U.S. No. 2 consists of onions which meet the following requirements:
Basic requirements:
One type, except when designated as a specialty or mixed pack;
Mature; and,
Not soft or spongy.
Free from:
Decay;
Wet sunscald; and,
Scallions.
Free from serious damage caused by:
Watery scales;
Dirt or Staining;
Foreign Matter;
Seedstems;
Sprouts;
Mechanical;
Dry sunken areas;
Disease;
Freezing;
Insects; and,
Other means.
For tolerances see § 51.2837.
Size. Unless otherwise specified, the diameter shall not be less than 11/2 inches. (See §§ 51.2836 and 51.2837.)