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 #802249

JANITOR,ASPHYXIATED,CLEANING,NITROUS OXIDE,INATTENTION

Event
JANITOR,ASPHYXIATED,CLEANING,NITROUS OXIDE,INATTENTION
Linked inspection
No inspection record linked to this accident's victims.
Summary number
802249
Report ID
454510

Event description

EMPLOYEE ASPHYXIATED BY NITROUS OXIDE

Investigation abstract

On June 20, 1989, Employee #1 was asphyxiated by nitrous oxide. Employee #1 was working alone and was assigned to clean the operating room where nitrous oxide c ylinders are kept. The employee was found slumped over a cylinder of nitrous oxi de in the nurses' lounge. There was an unbroken seal on the nitrous oxide cylind er and a T-handle wrench used to open cylinder valves was found at Employee #1's feet. The preliminary coroner's report showed high levels of nitrous oxide. Oth er tests showed no presence of alcohol or drugs.

Victim

  1. #1 Fatality Age 19 M

    Nature of injury
    2
    Part of body
    4
    Event type
    8
    Source
    19
    Occupation code
    453
    Human factor
    1
    Environmental factor
    7
    Hazardous substance
    1953
    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.