40 CFR § 180.600 - Propoxycarbazone; tolerances for residues.

---
identifier: "/us/cfr/t40/s180.600"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 180.600 - Propoxycarbazone; tolerances for residues."
title_number: 40
title_name: "Protection of Environment"
section_number: "180.600"
section_name: "Propoxycarbazone; 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"
---


# 180.600 Propoxycarbazone; tolerances for residues.

(a) *General.* (1) Tolerances are established for combined residues of the herbicide propoxycarbazone methyl 2-[[[(4,5-dihydro-4-methyl-5-oxo-3-propoxy-1H-1,2,4-triazol-1-yl)carbonyl]amino]sulfonyl]benzoate and its metabolite methyl 2-[[[(4,5-dihydro-3-(2-hydroxypropoxy)-4-methyl-5-oxo-1H-1,2,4-triazol-1-yl)carbonyl]amino]sulfonyl]benzoate in/on the following raw agricultural commodities:

| Commodity | Parts per million |
| --- | --- |
| Grass, forage | 20 |
| Grass, hay | 25 |
| Wheat, forage | 17 |
| Wheat, grain | 0.02 |
| Wheat, hay | 0.15 |
| Wheat, straw | 0.05 |

(2) Tolerances are established for residues of the herbicide propoxycarbazone methyl 2-[[[(4,5-dihydro-4-methyl-5-oxo-3-propoxy-1H-1,2,4-triazol-1-yl)carbonyl]amino]sulfonyl]benzoate in/on the following raw agricultural commodities:

| Commodity | Parts per million |
| --- | --- |
| Cattle, meat | 0.05 |
| Cattle, meat byproducts | 0.3 |
| Goat, meat | 0.05 |
| Goat, meat byproducts | 0.3 |
| Horse, meat | 0.05 |
| Horse, meat byproducts | 0.3 |
| Milk | 0.03 |
| Sheep, meat | 0.05 |
| Sheep, meat byproducts | 0.3 |

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

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

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

[69 FR 40781, July 7, 2004, as amended at 71 FR 52487, Sept. 6, 2006; 74 FR 9377, Mar. 4, 2009]