Regulation & law · 25/11/2011Updated: 10/17/2026 · 1 min read
EPA Approves Maryland's Air Quality Implementation Plan
Summary
The Environmental Protection Agency (EPA) has approved parts of the State of Maryland's plan to implement and maintain the 1997 8-hour ozone and fine particulate matter (PM 2.5) national ambient air quality standards, as well as the 2006 PM 2.5 NAAQS, in compliance with the Clean Air Act (CAA).
Original source language: Federal Register — All DocumentsOpen original release →