3M’s Win Overturns Michigan ‘Forever Chemicals’ Water Rules (1)

Some of the country’s most stringent standards limiting forever chemical pollution are at risk after a Michigan appellate court said state regulators botched the rule-making process and failed to calculate cleanup costs imposed on industry.

When Michigan Department of Environment, Great Lakes, and Energy regulators ushered through drinking water standards targeting seven types of per- and polyfluoroalkyl substances (PFAS) in roughly a year, they violated the state’s Administrative Procedures Act by refusing to calculate costs businesses or the public might have to shoulder for cleaning up groundwater contamination, a divided Michigan Court of Appeals ruled Tuesday. ...