Leaching of radioactive isotopes from waste solids /

"January 1981"--Cover.

Economic impact of dissolved solids regulation upon the coal mining industry (R76-7) /

Includes bibliographical references.

The economic impact of total dissolved solids effluent standards in Illinois /

Project no. 20.073.

Physical and operational features of a pulsed continuous countercurrent liquid-solids contactor /

"National Reactor Testing Station"--Cover.