Environmental Protection Agency Docket EPA-R06-OAR-2015-0843 Proposed Rule

2018-05767: Approval and Promulgation of Air Quality Implementation Plans; Texas; Infrastructure and Interstate Transport for the 2012 Fine Particulate Matter Ambient Air Quality Standard

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Summary

Pursuant to the Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is proposing to approve elements of a State Implementation Plan (SIP) submission from the State of Texas for the 2012 primary fine particulate matter (PM<INF>2.5</INF>) National Ambient Air Quality Standard (NAAQS). This submittal addresses how the existing SIP provides for implementation, maintenance, and enforcement of the 2012 PM<INF>2.5</INF> NAAQS (infrastructure SIP or i-SIP). This i-SIP ensures that the Texas SIP is adequate to meet the state's responsibilities under the CAA.

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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