THE EE WAS USING AN AIR LANCE TO DISLODGE MATERIAL STICKING TO THE INSIDE OF THE RISER DUCT ON THE PREHEAT TOWER. WHEN SOME HOT PARTICLES OF KILN FEED GOT INTO HIS LEFT GLOVE HE JERKED HIS ARM BACKWARS. HIS ELBOW HIT A STEEL I-BEAM THAT HE WAS STANDING NEXT TO. HE REPORTED THE INJURY TO HIS SUPERVISOR BUT DID NOT WANT TO SEE A DOCTOR UNTIL 6/28/00 AFTER THE ELBOW BEGAN TO SWELL AND