(August 29, 2023, 12:49 PM EDT) -- LANSING, Mich. — A divided Michigan appellate panel has affirmed a trial court ruling in favor of 3M Co. and held that state law requires a state agency to provide a regulatory impact statement (RIS) that includes an estimate of how much compliance with proposed rules related to per- and polyfluoroalkyl substances (PFAS) in drinking water will cost businesses....