40 C.F.R. § 52.926

Current through September 30, 2024
Section 52.926 - Attainment dates for national standards

The following table presents the latest dates by which the national standards are to be attained. The dates reflect the information presented in Kentucky's plan, except where noted.

Air quality control region Pollutant
Particulate matterSulfur oxides Nitrogen dioxideCarbon monoxide Ozone
Primary Secondary Primary Secondary
Appalachian Intrastate:
a. Bell Countyghbbbbb
b. Perry Countyghbbbbb
c. Whitley Countyghbbbbb
d. Rest of AQCRccbbbbb
Bluegrass Intrastate:
a. Fayette Countyacbbbbg
b. Madison Countyghbbbbb
c. Rest of AQCRacbbbbb
Evansville (Indiana)-Ownsboro-Henderson (Kentucky) Interstate:
a. Daviess Countygiggbbb
b. Henderson Countygiaebbg
c. Webster Countyccggbbb
d. Rest of AQCRccaebbb
Huntington (West Virginia)-Ashland (Kentucky)-Portsmouth-Ironton (Ohio) Interstate:
a. Boyd Countygigbbbg
b. Lawrence Countyghbbbbb
c. Rest of AQCRccbbbbb
Louisville Interstategijjbhh
Metropolitan Cincinnati Interstate:
a. Boone Countyccadbdh
b. Campbell Countyghadbdh
c. Kenton Countyccadbdh
d. Rest of AQCRccadbdc
North Central Kentucky Intrastate:
a. Bullitt Countyghbbbbb
b. Rest of AQCRacbbbbb
Paducah (Kentucky) Cairo (Illinois) Interstate:
a. McCracken Countyghgfbbb
b. Marshall Countycgafbbb
c. Muhlenberg Countyghggbbb
d. Rest of AQCRccafbbb
South Central Kentucky Intrastatebbbbbbb

See § 81.318 of this chapter to identify the specific nonattainment area.

NOTE: Dates or footnotes in italics are prescribed by the Administrator because the plan did not provide a specific date or the dates provided were not acceptable. Sources subject to plan requirements and attainment dates established under section 110(a)(2)(A) prior to the 1977 Clean Air Act Amendments remain obligated to comply with those requirements by the earlier deadlines. The earlier attainment dates are set out at 40 CFR 52.926 (1979 edition).

a. Air quality levels presently below primary standards or area is unclassifiable.
b. Air quality levels presently below secondary standards or area is unclassifiable.
c. April 1975.
d. July 1975.
e. July 1977.
f. July 1978.
g. December 31, 1982.
h. December 31, 1987.
i. 18 month extension for plan submittal granted: attainment date not yet established.
j. January 1, 1985.

40 C.F.R. §52.926

45 FR 85002, Dec. 24, 1980