426 A.2d 1224 York County Hospital and Home, Appellant v. District Council 89, American Federation of State, County and Municipal Employees, AFL-CIO Local 1485, Appellee. Commonwealth Court of Pennsylvania.Argued February 6, 1981 March 6, 1981. Labor relations — Grievance — Timely filing — Arbitrator — Union — Collective bargaining agreement — Unfair labor practice. 1. […]