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Sulfur Dioxide (1971) Nonattainment Area Summary

As of October 01, 2015

  Number of 
Designation Areas  Counties 2010

Primary, Secondary  4  4  1,199,238
Primary  5  5  17,885
   SUBTOTAL:   9   9   1,217,123

   GRAND TOTAL:   9  9  1,217,123

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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