EE WAS ATTEMPTING TO ENTER A SCRUBBER TO CLEAR OUT A SLURRY LINE WHEN HE SLIPPED LOSING HIS FOOTING & HE FELL ABOUT 31 FT DOWN THE DISCHARGE CHUTE. EE WAS TAKEN TO LOCAL HOSPITAL FOR TREATMENT . RECEIVED 13 STITCHES TO THE BACK OF HIS HEAD & SEVERAL BRUISES & SMALL CUTS & SCRAPES TO HIS BODY. EE WAS KEPT OVER NIGHT FOR OBSERVATION.