What should responders be warned about when working near flammable gas fires?

• A. Extinguishing flames is a priority
• B. Always use foam as an extinguishing agent
• C. Do not attempt to extinguish unless the fuel source can be shut off
• D. Wear only standard PPE

Answer: (C)

When working near flammable gas fires, it is crucial for responders to understand that attempting to extinguish the flames is not safe unless the fuel source can be shut off. This is because flammable gas fires can sustain themselves as long as the gas is present, and extinguishing the flames without addressing the source can lead to a resurgence of the fire or even an explosion. Shutting off the fuel source eliminates the risk that a flammable atmosphere will continue to exist, making it safer to proceed with extinguishment.

This approach aligns with standard safety protocols in hazardous materials response, which prioritize controlling the hazard before intervening directly with fire suppression. By ensuring that the source of the gas is isolated, responders can effectively manage the situation and minimize the potential for harm to themselves and others in the vicinity.