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Sulfur Dioxide (2010) Nonattainment Area Summary

As of October 01, 2015

Number of  Number of  2010
Areas  Counties 

29  38  1,923,568

County subtotals and grand totals may not equal sum of parts. Part counties are only counted one time within groupings. Multi-state nonattainment areas are not considered maintenance areas until all states in the area have been redesignated

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