40 CFR § 180.651 - Imazosulfuron; tolerances for residues.

---
identifier: "/us/cfr/t40/s180.651"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 180.651 - Imazosulfuron; tolerances for residues."
title_number: 40
title_name: "Protection of Environment"
section_number: "180.651"
section_name: "Imazosulfuron; 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"
---


# 180.651 Imazosulfuron; tolerances for residues.

(a) *General.* Tolerances are established for residues of the herbicide imazosulfuron, including its metabolites and degradates, in or on the following commodities. Compliance with the tolerance levels specified in the following table below is to be determined by measuring only imazosulfuron, 2-chloro-*N*-[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]imidazo-[1,2-α]pyridine-3-sulfonamide, in or on the commodity.

| Commodity | Parts per million |
| --- | --- |
| Melon subgroup 9A | 0.02 |
| Pepper, bell | 0.02 |
| Pepper, non-bell | 0.02 |
| Rice, grain | 0.02 |
| Tomato | 0.02 |
| Vegetable, tuberous and corm, subgroup 1C | 0.02 |

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

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

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

[75 FR 81884, Dec. 29, 2010, as amended at 78 FR 44444, July 24, 2013]