The three sludge system for nitrogen and phosphorus removal /

"Presented at the 44th Annual Conference of the Water Pollution Control Federation, San Francisco, California (October, 1971)"--P. 1.

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."

Ultraviolet disinfection of activated sludge effluent discharging to shellfish waters /

Mode of access: Internet.

Alloys of chromium, copper and nickel,

Published also as University of Illinois Engineering Experiment Station bulletin no. 93 with title: A preliminary study of the alloys of chromium, copper, and nickel, by D.F. McFarland and O.E. Harder.

Hydrologic effects of storing liquified sewage sludge on strip-mined land, Fulton County, Illinois /

Mode of access: Internet.

Tables of interplanar spacings computed for the characteristic radiations of copper, molybdenum, iron, chromium and cobalt

"ASTIA document no. AD142344."

The mineral industry of the British empire and foreign countries. Statistics, 1920-1922. Chrome ore and chromium.

At head of title: Imperial Mineral Resources Bureau.

The mineral industry of the British Empire and foreign countries. Statistics, 1919-1921. Chrome ore and chromium.

At head of title: Imperial Mineral Resources Bureau.

Environmental effects of sewage sludge disposal [microform] : hearing before the Subcommittee on Natural Resources, Agriculture Research, and Environment of the Committee on Science and Technology, U.S. House of Representatives, Ninety-seventh Congress, first session, May 27, 1981.

"No. 24."

Economic impact of proposed regulation R77-12 (Rule 950) on wastewater sludge disposal in the State of Illinois /

Includes bibliographical references.

Illinois EPA sludge regulation guidance document.

"Authors: James J. Janssen and S. Alan Keller." -- Bibliographic data sheet.

Municipal sludge management : planning and policy options /

"Printed: November 1987."

Two-phase anaerobic digestion for enhanced stabilization and methanation of sewage sludge /

"ILENR/AE-92/02."

Use and disposal of wastewater sludge in Illinois : final report /

"Contract: EA99"

Wastes from water treatment plants : literature review, results of an Illinois survey, and effects of alum sludge application to cropland /

"SWS Contract report 429." -- Cover.