How can first responders gain information about hazardous materials on the scene?

First responders can gain critical information about hazardous materials on the scene by using labels, placards, shipping papers, and the Emergency Response Guidebook (ERG). These resources provide vital details about the nature of the hazardous materials, including identification numbers, properties, and recommended response actions. Labels and placards offer immediate visual cues about the type of material and its associated hazards, while shipping papers contain comprehensive information required during transport, including the specific characteristics of the material and emergency contact information. The ERG serves as a key reference tool, offering guidance on how to safely manage incidents involving hazardous materials, including isolation distances, first aid measures, and firefighting techniques.

In contrast, conducting a visual inspection alone may not provide sufficient information to accurately assess the hazards present. Asking nearby residents could yield anecdotal information but lacks the reliability and specificity needed in a hazardous materials context. Consulting environmental policies is also not practical in emergencies, as these documents may not provide immediate actionable information about the hazardous materials currently present on the scene.