---
kind: "section"
citation: "40 C.F.R. § 180.595"
title: "40"
number: "180.595"
heading: "Flufenpyr-ethyl; tolerances for residues."
url: "https://uscodex.org/cfr/40/180.595"
---

# §180.595. Flufenpyr-ethyl; tolerances for residues.

- (a) **General.**
  - (1) Tolerances are established for residues of the herbicide, flufenpyr-ethyl; acetic acid, [2-chloro-4-fluoro-5-[5-methyl-6-oxo-4-(trifluoromethyl)-1-(6H)-pyridazinyl]-phenoxy]-ethyl ester], in or on the commodities in Table 1 to [paragraph (a)(1)](#a-1).
  - (2) Tolerances are established for residues of the herbicide flufenpyr-ethyl; acetic acid, [2-chloro-4-fluoro-5-[5-methyl-6-oxo-4-(trifluoromethyl)-1-(6H)-pyridazinyl]-phenoxy]-ethyl ester], and its metabolite, S-3153 acid-4-OH; [2-chloro-4-hydroxy-5-[5-methyl-6- oxo-4-(trifluoromethyl)-1-(6H)-pyridazinyl]-phenoxy]-acetic acid, free and conjugated, in or on the commodities in Table 2 to [paragraph (a)(2)](#a-2).
- (b) **Section 18 emergency exemptions.** [Reserved]
- (c) **Tolerances with regional registrations.** [Reserved]
- (d) **Indirect or inadvertent residues.** [Reserved]

## Notes

### Amendments

[68 FR 54842, Sept. 19, 2003, as amended at 91 FR 9727, Feb. 27, 2026]

### Authority

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

### Source

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

### Amendments

[68 FR 54842, Sept. 19, 2003, as amended at 91 FR 9727, Feb. 27, 2026]