Atlantic Richfield Co. v. Cnty. of Montgomery, 2023 Pa. Commw. LEXIS 57 (May 5, 2023) (Ceisler, J.). Atlantic Richfield Company, E.I. du Pont de Nemours and Company, NL Industries, Inc., PPG Industries, Inc., and The Sherwin-Williams Company (together, Manufacturers) appeal from the October 15, 2021 Order of the Court of Common Pleas of Montgomery County […]