40 CFR § 180.426 - 2-[4,5-Dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1-imidazol-2-yl]-3-quinoline carboxylic acid; tolerance for residues.

---
identifier: "/us/cfr/t40/s180.426"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 180.426 - 2-[4,5-Dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1-imidazol-2-yl]-3-quinoline carboxylic acid; tolerance for residues."
title_number: 40
title_name: "Protection of Environment"
section_number: "180.426"
section_name: "2-[4,5-Dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1-imidazol-2-yl]-3-quinoline carboxylic acid; tolerance 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"
---


# 180.426 2-[4,5-Dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1-imidazol-2-yl]-3-quinoline carboxylic acid; tolerance for residues.

A tolerance is established for residues of the herbicide 2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1*H*-imidazol-2-yl]-3-quinoline carboxylic acid, in or on the raw agricultural commodity soybean at 0.05 part per million.

[51 FR 13309, Apr. 2, 1986]