“U.S. No. 3” consists of grapefruit which meet the following requirements:
Basic requirements:
Mature;
Similar varietal characteristics;
May be misshapen;
May be slightly spongy;
May have rough texture;
Not seriously lumpy or cracked; and,
May be poorly colored.
Not more than 25 percent of the surface may be of a solid dark green color.
Free from:
Cuts not healed;
Decay; and,
Wormy fruit.
Not very seriously damaged by any other cause.
For tolerances see § 51.628.