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Latest Actions

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...

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-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 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...

July 28, 2023

PHMSA Corrective Action Order to TC Energy Corp re: Columbia Gas Transmission, LLC

PHMSA issued this Corrective Action Order (CAO) to TC Energy Corporation to require its subsidiary, Columbia Gas Transmission, LLC, to take the necessary corrective actions to protect the public, property, and the environment from potential hazards...

July 13, 2023

PHMSA Safety Advisory Notice: Encouraging the Use of Real-Time Train Consist Info in 911 Call Centers

In this Safety Advisory Notice, PHMSA encourages 9-1-1 call centers—including both emergency communications centers and public safety answering points—to download, register, train on, and use available technologies, such as the AskRail® application (...

June 20, 2023

PHMSA Notice of Enforcement Discretion for the Transportation of Over-Pressurized Cylinders

The U.S. Department of Transportation’s (DOT) Pipeline and Hazardous Materials Safety Administration (PHMSA) is providing notice that it will not take enforcement action against trained collecting personnel who transport the below-specified over-...

June 20, 2023

PHMSA Safety Advisory Notice: Cylinders Requalified by BJ MedQuip Repair Service, Inc.

PHMSA is issuing this safety advisory to notify the public that BJ MedQuip Repair Services, Inc., located at 6495 S. Highway 48, Mannford, OK 74044, marked specification cylinders as authorized for hazardous materials transportation without properly...