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Category:NRC Preliminary Notification of Event/Occurrence
MONTHYEARPNO-IV-13-003, SONGS Decommissioning2013-06-0707 June 2013
PNO-IV-13-003 SONGS Decommissioning
PNO-IV-12-003, A - Update Augmented Inspection Team Onsite at San Onofre, Unit 32012-03-16016 March 2012
PNO-IV-12-003A - Update Augmented Inspection Team Onsite at San Onofre, Unit 3
ML12032A2432012-02-0101 February 2012
PNO-IV-12-003: San Onofre Unit 3 Steam Generator Tube Leak and Rapid Shutdown
ML1130606732011-11-0202 November 2011
PNO-IV SCE SONGS 3 Ammonia Leak Causes Evacuation of Unit 3 Turbine Building and Alert Declaration
PNO-IV-09-003, Southern California Edison, San Onofre Nuclear Generating Station, Subject: Contract Fire Watch Employee Terminated for Use of a Prohibited Substance in the Site Protected Area2009-03-12012 March 2009
PNO-IV-09-003, Southern California Edison, San Onofre Nuclear Generating Station, Subject: Contract Fire Watch Employee Terminated for Use of a Prohibited Substance in the Site Protected Area
PNO-IV-08-006, Southern California Edison Company (San Onofre Nuclear Generating Station), Seismic Event Near San Onfore Nuclear Generating Station and University of California (Irvine) Research Reactor, 07/29/20082008-07-29029 July 2008
PNO-IV-08-006: Southern California Edison Company (San Onofre Nuclear Generating Station), Seismic Event Near San Onfore Nuclear Generating Station and University of California (Irvine) Research Reactor, 07/29/2008
PNO-IV-07-008, D - Southern California Edison Co., Final Update - Southern California Brush Fires and San Onofre Nuclear Generating Station, 10/26/20072007-10-26026 October 2007
PNO-IV-07-008D - Southern California Edison Co., Final Update - Southern California Brush Fires and San Onofre Nuclear Generating Station, 10/26/2007
ML0729809102007-10-25025 October 2007
PNO-IV-07-008C: Update - Southern California Brush Fires and San Onofre Nuclear Generation Station (SONGS) Status, 10/25/2007
ML0729801882007-10-25025 October 2007
PNO-IV-07-008B: Update - Southern California Brush Fires and San Onofre Nuclear Generating Station Status
ML0729704662007-10-24024 October 2007
PNO-IV-07-008A, Update - Southern California Brush Fires and San Onofre Nuclear Generating Station Status
ML0729606372007-10-23023 October 2007
PNO-IV-07-008 Southern California Edison Company (San Onofre Units 2 & 3, Southern California Brush Fires and San Onofre Nuclear Generating Station Status, 10/23/2007
PNO-IV-07-006, A, San Onofre Nuclear Generating Station, Update to Unit 2 Reactor Shut Down (Event Notification EN 43435)2007-06-27027 June 2007
PNO-IV-07-006A, San Onofre Nuclear Generating Station, Update to Unit 2 Reactor Shut Down (Event Notification EN 43435)
ML0717304982007-06-22022 June 2007
PNO-IV-07-006 - Southern California Edison (San Onofre Nuclear Generating Station, Unit 2, Unit 2 Reactor Shutdown (Event Notification EN 43435), 06/22/2007
PNO-IV-06-010, Southern California Edison Subject: Tritium Detected in Water Samples Taken on the Site2006-08-15015 August 2006
PNO-IV-06-010: Southern California Edison Subject: Tritium Detected in Water Samples Taken on the Site
PNO-IV-06-004, San Onofre, Unit 3, Shutdown of San Onofre Unit 3 to Investigate Safety Injection Tank Gaskets2006-03-29029 March 2006
PNO-IV-06-004 - San Onofre, Unit 3, Shutdown of San Onofre Unit 3 to Investigate Safety Injection Tank Gaskets
PNO-IV-05-004, SONGS - Shutdown to Repair Component Cooling Water Valve2005-02-18018 February 2005
PNO-IV-05-004: SONGS - Shutdown to Repair Component Cooling Water Valve
PNO-IV-04-003, Southern California Edison, Unit 3 Shutdown to Repair a Letdown System Piping Leak2004-01-27027 January 2004
PNO-IV-04-003: Southern California Edison, Unit 3 Shutdown to Repair a Letdown System Piping Leak
PNO-IV-02-047, Earthquake of Magnitude of 4.6 Approximately 40.0 Miles Northeast from San Onofre Nuclear Plant2002-09-0303 September 2002
PNO-IV-02-047: Earthquake of Magnitude of 4.6 Approximately 40.0 Miles Northeast from San Onofre Nuclear Plant
PNO-IV-02-002, Arrest Associated with Alleged Threats Against Employees at San Onofre Nuclear Generating Station2002-01-10010 January 2002
PNO-IV-02-002: Arrest Associated with Alleged Threats Against Employees at San Onofre Nuclear Generating Station
2013-06-07
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October 25, 2007 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE -- PNO-IV-07-008B This preliminary notification constitutes EARLY notice of events of POSSIBLE safety or public interest significance. The information is as initially received without verification or evaluation, and is basically all that is known by the Region IV, Arlington, Texas, staff on this date. Facility Southern California Edison Co. San Onofre Unit 2 & 3 San Clemente, CA 92674 Docket: 50-361, 50-362 License: NPF-10, NPF-15 Licensee Emergency Classification Notification of Unusual Event Alert Site Area Emergency General Emergency X Not Applicable
SUBJECT:
UPDATE - SOUTHERN CALIFORNIA BRUSH FIRES AND SAN ONOFRE NUCLEAR GENERATING STATION STATUS DESCRIPTION: NRC Region IV remains in Monitoring Mode, which was entered at 3:35 a.m.
PDT, October 24, to track brush fires in the vicinity of San Onofre Nuclear Generating Station. Both units remain shut down for maintenance related outages.
The closest fires are approximately nine miles to the Southeast of the plant. Sufficient transmission lines remain unaffected by the brush fires to provide off-site electrical power to the site to support safe operation of the plant. Currently, six of nine offsite electrical power feeds to the site are supplying or are available to provide power to on-site electrical loads. The licensee is evaluating the impact of the three isolated transmission lines on plant operations. NRC inspectors are on site monitoring licensee activities including control room and licensee and offsite response activities.
NRC staff continues to coordinate with the licensee and FEMA to evaluate the impacts of the Southern California fires on grid stability and emergency response capabilities as the licensee makes preparations for the restart of Unit 2. Interstate 5, which runs by the facility, had previously experienced intermittent closures. It is now fully open to traffic.
The state of California has been informed. This information has been discussed with licensee management and is current as of 6:45 a.m. PDT on October 25, 2007.
Region IV continues to communicate with the California Radiation Control Program (RCP) which is monitoring the status of their materials licensees in the affected areas. Region IV has determined that no licensees with large radioactive sources (Category 1 and 2) are currently threatened. California RCP has indicated that no NRC assistance is needed at this time. The California wildfires are receiving widespread media coverage, with some interest regarding the impact on San Onofre Nuclear Generating Station.
This preliminary notification is issued for information only.
ADAMS ACCESSION NUMBER: ML072980188
CONTACTS: Geoffrey Miller Victor Dricks 972-989-2529 817-860-8128 gbm@nrc.gov vld@nrc.gov
