Transportation Department, Pipeline and Hazardous Materials Safety Administration
This final rule removes undue regulatory burdens by adopting the provisions of U.S Department of Transportation (DOT) special permit (SP) 21287 to streamline the transportation of refrigerating machines-- including common household appliances like refrigerators, window- mounted air-conditioning units, and dehumidifiers--that contain small quantities of certain low flammability refrigerant gases.
Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Department of Transportation Pipeline and Hazardous Materials Safety Administration 49 CFR Parts 171 and 173 [Docket No. PHMSA-2025-0101 (HM-268M)] RIN 2137-AG15 AGENCY: Pipeline and Hazardous Materials Safety Administration (PHMSA), Department of Transportation (DOT). ACTION: Final rule. SUMMARY: This final rule removes undue regulatory burdens by adopting the provisions of U.S Department of Transportation (DOT) special permit (SP) 21287 to streamline the transportation of refrigerating machines—including common household appliances like refrigerators, window-mounted air-conditioning units, and dehumidifiers—that contain small quantities of certain low flammability refrigerant gases. DATES: Effective date: This final rule is effective August 19, 2026. Incorporation by reference date: The incorporation by reference of certain material listed in this rule is approved by the Director of the Federal Register as of August 19, 2026. The incorporation by reference of certain other material listed in the rule ( printed page 49311) was approved by the Director of the Federal Register as of January 1, 2004. FOR FURTHER INFORMATION CONTACT: Candace Casey, Standards and Rulemaking Division, Pipeline and Hazardous Materials Safety Administration (PHMSA), 1200 New Jersey Avenue SE, Washington, DC 20590, 202-366-8553, candace.casey@dot.gov . I. PHMSA Action A. What action is PHMSA taking in this final rule? PHMSA is adopting the provisions of DOT SP 21287 into the Hazardous Mat…
Other Federal Register documents from the same docket.
Citation: 91 FR 49310
