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Reference, Questions and Help => Nuke Q&A => Definitions => Topic started by: Rennhack on Nov 23, 2005, 04:30

Title: High-level waste
Post by: Rennhack on Nov 23, 2005, 04:30
Radioactive materials at the end of a useful life cycle that should be properly disposed of, including--
High-level waste (HLW) is primarily in the form of spent fuel discharged from commercial nuclear power reactors. It also includes HLW from activities and a small quantity of reprocessed commercial HLW (see 10 CFR 63.2 and Nuclear waste; Waste, radioactive; and Low-level waste).
Title: Re: High-level waste
Post by: Rennhack on Nov 28, 2005, 11:10
The highly radioactive material resulting spent nuclear fuel reprocessing:

Liquid waste directly produced in reprocessing
Any solid material derived from the liquid wastes having a sufficient concentration of fission products.
Other highly radioactive materials can be designated as high-level waste, if they require permanent isolation. This determination is made by the U.S. Nuclear Regulatory Commission based criteria established in U.S. law.