Table 7-5: North Carolina Air Quality Nonattainment Areas for Carbon Monoxide (CO)

Table 7-5: North Carolina Air Quality Nonattainment Areas for Carbon Monoxide (CO)

Excel | CSV

County Area Nonattainment in year Redesignation to attainment Classification Part or whole county Population (2000)
Durham Raleigh-Durham 95 9/18/95 Moderate <= 12.7ppm Whole 223,314
Mecklenburg Charlotte 95 9/18/95 Not classified Whole 695,454
Wake Raleigh-Durham 95 9/18/95 Moderate <= 12.7ppm Whole 627,846

KEY: ppm = parts per million.

NOTES: Nonattainment areas do not meet the national primary or secondary ambient air quality standard for the specified pollutant. Nonattainment areas are classified based on design values: Serious = an area with a design value of 16.5 ppm and above; Moderate = an area with a design value of 9.1 up to 16.4 ppm.

SOURCE: U.S. Environmental Protection Agency, Green Book, available at http://www.epa.gov/oar/oaqps/greenbk/anay.html as of Apr. 20, 2002.