7 C.F.R. § 810.1404
Grades and grade requirements for sorghum.
Cite as 7 C.F.R. § 810.1404 (2026)
Grading factors
Grades U.S. Nos.
1
1
2
3
4
Minimum pound limits of
Test weight per bushel
57.0
55.0
53.0
51.0
Maximum percent limits of
Damaged kernels:
Heat (part of total)
0.2
0.5
1.0
3.0
Total
2.0
5.0
10.0
15.0
Broken kernels and foreign material:
Foreign material (part of total)
1.0
2.0
3.0
4.0
Total
3.0
6.0
8.0
10.0
Maximum count limits of
Other material:
Animal filth
9
9
9
9
Castor beans
1
1
1
1
Crotalaria seeds
2
2
2
2
Glass
1
1
1
1
Stones
2
7
7
7
7
Unknown foreign substance
3
3
3
3
Cockleburs
7
7
7
7
Total
3
10
10
10
10
U.S. Sample grade is sorghum that:
(a) Does not meet the requirements for U.S. Nos. 1, 2, 3, or 4; or
(b) Has a musty, sour, or commercially objectionable foreign odor (except smut odor); or
(c) Is badly weathered, heating, or distinctly low quality.
1
Sorghum which is distinctly discolored shall not grade higher than U.S. No. 3.
2
Aggregate weight of stones must also exceed 0.2 percent of the sample weight.
3
Includes any combination of animal filth, castor beans, crotalaria seeds, glass, stones, unknown foreign substance or cockleburs.
[72 FR 39733, July 20, 2007]