DuPont's decades-long production and concealment of perfluorooctanoic acid (PFOA) in Teflon manufacturing, causing environmental contamination and health effects.
Teflon, DuPont's iconic non-stick coating introduced in the 1940s, required production of perfluorooctanoic acid (PFOA), a chemical that persists indefinitely in the environment and human body. Internal DuPont documents, revealed through litigation and regulatory investigations, show the company detected PFOA contamination in drinking water near its Parkersburg, West Virginia manufacturing plant as early as 1981. Despite this knowledge, DuPont continued production and delayed public disclosure for years.
In 2005, following lawsuits and EPA investigations, DuPont agreed to a 16.5 million dollar settlement related to PFOA contamination affecting Parkersburg residents. Documents established that DuPont had studied PFOA's health effects since the 1970s, including animal studies showing organ damage, yet marketed Teflon-coated cookware and products widely. The EPA later classified PFOA as a likely carcinogen. Studies documented elevated PFOA levels in the blood of Parkersburg residents and linked exposure to kidney cancer, thyroid disease, and other conditions.
The Teflon-PFOA case exemplifies how chemical manufacturers can withhold safety information while regulatory agencies lag in enforcement. DuPont's internal knowledge of contamination, combined with delayed disclosure, established a pattern later recognized as critical context for understanding how industrial safety decisions prioritize profit over public health notification.
