40 CFR § 180.633 - Florasulam; tolerances for residues.

---
identifier: "/us/cfr/t40/s180.633"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 180.633 - Florasulam; tolerances for residues."
title_number: 40
title_name: "Protection of Environment"
section_number: "180.633"
section_name: "Florasulam; 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"
---


# 180.633 Florasulam; tolerances for residues.

(a) *General.* Tolerances are established for residues of the herbicide florasulam, including its metabolites and degradates, in or on the commodities below. Compliance with the tolerance levels specified below is to be determined by measuring only florasulam, N-(2, 6-difluorophenyl)-8-fluoro-5-methoxy (1, 2, 4) triazole (1, 5-*c*)pyrimidine-2-sulfonamide, in or on the commodities.

| Commodity | Parts per million |
| --- | --- |
| Barley, grain | 0.01 |
| Barley, hay | 0.05 |
| Barley, straw | 0.05 |
| Oat, forage | 0.05 |
| Oat, grain | 0.01 |
| Oat, hay | 0.05 |
| Oat, straw | 0.05 |
| Rye, forage | 0.05 |
| Rye, grain | 0.01 |
| Rye, straw | 0.05 |
| Teff, forage | 0.05 |
| Teff, grain | 0.01 |
| Teff, hay | 0.05 |
| Teff, straw | 0.05 |
| Wheat, forage | 0.05 |
| Wheat, grain | 0.01 |
| Wheat, hay | 0.05 |
| Wheat, straw | 0.05 |

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

(c) *Tolerances with regional registrations.* Tolerances are established for residues of the herbicide florasulam, including its metabolites and degradates, in or on the commodities in table 2 to this paragraph (c). Compliance with the tolerance levels specified in table 2 is to be determined by measuring only florasulam, *N*-(2, 6-difluorophenyl)-8-fluoro-5-methoxy (1, 2, 4) triazole (1, 5-*c*)pyrimidine-2-sulfonamide, in or on the commodities:

Table 2 to Paragraph (**c**)

| Commodity | Parts per million |
| --- | --- |
| Grass, forage, fodder and hay, group 17 | 0.02 |

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

[72 FR 55077, Sept. 28, 2007, as amended at 83 FR 35147, July 25, 2018; 86 FR 43967, Aug. 11, 2021]