---
kind: "section"
citation: "40 C.F.R. § 51.242"
title: "40"
number: "51.242"
heading: "Reserved"
url: "https://uscodex.org/cfr/40/51.242"
---

# §51.242. Reserved



## Notes

### Authority

Authority: Secs. 110, 121, 174(a), 301(a), Clean Air Act, as amended (42 U.S.C. 7410, 7421, 7504, and 7601(a)).

### Source

Source: 44 FR 35179, June 18, 1979, unless otherwise noted.

### Authority

Authority: 23 U.S.C. 101; 42 U.S.C. 7401-7671q.

### Source

Source: 36 FR 22398, Nov. 25, 1971, unless otherwise noted.