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 #733634

SUFFOCATED,AMMONIUM NITRATE,FLOWING MATERIAL,BURIED,CAVE-IN

Event
SUFFOCATED,AMMONIUM NITRATE,FLOWING MATERIAL,BURIED,CAVE-IN
Linked inspection
No inspection record linked to this accident's victims.
Summary number
733634
Report ID
855610

Event description

TRAPPED BY CAVE-IN OF AMMONIUM NITRATE INSIDE RR HOPPER

Investigation abstract

EMPLOYEES 1 AND 2 WERE WORKING INSIDE A RAILROAD HOPPER CAR, USING AN ELECTRIC J MEMORIAL HOSPITAL. ACKHAMMER AND A SLEDGEHAMMER TO REMOVE HARDENED AMMONUIM NITRATE PRILLS FROM THE SIDES OF THE CAR. THE EMPLOYEES WERE STANDING ON A 2" X 12" WOODEN PLANK LAID A CROSS THE WIDTH OF THE CAR WHEN APPROXIMATELY THREE TONS OF THE HARDENED AMMONIU M NITRATE FELL TO THE BOTTOM OF THE CAR, UPSETTING THE PLANK. EMPLOYEE #1 WAS TH ROWN HEAD FIRST INTO THE FERTILIZER AND WAS SUBSEQUENTLY BURIED FROM HIS HEAD TO HIS KNEES. EMPLOYEE #2 WAS BURIED UP TO HIS KNEES, BUT WAS ABLE TO PULL HIMSELF OUT. HE WAS UNABLE TO PULL EMPLOYEE #1 FROM THE FERTILIZER. EMPLOYEE #1 WAS REM OVED FROM THE FERTILIZER BY RESCUE WORKERS, BUT WAS DEAD ON ARRIVAL AT SHERIDAN

Victims (2)

  1. #1 Fatality Age 46 M

    Nature of injury
    2
    Part of body
    28
    Event type
    2
    Source
    43
    Occupation code
    889
    Human factor
    1
    Environmental factor
    6
    Hazardous substance
    A613
    Task assigned
    2
  2. #2 Non-hospitalized injury Age 26 M

    Nature of injury
    4
    Part of body
    28
    Event type
    8
    Source
    43
    Occupation code
    889
    Human factor
    1
    Environmental factor
    7
    Hazardous substance
    A613
    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.