40 CFR § 180.258 - Ametryn; tolerances for residues.

---
identifier: "/us/cfr/t40/s180.258"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 180.258 - Ametryn; tolerances for residues."
title_number: 40
title_name: "Protection of Environment"
section_number: "180.258"
section_name: "Ametryn; 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"
---


# 180.258 Ametryn; tolerances for residues.

(a) *General.* Tolerances are established for residues of the desiccant and herbicide (2-ethylamino)-4-(isopropylamino)-6-(methylthio)-*s*-triazine in or on the following raw agricultural commodities:

| Commodity | Parts per million | Expiration/Revocation Date |
| --- | --- | --- |
| Banana | 0.25 | 6/16/10 |
| Corn, field, forage | 0.1 | None |
| Corn, field, grain | 0.05 | None |
| Corn, field, stover | 0.05 | None |
| Corn, pop, grain | 0.05 | None |
| Corn, pop, stover | 0.05 | None |
| Corn, sweet, forage | 0.5 | 6/16/10 |
| Corn, sweet, kernel plus cob with husks removed | 0.25 | 6/16/10 |
| Corn, sweet, stover | 0.5 | 6/16/10 |
| Pineapple | 0.05 | None |
| Sugarcane, cane | 0.05 | None |

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

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

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

[43 FR 29121, July 6, 1978, as amended at 48 FR 13175, Mar. 30, 1983; 48 FR 21132, May 11, 1983; 52 FR 33237, Sept. 2, 1987; 63 FR 57075, Oct. 26, 1998; 73 FR 54961, Sept. 24, 2008; 74 FR 47456, Sept. 16, 2009]