Airport noise in Illinois.

Cover title.

An evaluation of streambank stabilization work on Richland Creek : final report /

"Printed: June 1992."

Analysis of acid rain control alternatives /

"Printed: October 1987."

An Inventory of Court Creek Watershed characteristics that may relate to water quality in the watershed /

"August 1983."

An Economic impact study of petition for regulatory relief from phosphorus effluent limits, city of Pana : R84-44 : final report /

"Printed: April 1988."

An analysis of on-road remote sensing as a tool for automobile emissions control : final report /

"Contract: AQ 30."

Annual report to the Governor and General Assembly.

Caption title.

Arsenic contamination in east-central Illinois ground waters : final report /

"Printed: July 1988."

Beauveria bassiana as a biological control agent of the corn rootworm : final report /

"Project: 88/142."

Building energy audit workbook : institutional conservation program, Title III, Public Law 95-619.

"ILLDOE-81/37."

Chlorofluorocarbons (CFC) recovery and source reduction study : interim report /

""ILENR/RE-PA-90/04."

Citizen stream monitoring : a manual for Illinois /

"ILENR/RE-WR-90/18."

Commissioner selection and qualification.

"April 1983."

Determination whether the causal agent for Mussel die-offs in the Mississippi River is of chemical or biological origin : final report /

"ILENR/RE-WR-90/09."

Economic impact analysis of combined sewer overflow regulations on East St. Louis, R81-12 /

Project no. 80.264.