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EIS-0277: Amendment to Record of Decision

Management of Certain Plutonium Residues and Scrub Alloy Stored at the Rocky Flats Environmental Technology Site, EIS-0277 (September 1999) 

The Department of Energy (DOE) has decided to revise the approach to be used to dispose of approximately 3,360 kg of sand, slag and crucible plutonium residues (containing approximately 130 kg of plutonium) that is currently stored at the Rocky Flats Environmental Technology Site. In an earlier Record of Decision on Management of Certain Plutonium Residues and Scrub Alloy Stored at the Rocky Flats Environmental Technology Site (63 FR 66136, December 1, 1998), DOE decided that the sand, slag and crucible residues would be shipped to the Savannah River Site for processing and storage pending disposition. With the opening of the Waste Isolation Pilot Plant (WIPP) in New Mexico on March 26, 1999, DOE has now decided instead to prepare the sand, slag and crucible residues for direct shipment to the repository for disposal. This will result in final disposition of this material several years earlier than the previous approach and would be more cost effective. The environmental impacts of alternative approaches for management of these residues are presented in the Final Environmental Impact Statement on Management of Certain Plutonium Residues and Scrub Alloy Stored at the Rocky Flats Environmental Technology Site (the EIS, DOE/EIS–0277F, August 1998).