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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 170197289 - Ten Employees Hospitalized Due To Chlorine Exposure

Accident: 170197289 -- Report ID: 0950622 -- Event Date: 06/25/1991
InspectionOpen DateSICEstablishment Name
11189451506/26/19912879Dow Chemical Company Usa
Employees #1 through #10 were working in-and-around the Special Chemical and Sym-Test Control Rooms. A block valve failure caused a chlorine gas release. The block valve was in service and exposed to approximately 300 psi of pressure. The valve failure was due to lack of maintenance and inspection program for smaller valves. In addition, the bolts used for the block valve were not compatible for hydrochloric acid service. All ten employees were exposed to chlorine gas even after they evacuated to the control rooms. Employees #1 through #10 were hospitalized.
Keywords: leak, inadequate maint, work rules, inhalation, equipment failure, chlorine, bolt, valve, toxic fumes, overexposure
Employee # Inspection Age Sex Degree Nature Occupation
1 111894515 Hospitalized injury Other Occupation not reported
2 111894515 Hospitalized injury Other Occupation not reported
3 111894515 Hospitalized injury Other Occupation not reported
4 111894515 Hospitalized injury Other Occupation not reported
5 111894515 Hospitalized injury Other Occupation not reported
6 111894515 Hospitalized injury Other Occupation not reported
7 111894515 Hospitalized injury Other Occupation not reported
8 111894515 Hospitalized injury Other Occupation not reported
9 111894515 Hospitalized injury Other Occupation not reported
10 111894515 Hospitalized injury Other Occupation not reported

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