“U.S. No. 2” consists of grapefruit which meet the following requirements:
(i)
Not more than two-thirds of the surface, in the aggregate, may be affected by discoloration. (See § 51.638.)
(4)
Similar varietal characteristics;
(5)
May be slightly colored;
(6)
Not more than slightly misshapen; and,
(7)
Not more than slightly rough texture.
(c)
Not seriously damaged by any other cause.
(d)
For tolerances see § 51.628.