Yucca Mountain repository proposals

Yucca Mountain repository proposals
Name	Yucca Mountain repository proposals
Caption	Yucca Mountain, Nevada
Country	United States
State	Nevada
County	Nye County

Yucca Mountain repository proposals The Yucca Mountain repository proposals were a series of plans to develop a deep geological repository for high-level radioactive waste at Yucca Mountain in Nevada. Proposals involved national laboratories, federal agencies, presidential administrations, Congressional committees, state officials, and tribal governments in long-running debates over geology, engineering, environmental law, and public policy. Key actors included the United States Department of Energy, the Nuclear Regulatory Commission, the Senate of the United States, and the Nevada Test Site stakeholders.

Background and site selection

Proposals emerged after the Atomic Energy Act of 1954 and the Nuclear Waste Policy Act of 1982, with site selection processes involving the Oak Ridge National Laboratory, Lawrence Livermore National Laboratory, Los Alamos National Laboratory, and the Argonne National Laboratory. The Nuclear Waste Policy Act Amendments of 1987 designated Yucca Mountain following studies by the Office of Civilian Radioactive Waste Management and the National Academy of Sciences. The site is adjacent to the Nevada Test Site, near Las Vegas, within Nye County, Nevada, and proximal to Death Valley National Park and the Great Basin National Park complex. Stakeholders included the Western Shoshone, Shoshone-Bannock Tribes, the Las Vegas Paiute Tribe, and the Toiyabe National Forest region. Federal oversight implicated the Environmental Protection Agency standards and the Department of the Interior land-use authorities.

Technical design and engineering proposals

Designs proposed mined underground tunnels in the Topopah Spring Tuff unit within the Volcanic Tableland and used multi-barrier systems developed by teams from Sandia National Laboratories, Pacific Northwest National Laboratory, and contractors including Bechtel Corporation. Waste package concepts featured corrosion-resistant alloys such as titanium and nickel-chromium alloys inspired by metallurgy research at Massachusetts Institute of Technology, California Institute of Technology, and Stanford University. Thermal-hydrologic modeling used methods from the U.S. Geological Survey, Lawrence Berkeley National Laboratory, and the Idaho National Laboratory. Repository concepts incorporated drip shields, engineered backfill, and ventilation systems evaluated against scenarios studied by the International Atomic Energy Agency and the World Nuclear Association. Transport logistics invoked the Federal Railroad Administration, the National Transportation Safety Board, and the Department of Transportation regulations for spent nuclear fuel cask designs influenced by the Nuclear Energy Institute.

Safety, environmental impact, and scientific assessments

Safety assessments integrated work by the National Research Council, the Environmental Protection Agency radiation standards, the Nuclear Regulatory Commission licensing criteria, and peer review from the National Academy of Sciences. Hydrogeologic and seismic analyses referenced the USGS seismic catalogs, paleoseismic studies near the San Andreas Fault analogs, and volcanism assessments influenced by comparisons to Mount St. Helens and Yellowstone Caldera research. Biosphere transport models incorporated data from the Clark County Department of Public Works, University of Nevada, Las Vegas, University of California, Berkeley, and the Colorado School of Mines. Environmental reviews involved the Council on Environmental Quality and interactions with the Endangered Species Act provisions administered by the United States Fish and Wildlife Service.

Political and regulatory history

Political decisions spanned administrations from Reagan administration to Obama administration to Trump administration and involved key figures such as Secretaries of Energy, members of the United States Senate like Harry Reid, and Representatives of the House Committee on Energy and Commerce. The Nuclear Waste Policy Act Amendments of 1987 and subsequent appropriations battles involved the United States Congress committees and appropriations bills. The Nuclear Regulatory Commission issued licensing activities later subject to White House policy shifts. International comparisons referenced repositories like Onkalo in Finland, WIPP in the United States Department of Energy program, and proposals in Sweden and France managed by SKB (Swedish Nuclear Fuel and Waste Management Company) and Andra.

Public opinion and stakeholder positions

Local, state, and tribal positions included opposition led by the State of Nevada governor's office, advocacy groups such as the Nuclear Information and Resource Service, the Union of Concerned Scientists, and support from some utility companies including Exelon and Duke Energy that referenced spent fuel storage needs post-Three Mile Island accident and post-Fukushima Daiichi nuclear disaster. Public hearings featured testimony before the Senate Committee on Energy and Natural Resources, the House Committee on Natural Resources, county commissions in Nye County, Nevada, and outreach involving the Las Vegas Chamber of Commerce and the American Nuclear Society.

Legal challenges and litigation

Litigation encompassed cases before the United States Court of Appeals for the District of Columbia Circuit, the United States Court of Appeals for the Ninth Circuit, and decisions involving the United States Supreme Court. Key legal issues referenced the Nuclear Waste Policy Act, administrative law principles adjudicated under the Administrative Procedure Act, and enforcement of Nuclear Regulatory Commission licensing. Parties included the State of Nevada, the Department of Energy, utility companies such as Pacific Gas and Electric Company, and environmental plaintiffs represented by organizations including the Natural Resources Defense Council.

Alternatives and future prospects

Alternatives considered included interim consolidated storage initiatives advocated by the Blue Ribbon Commission on America's Nuclear Future, regional storage proposals like those discussed by the Nuclear Waste Strategy Coalition, research into advanced fuel cycles promoted by Oak Ridge National Laboratory and Argonne National Laboratory, and international collaboration with repositories such as Onkalo and Bure (Meuse/Haute-Marne) Underground Research Laboratory. Future prospects depend on Congressional action, administration policy under future presidencies, rulings by the Nuclear Regulatory Commission, and evolving positions of stakeholders including state officials, utilities, and tribal governments.

Category:Radioactive waste repositories Category:United States Department of Energy projects