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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 943571 - Employees Burned In Explosion

Accident: 943571 -- Report ID: 0453710 -- Event Date: 11/10/1989
InspectionOpen DateSICEstablishment Name
1531110301/02/19907342Ecolab Pest Control
Two employees were applying pesticides to the ceiling area of a fast-food establishment. One employee was drilling holes in the ceiling, and the other employee was spraying Drione dust pesticide through the ceiling holes by means of a pressurized unit (a steel container pressurized at 0-5.3 pascals gauge, a hose with a used nozzle, and a safety pop-off valve). The container had been pressurized with pure oxygen. The dust passing through the system caused a buildup of static electricity. A static electrical discharge combined with the oxygen caused the container to explode, burning both employees. Employee #1 was hospitalized for 2 weeks. Employee #2 was hospitalized for 18 days.
Keywords: burn, oxygen, static electricity, electrical, explosion, combustible dust
Employee # Inspection Age Sex Degree Nature Occupation
1 15311103 Hospitalized injury Burn/Scald(Heat) Pest control occupations
2 15311103 Hospitalized injury Other Pest control occupations

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