For years the U.S. Environmental Protection Agency has been investigating perfluorooctanoic acid (PFOA), a synthetic chemical used as a coating to make food packaging like sandwich wrappers and popcorn bags resistant to grease.
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Major PFOA manufacturers have agreed to eliminate the chemical by 2015, and a company in Maine has already developed an alternative to PFOA, recently releasing it for packaging makers to test.
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Materials developer Cerealus has spent about a year and a half on its PFOA replacement, Holdout, a coating additive based on corn protein, a byproduct typically used as animal feed.
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