Regulations last checked for updates: May 18, 2024

Title 40 - Protection of Environment last revised: May 16, 2024
§ 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, dry0.1
Beans, succulent lima0.1
Cattle, fat0.02
Cattle, meat byproducts0.02
Cattle, meat0.02
Corn, field, forage2.0
Corn, field, grain0.2
Corn, field, pop0.2
Corn, field, stover2.0
Corn, pop, stover2.0
Corn, sweet (K + CWHR)0.05
Corn, sweet, stover2.0
Cotton, gin byproducts0.7
Cotton, undelinted seed0.03
Cowpea, forage5.0
Cowpea, hay5.0
Egg0.02
Goat, fat0.02
Goat, meat byproducts0.02
Goat, meat0.02
Hog, fat0.02
Hog meat byproducts0.02
Hog, meat0.02
Horse, fat0.02
Horse, meat byproducts0.02
Horse, meat0.02
Milk0.02
Peanut0.5
Poultry, fat0.02
Poultry, meat byproducts0.02
Poultry, meat0.02
Sheep, fat0.02
Sheep, meat byproducts0.02
Sheep, meat0.02
Sorghum grain, forage2.0
Sorghum, grain, grain0.1
Sorghum, grain, stover1.0
Soybeans, seed1.0
Sunflower, meal3.4
Sunflower, seed2.5

(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, forage1.4
Animal feed, nongrass, group 18, hay1.2
Grain, cereal, forage, and straw, group 16 except corn, sorghum, rice, straw0.8
Grain, cereal, forage, fodder and straw, group 16 except corn, sorghum, rice, forage0.6
Grain, cereal, forage, fodder, and straw, group 16 except for corn, sorghum, rice, hay0.8
Grain, cereal, group 15 except corn, sorghum, rice0.05
[72 FR 54584, Sept. 26, 2007]
authority: 21 U.S.C. 321(q), 346a and 371
source: 36 FR 22540, Nov. 25, 1971, unless otherwise noted.
cite as: 40 CFR 180.249