(March 6, 2018, 2:13 PM EST) -- PHILADELPHIA — A group of Pennsylvania residents on March 2 filed a brief in Pennsylvania federal court arguing that “in order to prevent manifest injustice,” the district court should reconsider a previous ruling in the plaintiffs’ groundwater contamination lawsuit against a group of chemical companies because “the Plaintiffs are the victims of an indefinite stay . . . for which there is no basis” (Hanah Bates, et al. v. 3M Company, et al., No. 16-4961, E.D. Pa.)....