US EditionToxic gas releases at Ohio, Tennessee explosives plants under investigation
- On June 11, Austin Powder Company experienced a chemical leak at its McArthur, Ohio plant that released nitrogen oxide gas, prompting evacuations.
- The leak was caused by an unexpected chemical event within a large nitric acid storage tank holding 5,000 gallons, while a comparable release of gas was reported in Tennessee last November.
- Both incidents formed large brown plumes visible from miles away, led to evacuation orders, and caused no injuries according to investigators and the company.
- Steve Owens, Chairperson of the CSB, expressed worry over the occurrence of nitric acid-related events at a pair of Austin Powder sites within a seven-month period, noting that the company is fully supporting the federal inquiry.
- The CSB's ongoing inquiry aims to issue safety recommendations to prevent future releases and better protect workers, communities, and the environment.
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16 Articles
Toxic gas releases at Ohio, Tennessee explosives plants under investigation
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 in Ohio and Tennessee. The company manufactures explosives. The first incident happened Nov. 24, 2024 at the Austin-owned U.S. Nitrogen facility in the Midway community of Greene County, Tennessee, according to the CSB. Austin Powder released a statement…
Federal safety board probing Nov. 2024 nitric acid release at U.S. Nitrogen in Greene Co.
MIDWAY, Tenn. (WJHL) — A formal investigation has officially been launched months after the U.S. Nitrogen plant in Greene County experienced a malfunction upon startup and released plumes of nitric acid into the sky. The U.S. Chemical Safety and Hazard Investigation Board (CSB), which is "an independent federal agency responsible for investigating industrial chemical incidents that result—or could result—in catastrophic releases of hazardous sub…
U.S. Chemical Safety Board investigates chemical release at Austin Powder Company plant
Video of Previous Coverage VINTON COUNTY, Ohio (WOWK) -- 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 Diamond facility. The incident happened on June 11 at the commercial explosives manufacturing plant near McArthur in Vinton County, Ohio. The CSB is sending an investigator to the site to begin fact-findi…
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