EMPLOYEE STATED THAT WHILE STANDING IN A SUMP, HOSING MATERIAL OUT OF A PUMP HE FELL & CUT HIS LEFT EAR. HE STATED HE WAS HOSING OUT THE PUMP WHEN THE PRESSURE INCREASED ON THE HOSE, CAUSING THE HOSE TO JERK AND MADE HIM LOSE HIS BALANCE. HE FELL, STRIKING HIS HEAD AGAINST THE RIB AND CUTTING HIS EAR.