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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 200650257 - Five Employees Exposed To Sulfur Dioxide

Accident: 200650257 -- Report ID: 0521100 -- Event Date: 02/09/1999
InspectionOpen DateSICEstablishment Name
30048370802/09/19992621Weyerhaeuser Company
During a maintenance procedure, between 22,000 and 33,000 gallons of calcium bisulfite cooking acid was released from a digester. Employees #1 through #5 and 12 coworkers were exposed to sulfur dioxide, which is released when calcium bisulfite cooking acid is exposed to air. Employees #1 through #5 sustained chemical burns and were hospitalized; the 12 coworkers were evaluated and released.
Keywords: maintenance, caustic, unsecured, chemical reaction, sulfur dioxide, chemical burn, skin, accidental discharge, chemical
Employee # Inspection Age Sex Degree Nature Occupation
1 300483708 Hospitalized injury Burn(Chemical) Machinery maintenance occupations
2 300483708 Hospitalized injury Burn(Chemical) Machinery maintenance occupations
3 300483708 Hospitalized injury Burn(Chemical) Plumbers, pipefitters and steamfitters
4 300483708 Hospitalized injury Burn(Chemical) Plumbers, pipefitters and steamfitters
5 300483708 Hospitalized injury Burn(Chemical) Machinery maintenance occupations

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