Tolerances for defects.
CFR · 2024-01-01 · US · Title 7
In order to allow for variations incident to proper grading and handling in each of the foregoing grades, the following tolerances, by weight, are provided as specified: (a) U.S. No. 1 Halves, U.S. No. 1 Halves and Pieces, and U.S. No. 1 Pieces grades: (1) 0.05 percent for shell, center wall, and foreign material; (2) 3 percent for portions of kernels which are “dark amber” or darker color, or darker than any specified lighter color classification but which are not otherwise defective; and, (3) 3 percent for portions of kernels which fail to meet the remaining requirements of the grade, including therein not more than 0.50 percent for defects causing serious damage: (b) U.S. Commercial Halves, U.S. Commercial Halves and Pieces, and U.S. Commercial Pieces grades: (1) 0.15 percent for shell, center wall, and foreign material; (2) 25 percent for portions of kernels which are “dark amber” or darker color, or darker than any specified lighter color classification, but which are not otherwise defective; and, (3) 8 percent for portions of kernels which fail to meet the remaining requirements of the grade, including therein not more than 1 percent for defects causing serious damage.
official document · source cfr-2024 · id 7:§ 51.1439