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

PFBS

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Significant Impact of Proposed RCRA PFAS-Related Rules

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Significant Impact of Proposed RCRA PFAS-Related Rules

As part of a significant update to RCRA, the U.S. EPA announced proposed rule amendments  to add nine PFAS compounds as hazardous constituents.  The proposed addition of these nine PFAS compounds as hazardous constituents is expected to have a wide-ranging impact on the environmental industry.

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PFAS Limits Significantly Lowered in EPA Health Advisories

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PFAS Limits Significantly Lowered in EPA Health Advisories

The U.S. Environmental Protection Agency (EPA) released updated health advisories in June for PFAS compounds in drinking water. These new limits significantly reduce the guidelines previously established in 2016. The new drinking water interim health advisories reduce the limit for both PFOA (perfluoro-octanoic acid) and PFOS (perfluoro-octane sulfonate).

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First Illinois Groundwater Quality Standards for PFAS Chemicals Proposed

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First Illinois Groundwater Quality Standards for PFAS Chemicals Proposed

The Illinois Environmental Protection Agency (EPA) has filed administrated rules to create the first groundwater quality standards for PFAS chemicals in the state. According to the IEPA in a recent announcement, it has submitted amendments to 35 Illinois Administrative Code (Ill. Admin. Code) Part 620 to the Illinois Pollution Control Board (Board).

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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).