49 CFR Parts 171, 172, and 173
[Docket No. PHMSA–2025–0093 (HM–268E)]
RIN 2137–AG07
Hazardous Materials: Remove Redundant List of U.S. EPA CERCLA Hazardous Substances
ACTION: Notice of Proposed Rulemaking (NPRM).
SUMMARY: This NPRM proposes to revise the Hazardous Materials Regulations (HMR) to remove redundant pages contained in an Appendix that repeats references already listed in U.S. Environmental Protection Agency (EPA) regulations.
DATES: Comments must be received on or before September 2, 2025.
READ MORE: https://www.govinfo.gov/content/pkg/FR-2025-07-01/pdf/2025-12067.pdf