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Source: U.S. Nuclear Regulatory Commission
 
Source: U.S. Nuclear Regulatory Commission
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[[Category: Chemistry]]

Latest revision as of 11:28, 29 May 2019

  • Any radioactive material (except special nuclear material) yielded in, or made radioactive by, exposure to the radiation incident to the process of producing or using special nuclear material (as in a reactor).
  • The tailings or wastes produced by the extraction or concentration of uranium or thorium from ore.

Source: U.S. Nuclear Regulatory Commission