---
kind: "section"
citation: "40 C.F.R. § 406.20"
title: "40"
number: "406.20"
heading: "Applicability; description of the corn dry milling subcategory."
url: "https://uscodex.org/cfr/40/406.20"
---

# §406.20. Applicability; description of the corn dry milling subcategory.

- (a) The provisions of this subpart are applicable to discharges resulting from the process in which shelled corn is washed and subsequently milled by dry processes into such products as corn meal, grits, flour, oil, and animal feed.
- (b) The provisions of this subpart do not apply to discharges from subsequent manufacturing operations to produce expanded or extruded feed or feed products.

## Notes

### Authority

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

### Source

Source: 39 FR 10513, Mar. 20, 1974, unless otherwise noted.