Code of Federal Regulations Title 7. Agriculture § 7.51.2954 Tolerances for grade defects

U.S. No. 1

10%, by count, for splits. 5%, by count, for other shell defects, including not more than 3% seriously damaged

10% total, by count, including not more than 6% which are damaged by mold or insects or seriously damaged by other means, of which not more than 5/6 or 5% may be damaged by insects, but no part of any tolerance shall be allowed for walnuts containing live insects

No tolerance to reduce the required 70% of “light amber” kernels or the required 40% of “light” kernels or any larger percentage of “light amber” or “light” kernels specified

U.S. No. 2

10%, by count, for splits. 10%, by count, for other shell defects, including not more than 5% serious damage by adhering hulls

15% total, by count, including not more than 8% which are damaged by mold or insects or seriously damaged by other means, of which not more than 5/8 or 5% may be damaged by insects, but no part of any tolerance shall be allowed for walnuts containing live insects

No tolerance to reduce the required 60% or any specified larger percentage of “light amber” kernels, or any specified percentage of “light” kernels

U.S. No. 3

Same as above tolerance for U.S. No. 2

Same as above tolerance for U.S. No. 2

No tolerance to reduce any percentage of “light amber” or “light” kernel specified