Final answer:
The guidebook used by the Department of Transportation, firefighters, police, and industry workers to protect themselves and the public from hazardous materials is called the Emergency Response Guidebook (ERG).
Step-by-step explanation:
The guidebook used by the Department of Transportation, firefighters, police, and industry workers to protect themselves and the public from hazardous materials is called the Emergency Response Guidebook (ERG). The ERG provides guidance on how to respond to incidents involving hazardous materials, including information on identification, isolation, evacuation, and protective actions. It is updated every few years to ensure it contains the most accurate and up-to-date information.