Mealey's (July 18, 2024, 8:22 AM EDT) -- RICHMOND, Va. — The states of Maryland and South Carolina have filed a joint response brief in the Fourth Circuit U.S. Court of Appeals, arguing that 3M Co. has not established federal officer jurisdiction in consolidated lawsuits brought by the states that allege liability for contamination from per- and polyfluoroalkyl substances (PFAS)....