and perfluorooctanesulfonic acid (PFOS). In a May 14 press release, the agency says that it will defend the limits for those two PFAS. But it also says it plans to roll back and revisit limits for ...

The City of Washougal has alerted residents about an increase in PFOS (perfluorooctanesulfonic acid) levels, commonly referred to as "forever chemicals," in two of its wells. These chemicals are ...

There are probably trace amounts in your body right now. However, perfluorooctanesulfonic acid (PFOS), a dangerous PFAS chemical compound if consumed in large quantities, can cause problems for the ...

Perfluorooctanesulfonic acid (PFOS) was the most commonly found PFAS, averaging 74% of the total PFAS. For comparison, the scientists looked at data from the US Food and Drug Administration on ...

They switch them back and forth.” There is also a review being conducted to fit the system with PFOS and PFOA (perfluorooctanesulfonic acid) filters. “The best-case scenario is that (tests ...

The finding of 3.48 parts per trillion of perfluorooctanesulfonic acid in a Bearsville well was discussed Tuesday during a Town Board meeting. The state maximum contaminant level for PFOS is 10 ...

Perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS) are the most widely used per- and polyfluoroalkyl substances (PFAS). The EPA has listed both as hazardous substances under the ...