U.S. No. 1.

“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.