In the advisory, Austin Powder stated that a “partially filled nitric acid storage tank” experienced an unexpected “chemical reaction” that decomposed nitric acid into nitrogen oxide gas.

— The U.S. Chemical Safety and Hazard Investigation Board (CSB) has opened an initial investigation into the June 11 release of toxic nitric acid and nitrogen oxide gas at the Austin Powder ...

WASHINGTON, D.C. — The U.S. Chemical Safety and Hazard Investigation Board (CSB) announced in a press release this week that they are investigating “two incidents involving toxic nitric acid” that ...

The U.S. Chemical Safety and Hazard Investigation Board (CSB) has launched an investigation into the release of toxic gas at Austin Powder Company facilities in Ohio and Tennessee. The company ...

VINTON COUNTY, Ohio (WOWK/NEXSTAR) – The U.S. Chemical Safety and Hazard Investigation Board (CSB) has launched an investigation into the release of toxic gas at Austin Powder Company facilities ...

The U.S. Chemical Safety and Hazard Investigation Board (CSB) has launched an investigation into the release of toxic nitric acid and nitrogen oxide gas at the Austin Powder Company’s Red ...

Austin Powder released a statement shortly after the gas release, blaming it on a “malfunction” during the start-up of the nitric acid plant. The second incident happened June 11 at the commercial ...