ON 3-25 WHILE USING A HAND HELD GRINDER, A FOREIGN PARTICLE CAME IN CONTACT WITH EE RIGHT EYE. HE IMMEDIATELY USED THE EYE WASH STATION THEN CONTINUED WORKING. ON 3-26-00 HE STILL EXPERIENCED EYE IRRITATION AND WAS SEEN AT THE LOCAL ER WHERE A METAL PARTICLE WAS REMOVED AND A PRESCRIPTION OF ERYTHROMYCIN WAS GIVEN. EE RETURNED TO WORK HIS NEXT SCHEDULED SHIFT.