DuPont’s Teflon Making A Comeback, But Not The Kind You Want: Pfoa Turning Up In Drinking Water Sources Worldwide. Remember Teflon? The miracle non-stick cooking surface that spawned a thousand cheap imitators that would peel and flake out of the pan within a week? Well the perfluorinated chemical used to make it is turning out to be surprisingly sticky, in terms of its ability to hang around in the environment.… Read the rest