---
kind: "section"
citation: "40 C.F.R. § 405.40"
title: "40"
number: "405.40"
heading: "Applicability; description of the butter subcategory."
url: "https://uscodex.org/cfr/40/405.40"
---

# §405.40. Applicability; description of the butter subcategory.


The provisions of this subpart are applicable to discharges resulting from the manufacture of butter, either by churning or continuous process.


## Notes

### Authority

Authority: Secs. 301, 304 (b) and (c), 306 (b) and (c) and 307(c) of the Federal Water Pollution Control Act, as amended (the Act); 33 U.S.C. 1251, 1311, 1314 (b) and (c), 1316 (b) and (c), and 1317(c); 86 Stat. 816, et seq., Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217.

### Source

Source: 39 FR 18597, May 28, 1974, unless otherwise noted.