Regulation & law · 11/09/1995Updated: 10/18/2026 · 1 min read
Pennsylvania Air Quality Implementation Plan Disapproved by EPA
Summary
The US Environmental Protection Agency (EPA) has disapproved Pennsylvania's enhanced Inspection and Maintenance State Implementation Plan, triggering a 24-month clock for a Federal Implementation Plan and a 18-month clock for sanctions under the Clean Air Act.
Original source language: Federal Register — All DocumentsOpen original release →