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PFAS (Per- and Poly-Fluroalkyl Substances)

In 2018, PFAS was again been in the news, after it emerged that it had been found in fire-fighting foams still used and stored at Nelson Aiport. But what exactly are PFAS?

PFAS are a large group of man-made chemical compounds that have both industrial and consumer uses. PFOS (Perfluoroocane sulfonate) and PFOA (perfluorooctanoic acid) are two comp