In May 2009, a compressed air tank failed, blowing the bottom off of the tank and sending fragments flying into a concrete wall, puncturing the wall. The investigation following the incident
revealed several serious problems with the condition of the tank, including severe corrosion and rust at the bottom of the tank, where it failed, and an improper weld repair which had been made to the tank at some time in the past. Although the weld repair did not contribute to this incident, it is a symptom of improper maintenance and inspection and could have caused a tank failure.
Fortunately, nobody was in the area when the tank failed, and there were no injuries.
Pictures below