CLEAN-UP/SHOVELING FLOOR AT #1 MILL, WEST SIDE WHEN HE FELT A SHARP PAIN IN HIS RT. ARM. EE CLAIMS HE REPORTED THE INCIDENT TO SUPV. THE DAY IT OCCURRED. SUPV. HAS NO RECOLLECTION THAT EE DID REPORT THE INCIDENT TO HIM. EE REQUESTED MEDICAL TREATMENT 10/03/05.