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Code of Federal Regulations (Last Updated: November 8, 2024) |
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Title 7 - Agriculture |
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Subtitle B - Regulations of the Department of Agriculture |
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Chapter I - Agricultural Marketing Service (Standards, Inspections, Marketing Practices), Department of Agriculture |
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SubChapter C - Requirements and Standards Under the Agricultural Marketing Act of 1946 and the Egg Products Inspection Act |
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Part 51 - Fresh Fruits, Vegetables, and Other Products (Inspection, Certification, and Standards) |
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Subpart P - United States Standards for Grades of Potatoes |
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Definitions |
§ 51.1565 - Internal defects.
Latest version.
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§ 51.1565 Internal defects.
Internal defects are defects which cannot be detected without cutting the potato. Some internal defects are listed in Table VII.
Table VII - Internal Defects
Defects Damage Maximum Allowed Serious Damage Maximum Allowed Occurring outside of or not entirely confined to the vascular ring Ingrown Sprouts, Internal Discoloration, Vascular Browning, Fusarium Wilt, Net Necrosis, Other Necrosis, Stem End Browning 5 percent waste 10 percent waste. Internal Black Spot When the spot(s) are darker than the official color chip (POT-CC-2) after removing 5 percent of the total weight of the potato When the spot(s) are darker than the official color chip (POT-CC-2) after removing 10 percent of the total weight of the potato. Occurring entirely within the vascular ring Hollow Heart or Hollow Heart with Discoloration Area affected not to exceed that of a circle 1⁄2 inch in diameter in a potato 21⁄2-inches in diameter or 6 ounces in weight.1 Area affected not to exceed that of a circle 3⁄4 inch in diameter in a potato 21⁄2-inches in diameter or 6 ounces in weight.1 Light Brown Discoloration (Brown Center) Area affected not to exceed that of a circle 1⁄2 inch in diameter in a potato 21⁄2 inches in diameter or 6 ounces in weight.1 Area affected not to exceed that of a circle 3⁄4 inch in diameter in a potato 21⁄2 inches in diameter or 6 ounces in weight.1 Occurring entirely within the vascular ring Internal Brown Spot and Similar Discoloration (Heat Necrosis) Not more than the equivalent of 3 scattered spots 1⁄8 inch in diameter in a potato 21⁄2-inches in diameter or 6 ounces in weight.1 Not more than the equivalent of 6 scattered spots 1⁄8 inch in diameter in a potato 21⁄2-inches in diameter or 6 ounces in weight.1 [35 FR 18258, Dec. 1, 1970. Redesignated at 42 FR 32514, June 27, 1977, and further redesignated at 46 FR 63203, Dec. 31, 1981; amended at 56 FR 7553, Feb. 25, 1991; 56 FR 10302, Mar. 11, 1991; 73 FR 15058, Mar. 21, 2008 ; 73 FR 70586, Nov. 21, 2008; 76 FR 31789, June 2, 2011]