2017-13190: Approval of Missouri Air Quality Implementation Plans; Determination of Attainment for the 2010 1-Hour Primary Sulfur Dioxide National Ambient Air Quality Standard; Jefferson County Nonattainment Area
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The Environmental Protection Agency (EPA) is proposing to determine that the Jefferson County nonattainment area, in Missouri, has attained the 2010 1-hour primary Sulfur Dioxide (SO<INF>2</INF>) National Ambient Air Quality Standard (NAAQS) per the EPA's Clean Data Policy. This proposed determination of attainment is based upon complete, quality assured, and certified ambient air monitoring data from the 2014-2016 monitoring period, associated dispersion modeling, and supplemental emissions inventory information, which demonstrate that the Jefferson County area attained the 2010 1-hour primary SO<INF>2</INF> NAAQS.
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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