However, symptoms of headache, fatigue and dizziness may show that there is inadequate ventilation in the workplace. The frequency of complaints of these symptoms increases as the carbon dioxide levels increase above 800-1,000 ppm. Regular maintenance, tuning of propane-powered engines and inspection of vehicle exhaust systems for leaks keep the exposure to a minimum. The refueling area should be equipped with a fire extinguisher. When using propane-powered equipment indoors, ensure that there is adequate ventilation in the workplace.
Some jurisdictions recommend specific ventilation rates.
In other provinces, check with the appropriate provincial occupational health and safety officials for recommendations or requirements for propane-powered forklift trucks or other vehicles used indoors. OSH Answers Search Help OSH Answers Search is designed to help you specifically target items about Occupational Health and Safety that are explained in the OSH Answers portion of our site.