Ohio’s attorney general filed suit against chemical giant DuPont on Thursday, charging the company with illegally dumping a toxic chemical from its Washington Works plant into the Ohio River for decades. The suit charges DuPont released the chemical, which is used in Teflon coating, even though it knew of the dangers of PFOA, also known as C8, which has been linked to cancer, thyroid disease, high cholesterol and low birth weight in babies. The Ohio lawsuit comes as the Environmental Protection Agency ordered DuPont to test water near its Washington Works plant for another chemical, GenX—which was billed as a replacement for C8 but which is linked to many of the same health problems. To see a full discussion about Teflon, DuPont and C8, you can go to our discussion at Sundance, when we interviewed those involved with the film “The Devil We Know.”