Notice of Availability of the Final Site-Wide Environmental Impact Statement for the Y-12 National Security Complex

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The National Nuclear Security Administration (NNSA), a semi- autonomous agency within the Department of Energy (DOE), announces the availability of the Final Site-Wide Environmental Impact Statement for the Y-12 National Security Complex (Final Y-12 SWEIS, DOE/EIS-0387). The Final Y-12 SWEIS analyzes the potential environmental impacts of ongoing and future operations and activities at Y-12, including alternatives for changes to site infrastructure and levels of operation (using production capacity as the key metric for comparison), and addresses public comments received on the Draft SWEIS and the Wetlands Assessment related to the proposed Haul Road extension corridor. Five alternatives are analyzed: No Action Alternative (maintain the status quo); Uranium Processing Facility (UPF) Alternative; Upgrade-in-Place Alternative; Capability-sized UPF Alternative; and the No Net Production/Capability-sized UPF Alternative. DOE NNSA has prepared the Final Y-12 SWEIS in accordance with the National Environmental Policy Act (NEPA), the Council on Environmental Quality (CEQ) regulations that implement the procedural provisions of NEPA (40 CFR parts 1500-1508), and DOE regulations implementin