What document outlines the emergency response for hazardous materials?

The Emergency Response Guidebook (ERG) is the correct answer as it serves as a vital resource for emergency responders addressing incidents involving hazardous materials. This guidebook provides clear and concise information on how to safely respond to hazardous materials emergencies. It includes specific protocols depending on the type of hazardous material involved, offering essential guidance on evacuation distances, firefighting measures, and health risks associated with exposure.

The ERG is designed to be user-friendly and easily accessible, ensuring that first responders can quickly reference the information they need in high-pressure situations. It categorizes materials according to their hazard classes and offers actionable steps that help mitigate risks to both responders and the public.

In contrast, while the other options may relate to specific aspects of hazardous materials management, they do not serve the same encompassing purpose as the ERG. The Transportation Designation Document typically pertains to specific logistics and transportation methods rather than emergency response procedures. The Material Safety Data Sheet (MSDS) provides detailed information about chemical properties, handling instructions, and safety precautions but does not offer broad emergency response protocols. A Dispatch Report generally pertains to the documentation or communication of incidents and resources involved and does not provide direct guidance for emergency response actions.