EE WAS USING A 4 1/2 INCH GRINDER WITH A WIRE WHEEL. HE WAS CLEANING AN ELEVATOR DOOR. MATERIAL SETTLED ON THE RIM OF FACE SHIELD AND WHEN HE LOOKED UP MATERIAL SLID OFF THE SHIELD INTO HIS FA CE. EE WAS WEARING FACE SHIELD AND SAFETY GLASSES AT TIME OF INCIDENT. EE SOUGHT MEDICAL ATTENTION. TRASH IN RIGHT EYE- EYE SCRATCHED.