105,313Records 71,083Employers 85,290Hospitalizations 27,770Amputations 2015-01-01 2025-10-31
Safety Incidents OSHA Severe Injury Reports · 2015–2025

OSHA Accident Investigation · Summary #708784

UNCONSCIOUSNESS,CONFINED SPACE,PPE,SCBA,DIZZINESS,ELEC UTILITY WORK,CARBON MONOXIDE

Event
UNCONSCIOUSNESS,CONFINED SPACE,PPE,SCBA,DIZZINESS,ELEC UTILITY WORK,CARBON MONOXIDE
Linked inspection
No inspection record linked to this accident's victims.
Summary number
708784
Report ID
854910

Event description

EXPOSED TO CARBON MONOXIDE IN CONFINED SPACE

Investigation abstract

An employee was working in a water supply penstock, using a gasoline-driven wate the blood. His blood carbon monoxide level was found to be very high. r pump. The pipe was 1.8 meters in diameter, with an access opening that was 0.6 meters in diameter. Equipped with a self-contained breathing apparatus tank and regulator for use as a respirator, he was working about 15 meters from the acce ss opening. He was doing heavy work, breathing normally (through his nose). Afte r he had been in the penstock for about 10 minutes, he became dizzy and started toward the access opening. He passed out just as he made it to the opening. The attendant outside the confined space pulled him out, and he revived in the fresh air. He was taken to the hospital, where he was checked for carbon monoxide in

Victim

  1. #1 Non-hospitalized injury Age 38 M

    Nature of injury
    2
    Part of body
    4
    Event type
    8
    Source
    19
    Occupation code
    695
    Human factor
    6
    Environmental factor
    7
    Hazardous substance
    0560
    Task assigned
    2

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.