§ 51.1308. Modeling and attainment demonstration requirements.
272 words·~1 min read·
/us/cfr/t40/s§ 51.1308·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
(a)An area classified Moderate under § 51.1303(a) shall submit an attainment demonstration that provides for such specific reductions in emissions of VOCs and NOX as necessary to attain the primary NAAQS by the applicable attainment date, and such demonstration is due no later than 36 months after the effective date of the area's designation for the 2015 ozone NAAQS.
(b)An area classified Serious or higher under § 51.1303(a) shall be subject to the attainment demonstration requirement applicable for that classification under CAA section 182(c), and such demonstration is due no later than 48 months after the effective date of the area's designation for the 2015 ozone NAAQS.
(c)An attainment demonstration due pursuant to paragraph
(a)or
(b)of this section must meet the requirements of Appendix W of this part and shall include inventory data, modeling results, and emission reduction analyses on which the state has based its projected attainment date; the adequacy of an attainment demonstration shall be demonstrated by means of a photochemical grid model or any other analytical method determined by the Administrator, in the Administrator's discretion, to be at least as effective.
(d)Implementation of control measures. For each nonattainment area for which an attainment demonstration is required pursuant to paragraph
(a)or
(b)of this section, the state must provide for implementation of all control measures needed for attainment as expeditiously as practicable. All control measures in the attainment plan and demonstration must be implemented no later than the beginning of the attainment year ozone season, notwithstanding any alternate RACT and/or RACM implementation deadline requirements in § 51.1312. [83 FR 63033, Dec. 6, 2018]
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§ 51.1308
Modeling and attainment demonstration requirements.
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