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High-level waste is the highly radioactive waste material resulting from the reprocessing of spent nuclear fuel, including liquid waste produced directly in reprocessing and any solid material derived from such liquid waste that contains fission products in sufficient concentrations; and other highly radioactive material that is determined, consistent with existing law, to require permanent ...
High-level waste is full of highly radioactive fission products, most of which are relatively short-lived. This is a concern since if the waste is stored, perhaps in deep geological storage, over many years the fission products decay, decreasing the radioactivity of the waste and making the plutonium easier to access.
The Nuclear Waste Policy Act of 1982 established a timetable and procedure for constructing a permanent, underground repository for high-level radioactive waste by the mid-1990s, and provided for some temporary storage of waste, including spent fuel from 104 civilian nuclear reactors that produce about 19.4% of electricity there. [38]
Tank AX-101, which is not suspected of having leaked, was built in the mid-1960s using carbon steel and reinforced concrete. Waste was added to the four AX tanks from 1969 to 1980.
Erosion of the 150-millimetre-thick (5.9 in) carbon steel reactor head at Davis-Besse Nuclear Power Plant, in Oak Harbor, Ohio, USA, in 2002, caused by a persistent leak of borated water The Hanford Site, in Benton County, Washington, USA, represents two-thirds of America's high-level radioactive waste by volume.
The vitrification plant is planned to treat all the high-level radioactive waste in the tanks and much of the low activity waste. About 90% of the waste to be treated is low activity waste.
Pages in category "Radioactive waste" The following 84 pages are in this category, out of 84 total. ... High-level waste; Hot Laboratory and Waste Management Center;
In a 1999 report by the International Atomic Energy Agency titled "Inventory of radioactive waste disposals at sea," a grainy map shows that at least 56,261 containers of radioactive waste were ...
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