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 Issue dateTitleTopic
ML20206C98727 April 1999NPDES Noncompliance Notification:On 990319,station Personnel Observed Foam Emanating from Manhole Vent Associated with Outfall 001,no Foam Was Observed on Any Waterway.Caused by Inappropriate Addition of Betz 3625 to Spray Pond
ML20207D61726 February 1999NPDES Noncompliance Notification:On 990111,discovered That Weelkly Analysis for non-oxidizing Biocide Betz 3625 Was Not Performed.Caused by Sample Being Inappropriately Delayed for Future Chemical Addition.Counseled Individuals Involved
ML20202F05919 January 1999NPDES Noncompliance Notification:On 990112,Auxiliary Boiler Source Number OAS502 Found to Have Malfunctioning Opacity Monitor.Caused by Stepdown Transformer within Power Supply. Power Supply Replaced
ML20198J28121 December 1998NPDES Noncompliance Notification:On 981102,release of 500 Gallons of 12% Sodium Hypochlorite to Environment Occurred. Caused by Failure of Tank Discharge Fittings.Integrity Testing Will Be Performed on All New Tanks.With
ML20206R34921 December 1998NPDES Noncompliance Notification:On 981102,500 Gallons of 12% Sodium Hypochlorite Released to Environ.Caused by Failure of Tank Discharge Fittings & Subsequent Leaks from Secondary Containment.Culvert Was Flushed Repeatedly
ML20236V20027 July 1998NPDES Noncompliance Notification:On 980619,geometric Mean Coliform Concentration Calculated to Be 223 Colonies Per 100 Ml.Sample Procedure Enhanced to Ensure Normal Operating ConditionsGrab sample
ML20248C94627 May 1998NPDES Noncompliance Notification:On 980414,total Iron Discharge Through Outfall 001 Exceeded Limits Set in Ltr Dtd 960508.Total Iron Discharge Limit Exceeded During Cleaning Evolution.Limit Revised
ML20217N69227 February 1998NPDES Noncompliance Notification:On 980107 Net Total Suspended Solids (TSS) for Units 1 & 2 Cooling Towers at Outfall 001 Exceeded NPDES Permit Daily Limit of 60 Ppm. Caused by Contaminated Sample Lines.Replaced Tygon Tubing
ML20141G02727 June 1997NPDES Noncompliance Notification:On 970512,sample for Kjeldahl Omitted Due to Personnel Error.Counseled Individual Responsible.On 970521,Net TSS Exceeded NPDES Daily Limit Due to Fouled Sample Tubing.Replaced Sample Tubing
ML20137M55127 March 1997NPDES Noncompliance Notification:On 970228,flow Integrator Used to Measure Spray Pond Effluent Flow Was Identified to Be Malfunctioning & Declared Inoperable Due to Lodged Debris.Revised Procedure for Spray Pond Effluent Flow
ML20134G32431 January 1997NPDES Noncompliance Notification:On 970108,util Informed NRC That PA Dept of Environ Protection Granted Approval for Temporary Discharge at Lgs,Per 961219
ML20138G96524 December 1996NPDES Noncompliance Notification:On 960428,calibration of Flowmeter Used to Measure Spray Pond Flow Was Not Checked on Routine Basis Because Person Required to Develop Maint Was Unaware of Requirements.Installed New Meter
ML20135A58527 November 1996NPDES Noncompliance Notification:On July-Sept 1996 Re NPDES Limit for Fecal Coloform Concentration Not Met.Caused by Inadequate Gasket Installation.Ozonators Overhauled to Ensure Peak PerformanceGrab sample
ML20134E06428 October 1996NPDES Noncompliance Notification:During Month of Sept 1996, NPDES Limit for Fecal Coliform Concentration at Discharge of Bradshaw Reservoir Pumps Was Not Met.Caused by Leaking Gaskets on Ozone Gas Diffusers.New Gaskets,InstalledGrab sample
ML20129E56827 September 1996NPDES Noncompliance Notification:On 960805,geometric Mean of Fecal Coliform Concentration Calculated to Be 641 Colonies Per 100 Ml.Cause Suspected to Be Due to Malfunctioning Ozone Disinfection Sys.Adjustments to Sys Have Been MadeGrab sample
ML20129E54126 September 1996NPDES Noncompliance Notification:On 960812,discharge Observed from Unit 2 Cooling Tower Overflow to Outfall 021. Caused by Personnel Error in Performing Required Analysis of Cooling Tower Overflow Sample.Individual Counseled
ML20117G70723 August 1996NPDES Noncompliance Notification:On 960715,geometric Mean of Fecal Coliform Concentration Exceeded NPDES Permit Limit. Caused by Leaking Seals on Ozone Diffusers.Temporary Adjustments Made to Ozone Gas Flow BalanceGrab sample
ML20116B38524 July 1996NPDES Noncompliance Notification:On 960602 Identified Ph Levels Exceeded NPDES Permit Limitations.Caused by Natural Biological activity.CO2 Injection Established,Maintained & Monitored Until 960612
ML20115G11512 July 1996NPDES Noncompliance Notification:On 960619,resulting Net TSS Value 82.8 mg/1,exceeded Max Daily Limit of 60 Mg/L.Caused by Excessive Storm Water Runoff.Net TSS RevisedGrab sample
ML20113C44524 June 1996NPDES Noncompliance Notification:On 960318,flow Integrator Used to Measure Spray Pond Effluent Flow Declared Inoperable.Caused by Faulty Flow Integrator.Frequency of Use of Instrument Changed to Daily as Stated in Issue Number
ML20108A36728 April 1996NPDES Noncompliance Notification:On 960314,personnel Observed Sewage Overflowing from MH-07 & Into Storm Drain W-4.Caused by Blockage of Pipe Section Between MH-07 & MH-08.Sewer Contract Svc Pressure Cleaned
ML20108A38028 April 1996NPDES Noncompliance Notification:On 960223,identified Seven Issues of Administrative non-compliance/ambiguity W/Permits. Caused by Inadequate Administration.Individuals Gained Better Understanding W/Guidance
ML20101K46628 March 1996NPDES Noncompliance Notification:On 960218,discovered That No Records Existed for Bradshae Reservoir Discharge Water Temp for Listed Time Periods.Caused by Temporary Reassigment of Personnel.Review of Staffing in Progress
ML20100P63128 February 1996NPDES Noncompliance Notification:On 951108,discharge 001 Net TSS in Excess of Maximum Daily Limit.Caused by Flaw in Methodology to Calculate Net TSS concentration.Follow-up Composite Samples TakenGrab sample
ML20072R46031 August 1994NPDES Noncompliance Notification:On 940708 & 0815,Discharge 001 Total Zinc Concentrations Exceeded Max Daily Limitations.Daily Zinc Trending Analysis Will Be Upgraded & Chemistry Technician Involved in 940815 Event CounselledGrab sample
ML20071L17627 July 1994NPDES Noncompliance Notification:On 940609,zinc Analyses Indicated That Discharge 001 Total Zinc Levels in Excess of Max Daily Limitations in Both Cooling Towers.Daily Zinc Control Limits Will Be Administratively Maintained Lower
ML20149E72926 July 1994NPDES Discharge Monitoring Rept:On 940713,approx 18 Gallons of Betz Clamtrol CT-1 Inadvertently Released from Injection Sys Located South of LGS Spraypond Pumphouse.Caused by Break in Pump Discharge Line.Polyethylene Piping Replaced
ML20065B92225 March 1994NPDES Noncompliances Notification:On 940204,discharge 001 Maximum Daily Limit of 1.0 mg/1 Total Zinc Was Exceeded. Caused by Low Ph Transient in Unit 2 Cooling Tower Water Sys.Isolated Acid Injection Sys
ML20064C77025 February 1994NPDES Noncompliance Notification:On 940116 & 17 Manual Reactor Scram Occurred.Caused by Failure to Adequately Throttle Cooling Tower Bypass Valves.Procedure Revised
ML20059C49426 October 1993NPDES Noncompliance Notification:On 930907,cooling Tower Blowdown Water Discharged Into Possum Hollow Creek Due to Loss of Two of Four Operating Circulating Water Pumps. Procedures for Performing Excavations Revised
ML20056G39227 August 1993NPDES Noncompliance Notification:On 930710,13,14 & 25, Water Processing Facility (Wpf) Discharge Temp Exceeded Max Limitation of 74 Degrees F.Rev to NPDES Permit,Removing Temp Limits Approved & Wpf Chillers Removed from Svc
ML20024H84419 August 1993NPDES Noncompliance Notification Re Perkiomen Storage Tank Overflow to Possum Hollow Run.Application for Amend to Permit PA0051926 Submitted
ML20046B80529 July 1993NPDES Noncompliance Notification:On 930618,20 & 27,water Processing Facility Temp Exceeded Permitted Max Limitation of 74 Degrees F.Caused by Lack of Training & Written Instructions.Training Provided & Addl Instruction IssuedGrab sample
ML20044G76421 May 1993NPDES Noncompliance Notification:From 930417-18,equipment Problems Occurred Which Rendered Dissolved Oxygen & Ph Monitoring Instrumentation Inoperable.Caused by Debris in Sample Line.Methods for Filtering Flow Under InvestigationGrab sample
ML20044C40516 March 1993NPDES Noncompliance Notification:On 930222,discovered That Contractor Personnel Discharged Treated Water from Fire Hydrant Supplied by Unit 1 Cooling Tower Into Storm Water Drain E-3.2.Caused by Personnel Error.Label Applied
ML20128N12517 February 1993NPDES Noncompliance Notification:On 930103,cooling Tower Blowdown Water Overflowed from Discharge 001 Pipeline & Flowed Into Possum Hollow Creek.Caused by Failure to Throttle Unit 2 Bypass Valves.Procedure Changed
ML20128A50725 January 1993NPDES Noncompliance Notification:On 921117 & 25,analytical Results for inductively-coupled Plasma Analyzer at Discharge Point 001 Exceeded Zinc Concentration.Total Zinc Concentration Analysis Will Be Performed Onsite
ML20126G99924 December 1992NPDES Noncompliance Notification:On 921104,dissolved Oxygen Monitoring Equipment at Bradshaw Reservoir Discharge & Water Processing Facility Became Fouled by Organic Concentrations. Caused by Heavy Rainfall.Manual Samples Will Be Obtained
ML20117A57623 November 1992NPDES Noncompliance Notification:On 921013 & 14,four of Five Samples Collected from Discharge Point 001 Exceeded Daily Max Permit Limit of 1.0 Mg/L.Caused by Heavy Rains Across Southeastern PA on 921009.Injection Rates Decreased
ML20101H53226 June 1992NPDES Noncompliance Notification:On 920504,crack Discovered on Above Ground Cleanout for Sewage Line Leading from Plant Training Ctr to Plant Sewage Sys Holding Tanks.Caused by Expansion of Sewage Spill Line.Clamps Installed
ML20095J12023 April 1992NPDES Noncompliance Notification:On 920322,cooling Tower Blowdown Water Discharged Into Possum Hollow Creek.Caused by Procedure Deficiency.Sys Operating Procedure S09.4.A Expected to Be Revised by 920501
ML20141M05525 March 1992NPDES Noncompliance Notification:On 920206,rain Water Pumped from Eletrical Manhole Into Storm Water Runoff Drain Due to Inadequate Procedural Guidance.Blue Drains to Be Labelled, Indicating Use for Storm Water Runoff Only by 920801
ML20091Q43023 January 1992NPDES Noncompliance Notification:On 911218 Cooling Tower Blowdown Water Discharged to Possum Hollow Creek Resulting in Unpermitted Discharge Due to Failure to Identify & Revise All Appropriate Procedures.Procedure GP-3 to Be Revised
ML20086E49822 November 1991NPDES Noncompliance Notification:On 911016 Underground Fire Water Pipeline Inadvertently Punctured by Contractor Backhoe Ram During Excavation of Trench.Caused by Inadequate Review of Required Prints.Backhoe Ram Operator Terminated
ML20082L98728 August 1991NPDES Noncompliance Notification:On 910707 & 19,electrical Storm Caused Loss of Power to Bedminster Water Processing Facility & Tripped Chillers.On 910721,discharge Temp Exceeded Permitted Limits.Permit Limits Changed
ML20217C2138 July 1991NPDES Noncompliance Notification:On 910629,chillers at Bedminster Water Processing Facility for Bradshaw Reservoir Tripped Due to Unexpected Failure of Logic Control Unit. Chiller Control to Primary Computer Restored
ML20077G57720 June 1991NPDES Noncompliance Notification:On 910528,chiller C at Bedminster Water Processing Facility Tripped Due to High Vibration & Temp at Discharge 001 Exceeding Permitted Instantaneous Temp.Discharge Temp Setpoint Lowered
ML20077D87017 May 1991NPDES Noncompliance Notification:On 910512,cooling Tower Experienced Failure,Causing Large Vol of Cooling Tower Water to Bypass Normal Blowdown Discharge Pathway.Cooling Tower Will Be Inspected During mid-yr Outage
ML20070S30722 March 1991NPDES Noncompliance Notification:On 910204,discovered That Misalignment of Diverter Valve to Outfall 003 May Have Allowed Mixture of Storm Water & Steam Condensate to Be Released from Outfall.Valve Repositioned
ML20065M68129 November 1990NPDES Noncompliance Notification:On 901003,routine Weekly Discharge 001 Sample Exceeded Max Permit Limits for Grease & Oil.Sample Contained 43.7 Mg Per Liter of Oil & Grease. Abnormal Reading Believed to Be Caused by Oily Silt
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