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Particulate Matter (PM-10) Maintenance Area Summary

As of December 05, 2013
Populations are based on the 2010 census

  Number of 
Classification Areas  Counties Population

Serious  3  13  19,629,817
Moderate  46  51  9,566,052
   SUBTOTAL:   49   63   29,195,869

   GRAND TOTAL:   49  63  29,195,869

County and area subtotals and grand totals may not equal sum of parts. Part counties are only counted one time within groupings. Area totals only include full maintenance areas for a multi-state area.

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