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Lead (2008) Nonattainment Area Summary

As of July 02, 2014

Number of  Number of  2010
Population
Areas  Counties 

21  22  9,669,009


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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