The U.S. Environmental Protection Agency (EPA) proposed a rule that would prevent companies from starting or resuming the manufacture, processing or use of an estimated 300 per- and poly-fluoroalkyl substances (PFAS) that have not been made or used for many years without a complete EPA review and risk determination. In the past, these chemicals, known as “inactive PFAS,” may have been used in many industries in a variety of ways, including as binding agents, surfactants, in the production of sealants and gaskets, and may also have been released into the environment. (Source: EPA)