Table 7-5: Washington Air Quality Nonattainment Areas for Carbon Monoxide (CO),,,,,,
County,Area,Nonattainment in year,Redesignation to attainment,Classification,Part or whole county,Population (2000)
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Clark ,Vancouver, 95 96  ,10/21/96,  Moderate <= 12.7ppm  ,Part,"324,869"
King ,Seattle-Tacoma, 95 96  ,10/11/96,  Moderate > 12.7ppm  ,Part,"1,523,379"
Pierce ,Seattle-Tacoma, 95 96  ,10/11/96,  Moderate > 12.7ppm  ,Part,"614,619"
Snohomish ,Seattle-Tacoma, 95 96  ,10/11/96,  Moderate > 12.7ppm  ,Part,"531,483"
Spokane ,Spokane, 95 96 97 98 99 00 01  ,NA,  Serious  ,Part,"322,691"
Yakima,Yakima, 95 96 97 98 99 00 01  ,NA,  Not Classified  ,Part,"63,658"
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.",,,,,,
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