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Sulfur Dioxide Maintenance Area Summary

As of November 13, 2009

    Number of  Population
Classification   Areas   Counties    
Primary, Secondary   8   8   248,505
Primary   31   37   8,271,642
Secondary   6   6   255,303
 
   SUBTOTAL:   45   48   8,775,450
 
   GRAND TOTAL:   45   48   8,775,450

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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