708 N.E.2d 1224 THE STATE OF ILLINOIS ex rel. CHEMCO INDUSTRIES, INC., et al., Plaintiffs-Appellants, v. EMPLOYERS MUTUAL CASUALTY COMPANY, et al., Defendants-Appellees. No. 4-98-0435Appellate Court of Illinois, Fourth District.Argued January 12, 1999. Opinion filed March 24, 1999. Page 899 [EDITORS’ NOTE: THIS PAGE CONTAINS HEADNOTES. HEADNOTES ARE NOT AN OFFICIAL PRODUCT OF THE COURT, […]