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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 14298848 - Flammable Vapors Explode, Employee Not Injured

Accident: 14298848 -- Report ID: 0352410 -- Event Date: 10/14/1991
InspectionOpen DateSICEstablishment Name
10443826210/15/19912899New Jersey Fireworks Mfg. Co., Inc.
Employee #1 was working in the fuse building preparing and threading the machines for the next day's production. He had prepared the machines by adding a lacquer coating for the fuse and acetone to keep the lacquer from hardening. Once this was accomplished, Employee #1 swept the floor and placed the sweepings into a box beneath the table. He then proceeded to wash his hands in a 5-gallon container of acetone with approximately 1 to 2 gallons inside. An unknown ignition source ignited the vapors from the lacquer and acetone, resulting in a fire and explosion. Both substances have a flash point of 0 degrees Fahrenheit. A secondary explosion occurred. It is believed that this explosion originated in the box of sweepings, which contained a mixture of black powder and sawdust. Prior to the initial explosion Employee #1 noticed a trail of fire coming across the floor. He jumped out the door as the explosion occurred. Employee #1 had little training in his 2 months of employment.
Keywords: sawdust, vapor, flammable vapors, low flash point, lacquer, fire, acetone, explosion, powder, untrained
Employee # Inspection Age Sex Degree Nature Occupation
1 104438262 Non Hospitalized injury Burn(Chemical) Assemblers

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