ENS 43636
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ENS Event | |
|---|---|
10:01 Sep 13, 2007 | |
| Title | Notice of Unusual Event for a Hydrazine Spill in the Turbine Building |
| Event Description | A Notification of an Unusual Event was declared at 06:01 EDT due to a chemical leak in the Turbine Building truck dock area near a roll-up door. The leak was discovered at 05:40 EDT coming from a line connecting two vertically stacked Hydrazine Metal chemical storage totes located inside a ventilated enclosure. The Hazmat Response Incident Team was formed to address the spill. Approximately 10 gallons is inside the enclosure berm. A small amount of liquid has leaked outside the enclosure berm but has been contained. Containment activities are in progress. Leak rate appears to be significantly less. Additional plant staff has been called in to support and are arriving on site at the time of this notification. The area has been roped off and plant announcements to warn personnel of this hazard have been made. (EAL-11.4, Plant Conditions Warrant Increased Awareness by Plant Staff)
The licensee notified the NRC Resident Inspector, state and local government agencies.
The licensee terminated the Notice of Unusual Event. The termination criteria was that the spill was stopped and the licensee has established limited personnel access restrictions to the turbine building truck bay and the service building elevator. The licensee is continuing to clean the area. The licensee notified the NRC Resident Inspector and will be notifying state and local government agencies. Notified R4DO (Shannon), NRR (Ross-Lee), IRD (Blount), DHS (Haselton) and FEMA (Laforty). |
| Where | |
|---|---|
Ft Calhoun  Nebraska (NRC Region 4) | |
| Reporting | |
| Emergency class: | Unusual Event |
| 10 CFR 50.72(a) (1) (i), Emergency Class Declaration | |
| Time - Person (Reporting Time:+-3.22 h-0.134 days <br />-0.0192 weeks <br />-0.00441 months <br />) | |
| Opened: | Kevin Boston 06:48 Sep 13, 2007 |
| NRC Officer: | Pete Snyder |
| Last Updated: | Sep 13, 2007 |
| 43636 - NRC Website
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Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
WEEKMONTHYEARENS 514392015-10-02T14:05:0002 October 2015 14:05:00
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