www.factorybuysdirect.com
5160946-03A
WARNING: Air Quality Hazard
• Do not use this heater for heating human living quarters.
of CO, CO2, and NO2 considered to be hazardous to health and potentially life threatening.
• Do not use in unventilated areas
• Know the signs of CO and CO2 poisoning
o Headaches, stinging eyes
o Dizziness, disorientation
• Proper ventilation air exchange (OSHA 29 CFR 1926.57) to support combustion and maintain
acceptable air quality shall be provided in accordance with OSHA 29 CFR Part 1926.154,
ANSI A10.10 Safety Requirements for Temporary and Portable Space Heating Devices and
Equipment used in the Construction Industry or the Natural Gas and Propane Installation
Codes CSA B149.1.
o Periodically monitor levels of CO, CO2 and NO2 existing at the construction
site – at the minimum at the start of the shift and after 4 hours.
o Provide ventilation air exchange, either natural or mechanical, as required
to maintain acceptable indoor air quality
USA 8-Hr Time weighted average
(OSHA 29 CFR 1926.55 App A)
Canada 8-hr time weighted average
WorkSafe BC OHS Guidelines Part 5.1
and Ontario Workplaces Reg 833
CO 50 ppm 25 ppm
CO2 5000 ppm 5000 ppm
NO2 3 ppm (Reg 833)
USA – Ceiling Limit
(Short Term Exposure Limit = 15 minutes)
Canada STEL (15 minutes Reg 833/1
hour WSBC) WorkSafe BC OHS
Guidelines Part 5.1 and Ontario
Workplaces Reg 833
CO 100 ppm
CO2 15000 ppm (WSBC) 30000 ppm (Reg
833)
NO2 5 ppm 1.0 ppm (WorkSafeBC)
5.0 ppm (Reg 833)
• As the building ‘tightens up’ during the construction phases ventilation may need to be increased.
VENTILATION