More "forever chemicals" are probably present in US water than EPA studies indicate

According to a Guardian examination of water samples from nine different US regions, the PFAS contaminants the government uses are probably absent in substantial amounts.

Portsmouth, New Hampshire's new $17 million water treatment facility was celebrated in May 2021 by local and federal officials, who pronounced the city's water free of harmful "forever chemicals."

Since per- and polyfluoroalkyl substances....