Space-Ray RFPA10C-N6 Installation & Operation Instructions page 11

USA 8-Hr Time weighted average
(OSHA 29 CFR 1926.55 App A)
CO 50 ppm
CO2 5000 ppm
NO2
USA – Ceiling Limit
(Short Term Exposure Limit = 15 minutes)
CO
CO2
NO2 5 ppm
• Ensure that the flow of combustion and ventilation air exchange cannot become obstructed.
• As the building 'tightens up' during the construction phases ventilation may need to be
increased.
Form 41357040
May 2021
Canada 8-hr time weighted average
WorkSafe BC OHS Guidelines Part 5.1
and Ontario Workplaces Reg 833
25 ppm
5000 ppm
3 ppm (Reg 833)
Canada STEL (15 minutes Reg 833/1 hour
WSBC) WorkSafe BC OHS Guidelines Part 5.1
and Ontario Workplaces Reg 833
100 ppm
15000 ppm (WSBC)
30000 ppm (Reg 833)
1.0 ppm (WorkSafeBC)
5.0 ppm (Reg 833)
10