Carbon Monoxide Headquarters
Other Nasty gases, Dr. D. Penney





Carbon Dioxide

Use, Caution, Symptomatology, Exposure Limits:

  • Use - Carbonated beverages, fire protection, propellant in aerosols, cooling (dry ice), fumigant, narcotizing agent

  • Caution - Gas rarely encountered by itself in toxic concentrations; may exacerbate the toxicity of other poisons, eg. carbon monoxide, depleted oxygen

  • Symptoms - headache, dizziness, restlessness and parasthesis, dyspnea, sweating, malaise, increased heart rate and pulse pressure, elevated blood pressure, coma, asphyxia, convulsions

  • Exposure Limits - ACGIH TLV: TWA = 5000 ppm, STEL = 30,000 ppm. OSHA PEL: TWA = 10,000 ppm, STEL = 30,000 ppm

  • See Effects


    ACGIH = American Conference of Governmental Industrial Hygienists
    OSHA = U.S. Occupational Safety and Health Administration
    TWA = time weighted average
    STEL = short-term exposure limit
    TLV = threshold limit value
    PEL = permissible exposure level


    ...... last changed 05/22/00



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