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Occupational Safety and Health Administration OSHA

Inspection Detail

Inspection: 111894515 - Dow Chemical Company Usa

Inspection Information - Office: Ca Concord

Nr: 111894515Report ID: 0950622Open Date: 06/26/1991

Dow Chemical Company Usa
901 Loveridge Road
Pittsburg, CA 94565
Union Status: NonUnion
SIC: 2879/Pesticides and Agricultural Chemicals, Not Elsewhere Classified
Mailing: P. O. Box 1398, Pittsburg, CA 94565

Inspection Type:Accident
Scope:Partial Advanced Notice:N
Ownership:Private
Safety/Health:Health Close Conference:11/06/1991
Close Case:02/20/1992

Related Activity:TypeIDSafetyHealth
 Accident361318447    

Violation Summary
Serious Willful Repeat Other Unclass Total
Initial Violations 4 1 5
Current Violations 4 1 5
Initial Penalty $8,000 $0 $0 $0 $0 $8,000
Current Penalty $8,000 $0 $0 $0 $0 $8,000
FTA Amount $0 $0 $0 $0 $0 $0

Violation Items
# ID Type Standard Issuance Abate Curr$ Init$ Fta$ Contest LastEvent
  1. 01001 Other 5142 B01 11/08/1991 12/09/1991 $0 $0 $0 -
  2. 02001 Serious 3328 A 11/08/1991 12/09/1991 $2,000 $2,000 $0 -
  3. 03001 Serious 3328 G 11/08/1991 12/09/1991 $2,000 $2,000 $0 -
  4. 04001 Serious 5155 C02 B 11/08/1991 12/19/1991 $2,000 $2,000 $0 -
  5. 05001 Serious 5141 A 11/08/1991 12/09/1991 $2,000 $2,000 $0 -

Accident Investigation Summary
Summary Nr: 170197289Event: 06/25/1991Ten Employees Hospitalized Due To Chlorine Exposure
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
Inspection 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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