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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 170853071 - Employee Suffers From Exposure To Carbon Monoxide

Accident: 170853071 -- Report ID: 0950631 -- Event Date: 03/19/1997
InspectionOpen DateSICEstablishment Name
12590654505/02/19971771Fine Line

At 7:15 a.m. on March 19, 1997, a general contractor began jackhammering while a subcontractor started to cut concrete using a 35 hp Meco gasoline-powered generator to power the concrete saw. The generator was in the mechanical lab area and ran for 45 minutes. Employee #1, age 20, and three coworkers were exposed to carbon monoxide from the generator. Employee #1 and one coworker were transported by ambulance to Western Medical Center; the two other coworkers were driven to the hospital by the superintendent. Employee #1's carboxyhemoglobin level (COHB) was 23.8; those of the three coworkers were 27.3, 21.6, and 18.8. All four workers were treated in a hyperbaric chamber and released in satisfactory condition after 4 to 6 hours at the hospital. The employers were cited for serious violations of T8CCR 1528(b), for failing to protect its workers from exposure to harmful substances (carbon monoxide); and of T8CCR 1533(a), for operating equipment driven by an internal combustion engine inside the mechanical lab area without adequate methods of control.

Keywords: vapor, ventilation, construction, inhalation, exhaust fumes, carboxyhemoglobin, chemical vapor, poisoning, overexposure, carbon monoxide
Accident Details
End Use Proj Type Proj Cost Stories NonBldgHt Fatality
Commercial building New project or new addition Under $50,000 2

Employee Details
Employee # Inspection Age Sex Degree Nature Occupation Construction
1 125906545 Non Hospitalized injury Poisoning(Systemic) Concrete and terrazzo finishers FallDist:
Cause: Stripping and curing concrete
FatCause: Other

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