This database allows you to search for accurate information on many hazardous substances. The Code of Federal Regulations Online is the electronic version of the general and permanent rules and regulations published in the Federal Register by the executive departments and agencies of the Federal Government.
Search engines are available to search by title, citation or keyword.
The DOT's Office of Hazardous Materials Safety page gives up to date information on hazardous materials rules and regulations, as well as other information concerning training, safety, and how to find other hazmat resources on the Internet.