2018-11580: Approval of Missouri Air Quality Implementation Plans; Infrastructure SIP Requirements for the 2012 Annual Fine Particulate Matter (PM2.5) National Ambient Air Quality Standard Interstate Transport
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The Environmental Protection Agency (EPA) is proposing to approve elements of a State Implementation Plan (SIP) submission from the State of Missouri for the 2012 Annual Fine Particulate Matter (PM<INF>2.5</INF>) National Ambient Air Quality Standard (NAAQS). States are required to have a SIP that provides for the implementation, maintenance, and enforcement of the NAAQS. Whenever EPA promulgates a new or revised NAAQS, states are required to make a SIP submission to establish that they have, or to add, the provisions necessary to address various requirements to address the new or revised NAAQS. These SIPs are commonly referred to as "infrastructure" SIPs. The infrastructure requirements are designed to ensure that the structural components of each state's air quality management program are adequate to meet the state's responsibilities under the CAA. In this action EPA is proposing to approve the interstate transportion obligations of the State's 2012 PM<INF>2.5</INF> NAAQS infrastructure SIP submittal.
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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