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§ 52.230 Control strategy and regulations: Nitrogen dioxide.
(a) The requirements of § 52.14(c)(3) of this chapter as of September 22, 1972 (47 FR 1983), are not met since the plan does not provide for the degree of nitrogen oxides emission reduction attainable through application of reasonably available control technology in the Metropolitan Los Angeles Intrastate Region. Therefore, Rule 68.b of the Orange County Air Pollution Control District is disapproved.