RedactedNarrative: The operator of Unit 1, attempted to start the PWC.  By all witness accounts, the PWC immediately exploded after he pressed start, thus throwing the operator off.  It appears that the seat stayed intact, protecting the operator.  The explosion sent the majority of the PWC flying in different directions, even throwing plastic pieces onto the roof of the nearby dock.  Victim refused medical treatment at the scene, but planned to go to the hospital by personal vehicle.