Nos. 443, 580, Dockets 89-4085, 89-4103. Argued November 29, 1989. Decided February 14, 1990. Michael T. Harren, Rochester, N.Y. (Chamberlain, D'Amanda, Oppenheimer Greenfield, Rochester, N.Y., of counsel), for Rochester Joint Bd. Gerald L. Paley, Rochester, N.Y. (Phillips, Lytle, Hitchcock, Blaine Huber, Rochester, N.Y., of counsel), for Kleen Brite Laboratories, Inc. Barbara A. Atkin, Supervising Atty., NLRB, Washington, D.C. (Joseph E. Desio, Acting Gen. Counsel, Robert E. Allen, Associate Gen
No. 89-1886. Heard March 8, 1990. Decided June 6, 1990. Christopher J. Perry with whom Neil Jacobs, Lynne McCarthy, and Hale Dorr, Boston, Mass., were on brief, for petitioner. Julie B. Broido, Atty., with whom William R. Stewart, Deputy Asst. Gen. Counsel, Jerry M. Hunter, Gen. Counsel, Robert E. Allen, Associate Gen. Counsel, and Aileen A. Armstrong, Deputy Associate Gen. Counsel, for respondent. Petition for review of order of the National Labor Relations Board. Before CAMPBELL, Circuit Judge