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

Table 7-5: Oregon 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)
Clackamas Portland 95 96 97 10/2/97 Moderate <= 12.7ppm Part 209,938
Jackson Medford 95 96 97 98 99 00 01 NA Moderate <= 12.7ppm Part 76,767
Josephine Grants Pass 95 96 97 98 99 00 10/30/00 Moderate <= 12.7ppm Part 20,552
Klamath Klamath Falls 95 96 97 98 99 00 01 11/19/01 Moderate <= 12.7ppm Part 19,891
Marion Salem 95 96 97 98 99 00 01 NA Not classified Part 72,889
Multnomah Portland 95 96 97 10/2/97 Moderate <= 12.7ppm Part 565,574
Polk Salem 95 96 97 98 99 00 01 NA Not classified Part 62,380
Washington Portland 95 96 97 10/2/97 Moderate <= 12.7ppm Part 393,103

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.