Open Table
Grade Maximum limits of—
Paddy kernels Seeds and heat-damaged kernels Red rice and damaged kernels (singly or combined) (percent) Chalky kernels1 2 (percent) Broken kernels removed by a 6 plate or a 612 sieve3 (percent) Other types4 Wellmilled kernels (percent)
Percent Number in 500 grams Total (singly or combined) (number in 500 grams) Heat-damaged kernels (number in 500 grams) Objectionable seeds (number in 500 grams)
U.S. No. 1 20 10 1 2 1.0 2.0 1.0 1.0 1.0
U.S. No. 2 2.0 40 2 10 2.0 4.0 2.0 2.0 3.0
U.S. No. 3 2.0 70 4 20 4.0 6.0 3.0 5.0 10.0
U.S. No. 4 2.0 100 8 35 8.0 8.0 4.0 10.0 10.0
U.S. No. 5 2.0 150 15 50 15.0 15.0 6.0 10.0 10.0
Open Table
U.S. Sample grade U.S. Sample grade shall be brown rice for processing 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 14.5 percent of moisture; (c) is musty, or sour, or heating; (d) has any commercially objectionable foreign odor; (e) contains more than 0.2 percent of related material or more than 0.1 percent of unrelated material; (f) contains two or more live weevils or other live insects; or (g) is otherwise of distinctly low quality.

1For the special grade Parboiled brown rice for processing, see §868.263(a).

2For the special grade Glutinous brown rice for processing, see §868.263(c).

3Plates 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.

4These limits do not apply to the class Mixed Brown Rice for Processing.

[56 FR 55979, Oct. 31, 1991. Redesignated and amended at 60 FR 16364, Mar. 30, 1995]


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