Regulations last checked for updates: Oct 02, 2026

Title 40 - Protection of Environment last revised: Sep 29, 2026
§ 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).

Table 1 to Paragraph (a)(1)

Commodity Parts per
million
Corn, field, grain 10.01
Soybean, seed 10.01
Sugarcane, cane 10.01

1 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-(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).

Table 2 to Paragraph (a)(2)

Commodity Parts per
million
Corn, field, forage 10.05
Corn, field, stover 10.05

1 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]
authority: 21 U.S.C. 321(q), 346a and 371
source: 36 FR 22540, Nov. 25, 1971, unless otherwise noted.
cite as: 40 CFR 180.595