40 CFR § 180.440 - Tefluthrin; tolerances for residues.

---
identifier: "/us/cfr/t40/s180.440"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 180.440 - Tefluthrin; tolerances for residues."
title_number: 40
title_name: "Protection of Environment"
section_number: "180.440"
section_name: "Tefluthrin; 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"
---


# 180.440 Tefluthrin; tolerances for residues.

(a) *General.* Tolerances are established for the combined residues of the insecticide tefluthrin (2,3,5,6 tetrafluroro-4-methylphenyl)methyl-(1 alpha, 3 alpha)-(*Z*)-(±)-3(2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-diemthylcyclopropanecarboxylate) and its metabolite (*Z*)-3-(2-chloro-3,3,3-trifluroro-1-propenyl)-2,2-dimethylcyclopropanecarboxylic acid in or on the following commodities:

| Commodity | Parts per million |
| --- | --- |
| Corn, field, forage | 0.06 |
| Corn, field, grain | 0.06 |
| Corn, field, stover | 0.06 |
| Corn, pop, grain | 0.06 |
| Corn, pop, stover | 0.06 |
| Corn, sweet, forage | 0.06 |
| Corn, sweet, kernel plus cob with husks removed | 0.06 |
| Corn, sweet, stover | 0.06 |

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

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

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

[62 FR 62961, Nov. 26, 1997, as amended at 74 FR 46375, Sept. 9, 2009]