PCB 80-093

		PCB 80-093 05/01/80 Order NAGNER CASTINGS COMPANY v. ENVIRONMENTAL PROTECTION AGENCY
		PCB 80-093 07/10/80 Order WAGNER CASTINGS COMPAINY v. ENVIRONMENTAL PROTECTION AGENCY
		PCB 80-093 09/04/80 Opinion and Order WAGNER CASTINGS COMPANY v. ENVIRONMENTAL PROTECTION AGENCY