40 CFR § 180.595 - Flufenpyr-ethyl; tolerances for residues.

---
identifier: "/us/cfr/t40/s180.595"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 180.595 - Flufenpyr-ethyl; tolerances for residues."
title_number: 40
title_name: "Protection of Environment"
section_number: "180.595"
section_name: "Flufenpyr-ethyl; tolerances for residues."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "E"
subchapter_name: "PESTICIDE PROGRAMS"
part_number: "180"
part_name: "TOLERANCES AND EXEMPTIONS FOR PESTICIDE CHEMICAL RESIDUES IN FOOD"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 321(q), 346a and 371."
regulatory_source: "36 FR 22540, Nov. 25, 1971, unless otherwise noted."
cfr_part: "180"
---


# 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-(6*H*)-pyridazinyl]-phenoxy]-ethyl ester], in or on the commodities in Table 1 to paragraph (a)(1).

Table 1 to Paragraph (**a**)(1)

| Commodity | Parts per
million |
| --- | --- |
| Corn, field, grain | 0.01 |
| Soybean, seed | 0.01 |
| Sugarcane, cane | 0.01 |
| This tolerance expires on August 26, 2026. |  |

(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-(6*H*)-pyridazinyl]-phenoxy]-ethyl ester], and its metabolite, S-3153 acid-4-OH; [2-chloro-4-hydroxy-5-[5-methyl-6- oxo-4-(trifluoromethyl)-1-(6*H*)-pyridazinyl]-phenoxy]-acetic acid, free and conjugated, in or on the commodities in Table 2 to paragraph (a)(2).

Table 2 to Paragraph (**a**)(2)

| Commodity | Parts per
million |
| --- | --- |
| Corn, field, forage | 0.05 |
| Corn, field, stover | 0.05 |
| This tolerance expires on August 26, 2026. |  |

(b) *Section 18 emergency exemptions.* [Reserved]

(c) *Tolerances with regional registrations.* [Reserved]

(d) *Indirect or inadvertent residues.* [Reserved]

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