443 A.2d 1357 American Federation of State, County and Municipal Employees, Local Union 757, AFL-CIO, Appellant v. City of Butler, Appellee. Commonwealth Court of Pennsylvania.Argued: October 6, 1981 April 15, 1982. Labor law — Bargaining unit — CETA employes — Contract interpretation — Timeliness of grievance — Power of arbitrator — Procedural issues. 1. CETA […]