What does the SCBA tag system determine for a firefighting team?

The SCBA (Self-Contained Breathing Apparatus) tag system is an essential tool used in firefighting operations to monitor the status and safety of firefighters operating in hazardous environments. The primary purpose of this system is to track the amount of air left in each firefighter's SCBA tank. This information is crucial because it directly relates to the expected time a firefighter can remain operational in a dangerous situation before needing to exit safely due to depleting air supply.

By monitoring air pressure levels through the tag system, incident commanders can establish a timeline for when firefighters need to evacuate the area to avoid the risks associated with low air supply, such as hypoxia. This is especially important in high-stress firefighting scenarios where visibility and communication may be compromised, making it essential to have a clear understanding of each firefighter's air status.

The focus on air supply levels differentiates this function from other choices, such as assessing individual health, tracking resources, or deciding fire suppression methods, which do not specifically relate to the monitoring and management of air supply within SCBA units.