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Perfluorooctanesulfonic acid (PFOS) (conjugate base perfluorooctanesulfonate) is a chemical compound having an eight-carbon fluorocarbon chain and a sulfonic acid functional group, and thus it is a perfluorosulfonic acid and a perfluoroalkyl substance (PFAS).
In 2009, PFOS, its salts, and perfluorooctanesulfonyl fluoride, as well as PFOA and PFHxS, including their salts and precursors, were listed as persistent organic pollutants under the Stockholm Convention on Persistent Organic Pollutants due to their ubiquitous, persistent, bioaccumulative, and toxic nature.
They said that "PFOS can bioaccumulate to higher trophic levels of the food chain" and that the "concentrations of PFOS in wildlife are less than those required to cause adverse effects in laboratory animals." [4] [43] "PFOS was measured in the tissues of wildlife, including, fish, birds, and marine mammals.
The Swedish National Food Agency recommends a drinking water limit of 0.09 μg/L for the sum of 11 PFASs (PFBS, PFHxS, PFOS, 6:2 FTSA, PFBA, PFPeA, PFHxA, PFHpA, PFOA, PFNA and PFDA). If PFASs are found above this limit in drinking water, immediate action is recommended to reduce the PFAS concentration in the drinking water to as far below the ...
PFOA and PFOS are found in every American person’s blood stream in the parts per billion range, though those concentrations have decreased by 70% for PFOA and 84% for PFOS between 1999 and 2014, which coincides with the end of the production and phase out of PFOA and PFOS in the US. [3] The film premiered at the 2018 Sundance Film Festival.
The US Food and Drug Administration’s new standards for foods before they can be labeled as “healthy” on their packaging will go into effect about two months later than planned, according to ...
PFOS can be toxic in terms of increased offspring death, decrease in body weight, and the disruption of neurological systems. What makes this compound controversial is the economic and political impact it can have among various countries and businesses.
About 500,000 ranges sold nationwide are being recalled after dozens of fires burned property, people and pets, LG Electronics said Wednesday in a notice posted by the U.S. Consumer Product Safety ...