2016-10451: Designation of Areas for Air Quality Planning Purposes; Redesignation Request and Associated Maintenance Plan for Billings, MT 2010 SO2 Nonattainment Area
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The Environmental Protection Agency (EPA) is approving the State of Montana's request to redesignate the Billings sulfur dioxide (SO<INF>2</INF>) nonattainment area to attainment for the 2010 SO<INF>2</INF> primary national ambient air quality standards (NAAQS). The EPA has determined that the Billings SO<INF>2</INF> nonattainment area is attaining the 2010 SO<INF>2</INF> primary NAAQS. In addition, the EPA is approving Montana's maintenance plan which provides for continued attainment of the 2010 SO<INF>2</INF> primary NAAQS in the area. These actions are being taken under the Clean Air Act (CAA).
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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