EE FELT A SUDDEN PAIN IN HIS LOWER ABDOMEN WHILE LIFTING SIXTY FOUR OF THE 45# TEK-SEL BAGS AND PLACING THEM ON TOP OF THE LONGWALL PUMP. INITIAL INJURY OCCURRED 10/27/2003 & WAS RELEASED FULL DUTY FROM MESA OCCUPATIONAL & SPORTS MEDICINE AT TIME. THE PAIN CONTINUOUSLY PROLONGED AND ON 1/20/04 PLACED ON RESTRICTED DUTY. 3/19/04 HE RECEIVED A SURGERY.