Lately, the Pace® microbiology team has been fielding a lot of questions on how to interpret and implement different aspects of the revised USP <797> standard. Here are some of the most frequently asked questions regarding the use of sampling media kits. Q: Can you tell me which media kits I should use? A: Although Pace® supplies […]
USP 797 FAQs: Media Kits Read More »
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
Pace® News and Views – December 2023 Read More »
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? Those of you who attended our deep dive into the 3rd Draft of Draft Method 1633 are well aware of some
ASTM D8421 / EPA 8327: A Faster, More Affordable PFAS Test Method Read More »
December 2023 Many of our recent discussions around PFAS testing options involve Draft Method 1633. The most recent version, Draft 4, was published in June of 2023 and is considered “final” for wastewater, surface water, and groundwater. The EPA forecasts that the method will be finalized this December, 2023. Draft Method 1633 was a step