On October 21, 2016, the U.S. Environmental Protection Agency (EPA) reopened the comment period on a proposed rule revising regulations governing significant new uses (SNU) of chemical substances under the Toxic Substances Control Act (TSCA), per a request from a commenter. EPA states in its Federal Register notice that this request was “reasonable and is therefore reopening the comment period … [for] all interested persons.” The proposed rule would amend the TSCA SNU...