DURING MARCH 1999, BUSINESS EXPRESS AIRLINES CONDUCTED A S ELF-AUDIT OF ALL ITS DOMESTIC AIRPORT FACILITIES, REPORTED T HAT IT HAD POTENTIALLY VIOLATED SECTION 211(G) OF THE CAA, 4 2USC SECTION 7545(G), AND REGULATIONS ISSUED UNDER 40CFR PAR T 80, AND REQUESTED THE APPLICATION OF EPA'S DECEMBER 22, 19 95, SELF-DISCLOSURE POLICY. RESPONDENT REPORTED USING JET FUEL A TO FUEL FOURTEEN MOTOR VEHICLES LOCATED AT TWO AIRPO RTS. JET FUEL A, A FUEL PRIMARILY INTENDED FOR USE IN JET A IRCRAFT, HAS A SULFUR CONTENT GREATER THAN 0.05 WEIGHT PERCE NT. AS A RESULT, USE OF JET FUEL A TO FUEL MOTOR VEHICLES C ONSTITUTES A VIOLATION OF SECTION 211(G) OF THE CAA AND 40 C FR 80.29. RESPONDENT TOOK PROMPT ACTION TO REMEDY THE VIOLATIONS AND P REVENT FUTURE VIOLATIONS. RESPONDENT CHANGED ITS PRACTICES FOR FUELING ITS MOTOR VEHICLES TO ENSURE PROPER DIESEL FUEL IS USED. RESPONDENT CERTIFIES THAT IT IS NOW IN FULL COMPLI ANCE WITH THE DIESEL FUEL PROVISION OF SECTION 211(G) OF THE CAA AND 40 CFR 80.29.