Leaching of radioactive isotopes from waste solids /

"January 1981"--Cover.

Compilation and evaluation of leaching test methods /

Mode of access: Internet.

Leaching and selected hydraulic properties of processed oil shales /

Mode of access: Internet.

Identifying sources of subsurface nitrate pollution with stable nitrogen isotopes /

"Contract no. 68-03-2450."

National performance audit program : 1980 proficiency surveys for sulfur dioxide, nitrogen dioxide, carbon monoxide, sulfate, nitrate, lead and high volume flow /

Mode of access: Internet.

A study of nitrate respiration in the activated sludge process /

Mode of access: Internet.