Citation Codes Equivalent Citations citation codes Advocates John N. Moore, Paul E. Gutermann, pro hac vice, Washington, DC, for Dennis W. Strain, Roger E. Kluck, Harrisburg, for See more information ... Smart Summary Please sign up to generate summary. OPINION ZINC CORPORATION OF AMERICA, Appellant v. PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL RESOURCES. ORDER PER CURIAM: Order affirmed.