 3M Co. MMM, 0.36 said Tuesday it will take mostly non-cash charges of 1.3 billion to 2.3 billion to exit its business manufacturing fluoropolymers, fluorinated fluids, and PFAS-based additive products by the end of 2025. According to the Centers for Disease Control and Prevention, many PFAS pose a concern because they do not break down in the environment, can move through soils and contaminate drinking water sources; also they build up bioaccumulate in fish and wildlife. 