“U.S. Standard” consists of pecans in the shell which meet the following requirements:

(a) Free from loose extraneous or foreign material;

(b) Kernels well cured;

(c) Moisture content shall be not more than 6 percent, unless otherwise specified;

(d) No requirement for fullness of kernel;

(e) No requirement for uniformity of color of shells or kernels;

(f) May contain kernels that are “dark amber” or darker, unless specified to a lighter color classification; and

(g) Shells and kernels are free from damage by any cause.

(h) For tolerances see § 51.1406.