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 #14538276

RESPIRATORY,VAPOR,AMMONIA,GAS LEAK,EVACUATION

Event
RESPIRATORY,VAPOR,AMMONIA,GAS LEAK,EVACUATION
Linked inspection
No inspection record linked to this accident's victims.
Summary number
14538276
Report ID
452110

Event description

EMPLOYEE OVERCOME BY AMMONIA VAPORS

Investigation abstract

THE BOLTS WHICH SECURE THE BOTTOM PLATE OF A STRAINER IN THE HOT AMMONIA DEFROST AMMONIA. LINE FAILED. CONSEQUENTLY, A RELEASE OF PRESSURIZED AMMONIA OCCURRED. THE LINE WAS LOCATED IN ROOM 260. EMPLOYEE #1, WHO WAS UNAWARE OF THE RELEASE AND THE ONG OING EVACUATION, PROCEEDED TO TAKE AN ELEVATOR FROM THE BASEMENT UP TO THE LEAK AREA. IN THE LEAK AREA, EMPLOYEE #1 WAS EXPOSED TO THE AMMONIA VAPOR AND EXPERIE NCED SEVERE RESPIRATORY DISCOMFORT. HE WAS ABLE TO LEAVE THE AREA UNDER HIS OWN POWER BUT COLLAPSED ONCE HE REACHED THE OUTSIDE OF THE BUILDING. ANOTHER RECENT AMMONIA LEAK AT A NEIGHBORING PLANT RESULTED IN A FATALITY. THESE INSTANCES INDI CATE THAT PROPER PRECAUTIONS ARE NOT BEING TAKEN TO PROTECT THOSE WHO WORK WITH

Victim

  1. #1 Hospitalized Age 49 M

    Nature of injury
    2
    Part of body
    28
    Event type
    8
    Source
    9
    Occupation code
    999
    Human factor
    4
    Environmental factor
    7
    Hazardous substance
    0170
    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.