Which gas is often used as a safety indicator during leak detection?

Methane is often used as a safety indicator during leak detection for several reasons. Firstly, methane is lighter than air, making it likely to rise and accumulate in higher areas if a leak occurs. This characteristic allows for easier detection with appropriate monitoring equipment, which can sense the presence of gas in the air.

Additionally, methane is flammable, and its presence in excessive amounts can indicate not only a leak but also a potential fire risk. Utilizing methane as a safety indicator can therefore assist in early detection of hazardous situations, allowing for timely intervention to prevent accidents.

While other gases like hydrogen can also be used for leak detection, methane is more common in various industrial settings, particularly in the context of natural gas systems. Its properties and the risks associated with it make it a reliable choice for monitoring and ensuring safety in fuel handling environments.