Spill of Highly Enriched Uranium Solution at NRC Facility
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Type:  Lessons Learned

Publisher:  Fluor Hanford, Richland, WA

Published As:  Public

Date: 

Topics:  Environmental Protection, Nuclear/Nuclear Safety, Operations, Glovebox & Containment Systems

Highly enriched uranium (HEU) solution was spilled at a Nuclear Regulatory Commission facility. Before the spill, a system diagram (a new process system) was updated and mistakenly indicated that a sample valve was a ball valve. The sample valve diverted flow to a sample line without stopping flow to the glovebox. Workers mistakenly believed that the valve isolated the glovebox from the HEU transfer line.

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