Methods Update Rules | US EPA Descriptions of Methods Update Rules; revisions to Clean Water Act analytical methods that are codified at 40 CFR Part 136.

The EPA signed a new proposed Methods Update Rule (MUR), MUR 22, on December 6, 2024. This action proposes to promulgate three new EPA methods into 40 CFR Part 136 #wastewater #water #EPA #laboratorymethods #laboratory #PFAS #PCB #adsorbableorganicfluorine www.epa.gov/cwa-methods/...