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

water supplies

New Requirements for Lead and Copper Compliance Sampling

New Requirements for Lead and Copper Compliance Sampling

The State of Michigan strengthened its lead and copper rules for drinking water in June 2018, making it the strictest in the United States. As a result, sample collection methodology underwent some significant changes that must be adhered to by Community and Non-Community Water Supplies for lead and copper in drinking water.