01/08/10 A state-by-state breakdown of how select counties would be affected by three proposed ranges for the allowable concentration of ground-level ozone, which is measured here in parts per billion. The figures are based on monitored air quality from 2006-2008 and include only counties with smog monitors. StateWould violate Would violate Would violate 70 ppb 65 ppb60 ppb Ala. Baldwin Ala. Colbert Ala ...

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