CFR > Title 7 - Agriculture > SUBTITLE B—Regulations of the Department of Agriculture > CHAPTER I—AGRICULTURAL MARKETING SERVICE (Standards, Inspections, Marketing Practices), DEPARTMENT OF AGRICULTURE (parts 27 to 206) > SUBCHAPTER C—REGULATIONS AND STANDARDS UNDER THE AGRICULTURAL MARKETING ACT OF 1946 (parts 51 to 75) > PART 51—FRESH FRUITS, VEGETABLES AND OTHER PRODUCTS 1,2 (INSPECTION, CERTIFICATION, AND STANDARDS) > SUBPART —United States Standards for Grades of Pistachio Nuts in the Shell (§51.2540 to §51.2549) > 51.2544—Tolerances.

51.2544—Tolerances.

(a) In order to allow for variations incident to proper grading and handling, the tolerances in Tables I, II, and III of this section are provided.
Table I—Tolerances
[Percent]
Factor U.S. fancy U.S. extra No. 1 U.S. No. 1 U.S. select U.S. artificially opened U.S. non-split
External (shell) Defects (tolerances by weight):
(a) Non-split and not split on suture 2 3 6 10 10 N/A
(1) Non-split included in (a) 1 2 3 4 4 N/A
(b) Adhering hull material 1 1 1 2 2 2
(c) Light stained 7 12 25 N/A N/A N/A
(1) Dark stained, included in (c) 2 3 3 3 3 3
(d) Damage by other means 1 1 2 3 10 N/A
(e) Total External Defects 9 16 N/A N/A N/A N/A
(f) Undersized (Less than 30/64 inch in diameter) 5 5 5 5 4 5
Table II—Tolerances
Factorinternal (kernel) defects(tolerances by weight) U.S. fancy(percent) U.S. extraNo. 1(percent) U.S. No. 1(percent) U.S. select(percent) U.S. artificially opened(percent) U.S. non-split(percent)
(a) Damage 3 6 6 6 6 6
(b) Serious Damage (Minor Insect or Vertebrate Injury, Mold, Rancid, Decay) 3 4 4 4 4 4
(1) Insect Damage, included in (b) 1 2 2 2 2 2
(c) Total Internal Defects 4 8 9 9 9 9
Table III—Tolerances
[Percent]
Factor U.S. fancy U.S. extra No. 1 U.S. No. 1 U.S. select U.S. artificially opened U.S. non-split
Other Defects (tolerances by weight):
(a) Shell pieces and blanks 2 2 2 2 2 2
(1) Blanks, included in (a) 1 1 1 1 1 1
(b) Foreign material (No glass, metal or live insects shall be permitted) .25 .25 .25 .25 .25 .25
(c) Particles and dust .25 .25 .25 .25 .25 .25
(d) Loose kernels 4 5 6 6 6 6

Code of Federal Regulations

[68 FR 50683, Aug. 22, 2003, as amended at 69 FR 76835, Dec. 23, 2004]