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 #14538649

LEAK,RESPIRATORY,SAFETY RELIEF VALVE,AMMONIA,INHALATION,HIGH PRESSURE,TOXIC FUMES

Event
LEAK,RESPIRATORY,SAFETY RELIEF VALVE,AMMONIA,INHALATION,HIGH PRESSURE,TOXIC FUMES
Linked inspection
No inspection record linked to this accident's victims.
Summary number
14538649
Report ID
452110

Event description

EMPLOYEES EXPOSED TO AMMONIA FROM REFRIGERATION SYSTEM

Investigation abstract

AN ELECTRIC CIRCUIT BREAKER, WHICH CONTROLLED A REFRIGERATION SYSTEM, KICKED OFF . EXCESSIVE PRESSURE BUILT UP INSIDE THE COMPRESSORS, CAUSING AN AUTOMATIC SHUT DOWN. ONE MACHINE FAILED TO SHUT DOWN, EVENTUALLY RELEASING AMMONIA INTO THE ATM OSPHERE THROUGH A RUPTURED SAFETY RELIEF VALVE. THE LEAK WAS LOCATED APPROXIMATE LY 50 FEET SOUTHWEST OF THE SECOND FLOOR PROCESSING ROOM'S AIR INTAKE SYSTEM. (L OCATED ON THE PLANT ROOF.) THE PLANT WAS COMPLETELY EVACUATED BY MANAGEMENT.

Victims (4)

  1. #1 Non-hospitalized injury Age 24 M

    Nature of injury
    21
    Part of body
    28
    Event type
    8
    Source
    19
    Occupation code
    999
    Human factor
    9
    Environmental factor
    7
    Hazardous substance
    0170
    Task assigned
    1
  2. #2 Hospitalized Age 31 M

    Nature of injury
    21
    Part of body
    28
    Event type
    8
    Source
    19
    Occupation code
    999
    Human factor
    9
    Environmental factor
    7
    Hazardous substance
    0170
    Task assigned
    1
  3. #3 Non-hospitalized injury Age 36 M

    Nature of injury
    21
    Part of body
    28
    Event type
    8
    Source
    19
    Occupation code
    999
    Human factor
    9
    Environmental factor
    7
    Hazardous substance
    0170
    Task assigned
    1
  4. #4 Non-hospitalized injury Age 27 M

    Nature of injury
    21
    Part of body
    28
    Event type
    8
    Source
    19
    Occupation code
    999
    Human factor
    9
    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.