CONYERS, Ga. – The U.S. Chemical Safety and Hazard Investigation Board (CSB) provided an update on Friday on its investigation into the Conyers chemical plume disaster. On Sept. 29, a massive fire sparked at a BioLab facility in Rockdale County, which filled the air with toxic chemicals and smoke for weeks. The catastrophic incident led to significant community impacts, including widespread evacuations and shelter-in-place orders.