EE WAS REPLACING GRIZZLY BARS ON THE SHUTDOWN SECONDARY SCREEN DURING THE NIGHT SHIFT OF AUG. 10TH. AT APPROX 0100AM, WHILE BELOW ON THE DISCHARGE BELT GETTING THE BOTTOM HALVES, HIS LEG SLIP PED AND HE STRUCK HIS LEFT LEG ON THE SHIN AREA AGAINST THE CONVEYOR HSIRTING SUPPORTS. INITIAL TREATMENT WAS 1ST AID ONLY, UNTIL 8-16 WHEN EE WA PUT OFF WORK DUE TO EXTENSIVE SWELLING AND