PHMSA 01-25
Contact: PHMSAPublicAffairs@dot.gov   

WASHINGTON – Today, the U.S. Department of Transportation’s Pipeline and Hazardous Materials Safety...

23-0076 PDF

The following Frequently Asked Questions (FAQ) are based on historical letters of interpretation (LOI) applicable to the Hazardous Materials Regulations (HMR). The LOI have been issued to specific stakeholders and the FAQ are...

Roster and Biographies - Liquid Pipeline Advisory Committee (LPAC)

The individuals listed to the below were appointed by the Secretary of Transportation to serve on the LPAC. The letter in parenthesis shows the group...

Roster and Biographies - Gas Pipeline Advisory Committee (GPAC)

The individuals listed to the below were appointed by the Secretary of Transportation to serve on the GPAC. The letter in parenthesis shows the group represented...

GPAC Committee Member Roster Chart (PDF)

LPAC Biographies (PDF)

In accordance with the provisions of 49 U.S.C. § 5103(c), the Associate Administrator for the Office of Hazardous Materials Safety within the Pipeline and Hazardous Materials Safety Administration (PHMSA) hereby declares that an emergency exists that...

The Onshore Gas Gathering FAQs for Type C and Type R Pipelines include general guidance on gas gathering and specific guidance on requirements applicable to Type C and Type R gathering lines.