North Carolina Counties with 8-Hour Ozone Violations 1998-2000
Table 1. The following table shows 24 of 32 counties and 34 of 43 sites 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 values for that county.
| County | Average value |
|---|---|
| Alexander | .089 ppm |
| Buncombe | .087 ppm |
| Caldwell | .092 ppm |
| Caswell | .093 ppm |
| Chatham | .086 ppm |
| Cumberland | .093 ppm |
| Davie | .099 ppm |
| Duplin | .087 ppm |
| Durham | .090 ppm |
| Edgecombe | .089 ppm |
| Forsyth | .096 ppm |
| Franklin | .090 ppm |
| Granville | .089 ppm |
| Guilford | .094 ppm |
| Haywood | .094 ppm |
| Johnston | .091 ppm |
| Lenoir | .087 ppm |
| Lincoln | .090 ppm |
| Mecklenburg | .104 ppm |
| Northampton | .085 ppm |
| Pitt | .089 ppm |
| Person | .091 ppm |
| Rowan | .100 ppm |
| Wake | .100 ppm |
Table 2. The following table shows one county with only two years of data (1999-2000) is above the attainment threshold. The first column lists the county; the second lists the average values for that county.
| County | Average Value |
|---|---|
| Union | .090 ppm |
Table 3. The following table shows 7 monitored counties which are attaining the 0.085 ppm standard. The first column lists the county; the second lists the average values for that county.
| County | Average Value |
|---|---|
| Avery | .080 ppm |
| Camden | .080 ppm |
| Martin | .082 ppm |
| New Hanover | .078 ppm |
| Rockingham | .084 ppm |
| Swain | .076 ppm |
| Yancey | .083 ppm |
Table 4. The following table shows 1 monitored county with only 2 years of data (1999-2000) which is below the attainment threshold. The first column lists the county; the second lists the average values for that county.
| County | Average Value |
|---|---|
| Jackson | .084 ppm |
Note:
- Additional counties may be involved in emission reduction strategies
- Nonattainment designations may not follow county boundaries