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| CSB | INVESTIGATION INFORMATION PAGE
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| Packaging Corporation Storage Tank Explosion |
| Tomahawk, WI, July 29, 2008 |
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| An internal explosion ripped open the roof of a pulp storage tank at the Packaging Corporation corrugated mill, killing three workers who were performing hot work on the tank. |
Incident Description
On July 29, 2008, three workers died and a fourth was injured when an explosion occurred inside an 80-foot-tall storage tank at the Packaging Corporation of America (PCA) corrugated cardboard mill in Tomahawk, Wisconsin. The workers were on a catwalk above the tank and performing hot work (welding) at the time of the explosion. The storage tank held a mixture of recycled paper pulp and water. The CSB is performing microbiological and chemical testing to determine what caused flammable gas to be present inside the tank.
Investigation Status
A CSB investigation is underway. Click here to contact the CSB about this investigation.
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