7 CFR §51.627
“U.S. No. 3” consists of grapefruit which meet the following requirements:
- (a)Basic requirements:
- (1)Mature;
- (2)May be misshapen;
- (3)May be slightly spongy;
- (4)May have rough texture;
- (5)May be poorly colored. Not more than 25 percent of the surface may be of a solid dark green color;
- (6)Not seriously lumpy or cracked; and
- (7)Similar varietal characteristics.
- (b)Free from:
- (1)Decay;
- (2)Unhealed skin breaks; and
- (3)Wormy fruit.
- (c)Free from very serious damage caused by:
- (1)Ammoniation;
- (2)Buckskin;
- (3)Caked melanose;
- (4)Dryness or mushy condition;
- (5)Green spots;
- (6)Hail;
- (7)Oil spots;
- (8)Scab;
- (9)Scale;
- (10)Scars;
- (11)Skin breakdown;
- (12)Sprayburn;
- (13)Sprouting;
- (14)Sunburn;
- (15)Thorn scratches; and
- (16)Other means.
- (d)For tolerances see § 51.628.