(January 24, 2018, 1:24 PM EST) -- PITTSBURGH — Glass manufacturer PPG Industries Inc. on Jan. 22 filed a status report in a Pennsylvania federal court regarding its ongoing permitting activities pertaining to remedies for areas that the Pennsylvania Department of Environmental Protection (DEP) has determined are contaminated by PPG’s manufacturing activities (PennEnvironment, et al. v. PPG Industries Inc., et al. v. AS America Inc., et al., No. 12-342, W.D. Pa.)....