Y–12 National Security Complex

The National Nuclear Security Administration (NNSA) of the U.S. Department of Energy (DOE) is issuing this Record of Decision (ROD) for the Y–12 National Security Complex (Y–12) in Oak Ridge, Tennessee based on information and analyses contained in the Final Site-Wide Environmental Impact Statement for the Y–12 National Security Complex, DOE/EIS–0387 (Y–12 Final SWEIS, Y–12 SWEIS or 2011 Y– 12 SWEIS) issued on March 4, 2011; comments on the Draft and Final Y–12 SWEIS; and other factors, including costs, security considerations and the missions of NNSA.