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Frequently Asked Questions (FAQs)

The following a groups of Frequently Asked Questions. Each group has a different specific topic focus.

Hazardous Materials Regulations FAQs

The hazardous materials regulations (HMR; 49 CFR Parts 171-180) provide requirements applicable to the commercial transportation of hazardous materials. Here you’ll find some of the more frequently asked questions by topic area:

Packaging & Containers

General Hazardous Materials FAQs

Security Plan FAQs

Training FAQs

Security Training FAQs

General Contact Information

Civil Fines and Penalties Payments

Freedom of Information Act contacts

Incident Reporting

Hazardous Materials Safety Resources

	Hazardous Materials Information Center
	1-800-HMR-4922 Mon to Fri 9 to 5 EST (202-366-4488 for Washington DC residents)

	Hazardous Materials Registration
	Are you required to be registered? If so, how do you go about it?

	Safe Travel Tips
	Tips on how to safely pack and transport batteries, battery-powered devices, and other personal items when traveling.

Order Publications

Training Information - 202-366-2301

Research & Development

Safety Advisory Notices

Other Federal, State, and local links

Hazardous Materials Safety page

All across the nation, Hazardous Materials Enforcement complaints are investigated by:

Special Investigations

The Emergency Response Guidebook (ERG) is for use by first responders at the scene of a transportation incident involving hazardous materials.

Emergency Response Guidebook

DOT and HHS Announce ERG to be Available by Mobile Devices

HMpubsreview: Publications Review Webpage. Review and comment on hazardous materials publications under development or on training materials being revised.