(September 16, 2024, 8:51 AM EDT) -- CHARLESTON, S.C. — The state of Vermont has filed an amended complaint in South Carolina federal court in the latest chapter of a long-running saga of litigation as the state seeks to recover damages from 3M Co., E.I. du Pont de Nemours & Co. and others it says are liable for injuries related to per- and polyfluoroalkyl substances (PFAS) in the state’s water supply....