What is the appropriate action if a gas leak is detected in the laboratory?

The appropriate action in the event of a gas leak in the laboratory is to evacuate the area and report the incident immediately. This response prioritizes the safety of everyone in the vicinity, as gas leaks can pose serious health risks, including explosion hazards or toxic exposures.

Evacuating allows for the area to be cleared of personnel, reducing the risk of exposure to harmful gases. Meanwhile, reporting the leak ensures that qualified personnel or emergency responders can take necessary steps to manage and mitigate the situation effectively, such as shutting off gas sources or performing proper ventilation of the area.

Ignoring the leak, attempting to seal it with tape, or simply ventilating the area while resuming work are all insufficient responses that can lead to increased danger, not only to oneself but also to others who may enter the area unaware of the hazard. These actions do not adequately address the immediate risks associated with the presence of gas in the laboratory environment.