“ Sinclair Refining Company, pursuant to joint motion of complainant, State of Illinois, and the defendants, State of Indiana, City of East Chicago, and Sinclair Refining Company; (6) and Socony-Vacuum Oil Company, Incorporated, pursuant to joint motion of complainant, State of Illinois, and the defendants, State of Indiana, City of East Chicago, and Socony-Vacuum Oil Company. Costs against these defendants are to be taxed in accordance with the recommendations of the Special Master. ”