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      Performance vs. Prescriptive Based EPA Methodology

      June 17, 2021 at 2:00 PM / by Deanna Bissonnette posted in SPE solid phase extraction, perscriptive, performance, EPA

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      I am willing to bet there have been a few people reading this that early in their careers have had a moment of “what does that mean” when learning new procedures and or methods. You are about to learn mine. When I was onboarding and learning new standard operating procedures and methods one really stood out and still does to this day. It was when I was first exposed to EPA method 1664B. It stated right in the introduction it is a performance-based method. I thought to myself what does a performance-based method consist of and how do all labs qualify to run it?

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      The Problem of PFAS: Part 2 - Top Regulations

      June 3, 2021 at 3:00 AM / by David Gallagher posted in SPE solid phase extraction, Sample preparation, EPA Method 537.1, per- and polyfluoroalkyl substances, PFAS, Drinking water, EPA Method, water extractions, SPE, perfluorinated compounds, PFOS, extraction, ISOLUTE 101

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      Welcome back! As the title indicates, this is Part 2 of an ongoing series where we discuss what’s going on with PFAS. For those of you who may not have read Part 1, you missed out on a summary of the controversy surrounding this group of compounds and I would recommend going back and taking a quick read through it to make sure that you’re caught up. 

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