(March 31, 2023, 2:35 PM EDT) -- PORTLAND, Maine — The Maine attorney general filed two lawsuits in state court against 3M Co., numerous DuPont entities and others, contending that they are liable for contaminating the state with per- and polyfluoroalkyl substances (PFAS) and the firefighting agent known as aqueous film-forming foam (AFFF), which contains PFAS. One case focuses solely on PFAS pollution and the other specifically names AFFF....