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 #821256

VENTILATION,CONFINED SPACE,PPE,EXHAUST FUMES,ASBESTOS REMOVAL,CARBON MONOXIDE,RESPIRATOR

Event
VENTILATION,CONFINED SPACE,PPE,EXHAUST FUMES,ASBESTOS REMOVAL,CARBON MONOXIDE,RESPIRATOR
Linked inspection
No inspection record linked to this accident's victims.
Summary number
821256
Report ID
352450

Event description

EMPLOYEES EXPOSED TO HIGH LEVELS OF CARBON MONOXIDE

Investigation abstract

WHILE ASBESTOS INSULATION WAS BEING REMOVED, SEVERAL HOLES WERE UNCOVERED IN THE EXHAUST DUCT. THESE HOLES PERMITTED EXHAUST FUMES TO RETURN TO THE BOILERS, THU S CAUSING INCOMPLETE COMBUSTION. EMPLOYEES #1-5, WHO WERE WORKING IN THE ENCLOSU RE, WERE EXPOSED TO HIGH LEVELS OF CARBON MONOXIDE. THE EMPLOYEES WERE WEARING W ILLSON HALF-FACE, NEGATIVE PRESSURE RESPIRATORS. THE EMPLOYER ATTEMPTED TO FURTH ER VENTILATE THE ENCLOSURE, BUT THE VENTILATION SYSTEM DID NOT REDUCE THE EXPOSU RE LEVELS.

Victims (5)

  1. #1 Non-hospitalized injury Age 41 M

    Nature of injury
    2
    Part of body
    31
    Event type
    8
    Source
    19
    Occupation code
    593
    Human factor
    17
    Environmental factor
    7
    Hazardous substance
    0560
    Task assigned
    1

  2. #2 Non-hospitalized injury Age 23 M

    Nature of injury
    2
    Part of body
    31
    Event type
    8
    Source
    19
    Occupation code
    593
    Human factor
    17
    Environmental factor
    7
    Hazardous substance
    0560
    Task assigned
    1

  3. #3 Non-hospitalized injury Age 33 M

    Nature of injury
    2
    Part of body
    31
    Event type
    8
    Source
    19
    Occupation code
    593
    Human factor
    17
    Environmental factor
    7
    Hazardous substance
    0560
    Task assigned
    1

  4. #4 Non-hospitalized injury Age 59 M

    Nature of injury
    2
    Part of body
    31
    Event type
    8
    Source
    19
    Occupation code
    593
    Human factor
    17
    Environmental factor
    7
    Hazardous substance
    0560
    Task assigned
    1

  5. #5 Hospitalized Age 26 M

    Nature of injury
    2
    Part of body
    31
    Event type
    8
    Source
    19
    Occupation code
    593
    Human factor
    17
    Environmental factor
    7
    Hazardous substance
    0560
    Task assigned
    1

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.

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