| http://www.w3.org/ns/prov#value | - However, animal studies have identified four types of tumors in rats and mice exposed to PFOA.In a 2009 agreement with the U.S. Environmental Protection Agency, eight U.S. companies, including DuPont, agreed to remove all PFOAs from their products (excluding Teflon) by 2015 and to reduce manufacturing emissions by 95 percent as of this year (2010).
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