( May 19, 2025, 8:02 AM EDT) -- COLUMBUS, Ohio — Chemical companies have removed to Ohio federal court a lawsuit brought by a water company that alleges that its water supply has been tainted with per- and polyfluoroalkyl substances (PFAS) from the firefighting agent known as aqueous film forming foam (AFFF), arguing that, not only does the case belong in a federal forum, but the defendants are immune from liability based on the federal government contractor defense recognized in Boyle v. United Technologies Corp....