PCB 73-528

		PCB 73-528 05/29/75 Order INTERLAKE, INC. v. ILLINOIS ENVIRONMENTAL PROTECTION AGENCY
		PCB 73-528 09/27/74 Order INTERLAKE, INC. v. ENVIRONMENTAL PROTECTION AGENCY
		PCB 73-528 11/22/74 Order INTERLAKE, INC. v. ENVIRONMENTAL PROTECTION AGENCY