(1) "Cracked corn" is a byproduct of the elevating, transporting, or cleaning of corn. Cracked corn is the entire corn kernel, broken, ground, or fractured. Cracked corn may contain incidental whole kernels of corn. Cracked corn may be "yellow" or "white" if one color constitutes ninety percent or more of the mixture. Cracked corn may not contain more than four percent of admixture (foreign material).

(2) "Corn screenings" is a byproduct of the elevating, transporting, or cleaning of corn. Corn screenings is the entire corn kernel, broken, ground, or fractured. Corn screenings may contain incidental whole kernels of corn. Corn screenings must consist of seventy percent or more of corn, whole and broken, and may contain not more than thirty percent of admixture.

(3) "Mixed grain screenings" is a byproduct of the elevating, transporting, or cleaning of grain. Grain screenings is the entire grain kernel, broken, ground, or fractured. Mixed grain screenings may contain incidental whole kernels of grain. Mixed grain screenings must consist of seventy percent or more of whole, light, and broken kernels of wheat, barley, oats, corn, rye, flaxseed, sorghum, triticale, soybeans, or wild oats in combination. Mixed grain screenings may contain not more than thirty percent of other foreign material.

(4) "Admixture" in cracked corn or corn screenings means foreign material and standardized grains other than corn.

(5) "Other foreign material" in mixed grain screenings means material other than standardized grains under the United States Grain Standards Act and wild oats.

(6) "Test weight per bushel" means the weight per winchester bushel (35.24 liters) or as determined by any device and method which gives equivalent results.

(7) "Moisture" means a percentage ascertained by the air oven method or by any device and method which gives equivalent results.