ON FEBRUARY 6, 1998, EPA INSPECTED TWO ABOVE GROUND BULK FUEL STORAGE TANKS AND THREE MOTOR VEHICLES OWNED. OPERATED AND CONTROLLED BY RESPONDENT. AS A RESULR OF THE INSPECTION, EPA DETERMINED THAT THREE VEHICLES, A 1980 GMC TRUCK, A 1981 TRUCK, AND A 1982 FORD TRUCK, WERE MISFUELED WITH RED-DYED HIGH SULFUR DIESEL FUEL. AFTER CONSIDERING THE GRAVITY OF THE ALLEGED VIOLATION, AND RESPONDENT'S HISTORY OF COMPLIANCE WITH THE REGULATIONS, EPA DETERMINED TO REMIT AND MITIGATE THE PROPOSED CIVIL PENALTY FROM $4,500 TO $3,600.