No. 78-3111. June 25, 1980. As Amended on Denial of Rehearing December 8, 1980. William M. Bernstein, N.L.R.B., Washington, D.C., for petitioner. Michael E. de Grasse, Critchlow, Williams, Ryals Schuster, Richland, Wash., for respondent. Petition for Enforcement of an Order of the National Labor Relations Board. Before MERRILL and FARRIS, Circuit Judges, and BONSAL, District Judge. Honorable Dudley B. Bonsal, United States Senior District Judge for the Southern District of New York, sitting by designation