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