7 CFR §51.1812
“U.S. No. 1” consists of tangerines which meet the following requirements:
- (a)Basic requirements:
- (1)Discoloration: Not more than one-third of the surface, in the aggregate, may be affected by discoloration. (See § 51.1828.);
- (2)Fairly well colored;
- (3)Firm;
- (4)Mature; and,
- (5)Well formed.
- (b)Free from:
- (1)Decay;
- (2)Unhealed skin breaks; and,
- (3)Wormy fruit.
- (c)Free from damage caused by:
- (1)Ammoniation;
- (2)Bruises;
- (3)Buckskin;
- (4)Caked melanose;
- (5)Creasing;
- (6)Dirt or other foreign material;
- (7)Disease;
- (8)Dryness or mushy condition;
- (9)Green spots;
- (10)Hail;
- (11)Insects;
- (12)Oil spots;
- (13)Scab;
- (14)Scale;
- (15)Scars;
- (16)Skin breakdown;
- (17)Sprayburn;
- (18)Sunburn; and
- (19)Other means.
- (d)For tolerances see § 51.1820.