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§ 52.1394 Section 110(a)(2) infrastructure requirements.
(a) On December 22, 2009, David L. Klemp, Bureau Chief, Air Resources Management Bureau, of the Montana Department of Environmental Quality submitted a certification letter which provides the State of Montana's SIP provisions which meet the requirements of CAA Section 110(a)(1) and (2) relevant to the 1997 Ozone NAAQS.