40 CFR § 180.249 - Alachlor; tolerances for residues.

---
identifier: "/us/cfr/t40/s180.249"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 180.249 - Alachlor; tolerances for residues."
title_number: 40
title_name: "Protection of Environment"
section_number: "180.249"
section_name: "Alachlor; 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"
---


# 180.249 Alachlor; tolerances for residues.

(a) *General.* Tolerances are established for combined residues of alachlor (2-chloro-2′,6″-diethyl-*N*-(methoxymethyl)acetanilide) and its metabolites which can be converted to 2,6-diethylaniline (DEA) or 2-ethyl-6-(1-hydroxyethyl)aniline (1-HEEA) upon basic hydrolysis, calculated as alachlor in or on the following raw agricultural commodities.

| Commodity | Parts per million |
| --- | --- |
| Beans, dry | 0.1 |
| Beans, succulent lima | 0.1 |
| Cattle, fat | 0.02 |
| Cattle, meat byproducts | 0.02 |
| Cattle, meat | 0.02 |
| Corn, field, forage | 2.0 |
| Corn, field, grain | 0.2 |
| Corn, field, pop | 0.2 |
| Corn, field, stover | 2.0 |
| Corn, pop, stover | 2.0 |
| Corn, sweet (K + CWHR) | 0.05 |
| Corn, sweet, stover | 2.0 |
| Cotton, gin byproducts | 0.7 |
| Cotton, undelinted seed | 0.03 |
| Cowpea, forage | 5.0 |
| Cowpea, hay | 5.0 |
| Egg | 0.02 |
| Goat, fat | 0.02 |
| Goat, meat byproducts | 0.02 |
| Goat, meat | 0.02 |
| Hog, fat | 0.02 |
| Hog meat byproducts | 0.02 |
| Hog, meat | 0.02 |
| Horse, fat | 0.02 |
| Horse, meat byproducts | 0.02 |
| Horse, meat | 0.02 |
| Milk | 0.02 |
| Peanut | 0.5 |
| Poultry, fat | 0.02 |
| Poultry, meat byproducts | 0.02 |
| Poultry, meat | 0.02 |
| Sheep, fat | 0.02 |
| Sheep, meat byproducts | 0.02 |
| Sheep, meat | 0.02 |
| Sorghum grain, forage | 2.0 |
| Sorghum, grain, grain | 0.1 |
| Sorghum, grain, stover | 1.0 |
| Soybeans, seed | 1.0 |
| Sunflower, meal | 3.4 |
| Sunflower, seed | 2.5 |

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

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

(d) *Indirect or inadvertent residues.* Tolerances are established for indirect or inadvertent residues of alachlor (2-chloro-2′,6′-diethyl-*N*-(methoxymethyl)acetanilide) and its metabolites which can be converted to 2,6-diethylaniline (DEA) or 2-ethyl-6-(1-hydroxyethyl)aniline (1-HEEA) upon basic hydrolysis, calculated as alachlor, in or on the following raw agricultural commodities when present therein as a result of the application of alachlor to the growing crops in paragraph (a) of this section:

| Commodity | Parts per million |
| --- | --- |
| Animal feed, nongrass, group 18, forage | 1.4 |
| Animal feed, nongrass, group 18, hay | 1.2 |
| Grain, cereal, forage, and straw, group 16 except corn, sorghum, rice, straw | 0.8 |
| Grain, cereal, forage, fodder and straw, group 16 except corn, sorghum, rice, forage | 0.6 |
| Grain, cereal, forage, fodder, and straw, group 16 except for corn, sorghum, rice, hay | 0.8 |
| Grain, cereal, group 15 except corn, sorghum, rice | 0.05 |

[72 FR 54584, Sept. 26, 2007]