Table 7-5: Colorado Air Quality Nonattainment Areas for Carbon Monoxide (CO),,,,,,,
County,Area,Nonattainment in year,Redesignation to attainment,Classification,Part or whole county,Population (2000),
Adams ,Denver-Boulder,95 96 97 98 99 00 01  ,1/14/02,  Serious  ,Part,"356,944",
Arapahoe ,Denver-Boulder,95 96 97 98 99 00 01  ,1/14/02,  Serious  ,Part,"483,770",
Boulder ,Denver-Boulder,95 96 97 98 99 00 01  ,1/14/02,  Serious  ,Part,"207,807",
Boulder ,Longmont,95 96 97 98 99  ,11/23/99,  Moderate <= 12.7ppm  ,Part,"33,615",
Denver ,Denver-Boulder,95 96 97 98 99 00 01  ,1/14/02,  Serious  ,Whole,"554,636",
Douglas ,Denver-Boulder,95 96 97 98 99 00 01  ,1/14/02,  Serious  ,Part,"145,517",
El Paso ,Colorado Springs,95 96 97 98 99  ,10/25/99,  Moderate <= 12.7ppm  ,Part,"449,211",
Jefferson ,Denver-Boulder,95 96 97 98 99 00 01  ,1/14/02,  Serious  ,Part,"507,766",
Larimer ,Fort Collins,95 96 97 98 99 00 01  ,NA,  Moderate <= 12.7ppm  ,Part,"143,226",
Teller ,Colorado Springs,95 96 97 98 99  ,10/25/99,  Moderate <= 12.7ppm  ,Part,"13,188",
Weld ,Greeley,95 96 97 98  ,5/10/99,  Not classified  ,Part,"98,827",
Weld ,Longmont,95 96 97 98 99  ,11/23/99,  Moderate <= 12.7ppm  ,Part,"35,681",
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; Mo,,,,,,,
"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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