LIME LOADER WAS OPENING THE TOP LOADING HATCHES ON A RAILROAD HOPPER CAR AND DECIDED TO USE HIS LEFT FOOT TO KICK OPEN THE LOCK PIN TO RELEASE THE HATCH LID AND LATER REPORTED AN INJURY ON 12- 7-01 AS A RESULT OF THIS ACTIVITY. HE LAST WORKED HIS REGULAR SHIFT 12-6-01 AND WENT OFF WORK 12-7-01 DUE TO CONTUSION OF THE MIDDLE TOE HITTINGTHE INSIDE OF STEEL TOED SAFETY SHOES.