US PATENT SUBCLASS 588 / 4
.~.~.~ With additional solid material to enhance fixation of radioactivity

Current as of: June, 1999
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588 /   HD   HAZARDOUS OR TOXIC WASTE DESTRUCTION OR CONTAINMENT

1  DF  DESTRUCTION OR CONTAINMENT OF RADIOACTIVE WASTE {5}
2  DF  .~ By fixation in stable solid media {8}
3  DF  .~.~ Cement, concrete, or hydraulic setting {1}
4.~.~.~ With additional solid material to enhance fixation of radioactivity

DEFINITION

Classification: 588/4

With additional solid material to enhance fixation of radioactivity:

(under subclass 3) Subject matter wherein the concrete, cement containing, or hydraulically settable composition contains an additional solid material that enhances retention of the radioactive material to leaking or leaching.

(1) Note. The additional solid does not participate or influence the hydraulically settable nature of the solid media.