ML20058F241
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| ML20058F241 | |
| Person / Time | |
|---|---|
| Site: | Calvert Cliffs  |
| Issue date: | 12/02/1993 |
| From: | Denton R BALTIMORE GAS & ELECTRIC CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NUDOCS 9312080042 | |
| Download: ML20058F241 (3) | |
Similar Documents at Calvert Cliffs | |
|---|---|
Category:NPDES NONCOMPLIANCE NOTIFICATION
MONTHYEARML20236F3451998-06-29029 June 1998
[Table view]NPDES Noncompliance Notification:On 980615,sample Was Taken & Result Reported That Fecal Coliform Result Was 900 MPN/100 Ml.Result Exceeded Daily Max Limitations.Effluent Was Sampled Again on 980622 & Results Are Expected on 980701 ML20112K0161996-06-18018 June 1996 NPDES Noncompliance Notification:On 960520,BOD5 Results of Sample Taken from Sewage Treatment Plant Effluent Exceeded Daily Max Limitation.Cause of Event Investigated & Unknown. Plant Operations During Period Not Changed ML20078F5481995-01-30030 January 1995 NPDES Noncompliance Rept Notification:On 950111,approx 2,500 Gallons of Suspected Low Concentration Propylene Glycol Solution Discharged to Site Outfall 002 ML20072S3751994-07-25025 July 1994 NPDES Noncompliance Notification:On 940720,plant Intake Embayment Instrumentation Probe Found to Be Not Working. Caused by Saltwater Leakage & Subsequent Damage to Measuring Probe Internals.Equipment Replaced on 940722 ML20072S3441994-07-12012 July 1994 NPDES Noncompliance Notification:On 940706,salinity Meter Found Out of Svc During Surveillance of Effluent Monitoring for Intake Embayment.Caused by Water Leak.Current Monitoring Equipment Being Replaced ML20072S3601994-06-0707 June 1994 NPDES Noncompliance Notification:On 940601,plant Intake Embayment Instrumentation Oxygen Probe & Data Recorder Found Not to Be Working.Caused by Corroded Internal Connectors & Replacement Tape Cassette Failure,Respectively ML20064G4311994-03-0303 March 1994 NPDES Noncompliance Notification:On 940225,grease & Oil Analysis at 08:00 Was 39.1 Mg/L.Caused by Pavement Runoff Due to Intense Rainfall.Resampling Results Were 0.3 Mg/L ML20063B8231994-01-0707 January 1994 NPDES Noncompliance Notification:On 940104,plant Intake Embayment Dissolved Oxygen Instrumentation Found Damaged. Caused by Failed Oxygen Probe.Probe Repaired ML20058F2411993-12-0202 December 1993 NPDES Noncompliance Notification:On 931021,trailer That Houses Continuous Monitoring Equipment Removed,Resulting in Failure to Perform Continuous Monitoring of Intake Water. Continuous Monitoring Equipment Returned to Svc on 931117 ML20101S9301992-07-14014 July 1992 NPDES Noncompliance Notification:On 920608,sample Analysis for Fecal Coliform Indicated Concentration of 900 MPN/100 Mi Greater than Max NPDES Limit of 400 MPN/100 Mi.Cause Not Determined.Concentration of Chlorine Increased ML20091L0301991-12-23023 December 1991 NPDES Noncompliance Notification:On 911216,sample Analysis of Fecal Coliform Indicated Concentration Greater than 1600 mpn/100 Ml Sample,Exceeding Limit.Caused by Sodium Hypochlorite Pump Problems.Chlorine Concentration Increased ML20091L0341991-12-13013 December 1991 NPDES Noncompliance Notification:On 911209,fecal Coliform Analysis Indicated Concentration Greater than 1600 mpn/100 Ml,Exceeding Limit.Caused by Improper Residual Chlorine Analysis.Test Kit Comparator Replaced ML20091L0511991-10-30030 October 1991 NPDES Noncompliance Notification:On 911022,during Electrical Outage No Residual Chlorine Could Be Identified in Routine Weekly Sample.Fecal Coliform Analysis Yielded Concentration Greater That Daily Max Limit.Faulty Breaker Opened Manually ML20091L0611990-01-10010 January 1990 NPDES Noncompliance Notification:On 891218,auxiliary Boiler Blew Down Releasing Approx 6,000 Gallons Auxiliary Boiler Water Into Chesapeake Bay.Monthly Average of 30 Mg/Liter Was Exceeded ML20091L0851989-04-19019 April 1989 NPDES Noncompliance Notification:On 890412,electrical Control Relay Did Not Energize Which Controls Operation of Wet Well Pumps Via Air Compressor & Pressure Bubbler Sys. Engineering Dept Designing Back Up Control Sys ML20247G4251989-03-16016 March 1989 NPDES Noncompliance Notification:On 890223,large Number of Fish Impinged Affecting Two Traveling Screens & Requiring Shutdown of Circulating Water Pumps.No Fish Kills Observed. Caused by Winds Blowing Toward Intake Area ML20091L0721989-03-16016 March 1989 NPDES Noncompliance Notification:On 890313,during Cleanup of Overflowing Floor Drains Due to Main Drain Header Being Clogged,Cleaners Dumped Buckets of Waste Water Outside Storm Drain.Caused by Lack of Awareness of NPDES Requirements ML20091L1021988-03-0808 March 1988 NPDES Noncompliance Notification:On 880307,temp Increase Across Condensers Was Experienced for Outfall 001.Caused by Mechanical Failure Causing Shut Down of Circulating Water Pump.Incident Regarded as Uncontrollable.No Action Taken ML20091L1111987-10-21021 October 1987 NPDES Noncompliance Notification:On 871011,increase in Temp to 12.1 F Was Reached on Condensers.On 871012,increase in Temp to 12.3 Was Reached on Condensers.Caused by Reduced Flow of Cooling Water Through Condensers ML20129E6891985-04-22022 April 1985 Nonroutine Radiological Environ Operating Rept.During Mar 1985,oyster Samples Showed Presence of Ag-110m.Caused by Natural Tendency of Oysters to Concentrate Environ Silver ML20107F9631984-09-28028 September 1984 NPDES Noncompliance Notification:On 840828,reactor & Turbine Manually Tripped Due to Max Influx of Fish Blanketing Screen.Caused by Severe Anoxic Conditions.Biofouling Task Force Working to Improve Screen Performance ML20091L1311984-06-28028 June 1984 NPDES Noncompliance Notification:On 840620,Outfall 101 Sanitary Waste Experienced Noncompliance Re five-day Biochemical Oxygen Demand.On 840625,sample Indicating Level of 57.7 mg/1 Was Read,Exceeding Daily Max of 45 mg/1 ML20091L1421984-04-24024 April 1984 NPDES Noncompliance Notification:On 840130 & 31,effluent Ph Analysis from Outfall 101 (Sewage Treatment Plant) Showed Values Below NPDES of 6 for 48 H.Lime Additions Were Made to Increase Ph.Emphasized Proper Disposal of Liquid Wastes ML20087P6101984-04-0202 April 1984 Forwards NPDES Noncompliance Notification:On 840329,violent Storm Caused Grass & Other Debris to Be Swept by Waves & High Winds Into Water Boxes,Restricting Flow of Cooling Water & Increasing Temp.Debris Cleared & Temp Decreased ML20081D3671983-09-30030 September 1983 NPDES Noncompliance Notification:On 830919,reactor & Turbine Manually Tripped Due to Fish Kill in Intake Embayment Which Clogged Travelling Screens.Caused by Upwelling of Low Dissolved Oxygen Waters.Task Force Established ML20091L1471983-06-22022 June 1983 NPDES Noncompliance Notification:On 830621,Monitoring Point 101 Experienced Total Residual Chlorine of 2 Ppm.Pump Was Vented & Returned to Svc.Due to Infrequent & Unpredictability of Event,No Action Deemed Necessary ML20076J0421983-05-24024 May 1983 NPDES Noncompliance Notification:On 830520,during Receipt of Load of Bulk Aqueous Ammonia,Storage Tank Overflowed & 50-100 Gallons of Ammonia Solution Entered Outfall 002. Caused by Improper Attention During Chemical Transfer ML20073H4401983-03-29029 March 1983 NPDES Noncompliance Notification:On 830325,temp Limit for Condensers Exceeded for Two Consecutive Hours.Low Tide & Severe Wave Action Due to High Winds Sweeping Debris Into Water Boxes.Debris Removed ML20073H4771983-03-29029 March 1983 Corrected NPDES Noncompliance Notification:On 821203,weekly Coliform Analysis from Monitoring Point 101 of Outfall 001 Showed Concentration Greater than 1,609 mpn/100 Ml.On 821212,effluent Chlorine Analysis Not Performed ML20079N4291983-02-15015 February 1983 NPDES Noncompliance Notification:On 830211,temp Increased Across Condensers for Outfall 001.Caused by Restricted Cooling Water Flow Due to Greases & Other Debris Broken Loose by Severe Weather.Debris Removed ML20091L1531983-02-0909 February 1983 NPDES Noncompliance Notification:On 830126,results Indicated Coliform Concentrations to Be 109 MPN/100 Ml,Exceeding Limit of 70 MPN/100 Ml.On 830201,suspended Solids Limitations Had Value of 46.6 Mg/L.Raw Sewage Pumps Were Left on Manual ML20091L1581983-01-24024 January 1983 NPDES Noncompliance Notification:On 830112,Outfall 101, Monitoring Point 101 Experienced Total Residual Chlorine of 3 Ppm.Caused by Failure of Pump Used to Add Dechlorinating Agent.Spare Pumps on Site Allowed Rapid Corrective Action ML20070Q5141983-01-11011 January 1983 NPDES Noncompliance Notifications:Over Two 12 H Periods,Ph Values Over Specs While Releasing 45,000 Gallons Max.On 821203,coliform Analysis Revealed Concentration Above Spec. on 821212,chlorine Analysis Not Performed ML20091L1701982-11-22022 November 1982 NPDES Noncompliance Notification:On 821015,component Yeilded Oil & Grease & Suspended Solids Higher than Permit Restrictions.Incident Possibly Caused by Auxiliary Bldg Drain Problem.Temporary Analysis Program Implemented ML20091L1761982-09-15015 September 1982 NPDES Noncompliance Notification:On 820831-0901,approx 6,800 Gallons of 5.9 Ph Water Was Discharged Via Outfall 104 to Chesapeake Bay.Caused by Improper Valve Closure on Inlet of Discharge Tank.Preventive Maint Schedule Implemented ML20091L1881982-07-21021 July 1982 NPDES Noncompliance Notification:On 820602,weekly Coliform Analysis from Outfall 101 Revealed Concentration of 79 Mpn/ 100 Ml.Apparent Cause Unknown & Because of Above Suggested Scenario,Cannot Be Ascertained.Operator Reinstructed ML20091L2111982-02-25025 February 1982 NPDES Noncompliance Notification:On 820106,backup Sample Confirmed Ph of 9.1.Caused by High Ammonia Concentration in Yard Oil Interceptor.No Direct Cause Could Be Found. Investigation Continuing ML20091L1961982-02-25025 February 1982 NPDES Noncompliance Notification:On 820219 Coliform Results from 820217 Sample Found to Be 160 mpn/100 Ml.Caused by Contaminated Sodium Thiosulfate Chemical Addition Tank. Condition Corrected ML20091L2181981-08-28028 August 1981 NPDES Noncompliance Notification:On 810810,operator Discovered Leakage Past Drain Valve for 12 Waste Neutralization Tank (Wnt).Caused by Damaged Seat of Wnt Drain Valve.Valve Replaced ML20091L2211981-07-24024 July 1981 NPDES Noncompliance Notification:On 810605,weekly Coliform Analysis Showed Concentration Greater than 1609 mpn/100 Ml. Caused by Contaminated Sodium Thiosulfate Containers Used for Dechlorination.Housekeeping Frequency Increased ML20091L2281981-07-24024 July 1981 NPDES Noncompliance Notification:During Month of June,No Radioactive Releases Were Accomplished Through Outfall 105B, Miscellaneous Waste Monitor Tank ML20091L2291981-07-0808 July 1981 NPDES Noncompliance Notification:On 810702,influent Sump to Site Sewage Treatment Plant Overflowed,Dumping Raw Sewage to Storm Drain.Caused by Removal of One Lift Pump from Svc. Proper Care Will Be Exercised When Performing Maint ML20091L2511981-05-12012 May 1981 NPDES Noncompliance Notification:On 810423,outside Operator Discovered Drain Valve for 12 Waste Neutralizing Tank (Wnt) Open.Caused by Operator Failure to Follow Procedures. Operators Involved Received Appropriate Disciplinary Action ML20091L2641981-03-0909 March 1981 NPDES Noncompliance Notification:On 810206,10,13 & 28, Coliform Readings Were 278 mpn/100 ml,918 mpn/100 ml,1609 mpn/100 Ml & 542 mpn/100 Ml,Respectively.Caused by High Flow Experienced by Sewage Treatment Plant ML20091L2771981-02-24024 February 1981 NPDES Noncompliance Notification:On 810228,effluent Sample Contained 75.9 Mg/L Suspended Solids.On 810110,13 & 28, Coliform Readings Were 1609 mpn/100 ml,1180 mpn/100 Ml & 1609 mpn/100 Ml,Respectively ML20091L2871981-02-0404 February 1981 NPDES Noncompliance Notification:On 811012,free Available Chlorine Determined to Be .7 mg/1.On 811121,recorded Reading of 1.5 Mg/L Free Available Chlorine.On 811029,determined Coliform Reading of 345 MPN/100 Ml ML20091L2931981-02-0202 February 1981 NPDES Noncompliance Notification:On 801029,results from Sample Drawn for Routine Weekly Coliform Analysis Indicated Concentration of 345 mpn/100 Ml.Caused by High Flow to Plant Soon After Start of Refueling Outage ML20091L3001980-12-0808 December 1980 NPDES Noncompliance Notification:On 801202,sample Drawn for Routine Weekly Coliform Analysis Indicated (on 801204) Concentration of Greater than 2,000 mpn/100 Ml.Caused by Unusually High Flow to Plant.Chlorine Tank Was Drained 1998-06-29 Category:TEXT-ENVIRONMENTAL REPORTS MONTHYEARML20217P1761999-10-31031 October 1999
[Table view]Generic Environmental Impact Statement for License Renewal of Nuclear Plants.Supplement 1 Regarding the Calvert Cliffs Nuclear Power Plant.Final Report ML20205E0041999-02-28028 February 1999 Generic Environmental Impact Statement for License Renewal of Nuclear Plants.Calvert Cliffs Nuclear Power Plant.Draft Report for Comment ML20195J7671998-12-31031 December 1998 Semi-Annual Surface Water Withdrawal Rept ML20207A9751998-12-31031 December 1998 Radioactive Effluent Release Rept for Calvert Cliffs Isfsi ML20206K7801998-12-31031 December 1998 Radiological Environ Monitoring Program Annual Rept for Ccnpp,Units 1 & 2 & ISFSI,Jan-Dec 1998. with ML20206C7391998-12-31031 December 1998 Occupational Radiation Exposure Repts for 1998, as Required by Units 1 & 2 Tech Specs 5.6.1 & 6.1 of ISFSI ML20155B2621998-10-26026 October 1998 Environ Impact Statement Scoping Process Summary Rept for Calvert Cliffs Nuclear Power Plant,Lusby,Md ML20236F3451998-06-29029 June 1998 NPDES Noncompliance Notification:On 980615,sample Was Taken & Result Reported That Fecal Coliform Result Was 900 MPN/100 Ml.Result Exceeded Daily Max Limitations.Effluent Was Sampled Again on 980622 & Results Are Expected on 980701 ML20247H6211997-12-31031 December 1997 Radiological Environ Monitoring Program Annual Rept for 970101-1231 ML20237A6421997-12-31031 December 1997 Radioactive Effluent Release Rept ML20212H2721997-12-31031 December 1997 ISFSI Occupational Radiation Exposure Repts for 1997 ML20210Q0971996-12-31031 December 1996 Radioactive Effluent Release Rept,Effluent & Waste Disposal Suppl Info,Second Half of 1996 ML20141A5451996-12-31031 December 1996 Radiological Environ Monitoring Program Annual Rept for 1996, for Calvert Cliffs Nuclear Power Plant,Units 1 & 2 ML20135F0661996-12-31031 December 1996 ISFSI Occupational Radiation Exposure Repts ML20134C9511996-10-0404 October 1996 Environ Assessment & Finding of No Significant Impact Re Transfer of Control of Operating Licenses Re Plant & ISFSI ML20112K0161996-06-18018 June 1996 NPDES Noncompliance Notification:On 960520,BOD5 Results of Sample Taken from Sewage Treatment Plant Effluent Exceeded Daily Max Limitation.Cause of Event Investigated & Unknown. Plant Operations During Period Not Changed ML20078F5481995-01-30030 January 1995 NPDES Noncompliance Rept Notification:On 950111,approx 2,500 Gallons of Suspected Low Concentration Propylene Glycol Solution Discharged to Site Outfall 002 ML20072S3751994-07-25025 July 1994 NPDES Noncompliance Notification:On 940720,plant Intake Embayment Instrumentation Probe Found to Be Not Working. Caused by Saltwater Leakage & Subsequent Damage to Measuring Probe Internals.Equipment Replaced on 940722 ML20072S3441994-07-12012 July 1994 NPDES Noncompliance Notification:On 940706,salinity Meter Found Out of Svc During Surveillance of Effluent Monitoring for Intake Embayment.Caused by Water Leak.Current Monitoring Equipment Being Replaced ML20195J6601994-06-16016 June 1994 NPDES Permit MD0002399,issued to Bg&E ML20072S3601994-06-0707 June 1994 NPDES Noncompliance Notification:On 940601,plant Intake Embayment Instrumentation Oxygen Probe & Data Recorder Found Not to Be Working.Caused by Corroded Internal Connectors & Replacement Tape Cassette Failure,Respectively ML20064G4311994-03-0303 March 1994 NPDES Noncompliance Notification:On 940225,grease & Oil Analysis at 08:00 Was 39.1 Mg/L.Caused by Pavement Runoff Due to Intense Rainfall.Resampling Results Were 0.3 Mg/L ML20063B8231994-01-0707 January 1994 NPDES Noncompliance Notification:On 940104,plant Intake Embayment Dissolved Oxygen Instrumentation Found Damaged. Caused by Failed Oxygen Probe.Probe Repaired ML20064C9941993-12-31031 December 1993 1993 Bg&E Calvert Cliffs Nuclear Power Plant Rept on Number of Personnel & Man-Rem by Work & Job Functions ML20064F1871993-12-31031 December 1993 Effluent & Waste Disposal Semiannual Rept for Second Half 1993, Suppl Info ML20058F2411993-12-0202 December 1993 NPDES Noncompliance Notification:On 931021,trailer That Houses Continuous Monitoring Equipment Removed,Resulting in Failure to Perform Continuous Monitoring of Intake Water. Continuous Monitoring Equipment Returned to Svc on 931117 ML20059B3471993-10-22022 October 1993 Suppl to Environ Rept Calvert Cliffs Nuclear Power Plant ML20056F5691993-06-30030 June 1993 Effluent & Waste Disposal Semiannual Rept for First Half of 1993 ML20012G4191992-12-31031 December 1992 Rept on Number of Personnel & Man-Rem by Work & Job Function for 1992. ML20101S9301992-07-14014 July 1992 NPDES Noncompliance Notification:On 920608,sample Analysis for Fecal Coliform Indicated Concentration of 900 MPN/100 Mi Greater than Max NPDES Limit of 400 MPN/100 Mi.Cause Not Determined.Concentration of Chlorine Increased ML20118A3751992-06-30030 June 1992 Effluent & Waste Disposal Semiannual Rept for First Half 1992 ML20095J2811992-04-24024 April 1992 Suppl to Calvert Cliffs Units 1 & 2 Semiannual Effluent Release Rept for Jul-Dec 1991, Updating Strontium Analytical Results for Fourth Quarter 1991 ML20092G1151991-12-31031 December 1991 Annual Personnel Exposure Rept for 1991, Consisting of Listing of Number of Personnel & man-rem by Work & Job Function ML20092E9851991-12-31031 December 1991 Personnel Monitoring Rept for 1991. W/ ML20090A7941991-12-31031 December 1991 Effluent & Waste Disposal Semiannual Rept,Jul-Dec 1991 ML20104A2461991-12-31031 December 1991 Amended Table 1A,(page 9) from Calvert Cliffs Nuclear Power Plant Effluent & Waste Disposal Semiannual Rept,Jul-Dec 1991, Re Gaseous Effluents - Summation of All Releases ML20141M1241991-12-31031 December 1991 Radiological Environ Monitoring Program Annual Rept for Calvert Cliffs Nuclear Plant Units 1 & 2,1991 ML20091L0301991-12-23023 December 1991 NPDES Noncompliance Notification:On 911216,sample Analysis of Fecal Coliform Indicated Concentration Greater than 1600 mpn/100 Ml Sample,Exceeding Limit.Caused by Sodium Hypochlorite Pump Problems.Chlorine Concentration Increased ML20091L0341991-12-13013 December 1991 NPDES Noncompliance Notification:On 911209,fecal Coliform Analysis Indicated Concentration Greater than 1600 mpn/100 Ml,Exceeding Limit.Caused by Improper Residual Chlorine Analysis.Test Kit Comparator Replaced ML20091L0511991-10-30030 October 1991 NPDES Noncompliance Notification:On 911022,during Electrical Outage No Residual Chlorine Could Be Identified in Routine Weekly Sample.Fecal Coliform Analysis Yielded Concentration Greater That Daily Max Limit.Faulty Breaker Opened Manually ML20082M4641991-06-30030 June 1991 Effluent & Waste Disposal Semiannual Rept for Second Quarter 1991 ML20113G2191991-06-30030 June 1991 Supplement to Semiannual Radioactive Effluent Release Rept, Calvert Cliffs Nuclear Power Plant,First Half 1991 ML20077G9901990-12-31031 December 1990 Updated Tables 1A,1C,2A & 2B Re Gaseous & Liquid Effluents to Semiannual Effluent Release Rept for Second Half 1990 ML20029A7661990-12-31031 December 1990 Semiannual Effluent Release Rept for Second Half 1990. ML20070D3021990-12-31031 December 1990 Number of Personnel & Man-Rem by Work & Job Function & Personnel Whole Body Exposure for CY90 ML20059D2511990-06-30030 June 1990 Semi-Annual Effluent Release Rept for Calvert Cliffs Nuclear Power Plant First Half 1990 ML20058B9071990-06-30030 June 1990 Updated Tables 1C,2A,2B & Page 4 to Semiannual Effluent Release Rept for First Half 1990 ML20091L0611990-01-10010 January 1990 NPDES Noncompliance Notification:On 891218,auxiliary Boiler Blew Down Releasing Approx 6,000 Gallons Auxiliary Boiler Water Into Chesapeake Bay.Monthly Average of 30 Mg/Liter Was Exceeded ML20011F4161989-12-31031 December 1989 Rev 2,to Evaluation Time Estimates within Plume Exposure Pathway EPZ for Calvert Cliffs Nuclear Power Plant. ML20058B9121989-12-31031 December 1989 Revised Page 4 to Semiannual Effluent Release Rept for Second Half 1989 1999-02-28 |
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