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

What it does

The Environmental Protection Agency (EPA) is proposing to approve state implementation plan (SIP) revisions submitted by the State of Maryland. The SIP revisions consist of regulations that implement 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).

The Environmental Protection Agency's summary, as published in the Federal Register.

What it would change

1 part of Title 40 of the Code of Federal Regulations:

40 CFR 52

What happens next and when

Written comments must be received on or before May 29, 2026.

The agency's dates, word for word.

Check it yourself

• The document in the Federal Register
• Docket EPA-R03-OAR-2025-0267 on Regulations.gov
• Title 40 on eCFR

The record as published

Source: the Federal Register (public domain). The document in the Federal Register