Limnology of Otter Lake, Macoupin County, Illinois : May-October, 1979.

Cover title.

Limnology of Lake Shabbona, De Kalb County, Illinois : May-October, 1979.

Cover title.

Limnology of Lake Taylorville, Christian County, Illinois : May-October, 1979.

Cover title.

Limnology of Pittsfield City Lake, Pike County, Illinois : May-October, 1979.

Cover title.

Limnology of Round Lake, Lake County, Illinois : May-October, 1979.

On cover: Investigation of Illinois surface waters.

Nationwide urban runoff project, Champaign, Illinois : summary of Illinois street sweeping cost data /

On cover: Water quality management.

National Oil and Hazardous Substances Pollution Contingency Plan : Code of federal regulations (Title 40, volume 19, parts 300 to 399) : revised July 1, 1998 /

"This document is a reformatted version of the statute and various preambles obtained from several database and internet sources."--Cover, p. [2].

Overcoming barriers to pollution prevention in small businesses : applications in the metal parts fabricating industry /

"May 1995."--Cover.

Pesticide monitoring : Illinois EPA's summary of results, 1985-1989 /

"December 1990."

Siting a pollution control facility in Illinois.

"IEPA/BOL/98-021".

The biologic and economic assessment of Lindane : a report of the Lindane assessment team to the rebuttable presumption against registration of Lindane, submitted to the Environmental Protection Agency on March 19, 1980 /

In cooperation with State agricultural experiment stations, Cooperative Extension Services, other state agencies, U.S. Envioronmental Protection Agency.

The Biologic and economic assessment of 2,4,5-T : a report of the 2,4,5-T assessment team to the rebuttable presumption against registration of 2,4,5-T : submitted to the Environmental Protection Agency on February 15, 1979.

In cooperation with state agricultural experiment stations, Cooperative Extension Service, other state agencies, U.S. Environmental Protection Agency.

Distribution of phytoplankton in Illinois lakes /

Bibliography: p. 10.

Environmental protection : wider use of advanced technologies can improve emissions monitoring : report to Congressional requesters /

"GAO-01-313."

National accomplishments in pollution control, 1970-1980 : some case histories /

Mode of access: Internet.