Which of the following is a critical step in responding to a hazardous materials incident?

Assessing the situation before taking action is vital in responding to a hazardous materials incident. This step allows responders to gather essential information about the nature of the incident, such as identifying the hazardous material involved, evaluating potential risks to human health and the environment, determining the location and extent of the hazard, and understanding the behavior of the material. This initial assessment is crucial because it helps responders make informed decisions about protective measures, the need for evacuation, and the appropriate response strategies to ensure both their safety and the safety of the public.

In hazardous materials incidents, jumping straight into containment efforts without a thorough assessment could lead to dangerous situations, such as exposure to toxic substances or creating further hazards. Recognizing the critical factors at play and prioritizing safety through assessment enables a more effective and coordinated response.