OSHA Accident Investigation · Summary #674028
ENCLOSED SPACE,UNCONSCIOUSNESS,INHALATION,SAW,EXHAUST FUMES,CARBOXYHEMOGLOBIN,CARBON MONOXIDE,VENTILATION,CONSTRUCTION,POISONING
Event description
EMPLOYEES EXPOSED TO CARBON MONOXIDE FROM A CONCRETE SAW
Investigation abstract
EMPLOYEES #1, #2 AND #3 WERE BUILDING A FRAME PARTITION IN A 30 BY 45 FOOT AREA. . A SUBCONTRACTOR WAS USING A GASOLINE-POWERED 18 HORSEPOWER "TARGET" CONCRETE SA W WITH A DIAMOND BLADE (SERIAL NO. EC 185 DM18E-8462B). AFTER 4 HOURS EMPLOYEE # 1 AND #2 BECAME SICK AND EMPLOYEE #1 INSTRUCTED ALL THE OTHER EMPLOYEES TO LEAVE THE AREA. EMPLOYEE #1 PASSED OUT AFTER LEAVING THE AREA. ALL THREE EMPLOYEES WE RE HOSPITALIZED, THEN RELEASED AFTER 9 HOURS. THE EIGHT HOUR TWA FOR CARBON MONO XIDE EXPOSURE WAS DETERMINED TO EXCEED 150 PPM BY EXTRAPOLATING FROM THE CARBOXY HEMOGLOBIN LEVEL IN THE BLOOD OF THE EMPLOYEES. THE CASUAL FACTOR OF THIS INCIDE NT WAS THE USE OF AN INTERNAL COMBUSTION ENGINE IN A UNVENTILATED ENCLOSED SPACE
Victims (4)
-
#1 Hospitalized Age 37 M
- Nature of injury
- 2
- Part of body
- 25
- Event type
- 8
- Source
- 19
- Occupation code
- 554
- Human factor
- 19
- Environmental factor
- 7
- Hazardous substance
- 0560
- Task assigned
- 1
-
#2 Hospitalized Age 30 M
- Nature of injury
- 2
- Part of body
- 25
- Event type
- 8
- Source
- 19
- Occupation code
- 567
- Human factor
- 19
- Environmental factor
- 7
- Hazardous substance
- 0560
- Task assigned
- 1
-
#3 Hospitalized Age 34 M
- Nature of injury
- 2
- Part of body
- 25
- Event type
- 8
- Source
- 19
- Occupation code
- 569
- Human factor
- 19
- Environmental factor
- 7
- Hazardous substance
- 0560
- Task assigned
- 1
-
#981 Degree 0 Age 0
- Nature of injury
- 0
- Part of body
- 0
- Event type
- 0
- Source
- 0
- Occupation code
- 0
- Human factor
- 0
- Environmental factor
- 0
- Task assigned
- 0
Codes shown verbatim from OSHA's accident-investigation database. A human-readable decoder is coming in a future release once the accident_lookup2 dictionary is loaded.