7 CFR § 51.2542 - U.S. Artificially Opened.
“U.S. Artificially Opened” consists of artificially opened pistachio nuts in the shell which meet the following requirements:
(a) Basic Requirements:
(1) Free from:
(i) Foreign material;
(ii) Loose kernels;
(iii) Shell pieces;
(iv) Particles and dust; and,
(v) Blanks.
(b) Shells:
(1) Free from:
(i) Non-split shells; and,
(ii) Shells not split on suture.
(2) Free from damage by:
(ii) Light stained;
(iii) Dark stained; and,
(iv) Other External (shell) defects.
(c) Kernels:
(1) Well dried, or, very well dried when specified in connection with the grade.
(2) Free from damage by:
(i) Immature kernels;
(ii) Kernel spotting; and,
(iii) Other Internal (kernel) defects.
(3) Free from serious damage by:
(i) Minor insect or vertebrate injury;
(ii) Insect damage;
(iii) Mold;
(iv) Rancidity;
(v) Decay; and,
(vi) Other Internal (kernel) defects.
(d) The nuts are of a size not less than 30/64 inch in diameter as measured by a round hole screen.
(e) For tolerances, see § 51.2544.