Table 7-5: Oregon Air Quality Nonattainment Areas for Carbon Monoxide (CO)
Tuesday, January 3, 2012
Table 7-5: Oregon Air Quality Nonattainment Areas for Carbon Monoxide (CO)
| 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.