§  Classification of defects. Table I Factor Damage Serious damage Very serious damage Ammoniation Not occurring as light speck type, or detracts more than discoloration permitted in the grade Scars are cracked or dark and aggregating more than a circle 5/8 inch (15.9 mm) in diameter Aggregating more than 25 percent of the surface. Bruises Segment walls are collapsed, or rag is ruptured and juice sacs are ruptured Segment walls are collapsed, or rag is ruptured and juice sacs are ruptured Fruit is split open, peel is badly watersoaked, or rag is ruptured and juice sacs are ruptured causing a mushy condition affecting all segments more than 1/2 inch (12.7 mm) at bruised area or the equivalent of this amount, by volume, when affecting more than one area on the fruit. Buckskin Aggregating more than a circle 3/4 inch (19.1 mm) in diameter Aggregating more than 25 percent of the surface Aggregating more than 50 percent of the surface. Caked melanose Aggregating more than a circle 3/8 inch (9.5 mm) in diameter Aggregating more than a circle 5/8 inch (15.9 mm) in diameter Aggregating more than 25 percent of the surface. Creasing Materially weakens the skin, or extends over more than one-third of the surface Seriously weakens the skin, or extends over more than one-half of the surface Very seriously weakens the skin, or is distributed over practically the entire surface. Dryness or mushy condition Affecting all segments more than 1/8 inch (3.2 mm) at stem end, or the equivalent of this amount, by volume, when occurring in other portions of the fruit Affecting all segments more than 1/4 inch (6.4 mm) at stem end, or the equivalent of this amount, by volume, when occurring in other portions of the fruit Affecting all segments more than 1/2 inch (12.7 mm) at stem end, or the equivalent of this amount, by volume, when occurring in other portions of the fruit. Green spots Aggregating more than a circle 1/2 inch (12.7 mm) in diameter Aggregating more than a circle 5/8 inch (15.9 mm) in diameter Aggregating more than 25 percent of the surface. Oil spots Aggregating more than a circle 1/2 inch (12.7 mm) in diameter Aggregating more than a circle 3/4 inch (19.1 mm) in diameter Aggregating more than 25 percent of the surface. Scab Materially detracts from the shape or texture, or aggregating more than a circle 3/8 inch (9.5 mm) in diameter Seriously detracts from the shape or texture, or aggregating more than a circle 5/8 inch (15.9 mm) in diameter Aggregating more than 25 percent of the surface. Scale Aggregating more than a circle 3/8 inch (9.5 mm) in diameter Aggregating more than a circle 5/8 inch (15.9 mm) in diameter Aggregating more than 25 percent of the surface. Scars, Hail, and Thorn scratches [For smooth or fairly smooth superficial scars see § 51.1828.] Deep or rough aggregating more than a circle 1/4 inch (6.4 mm) in diameter; slightly rough with slight depth aggregating more than a circle 3/4 inch (19.1 mm) in diameter; smooth or fairly smooth with slight depth aggregating more than a circle 11/8 inches (28.6 mm) in diameter Deep or rough aggregating more than a circle 1/2 inch (12.7 mm) in diameter; slightly rough with slight depth aggregating more than a circle 11/8 inches (28.6 mm) in diameter; smooth or fairly smooth with slight depth aggregating more than 10 percent of fruit surface Deep or rough or unsightly that appearance is very seriously affected. Skin breakdown Aggregating more than a circle 1/2 inch (12.7 mm) in diameter Aggregating more than a circle 3/4 inch (19.1 mm) in diameter Aggregating more than 25 percent of the surface. Sprayburn Skin is hard and aggregating more than a circle 3/4 inch (19.1 mm) in diameter Skin is hard and aggregating more than a circle 11/4 inches (31.8 mm) in diameter Aggregating more than 25 percent of the surface. Sunburn Skin is flattened, dry, darkened, or hard and the affected area exceeds 25 percent of the surface Skin is hard and affects more than one-third of the surface Aggregating more than 50 percent of the surface. Note: All references to area or aggregate area, or length are based on a tangerine 21/2 inches in diameter (63.5 mm), allowing proportionately greater areas on larger fruit and lesser areas on smaller fruit.