7 CFR §51.759
“U.S. No. 3” consists of grapefruit which meet the following requirements:
- (a)Basic requirements:
- (1)Mature;
- (2)Misshapen;
- (3)Poorly colored;
- (4)Rough texture, not seriously bumpy;
- (5)Similar varietal characteristics; and,
- (6)Slightly spongy.
- (b)Free from:
- (1)Decay;
- (2)Unhealed skin breaks; and,
- (3)Wormy fruit.
- (c)Free from very serious damage caused by:
- (1)Ammoniation;
- (2)Bruises;
- (3)Buckskin;
- (4)Caked melanose;
- (5)Disease;
- (6)Dryness or mushy condition;
- (7)Hail;
- (8)Insects;
- (9)Oil spotting;
- (10)Scab;
- (11)Scale;
- (12)Scars;
- (13)Skin breakdown;
- (14)Sprayburn;
- (15)Sprouting;
- (16)Sunburn; and,
- (17)Other means.
- (d)For tolerances see § 51.760.