Nos. 80-7266, 80-7348. Argued and Submitted April 15, 1981. Decided November 12, 1981. As Modified on Denial of Rehearing and Rehearing En Banc March 2, 1982. Lawrence Allen Katz, Streich, Lang, Weeks Cardon, Phoenix, Ariz., for petitioner. Candace Carroll, Atty., NLRB, Washington, D.C., argued, for respondent; W. Christian Schumann, Atty., Washington, D.C., on briefs. Petition to Review a Decision and Order of the National Labor Relations Board. Before GOODWIN and CANBY, Circuit Judges, and BYRNE