March 2001

A highly cited article in Environmental Science & Technology, published by the American Chemical Society, reports “for the first time on the global distribution of PFOS.” The study concludes that “PFOS were widely detected in wildlife throughout the world” and that “PFOS is widespread in the environment.”

August 2001

A class action is filed on behalf of West Virginia residents against DuPont in West Virginia state court (Leach v. E.I. DuPont). The class action asserts claims for contamination of human drinking-water supplies with PFOA allegedly originating from DuPont’s manufacturing facility.

Fall 2000

The federal court in the West Virginia litigation orders DuPont to submit 110,000 pages of documents dating back to the 1950s of DuPont’s “private internal correspondence, medical and health reports and confidential studies conducted by DuPont scientists.”

July 1999

In the early 1980s, DuPont purchased parcels of land in West Virginia owned by brothers Wilbur Earl, Jim, and Jack Tennant. In 1984, the company began dumping waste containing PFOA into an unlined landfill in one of the hollows. Private plaintiffs sue DuPont in the U.S. District Court for the Southern District of West Virginia,…