PFAS Plaintiffs Score Partial Win Over DuPont in Ohio Litigation

DuPont can’t relitigate a set of claims from Ohio and West Virginia residents who say PFAS from a manufacturing facility contaminated their water, and caused cancer and other diseases.

The U.S. District Court for the Southern District of Ohio sided with plaintiffs on several arguments in the sprawling multidistrict litigation that traces its roots back nearly 20 years.

At issue is E.I. du Pont de Nemours & Co.'s Washington Works manufacturing facility along the Ohio River. DuPont has acknowledged that the site—now run by spinoff The Chemours Co.—discharged perfluorooctanoic acid, or PFOA, into the water, air, and unlined landfills.

Judge ...