The ERG is used to quickly identify hazardous materials, find initial response guidance, review isolation and evacuation distances, and support early decision-making during transportation-related hazmat incidents.

The ERG is primarily intended for first responders, but it is also useful for transportation workers, safety teams, and emergency planners involved with hazardous materials.

The ERG is designed for the initial phase of transportation incidents involving hazardous materials or dangerous goods. Its guidance may also support early decision-making in other hazmat situations, but it should be used with training, SDS information, and site-specific procedures.

No. The ERG is a reference tool. It should be used with formal training, emergency response plans, SDS information, and technical guidance during an active incident.