SO2 Average Values for 2005-2007 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 83.6 PPB
New Hanover 87.8 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 47.3 PPB
Forsyth 73.0 PPB
Wake 21.7 PPB

Last Modified: Fri June 14 13:55:20 2013