The DUF6 facility at the Paducah Site in Kentucky. (Photo: DOE)
The Department of Energy’s Office of Environmental Management has awarded a $2.3 billion operations and site mission support services contract for the Portsmouth Paducah Project Office (PPPO) to Mission Conversion Services Alliance (MCSA), a limited liability company made up of Atkins Nuclear Secured, Westinghouse Government Services, and Jacobs Technology, with Swift & Staley and Akima Centerra Integrated Services as teaming subcontractors.
Portsmouth’s X-326 Process Building undergoes demolition in 2022. (Photo: DOE)
The Department of Energy’s Office of Environmental Management awarded a 10-year contract worth up to $5.87 billion to Southern Ohio Cleanup Company (SOCCo) of Aiken, S.C., for the decontamination and decommissioning of the DOE’s Portsmouth site in southern Ohio. SOCCo is a newly formed limited liability company comprising Amentum Environment and Energy, Fluor Federal Services, and Cavendish Nuclear (USA) Inc.
Paducah Site deactivation crews use negative air machines to open sodium fluoride traps. (Photo: DOE)
The Department of Energy’s Office of Environmental Management recently shipped for off-site disposal 14 sodium fluoride traps, or exchange vessels, from the C-310 Product Withdrawal facility at the DOE’s Paducah Gaseous Diffusion Plant site in Kentucky. DOE-EM said it has also eliminated the site’s entire inventory of chlorine gas cylinders.
Demolition of the Portsmouth Gaseous Diffusion Plant’s X-326 building was completed in June 2022. (Photo: Fluor-BWXT Portsmouth)
As part of its ongoing cleanup work, the Department of Energy’s Office of Environmental Management is looking into the potential reuse of approximately 6,400 tons of radiologically surface-contaminated nickel that has been removed from the Portsmouth Gaseous Diffusion Plant in Ohio. DOE-EM began decommissioning the Portsmouth plant, one of three Cold War–era gaseous diffusion plant in the United States, in 2011.
