Energy & environment · 13/04/2022Updated: 10/17/2026 · 1 min read
EPA Approves State Implementation Plans for Washington, DC-MD-VA Nonattainment Area
Summary
The Environmental Protection Agency (EPA) has approved revisions to state implementation plans submitted by the District of Columbia, Maryland, and Virginia, addressing 2015 ozone national ambient air quality standards for the Washington, DC-MD-VA nonattainment area.
Original source language: Federal Register — Environmental Protection AgencyOpen original release →