PCB 93-134

		PCB 93-134 07/22/93 Order PEOPLE OF THE STATE OF ILLINOIS v. ECOLOGIC, INC., a Delaware corporation, and HORSEHEAD INDUSTRIES, INC., a Delaware corporation, d/b/a ZINC COMPANY OF AMERICA
		PCB 93-134 08/26/93 Opinion and Order PEOPLE OF THE STATE OF ILLINOIS v. ECOLOGIC, INC. and HORSEHEAD INDUSTRIES, INC. d/b/a ZINC COMPANY OF AMERICA