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40 CFR § 406.90 - Applicability; description of the ready-to-eat cereal subcategory.

---
identifier: "/us/cfr/t40/s406.90"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 406.90 - Applicability; description of the ready-to-eat cereal subcategory."
title_number: 40
title_name: "Protection of Environment"
section_number: "406.90"
section_name: "Applicability; description of the ready-to-eat cereal subcategory."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "N"
subchapter_name: "EFFLUENT GUIDELINES AND STANDARDS"
part_number: "406"
part_name: "GRAIN MILLS POINT SOURCE CATEGORY"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
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  Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217."
regulatory_source: "39 FR 10513, Mar. 20, 1974, unless otherwise noted."
cfr_part: "406"
---

# 406.90 Applicability; description of the ready-to-eat cereal subcategory.

The provisions of this subpart are applicable to discharges resulting from the processing of various grains and other materials (whole grain wheat, rice, corn grits, oat flour, sugar, and minor ingredients) to produce various breakfast cereals normally available for human consumption without cooking.