SIP - ALASKA - 18 AAC 50.015 | Region 10 | US EPA

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SIP - ALASKA - 18 AAC 50.015

18 AAC 50.015. AIR QUALITY DESIGNATIONS, CLASSIFICATIONS, AND CONTROL REGIONS

(a) To identify an area by its air quality, all geographic areas in the state are designated by the federal administrator as "attain­ment," "nonattainment," or "unclassifi­able." An area is designated "attainment" for a particular air pollutant if its air quality meets the ambient air quality standard for that air pollutant. If air quality does not meet the ambient standard for a particular air pollutant, that area is designated "nonattainment" for that air pollutant. If there is insufficient information to classify an area as attainment or nonattainment for a particular air pollutant, the area is designated "unclassifiable" for that air pollutant.

(b) The following areas have been designated by the federal administrator as "nonattain­ment" for the specified air pollutants:

(c) To establish standards for the prevention of significant deterioration of air quality, geographic areas in the state are (d) The following areas are subject to maintenance plan requirements for carbon monoxide, as required under 42 U.S.C. 7505a, and as adopted by reference in 18 AAC 50.030 as part of the state air quality control plan: Editor's note: The nonattainment area boundaries, the air quality control region boundaries, and the Class I area boundaries are depicted on maps in the state air quality control plan adopted by reference in 18 AAC 50.030. Air quality control region and nonattainment area boundaries are described in 40 C.F.R. 81, as revised as of July 1, 2003.

As of Register 154, July 2000, the regulations attorney under AS 44.62.125(b)(6) made a change in Table 1 at 18 AAC 50.015(c)(2), to correct a typographical error.

State effective: 10/1/04; EPA effective: 9/13/07


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