According to the latest US Environmental Protection Agency “possible†that DuPont once again insists that ammonium perfluorooctanate does not cause cancer
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The DuPont statement stated that through an assessment of human health and toxicology findings, DuPont believes that exposure to ammonium perfluorooctanate will not cause cancer in humans and pose no health risk to the general public. As of now, there are no known cases of adverse human health effects caused by ammonium perfluorooctanoate, even among workers who are exposed at a much higher level than ordinary people.
DuPont said that during the entire assessment process, the US Environmental Protection Agency's Scientific Advisory Committee has stated that it needs more human health data to consider the relevance of human health data and risk research. We agree with this view and believe that workers who are the most exposed population have the most relevant health data and should be fully considered in the US National Environmental Protection Agency's final risk assessment report, not just relying on animal testing models.
DuPont is conducting an employee health study on ammonium perfluorooctanoate, and its phase results show that there is no correlation between exposure to ammonium perfluorooctylate and most of the tested health indicators. The only possible link is some (but not all) of the workers in the highest exposure levels, with a slight increase in cholesterol indicators. It is unclear whether this link is caused by exposure to ammonium perfluorooctanoate or whether it is related to other factors. DuPont is consulting relevant experts to design and implement the next phase of health testing.