EMPLOYEE STATES THAT HE WAS REPAIRING THE DRIVE POSITIONER ON A SLURRY PUMP. WHEN HE STEPPED FROM THE FLOOR UP ON THE PUMP BASE HIS FOOT SLIPPEDCAUSING HIM TO SPLIT HIS LEGS APART, EMPLOYEE WE NT TO DOCTOR ON 3-1-00, HAS STRAIN TO GROIN AREAPRESCRIBED ANTO INFLAMMATORY DRUG AND TOLD NIO LIFTING UNTIL HEALED.