http://www.mindfully.org/Plastic/Teflon/Zonyl-DuPont-Risk17nov05.htm"DuPont has hidden and suppressed the data so they wouldn't draw further government scrutiny," Evers said at the Washington headquarters of the Environmental Working Group, a watchdog organization that persuaded him to speak publicly. "The issue is, are you going to play by the rules?"
DuPont is paying $107.6 million to settle claims that PFOA, also known as C8, from its West Virginia factory polluted the drinking water of 60,000 people.
International Paper Co. uses DuPont's Zonyl RP to make clamshell boxes for McDonald's Corp. hamburgers. Also, ConAgra Foods Inc. uses Zonyl to make bags for microwave popcorn, Evers said in an interview. Spokesmen for those companies were not immediately available to comment.
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Evers, who was a chemical engineer in charge of fluorotelomer paper coatings at DuPont's Chambers Works site in Deepwater, N.J., said he tried to persuade his colleagues at DuPont to notify customers and regulators after he received a September 1987 study that found Zonyl leaches from paper coatings into food at 0.62 part per million. The FDA safety standard of 0.2 ppm was set in 1966.
DuPont subsequently learned that Zonyl breaks down into PFOA in the blood, and that PFOA accumulates and persists in people, he said.
DuPont would not market safer packaging alternatives because they were more expensive to produce, and Zonyl was the company's best seller, Evers said.
"I pushed as hard as I possibly could for eliminating blood contamination chemicals that are retained in the blood," Evers said.
Evers was fired in 2002 as part of a company restructuring, and he filed a wrongful-termination suit this year. He said he had no financial interest in speaking out.