Grades and grade requirements for soybeans.

Grading factors Grades U. S. Nos. 1 2 3 4 Maximum percent limits of: Damaged kernels: Heat (part of total) 0.2 0.5 1.0 3.0 Total 2.0 3.0 5.0 8.0 Foreign material 1.0 2.0 3.0 5.0 Splits 10.0 20.0 30.0 40.0 Maximum count limits of: Other materials: Animal filth 9 9 9 9 Castor beans 1 1 1 1 Crotalaria seeds 2 2 2 2 Glass 0 0 0 0 Stones 1 3 3 3 3 Unknown foreign substance 3 3 3 3 Total 2 10 10 10 10 U.S. Sample grade are soybeans that: (a) Do not meet the requirements for U.S. Nos. 1, 2, 3, or 4; or (b) Have a musty, sour, or commercially objectionable foreign odor (except garlic odor); or (c) Are heating or otherwise of distinctly low quality. 1 In addition to the maximum count limit, stones must exceed 0.1 percent of the sample weight. 2 Includes any combination of animal filth, castor beans, crotalaria seeds, glass, stones, and unknown foreign substances. The weight of stones is not applicable for total other material. [88 FR 45056, July 14, 2023]