Grades, Grade Requirements, and Grade Designations
Grade | Maximum limits of - | |||||
---|---|---|---|---|---|---|
Seeds, heat-damaged, and paddy kernels (singly or combined) |
Red rice and damaged kernels (singly or combined) (percent) |
Chalky kernels1 3 (percent) | Color requirements1 | Minimum milling requirements2 |
||
Total (number in 500 grams) |
Heat-damaged kernels and objectionable seeds (number in 500 grams) | |||||
U.S. No. 1 | 15 | 5 | 1.0 | 4.0 | White or Creamy | Well milled. |
U.S. No. 2 | 20 | 10 | 2.0 | 6.0 | Slightly gray | Well milled. |
U.S. No. 3 | 35 | 15 | 3.0 | 10.0 | Light gray | Reasonably well milled. |
U.S. No. 4 | 50 | 25 | 5.0 | 15.0 | Gray or slightly gray | Reasonably well milled. |
U.S. No. 5 | 75 | 40 | 10.0 | 20.0 | Dark gray or rosy | Reasonably well milled. |
U.S. Sample grade: | ||||||
U.S. Sample grade shall be milled rice of this class which: (a) Does not meet the requirements for any of the grades from U.S. No. 1 to U.S. No. 5, inclusive; (b) contains more than 15.0 percent of moisture; (c) is musty or sour, or heating; (d) has any commercially objectionable foreign odor; (e) contains more than 0.1 percent of foreign material; (f) contains two or more live or dead weevils or other insects, insect webbing, or insect refuse; or (g) is otherwise of distinctly low quality. |
[67 FR 61251, Sept. 30, 2002]