Approval and Promulgation of Air Quality Implementation Plans; State of Iowa; 2015 Iowa State Implementation Plan for the 2008 Lead Standard

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The Environmental Protection Agency (EPA) proposes to grant full approval of Iowa's attainment demonstration State Implementation Plan (SIP) for the lead National Ambient Air Quality Standard (NAAQS) nonattainment area of Council Bluffs, Pottawattamie County, Iowa, received by EPA on February 9, 2015. The applicable standard addressed in this action is the lead NAAQS promulgated by EPA in 2008. EPA believes that the SIP submitted by the state satisfies the applicable requirements of the Clean Air Act, and will bring the designated portions of Council Bluffs, Iowa into attainment of the 0.15 microgram per cubic meter (ug/m\3\) lead NAAQS.