Summary
The National Nuclear Security Administration (NNSA), a semi-autonomous agency within the United States (U.S.) Department of Energy (DOE), announces its intent to prepare a Supplemental Environmental Impact Statement (SEIS) for Enhanced Plutonium Facility Utilization at Lawrence Livermore National Laboratory (LLNL or Laboratory) in Livermore, California (DOE/EIS–0547– S1), tiered from the 2023 LLNL Site- Wide Environmental Impact Statement (SWEIS) (2023 LLNL SWEIS)(DOE/EIS– 0547). The SEIS would continue ongoing operations at the LLNL Superblock and would add several new actions to support the enhanced Pu facility utilization.
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February 20, 2025
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January 13, 2025