MEMORANDUM AND JUDGMENT
Petitioner was found guilty of violating the prison disciplinary rule that prohibits the use of controlled substances after a sample of his urine twice tested positive for the presence of opiates. Substantial evidence of petitioner's guilt was presented at the disciplinary hearing in the form of the misbehavior report, the positive test results and testimony from the correction officer who had conducted the tests and authored the misbehavior report (see, Matter of Kae v. Selsky, 279 A.D.2d 682). The testimony given by petitioner and his inmate witnesses, which included the assertion that petitioner had ingested poppy-seed bread prior to testing and that this accounted for the positive results, presented an issue of credibility that was appropriately resolved in the discretion of the Hearing Officer (see, Matter of Aster v. Goord, 279 A.D.2d 921, 922; Matter of Wood v. Selsky, 240 A.D.2d 876, 877). Petitioner's claim that he was denied effective employee assistance which then abridged his right to call witnesses and present documentary evidence is without support in the record. The employee assistant appears to have worked diligently to produce the witnesses and evidence requested by petitioner and cannot be faulted for having failed to locate an unidentified inmate witness after making a good faith effort to do so or for failing to provide petitioner with documentary evidence that did not exist (see, Matter of Rivera v. Coombe, 241 A.D.2d 643, 644; Matter of Green v. Coombe, 234 A.D.2d 756, 757). Similarly without foundation is petitioner's claim of Hearing Officer bias. The transcript discloses that the hearing was conducted in a fair and impartial manner; nor does the record suggest that the determination under review was influenced by anything other than the substantial evidence of petitioner's guilt (see, Matter of Barnes v. Selsky, 278 A.D.2d 707, 708;Matter of Vicioso v. Goord, 266 A.D.2d 655, 656). Petitioner's remaining contentions have been reviewed and found to be without merit.
Cardona, P.J., Mercure, Crew III, Rose and Lahtinen, JJ., concur.
ADJUDGED that the determination is confirmed, without costs, and petition dismissed.