The U.S. Department of Transportation
Pipeline and Hazardous Materials Safety Administration
Quickly Identify Hazardous Materials Emergency Procedures
PHMSA's 2020 Emergency Response Guidebook (ERG) provides first responders with a go-to manual to help deal with hazmat transportation accidents during the critical first 30 minutes.
The ERG is now available as an iPhone and Android app:
There are tutorial videos from the PHMSA on YouTube to give you a brief overview on how to use the guidebooks, charts, iPhone and Android apps.
Tutorial Video: How to use the 2020 Emergency Response Guidebook
Tutorial Video: ERG for iPhone
Tutorial Video: ERG for Android
It is strongly recommended for officers to familiarize themselves with the charts, guides, and apps as it is crucial when responding in the first minutes of a HazMat incident.
Please visit the U.S. Department of Transportation - Pipeline and Hazardous Materials Safety Administration for more information.
Below is the DOT Chart 17—Hazard Materials Markings, Labeling, and Placarding Guide, which is also attached as a PDF file.