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 #14538904

RESPIRATORY,VENTILATION,CONFINED SPACE,PPE,HYDROGEN SULFIDE,INHALATION,SLUDGE

Event
RESPIRATORY,VENTILATION,CONFINED SPACE,PPE,HYDROGEN SULFIDE,INHALATION,SLUDGE
Linked inspection
No inspection record linked to this accident's victims.
Summary number
14538904
Report ID
452110

Event description

OVERCOME BY HYDROGEN SULFIDE IN SLUDGE CHAMBER

Investigation abstract

EMPLOYEE #1 OBTAINED A SAMPLE FROM THE SLUDGE DISTRIBUTION CHAMBER. AS HE WAS RE PLACING THE LID, IT CRACKED AND FELL INTO THE CHAMBER. HE TOLD ANOTHER WORKER AN D HIS SUPERVISOR (EMPLOYEE #2). THEY DECIDED TO RETRIEVE THE LID AND LOWERED A L ADDER INTO THE CHAMBER. EMPLOYEE #1 WAS LAST OBSERVED ON THE LADDER, READY TO EN TER THE CHAMBER,AND EMPLOYEE #2 WAS LAST SEEN WATCHING EMPLOYEE #1. THE NEXT TIM E A WORKER PASSED THE CHAMBER, HE FOUND THE TWO EMPLOYEES LYING FACE DOWN IN THE SLUDGE. THEY WERE BOTH DEAD. HYDROGEN SULFIDE WAS PRESENT IN THE CHAMBER. THE A CCIDENT OCCURRED ON AUGUST 24, 1985, BETWEEN 4 AND 4:35 PM. THE CHAMBER WAS 8 BY 9 BY 10 FEET AND CONTAINED A FOOT OF SLUDGE IN THE BOTTOM.

Victims (2)

  1. #1 Fatality Age 32 M

    Nature of injury
    2
    Part of body
    28
    Event type
    8
    Source
    40
    Occupation code
    999
    Human factor
    1
    Environmental factor
    7
    Hazardous substance
    1480
    Task assigned
    2
  2. #2 Fatality Age 25 M

    Nature of injury
    2
    Part of body
    28
    Event type
    8
    Source
    40
    Occupation code
    999
    Human factor
    1
    Environmental factor
    7
    Hazardous substance
    1480
    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.