810.1804—Grades and grade requirements for sunflower seed.
| Grade | Minimum test weight per bushel (pounds) | Maximum limits of— | Damaged Sunflower Seed | Heat Damaged (percent) | Total (Percent) | Dehulled seed (percent) |
|---|---|---|---|---|---|---|
| U.S. No. 1 | 25.0 | 0.5 | 5.0 | 5.0 | ||
| U.S. No. 2 | 25.0 | 1.0 | 10.0 | 5.0 | ||
| U.S. Sample grade— | ||||||
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Code of Federal Regulations
505
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| U.S. Sample grade is sunflower seed 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 0.20 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 droppings, or equivalent quantity of other animal filth per 600 grams of sunflower seed; or | ||||||
| (c) Has a musty, sour, or commercially objectionable foreign odor; or | ||||||
| (d) Is heating or otherwise of distinctly low quality. | ||||||