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

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

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County Area Nonattainment in year Redesignation to attainment Classification Part or whole county Population (2000)
Carson City Lake Tahoe 95 96 97 98 99 00 01 NA Not Classified Part 9,815
Clark Las Vegas 95 96 97 98 99 00 01 NA Serious Part 478,766
Douglas Lake Tahoe 95 96 97 98 99 00 01 NA Not Classified Part 9,131
Washoe Lake Tahoe 95 96 97 98 99 00 01 NA Not Classified Part 10,083
Washoe Reno 95 96 97 98 99 00 01 NA Moderate <= 12.7ppm Part 178,638

KEY: NA = not applicable; 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.