View all text of Subjgrp 172 [§ 868.303 - § 868.314]
§ 868.310 - Grades and grade requirements for the classes Long Grain Milled Rice, Medium Grain Milled Rice, Short Grain Milled Rice, and Mixed Milled Rice. (See also § 868.315.)
Grades, Grade Requirements, and Grade Designations
| Grade | Maximum limits of— | Color
requirements 1 | Minimum
milling requirements 5 | Seeds, heat
damaged, and paddy kernels (singly or combined) | Red rice and
damaged kernels (singly or combined) (percent) | Chalky kernels 1 2 | Broken kernels | Other types 4 | Total (number in 500 grams) | Heat
damaged kernels and objectionable seeds (number in 500 grams) | In long grain
rice (percent) | In
medium or short grain rice (percent) | Total (percent) | Removed by a 5 plate 3 (percent) | Removed by a 6 plate 3 (percent) | Through a 6 sieve 3 (percent) | Whole kernels (percent) | Whole and
broken kernels (percent) | U.S. No. 1 | 2 | 1 | 0.5 | 1.0 | 2.0 | 4.0 | 0.04 | 0.1 | 0.1 | 1.0 | White or creamy | Well Milled. | U.S. No. 2 | 4 | 2 | 1.5 | 2.0 | 4.0 | 7.0 | 0.06 | 0.2 | 0.2 | 2.0 | Slightly gray | Well Milled. | U.S. No. 3 | 7 | 5 | 2.5 | 4.0 | 6.0 | 15.0 | 0.1 | 0.8 | 0.5 | 3.0 | Light gray | Reasonably well milled. | U.S. No. 4 | 20 | 15 | 4.0 | 6.0 | 8.0 | 25.0 | 0.4 | 1.0 | 0.7 | 5.0 | Gray or slightly rosy | Reasonably well milled. | U.S. No. 5 | 30 | 25 | 5 6.0 | 10.0 | 10.0 | 35.0 | 0.7 | 3.0 | 1.0 | 10.0 | Dark gray or rosy | Reasonably well milled. | U.S. No. 6 | 75 | 75 | 6 15.0 | 15.0 | 15.0 | 50.0 | 1.0 | 4.0 | 2.0 | 10.0 | Dark gray or rosy | Reasonably well milled. | U.S. Sample grade: | U.S. Sample grade shall be milled rice of any of these classes which: (a) Does not meet the requirements for any of the grades from U.S. No. 1 to U.S. No. 6, 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; (g) is otherwise of distinctly low quality. |
|---|
1 For the special grade Parboiled milled rice, see § 868.315(c).
2 For the special grade Glutinous milled rice, see § 868.315(e).
3 Plates should be used for southern production rice; and sieves should be used for western production rice, but any device or method which gives equivalent results may be used.
4 These limits do not apply to the class Mixed Milled Rice.
5 For the special grade Undermilled milled rice, see § 868.315(d).
6 Grade U.S. No. 6 shall contain not more than 6.0 percent of damaged kernels.