7 CFR § 51.625 - U.S. No. 2.
“U.S. No. 2” consists of grapefruit which meet the following requirements:
(a) Basic requirements:
(1) Discoloration: Not more than two-thirds of the surface, in the aggregate, may be affected by discoloration. (See § 51.638.);
(2) Fairly firm;
(3) Mature;
(4) Not more than slightly misshapen;
(5) Not more than slightly rough texture;
(6) Slightly colored; and
(7) Similar varietal characteristics.
(b) Free from:
(1) Bruises;
(2) Decay;
(3) Growth cracks;
(4) Unhealed skin breaks; and
(5) Wormy fruit.
(c) Free from serious damaged 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.