2018-21560: Approval and Promulgation of Implementation Plans; California; South Coast Serious Area Plan for the 2006 PM2.5 NAAQS
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The Environmental Protection Agency (EPA) is proposing to approve state implementation plan (SIP) revisions submitted by California to address Clean Air Act (CAA or "Act") requirements for the 2006 24-hour fine particulate matter (PM<INF>2.5</INF>) national ambient air quality standards (NAAQS or "standards") in the Los Angeles-South Coast air basin (South Coast) Serious PM<INF>2.5</INF> nonattainment area. The EPA is also proposing to approve 2017 and 2019 motor vehicle emissions budgets for transportation conformity purposes and inter-pollutant trading ratios for use in transportation conformity analyses.
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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