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Accident: 170764161 - Four Employees Overcome By Carbon Dioxide When Valve Fails

Accident: 170764161 -- Report ID: 0950615 -- Event Date: 03/26/1998
InspectionOpen DateSICEstablishment Name
12550780603/27/19985812Mcdonalds
On March 26, 1998, Employees #1 through #4 were in the vicinity of a 400 lb carbon dioxide cylinder when the burst disk failed. They attempted to shut off the valve but were unsuccessful. Employee #1 lost consciousness and was rescued by two coworkers, who were wearing SCBA respirators but who did not have any air monitoring equipment. Employees #1 through #4 were taken to the hospital for observation and released within hours. The burst disk failed due to contact with Coca-Cola syrup, whose corrosive properties damaged its integrity and caused it to fail at less than its standard 300 lb rating.
Keywords: unconsciousness, safety relief valve, inadequate maint, work rules, inhalation, equipment failure, corrosion, carbon dioxide, chemical vapor, overexposure
Employee # Inspection Age Sex Degree Nature Occupation
1 125507806 Non Hospitalized injury Asphyxia Kitchen workers, food preparation
2 125507806 Non Hospitalized injury Asphyxia Kitchen workers, food preparation
3 125507806 Non Hospitalized injury Asphyxia Supervisors, food preparation & service occupation
4 125507806 Non Hospitalized injury Asphyxia Supervisors, food preparation & service occupation

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