2017-25045: Approval and Promulgation of Air Quality Implementation Plans; Arkansas; Infrastructure State Implementation Plan Requirements for the National Ambient Air Quality Standards
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The Environmental Protection Agency (EPA) is proposing to approve State Implementation Plan (SIP) revisions submitted by the State of Arkansas to address the requirements of section 110(a)(1) and (2) of the Clean Air Act (CAA or Act) for the 2006 and 2012 fine particulate matter (PM<INF>2.5</INF>) National Ambient Air Quality Standards (NAAQS), 2008 lead (Pb) NAAQS, 2008 ozone (O<INF>3</INF>) NAAQS, 2010 nitrogen dioxide (NO<INF>2</INF>) NAAQS, and the 2010 sulfur dioxide (SO<INF>2</INF>) NAAQS. Under CAA sections 110(a)(1) and 110(a)(2), each state is required to submit a SIP that provides for the implementation, maintenance, and enforcement of a revised primary or secondary NAAQS. CAA section 110(a)(1) and (2) require each state to make a new SIP submission within three years after EPA promulgates a new or revised NAAQS for approval into the existing SIP to assure that the SIP meets the applicable requirements for such new and revised NAAQS. This type of SIP submission is commonly referred to as an "infrastructure SIP or "i-SIP." We propose approval of this action under Section 110 of the Act.
The agency’s own summary, as published.
What this changes
Amends 1 part of the Code of Federal Regulations — the standing rules this notice rewrites.
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