# Hazardous Materials: Remove Redundant List of U.S. EPA CERCLA Hazardous Substances

**Action Urgency Score:** 65/100

| Field | Value |
|---|---|
| Agency | Transportation Department; Pipeline and Hazardous Materials Safety Administration |
| Type | Final rule |
| Action | Final rule. |
| Published | 2026-08-04 |
| Effective | 2026-12-02 |
| Significant | No |
| CFR parts | 49 CFR 171, 49 CFR 172, 49 CFR 173 |
| Summary | To improve efficiency and eliminate redundancy, this final rule streamlines the Hazardous Materials Regulations by modifying how hazardous substances are listed. Instead of maintaining a duplicative list, the regulations will now rely on the authoritative, comprehensive list already maintained by the U.S. Environmental Protection Agency. |
| Document number | 2026-15809 |

## Why this score
- Effective date within 30 days.
- Final rule.

Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/08/04/2026-15809/hazardous-materials-remove-redundant-list-of-us-epa-cercla-hazardous-substances). 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.