Classification of regions.

§ 52.2271 Classification of regions.

(a) The Texas plan was evaluated on the basis of the following classifications:

Air quality control region Pollutant
Particulate matter Sulfur oxides Nitrogen dioxide Carbon monoxide Ozone
Abilene-Wichita Falls IntrastateIIIIIIIIIIIIII
Amarillo-Lubbock IntrastateIIIIIIIIIIIIII
Austin-Waco IntrastateIIIIIIIIIIII
Brownsville-Laredo IntrastateIIIIIIIIIIIII
Corpus Christi-Victoria IntrastateIIIIIIIIII
Midland-Odessa-San Angelo IntrastateIIIIIIIIIIIII
Metropolitan Houston-Galveston IntrastateIIIIIIIII
Metropolitan Dallas-Fort Worth IntrastateIIIIIIIIIIII
Metropolitan San Antonio IntrastateIIIIIIIIIIII
Southern Louisiana-Southeast Texas InterstateIIIIIIIIII
El Paso-Las Cruces Alamogordo InterstateIIAIIIII
Shreveport-Texarkana-Tyler InterstateIIIIIIIIIIIIII
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