Judgment, Supreme Court, New York County (Alice Schlesinger, J.), entered January 16, 2007, granting petitioner’s motion to annul an arbitrator’s award and denying respondents’ cross motion to confirm the award, unanimously reversed, on the law, without costs, petitioner’s motion denied and respondents’ cross motion granted.
Contrary to petitioner’s contention, the arbitrator, who was not bound by rules of evidence (see Matter of Silverman [Benmor Coats], 61 NY2d 299, 308 [1984]), did not exceed her power (CPLR 7511 [b] [1] [iii]) by admitting into evidence a memorandum from the director of the facility where petitioner was employed to a fellow employee about the status of the latter’s complaint about petitioner, unrelated to the instant arbitration. Petitioner argues that the arbitrator violated a provision of the collective bargaining agreement. However, the limitation contained in that provision is not specifically related to the