AFTER PARKING TRK #42-106 AT THE FUEL STATION HE CROSSED THE ROAD, TO GET TO HIS OFFICE WHEN HE WENT TO STEP UP FROM THE NORTH SIDE OF MEGA MIX/LUBE BLDG, THE NEXT THING HE REMEMBERS WAS ROLLING DOWN THE SMALL GRADE. ANOTHER EE CAME OVER TO CHECK ON HIM, AND HELPED HIM TO HIS FEETAT WHICH TIME HE NOTICED PAIN IN LOWER LEFT ABDOMEN & LOWER BACK