The city of Asheboro, NC, and a nearby plastics manufacturer are pointing to the Trump EPA’s reconsideration of a TSCA risk assessment for 1,4-dioxane (1,4-DX) in their defense of a Clean Water Act (CWA) citizen suit alleging they unlawfully discharged the chemical -- though environmentalists say EPA’s action is irrelevant. The defendants in Cape Fear River Watch and Haw River Assembly v. City of Asheboro, et al. , pending in the U.S. District Court for the Middle District of North...