Grades, Grade Requirements, and Grade Designations
Grade | Maximum limits of- paddy kernels and seeds | Color requirements1 | Minimum milling requirements2 | |
Total (singly or combined) (percent) | Objectionable seeds (percent) | |||
U.S. No. 13 4 | 0.5 | 0.05 | White or Creamy | Well milled. |
U.S. No. 23 4 | 1.0 | 0.1 | Slightly gray | Well milled. |
U.S. No. 33 4 | 1.5 | 0.2 | Light gray or slightly rosy | Reasonably well milled. |
U.S. No. 43 4 | 3.0 | 0.4 | Gray or rosy | Reasonably well milled. |
U.S. No. 5 | 5.0 | 1.5 | Dark gray or very 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) has a badly damaged or extremely red appearance; (f) contains more than 0.1 percent of foreign material; (g) contains more than 15.0 percent of broken kernels that will pass through a 21/2 sieve; (h) contains two or more live or dead weevils or other insects, insect webbing, or insect refuse; or (h) is otherwise of distinctly low quality. |
1 For the special grade Parboiled milled rice, see § 868.315(c) .
2 For the special grade Undermilled milled rice, see § 868.315(d) .
3 Grades U.S. No. 1 to U.S. No. 4, inclusive, shall contain not more than 3.0 percent of heat-damaged kernels, kernels damaged by heat and/or parboiled kernels in nonparboiled rice.
4 Grades U.S. No. 1 to U.S. No. 4, inclusive, shall contain not more than 1.0 percent of material passing through a 30 sieve. This limit does not apply to the special grade Granulated brewers milled rice.
7 C.F.R. §868.313