WHILE WALKING UP THE STAIRS TO THE SETTLER UNDERFLOW DISCHARGE VALVES, EE SLIPPED ON THE STAIRS AND HIT HIS LEFT KNEE. HE WAS TAKEN TO MEDICAL AND RELEASED TO COME BACK TO WORK. ON 2/19/04 REC LASSIFIED FROM FA TO MT AFTER HIS KNEE WAS RE-EXAMINED BY THE COMPANY DOCTOR AND HE WAS GIVEN A PRESCRIPTION MEDICATION FOR PAIN AND INFLAMATION.