7 CFR 810.404 - Grades and grade requirements for corn.

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Title 7: Agriculture

Subtitle B: Regulations of the Department of Agriculture (Continued)

CHAPTER VIII: GRAIN INSPECTION, PACKERS AND STOCKYARD ADMINISTRATION (FEDERAL GRAIN INSPECTION SERVICE), DEPARTMENT OF AGRICULTURE

PART 810: OFFICIAL UNITED STATES STANDARDS FOR GRAIN

Subpart D: United States Standards for Corn

: Principles Governing the Application of Standards

810.404 - Grades and grade requirements for corn.

U.S. Sample GradeU.S. Sample grade is corn that:(a) Does not meet the requirements for the grades U.S. Nos. 1, 2, 3, 4, or 5; or(b) Contains stones with an aggregate weight in excess of 0.1 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.), 4 or more particles of an unknown foreign substance(s)or a commonly recognized harmful or toxic substance(s), 8 or more cockleburs (Xanthium spp.), or similar seeds singly or in combination, or animal filth in excess of 0.20 percent in 1,000 grams; or(c) Has a musty, sour, or commercially objectionable foreign odor; or(d) Is heating or otherwise of distinctly low quality.

Grade	Minimum test weight per bushel (pounds)	Maximum limits of	Damaged kernels	Heat damaged kernels (percent)	Total (percent)	Broken corn and foreign material (percent)
U.S. No. 1	56.0	0.1	3.0	2.0
U.S. No. 2	54.0	0.2	5.0	3.0
U.S. No. 3	52.0	0.5	7.0	4.0
U.S. No. 4	49.0	1.0	10.0	5.0
U.S. No. 5	46.0	3.0	15.0	7.0

[60 FR 61196, Nov. 29, 1995]

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