---
kind: "section"
citation: "7 C.F.R. § 201.47b"
title: "7"
number: "201.47b"
heading: "Working samples."
url: "https://uscodex.org/cfr/7/201.47b"
---

# §201.47b. Working samples.


The purity working sample is the sample on which the purity analysis is made. The noxious-weed seed working sample is the sample on which the noxious-weed seed examination is made.


## Notes

### Amendments

[20 FR 7930, Oct. 21, 1955]

### Authority

Authority: 7 U.S.C. 1592.

### Amendments

[20 FR 7930, Oct. 21, 1955]