EMPLOYEE RECEIVED AN HF BURN TO SOME SMALL AREAS OF HIS LEFT HAND AND FINGERS. THE EMPLOYEE BELEIVES HE CONTACTED HF RESIDUE AFTER CLEANING THE 10-SCREW. IT COULD HAVE BEEN WHILE REMOVING HIS GLOVES OR HANDLING TOOLS. EMERGENCY ROOM DOCTOR INJECTED PALM WITH CALCIUM GLUCONATE ON 12/25/03.