Water quality effects related to blending waters in distribution systems /

Mode of access: Internet.

An in-situ permeable reactive barrier for the treatment of hexavalent chromium and trichloroethylene in ground water /

"Project Officer, Robert W. Puls, Subsurface Protection and Remediation Division."

Coal blending in Illinois /

Project conducted by Energy and Environmental Systems Division of Argonne National Laboratory.

Democracy and assimilation, the blending of immigrant heritages in America.

Bibliography: p. 265-270.