THE ROCK BIN AT THE CENTRAL CLEANING PLANT FOR OLD BEN COAL COMPANY BROKE LOOSE FROM THE STRUCTURE AT THE BOLTS, CAUSING THE BIN TO FALL INTO THE BED OF THE REFUSE TRUCK. THE EE WAS IN A GOB R TRUCK PARKED UNDER THE REFUSE BIN WHEN IT FELL INTO THE BED OF THE REFUSE TRUCK. THIS ACCIDENT IS UNDER INVESTIGATION.