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Transuranic Waste

Transuranic waste is radioactive waste containing more than 100 nanocuries (3700 becquerels) of alpha-emitting transuranic isotopes per gram of waste, with half-lives greater than 20 years, except for: (1) high-level radioactive waste; (2) waste that the Secretary of Energy has determined, with the concurrence of the Administrator of the Environmental Protection Agency, does not need the degree of isolation required by the 40 CFR Part 191 disposal regulations; or (3) waste that the Nuclear Regulatory Commission has approved for disposal on a case-by-case basis in accordance with 10 CFR Part 61.

Waste contaminated with alpha-emitting transuranic radionuclides (elements above uranium in the periodic table; that is, with an atomic number greater than 92) with half-lives greater than 20 years and concentrations greater than 100 nanocuries per gram. (40 CFR 191.02)

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