Regulation & law · 09/11/2000Updated: 10/17/2026 · 1 min read

EPA Extends Comment Period for Air Quality Implementation Plans in Washington D.C. Area

The Environmental Protection Agency (EPA) is extending the comment period for proposed rulemaking actions related to air quality implementation plans in the District of Columbia, Maryland, and Virginia, specifically the Metropolitan Washington D.C. Ozone Nonattainment Area, until a later date.