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Definitions
Below is a directory of terms used in the field of nuclear power. Most of the terms have been reproduced or adapted from the United States Nuclear Regulatory Commission (US NRC) and the World Nuclear Association (WNA).
L
Low-enriched uranium (LEU)
Uranium enriched to contain less than 20 per cent uranium-235. (That used in power reactors usually contains 3.5–5.0 per cent uranium-235.)
Low-level waste (LLW)
Refers to mildly radioactive materials which have become contaminated due to exposure to radiation. It is usually disposed of by incineration.
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