Code of Federal Regulations Title 7. Agriculture § 7.868.210 Grades and grade requirements for the classes of Rough Rice. (See also § 868.212.)

U.S. No. 1

4

3

1

0.5

U.S. No. 2

7

5

2

1.5

U.S. No. 3

10

8

5

2.5

U.S. No. 4

27

22

15

4.0

U.S. No. 5

37

32

25

6.0

U.S. No. 6

75

75

75

⁴ 15.0

Maximum limits of—

Chalky kernels ¹, ²

In medium

In long

or short

Other

Color

Grade

grain rice

grain rice

types ³

requirements ¹

(Percent)

(Percent)

(Percent)

(minimum)

U.S. No. 1

1.0

2.0

1.0

Shall be white or creamy.

U.S. No. 2

2.0

4.0

2.0

May be slightly gray.

U.S. No. 3

4.0

6.0

3.0

May be light gray.

U.S. No. 4

6.0

8.0

5.0

May be gray or slight rosy.

U.S. No. 5

10.0

10.0

10.0

May be dark gray or rosy.

U.S. No. 6

15.0

15.0

10.0

May be dark gray or rosy.

U.S. Sample grade

U.S. Sample grade shall be rough rice 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 14.0 percent of moisture; (c) is musty, or sour, or heating; (d) has any commercially objectionable foreign odor; or (e) is otherwise of distinctly low quality.