The first time the Occupational Safety and Health Administration sent someone to investigate a tip about a loading dock accident at Anthony Marano Co.’s produce distribution facility at 3000 S. Ashland Ave. in Chicago, OSHA didn’t have a warrant and Marano’s lawyer told the inspector to leave. But when the Secretary of Labor’s representative returned with a supervisor, two federal marshals and a warrant from a U.S. magistrate judge, the attorney again barred entry — this time because Marano allegedly had a right to pre …