[Header] PHMSA - U.S. Department of Transportation - Pipeline and Hazardous materials Safety Adminis
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U.S. DOT
Office of Hazardous Materials Safety
1200 New Jersey Ave, SE
East Building, 2nd Floor
Washington, DC 20590
Special Permits
202-366-4535
Approvals
202-366-4512 - Pressure Vessel and Cylinder
202-366-4535- General Approvals
202-366-3987- Energetic Materials
Hazmat Rulemaking Actions
This is a list of links to archived or background information and reauthorization information.
 
Notices
Information Collection, Comment Periods, Document Releases, Public Meetings, etc.
US Captiol
Related Links
The following are other links to important regulatory information.
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