Illinois state implementation plan for air pollution control : 1982 plan revision for ozone and carbon monoxide.

A revision of vol. 5 of the 1979 plan.

Illinois water monitoring strategy, 2007-2012.

"IEPA/BOW/07-005."--Cover.

Illinois water quality report /

Mode of access: Internet.

Illinois water quality report.

Latest issue consulted: 2002.

Illinois Volunteer Lake Monitoring Program newsletter.

Description based on: Sept. 1990; title from caption.

Illinois water quality inventory report.

Mode of access: Internet.

Illinois waste facilities inventory /

"June, 1981."

Illinois' agricultural water quality management programs : a status report : conference proceedings of April 13, 1982 at Department of Agriculture Auditorium, State Fairgrounds, Springfield, Illinois.

"June 1982."

Illinois' Nonpoint Source Management Program.

"IEPA/BOW/01-009."--Cover.

Indian Refining/Texaco Superfund Site, Lawrenceville, Illinois.

"July 2007"

In the matter of Central Illinois Public Service (CIPS) Manufactured Gas Plant (MGP) Site, Taylorville, Illinois : remedial investigation/feasibility study : proposed plan : responsiveness summary.

"October 1992."--Cover.

Investigation at Markham illegal dumping site : Markham, Cook County, Illinois.

"July 2010."

Investigation results fact sheet 1 : Van Tran Electric Site, Vandalia, Illinois.

"December 1993."

Lake water quality assessment program : northeastern Illinois lakes /

"The Northeastern Illinois Planning Commission's Natural Resources Dept. conducted the lake assessment data collection effort for the six county northeastern Illinois region." -- P. iii.

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

Cover title.