EPA Adds Four New PFAS to Toxic Release Inventory
By Joseph Zaleski and Samuel Boxerman; Sidley Energy Blog As part of its continued focus on per- and polyfluoroalkyl substances (PFAS) regulations, the U.S. Environmental Protection Agency (EPA) has added four PFAS substances to the Toxics Release Inventory (TRI) list, including PFBS (perfluorobutane sulfonic acid) and potassium perfluorobutane sulfonate as well as two compounds listed at by their chemical identifier numbers — CASRN 65104-45-2 and CASRN 203743-03-7. EPA’s decision to add these PFAS to the TRI requires facilities that manufacture, process, or otherwise use these PFAS chemicals to include them in annual reports made to EPA pursuant to the Emergency Planning and Community Right-to-Know Act starting this reporting year. The 2020 National Defense Authorization Act (NDAA) immediately added 172 PFAS chemicals to the TRI and required annual facility reporting. The NDAA also provided…