The chemicals called “PFAS” have been in the news a lot lately — like the recent revelation that the U.S. Environmental Protection Agency was allowing PFAS-contaminated water to be treated in Lowell and discharged into the Merrimack River, or the news that chemical giant 3M is suing the state of New Hampshire over the state’s strict PFAS drinking water standards. So, what are these chemicals, anyway? And should we be worried about them? Read more…
