Tolerances for grade defects
Primary source
Verbatim text below is from the Electronic Code of Federal Regulations (eCFR), a public-domain U.S. government work. Always verify the current version with the eCFR before relying on it for any legal matter.
Full Text
(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] Grade Tolerances for grade defects Total defects Serious damage Very serious damage Shell and foreign material U. S. No. 1 5 2 (included in 5 percent total defects) 1 (included in 2 percent serious damage) 0.05 (included in 1 percent very serious damage). U.S. Commercial 8 4 (included in 8 percent total defects) 2 (included in 4 percent serious damage) 0.05 (included in 2 percent very serious damage).
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