(a) The Texas plan was evaluated on the basis of the following classifications: ----------------------------------------------------------------------------------------------------------------
Pollutant
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Air quality control region Particulate Sulfur Nitrogen Carbon
matter oxides dioxide monoxide Ozone----------------------------------------------------------------------------------------------------------------Abilene-Wichita Falls Intrastate.......................... II III III III IIIAmarillo-Lubbock Intrastate............................... II III III III IIIAustin-Waco Intrastate.................................... II III III III IBrownsville-Laredo Intrastate............................. I III III III IIICorpus Christi-Victoria Intrastate........................ I II III III IMidland-Odessa-San Angelo Intrastate...................... II II III III IIIMetropolitan Houston-Galveston Intrastate................. I I III III IMetropolitan Dallas-Fort Worth Intrastate................. II III III III IMetropolitan San Antonio Intrastate....................... II III III III ISouthern Louisiana-Southeast Texas Interstate............. II I III III IEl Paso-Las Cruces Alamogordo Interstate.................. I IA III I IShreveport-Texarkana-Tyler Interstate..................... II III III III III----------------------------------------------------------------------------------------------------------------
(b) The proposed priority classifications for particulate matter and carbon monoxide submitted by the Governor on March 21, 1975 are disapproved.
(c) The revision of section II, classification of regions, submitted by the Texas Air Control Board with the semiannual in 1975 is disapproved. [37 FR 10895, May 31, 1972, as amended at 39 FR 16347, May 8, 1974; 42 FR 20131, Apr. 18, 1977; 42 FR 27894, June 1, 1977; 45 FR 19244, Mar. 25, 1980] Sec. 52.2272 [Reserved]