ENS 49136
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ENS Event | |
---|---|
19:10 Jun 19, 2013 | |
Title | Unusual Event Declared Due to Co2 Release in the Auxiliary Building |
Event Description | At 1410 CDT, Grand Gulf declared an Unusual Event for EAL H.U.5, release of toxic and flammable gases adverse to normal operation of the plant. CO2 was discharged in the electrical switchgear room in the auxiliary building. No injuries or fatalities were found after an initial search of the area. The cause of the CO2 discharge is under investigation.
The NRC Resident Inspector was notified. Notified DHS SWO, FEMA, DHS NICC, and Nuclear SSA via email.
All areas of the auxiliary building have been verified to have no oxygen deficiency." The Unusual Event was terminated at 1628 CDT. The NRC Resident Inspector was notified. Notified R4DO (Walker), NRR EO (Giitter), and IRD (Marshall). Notified DHS SWO, FEMA, DHS NICC, and Nuclear SSA via email. |
Where | |
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Grand Gulf ![]() Mississippi (NRC Region 4) | |
Reporting | |
Emergency class: | Unusual Event |
10 CFR 50.72(a) (1) (i), Emergency Class Declaration | |
Time - Person (Reporting Time:+-3.67 h-0.153 days <br />-0.0218 weeks <br />-0.00503 months <br />) | |
Opened: | Russell Burditt 15:30 Jun 19, 2013 |
NRC Officer: | Dong Park |
Last Updated: | Jun 19, 2013 |
49136 - NRC Website
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Unit 1 | |
---|---|
Reactor critical | Critical |
Scram | No |
Before | Power Operation (100 %) |
After | Power Operation (100 %) |
WEEKMONTHYEARENS 550562021-01-07T07:24:0007 January 2021 07:24:00
[Table view]10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Declared Due to Rise in Drywell Unidentified Reactor Coolant System Leakage ENS 511372015-06-08T03:59:0008 June 2015 03:59:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event - Fire in Protected Area Lasting Greater than 15 Minutes ENS 491362013-06-19T19:10:00019 June 2013 19:10:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Declared Due to Co2 Release in the Auxiliary Building ENS 490252013-05-12T22:43:00012 May 2013 22:43:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Due to Fire on Auxiliary Transformer Inside Protected the Area ENS 478252012-04-11T23:26:00011 April 2012 23:26:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Due to a Fire in the 'A' Main Condenser ENS 446622008-11-17T15:25:00017 November 2008 15:25:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Declared Due to Fire in Protected Area Lasting Greater than 15 Minutes 2021-01-07T07:24:00 | |
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