810.1804 Grades and grade requirements for sunflower seed.
§ 810.1804 Grades and grade requirements for sunflower seed.
weight per bushel (pounds)
Maximum limits of
Heat Damaged (percent)
U.S. No. 1
U.S. No. 2
Sample grade -
U.S. Sample grade is sunflower seed that:
Does not meet the requirements for the grades U.S. Nos. 1 or 2;
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
Has a musty, sour, or commercially objectionable foreign odor;
Is heating or otherwise of distinctly low quality.