WASHINGTON – New research based on nationwide tests shows that many fast food chains still use food wrappers, bags and boxes coated with highly fluorinated chemicals. EWG’s report supplements a new peer-reviewed study in the journal Environmental Science & Technology Letters, which shows some of the test samples contained traces of a notorious and now-banned chemical formerly used to make DuPont’s Teflon. Scientists from nonprofit research organizations including EWG, federal and state regulatory agencies, and academic institutions collaborated to collect and test samples of sandwich and pastry wrappers, french fry bags, pizza boxes, and other paper and paperboard products from 27 […]