Supplement Analyses (SA)

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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….”

July 15, 2020
DOE/EIS-0387-SA-04: Supplement Analysis
Supplement analysis for the Y-12 National Security Complex Site-Wide EIS, Earthquake Accident Analysis (DOE/EIS-0387-SA-04).
April 9, 2020
DOE/EIS-0387-SA-04: Draft Supplement Analysis
Draft SA to evaluate the potential impacts of an earthquake accident at Y-12, based on updated seismic hazard information.
March 10, 2020
DOE/EIS-0380-SA-06: Draft Supplement Analysis
A draft SA of the 2008 SWEIS for Continued Operations of Los Alamos National Laboratory
February 26, 2020
DOE/EIS-0075-SA-04: Supplement Analysis
Operational and Engineering Modifications and Regulatory Review – Supplement Analysis of Site-Specific and Programmatic EISs, Strategic Petroleum...
December 11, 2019
DOE/EA-2073-SA-01: Supplement Analysis
DOE/EA-2073-SA-01 analyzes additional planned actions for the SPR LE-II project.
June 26, 2019
DOE/EIS-0236-S4-SA-02: Draft Supplement Analysis
Proposal to produce a minimum of 50 pits/yr at a repurposed MFFF at SRS and a minimum of 30 pits/yr at LANL with addt'l surge capacity at each site
June 3, 2019
EIS-0423-SA-01: Supplement Analysis
Evaluates changes in environmental conditions at the WCS facility near Andrews, Texas, that may have occurred since the EIS and SEIS were published
May 6, 2019
EIS-0218-SA-08: Supplement Analysis
NNSA proposes to extend the Foreign Research Reactor Spent Nuclear Fuel Acceptance Program through May 12, 2029 and implement the Policy on Exemptions
January 17, 2019
EIS-0391-SA-02: Supplement Analysis
Provides an analysis of the direct-feed low-activity waste approach relative to the analysis in the Tank Closure and Waste Management EIS
September 4, 2018
EIS-0387-SA-03: Supplement Analysis
Y-12 NATIONAL SECURITY COMPLEX
August 31, 2018
DOE/EIS-0236-S4-SA-01: Supplement Analysis
Removal of One Metric Ton of Plutonium from the State of South Carolina to Nevada, Texas, and New Mexico
August 8, 2018
EIS-0225-SA-06: Supplement Analysis
Continued Operation of the Pantex Plant and Associated Storage of Nuclear Weapon Components
April 19, 2018
EIS-0380-SA-05: Supplement Analysis
Site-Wide Environmental Impact Statement for Continued Operation of Los Alamos National Laboratory, Los Alamos, New Mexico
January 16, 2018
EIS-0348-SA-05: Supplement Analysis
Supplement Analysis of the Lawrence Livermore National Laboratory Final Site-wide EIS for the Exascale Computing Facility Modernization (ECFM) Project
December 5, 2017
EIS-0026-SA-11: Supplement Analysis
New Permanent Ventilation System
June 7, 2017
EIS-0425: Supplement Analysis (SA-04)
Mid-Columbia Coho Restoration Program Final EIS; Natapoc Hatchery Design Revisions
January 17, 2017
EIS-0220-SA-02 and EIS-0279-SA-06: Supplement Analysis

Supplement Analysis of the Mark-18A Target Material Recovery Program at the Savannah River Site

December 23, 2016
EIS-0026-SA-10: Supplement Analysis
Waste Isolation Pilot Plant Site-Wide Operations, Carlsbad, New Mexico
December 14, 2016
EIS-0425: Supplement Analysis (SA-03)
Mid-Columbia Coho Restoration Program Final EIS; Trinity Acclimation Pond
December 5, 2016
EIS-0380-SA-04: Supplement Analysis
Site-Wide Environmental Impact Statement for Continued Operation of Los Alamos National Laboratory, Los Alamos, New Mexico
August 30, 2016
EIS-0425: Supplement Analysis (SA-06)
Mid-Columbia Coho Restoration Program Final EIS; Early Winters 3 Acclimation Ponds
May 11, 2016
EIS-0380-SA-03: Supplement Analysis

Proposal to Implement Facility Modifications to Maintain Safe Handling and Storage, and to Conduct Processing Studies of 60 Transuranic Remediated...

May 2, 2016
EIS-0387-SA-01: Supplement Analysis

Site-Wide Environmental Impact Statement for the Y-12 National Security Complex

February 22, 2016
EA-1534-SA-01: Supplement Analysis

Proposed Use of a Tritium Gas Target at the Thomas Jefferson National Accelerator Facility; Newport News, VA

February 16, 2016
EA-1415: Supplement Analysis

Proposed Conveyance of the American Museum of Science and Energy and Associated Property, Parcel G, and Parcel 279.01