notification:On 911219,approx 400 Diving Ducks Collected in Circulating Water Sys Screenwash Baskets.Caused by Abundant Food Supply Provided by Circulating Water Discharge.Flow Rates Reduced ML17334B4501991-12-31031 December 1991 Hydrogeologic Evaluation of Cook Nuclear Plant,Bridgman, Mi. ML17334B4201991-12-31031 December 1991 DC Cook Nuclear Plant Units 1 & 2 Annual Environ Operating Rept,1991. W/920424 Ltr ML17329A4261991-12-31031 December 1991 Annual Personnel Monitoring Rept for 1991. W/920320 Ltr ML17329A3981991-12-31031 December 1991 Semiannual Radioactive Effluent Release Rept,Jul-Dec 1991. W/920226 Ltr ML17329A3231991-12-10010 December 1991 NPDES Noncompliance Notification:On 911129,discovered That HX Associated W/Component Cooling Water Sys Leaking & Drop in Sys Surge Tank Level Occurred.Approx 5,300 Gallons of Water Leaked from Sys.Hx Isolated for Repairs ML17334B4071991-09-30030 September 1991 Evaluation of Tritium Migration in Aquifer of DC Cook Nuclear Plant & Surrounding Communities. W/Two Oversize Drawings ML17329A0961991-07-11011 July 1991 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 ML20077S7241991-06-30030 June 1991 DC Cook Nuclear Plant Units 1 & 2 Semiannual Radioactive Effluent Release Rept,Jan-June 1991 1999-09-10 |
Text
ACCEI.ERAT DOCUIKENT DISTRUTIONSYSTEMREGULATORY INFORMATION DISTRIBUTION SYSTEM(RIDS)ACCESSION NBR:9404080044 DOC.DATE:
94/03/30NOTARIZED:
NODOCKETFACIL:50-315 DonaldC.CookNuclearPowerPlant,Unit1,IndianaM05000315~50-316DonaldC.CookNuclearPowerPlant,Unit2,IndianaM05000316AUTH.NAMEAUTHORAFFILIATION FITZPATRICK,E.
IndianaMichiganPowerCo.(formerly Indiana&MichiganEleRECIP.NAME RECIPIENT AFFILIATION MARTIN,J.B.
DocumentControlBranch(Document ControlDesk)D
SUBJECT:
NPDESnoncompliance notification:on 940303,determined HVACsosleakingwatercontaining approx1,000mg/litersodiumnitriteatcalculated rateof0.5gpm.DISTRIBUTION CODE:IE23DCOPIESRECEIVED:LTR QENCLl7SIZE:TITLE:Environmental-EventReport(perTechSpecs)NOTES:RECIPIENT IDCODE/NAME PD3-1PDINTERNAL:
NRR/DRSS/PEPB OGC/HDS2RGN3EXTERNAL:
NRCPDRCOPIES.LTTRENCLRECIPIENT IDCODE/NAME HICKMAN,J NRR/~S/ILRB GRUEL01NSICCOPIESLTTRENCLDDDDNOTETOALL"RIDS"RECIPIENTS:
PLEASEHELPUSTOREDUCEWASTETHCONTACTTHEDOCUMENTCONTROLDESK,ROOMPl-37(EXT.504-2065)
TOELIMINATE YOURNAMEFROMDISI'RIBUTION LISTSFORDOCUMENTS YOUDON'TNEEDI~TOTALNUMBEROFCOPIESREQUIRED-LTTR9ENCL~OD
indianaMichigan~PowerCompanyP.O.Box16631Columbus, OH43216IIHHNJEHSl MECH86$lMPQUKFN.AEPNRC:1208A DonaldC.CookNuclearPlantUnits1and2DocketNos.50-315and50-316LicenseNos.DPR-58andDPR-74DONALDC.COOKNUCLEARPLANTETHYLENEGLYCOLRELEASEU.S.NuclearRegulatory Commission DocumentControlDeskWashington, D.C.20555Attn:J.B.MartinMarch30,1994
DearMr.Martin:
Thisnotification isforwarded foryourreviewpursuanttoAppendix"B"ofDonaldC.CookNuclearPlantEnvironmental Technical Specifications.
Thesubjectofthisnotification concernstheidentification ofaninfluentstreamtothestormwateroutfall001Sandareleaseofsodiumnitrite.Theofficebuildingheatingandairconditioning (HVAC)systemcondensate drainheaderdischarges tothestormwatersystematanunderground pointadjacenttotheofficebuilding.
Thedischarge consistsofHVACcondensate collected indrippansthatflowtoacommondrainheader.Theconnection ofthecondensate draintothestormwatersystemwasdiscovered asaresultofarecentsystemleak.OnMarch3,1994,itwasdetermined thattheofficebuildingHVACsystemwasleakingwatercontaining approximately 1,000mg/litersodiumnitrite(anadditiveintheHVACsystem)atacalculated rateof0.5gpm.Thefollow-up investigation revealedthattheleakbeganapproximately onFebruary22,1994,andcontinued untilaleakingreliefvalvewasfoundandrepairedonMarch7,1994.Aspreventive action,theofficebuildingHVACsystemwillcontinuetobetestedweeklyfornitriteswithanyunusuallossesreportedtoplantsupervision.
'404080044940330 PDRADOCK'05000315
...8.;,PDR J.B.Martin2-AEP:NRC:1208A Writtennotifications regarding thiseventwasprovidedtotheNationalResponseOfficeandtotheSurfaceWaterQualityDivisionoftheMichiganDepartment ofNaturalResources (MNDR)onMarch9,1994.Shouldyouhaveanyquestions orconcernsregarding thisnotification, pleasecontactGordonArentat(614)223-2048.
Sincerely, VicePresident drcc:A.A.BlindG.CharnoffNFEMSectionChiefNRCResidentInspector J.R.PadgettW.T.Russell,NRC-Washington, D.C.
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