(March 7, 2016, 11:46 AM EST) -- PITTSBURGH — The federal judge in Pennsylvania presiding over a groundwater contamination lawsuit on Feb. 25 denied a motion for reconsideration of his decision to allow PPG Industries to file a third-party complaint, ruling that the evidence indicated that PPG should be permitted to sue the operator of a landfill where it disposed of its waste (PennEnvironment, et al. v. PPG Industries Inc., et al., No. 12-342, W.D. Pa.)....