EPA 1633, PFAS, ASTM D8421, MUR
Merit Laboratories, Inc.
PFAS by EPA 1633A and ASTM D8421 Included in ...

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. 

PFAS by EPA 1633A and ASTM D8421 Included in EPA Methods Update Rule 22

CAS #29420-49-3

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EPA Releases Human Health Toxicity Report for PFBS, a PFAS Chemical

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EPA Releases Human Health Toxicity Report for PFBS, a PFAS Chemical

The U.S. EPA has released a report on Human Health Toxicity Values for Perfluorobutane Sulfonic Acid (PFBS) and Related Compound Potassium Perfluorobutane Sulfonate (CAS #29420-49-3). PFBS is a member of a larger group of per- and polyfluoroalkyl substances (PFAS). This assessment is part of EPA’s efforts to increase the amount of research and information that is publicly available on chemicals in the PFAS family. It was developed by the U.S. EPA’s Office of Research and Development (ORD) Center for Public Health and Environmental Assessment (CPHEA).