This steel tank ruptured during the explosion, which severed a researcher's arm. Credit: Honolulu Fire Department

This steel tank ruptured during the explosion, which severed a researcher's arm. Credit: Honolulu Fire Department

Earlier today, the University of Hawaii released a second investigation report into the lab explosion that caused a postdoctoral researcher to lose one of her arms. This report was by the University of California Center for Laboratory Safety; the first was by the Honolulu Fire Department. Still to come is the one by the Hawaii Occupational Safety & Health Division.

At the time of the explosion, postdoctoral researcher Thea Ekins-Coward had just finished combining hydrogen, carbon dioxide, and oxygen gases from high-pressure cylinders into a lower pressure container. The mixture was to be used as a feedstock to grow bacteria to produce bioplastics and biofuels.

I've only made it through a quick read of the technical part of the report so far, but here are some quotes:
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