EE FELL OFF WATER TRUCK WHILE GETTING INTO CAB. HE HAD FILLED UP THE WATER TRUCK AND CLIMBED UP THE LADDER TO GET INTO THE CAB AND LOST HIS FOOTING WHILE GETTING INTO THE DOOR. HE FELL ~8' TO THE GROUND & LANDED ON HIS RIGHT SIDE RESULTING IN CONTUSIONS AND ABRASIONS TO HIS RIBS, LEGS & BACK WITH SOME POSSIBLE MILD BACK STRAIN.