ILENR/RE-WR-92/07 

 Printed: October 1992 

 Reprinted: November 1 992 

 Contract: WR 3691 

 Project: 89/215 



Identification of Toxic Substances in the Upper Illinois River 

 Final Report 



Prepared by: 



River Research Laboratory 



Forbes Biological Station 



linois Natural History Survey 



P.O. Box 599 



Havana, IL. 62644 



Principal Investigators: 



Richard E. Sparks 

 Philippe E. Ross 



Prepared for: 



Illinois Department of 



Energy and Natural Resources 



Office of Research and Planning 



325 W. Adams, Room 300 



Springfield, IL 62704-1892 



Jim Edgar, Governor John S. Moore, Director 



State of Illinois Illinois Department of 



Energy and Natural Resources 



