40 CFR § 180.580 - Iodosulfuron-Methyl-Sodium; tolerances for residues.
---
identifier: "/us/cfr/t40/s180.580"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 180.580 - Iodosulfuron-Methyl-Sodium; tolerances for residues."
title_number: 40
title_name: "Protection of Environment"
section_number: "180.580"
section_name: "Iodosulfuron-Methyl-Sodium; 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"
---
# 180.580 Iodosulfuron-Methyl-Sodium; tolerances for residues.
(a) *General.* Tolerances are established for residues of the herbicide *Iodosulfuron-Methyl-Sodium (methyl 4-iodo-2-[3-(4-methoxy-6-methyl-1,3,5 triazin-2-yl)ureidosulfonyl]benzoate, sodium salt*) in or on the following commodities:
| Commodity | Parts per million |
| --- | --- |
| Corn, field, forage | 0.05 |
| Corn, field, grain | 0.03 |
| Corn, field, stover | 0.05 |
| Wheat, forage | 0.10 |
| Wheat, grain | 0.02 |
| Wheat, hay | 0.05 |
| Wheat, straw | 0.05 |
(b) *Section 18 emergency exemptions.* [Reserved]
(c) *Tolerances with regional registrations.* [Reserved]
(d) *Indirect or inadvertent residues.* [Reserved]
[67 FR 57532, Sept. 11, 2002, as amended at 74 FR 23644, May 20, 2009]