THIS IS AN URBAN BUS REBUILD CASE DISCOVERED DURING AN EPA AUDIT. ONE BUS WAS FOUND TO BE REBUILT WITHOUT NECESSARY CERTIFIED UPGRADE EQUIPMENT. RESPONDENT HAS AGREED TO INSTALL THE EQUIPMENT ON THIS BUS. RESPONDENT HAS ALSO AGREED TO CONDUCT A SELF-AUDIT PROGRAM TO DETERMINE COMPLIANCE FOR THE NEXT TWO YEARS, AND TO REPORT THE RESULTS TO EPA.