ENS 43764
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ENS Event | |
|---|---|
14:44 Nov 2, 2007 | |
| Title | Suspicious Explosive Device Discovered in Vehicle at Oca Access Checkpoint |
| Event Description | On November 2, 2007 at 0744 [MST], Palo Verde Nuclear Generating Station Units 1, 2 and 3 declared a Notification of an Unusual Event as specified in the Emergency Plan. The basis for the Emergency Class declaration was detection of a credible threat: an explosive device was detected during a vehicle search at the site access check point. The site has entered its Deliberate Acts procedure. The device was discovered in a contract employee's vehicle at 0525 MST. It was confirmed to be an explosive device at 0730 MST by the Maricopa County Sheriff's Office (MCSO). The explosive device was removed from the site by MCSO and Federal Bureau of Investigation (FBI) at 0852. The individual driving the vehicle has been detained by MCSO. No other individuals were in the vehicle at the time.
Palo Verde Unit 1 is in Mode 2 at approximately 2% power. Unit 2 is in Mode 1 at 100% power. Unit 3 is defueled undergoing steam generator replacement. No reactor protection system or engineered safety feature system actuations have occurred and none are required. No major structures, systems, or components are inoperable impacting the continued safe operation of the units. Plans are to continue Mode 2 operations in Unit 1 and Mode 1 full power operation in Unit 2. Further investigation is ongoing in cooperation with MCSO and the FBI. Security is conducting searches of the site. No additional concerns have been identified at this time. The security event has not resulted in any challenges to the fission product barrier or result in any releases of radioactive materials. There were no adverse safety consequences or implications as a result of the security event declaration. A news release was made at 11:10 a.m. The licensee notified the NRC Resident Inspector.
At 1447 MST site security posture has changed from Code Red to Code Yellow Heightened Awareness, and at 1504 MST licensee exited the Unusual Event,. The licensee has notified the NRC Resident Inspector, state and local agencies, and will be issuing a press release this evening. Notifications were given to the following: R4 (Art Howell), R4DO(Powers), NRR EO (Bateman), IRD Manager (Blount), ILTAB (Sandler), DHS (York), FEMA (Dunker), DOE (Wyatt), FBI-SIOC (Curry), HHS (White), USDA (Phillip).
The licensee downgraded the security posture at the site from Code Yellow Heightened Awareness to Code Yellow. The licensee notified the NRC Resident Inspector. Notified R4DO (Powers) and ILTAB (Sandler).
Arizona Public Service Company (APS) is retracting security-related Event Notification #43764 and notification of unusual event (NUE) reported on November 2, 2007. Based upon investigations performed by the Federal Bureau of Investigation (FBI), Maricopa County Sheriff's Office (MCSO) and Palo Verde Security department, APS has determined that there was no explicit nor credible threatened action as described in 10 CFR 73.71, Appendix G, Paragraph I. These investigations revealed that the previously reported explosive device was placed in the owner's truck bed without his knowledge. Therefore, there is no reason to believe that a person has committed or caused, or attempted to commit or cause, or has made a credible threat to commit or cause: theft or unlawful diversion of special nuclear material; or significant physical damage to a power reactor; or interruption of normal operation of a licensed nuclear power reactor. The licensee notified the NRC Resident Inspector. R4DO (Farnholtz) has been notified and an e-mail sent to ILTAB and the 73.71 group. |
| Where | |
|---|---|
Palo Verde  Arizona (NRC Region 4) | |
| Reporting | |
| Emergency class: | Unusual Event |
| 10 CFR 50.72(a) (1) (i), Emergency Class Declaration 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release | |
| Time - Person (Reporting Time:+-3.82 h-0.159 days <br />-0.0227 weeks <br />-0.00523 months <br />) | |
| Opened: | Brian Ferguson 10:55 Nov 2, 2007 |
| NRC Officer: | Karl Diederich |
| Last Updated: | Dec 19, 2007 |
| 43764 - NRC Website
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Unit 2 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
Palo Verde with 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration | |
WEEKMONTHYEARENS 570662024-04-04T23:18:0004 April 2024 23:18:00
[Table view]10 CFR 50.72(a)(1)(i), Emergency Class Declaration Notification of Unusual Event Due to Fire Alarm in the Vital Area ENS 564872023-04-26T06:15:00026 April 2023 06:15:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification - Spilled Sodium Hypochlorite ENS 552052021-04-22T16:25:00022 April 2021 16:25:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Inadvertant Activation of Emergency Sirens ENS 537022018-10-29T07:00:00029 October 2018 07:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification of Non- Work Related Fatality ENS 524352016-12-15T11:10:00015 December 2016 11:10:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Alert Declared - Catastrophic Failure of an Emergency Diesel Generator ENS 518442016-04-02T05:29:0002 April 2016 05:29:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Sodium Hypochlorite Spill on Site ENS 515222015-11-09T12:47:0009 November 2015 12:47:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Declared Due to Containment Fire Alarm ENS 514032015-09-17T06:01:00017 September 2015 06:01:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Notification of Unusual Event Due to Rapid Combustion of a Load Center Breaker ENS 509842015-04-15T02:20:00015 April 2015 02:20:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Sodium Hydroxide Spill Onsite Exceeding Reportable Quantity ENS 502372014-06-29T05:06:00029 June 2014 05:06:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event - Earthquake Felt on Site ENS 494822013-10-29T13:05:00029 October 2013 13:05:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Employee Fatality ENS 493172013-09-03T02:26:0003 September 2013 02:26:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Declared Due to Fire in the Turbine Building ENS 491692013-07-03T07:00:0003 July 2013 07:00:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Notice of Unusual Event Due to Explosion in a Non-Safety Related Load Center ENS 483472012-09-26T20:36:00026 September 2012 20:36:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Attempted Entry Onto the Site by an Illegal Alien with False Identification ENS 476882012-02-23T01:45:00023 February 2012 01:45:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Suspicious Package Discovered on Site ENS 473332011-10-08T23:19:0008 October 2011 23:19:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Notification of Unusual Event Due to Severe Electrical Fault in Rcp Junction Box ENS 470502011-07-14T21:11:00014 July 2011 21:11:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release News Release Regarding Arrest of Illegal Immigrant Working at Palo Verde ENS 466342011-02-22T16:09:00022 February 2011 16:09:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Loss of Potable Water Supply ENS 460252010-06-18T15:08:00018 June 2010 15:08:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Declared Due to Damaged Energized Equipment ENS 458232010-04-08T17:15:0008 April 2010 17:15:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Earthquake ENS 458112010-04-04T22:42:0004 April 2010 22:42:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Declared Due to an Earthquake ENS 457842010-03-23T01:11:00023 March 2010 01:11:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Notification of Unusual Event Due to Unidentified Leakage Greater than 10 Gpm ENS 457482010-03-07T18:24:0007 March 2010 18:24:00 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Notification of Unusual Event Due to Electrical Fault Causing Damage to Equipment ENS 444012008-08-08T22:20:0008 August 2008 22:20:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification to Maricopa County Environmental Services ENS 438762007-12-31T15:40:00031 December 2007 15:40:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Death of an Employee Outside the Protected Area ENS 437642007-11-02T14:44:0002 November 2007 14:44:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Suspicious Explosive Device Discovered in Vehicle at Oca Access Checkpoint ENS 423812006-03-02T21:30:0002 March 2006 21:30:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification ENS 421012005-10-31T19:02:00031 October 2005 19:02:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Media Interest ENS 419602005-08-29T17:30:00029 August 2005 17:30:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Off Site Notifications Due to Loss of Inoperable Emergency Evacuation Siren ENS 419412005-08-23T20:49:00023 August 2005 20:49:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Two Emergency Sirens Inoperable ENS 419122005-08-11T15:45:00011 August 2005 15:45:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness One Emergency Preparedness Siren Out of Service ENS 418102005-06-29T11:43:00029 June 2005 11:43:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Evacuation Siren Inoperable ENS 414972005-03-16T01:51:00016 March 2005 01:51:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notifications Due to Caustic Spill ENS 412682004-12-17T17:53:00017 December 2004 17:53:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notifications Made Due to Spill of Approximately 1400 Pounds of Sulfuric Acid ENS 408162004-06-14T14:44:00014 June 2004 14:44:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration, 10 CFR 50.72(b)(3)(iv)(A), System Actuation Unusual Event Due to Reactor Trip Due to Loss of Off Site Power ENS 408152004-06-14T14:44:00014 June 2004 14:44:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration, 10 CFR 50.72(b)(3)(iv)(A), System Actuation Unusual Event Declared Due to Reactor Trip Due to Loss of Off Site Power ENS 408142004-06-14T14:44:00014 June 2004 14:44:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration, 10 CFR 50.72(b)(3)(iv)(A), System Actuation Alert Declared - Reactor Trip Due to Loss of Off Site Power ENS 406802004-04-17T14:26:00017 April 2004 14:26:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification - Small Fire at Palo Verde 1: Two Employees Injured, No Plant Equipment Damage ENS 405612004-03-01T23:49:0001 March 2004 23:49:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Press Release Regarding Boron Residue ENS 405332004-02-20T17:33:00020 February 2004 17:33:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to a Press Release Concerning the Unit 2 Shutdown 2024-04-04T23:18:00 | |
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