EE WAS COLLECTING SAMPLE FROM A CAR ON #1 TRACK. WHILE ON TOP OF CAR THE TRAIN TOOK OFF WITH HIM ON TOP. THE JOLT KNOCKED EE ONTO HIS SIDE CAUSING EE TO BRUISE HIS RIGHT HIP. EE WAS TIED OFF W ITH FALL PROTECTION. THE RAIL CAR DID NOT PULL TOTALLY OUT FROM UNDER HIM. LIGHT DUTY.