Ken O'Brien, NRC R3 Chief of the Fuels Cycle Branch, called at 0704 EDT to inform us that
Honeywell had a chemical release and they had declared an Alert at 0531
CDT. There was no radiological release associated with this event.
The event occurred when a plant employee attempted to obtain a sample from a tank of antimony pentaflouride. During the sampling process, the tank was inadvertently over pressurized and was vented outside of the building to atmosphere. The winds in the area during the release directed the chemical away from town. The building was isolated and the tank reduced to sub-atmospheric pressure by the plant response personnel. Their were no injuries as a result of the incident.
An all-clear was given at 0655 CDT and the Alert was terminated at 1114 CDT.
The Paducah Gaseous Diffusion Plant NRC Resident Inspector was notified by Honeywell.
Notified the following federal agencies:
FEMA(Caldwell), HHS-CDC(Davidson), DHS-DOE Desk(Yates),
DOE(Turner), USDA(Thomas), NRC-EPA(Baumgarner).