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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 14455919 - Employee Killed In Explosion During Explosives Mixing

Accident: 14455919 -- Report ID: 0854910 -- Event Date: 05/14/1984
InspectionOpen DateSICEstablishment Name
1519306305/15/19848731Megabar Explosives Corp
On May 14, 1984, Employees #1 and 2 were mixing an explosive emulsion. They had heated the oxidizers and fuel with emulsifier, separately, and had mixed them. The compound was being stirred with an electric mixer. Employee #1 dipped a spatula into the emulsion and picked up a sample. He said "its stringy," and put the spatula back into the beaker to return the sample. The product then exploded, killing Employee #1 and injuring Employee #2, who was hospitalized. The total weight of the mixture was 100 grams. The maximum permissible temperatures of the various ingredients were: perchlorates - 200 degrees C, fuel - 135 degrees C (mixed while cooling). Employee #2 observed an unusual color to the sample. The explosion was probably caused by mechanical shock or an out of control chemical reaction.
Keywords: explosives, explosive mixing, explosion, chemical reaction
Employee # Inspection Age Sex Degree Nature Occupation
1 15193063 Hospitalized injury Puncture Chemical technicians
2 15193063 Fatality Puncture Chemical technicians

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