The analysis of PFAS by EPA 1633A and ASTM D8421 is part of the U.S. EPA’s Methods Update Rule (MUR) Rule 22. The action will promulgate EPA into 40 CFR Part 136. Also part of this action, PFAS method ASTM D8421 is proposed to be codified.
The U.S. EPA (EPA) has released the highly anticipated 2nd Draft of EPA Method 1633, an LC/MS/MS method to analyze PFAS. This second draft, released by the EPA in June, is a follow-up to the original draft released in Fall 2021. One of the most concerning aspects of the first draft was it being based on a single laboratory validation study
In what surely will impact environmental regulatory programs across the United States, the EPA is actively prioritizing PFAS in the environment and has taken two recent actions to continue to address contamination. The EPA has issued a memo detailing an interim National Pollutant Discharge Elimination (NPDES) permitting strategy for PFAS.
