County of Du Page v. ILLINOIS LABOR RELATIONS BD.879 N.E.2d 930 Ill.2007Check TreatmentCheck Treatment 879 N.E.2d 930 (2007) 226 Ill.2d 582 COUNTY OF DU PAGE v. ILLINOIS LABOR RELATIONS BD. No. 105395. Supreme Court of Illinois. November Term, 2007. Disposition of Petition for Leave to Appeal. Allowed.