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Carbon Monoxide (1971) Maintenance Area Summary

As of July 02, 2014

  Number of 
Classification Areas  Counties 2010
Population

Serious  7  16  23,548,401
Moderate > 12.7ppm  4  19  18,345,975
Moderate <= 12.7ppm  32  64  25,770,701
 
   SUBTOTAL:   43   97   67,665,077
 
Not Classified  34  40  8,145,840
 
   SUBTOTAL:   34   40   8,145,840
 

   GRAND TOTAL:   77  131  75,810,917

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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