ENS 48464
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ENS Event | |
---|---|
19:18 Oct 31, 2012 | |
Title | Notice of Unusual Event Due to Security Condition |
Event Description | The licensee declared an Unusual Event based upon a security condition at the site. Compensatory measures are being put in place. Contact the Headquarters Operations Officer for additional details. The NRC Resident Inspector has been notified.
Notified DHS SWO, FEMA, DHS NICC and NuclearSSA via email.
The licensee terminated the NOUE at 1754 CDT. Notified NRR EO (Nieh), IRD (Morris), and R3DO (Kozak), DHS SWO, FEMA, DHS NICC and NuclearSSA via email. |
Where | |
---|---|
Prairie Island ![]() Minnesota (NRC Region 3) | |
Reporting | |
Emergency class: | Unusual Event |
10 CFR 50.72(a) (1) (i), Emergency Class Declaration | |
Time - Person (Reporting Time:+-3.62 h-0.151 days <br />-0.0215 weeks <br />-0.00496 months <br />) | |
Opened: | Mark Loosbrock 15:41 Oct 31, 2012 |
NRC Officer: | Charles Teal |
Last Updated: | Oct 31, 2012 |
48464 - NRC Website
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Unit 1 | |
---|---|
Reactor critical | Not Critical |
Scram | No |
Before | Cold Shutdown (0 %) |
After | Cold Shutdown (0 %) |
Unit 2 | |
---|---|
Reactor critical | Critical |
Scram | No |
Before | Power Operation (100 %) |
After | Power Operation (100 %) |
WEEKMONTHYEARENS 565432023-05-27T23:34:00027 May 2023 23:34:00
[Table view]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 Notification of Unusual Event Due to Multiple Fire Alarms in Containment Not Verified within 15 Minutes ENS 521782016-08-14T04:59:00014 August 2016 04:59:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Declared Due to Excessive Reactor Coolant System Leakage ENS 516092015-12-17T19:18:00017 December 2015 19:18:00 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 Fire Alarm in Containment Not Verified within 15 Minutes ENS 508662015-03-05T10:06:0005 March 2015 10:06:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unit 2 Declares Unusual Event Due to Inability to Validate a Containment Fire Alarm within 15 Minutes ENS 484642012-10-31T19:18:00031 October 2012 19:18:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Notice of Unusual Event Due to Security Condition ENS 477202012-03-06T12:24:0006 March 2012 12:24:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Notification of Unusual Event Due to Unidentified Rcs Leakage Greater than 10 Gpm ENS 475692012-01-05T09:53:0005 January 2012 09:53:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Sodium Hypochlorite Leak Resulted in Airborne Concentrations Potentially Dangerous to Life and Health ENS 443802008-08-03T08:52:0003 August 2008 08:52:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event - Hydrazine Leak in Non-Vital Area of the Turbine Building 2023-05-27T23:34:00 | |
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