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| Issue date | Title | Topic | |
|---|---|---|---|
| ML20217K858 | 21 October 1999 | NPDES Noncompliance Notification:On 990925,unusual Fish Kill Was Discovered That Consisted Predominately of Yellow Fin Croaker.Caused by Increased Temp in Intake Structure.Util Is Modifying Heat Treat Process to Reduce Possible Fish Kill | Ultimate heat sink |
| ML13319A871 | 31 December 1998 | SONGS Annual Radioactive Effluent Release Rept for 1998. | Grab sample Offsite Dose Calculation Manual Annual Radioactive Effluent Release Report Process Control Program |
| ML20248D621 | 28 May 1998 | NPDES Noncompliance Notification:On 980304,sewage Treatment Effluent Indicated 5.0 Ml/L for Settleable Solids.Caused by Elevated Solids in Plant Combined W/Excessive Flows from Frequent Storms.Samples Taken Later Were within NPDES Limit | |
| ML20149J788 | 30 June 1997 | Analysis of Time Required to Evacuate Transient & Permanent Population from Various Areas within Plume Exposure Pathway Emergency Planning Zone,San Onofre Nuclear Generating Station Update for 1996-2002 | Safe Shutdown Earthquake Earthquake |
| ML20141E095 | 19 June 1997 | Environ Assessment & Finding of No Significant Impact Re Issuance of Order Under 10CFR50.80 Approving Application Concerning Corporate Restructuring of Enova Corp,Parent Company of Sdge | |
| ML20137X520 | 14 April 1997 | NPDES Noncompliance Notification:On 970219,Unit 1 Sewage Treatment Effluent Exceeded Instantaneous NPDES Limit of 3.0 Ml/L.Three Exceedances of Weekly Average Effluent Limit of 1.5 Ml/L Also Reported | |
| ML20135F545 | 7 March 1997 | NPDES Noncompliance Notification:On 970113,sample Obtained on Unit 1 Sewage Treatment Effluent Indicated Setteable Solids Value of 3.5 Ml/L Which Was Above Instantaneous Limit of 3.0 Ml/L.Caused by Operator Error.Terminated Operator | |
| ML20134F041 | 31 December 1996 | 1996 Offsite Hazards Update | |
| ML20116B270 | 31 May 1996 | NPDES Discharge Monitoring Repts for May 1996 for SONGS Units 1 & 2 | |
| ML20115B177 | 29 May 1996 | NPDES Noncompliance Notification:On 960420,release of 22,440 Gallons of Water with Ph 12.6 from High Flow Makeup Demineralizer (Hfmud) Waste Neutralization Tank Occurred,As Specified in Title 22 of State of CA Code of Regulations | |
| ML20115B166 | 29 May 1996 | NPDES Noncompliance Notification:On 960420,release of 22,440 Gallons of Water with Ph of 12.6 from High Flow Makeup Demineralizer (Hfmud) Waste Neutralization Tank Occurred,As Specified in Title 22 of State of CA Code of Regulations | |
| ML20115B890 | 30 April 1996 | NPDES Discharge Monitoring Rept for Unit 3 for Apr 1996 | |
| ML20115B879 | 30 April 1996 | NPDES Discharge Monitoring Rept for Apr 1996 | |
| ML20080M084 | 27 January 1995 | NPDES Noncompliance Notification:On 941202,chlorination Sys Exceeded Two H Per Day Limit for Total Residual Oxidants Due to Improper Timer Setting & on 941219,sewage Line Upset Occurred South of Holddown Area Due to Blockage in Line | |
| ML20072D050 | 5 August 1994 | NPDES Noncompliance Notification:On 940528,low-vol Waste Stream Not Ph Neutralized as Required During Release from High Flow Makeup Demineralizer Waste Neutralization Tank. Station Procedures Will Be Modified | Grab sample |
| ML20059L146 | 30 December 1993 | NPDES Noncompliance Notification:During Records Review, Discovered That Method Used to Determine Total Residuial Chlorine for Month of Oct Dpd Colorimetric Method.Actions Taken to Ensure Amperometric Method Used in Future | |
| ML20059L150 | 30 December 1993 | NPDES Noncompliance Notification:During Records Review, Discovered That Method Used to Determine Total Residual Chlorine for Month of Nov Dpd Colorimetric Method.Actions Taken to Ensure Amperometric Method Used in Future | |
| ML20058E342 | 12 November 1993 | Environmental Assessment & Fonsi in Consideration of Issuance of Exemption from 10CFR50.120 | |
| ML20057A745 | 8 September 1993 | NPDES Noncompliance Notification:On 930608,aqueous Film Forming Foam Inadvertently Released to Unit 1 Yard Drain Sump from Test Conducted.Yard Drain Sump Isolated & Treated W/Approx 10 Gallons of Defoaming Agent | |
| ML20045G553 | 2 June 1993 | NPDES Noncompliance Notification for Apr 1993 for SONGS, Unit 2.Discrepancy in Analytical Technique Used to Determine Total Residual Chlorine Concentration.Amperometric Titration Method for Total Residual Chlorine Analysis Reinstated | |
| ML20127N625 | 18 January 1993 | NPDES Noncompliance Notification:On 921002,release of Water from Full Flow Condensate Polish Demineralizer Exceeded Max Concentration Limit of 100 Ppm.Caused by Valving Misalignment.Procedural Changes Implemented | |
| ML20127L513 | 18 January 1993 | NPDES Noncompliance Notification:On 920108,14,15, & 16 Ph Was Low at 5.4,5.2,5.2 & 5.9,respectively Due to Plant Going Through Nitrification State Which Causes Acid Production. Operational Controls Implemented | |
| ML20127N169 | 20 November 1992 | NPDES Noncompliance Notification:On 920825,total Residual Chlorine (TRC) Combined Discharge Exceeded Permit Limitation.Resample Analysis on Same Day & Subsequent TRC Measurements Have Been within Limits | |
| ML20127N160 | 20 November 1992 | NPDES Noncompliance Notification:On 920814,26 & 27,pH for Mesa Treatment Plant Permit Limitations of 6 to 9 Exceeded as Result of Treatment Plant Going Through Nitrification State.New Operational Controls Implemented | |
| ML20114D848 | 1 September 1992 | NPDES Noncompliance Notification:On 920616,total Residual Chlorine Concentration Measured at 300 ug/1.Caused by Improper Setting on Metering Pump.Pump Reset.On 920618,total Suspended Solids Exceeded Permit Limit of 100 mg/1 | |
| ML20090E291 | 28 February 1992 | NPDES Noncompliance Notification:On 911218,during Discharge of Full Flow Condensate Polishing Demineralizer Sump,Total Suspended Solids Exceeded Instantaneous Value of NPDES Permit.Extensive Cleanup of Sump Conducted | |
| ML20087B841 | 10 January 1992 | NPDES Noncompliance Notification:On 911116,circulating Water Differential Temp Exceeded 20 F Limit by 1 F.Caused by Limitation of Model Used to Predict Allowable Operating Temps.Procedure Changed | |
| ML20066F347 | 14 January 1991 | NPDES Noncompliance Notification:On 901124,daily Discharge Chlorine Residual Exceeded Limit.Chlorine Injection Pump Adjusted and Residual Returned within Limits on 901125 | |
| ML20059H900 | 6 September 1990 | NPDES Noncompliance Notification:On 900711 & 27,sewage Treatment Plant Effluent Sample Found Outside NPDES Permit Limit.Caused by Reduction in Flow,Resulting in Long Detention Times.Plant Corrected by Using Smaller Trains | |
| ML20235W118 | 31 December 1988 | Annual Personnel Monitoring Rept,1988 | |
| ML20155C708 | 29 September 1988 | NPDES Monitoring Rept for Aug 1988.All Sampled Water Sources within Permit Limits Except One Settleable Solids Test at Sewage Treatment Plant | |
| ML20207K164 | 26 September 1988 | Environ Assessment & Finding of No Significant Impact Re Temporary Exemption from 10CFR50.54(w)(5)(i) Requirements | |
| ML20154G575 | 12 September 1988 | NPDES Noncompliance Notification:On 880706,sampled Water Sources Exceeded Chlorination Limits.Chlorination Stopped. Chemical Pumps Reset & Testing Following Day Noted within Limits | |
| ML20155A446 | 2 June 1988 | NPDES Noncompliance Notification:On 880424,circulating Water Delta Temp Exceeded Daily Average by 1 Degree.Caused by Heat Treatment on Unit 2 Saltwater Cooling Discharge Which Was Lined Up to Unit 3 Intake.Procedures Changed | |
| ML20196J949 | 3 March 1988 | NPDES Noncompliance Notification:On 880117-26,BPS Sump Discharge High in Total Suspended Solids.Evaluation/Mod of Procedures in Progress to Prevent Recurrence | |
| ML20148R825 | 8 February 1988 | NPDES Permit CA0001228, Monitoring & Reporting Program 88-001, Issued to Southern California Edison Co | Grab sample |
| ML20154G893 | 31 December 1987 | Revised Personnel Whole Body Exposures for CY87 & Personnel Monitoring Rept & Notification Summary for 1987,per Reg Guide 1.16 | |
| ML20214U106 | 3 June 1987 | NPDES Monitoring Rept for Apr 1987.Low Vol Waste High in Average Grease & Oil.Maint of Sys Performed.Mesa Sewage Effluent Low in Average Ph Due to Low Flows.Chemical Adjustment of Ph Performed | |
| ML20207R640 | 11 March 1987 | NPDES Noncompliance Notification:On 870102,Unit 3 Oily Waste Separator High in Grease & Oil.Separator Removed from Svc for Cleaning & Repair.During Jan,Unit 1 Low Vol Waste Stream Also High in Grease & Oil.Oil Removed from Separator | |
| ML20209G270 | 30 January 1987 | NPDES Noncompliance Notification:On 861227,Delta T High (21 F) Following Heat Treatment.Changes in Operating Practices Implemented to Prevent Recurrence | |
| ML20211B954 | 2 October 1986 | NPDES Noncompliance Notification:On 860802 & 03,length of Heat Treatment & Combined Discharge Delta T Not within Permit Limits,Respectively.Cause Identified & Procedures Changed to Prevent Recurrence | |
| ML20205S166 | 5 June 1986 | Environ Assessment & Finding of No Significant Impact Supporting Operation of shutdown-related Sys That Do Not Meet 10CFR50,App R,Section Iii.G Requirements by Providing Equivalent Protection | |
| A000122, Addendum 2 to Order 82-14 to NPDES Permit CA0001228,revising Order 82-14 to Reflect Change in Max Allowable Sewage Treatment Plant Flow for Facility,Issued to Southern California Edison Co | 14 May 1986 | Addendum 2 to Order 82-14 to NPDES Permit CA0001228,revising Order 82-14 to Reflect Change in Max Allowable Sewage Treatment Plant Flow for Facility,Issued to Southern California Edison Co | Grab sample |
| ML20137R035 | 31 January 1986 | Fes Update | Annual Radiological Environmental Operating Report Biofouling |
| ML20199F647 | 31 December 1985 | Annual Radiological Environ Operating Rept for 1985, San Onofre Nuclear Generating Station Units 1,2 & 3 | Offsite Dose Calculation Manual Met Tower Annual Radiological Environmental Operating Report Earthquake Backfit |
| ML20099F913 | 31 December 1984 | Semiannual Effluent Rept for Jul-Dec 1984 | |
| ML20098H349 | 30 June 1984 | Semiannual Effluent Rept,Jan-June 1984 | Process Control Program |
| ML20084N854 | 27 April 1984 | Submits Const Monitoring & Reporting Program for Jan-Mar 1984.No Discharge Occurred During Time Period | |
| ML20092B093 | 31 December 1983 | Semiannual Effluent Rept Jul-Dec 1983 | Loop seal Grab sample |
| ML20083B416 | 30 June 1983 | Semiannual Effluent Rept,Jan-June 1983 | Grab sample |