An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
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 requalifying the cylinders. More than 10,000...
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-pressurized cylinders for the purpose of venting...
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 warrants issuance of a Waiver of the...
The Department of Transportation LNG Center of Excellence Webinar We invite you to the “LNG Center of Excellence Webinar” on May 17, 2023, from 1 – 2 PM EST hosted by the Pipeline and Hazardous Materials Safety Administration (PHMSA). The Center is being established following a Congressional...
PHMSA is posting these frequently asked questions to provide clarification and guidance on the phase-out of DOT-111 specification tank cars by rail carriers and shippers for ethanol service. See document for full details.
In relation to its final rulemaking entitled “Pipeline Safety: Safety of Gas Transmission Pipelines: Repair Criteria, Integrity Management Improvements, Cathodic Protection, Management of Change, and Other Related Amendments,” PHMSA is providing notice that in certain limited circumstances...
PHMSA New Onshore Gas Transmission Notice of Enforcement Discretion
In relation to its final rulemaking entitled “Pipeline Safety: Safety of Gas Transmission Pipelines: Repair Criteria, Integrity Management Improvements, Cathodic Protection, Management of Change, and Other...
PHMSA issued this safety advisory notice to inform the public and raise awareness of the risks involved in the transportation of electric vehicles (EVs) powered by installed lithium batteries that may have been damaged due to submersion in waters during extreme weather events. PHMSA wishes...
The safety advisory re-emphasizes concerns with the survivability of DOT-111 tank cars and encourages tank car owners and shippers of flammable liquids to voluntarily upgrade their tank car fleets to the DOT-117 specification tank car, the newest and safest available tank car design authorized...
PHMSA's amended Corrective Action Order to TC Oil Pipeline Operations, Inc. following the failure of its 36-inch Keystone pipeline and a release of almost 13,000 barrels of crude oil near Washington, KS. The amendment, based on PHMSA’s safety investigation, adds corrective actions to over...