The Emergency Response Guidebook (ERG) was created by the national Department of Transportation, so it is used nationwide. It is studied by emergency personnel to help keep the public safe. It contains an index of hazardous material ID numbers which is why you must label things correctly. What is the purpose of the Emergency Response Guidebook (ERG)?
1) To provide guidelines for emergency response personnel
2) To educate the public about hazardous materials
3) To enforce labeling regulations
4) All of the above