PCB 77-204

		PCB 77-204 10/13/77 Order C. A. Hemphill & Associates v. Environmental Protection Agency
		PCB 77-204 11/10/77 Opinion and Order C. A. HEMPHILL & ASSOCIATES v. ILLINOIS ENVIRONMENTAL PROTECTION AGENCY
		PCB 77-204 11/10/77 Young Concurring Opinion C. A. HEMPHILL & ASSOCIATES v. ILLINOIS ENVIRONMENTAL PROTECTION AGENCY