2017-13065: Air Plan Approval; Indiana; Redesignation of the Indiana Portion of the Cincinnati-Hamilton, OH-IN-KY Area to Attainment of the 1997 Annual Standard for Fine Particulate Matter
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The Environmental Protection Agency (EPA) is proposing to redesignate the Indiana portion of the Cincinnati-Hamilton, OH-IN-KY, nonattainment area (hereafter, "the Cincinnati-Hamilton area") to attainment for the 1997 fine particulate matter (PM<INF>2.5</INF>) annual national ambient air quality standard (NAAQS or standard). The Indiana portion of the Cincinnati-Hamilton area includes Lawrenceburg Township within Dearborn County. EPA is taking this action because it has determined that the Cincinnati-Hamilton area is attaining the annual PM<INF>2.5</INF> standard. EPA is also proposing several additional related actions. First, EPA is proposing to approve the state's plan for maintaining the 1997 annual PM<INF>2.5</INF> NAAQS through 2027. In addition, EPA is proposing to approve Indiana's updated emission inventory, which includes emission inventories for volatile organic compounds (VOCs) and ammonia. Indiana's maintenance plan submission also includes a budget for the mobile source contribution of PM<INF>2.5</INF> and nitrogen oxides (NO<INF>X</INF>) to the Cincinnati-Hamilton PM<INF>2.5</INF> area for transportation conformity purposes, which EPA is proposing to approve and update. EPA is proposing to take these actions in accordance with the Clean Air Act (CAA) and EPA's State implementation plan (SIP) rules regarding the 1997 PM<INF>2.5</INF> NAAQS.
The agency’s own summary, as published.
What this changes
Amends 2 parts of the Code of Federal Regulations — the standing rules this notice rewrites.
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