---
kind: "section"
citation: "7 C.F.R. § 810.804"
title: "7"
number: "810.804"
heading: "Grades and grade requirements for mixed grain."
url: "https://uscodex.org/cfr/7/810.804"
---

# §810.804. Grades and grade requirements for mixed grain.

- (a) **U.S. Mixed Grain (grade).** Mixed grain with not more than 15.0 percent of damaged kernels, and not more than 3.0 percent of heat-damaged kernels, and that otherwise does not meet the requirements for the grade U.S. Sample grade Mixed Grain.
- (b) **U.S. Sample grade Mixed Grain.** Mixed grain that:
  - (1) Does not meet the requirements for the grade U.S. Mixed Grain; or
  - (2) Contains more than 16.0 percent moisture; or
  - (3) Contains 8 or more stones that have an aggregate weight in excess of 0.2 percent of the sample weight, 2 or more pieces of glass, 3 or more Crotalaria seeds (Crotalaria spp.), 2 or more castor beans (Ricinus communis L.), 8 more cockleburs (Xanthium spp.) or similar seeds singly or in combination, 4 or more pieces of an unknown foreign substance(s) or a recognized harmful or toxic substance(s), 10 or more rodent pellets, bird droppings, or an equivalent quantity of other animal filth per 1,000 grams of mixed grain; or
  - (4) Is musty, sour, or heating; or
  - (5) Has any commercially objectionable foreign odor except smut or garlic; or
  - (6) **Is otherwise of distinctly low quality.**

## Notes

### Authority

Authority: 7 U.S.C. 71-87k.

### Source

Source: 52 FR 24418, June 30, 1987, unless otherwise noted.