HE SAID HE HURT HIS BACK ON 4-11-03 LIFTING A BOARD. HE SAID HE HURT IT AGAIN WHILE PULLING BELT BACK TOGETHER BUT NOT SURE ON DATE. HE SAID HE THOUGHT HE HAD KIDNEY STONES ON 4-21-03. HE FILE D A COMPANY ACCIDENT REPORT ON 4-30-03. HE THINKS HE HAS A LOWER BACK INJURY.