The US Chemical Safety Board (CSB), a federal regulatory agency that investigates chemical accidents, has released a factual update to the May 2019 explosion and fire that took place at AB Specialty Silicones facility in Waukegan, IL. The 22-page factual update provides a comprehensive incident timeline that details the events leading to the massive explosion — felt by neighboring communities up to 20 miles away — and fire that fatally injured four workers and seriously injured another. The report includes witness accounts and findings from the physical evidence. To learn more, click here.