Treatment consists of operations intended to provide safety or economic benefit by changing the characteristics of the waste. Three basic treatment objectives in waste treatment are:

• Volume reduction (incineration of combustible waste, compaction of solid waste, disassembly of bulky waste components or equipment).

• Removal of radionuclides from the waste (e. g., decontamination, melting of contaminated metal components, evaporation of liquid waste streams and filtration of gaseous waste streams). Decontamination can result in volume reduction by clearing waste or changing waste class to waste with end-point.

• Change of physical or chemical composition of the waste (e. g., solidifica­tion of sediment to enable disposal).

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