The article states that the environment of science and technology reports on new discoveries that chemicals in food packaging can migrate into food and converts them into human blood, to Perflurochemicals (also known as C8, a chemical used by DuPont to make Teflon nonstick and other products and nonstain (pubs.acs.org) C8, which was on the EPA contaminant candidate list, it contaminates drinking water in many communities). ES & T the link takes you to a short, one can read the Charleston Gazette's summary report. And you can read the EPA on a possible conflict of interest here on C8.