What is the primary concern when dealing with a supplied air system?

The primary concern when dealing with a supplied air system is carbon monoxide poisoning. Supplied air systems are designed to provide breathable air to workers in environments where airborne contaminants, such as asbestos fibers, may be present. One of the significant risks associated with such systems is the potential for carbon monoxide, a colorless and odorless gas that can be produced by equipment using combustion or engines. If the supplied air is contaminated with carbon monoxide, it can lead to serious health issues, including unconsciousness or even death.

The proper maintenance and monitoring of supplied air systems are critical to ensure that the air provided is safe. This involves regular checks to ensure that air supply does not become contaminated and that safety alarms and systems are functioning correctly. Addressing this concern is essential in protecting workers' health and ensuring a safe working environment.

Issues like temperature control, equipment malfunction, and supply shortages are important in the context of workplace safety and efficiency, but they are secondary to the immediate health threat posed by carbon monoxide exposure when using a supplied air system.