Maximum limits of--
--------------------------------------------------------------------------------
Seeds and heat-damaged kernels Chalky kernels \1 2\
------------------------------------ Red rice ----------------------
Total Heat-damaged and
Grade (singly kernels and Heat- damaged In medium Other Color requirements \1\
or objectionable damaged kernels In long or short types \3\ (minimum)
combined) seeds (singly kernels (singly grain grain (Percent)
(Number or combined) (Number or rice rice
in 500 (Number in in 500 combined) (Percent) (Percent)
grams) 500 grams) grams) (Percent)--------------------------------------------------------------------------------------------------------------------------------------------------------U.S. No. 1................................. 4 3 1 0.5 1.0 2.0 1.0 Shall be white or creamy.U.S. No. 2................................. 7 5 2 1.5 2.0 4.0 2.0 May be slightly gray.U.S. No. 3................................. 10 8 5 2.5 4.0 6.0 3.0 May be light gray.U.S. No. 4................................. 27 22 15 4.0 6.0 8.0 5.0 May be gray or slight rosy.U.S. No. 5................................. 37 32 25 6.0 10.0 10.0 10.0 May be dark gray or rosy.U.S. No. 6................................. 75 75 75 \4\ 15.0 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.--------------------------------------------------------------------------------------------------------------------------------------------------------\1\ For the special grade Parboiled rough rice, see Sec. 868.212(b).\2\ For the special grade Glutinous rough rice, see Sec. 868.212(d).\3\ These limits do not apply to the class Mixed Rough Rice.\4\ Rice in grade U.S. No. 6 shall contain not more than 6.0 percent of damaged kernels. [56 FR 55978, Oct. 31, 1991. Redesignated and amended at 60 FR 16364, Mar. 30, 1995]