Supplement Analyses (SA)

A document that DOE prepares in accordance with DOE NEPA regulations (10 CFR 1021.314(c)) to determine whether a supplemental or new EIS should be prepared pursuant to CEQ NEPA regulations (40 CFR 1502.9(c)).

Note: To view additional SAs issued by Bonneville Power Administration (BPA), please visit the following webpage: https://www.bpa.gov/efw/Analysis/NEPADocuments/Pages/default.aspx. For example, SAs issued for BPA’s Transmission System Vegetation Management Program EIS (DOE/EIS-0285) may be found under “Program Reviews,” then “Transmission System Vegetation Management Program….”

DOE has prepared this Draft Supplement Analysis to assess the Proposed Action of implementing alternative treatment of 200 West Area tank wastes from 22 to 24 single shell waste storage tanks from the S, SX, and U tank farms at the Hanford Site in southeastern Washington. Comment period closes May 23, 2025.
Supplement Analysis for Continued Operation of the Department of Energy/National Nuclear Security Administration Nevada National Security Site and Off-Site Locations in the State of Nevada (DOE/EIS-0426-SA-01).