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Loy Lange Box Company Pressure Vessel Explosion
Location: St. Louis , MO
Incident Occurred On: 04/03/2017
Incident Type: Community Impact

investigation information

Incident Description
A massive steam explosion caused a steel vessel weighing approximately 2,000 pounds to launch itself into the air. The initial explosion killed one worker and critically injured another. The vessel flew several hundred feet and landed on a nearby company, fatally injuring three members of the public.
Investigation Status
The CSB's investigation is currently underway.



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CSB Releases Investigative Update Into Loy Lange Box Company Catastrophic Pressure Vessel Failure
The U.S. Chemical Safety Board (CSB) released a “Factual Investigative Update” on the April 3, 2017, catastrophic rupture of a pressure vessel at the Loy Lange Box Company that killed four people and left another in critical condition.
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Update on the CSB Investigation into Loy-Lange Box Company Explosion
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