Mealey's (March 31, 2023, 8:56 AM EDT) -- CONCORD, N.H. — A federal judge in New Hampshire remanded to state court New Hampshire’s per- and polyfluoroalkyl substances (PFAS) contamination lawsuit against the 3M Co., ruling that its notice of removal was filed in an untimely manner and holding that 3M failed to show a “nexus” between the state’s claim and the company’s production of the firefighting agent known as aqueous film forming foam (AFFF) for the U.S. military....