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

Table 7-5: Pennsylvania 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)
Allegheny Pittsburgh 95 96 97 98 99 00 01 NA Not classified Part 335,668
Philadelphia Philadelphia-Camden Co, PA-NJ 95 3/15/1996 Moderate <=12.7ppm Part 669,998

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: 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.