For Decades, Polluters Knew PFAS Chemicals Were Dangerous But Hid Risks From Public

By By Jared Hayes and Scott Faber, Environmental Working Group For nearly 70 years, chemical companies like 3M and DuPont have known that the highly fluorinated chemicals called PFAS build up in our blood. They’ve known for almost that long that PFAS chemicals have a toxic effect on our organs. But they did not alert federal or state […]