Air Plan Approval; Missouri; Emissions Inventory for the Missouri Jackson County and Jefferson County 2010 Sulfur Dioxide National Ambient Air Quality Standard Nonattainment Areas

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The Environmental Protection Agency (EPA) is proposing to approve two submissions from the Missouri Department of Natural Resources (MoDNR) revising the State Implementation Plan (SIP) for the State of Missouri. The SIP revision submissions address the Clean Air Act (CAA) section 172 requirement to submit a base year emissions inventory for Missouri's partial Jackson County and partial Jefferson County nonattainment areas of the 2010 1-hour Sulfur Dioxide (SO 2 ) National Ambient Air Quality Standard (NAAQS).