§  Grade and grade requirements for the classes of brown rice for processing. (See also § 868.263.) Grade Maximum limits of— Paddy kernels Percent Number in 500 grams Seeds and heat-damaged kernels Total (singly or combined) (number in 500 grams) Heat-damaged kernels (number in 500 grams) Objectionable seeds (number in 500 grams) Red rice and damaged kernels (singly or combined) (percent) Chalky kernels 1 2 (percent) Broken kernels removed by a 6 plate or a 61/2 sieve 3 (percent) Other types 4 Wellmilled kernels (percent) 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 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. 1 For the special grade Parboiled brown rice for processing, see § 868.263(a). 2 For the special grade Glutinous brown rice for processing, see § 868.263(c). 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 Brown Rice for Processing. [56 FR 55979, Oct. 31, 1991. Redesignated and amended at 60 FR 16364, Mar. 30, 1995]