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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 201481272 - Employees Suffer Burns And Hearing Loss Following Explosion

Accident: 201481272 -- Report ID: 0950622 -- Event Date: 05/05/1998
InspectionOpen DateSICEstablishment Name
12586701005/07/19982892Teledyne Ryan Aeronautical
An employer manufactured explosive compounds by recrystallizing a batch containing approximately 50 pounds of material. Mixing and manufacturing usually took place in a single vessel. Employee #1 placed the first powdered component into the vessel. Employee #1 then began to introduce the acid into the vessel. Employee #1 went to a nearby structure to speak with Employee #2. Employee #1 heard a brief hiss, and the vessel exploded. Employee #2 suffered burns to his back and was admitted at a local medical facility for treatment. Employees #1 and #3 developed hearing loss. At the time of the explosion, approximately 60 gallons of acid had been charged into the vessel (half of the total). A fire began shortly thereafter. The surrounding structures and all materials were burned from the fire. An emergency response team responded to the incident. The emergency response team allowed all the materials to be consumed by the fire.
Keywords: burn, chemical vessel, explosion, hearing loss, chemical reaction
Employee # Inspection Age Sex Degree Nature Occupation
1 125867010 Non Hospitalized injury Burn(Chemical) Machinery maintenance occupations
2 125867010 Non Hospitalized injury Hearing Loss Machinery maintenance occupations
3 125867010 Non Hospitalized injury Hearing Loss Machinery maintenance occupations

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