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) For defects:

(1) U.S. No. 1, U.S. Export No. 1, U.S. No. 1 Boilers and U.S. No. 1 Picklers grades.

(i) Not more than 10 percent of the onions in a lot may be damaged by peeling; and,

(ii) Not more than 5 percent of the onions in a lot may be below the remaining requirements of these grades, but not more than two-fifths of this tolerance, or 2 percent, may be allowed for onions which are affected by decay or wet sunscald (see §51.2839.)

(2) U.S. Commercial and U.S. No. 2 grades.

(i) Not more than 5 percent of the onions in a lot may be below the requirements of these grades, but not more than two-fifths of this tolerance, or 2 percent, may be allowed for onions which are affected by decay or wet sunscald. (See §51.2839.)

(ii) [Reserved]

(b) For off-size:

(1) U.S. No. 1, U.S. No. 1 Boilers, U.S. Commercial, and U.S. No. 2 grades. Not more than 5 percent of the onions in a lot may be below the specified minimum size, and not more than 10 percent may be above any specified maximum size. (See §51.2839.)

(2) U.S. No. 1 Pickler grade. Not more than 10 percent of the onions in a lot may be above the maximum size specified for this grade. (See §51.2839.)