You arrive at an office building where multiple individuals report headache, nausea, and vomiting. What is your immediate action?

In a scenario where multiple individuals present with headache, nausea, and vomiting, it is critical to consider the possibility of a hazardous materials incident or toxic exposure. The immediate action should be to call for a hazmat team to assess the situation, as they are specifically trained to identify and handle hazardous materials safely.

Requesting a hazmat team ensures that professionals with specialized equipment and training can evaluate the environment for toxic substances or gases that might be causing these symptoms. Their expertise is essential not only for the safety of the victims but also for the responders on scene, as some toxic exposures may pose significant risks.

While other actions, such as evacuating personnel or contacting the fire department, are also important in certain situations, they do not address the potential ongoing hazard or provide the immediate expert assessment needed. Death or serious injury can result from environmental exposures if not handled by trained professionals, emphasizing why contacting a hazmat team is the most appropriate and immediate course of action in this context.