---
kind: "section"
citation: "40 C.F.R. § 52.1523"
title: "40"
number: "52.1523"
heading: "Attainment dates for national standards."
url: "https://uscodex.org/cfr/40/52.1523"
---

# §52.1523. Attainment dates for national standards.


The following table presents the latest dates by which the national standards are to be attained. The dates reflect the information presented in New Hampshire's plan.


## Notes

### Amendments

[45 FR 24876, Apr. 11, 1980, as amended at 50 FR 51250, Dec. 16, 1985; 51 FR 21550, June 13, 1986; 65 FR 71065, Nov. 29, 2000; 67 FR 72575, Dec. 6, 2002]

### Authority

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

### Amendments

[40 FR 5521, Feb. 6, 1975]

### Amendments

[45 FR 24876, Apr. 11, 1980, as amended at 50 FR 51250, Dec. 16, 1985; 51 FR 21550, June 13, 1986; 65 FR 71065, Nov. 29, 2000; 67 FR 72575, Dec. 6, 2002]