---
kind: "section"
citation: "40 C.F.R. § 180.1072"
title: "40"
number: "180.1072"
heading: "Poly- D -glucosamine (chitosan); exemption from the requirement of a tolerance."
url: "https://uscodex.org/cfr/40/180.1072"
---

# §180.1072. Poly- D -glucosamine (chitosan); exemption from the requirement of a tolerance.

- (a) An exemption from the requirement of a tolerance is established for residues of the biological plant growth regulator poly-D-glucosamine when used as a seed treatment in or on barley, beans, oats, peas, rice, and wheat.
- (b) An exemption from the requirement of a tolerance is established for residues of the biological plant growth regulator poly-D-glucosamine when used as a pesticide in the production any raw agricultural commodity.

## Notes

### Amendments

[60 FR 19524, Apr. 19, 1995]

### Authority

Authority: 21 U.S.C. 321(q), 346a and 371.

### Source

Source: 36 FR 22540, Nov. 25, 1971, unless otherwise noted.

### Amendments

[60 FR 19524, Apr. 19, 1995]