# Hazardous Materials: Adoption of Department of Transportation Special Permit 21287

**Action Urgency Score:** 30/100

| Field | Value |
|---|---|
| Agency | Transportation Department; Pipeline and Hazardous Materials Safety Administration |
| Type | Final rule |
| Action | Final rule. |
| Published | 2026-08-04 |
| Effective | 2026-08-19 |
| Significant | No |
| CFR parts | 49 CFR 171, 49 CFR 173 |
| 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. |
| Document number | 2026-15817 |

## Why this score
- Final rule.

Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/08/04/2026-15817/hazardous-materials-adoption-of-department-of-transportation-special-permit-21287). Last refreshed: 2026-11-04T21:40:49.974Z.
Data from the Federal Register API; the published Federal Register document is authoritative. Informational only, not legal advice.