U.S. No. 1 consists of onions which meet the following requirements:
(a) Basic requirements:
(1) Similar varietal characteristics, except color when designated as a specialty or mixed pack;
(2) Mature;
(3) Fairly firm; and,
(4) Fairly well shaped.
(b) Free from:
(1) Decay;
(2) Wet sunscald;
(3) Doubles; and,
(4) Bottlenecks.
(c) Free from damage caused by:
(1) Seedstems;
(2) Splits;
(3) Dry sunken areas;
(4) Sunburn;
(5) Sprouting;
(6) Staining;
(7) Dirt or foreign material;
(8) Mechanical;
(9) Tops;
(10) Roots;
(11) Translucent scales;
(12) Watery scales;
(13) Moisture;
(14) Disease;
(15) Insects; and,
(16) Other means.
(d) For size and tolerances see §§51.3198 and 51.3199.
[60 FR 46980, Sept. 8, 1995, as amended at 79 FR 63294, Oct. 23, 2014]