( September 10, 2026, 8:03 AM EDT) -- ATLANTA — An 11th Circuit U.S. Court of Appeals panel denied as moot a petition for rehearing and rehearing en banc filed by an Alabama town in a lawsuit over per- and polyfluoroalkyl substances XE "per- and poly-fluoroalkyl
substances" (PFAS) contamination of the Alabama River after issuing a substituted opinion, finding for the second time that the trial court erred when it ruled that defendant 3M Co.’s removal of the case to federal court under the federal officer removal statute was improper but revising its analysis of the statute’s “acting under” requirement....