49 CFR Parts 171 and 173
[Docket No. PHMSA–2025–0101 (HM–268M)]
RIN 2137–AG15
Hazardous Materials: Adoption of Department of Transportation Special Permit 21287
ACTION: Notice of proposed rulemaking (NPRM).
SUMMARY: This NPRM proposes to adopt a special permit into the hazardous materials regulations to streamline the transportation of small refrigerating machines that contain limited quantities of certain flammable gases, including common household appliances such as refrigerators, window-mounted airconditioning units, and dehumidifiers.
DATES: Comments must be received on or before September 2, 2025.
READ MORE: https://www.govinfo.gov/content/pkg/FR-2025-07-01/pdf/2025-12121.pdf