---
kind: "section"
citation: "40 C.F.R. § 180.576"
title: "40"
number: "180.576"
heading: "Cyhalofop-butyl; tolerances for residues."
url: "https://uscodex.org/cfr/40/180.576"
---

# §180.576. Cyhalofop-butyl; tolerances for residues.

- (a) **General.** Tolerances are established for residues of cyhalofop-butyl, including its metabolites and degradates, in or on the commodities listed in the table below. Compliance with the tolerance levels specified below is to be determined by measuring cyhalofop butyl [R-( + )-n-butyl-2-(4(4-cyano-2-fluorophenoxy)-phenoxy)propionate], cyhalofop acid [R-( + )-2-(4(4-cyano-2-fluorophenoxy)-phenoxy)propionic acid], and the di-acid metabolite [(2R)-4-(4-(1-carboxyethoxy)phenoxy)-3-fluorobenzoic acid].
- (b) **Section 18 emergency exemptions.** [Reserved]
- (c) **Tolerances with regional registrations.** [Reserved]
- (d) **Indirect or inadvertent residues.** [Reserved]

## Notes

### Amendments

[67 FR 43256, June 27, 2002, as amended at 74 FR 15880, Apr. 8, 2009; 76 FR 82157, Dec. 30, 2011]

### Authority

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

### Source

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

### Amendments

[67 FR 43256, June 27, 2002, as amended at 74 FR 15880, Apr. 8, 2009; 76 FR 82157, Dec. 30, 2011]