Agency

Pipeline and Hazardous Materials Safety Administration

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Rule Mon, Sep 28, 2026

Hazardous Materials: Incorporation of ASME Code Section XII and the National Board Inspection Code

Transportation Department/Pipeline and Hazardous Materials Safety Administration

Federal Register summary PHMSA is amending the Hazardous Materials Regulations (HMR) to incorporate by reference and authorize the use of the 2015 edition of the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code, Section XII--Rules for Construction and Continued Service of Transport Tanks for the construction and continued service of certain specification cargo tank motor vehicles (CTMVs), cryogenic portable tanks, and multi-unit tank car tanks. PHMSA is also amending the HMR to incorporate by reference and authorize the use of the 2015 edition of the National Board of Boiler and…

Effective Wed, Oct 28, 2026 Ohio in the full text FederalRegister.gov

Notice Thu, Sep 10, 2026

Hazardous Materials: California's Reusability Mandate for Propane Cylinders

Transportation Department/Pipeline and Hazardous Materials Safety Administration

Federal Register summary The Federal Hazardous Materials Transportation Act (HMTA), 49 U.S.C. 5101 et seq., preempts California's reusability mandate for propane cylinders in California Public Resources Code, Sections 42395- 42395.2. The reusability mandate imposes localized design and manufacturing requirements on a container that is represented, marked, certified, or sold as qualified for use in the transportation of a hazardous material--specifically, propane--that are not substantively the same as the requirements in the HMR. The reusability mandate is also an obstacle to accomplishing and carrying out the HMTA…

Ohio in the full text FederalRegister.gov

Rule Tue, Aug 4, 2026

Hazardous Materials: Removing Burdensome Rail Reporting Requirements

Transportation Department/Pipeline and Hazardous Materials Safety Administration

Federal Register summary This final rule reduces undue regulatory burdens by eliminating or replacing various rail transportation requirements that are either obsolete, overly burdensome, or conflict with other requirements in the Hazardous Materials Regulations.

Effective Thu, Sep 3, 2026 Ohio in the full text FederalRegister.gov

Notice Wed, Feb 11, 2026

Pipeline Safety: Advisory Bulletin on Protecting Pipeline Integrity During Extreme Winter Weather, Rapid Thaw, and Geohazard Events

Transportation Department/Pipeline and Hazardous Materials Safety Administration

Federal Register summary PHMSA is issuing this advisory bulletin to all owners and operators of gas and hazardous liquid pipeline facilities to highlight safety risks associated with extreme winter weather. This includes impacts from heavy snowfall, ice expansion within pipeline facilities, flooding related to winter thaw, and frost heave resulting from sustained, unusually cold temperatures. This bulletin emphasizes the need for winterizing facilities in anticipation of cold weather events and heightened monitoring of ground movement and external loads to ensure the continued safe operation of the Nation's energy…

Ohio in the full text FederalRegister.gov

Notice Mon, Feb 9, 2026

Pipeline Safety: Request for Special Permit

Transportation Department/Pipeline and Hazardous Materials Safety Administration

Federal Register summary PHMSA is publishing this notice to solicit public comments on a request for special permit received from Rockies Express Pipeline, LLC (REX). The special permit request is seeking relief from compliance with certain requirements in the Federal pipeline safety regulations and to supersede and replace two existing waivers, Docket No. 2006- 23998 and Docket No. 2022-0044. At the conclusion of the 30-day comment period, PHMSA will review the comments received from this notice as part of its evaluation to grant or deny the special permit request.

Ohio in the full text FederalRegister.gov