Table 7-5: Idaho Air Quality Nonattainment Areas for Carbon Monoxide (CO),,,,,, County,Area,Nonattainment in year,Redesignation to attainment,Classification,Part or whole county,Population (2000) Ada ,Boise-Northern Ada County,95 96 97 98 99 00 01 ,NA, Not classified ,Part,"197,423" KEY: NA = not applicable.,,,,,, 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 parts per million (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.",,,,,, ,,,,,, ,,,,,, ,,,,,,,,, ,,,,,,,,, ,,,,,,,,, ,,,,,,, ,,,,,,, ,,,,,,,,, ,,,,,,,,, ,,,,,,,,, ,,,,,,,,,