PCB 82-131

		PCB 82-131 Opinion and Order 01/27/83 IBP, INC. v. ILLINOIS ENVIRONMENTAL PROTECTION AGENCY
		PCB 82-131 Order 11/12/82 IOWA BEEF PROCESSORS, Corporation v. ILLINOIS ENVIRONMENTAL PROTECTION AGENCY
		PCB 82-131 Supplemental Statement 01/27/83 IBP, INC. v. ILLINOIS ENVIRONMENTAL PROTECTION AGENCY