INJURED WAS SHOVELING AND CLEANING ALONG #1 BELT. ATTEMPTED TO DISLODGE BLOCK FROM MUD AND BECAME NAUSEATED. DR IS POSSIBLE HERNIA. NO EQUIPMENT WAS INVOLVED AND THERE WAS NO COMPLIANCE TO RUL ES AND REGULATION VIOLATED. THE ATTITUDE TOWARD JOB SKILLS OR LACK OF AWARENESS MAY HAVE HAVE A CONTRIBUTING FACTOR. PROTECTIVE ITEMS, DEVICES OR EQUIPMENT WERE NOT FACTORS.