High level radioactive waste

HLW includes the high-level liquid waste generated from the reprocessing of SF, and the solidified form of such waste, as well as SF withdrawn from reactors or research reactors pending direct disposal. Due to its high activ­ity, large heat release, high toxicity and long half-life, HLW needs to be isolated from the human environment for a long period of time in a reliable manner.

Uranium (thorium) mining and milling waste

Uranium (thorium) mining and milling wastes have radioactivity levels exceeding the relevant regulatory levels. They were generated from explo­ration, mining, milling closure, mainly covering barren rocks, and tailings characterized by large volume, low activity and simple radionuclide composition.

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