North Carolina Counties with 8-Hour Ozone Violations 2004-2006
Table 1. The following table shows two counties with a 3-year average of the annual 4th high value for each year equaling 0.085 ppm level or higher (violation of the 8-hour standard). The first column lists the county; the second lists the average value for that county.
County | Average value |
---|---|
Mecklenburg | 0.088 ppm |
Rowan | 0.085 ppm |
Table 2. The following table shows three counties apparently attaining the standard, but with insufficient data for a proper design value average due to either monitor relocations or inadequate data collection during the 3-year interval. The first column lists the county; the second lists a surrogate average value for that county.
County | Average Value |
---|---|
Guilford | 0.081 ppm |
Jackson | 0.073 ppm |
Yancey | 0.075 ppm |
Table 3. The following table shows 26 monitored counties that are attaining the 0.085 ppm standard. The first column lists the county; the second lists the average value for that county.
County | Average Value |
---|---|
Alexander | 0.070 ppm |
Avery | 0.069 ppm |
Buncombe | 0.074 ppm |
Caldwell | 0.073 ppm |
Caswell | 0.075 ppm |
Chatham | 0.072 ppm |
Cumberland | 0.080 ppm |
Davie | 0.079 ppm |
Durham | 0.076 ppm |
Edgecombe | 0.075 ppm |
Forsyth | 0.080 ppm |
Franklin | 0.077 ppm |
Graham | 0.078 ppm |
Granville | 0.080 ppm |
Haywood | 0.078 ppm |
Johnston | 0.076 ppm |
Lenoir | 0.073 ppm |
Lincoln | 0.079 ppm |
Martin | 0.074 ppm |
New Hanover | 0.072 ppm |
Person | 0.076 ppm |
Pitt | 0.075 ppm |
Rockingham | 0.075 ppm |
Swain | 0.065 ppm |
Union | 0.078 ppm |
Wake | 0.078 ppm |
Note:
- Additional counties may be involved in emission reduction strategies
- Nonattainment designations may not follow county boundaries
- Final data validation is not yet complete