Air Plan Approval; Illinois; Emissions Statement Rule Certification for the 2008 Ozone Standard

The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) submission from the Illinois Environmental Protection Agency (IEPA) dated May 9, 2017. The submission provides IEPA's certification that its existing emission statement program, titled ``Annual Emissions Report'', remains in effect and satisfies the Clean Air Act (CAA) emissions statement requirement for the Illinois portions of the Chicago-Naperville, Illinois-Indiana-Wisconsin and St. Louis-St. Charles-Farmington, Missouri-Illinois nonattainment areas under the 2008 ozone National Ambient Air Quality Standard (NAAQS). Under the CAA, states' SIPs must require stationary sources in ozone nonattainment areas classified as marginal or above to annually report emissions of Volatile Organic Compounds (VOC) and Oxides of Nitrogen (NOX).