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The levels of PFOA exposure in humans vary widely. While an average American might have 3 or 4 parts per billion of PFOA present in their blood serum, [131] individuals occupationally exposed to PFOA have had blood serum levels over 100,000 parts per billion (100 parts per million or 0.01%) recorded. [132]
Between 2016 and 2021 the U.S. Geological Survey (USGS) tested tap water from 716 locations across the United States, finding PFAS levels exceeding the EPA advisories in approximately 75% of samples from urban areas and in approximately 25% of rural areas. [80] In April 2024 EPA published final drinking water standards for six PFAS: PFOA; PFOS
PFOA and PFOS were both listed in the UCMR 3, making public water systems in the United States to have to begin testing the chemical levels of PFOA and PFOS along with the other chemicals listed. [20] While the new health advisories have been released by the EPA in 2016, there are currently no enforceable standards regarding national ...
Those in the highest quarter of PFOA levels had a 28 percent greater risk of stopping exclusive breastfeeding before six months than those in the bottom quarter of PFOA levels.
800-290-4726 more ways to reach us. Sign in. Mail. 24/7 Help. ... PFOA, has been associated ... PFOA levels can be harmful above 0.004 parts per trillion, while PFOS levels can be harmful above 0. ...
Long-chain PFAS chemicals perfluorooctane sulfonic acid, or PFOS, and perfluorooctanoic acid, or PFOA, are among the most studied of the nearly 15,000 types of PFAS used by industry.
Those surveyed had a range of PFOA levels from 0.2-22,412 μg/L, with a median exposure of 28.2 μg/L. [30] These levels were significantly higher than the levels detected in the general American population, which had a median exposure of 3.9μg/L. [30] Results from the study concluded that PFOA exposure was linked to pancreatic cancer and ...
A 2016 study found unsafe [10] levels of fluorosurfactants in 194 out of 4,864 water supplies in 33 U.S. states. Covering two-thirds of drinking water supplies in the United States, the study found thirteen states accounted for 75% of the detections.