Air Plan Approval; District of Columbia, Maryland, Virginia; Determination of Attainment by the Attainment Date and Clean Data Determination for the Washington, DC-MD-VA Nonattainment Area for the 2015 Ozone National Ambient Air Quality Standards

Summary

The Environmental Protection Agency (EPA) is proposing to determine that the Washington, DC-MD-VA nonattainment area has attained the 2015 8-hour ozone national ambient air quality standards by August 3, 2024, and suspend certain submission requirements for the District of Columbia, Maryland, and Virginia if finalized.