Approval and Promulgation of Air Quality Implementation Plans; Virginia; Prevention of Significant Deterioration; Fine Particulate Matter

The Environmental Protection Agency (EPA) is taking direct final action to approve revisions to the Commonwealth of Virginia State Implementation Plan (SIP) submitted by the Virginia Department of Environmental Quality (VADEQ) on behalf of the Commonwealth on July 22, 2014. VADEQ's submittal revises Virginia's Prevention of Significant Deterioration (PSD) air quality preconstruction permitting program to be consistent with the federal PSD regulations regarding the use of the significant monitoring concentration (SMC) and significant impact levels (SILs) for fine particulate matter (PM2.5) emissions. EPA is approving these revisions in accordance with the requirements of the Clean Air Act (CAA).