Tiene una pregunta ardiente/urgente? : los hechos sobre fuegos al aire libre en Illinois /

"7/09"--Colophon.

A biological and water quality survey of Sugar Creek and tributaries, Crawford County, Illinois, August-September, 1992 /

"IEPA/WPC/93-063."--Cover.

A Guide to the Illinois EPA.

"Mission, programs, records access, directory."

A Feasibility study of cancer surveillance in Illinois /

Project no.: 90.026.

A primer regarding certain provisions of the Illinois groundwater protection act /

"January, 1988."

A summary of immediate telephone notification requirements for spills or sudden releases of chemicals and oils in Illinois.

"Version 2.0."

A report on pesticide use and regulatory programs in Illinois /

"December 1979."

A suggestive guide for teaching nutrition in Illinois elementary schools.

Bibliography: p. 23-24.

A water quality survey of the Grand Calumet River from the Indiana State line to Burnham, Illinois : the Grand Calumet River portion of segment A-12 Des Plaines/Lake Michigan Basins, April-August, 1978.

Edited by Robert Schacht.

An intensive survey of Bear Creek in West-Central Illinois, August-September, 1992 /

"December, 1994."

An intensive survey of Shawnee National Forest region streams of southern Illinois, 1986-1987 /

"IEPA/WPC/90-171."--Cover.

An inventory of Illinois state agencies' lake publications /

"Printed by Division of Water Resources, Illinois Dept. of Transportation, and Illinois Environmental Protection Agency." -- Cover.

An intensive survey of the Eagle Creek Basin, Saline and Gallatin Counties, Illinois : 1986-1987 /

"March 1988."--Cover.

An intensive survey of the Sugar Creek Basin, Crawford County, Illinois, 1986 /

"IEPA/WPC/88-030."--Cover.

An intensive survey of Otter Creek, Jersey County, Illinois, July, 1992 /

"July, 1993."