Code of Federal Regulations Title 7. Agriculture § 7.51.1437 Size classifications for halves

(a) The number of halves per pound shall be based upon the weight of half-kernels after all pieces, particles and dust, shell, center wall, and foreign material have been removed.

(b) In lieu of the size classifications in Table I, the size of pecan halves in a lot may be specified in terms of the number of halves or a range of numbers of halves per pound. For example, “400” or “600–700”.

(c) Tolerance for count per pound:  In order to allow for variations incident to proper sizing, a tolerance shall be permitted as follows:

(d) Tolerances for pieces, particles, and dust. In order to allow for variations incident to proper sizing and handling, not more than 15 percent, by weight, of any lot may consist of pieces, particles, and dust:  Provided, That not more than one-third of this amount, or 5 percent, shall be allowed for portions less than one-half of a complete half-kernel, including not more than 1 percent for particles and dust.