CARBON MONOXIDE IN THE WORKPLACE
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365-BSA-01-IMOT © 2024, Workplace Safety & Prevention Services (WSPS)
1 877 494 WSPS (9777) | 905 614 1400 | WSPS.CA
Continuous samplers take samples at fixed intervals or continuously during the sampling period.
Continuous samplers can detect rapid changes in the concentration of carbon monoxide. These
instruments can provide warning that the concentration has exceeded a preset level.
While samplers have many desirable features, they may suffer from lack of specificity to carbon
monoxide. That is, they may respond to other air pollutants. Samplers are ideally suited to provide
warning to people working in potentially hazardous atmospheres containing carbon monoxide.
Please contact an air sampling equipment supplier for more specific information on these types of
systems. For more information, on carbon monoxide, please call 1 877 494 WSPS (9777).
Controlling Exposure to Carbon Monoxide
The effects of exposure to carbon monoxide, both short-term and long-term, can be prevented. This is
achieved by using the hierarchy of controls.
The hierarchy of controls is a series of methods (ordered from most effective to least effective) used to
eliminate or reduce worker exposure of hazards.
The hierarchy of controls are as follows:
1. Elimination
2. Substitution for less hazardous chemical
3. Engineering controls such as Local exhaust ventilation systems
4. Administrative controls such as developing and training on Safe Work practices and limiting
exposure time
5. Personal Protective Equipment (PPE)
Ideally, the hazard should be eliminated completely; however, this may not be practical. The aim is to limit
or reduce exposure below the legislated standard and keep the exposure as low as possible. This is achieved
through a combination of controls at the source, along the path, and at the worker.
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