North Carolina Counties with 8-Hour Ozone Violations 1997-1999
Table 1. The following table shows 22 of 33 counties and 32 of 45 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 | .086 ppm |
Caldwell | .090 ppm |
Caswell | .094 ppm |
Chatham | .088 ppm |
Cumberland | .092 ppm |
Davie | .098 ppm |
Duplin | .085 ppm |
Durham | .088 ppm |
Edgecombe | .090 ppm |
Forsyth | .097 ppm |
Franklin | .093 ppm |
Granville | .092 ppm |
Guilford | .092 ppm |
Haywood | .094 ppm |
Johnston | .095 ppm |
Lincoln | .087 ppm |
Mecklenburg | .104 ppm |
Northampton | .087 ppm |
Pitt | .093 ppm |
Rockingham | .085 ppm |
Rowan | .099 ppm |
Wake | .101 ppm |
Table 2. The following table shows 4 counties with less than a 3 consecutive year average but with a 4th high .085 or higher. The first column lists the county; the second lists the average values for that county.
County | Average Value |
---|---|
Lenoir | .090 ppm *** |
Person | .095 ppm *** |
Union | .096 ppm * |
Yancey | .085 ppm ** |
Table 3. The following table shows 7 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 |
---|---|
Avery | .082 ppm *** |
Buncombe | .083 ppm |
Camden | .084 ppm |
Jackson | .083 ppm * |
Martin | .082 ppm |
New Hanover | .078 ppm |
Swain | .074 ppm |
* Based on Calendar year 1999, which is not suitable for attainment determination (not 3 consecutive years)
** Based on Calendar years 1996, 1997, and 1999
***Based on Calendar years 1998 and 1999
Note:
- Additional counties may be involved in emission reduction strategies
- Nonattainment designations may not follow county boundaries