WHILE OPERATING AN END DUMP TRUCK, EMPLOYEE WAS EXPERIENCING NAUSEA, VOMITING AND CHEST PAIN. HE WAS TRANSPORTED BY COMPANY VEHICLE TO THE COMPANY FIRST AID STATION WHERE HE WAS CARED FOR BY M EMBERS OF THE MINE RESCUE TEAM UNTIL THE LOCAL EMERGENCY MEDICAL SERVICE COULD ARRIVE. HE WENT INTO CARDIAC ARREST IN THE AMBULANCE WHILE ON ROUTE TO THE HOSPITAL.