ENS 49136

v t e 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. * * UPDATE ON 1748 EDT AT 6/19/2013 FROM RUSSELL BURDITT TO DONG PARK * * * 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.

ENS 49136 +/-
Where
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
v • d • e

v t e Emergency Notification System
Grand Gulf with 10 CFR 50.72(a)(1)(i), Emergency Class Declaration
WEEKMONTHYEAR2021-01-07T07:24:00 [Table view]
[ENS list for Grand Gulf]

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