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DOE completes cocooning of Hanford’s K East Reactor

October 31, 2022, 9:30AMRadwaste Solutions

DOE contractor CPCCo recently completed construction of a protective cocoon over the former K East Reactor building at Hanford. (Photo: DOE)

The Department of Energy’s Office of Environmental Management (EM) announced that construction of Hanford’s K East Reactor cocoon has been completed ahead of schedule and under budget. Cocooning of K East—enclosing it in a protective steel structure while the reactor’s radioactivity naturally decays—was one of EM’s key construction priorities for 2022.

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DOE completes cocooning of Hanford’s K East Reactor

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