Lab testing for PFAS "forever chemicals" can help prove compliance with regulations — although not without some caveats and complications.

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Ehime University investigators measured 34 per- and polyfluoroalkyl substances in 100 commercial dog and cat foods sold in Japan and detected PFAS across many products, with higher concentrations in ...

TOF is often used as a surrogate measurement for the presence of PFAS, due to the fact that analytical methods do not exist for detecting most PFAS and because naturally occurring fluorinated ...