40 CFR § 180.437 - Imazamethabenz-methyl; tolerances for residues.

---
identifier: "/us/cfr/t40/s180.437"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 180.437 - Imazamethabenz-methyl; tolerances for residues."
title_number: 40
title_name: "Protection of Environment"
section_number: "180.437"
section_name: "Imazamethabenz-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"
---


# 180.437 Imazamethabenz-methyl; tolerances for residues.

(a) *General.* Tolerances are established for residues of the herbicide imazamethabenz-methyl, including its metabolites and degradates, in or on the commodities in the table in this paragraph. Compliance with the tolerance levels specified in this paragraph is to be determined by measuring only imazamethabenz-methyl (methyl 2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1*H*-imidazol-2-yl]-4-methylbenzoate) or (methyl 2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1*H*-imidazol-2-yl]-5-methylbenzoate), as the sum of its para- and meta-isomers in or on the commodity.

| Commodity | Parts permillion | Expiration/revocationdate |
| --- | --- | --- |
| Barley, grain | 0.10 | 12/31/16 |
| Barley, straw | 2.00 | 12/31/16 |
| Sunflower, seed | 0.10 | 12/31/16 |
| Wheat, grain | 0.10 | 12/31/16 |
| Wheat, straw | 2.00 | 12/31/16 |

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

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

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

[81 FR 34906, June 1, 2016]