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: Provided, That any unused portion of this tolerance may be applied to increase the tolerance for kernels which are ``dark amber'' or darker color, or darker than any specified lighter color classification.
(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.
Application of Standards