No. 85-2043. Submitted March 14, 1986. Decided September 17, 1986. Rehearing and Rehearing En Banc Denied November 13, 1986. Paul A. Levy, Washington, D.C., for petitioner. Linda Dreeben, NLRB, Washington, D.C., for respondent. Appeal from National Labor Relations Board. Before JOHN R. GIBSON, WOLLMAN, Circuit Judges, and HARRIS, Senior District Judge. The Honorable Oren Harris, Senior District Judge for the Eastern and Western Districts of Arkansas, sitting by designation. OREN HARRIS, Senior District