No. 76-2399. March 4, 1977. Elliott Moore, Deputy Associate Gen. Counsel, N.L.R.B., Howard E. Perlstein (argued), Washington, D.C., for petitioner. Neil M. Herring (argued), Finkel Herring, Los Angeles, Cal., Seymour Swerdlow, Dern, Mason Swerdlow, Beverly Hills, Cal., Roderick S. Cooney, Bakersfield, Cal., Terry R. Livingston, Tehachapi, Cal., Bruce Gibson, U.S. Borax Chem. Corp., Los Angeles, Cal., for respondent. Petition for review from the National Labor Relations Board. Before MERRILL, ELY