Maximum limits of--
--------------------------------------
Minimum Damaged Sunflower Seed
Grade test weight -------------------------- Dehulled
per bushel Heat seed
(pounds) Damaged Total (percent)
(percent) (Percent)----------------------------------------------------------------------------------------------------------------U.S. No. 1.................................................. 25.0 0.5 5.0 5.0U.S. No. 2.................................................. 25.0 1.0 10.0 5.0U.S. Sample grade--
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.----------------------------------------------------------------------------------------------------------------