PCB 79-215

		PCB 79-215 04/16/81 Order ILLINOIS ENVIRONMENTAL PROTECTION AGENCY v. JOHN POPP AND G. E. LOGAN
		PCB 79-215 10/08/81 Opinion and Order ILLINOIS ENVIRONMENTAL PROTECTION AGENCY v. JOHN POPP AND G.E. LOGAN
		PCB 79-215 10/30/80 Order ENVIRONMENTAL PROTECTION AGENCY v. JOHN POPP AND G. E. LOGAN
		PCB 79-215 11/20/80 Order ENVIRONMENTAL PROTECTION AGENCY v. JOHN POPP AND G. E. LOGAN