ENS 46755
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ENS Event | |
|---|---|
19:35 Apr 14, 2011 | |
| Title | Offsite Notification to State of California Due to Hydrogen Leak |
| Event Description | During a scheduled delivery of Hydrogen to Unit 2's active and reserve hydrogen banks, a hydrogen leak was detected at the hydrogen fill connection isolation valve. A notification was made for an uncontrolled release of hazardous material to San Diego Department of Environmental Health at 12:35 PST and California Emergency Management Agency at 12:40 PST. Upon detection, the leak was isolated.
The licensee has notified the NRC Resident Inspector. |
| Where | |
|---|---|
San Onofre  California (NRC Region 4) | |
| Reporting | |
| 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release | |
| Time - Person (Reporting Time:+-2.72 h-0.113 days <br />-0.0162 weeks <br />-0.00373 months <br />) | |
| Opened: | Travis Felder 16:52 Apr 14, 2011 |
| NRC Officer: | John Knoke |
| Last Updated: | Apr 14, 2011 |
| 46755 - NRC Website | |
Unit 2 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
WEEKMONTHYEARENS 563762023-02-21T22:02:00021 February 2023 22:02:00
[Table view]10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification to Local Agency ENS 546122020-03-26T03:00:00026 March 2020 03:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification for Sewage Release ENS 541792019-07-23T21:05:00023 July 2019 21:05:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification ENS 535802018-09-05T07:00:0005 September 2018 07:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Notification to a Government Agency for Assistance Relative to a Medical Emergency ENS 522522016-09-19T19:30:00019 September 2016 19:30:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification to San Diego Regional Water Quality Control Board ENS 510182015-04-27T22:27:00027 April 2015 22:27:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification to Local Agency ENS 504702014-09-18T19:35:00018 September 2014 19:35:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification - Failure to Submit Required Semi-Annual and Annual Samples and Reports Per Npdes ENS 501152014-05-14T21:54:00014 May 2014 21:54:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Press Release Concerning Wildfire Near the Facility ENS 489132013-04-11T06:26:00011 April 2013 06:26:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Fbi Notified Due to Degraded Security Radio Communications ENS 484282012-10-21T15:05:00021 October 2012 15:05:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Hydrogen Leakage ENS 483442012-09-26T00:07:00026 September 2012 00:07:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to a Freon Leak from Building Air Conditioner ENS 474812011-11-28T14:00:00028 November 2011 14:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification of Unplanned Acidic Solution Discharge ENS 474012011-11-01T21:50:0001 November 2011 21:50:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Alert Declared Due to an Ammonia Leak ENS 472892011-09-23T00:30:00023 September 2011 00:30:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification to County Agency Due to Inadvertent Wastewater Discharge ENS 469042011-05-29T16:57:00029 May 2011 16:57:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to an On-Site Sulfuric Acid Spill ENS 467552011-04-14T19:35:00014 April 2011 19:35:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification to State of California Due to Hydrogen Leak ENS 466212011-02-17T23:11:00017 February 2011 23:11:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Hydrazine Spill Contained Onsite ENS 466162011-02-15T19:40:00015 February 2011 19:40:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Off-Site Notification of Sewage Spill Contained On-Site (<100 Gallons) ENS 466122011-02-12T00:15:00012 February 2011 00:15:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification of a Sewage Spill Contained Onsite ENS 465502011-01-18T17:45:00018 January 2011 17:45:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Siren Growl Heard Offsite ENS 464992010-12-21T04:20:00021 December 2010 04:20:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Access to Primary Emergency Operations Facility Not Possible Due to Flooding ENS 463952010-11-04T22:04:0004 November 2010 22:04:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Portal Radiation Monitor Alarm on a Scrap Shipment ENS 461332010-07-28T16:45:00028 July 2010 16:45:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification of a Sulfuric Acid Spill ENS 460472010-06-25T21:27:00025 June 2010 21:27:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Hazmat Spill Requiring Offsite Notifications ENS 459432010-05-21T20:20:00021 May 2010 20:20:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification to California Department of Public Health ENS 458602010-04-20T18:03:00020 April 2010 18:03:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification - Sodium Hydroxide Released Into Berm ENS 456842010-02-08T08:10:0008 February 2010 08:10:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Emergency Siren Spurious Actuation ENS 456362010-01-19T12:30:00019 January 2010 12:30:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Emergency Siren Spurious Actuation ENS 453282009-09-04T00:30:0004 September 2009 00:30:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification to Los Angeles County Public Health Radiation Management Division ENS 452742009-08-19T18:50:00019 August 2009 18:50:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification for Inadvertant Actuation of Sirens for 10 Seconds ENS 449852009-04-12T11:30:00012 April 2009 11:30:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Sulfuric Acid Spill Into Burm ENS 449832009-04-10T16:00:00010 April 2009 16:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Sulfuric Acid Overflow ENS 443742008-07-29T21:00:00029 July 2008 21:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Press Release Concerning Impact of Earthquake on Southern California Edison Assets ENS 439332008-01-25T17:00:00025 January 2008 17:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Inadvertent Actuation of Emergency Siren ENS 426442006-06-14T05:05:00014 June 2006 05:05:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification - Auto Accident Fatality ENS 423702006-02-23T12:00:00023 February 2006 12:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Minor Leakage of Wastewater from Transport Truck ENS 406192004-03-28T21:49:00028 March 2004 21:49:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification at San Ofre 2 and 3 Due to Inadvertent Weapon Discharge 2023-02-21T22:02:00 | |
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