North Carolina Counties with 8-Hour Ozone Violations 1994-1996

Table 1. The following table shows 13 counties 3-year average of the annual 4th high value for each year equaling 0.085 ppm level or higher. The first column lists the county; the second lists the average values for that county.

County Average value
Caswell .086 ppm
Cumberland .086 ppm
Davie .085 ppm
Forsyth .090 ppm
Granville .088 ppm
Guilford .087 ppm
Haywood .087 ppm
Johnston .091 ppm
Lincoln .088 ppm
Mecklenburg .094 ppm
Rockingham .085 ppm
Rowan .094 ppm
Wake .088 ppm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 2. The following table shows 16 monitored counties which are attaining the .085 ppm standard. The first column lists the county; the second lists the average values for that county.

County Average Value
Alexander .077 ppm
Buncombe .074 ppm
Caldwell .080 ppm
Camden .084 ppm
Chatham .084 ppm
Duplin .072 ppm
Durham .084 ppm
Edgecombe .081 ppm
Franklin .084 ppm
Martin .079 ppm
New Hanover .079 ppm
Northampton .084 ppm
Pitt .081 ppm
Person .080 ppm
Swain .065 ppm
Yancey .082 ppm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 3. The following table shows 12 monitoried counties which are attaining the .085 ppm standard. The first column lists the county; the second lists the average values for that county.

County Average Value
Alexander .080 ppm
Buncombe .075 ppm
Caldwell .080 ppm
Camden .084 ppm
Duplin .068 ppm
Durham .083 ppm
Haywood .084 ppm
Martin .077 ppm
New Hanover .080 ppm
Person .082 ppm
Swain .067 ppm
Yancey .080 ppm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Note:

  • Based on EPA final standard of .085
  • Compliance with new NAAQS will likely be based on 1996-1998 ozone seasons
  • Additional counties may be involved in emission reduction strategies
  • Nonattainment designations may not follow county boundaries