PCB 74-410

		PCB 74-410 05/20/76 Zeitlin Interim Order PEOPLE OF THE STATE OF ILLINOIS v. PHILADELPHIA QUARTZ COMPANY
		PCB 74-410 08/04/77 Opinion and Order PEOPLE OF THE STATE OF ILLINOIS, ex rel. WILLIAM J. SCOTT, ATTORNEY GENERAL OF THE STATE OF ILLINOIS v. PHILADELPHIA QUARTZ COMPANY, a Pennsylvania corporation
		PCB 74-410 10/28/76 Interim Order PEOPLE OF THE STATE OF ILLINOIS v. PHILADELPHIA QUARTZ COMPANY