---
kind: "section"
citation: "40 C.F.R. § 52.2271"
title: "40"
number: "52.2271"
heading: "Classification of regions."
url: "https://uscodex.org/cfr/40/52.2271"
---

# §52.2271. Classification of regions.

- (a) **The Texas plan was evaluated on the basis of the following classifications—**
- (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.

## Notes

### Amendments

[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]

### Authority

Authority: 42 U.S.C. 7401 et seq.

### Amendments

[40 FR 5521, Feb. 6, 1975]

### Amendments

[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]