EE WAS LIFTING COVER OFF OF A RECLAIM HOPPER. A SACK HOLDER FRAME THAT WAS OVERHEAD FELL AS A RESULT OF VIBRATION AND HIT EE ON LEFT LOWER BACK, KNOCKING HIM DOWN TO A SITTING POSITION. EE DENIES PAIN OR DISCOMFORT TO ANY OTHER PART OF BODY EXCEPT FOR LOW BACK. ON 07/17/07, EE'S TREATING PHYSICIAN TOOK HIM OFF WORK. EE CURRENTLY LOSING WORK DAYS.