Proposed rule
Air Plan Approval; Pennsylvania; Redesignation Request for the Allegheny County Area for the 2012 Annual Fine Particulate Matter Standard
Environmental Protection Agency
Federal Register summary (shortened to 600 characters)
The Environmental Protection Agency (EPA) is proposing to approve a request from the Commonwealth of Pennsylvania to redesignate the Allegheny County, Pennsylvania nonattainment area (Allegheny County Area) to attainment for the 2012 annual fine particulate matter (PM2.5) national ambient air quality standard (NAAQS or standard). The EPA has already approved, as a revision to the Pennsylvania state implementation plan (SIP), a maintenance plan that demonstrates maintenance of the 2012 annual PM2.5 NAAQS through 2035 in the Allegheny County Area. The redesignation request was submitted by the…
Read on FederalRegister.gov Official PDF (GovInfo)
Ohio Newsline lists this document because the Federal Register's own full-text search finds "Ohio" in it (the title and summary do not name Ohio). Nothing here is legal advice; the official text governs.
- Document number
- 2025-20409
- Published
- Thu, Nov 20, 2025
- Comments close
- Mon, Dec 22, 2025Closed
- First on the line
- Oct 10, 2026, 10:00 PM