Grades and grade requirements for barley

Grade Minimum limits of— Maximum Limits of— Test weight per bushel (pounds) Sound barley (percent) Damaged kernels 1 (percent) Heat damaged kernels (percent) Foreign material (percent) Broken kernels (percent) Thin barley (percent) U.S. No. 1 47 97 2 0.2 1 4 10 U.S. No. 2 45 94 4 0.3 2 8 15 U.S. No. 3 43 90 6 0.5 3 12 25 U.S. No. 4 40 85 8 1 4 18 35 U.S. No. 5 36 75 10 3 5 28 75.0 U.S. Sample Grade: U.S. Sample grade shall be barley that: (a) Does not meet the requirements for the grades 1, 2, 3, 4, or 5; or (b) Contains 8 or more stones or any number of 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 caster beans (Ricinus communis L.), 4 or more particles of unknown foreign substance(s) or commonly recognized harmful or toxic substance(s), 8 or more cocklebur (Xanthium spp.) or similar seeds singly or in combination, 10 or more rodent pellets, bird droppings, or equivalent quantity of other animal filth per 11⁄8 to 11⁄4 quarts of barley; or (c) Has a musty, sour, or commercially objectionable foreign odor (except smut or garlic odor); or (d) Is heating or otherwise of distinctly low quality. 1 Includes heat-damaged kernels. Injured-by-frost kernels and injured-by-mold kernels are not considered damaged kernels.

[61 FR 18492, Apr. 26, 1996]