Watchdog Sues EPA Seeking TSCA Program Documents Defining PFAS

The environmental watchdog group Public Employees for Environmental Responsibility (PEER) is suing EPA under the Freedom of Information Act (FOIA) alleging the agency unlawfully withheld internal documents on how the TSCA program developed its narrow definition of per- and polyfluoroalkyl substances (PFAS). The April 28 suit , filed in the U.S. District Court for the District of Columbia, underscores the growing significance of the debate over how regulators and other policymakers define PFAS -- a class of thousands of chemicals...