Which of the following is NOT an appropriate action in response to a gas leak?

Continuing to work within an area affected by a gas leak is not an appropriate action because it poses significant safety risks to oneself and others. Gas leaks can lead to dangerous situations such as explosions or health hazards from toxic exposure. The primary focus in the event of a gas leak should be to ensure the safety of all individuals in the vicinity by evacuating the area promptly and moving to a safe location.

Evacuating the area is essential to protect everyone from potential harm due to the gas. Calling for help is necessary to alert professionals who can handle the situation safely. Ventilating the area by opening windows could potentially reduce gas concentration but is still unsafe if individuals remain in the area where the leak is present. The safest course of action is always to evacuate and allow trained personnel to manage the situation.