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PFAS and Corporation v. Corporation

The world's largest independent petroleum refiner, Valero, has filed suit against firefighting foam manufacturers, including DuPont and 3M, for contaminating Valero's facility in Ardmore, Oklahoma with per- and polyfluoroalkyl substances (PFAS). PFAS are called "forever chemicals" because of their persistence in both the environment and the human body. PFAS accumulate over time and are linked to cancer and other adverse health effects. Valero joins a growing group of litigants, including various states and cities, who are accusing PFAS manufacturers of covering up the dangers of these chemicals and causing contamination. For more information, see:

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