7 CFR 801.8 - Tolerances for sieves.

Beta! The text on the eCFR tab represents the unofficial eCFR text at ecfr.gov.
§ 801.8 Tolerances for sieves.

The maintenance tolerances for sieves used in performing official inspection services shall be:

(a) Thickness of metal: ±0.0015 inch.

(b) Accuracy of perforation: ±0.001 inch from design specification.

(c) Sieving accuracy:

Sieve description Tolerance
Direct comparison Sample exchange
.064 × 3/8 inch oblong ±0.2 percent, mean deviation from standard sieve using wheat ±0.3 percent, mean deviation from standard sieve using wheat
5/64 × 3/4 inch slotted ±0.3 percent, mean deviation from standard sieve using barley ±0.5 percent, mean deviation from standard sieve using barley
5 5/64 × 3/4 inch slotted ±0.5 percent, mean deviation from standard sieve using barley ±0.7 percent, mean deviation from standard sieve using barley
6/64 × 3/4 inch slotted ±0.7 percent, mean deviation from standard sieve using barley ±1.0 percent, mean deviation from standard sieve using barley

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

This list is taken from the Parallel Table of Authorities and Rules provided by GPO [Government Printing Office].

It is not guaranteed to be accurate or up-to-date, though we do refresh the database weekly. More limitations on accuracy are described at the GPO site.


United States Code