A recent study by researchers in California under the leadership of Susan Hurley at the Cancer Prevention Institute of California (CPIC) in Berkeley has found that the concentration of perfluorinated chemicals (PFC) in blood rises when the level of PFCs in drinking water is high. The scientists state that they are the first to prove this kind of relationship in specific areas of the United States.
The scientists found that the blood of 1,566 women contained concentrations of perfluorooctanesulfonic acid (PFOS), perfluorooctanoic acid (PFOA), perfluorohexanesulfonic acid (PFHxS), and perfluoroheptanoic acid (PFHpA). They compared these values with the concentration of PFC in drinking water that the U.S. Environmental Protection Agency (EPA) measured between 2013 and 2015. Only water samples taken in the same area where the study participants resided were considered, which is the only way to determine a direct connection between the levels in water and blood. The levels in blood were higher by 30% -40% when the water had correspondingly high levels.
A document (only in German) on the presence of per- and polyfluorinated chemicals in the environment in Germany summarizes all the currently available information on PFCs.
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