(a)
The requirements of section 169A of the Clean Air Act are not met, because the plan does not include approvable procedures for protection of visibility in mandatory Class I Federal areas.
(b)
Regulation for visibility monitoring. The provisions of § 52.26 are hereby incorporated and made a part of the applicable plan for the State of Texas.
Code of Federal Regulations
[50 FR 28553, July 12, 1985, as amended at 52 FR 45137, Nov. 24, 1987; 54 FR 7770, Feb. 23, 1989]