104,543Records 70,659Employers 84,666Hospitalizations 27,563Amputations 2015-01-01 2025-09-30
Safety Incidents OSHA Severe Injury Reports · 2015–2025

OSHA Accident Investigation · Summary #14262729

RESPIRATORY,SCBA,SULFURIC ACID,RESPIRATOR,LIFELINE,CONFINED SPACE,HYDROGEN SULFIDE

Event
RESPIRATORY,SCBA,SULFURIC ACID,RESPIRATOR,LIFELINE,CONFINED SPACE,HYDROGEN SULFIDE
Linked inspection
No inspection record linked to this accident's victims.
Summary number
14262729
Report ID
452110

Event description

ASPHYXIATION OR HYDROGEN SULFIDE POISONING IN CONFINED SPACE

Investigation abstract

THE EMPLOYEES WERE USING SULFURIC ACID TO UNSTOP A GREASE TRAP LOCATED IN A 20 F OOT DEEP MANHOLE. AFTER THEY POURED SEVEN GALLONS INTO THE GREASE TRAP THEY LEFT FOR A SHORT TIME AND THEN REENTERED. THEY COLLAPSED, EITHER FROM A LACK OF OXYG EN OR EXPOSURE TO HYDROGEN SULFIDE. OTHER EMPLOYEES ATTEMPTED TO RESCUE THEM, BU T DIDN'T USE SAFETY GEAR (RESPIRATOR AND LIFELINE). IN THE END THERE WERE FOUR M EN IN THE HOLE, NONE OF WHICH COULD GET OUT. THE RESCUE SQUAD EVENTUALLY CAME WI TH AIR SUPPLIED RESPIRATORS (SCBAS) AND RESCUED ALL THE EMPLOYEES. TWO DIED, ONE REMAINS IN A DEEP COMA AND ONE RECOVERED COMPLETELY.

Victims (4)

  1. #1 Fatality Age 45 M

    Nature of injury
    17
    Part of body
    4
    Event type
    8
    Source
    40
    Occupation code
    585
    Human factor
    16
    Environmental factor
    9
    Hazardous substance
    1480
    Task assigned
    2
  2. #2 Fatality Age 44 M

    Nature of injury
    17
    Part of body
    4
    Event type
    8
    Source
    40
    Occupation code
    999
    Human factor
    16
    Environmental factor
    9
    Hazardous substance
    1480
    Task assigned
    2
  3. #3 Hospitalized Age 45 M

    Nature of injury
    17
    Part of body
    4
    Event type
    8
    Source
    40
    Occupation code
    585
    Human factor
    16
    Environmental factor
    9
    Hazardous substance
    1480
    Task assigned
    2
  4. #4 Hospitalized Age 17 M

    Nature of injury
    17
    Part of body
    4
    Event type
    8
    Source
    40
    Occupation code
    999
    Human factor
    16
    Environmental factor
    9
    Hazardous substance
    1480
    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.