Incidents and violations

A catastrophic explosion of a high-pressure vessel at a St. Louis, Mo. box manufacturer  ultimately resulted in three deaths in April, 2017. Four years earlier, a high-pressure boiler at a Twin Cities' daycare exploded. 

View photos and incident reports below that detail boiler and air tank explosions from across the country: 

• Loy-Lange Box Company catastrophic pressure vessel failure

• Ammonia nurse tank

• Air tank explosions:

  • Air tank in home garage

  • Poorly constructed air tank

  • Too much pressure 

• Boiler explodes at Minnesota daycare

• Boiler overheats in St. Paul

• Historical boiler explosion:

  • Examination report 

  • Photos page 1

  • Photos page 2

  • Photos page 3

• St. Paul boiler removed from service

• Water boilers:

  • Fire tube steam boiler explosions

  • 280,000 BTU Burnham Explosion

Download a National Board Incident Report Form