EE WAS PICKING OVERSIZED ROCKS FROM B3-BC1 BELT CONVEYOR & THROWING TO THE GROUND WHEN HE FELT A PAIN IN STOMACH. HE DID NOT REPORT THIS UNTIL 08/25/03 AND SAID HE WANTED A DOCTOR TO LOOK AT H IS STOMACH. THE DOCTOR SAID THAT HE HAD A HERNIA IN THE UMBILICUS AREA. HE WAS REFERRED TO A SURGEON.