Chemours, DuPont Conflict Heightens Over Fluorochemicals

The question of who is liable for the chemicals contaminating drinking water across the U.S. is pitting Dupont against its spinoff, The Chemours Co.

The companies responded Sept. 10 to Democratic lawmakers’ concerns that per- and polyfluoroalkyl substances, or PFAS, affect human health and the environment. Both the House and Senate are working on legislation to address exposure to the substances, known as “forever chemicals” for their persistence in the environment and in human bodies.

DuPont said that profitable Chemours is “fully capable” of cleaning up the chemical sites it owns and operates, while Chemours told House Oversight subcommittee ...