DuPont will stop using controversial PFAS chemicals in its operations by the end of the year, the Wilmington-based company announced Wednesday. PFAS — a group of chemicals used in the production of things like Teflon and firefighting foam — has been associated with serious health problems as the resilient chemicals don’t break down naturally in the environment or the human body. It will also offer royalty-free licenses for DuPont’s proprietary PFAS water-treatment technology and bring in external experts who will review its use and handling of “substances of concern.” DuPont’s announcement comes about two weeks before the House of Representatives’ Oversight and Reform Committee’s environmental subcommittee plans to hold a hearing on PFAS contamination, Chemical and Engineering News reported.
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