California Code of Regulations
Title 3 - Food and Agriculture
Division 3 - Economics
Chapter 1 - Fruit and Vegetable Standardization
Subchapter 4 - Fresh Fruits, Nuts and Vegetables
Article 22 - Citrus
Section 1430.30 - Lemons, Serious Damage

(a) Freezing, drying, or sunburn, if 20 percent or more of the pulp or edible portion shows evidence of drying or a mushy condition.

(b) Internal decline, if the core shows gumming for its entire length.

(c) Dirt, sooty mold, rot residues, or other foreign material, if an aggregate area of 10 percent or more of the natural fruit surface color is affected.

(d) Smudge stain or staining other than membranous stain causing pronounced discoloration affecting more than one-third of the fruit surface.

(e) Scars, including those which are caused by insects, if they are deep, rough, or dark and aggregate 25 percent or more of the fruit surface.

(f) Scale, if each of three circular areas one inch in diameter has 15 or more scales.

(g) Greenish or brownish rind oil spots, if they cover an aggregate of 25 percent or more of the fruit surface.

(h) Spotting or pitting, other than petechia, including black pit, septoria, anthracnose, and cold storage injury covering an aggregate area more than 1/2 inch in diameter.

(i) Petechia, if the spots or pits cover an aggregate area of 10 percent or more of the fruit surface.

(j) Deformities, except from bud mite damage, if one-third or more of the fruit surface is malformed, ridgy, or lumpy.

(k) Bud mite damage, if the stylar end shows a definite division, is open, or 20 percent or more of the fruit surface is malformed.

(l) Aging, if 25 percent or more of the fruit surface is dried or hardened.

(m) Red blotch, if covering an aggregate area of 10 percent or more of the fruit surface.