![]() ![]() ![]() ![]() ![]() The CSB determined that after the workers discovered a roll of duct tape lying inside the reactor on a tray about five feet below the opening they decided to attempt to remove it with a long wire hook. The reactor was under a nitrogen purge - a process which removes oxygen and hazardous gas from equipment by flowing nitrogen through it. The uninstalled pipe left an opening on a work platform 24 inches in diameter, surrounded by two-foot high steel bolts. The workers, employed by a contractor, Matrix Service Industrial Contractors, Inc., were engaged in reinstalling a large pipe elbow on the top of a pressure vessel, called a hydrocracker reactor. The accident occurred at the Valero Energy Corporation Refinery in Delaware City, Delaware, on Novemduring the overnight shift. Chemical Safety Board reports in a Case Study released today. Wilmington-Newark, Delaware, NovemA tragic accident in which two workers were asphyxiated inside a nitrogen filled confined space could have been avoided through better hazard awareness training and proper confined space rescue actions, the U.S. Emergency Planning and Response (Preparedness).Process Safety Management for the 21st Century.Drivers of Critical Chemical Safety Change.CSB Budget Requests and Strategic Plans. ![]()
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