It seems we are all waiting and watching for the U.S. Environmental Protection Agency (EPA) to publish its final rule on PFAS in drinking water. The agency said they expected to publish in February of 2024. However, at a recent gathering in Eau Claire, WI, EPA Administrator Michael Reagan said the agency is committed to finalizing the rule before the end of the year.

The science of PFAS analysis has long needed a standardized, validated test method for non-potable liquids and solids. Once finalized and promulgated, Draft Method 1633 promises to be the solution we’ve been waiting for. Or does it?