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Code · CFR · Title 40 — Protection of Environment · Part 51 · § 51.906

§ 51.906. Redesignation to nonattainment following initial designations for the 8-hour NAAQS.

83 words·~1 min read·/us/cfr/t40/s§ 51.906·

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For any area that is initially designated attainment or unclassifiable for the 8-hour NAAQS and that is subsequently redesignated to nonattainment for the 8-hour ozone NAAQS, any absolute, fixed date applicable in connection with the requirements of this part is extended by a period of time equal to the length of time between the effective date of the initial designation for the 8-hour NAAQS and the effective date of redesignation, except as otherwise provided in this subpart. [70 FR 71700, Nov. 29, 2005]
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