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Latest Actions

November 1, 2023

Lithium Battery Air Safety Advisory Committee

Please monitor this website for forthcoming meeting details. You may also review the Federal Register Notice for additional information.
October 12, 2023

Upcoming Research and Development (R&D) Events

Pipeline Safety Research and Development Forum 2023
October 31-November 1, 2023 | 8:00 a.m. to 4:30 p.m
Westin Crystal City Reagan National Airport
1800 Richmond Highway, Arlington, Virginia...

October 3, 2023

PHMSA Consent Order and Agreement to Equitrans Midstream Corp.

Today, PHMSA and Equitrans Midstream Corporation (ETRN) entered into a Consent Agreement (hyperlink), requiring ETRN to take corrective measures following informal consultation with the operator. The actions outlined in the Consent Agreement include...

September 22, 2023

PHMSA Explanation of Classification of Thermite Mixtures

This notice is being published to inform the regulated community of how PHMSA has previously reviewed and classified certain thermite formulations and how it has temporarily reclassified certain thermite formulations as Division 4.1 flammable solids...

September 1, 2023

Final Rule: Suspension of HMR Amendments Authorizing Transportation of Liquefied Natural Gas by Rail

PHMSA, in coordination with the Federal Railroad Administration, is amending the Hazardous Materials Regulations to suspend authorization of liquefied natural gas (LNG) transportation in rail tank cars pursuant to a final rule published on July 24,...

August 16, 2023

Emergency Waiver Order #26: Transporting Hazmat in Hawaii

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...

August 11, 2023

PHMSA Notice of Proposed Safety Order to Equitrans Midstream Corp.

Today, PHMSA is issuing a Notice of Proposed Safety Order (NOPSO) to Equitrans Midstream Corporation, the largest partner in the joint venture constructing, and the operator of, the Mountain Valley Pipeline (MVP) in West Virginia and Virginia. Once...

August 11, 2023

PHMSA-FMCSA Enforcement Policy Regarding the Testing and Inspections of Cargo Tank Motor Vehicles

The U.S. Department of Transportation’s Pipeline and Hazardous Materials Safety Administration and Federal Motor Carrier Safety Administration are providing notice that they will not take enforcement action against any person who transports certain U....

August 8, 2023

PHMSA Social Equity Mapping Tools Promote Data Transparency and Environmental Justice

PHMSA Social Equity Mapping Tools allows viewers to visualize pipeline accidents and incidents across the U.S. This effort seeks to promote data transparency by making pipeline incident data easier to access and understand for the public.