40 CFR § 180.560 - Cloquintocet-mexyl; tolerances for residues.

---
identifier: "/us/cfr/t40/s180.560"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 180.560 - Cloquintocet-mexyl; tolerances for residues."
title_number: 40
title_name: "Protection of Environment"
section_number: "180.560"
section_name: "Cloquintocet-mexyl; 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"
---


# 180.560 Cloquintocet-mexyl; tolerances for residues.

(a) *General.* Tolerances are established for residues of the inert ingredient cloquintocet-mexyl, including its metabolites and degradates, in or on the commodities in the following table when used as a safener in herbicide formulations. Compliance with the tolerance levels specified is to be determined by measuring the combined residues of cloquintocet-mexyl, (acetic acid [(5-chloro-8-quinolinyl)oxy]-, 1-methylhexyl ester; CAS Reg. No. 99607-70-2) and its acid metabolite (5-chloro-8-quinolinoxyacetic acid), expressed as cloquintocet-mexyl, in or on the following commodities:

****Table 1 to Paragraph (a)

| Commodity | Parts per million |
| --- | --- |
| Barley, grain | 0.1 |
| Barley, hay | 0.1 |
| Barley, straw | 0.1 |
| Teff, forage | 0.2 |
| Teff, grain | 0.1 |
| Teff, hay | 0.5 |
| Teff, straw | 0.1 |
| Wheat, forage | 0.2 |
| Wheat, grain | 0.1 |
| Wheat, hay | 0.5 |
| Wheat, straw | 0.1 |
| There are no U.S. registrations for use on this commodity as of March 22, 2017. |  |

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

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

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

[65 FR 38764, June 22, 2000, as amended at 70 FR 74688, Dec. 16, 2005; 73 FR 11820, Mar. 5, 2008; 75 FR 16020, Mar. 31, 2010; 76 FR 38035, June 29, 2011; 81 FR 50634, Aug. 2, 2016; 82 FR 14623, Mar. 22, 2017; 83 FR 45843, Sept. 11, 2018; 89 FR 18553, Mar. 14, 2024]