What should be the first step in handling an emergency involving hazardous chemicals?

The first step in handling an emergency involving hazardous chemicals is to identify the chemical involved. Understanding which hazardous substance is present is crucial for addressing the situation effectively. This identification allows responders to assess the specific risks associated with the chemical, including its properties, potential reactions, and necessary safety measures. Knowing the chemical also helps in determining the appropriate response, such as containment strategies, personal protective equipment needed, and decontamination procedures.

In emergencies, prioritizing actions is vital, and identifying the chemical sets the stage for making informed decisions. This step ensures that any subsequent actions, such as evacuation or containment efforts, are executed with a full understanding of the hazards involved.