Per- and Polyfluoroalkyl Substances (PFAS) in Water: Background, Treatment and Utility Perspective
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Associated Project
Per- and Polyfluoroalkyl Substances (PFAS) are a class of anthropogenic chemicals with past and current uses in industrial processes and consumer products, including use as surfactants, surface-protecting agents, and processing aids to produce polymers. A few PFAS such as perfluorooctanoate (PFOA) and perfluorooctane sulfonate (PFOS) have been found in the environment, and have become a concern because of their potential toxicity and bioaccumulative properties. In May 2016, the EPA released lifetime health advisories for PFOA and PFOS recommending that drinking water containing PFOA or PFOS individually or in combination at concentrations greater than 0.070 μg/L (70 ng/L) should undergo further testing and efforts to limit exposure. This webcast presented current knowledge on PFAS including occurrence, analytical methods, regulations, treatment and will provide a utility perspective on the issue.