Environmental Protection Agency Docket EPA-R09-OAR-2017-0177 Proposed Rule

2018-02462: Approval and Promulgation of Air Quality State Implementation Plans; California; Interstate Transport Requirements for Ozone, Fine Particulate Matter, and Sulfur Dioxide

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Summary

The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) submission from the State of California regarding certain interstate transport requirements of the Clean Air Act (CAA or "Act"). This submission addresses the 2008 ozone national ambient air quality standards (NAAQS), the 2006 fine particulate matter (PM<INF>2.5</INF>) and 2012 PM<INF>2.5</INF> NAAQS, and the 2010 sulfur dioxide (SO<INF>2</INF>) NAAQS. The interstate transport requirements under the CAA consist of several elements; this proposal pertains only to significant contribution to nonattainment and interference with maintenance of the NAAQS in other states. We are taking comments on this proposal and plan to follow with a final action.

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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