49 CFR Part 171
[Docket No. PHMSA–2025–0089 (HM–268A)]
RIN 2137–AG03
Hazardous Materials: Reducing Burdens on Domestic Aerosol Shippers
ACTION: Notice of proposed rulemaking (NPRM).
SUMMARY: This NPRM proposes to update the definition of an aerosol to eliminate unnecessary regulatory burdens and maintain consistency with current international transportation standards.
DATES: Comments must be received on or before September 2, 2025.
READ MORE: https://www.govinfo.gov/content/pkg/FR-2025-07-01/pdf/2025-12064.pdf