EPA'S UIC PROGRAM CONDUCTED AN INSPECTION OF RESPONDENT'S FACILITY ON 7/23/98. AT THE TIME OF INSPECTION, THE FACILITY UTILIZED TWO SERVICE BAYS FOR AUTOMOTIVE MAINTENANCE & ONE WASH BAY FOR EXTERIOR WASHING OF AUTOMOBILES. A 1'X1' DRAIN WAS IDENTIFIED IN THE SERVICE BAY AND 8 DRAIN IN THE WASH BAY. DURING THE INSPECTION, RESPONDENT INDICATED THAT THE DRAINS DISCHARGE TO A GRAVEL FILLED DRY WELL. THE EPA INSPECTION NOTED AN OILY SUBSTANCE IN THE FLOOR DRAIN.