United States Court of Appeals, Ninth Circuit

564 F.2d 271 96 L.R.R.M. (BNA) 3331 , 82 Lab.Cas. P 10,215 ASSOCIATED GENERAL CONTRACTORS OF CALIFORNIA, INC., Building Industry Association of California, Inc., and Engineering and Grading Contractors Association, Inc., Petitioners, v. NATIONAL LABOR RELATIONS BOARD, Respondent, and Joint Council of Teamsters No. 42, General Teamsters and Food Processing Union, Local No. 87, Sales Drivers & Dairy Employees Union, Local No. 166, Chauffeurs, Teamsters & Helpers Union, Local No. 186, General Truck Drivers Union, Local No. 235, Teamsters & Warehousemen Union, Local No. 381, Building Material & Dump Truck Drivers Union, Local No. 420, General Truck Drivers, Chauffeurs & Helpers Union, Local No. 898, and General Teamsters, Chauffeurs, Warehousemen & Helpers Union, Local No. 982, all affiliated with the International Brotherhood of Teamsters, Chauffeurs, Warehousemen and Helpers of America, and Associated Independent Owner-Operators, Inc., and California Dump Truck Owners Association, Intervenors. TEAMSTERS LOCAL UNION NOS. 137, 150, 216, 287, 291, 386, 431, 439, 490, 315, 624, 684, 890, 912 and 980, affiliated with the International Brotherhood of Teamsters,…