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 #14503874

UNGUARDED FL OPENING,AMMONIA,EXPLOSION,HIGH PRESSURE,FALL,FLOOR OPENING,CHEMICAL,INATTENTION

Event
UNGUARDED FL OPENING,AMMONIA,EXPLOSION,HIGH PRESSURE,FALL,FLOOR OPENING,CHEMICAL,INATTENTION
Linked inspection
No inspection record linked to this accident's victims.
Summary number
14503874
Report ID
729700

Event description

One killed, one injured following ammonia explosion

Investigation abstract

An oil separator on a two-stage ammonia refrigeration system became overpressuri zed and exploded, killing Employee #1. While looking for Employee #1 after the a ccident, Employee #2 fell into a drain. Ammonia that had been uncovered as a res ult of the explosion had flowed into the drain. Employee #2 was hospitalized.

Victims (2)

  1. #1 Fatality Age 44 M

    Nature of injury
    3
    Part of body
    19
    Event type
    1
    Source
    6
    Occupation code
    999
    Human factor
    6
    Environmental factor
    15
    Hazardous substance
    0170
    Task assigned
    1
  2. #2 Hospitalized Age 33 M

    Nature of injury
    4
    Part of body
    16
    Event type
    2
    Source
    9
    Occupation code
    999
    Human factor
    9
    Environmental factor
    9
    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.