40 CFR § 180.503 - Cymoxanil, tolerance for residues.

---
identifier: "/us/cfr/t40/s180.503"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 180.503 - Cymoxanil, tolerance for residues."
title_number: 40
title_name: "Protection of Environment"
section_number: "180.503"
section_name: "Cymoxanil, tolerance 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"
---


# 180.503 Cymoxanil, tolerance for residues.

(a) *General.* Tolerances are established for residues of the fungicide, cymoxanil, 2-cyano -N- [(ethylamino)carbonyl]-2-(methoxyimino) acetamide, in or on the following food commodities:

| Commodity | Parts per million |
| --- | --- |
| Caneberry, subgroup 13A-07 | 4.0 |
| Cilantro, leaves | 19 |
| Hop, dried cones | 7.0 |
| Leafy greens, subgroup 4A | 19 |
| Leaf petioles, subgroup 4B | 6.0 |
| Lychee | 1.0 |
| Onion, bulb, subgroup 3-07A | 0.05 |
| Onion, green, subgroup 3-07B | 1.1 |
| Potato | 0.05 |
| Vegetable, cucurbit, group 9 | 0.05 |
| Vegetable, fruiting, group 8 | 0.2 |
| There is no U.S. registration for lychee. |  |

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

(c) *Tolerances with a regional registration.* Tolerances with a regional registration as defined in § 180.1(l) are established for the residues of the fungicide cymoxanil, 2-cyano -*N*- [(ethylamino)carbonyl]-2-(methoxyimino) acetamide) in or on the raw agricultural commodities:

| Commodity | Parts per million |
| --- | --- |
| Grape | 0.10 |

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

[62 FR 26411, May 14, 1997, as amended at 62 FR 39956, July 25, 1997; 63 FR 24949, May 6, 1998; 63 FR 66464, Dec. 2, 1998; 64 FR 6539, Feb. 10, 1999; 64 FR 47689, Sept. 1, 1999; 66 FR 37598, July 19, 2001; 67 FR 35049, May 17, 2002; 68 FR 41936, July 16, 2003; 70 FR 7047, Feb. 10, 2005; 72 FR 37646, July 11, 2007; 73 FR 58885, Oct. 8, 2008; 76 FR 34885, June 15, 2011]