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PFAS Test Methods

Stormwater Runoff & the PFAS Problem

Per- and Polyfluoroalkyl Substances, otherwise known as PFAS, have become a frequent topic of discussion for water treatment and resource managers. This article examines the often-overlooked role stormwater runoff plays in propagating the PFAS problem. What Are PFAS? PFAS are a diverse group of synthetic compounds valued for their inherent properties, such as resistance to

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State Regulations for PFAS in Consumer Products

On February 14th, Nick Nigro, Pace® PFAS Product Manager, along with other leaders of ASTM subcommittee F15.81 on Per-and Polyfluoroalkyl Substances, held a webinar discussing the what, why, and how of quantifying PFAS in Consumer and Related Products. Among many topics, the team addressed the challenge created by the varying definitions of PFAS used by the

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ASTM D8421 / EPA 8327: A Faster, More Affordable PFAS Test Method

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

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Draft Method 1633 is not the Only Option for Analyzing PFAS in Non-Potable Water and Solids

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

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