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

Table 7-5: Utah 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)
Salt Lake Salt Lake City 95 96 97 98 3/22/1999 Not classified Part 181,743
Utah Provo 95 96 97 98 99 00 01 NA Moderate > 12.7ppm Part 118,853
Weber Ogden 95 96 97 98 99 00 5/8/2001 Moderate <= 12.7ppm Part 77,226

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.