General Emergency Response Guidebook (ERG) Originally published on PHMSA Quickly Identify Hazardous Materials Emergency Procedures PHMSA’s 2020 Emergency Response Guidebook provides first responders with a go-to manual to help deal with hazmat transportation accidents during the critical first 30 minutes. DOT’s goal is to place an ERG in every public emergency service vehicle nationwide. To date, more than16 million free […] Written by Staff Writer November 2, 2020November 2, 2020