Contamination of drinking water from per- and polyfluoroalkyl substances (PFAS) may be the nation’s most pressing drinking water quality issue. With many calling for the expedited banning and removal of PFAS in water sources, a new U.S. EPA procedure to better assess them may be a concrete step in that direction.

“The US EPA has published a systemic review protocol for the toxicity assessment of five per- and polyfluoroalkyl substances (PFASs) and is now seeking the public’s input on its approach during a 45-day comment period,” according to Chemical Watch.