§ 51.1303. Application of classification and attainment date provisions in CAA section 181 to areas subject to § 51.1302.
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/us/cfr/t40/s§ 51.1303·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
(a)In accordance with CAA section 181(a)(1), each area designated nonattainment for the 2015 ozone NAAQS shall be classified by operation of law at the time of designation. The classification shall be based on the 8-hour design value for the area at the time of designation, in accordance with Table 1 of this paragraph (a). A state may request a higher or lower classification as provided in paragraphs
(b)and
(c)of this section. For each area classified under this section, the attainment date for the 2015 NAAQS shall be as expeditious as practicable, but not later than the date provided in Table 1 as follows: Table 1 to Paragraph (a)—Classifications and Attainment Dates for 2015 8-Hour Ozone NAAQS (0.070 ppm) for Areas Subject to § 51.1302 Area class 8-hour ozone design value
(ppm)Primary standard attainment date (years after the effective date of designation for 2015 primary NAAQS) Marginalfrom up to *0.071 0.0813 Moderatefrom up to *0.081 0.0936 Seriousfrom up to *0.093 0.1059 Severe-15from up to *0.105 0.11115 Severe-17from up to *0.111 0.16317 Extremeequal to or above0.16320 * But not including.
(b)A state may request, and the Administrator must approve, a higher classification for an area for any reason in accordance with CAA section 181(b)(3).
(c)A state may request, and the Administrator may in the Administrator's discretion approve, a higher or lower classification for an area in accordance with CAA section 181(a)(4).
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§ 51.1303
Application of classification and attainment date provisions in CAA section 181 to areas subject to § 51.1302.
Fed. Reg.×108
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