Open Table
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
Soybeans of other colors:1 1.0 2.0 5.0 10.0
Maximum count limits of:
Other material:
Animal filth 9 9 9 9
Caster beans 1 1 1 1
Crotalaria seeds 2 2 2 2
Glass 0 0 0 0
Stones2 3 3 3 3
Unknown foreign substance 3 3 3 3
Total3 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 smut or garlic odor); or
(c) Are heating or of distinctly low quality.

1Disregard for Mixed soybeans.

2In addition to the maximum count limit, stones must exceed 0.1 percent of the sample weight.

3Includes any combination of animal filth, castor beans, crotalaria seeds, glass, stones, and unknown substances. The weight of stones is not applicable for total other material.

[71 FR 52406, Sept. 6, 2006]


Tried the LawStack mobile app?

Join thousands and try LawStack mobile for FREE today.

  • Carry the law offline, wherever you go.
  • Download CFR, USC, rules, and state law to your mobile device.