PCB 80-111

		PCB 80-111 / PCB 80-168 12/19/80 Order ILLINOIS ENVIRONMENTAL PROTECTION AGENCY V. CATERPILLAR TRACTOR CO., a California Corporation, CATERPILLAR TRACTOR CO., a California Corporation V. ILLINOIS ENVIRONMENTAL PROTECTION AGENCY
		PCB 80-111 Concurring Opinion 12/02/82 ILLINOIS ENVIRONMENTAL PROTECTION AGENCY v. CATERPILLAR TRACTOR COMPANY
		PCB 80-111 Dissenting Opinion 12/02/82 ILLINOIS ENVIRONMENTAL PROTECTION AGENCY v. CATERPILLAR TRACTOR COMPANY
		PCB 80-111 Opinion and Order 12/02/82 ILLINOIS ENVIRONMENTAL PROTECTION AGENCY v. CATERPILLAR TRACTOR COMPANY
		PCB 80-111 Order 01/27/83 ILLINOIS ENVIRONMENTAL PROTECTION AGENCY v. CATERPILLAR TRACTOR CO. ( MOSSVILLE)