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Deployment
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Date
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Incident Description
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Investigation Status
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Motiva Enterprises Sulfuric Acid Tank Explosion
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7/17/2001
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On July 17, 2001, an explosion occurred at the Motiva Enterprises refinery in Delaware City, Delaware. A work crew had been repairing a catwalk above a sulfuric acid storage tank farm when a spark from their hot work ignited flammable vapors in one of the tanks. This tank had holes in its roof and shell due to corrosion. The tank collapsed, and one the contract workers was killed; eight others were injured. A significant volume of sulfuric acid was released to the environment.
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Closed – Full investigation report
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Bethune Point Wastewater Plant Explosion
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1/11/2006
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Two municipal workers died and another was seriously injured while attempting to remove a steel canopy above a methanol storage tank at the Bethune Point wastewater plant operated by the City of Daytona Beach. The workers were using a cutting torch that likely ignited methanol vapors from the tank and caused an explosion. The explosion led to the release of the total contents of the tank, approximately 3,000 gallons of methanol.
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Closed – Full investigation report
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Partridge Raleigh Oilfield Explosion and Fire
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6/5/2006
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Three contractors died and one contractor suffered serious injuries in an explosion and fire at the Partridge-Raleigh Oilfield. The contractors, all employees of Stringer Oilfield Services, were standing on top of a series of four oil production tanks. They were preparing to weld piping to the tanks when a welding tool likely ignited flammable vapors from the tanks.
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Closed – Full investigation report
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Packaging Corporation of America (PCA)
Tomahawk, Wisconsin
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7/29/2008
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Three workers were fatally injured and another injured while performing hot work on an 80ft tall paper pulp storage tank when it exploded on July 29, 2008. The tank contained a mixture of recycled paper pulp and water.
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Incident included in 2010 Safety Bulletin – Seven Key Lessons to Prevent Worker Deaths During Hot Work In and Around Tanks
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MAR Oil
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10/19/2008
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An explosion killed two contract workers while they were welding above a series of three interconnected crude oil storage tanks at a MAR Oil site.
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Incident included in 2010 Safety Bulletin – Seven Key Lessons to Prevent Worker Deaths During Hot Work In and Around Tanks
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EMC Used Oil
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12/2/2008
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An explosion occurred when residual hydrocarbon vapors ignited, killing a contract welder and injuring another who were repairing an oil tanker.
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Incident included in 2010 Safety Bulletin – Seven Key Lessons to Prevent Worker Deaths During Hot Work In and Around Tanks
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ConAgra Foods
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2/16/2009
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A welding contractor was killed when repairing a crack on the bottom of a water clarifier tank. The CSB determined that debris-laden water had leaked through the crack in the tank and accumulated in the hidden space under the tank skirting. A sample of the liquid indicated that bacterial decomposition of the organic matter likely produced flammable gas.
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Incident included in 2010 Safety Bulletin – Seven Key Lessons to Prevent Worker Deaths During Hot Work In and Around Tanks
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A.V. Thomas Produce
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3/31/2009
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Two workers were severely burned when an explosion occurred while using an oxygen-acetylene torch to loosen a fitting on a fuel tank. The tank was not cleaned before work began.
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Incident included in 2010 Safety Bulletin – Seven Key Lessons to Prevent Worker Deaths During Hot Work In and Around Tanks
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TEPPCO Partners
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5/12/2009
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Three contractors were using a cutting torch on top of the internal floating roof of a storage tank when an internal explosion blew both the top of the floating roof and the secondary dome-shaped lid off the tank.
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Incident included in 2010 Safety Bulletin – Seven Key Lessons to Prevent Worker Deaths During Hot Work In and Around Tanks
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E.I. DuPont de Nemours & Co Inc. Fatal Hot Work Explosion
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11/9/2010
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This case study examines a November 9, 2010, explosion at an E.I. DuPont de Nemours and Co. Inc., Yerkes chemical plant in Buffalo, New York when a contract welder and foreman were repairing the agitator support atop an atmospheric storage tank containing flammable vinyl fluoride.
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Closed – Full investigation report
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Long Brothers Oil Company
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5/21/2012
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Three workers were fatally injured on May 21, 2012 when a tank containing oil exploded. The workers were using a cutting torch and a grinder to remove a catwalk affixed to the tanks at the time of the explosion and subsequent fire.
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Deployment only
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Omega Protein
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7/28/2014
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An explosion blew the lid off the 30-foot-high tank, fatally injuring a contract worker and severely injured another who were performing hot work on the tank. CSB found microbial activity in the tank water samples and off gassing of flammable methane and hydrogen sulfide.
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Deployment only
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Sunoco Logistics Partners
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8/12/2016
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Seven workers were injured, three critically, when a flash fire occurred during hot work activities at a terminal facility.
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Ongoing investigation
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