SO2 Average Values for 2006-2008 in NC Counties


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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.

County Average 99th Percentile
Mecklenburg 77.7 PPB
New Hanover 108.3 PPB

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.

County Average 99th Percentile
Beaufort 33.7 PPB
Forsyth 52.3 PPB
Wake 19.0 PPB

Last Modified: Fri June 14 13:52:15 2013