The U.S. Chemical Safety and Hazard Investigation Board has released an update on its investigation into the BioLab fire, the September 29 inferno that engulfed a BioLab industrial building, shrouding neighborhoods in chemical smoke for days and forcing thousands of Georgia residents to shelter in place in each night or evacuate altogether.

Federal investigators have disclosed new findings about the BioLab chemical plant fires near Atlanta, uncovering a cascade of events leading to a hazardous chemical cloud. On September 29, the Conyers plant erupted,

The U.S. Chemical Safety Board (CSB) released new details today regarding its investigation into the fire that occurred in September at the BioLab chemical plant in Conyers.

The CSB's report details a chemical reaction and fire at a BioLab warehouse that led to shelter-in-place orders.