The U.S. Environmental Protection Agency (EPA) announced on April 28, 2026, the availability of an update to the April 16, 2024, interim guidance on the destruction and disposal of perfluoroalkyl and polyfluoroalkyl substances (PFAS) and materials containing PFAS for public comment. 91 Fed. Reg. 22815. According to EPA, the updated guidance “builds on information pertaining to technologies that may be feasible and appropriate for the destruction or disposal of PFAS and PFAS-containing materials.” As required by the National Defense Authorization Act for Fiscal Year 2020 (FY 20 NDAA), the interim guidance addresses PFAS and PFAS-containing materials, including: solid, liquid, or gas waste streams containing PFAS from facilities manufacturing or using PFAS; aqueous film-forming foam (for firefighting); soil and biosolids; textiles, other than consumer goods, treated with PFAS; spent water treatment materials; and landfill leachate containing PFAS. EPA states in its April 23, 2026, press
