(a) All percentages shall be claculated on the basis of weight.
(b) In order to allow for variations, other than for color and size, incident to proper grading and handling, tolerances shall be permitted for the respective grades as indicated in Table I:
Table I
[Percent]----------------------------------------------------------------------------------------------------------------
Tolerances for grade defects
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Grade Total Shell and foreign
defects Serious damage Very serious damage material----------------------------------------------------------------------------------------------------------------U. S. No. 1....................... 5 2 (included in 5 1 (included in 2 0.05 (included in 1
percent total percent serious percent very serious
defects). damage). damage).U.S. Commercial................... 8 4 (included in 8 2 (included in 4 0.05 (included in 2
percent total percent serious percent very serious
defects). damage). damage).----------------------------------------------------------------------------------------------------------------
Color Requirements