(May 25, 2016, 9:19 AM EDT) -- NEW ORLEANS — A refinery owner seeking help with environmental cleanup costs appealed to the Fifth Circuit U.S. Court of Appeals on Jan. 13, contending that the district court incorrectly ruled that the refinery was actually not covered by the indemnity policy that covered the refinery’s parent company (AIG Specialty Insurance Company, f/k/a Chartis Specialty Insurance Company v. Tesoro Corporation, No. 15-50953, 5th Cir.)....