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U.S. DEPARTMENT OF TRANSPORTATION

Pipeline and Hazardous Materials Safety Administration

1200 NEW JERSEY AVENUE, SE
WASHINGTON, DC 20590
202-366-4433

HAZMAT Registration Help Desk: 202-366-4109
Hazardous Materials Information Center: 1-800-467-4922

Office of Pipeline Safety Hotline: 202-366-4595 or phmsa.pipelinesafety@dot.gov
Pipeline Safety Concerns or Feedback on our Performance and Conduct: 202-366-4595 or phmsa.pipelinesafety@dot.gov 
Report Waste, Fraud, Abuse or Mismanagement: https://www.oig.dot.gov/hotline

Website Concerns or Feedback: phmsawebsitemanager@dot.gov

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