SO2 Average Values for 2006-2008 in NC Counties

Table 1. The following table shows 3-year averages for the 99th percentile of daily maximum SO₂concentrations, for two counties that exceeded the national ambient standard of 75 PPB. The first column lists the county, the second lists the average value for that county.

Table 2. The following table shows 3-year averages for the 99th percentile of daily maximum SO₂concentrations for three counties that attained the national ambient standard of 75 PPB. The first column lists the county, the second lists the average value for that county.