Industrial Union Department, Afl-Cio v. Dr. Eula Bingham, Assistant Secretary of Labor, the American Petroleum Institute, the National Petroleum Refiners Association on Behalf of Their Respective Members and American Petrofina, Incorporated v. Occupational Safety and Health Administration, United States Department of Labor, Dr. Eula Bingham, Assistant Secretary of Labor, and Ray Marshall, Secretary of Labor, Manufacturing Chemists Association, American Iron and Steel Institute, Independent Petroleum Association of America, Industrial Union Dept., Afl-Cio and United Rubber Workers, Afl-Cio, IntervenorsFiledDec 7, 1977Cited25×