810.604—Grades and grade requirements for flaxseed.
Grade | Minimum test weight per bushel (pounds) | Maximum limits of damaged kernels— | |
---|---|---|---|
Heat damaged kernels (percent) | Total (percent) | ||
U.S. No. 1 | 49.0 | 0.2 | 10.0 |
U.S. No. 2 | 47.0 | 0.5 | 15.0 |
U.S. Sample grade— | |||
U.S. Sample grade is flaxseed that: | |||
(a) Does not meet the requirements for the grades U.S. Nos. 1 or 2; or | |||
(b) Contains 8 or more stones which have an aggregate weight in excess of 0.2 percent of the sample weight, 2 or more pieces of glass, 3 or more crotalaria seeds (Crotalaria spp.), 2 or more castor beans (Ricinus communis L.), 4 or more particles of an unknown foreign substance(s) or a commonly recognized harmful or toxic substance(s), 10 or more rodent pellets, bird dropping, or equivalent quantity of other animal filth per 11/8 to 11/4 quarts of flaxseed; or | |||
(c) Has musty, sour, or commercially objectionable foreign odor (except smut or garlic odor), or | |||
(d) Is heating or otherwise of distinctly low quality. |