40 CFR § 180.691 - Halauxifen-methyl; tolerances for residues.
---
identifier: "/us/cfr/t40/s180.691"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 180.691 - Halauxifen-methyl; tolerances for residues."
title_number: 40
title_name: "Protection of Environment"
section_number: "180.691"
section_name: "Halauxifen-methyl; 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"
---
# 180.691 Halauxifen-methyl; tolerances for residues.
(a) *General.* Tolerances are established for residues of the herbicide, halauxifen-methyl, including its metabolites and degradates, in or on the commodities in the table below. Compliance with the tolerance levels specified below is to be determined by measuring only halauxifen-methyl (methyl (4-amino-3-chloro-6-(4-chloro-2-fluoro-3-methoxyphenyl)-2-pyridine carboxylate).
| Commodity | Parts per million |
| --- | --- |
| Barley, grain | 0.01 |
| Barley, hay | 0.01 |
| Barley, straw | 0.01 |
| Wheat, forage | 0.50 |
| Wheat, grain | 0.01 |
| Wheat, hay | 0.03 |
| Wheat, straw | 0.015 |
(b) *Section 18 emergency exemptions.* [Reserved]
(c) *Tolerances with regional registrations.* [Reserved]
(d) *Indirect or inadvertent residues.* [Reserved]
[81 FR 53025, Aug. 11, 2016]