40 CFR § 180.407 - Thiodicarb; tolerances for residues.

---
identifier: "/us/cfr/t40/s180.407"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 180.407 - Thiodicarb; tolerances for residues."
title_number: 40
title_name: "Protection of Environment"
section_number: "180.407"
section_name: "Thiodicarb; 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"
---


# 180.407 Thiodicarb; tolerances for residues.

(a) *General.* Tolerances are established for the combined residues of the insecticide thiodicarb (dimethyl *N*,*N*′-[thiobis[[(methylimino)carbonyloxy]]  bis[ethanimidothioate]) and its metabolite methomyl (*S*-methyl *N*-[(methylcarbamoyl)  oxy]thioacetimidate) in or on the following food commodities or groups. The time-limited tolerances expire and are revoked on the dates listed in the following table:

Table 1 to Paragraph (**a**)

| Commodity | Parts per million | Expiration/revocation date |
| --- | --- | --- |
| Broccoli | 7.0 | January 19, 2024. |
| Cabbage | 7.0 | January 19, 2024. |
| Cauliflower | 7.0 | January 19, 2024. |
| Corn, sweet, kernel plus cob with husks removed | 2.0 | January 19, 2024. |
| Cotton, undelinted seed | 0.4 | None |
| Soybean, hulls | 0.8 | None |
| Soybean | 0.2 | None |
| Vegetable, leafy, except brassica, group 4 | 35 | January 19, 2024. |

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

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

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

[62 FR 44595, Aug. 22, 1997, as amended at 75 FR 60245, Sept. 29, 2010; 88 FR 46083, July 19, 2023]