Environmental Working Group

A new study by Environmental Working Group (EWG), scientists find that consumption of just a single serving of freshwater sh per year could be equal to a month of drinking water laced with the “forever chemical” PFOS, or perfluorooctanesulfonic acid, at high levels that may be harmful.

Researchers calculated that eating one fish in a year equated to ingesting water with PFOS at 48 parts per trillion, or ppt, for one month.

The study bolsters EWG’s long-running calls for strict regulation of PFOS and the other toxic “forever chemicals” known as PFAS, or per- and polyuoroalkyl substances.

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