United States Postal Service v. American Postal Workers Union, Afl-Cio v. National Post Office Mail Handlers, Watchmen, Messengers and Group Leaders Division of the Laborers' International Union of North America, Afl-Cio, Defendant-Cross- Claimant-Appellee

893 F.2d 1117 133 L.R.R.M. (BNA) 2381 , 114 Lab.Cas. P 11,810 UNITED STATES POSTAL SERVICE, Plaintiff-Appellee, v. AMERICAN POSTAL WORKERS UNION, AFL-CIO, Defendant-Appellant, v. NATIONAL POST OFFICE MAIL HANDLERS, WATCHMEN, MESSENGERS AND GROUP LEADERS DIVISION OF THE LABORERS' INTERNATIONAL UNION OF NORTH AMERICA, AFL-CIO, Defendant-Cross- Claimant-Appellee. No. 88-15284. United States Court of Appeals, Ninth Circuit. Argued and Submitted Oct. 5, 1989. Decided Jan. 12, 1990. Darryl J. Anderson, O'Donnell, Schwartz & Anderson, Washington, D.C., for defendant-appellant. Kevin B. Rachel, Office of Labor Law, U.S. Postal Service, Washington, D.C., for plaintiff-appellee. Orrin Baird, Connerton, Ray & Simon, Washington, D.C., for defendant-cross-claimant-appellee. Appeal from the United States District Court for the Northern District of California. Before NORRIS, THOMPSON and O'SCANNLAIN, Circuit Judges. DAVID R. THOMPSON, Circuit Judge: 1 The American Postal Workers Union ("APWU") appeals the district court's decision ordering tripartite arbitration among the APWU, the United States Postal Service ("USPS"), and the National Post Office Mail Handlers, Watchmen, Messengers and…