Me again! Here is a link to an article on teflon, footnotes included. Dupont responds about actual Teflon *brand* pans but the article mentions other sources, I think there are many more, possibly in central heat, stove tops, ovens. What I did not see mentioned is that over time and wear...
Teflon is in many tin cans these days as well as cooking (under various names), toasters, appliances. In tin cans you will see a white lining. My parottlets died (almost instantly in the next room) from me heating mason jar tops that had this white lining in the oven at a very low temperature...
