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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 14387575 - Employee Burned In Fire At Chemical Mixing Tank

Accident: 14387575 -- Report ID: 0524200 -- Event Date: 07/22/1986
InspectionOpen DateSICEstablishment Name
220490707/22/19862891Morton Chemical Division
Employee #1 was charging a 1,000-gallon mixing tank with dry materials prior to blending a batch of gel lacquer. Before charging, the tank had been cleaned with 50 gallons of toluene. The tank was charged through the top manhole opening using 370 pounds of a chlorinated rubber product and an estimated 120 pounds of carnauba wax. Employee #1 then removed the polyethylene liner from the fiberboard drum of wax and shook it. Shaking the polyethylene liner generated a static spark that ignited the dust and the toluene vapors in the tank. Fire flashed out of the tank and Employee #1 sustained first- and second-degree burns to 10 percent of his body. Nitrogen had been added to the tank, but sufficient oxygen was still present to support combustion.
Keywords: burn, static electricity, flammable vapors, work rules, fire, toluene, spark, chemical vapor, combustible dust, tank
Employee # Inspection Age Sex Degree Nature Occupation
1 2204907 Hospitalized injury Burn/Scald(Heat) Occupation not reported

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