40 CFR § 180.352 - Terbufos; tolerances for residues.

---
identifier: "/us/cfr/t40/s180.352"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 180.352 - Terbufos; tolerances for residues."
title_number: 40
title_name: "Protection of Environment"
section_number: "180.352"
section_name: "Terbufos; 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"
---


# 180.352 Terbufos; tolerances for residues.

(a) *General.* Tolerances are established for the combined residues of the insecticide terbufos (phosphorodithioic acid, *S*-(t-butylthio)methyl *O,O*-diethyl ester) and its phosphorylated (cholinesterase-inhibiting) metabolites (phosphorothioic acid, *S*-(t-butylthio)methyl *O,O*-diethyl ester; phosphorothioic acid, *S*-(t-butylsulfinyl)methyl *O,O*-diethyl ester; phosphorothioic acid, *S*-(t-butylsulfonyl)methyl *O,O*-diethyl ester; phosphorodithioic acid, *S*-(t-butylsulfinyl)methyl *O,O*-diethyl ester; and phosphorodithioic acid, *S*-(t-butylsulfonyl)methyl *O,O*-diethyl ester) in or on food commodities:

| Commodity | Parts per million |
| --- | --- |
| Banana | 0.025 |
| Beet, sugar, roots | 0.05 |
| Beet, sugar, tops | 0.1 |
| Coffee, green bean | 0.05 |
| Corn, field, forage | 0.5 |
| Corn, field, grain | 0.5 |
| Corn, field, stover | 0.5 |
| Corn, pop, grain | 0.5 |
| Corn, pop, stover | 0.5 |
| Corn, sweet, kernel plus cob with husks removed | 0.05 |
| Corn, sweet, forage | 0.5 |
| Corn, sweet, stover | 0.5 |
| Sorghum, grain, forage | 0.5 |
| Sorghum, grain, grain | 0.05 |
| Sorghum, grain, stover | 0.5 |
| There are no U. S. registrations as of August 2, 1995, for the use of terbufos on the growing crop, coffee. |  |

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

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

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

[73 FR 53740, Sept. 17, 2008]