Storage In Tanks

Although not used in the United States because of the adequacy of present techniques and the high costs of conversion to new methodologies, bituminization is favored for installations in other countries for solidification and immobilization of low and intermediate activity sludges and residues (IAEA 1970b). The process is easy, cheap and not dependent on waste type or storage location. Wastes are introduced into asphalt or emulsified asphalt and the water is removed. Radiation levels of 108 rads (see glossary) do not cause soft asphalts to swell significantly, nor do they increase the leach rate.

High-Activity Wastes

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