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Lead (2008) Nonattainment Area Summary

As of January 30, 2015

Number of  Number of  2010
Population
Areas  Counties 

21  23  9,662,789


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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