UTILITYMAN WAS CUTTING CONVEYOR BELT WITH A UTILITY KNIFE WHILE MAKING A BELT SPLICE AT NO. 14 BELT DRIVE. THE KNIFE SLIPPED & HE RECEIVED A 3/4INCH INCISION ON THE BACK OF HIS LEFT HAND AT TH E THIRD KNUCKLE WHICH REQUIRED 8 SUTURES. NO DAYS WERE LOST. HE RETURNED TO WORK ON 4/23/01. THIS IS TO REPORT MEDICAL TREATMENT ONLY.