40 CFR § 180.405 - Chlorsulfuron; tolerances for residues.

---
identifier: "/us/cfr/t40/s180.405"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 180.405 - Chlorsulfuron; tolerances for residues."
title_number: 40
title_name: "Protection of Environment"
section_number: "180.405"
section_name: "Chlorsulfuron; 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"
---


# 180.405 Chlorsulfuron; tolerances for residues.

(a) *General.* (1) Tolerances are established for the combined residues of chlorsulfuron (2-chloro-*N-*[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)aminocarbonyl]benzenesulfonamide) and its metabolite, 2-chloro-5-hydroxy-*N-*[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)aminocarbonyl] benzenesulfonamide in or on the following raw agricultural commodities:

| Commodity | Parts per million |
| --- | --- |
| Barley, grain | 0.1 |
| Barley, straw | 0.5 |
| Oat, forage | 20.0 |
| Oat, grain | 0.1 |
| Oat, straw | 0.5 |
| Wheat, forage | 20.0 |
| Wheat, grain | 0.1 |
| Wheat, straw | 0.5 |

(2) Tolerances are established for residues of chlorsulfuron (2-chloro-*N-*[(4-methoxy-6-methyl-1,3,5-triazin-2- yl)aminocarbonyl] benzenesulfonamide) in or on the following raw agricultural commodities.

| Commodity | Parts per million |
| --- | --- |
| Cattle, fat | 0.3 |
| Cattle, meat | 0.3 |
| Cattle, meat byproducts | 0.3 |
| Goat, fat | 0.3 |
| Goat, meat | 0.3 |
| Goat, meat byproducts | 0.3 |
| Grass, forage | 11.0 |
| Grass, hay | 19.0 |
| Hog, fat | 0.3 |
| Hog, meat | 0.3 |
| Hog, meat byproducts | 0.3 |
| Horse, fat | 0.3 |
| Horse, meat | 0.3 |
| Horse, meat byproducts | 0.3 |
| Milk | 0.1 |
| Sheep, fat | 0.3 |
| Sheep, meat | 0.3 |
| Sheep, meat byproducts | 0.3 |

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

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

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

[67 FR 52873, Aug. 14, 2002]