---
kind: "section"
citation: "40 C.F.R. § 52.833"
title: "40"
number: "52.833"
heading: "Significant deterioration of air quality."
url: "https://uscodex.org/cfr/40/52.833"
---

# §52.833. Significant deterioration of air quality.

- (a) The requirements of sections 160 through 165 of the Clean Air Act are met, except for sources seeking permits to locate on Indian lands in the state of Iowa; and certain sources affected by the stack height rules described in a letter from Iowa dated April 22, 1987.
- (b) **Regulations for preventing significant deterioration of air quality.** The provisions of [§ 52.21](/cfr/40/52.21.md) except paragraph (a)(1) are hereby incorporated and made a part of the applicable State plan for the State of Iowa for sources wishing to locate on Indian lands; and certain sources as identified in Iowa's April 22, 1987, letter.

## Notes

### Amendments

[71 FR 16053, Mar. 30, 2006]

### Authority

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

### Amendments

[40 FR 5521, Feb. 6, 1975]

### Amendments

[71 FR 16053, Mar. 30, 2006]