Investigation Report: Catastrophic Vessel Failure, Louisville, Kentucky, April 11, 2003   [open pdf - 697KB]

"This investigation report examines a vessel explosion that occurred on April 11, 2003, at D. D. Williamson & Co., Inc., in Louisville, Kentucky. The explosion caused a massive release of aqua ammonia. Twenty-six residents were evacuated, and 1,500 people were sheltered in place. This report identifies the root and contributing causes of the incident and makes recommendations on overpressure protection, hazard evaluation systems, layers of protection, and operating procedures and training. The U.S. Chemical Safety and Hazard Investigation Board (CSB) is an independent Federal agency whose mission is to ensure the safety of workers, the public, and the environment by investigating and preventing chemical incidents. CSB is a scientific investigative organization; it is not an enforcement or regulatory body. Established by the Clean Air Act Amendments of 1990, CSB is responsible for determining the root and contributing causes of accidents, issuing safety recommendations, studying chemical safety issues, and evaluating the effectiveness of other government agencies involved in chemical safety."

Report Number:
Report No. 2003-11-I-KY
Public Domain
Retrieved From:
U.S. Chemical Safety and Hazard Investigation Board: http://www.csb.gov/
Media Type:
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