# Operating Permit Program Approval; New Hampshire; Revised Definitions

**Action Urgency Score:** 30/100

| Field | Value |
|---|---|
| Agency | Environmental Protection Agency |
| Type | Final rule |
| Action | Final rule. |
| Published | 2026-07-30 |
| Effective | 2026-08-31 |
| Significant | No |
| CFR parts | 40 CFR 70 |
| Summary | The Environmental Protection Agency (EPA) approves revisions to the State of New Hampshire's Clean Air Act (CAA) title V operating permit program. These revisions amend the definitions of "hazardous air pollutant" and "regulated air pollutant" in New Hampshire regulations to remain consistent with Federal permitting and air toxics requirements in accordance with the CAA. |
| Document number | 2026-15363 |

## Why this score
- Final rule.

Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/07/30/2026-15363/operating-permit-program-approval-new-hampshire-revised-definitions). 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.