# Air Plan Approval; Maryland; Reasonably Available Control Technology for Municipal Waste Combustors

**Action Urgency Score:** 65/100

| Field | Value |
|---|---|
| Agency | Environmental Protection Agency |
| Type | Final rule |
| Action | Final rule. |
| Published | 2026-10-08 |
| Effective | 2026-11-09 |
| Significant | No |
| CFR parts | 40 CFR 52 |
| Summary | The U.S. Environmental Protection Agency (EPA) is approving state implementation plan (SIP) revisions submitted by the State of Maryland. The SIP revisions consist of a regulation that implements statewide reasonably available control technology (RACT) requirements by limiting air emissions of oxides of nitrogen (NO<INF>X</INF>) from municipal waste combustors (MWCs) in Maryland. This action is being taken under the Clean Air Act (CAA). |
| Document number | 2026-20635 |

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

Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/10/08/2026-20635/air-plan-approval-maryland-reasonably-available-control-technology-for-municipal-waste-combustors). Last refreshed: 2026-11-04T09:17:43.641Z.
Data from the Federal Register API; the published Federal Register document is authoritative. Informational only, not legal advice.