United Steel, Paper & Forestry, Rubber, Manufacturing, Energy, Allied Industrial & Service Workers International Union, Local Union 193-G v. PPG Industries, Inc.

ROVNER, Circuit Judge.

Plaintiffs United Steelworkers and Local Union 193-G (collectively, “the Union”) and defendant PPG Industries disagreed about whether PPG timely presented bar- gaming proposals under a collective bargaining agreement. The parties entered into arbitration, and the arbitrator ruled that some proposals were timely and others were not. The Union then filed suit to enforce the arbitrator’s award. See 29 U.S.C. § 185(a). According to the Union, PPG violated the award by implementing certain economic proposals that the arbitrator had deemed untimely. The district court granted…