Grade
U.S. No. 1.
Tolerances
For defects en route or at destination.
10% for blueberries which have attached stems. Additionally, not more than 12% total, including 8% for permanent defects; or, 6% for serious damage, including 4% for serious damage by permanent defects and not more than 2% for blueberries affected by mold or decay.
Good Delivery Guidelines:
15% total, including 8% serious damage, including 3% decay
Common Defects:
Damage by:
(a) Wet berries when the individual berry is wet from juice from crushed, leaking, or decayed berries, but not due to condensation;
(b) Clusters when there are three or more joined capstems with at least one berry attached;
(c) Shriveling when the wrinkling is readily noticeable;
(d) Broken skins when not well healed or when well healed and readily noticeable, except for an allowable area within a 1/8 inch (3.2 mm) circle centered at the stem scar;
(e) Scars when affecting more than 20% of the surface of the individual berry;
Serious damage by:
(a) Moldy berries;
(b) Overripe berries;
(c) Crushed, split, or leaking berries;
(d) Mummified berries when the individual berry is dried up, withered or shrunken;
(e) Insects or when there is any visible evidence of the presence of insects, including but not limited to an insect, the insect larva, feeding, webbing or frass;
(f) Broken skins when not well healed; and,
(g) Scars when affecting more than 50% of the surface of the individual berry.