Massachusetts Adopts Stricter MCL for Six Combined PFAS Chemicals
On October 2, 2020, Massachusetts became the latest state or commonwealth to promulgate stricter water quality regulations for per- and polyfluoroalkyl substances (PFAS). The Massachusetts Department of Environmental Protection issued a new standard of 20 parts per trillion (ppt), which is more than three times lower than the present federal standard of 70 ppt (i.e., … Continued