DOE issued an amended Record of Decision for the Final Tank Closure and Waste Management Environmental Impact Statement for the Hanford Site, Richland, Washington, based on the 200 West Area Tank Waste Treatment supplement analysis (DOE/EIS-0391-SA-05).
Office of NEPA Policy and Compliance
October 21, 2025
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200 West Area Tank Waste Treatment at the Hanford Site; Richland, Washington
DOE issued an amended record of decision based on a supplement analysis (DOE/EIS-0391-SA-05) that assessed the implementation of alternative treatment of 200 West Area tank wastes from 22 to 24 shell waste storage tanks from the S, SX, and U tank farms.
For more information, see Tank Closure and Waste Management for the Hanford Site.