In order to allow for variations incident to proper grading and handling, the following tolerances shall be permitted for nuts which fail to meet the requirements of the respective grades as indicated. Terms in quotation marks refer to color classifications illustrated on the color chart.
Tolerances for Grade Defects----------------------------------------------------------------------------------------------------------------
External (shell) Internal (kernel)
Grade defects defects Color of kernel----------------------------------------------------------------------------------------------------------------U.S. No. 1........................... 10 pct, by count for 10 pct total by count, No tolerance to reduce
splits. 5 pct. by including not more the required 70 pct of
count, for other shell than 6 pct which are ``light amber''
defects, including not damaged by mold or kernels or the
more than 3 pct insects or seriously required 40 pct of
seriously damaged. damaged by other ``light'' kernels or
means, of which not any larger percentage
more than \5/6\ or 5 of ``light amber'' or
pct may be damaged by ``light'' kernels
insects, but no part specified.
of any tolerance shall
be allowed for walnuts
containing live
insects.U.S. No. 2........................... 10 pct, by count, for 15 pct total, by count, No tolerance to reduce
splits. 10 pct, by including not more the required 60 pct or
count, for other shell than 8 pct which are any specified larger
defects, including not damaged by mold or percentage of ``light
more than 5 pct insects or seriously amber'' kernels, or
serious damage by damaged by other any specified
adhering hulls. means, of which not percentage of
more than \5/8\ or 5 ``light'' kernels.
pct may be damaged by
insects, but no part
of any tolerance shall
be allowed for walnuts
containing live
insects.U.S. No. 3........................... Same as above tolerance Same as above tolerance No tolerance to reduce
for U.S. No. 2. for U.S. No. 2. any percentage of
``light amber'' or
``light'' kernel
specified.---------------------------------------------------------------------------------------------------------------- [41 FR 44187, Oct. 7, 1976. Redesignated at 42 FR 32514, June 27, 1977, and further redesignated at 46 FR 63203, Dec. 31, 1981]
Application of Tolerances