U.S. Chemical Safety Board Launches Investigation into Fatal Chemical Incident in Chattanooga, TN


Washington D.C. June 4, 2024 – Today the U.S. Chemical Safey and Hazard Investigation Board (CSB) announced that it has deployed a team of chemical incident investigators to investigate the fatal fire that occurred last Thursday, May 30, at the TS USA liquid nitriding facility in downtown Chattanooga, TN.  One person died after suffering severe burns during the incident at the TS USA facility, which uses the nitriding process to harden the outer layer of metal parts. 

Four CSB investigators arrived on site at the TS USA facility today and have commenced investigative activities, including documentation of the incident site and interviews with facility employees.

The CSB’s board members are appointed by the President subject to Senate confirmation. The Board does not issue citations or fines but makes safety recommendations to companies, industry organizations, labor groups, and regulatory agencies such as OSHA and EPA.

Please visit our website, www.csb.gov. For more information, contact Communications Manager Hillary Cohen at [email protected]

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