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The Office of Hazardous Materials Safety is the Federal safety authority for ensuring the safe transport of hazardous materials by air, rail, highway, and water.  

About Us 
Information about PHMSA's Office of Hazardous Materials Safety.
Planned events specific to Hazardous Materials general and specific topics.
Contact Us 
How to connect with us for more information, requests, and questions.
Data & Statistics 
Accidents and incidents, registration, and other average, annual, and summary statistics.
Electronic Services 
Services available online including FOIA, Registration, and Fine payments.
Inspection and enforcement ensuring compliance with United States law.
Financial and technical assistance for hazardous materials emergency planning and training.
Hazardous Materials Information Center 
1-800-HMR-4922 Mon to Fri 9 to 5 EST (202-366-4488 for Washington DC residents)
Incident Reporting 
Notification and reporting requirements.
International Standards 
Forums to harmonize United States and international standards and regulations.
PHMSA provides review and interpretation of regulations upon request. View by date, regulation, or search term.
Available files, reports, documents, and publications. Glossary, FAQs, and more.
NTSB Safety Recommendations 
PHMSA is required by law to respond to recommendations issued by NTSB.
Are you required to be registered? If so, how do you go about it?
What are the rules and how do they apply to me?
Risk Management 
Identifying and managing risks of transportation of hazmat in commerce.
Safety Advisory Notices 
Federal Register notices concerning safety issues that pose an imminent hazard to the public.
Enhancing hazardous materials transportation safety and security.
Special Permits & Approvals 
Alternatives to HMR requirements.
Training & Outreach 
Training information, who needs it, and how to obtain it.
Latest News
ERG cover

NOW AVAILABLE - See How To Use the ERG Training Video under "Related Links"

FRAUD ALERT - Bogus Requests for Financial Information

Federal and State funding for State Hazardous Materials Emergency Response Planning and Training Programs
First Phase Draft Report
73 FR 17817 - NPRM
FRA-2006-25169 (HM-246); Hazardous Materials: Improving the Safety of Railroad Tank Car Transportation of Hazardous Materials
PHMSA Press Release 11-07
UPDATE: US DOT Hazmat Safety Rule to Place Limits on Lithium Batteries Carried by Passengers Aboard Aircraft Effective January 1, 2008
PHMSA Press Release 10-07
U.S. DOT Supports National Fire Prevention Week with Hazardous Materials Safety Guidance
PHMSA Publications Review Webpage
Review and comment on hazardous materials publications under development or on training materials being revised.
Latest Events
The following are the next upcoming events focused on Hazardous Materials topics.

All items viewed here and more are in the main Hazmat calendar as well as the all-PHMSA calendar.

May 25, 2009 - Federal Holiday: Memorial Day
Jun 2, 2009 - Hazardous Materials Transportation Safety One-Day Workshop , Pittsburgh, PA
Jun 4, 2009 - Hazardous Materials Transportation Safety One-Day Workshop , Charleston, WV
Jun 8, 2009 - Jun 12, 2009 - International Maritime Organization (IMO) Dangerous Goods, Solid Cargoes and Containers Sub-Committee (DSC Sub-Committee) Editorial and Technical Group Meeting , London, England
Jun 16, 2009 - Jun 17, 2009 - Multimodal Hazardous Materials Transportation Two-Day Seminar , Detroit, MI
Rulemaking Events
The following are related to Hazardous Materials regulatory activities. Note: At this time, these events are not reflected in the main PHMSA calendar.
The following are Rulemaking actions that you can review and comment on. If there are no items listed, there are no currently open comment periods.
Travel Resources
Tips on how to safely pack and transport batteries, battery-powered devices, and other personal items when traveling.

Safe Travel: Safety Tips for Travelers
HMpubsreview: Publications Review Webpage.  Review and comment on hazardous materials publications under development or on training materials being revised.

Freedom of Information Act
US Flag
FOIA established the public's right to obtain information from Federal agencies.
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?
Investigator badge
All across the nation, Hazardous Materials Enforcement complaints are investigated by:
Emergency Response Guidebook 2008 cover

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