---
kind: "section"
citation: "40 C.F.R. § 52.56"
title: "40"
number: "52.56"
heading: "Control strategy: Ozone."
url: "https://uscodex.org/cfr/40/52.56"
---

# §52.56. Control strategy: Ozone.

- (a) The state implementation plan (SIP) revision submitted on June 21, 2022, addressing Clean Air Act [section 110(a)(2)(D)(i)(I)](/cfr/40/110.md?p=a-2-D-i-I) (prongs 1 and 2) for the 2015 ozone national ambient air quality standards (NAAQS) is disapproved.
- (b) [Reserved]

## Notes

### Amendments

[88 FR 9381, Feb. 13, 2023]

### Authority

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

### Amendments

[40 FR 5521, Feb. 6, 1975]

### Amendments

[88 FR 9381, Feb. 13, 2023]