March 4th, 2024

Pipeline and Hazardous Materials Safety Administration

49 CFR Parts 107, 171, 172, 173, 178, and 180

[Docket No. PHMSA–2020–0102 (HM–219D)] RIN 2137–AF49

Hazardous Materials: Adoption of Miscellaneous Petitions and Updating Regulatory Requirements

ACTION: Final rule.

SUMMARY: PHMSA amends the Hazardous Materials Regulations (HMR) to update, clarify, improve the safety of, or streamline various regulatory requirements. Specifically, this rulemaking responds to 18 petitions for rulemaking submitted by the regulated community between May 2018 and October 2020 that requests PHMSA address a variety of provisions, including but not limited to those addressing packaging, hazard communication, and the incorporation by reference of certain documents. These revisions maintain or enhance the existing high level of safety under the HMR while providing clarity and appropriate regulatory flexibility in the transport of hazardous materials.

DATES: Effective date: This final rule is effective on April 3, 2024.

Delayed compliance date: March 4, 2025.

READ MORE: https://www.govinfo.gov/content/pkg/FR-2024-03-04/pdf/2024-03290.pdf