PARKERSBURG — The chemical that replaced C8 in the Teflon-manufacturing process may be more toxic than its predecessor, according to a recent report from the U.S. Environmental Protection Agency.

In this series, Sharon Lerner exposes DuPont’s multi-decade cover-up of the severe harms to health associated with a chemical known as PFOA, or C8, and associated compounds such as PFOS and GenX.