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§ 57.204 EPA action on second period NSOs which have already been issued.
(a) EPA may approve a second period NSO issued by a State before the date of publication of these regulations in the Federal Register, without requiring a complete reapplication under this subpart and new State proceedings, provided:
(1) The second period NSO was issued by the State consistent with the procedural requirements of section 119 of the Clean Air Act;