40 CFR § 180.454 - Nicosulfuron; tolerances for residues.

---
identifier: "/us/cfr/t40/s180.454"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 180.454 - Nicosulfuron; tolerances for residues."
title_number: 40
title_name: "Protection of Environment"
section_number: "180.454"
section_name: "Nicosulfuron; 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"
---


# 180.454 Nicosulfuron; tolerances for residues.

(a) *General.* Tolerances are established for residues of the herbicide nicosulfuron, including its metabolites and degradates, in or on the commodities in the following table. Compliance with the tolerance levels specified in the following table is to be determined by measuring only nicosulfuron, 2-[[[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]-*N,N-*dimethyl-3-pyridinecarboxamide.

| Commodity | Parts per million |
| --- | --- |
| Cattle, fat | 0.01 |
| Cattle, meat | 0.01 |
| Cattle, meat byproducts | 0.05 |
| Corn, field, forage | 0.1 |
| Corn, field, grain | 0.1 |
| Corn, field, stover | 0.1 |
| Corn, pop, grain | 0.1 |
| Corn, pop, stover | 0.1 |
| Corn, sweet, forage | 0.1 |
| Corn, sweet, kernel plus cob with husks removed | 0.1 |
| Corn, sweet, stover | 0.1 |
| Goat, fat | 0.01 |
| Goat, meat | 0.01 |
| Goat, meat byproducts | 0.05 |
| Grass, forage | 9.0 |
| Grass, hay | 25.0 |
| Horse, fat | 0.01 |
| Horse, meat | 0.01 |
| Horse, meat byproducts | 0.05 |
| Milk | 0.01 |
| Sheep, fat | 0.01 |
| Sheep, meat | 0.01 |
| Sheep, meat byproducts | 0.05 |
| Sorghum, grain, forage | 0.3 |
| Sorghum, grain, grain | 0.8 |
| Sorghum, grain, stover | 0.05 |

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

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

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

[75 FR 17578, Apr. 7, 2010, as amended at 80 FR 68265, Nov. 4, 2015]