40 CFR 180.220: Atrazine; tolerances for residues.

(a) General. Tolerances are established for the combined residues of the herbicide atrazine (2-chloro-4-ethylamino-6-isopropylamino-s-triazine) and its chlorinated metabolites 2-amino-4-chloro-6-isopropylamino-s-triazine, 2-amino-4-chloro-6-ethylamino-s-triazine, and 2,4-diamino-6-chloro-s-triazine, in or on the following food commodities:

Commodity Parts per million

Cattle, fat 0.02

Cattle, meat 0.02

Cattle, meat byproducts 0.02

Corn, field, forage 1.5

Corn, field, grain 0.20

Corn, field, stover 0.5

Corn, pop, forage 1.5

Corn, pop, grain 0.20

Corn, pop, stover 0.5

Corn, sweet, forage 15

Corn, sweet, kernel plus cob with husks removed 0.20

Corn, sweet, stover 2.0

Goat, fat 0.02

Goat, meat 0.02

Goat, meat byproducts 0.02

Grass, forage 4.0

Grass, hay 4.0

Guava 0.05

Horse, fat 0.02

Horse, meat 0.02

Horse, meat byproducts 0.02

Milk 0.02

Nut, macadamia 0.20

Sheep, fat 0.02

Sheep, meat 0.02

Sheep, meat byproducts 0.02

Sorghum, forage, forage 0.25

Sorghum, grain, forage 0.25

Sorghum, grain, grain 0.20

Sorghum, grain, stover 0.50

Sugarcane, cane 0.20

Wheat, forage 1.5

Wheat, grain 0.10

Wheat, hay 5.0

Wheat, straw 0.50

(b) Section 18 emergency exemptions. [Reserved]

(c) Tolerances with regional registrations. [Reserved]

(d) Indirect or inadvertent residues. Tolerances are established for indirect or inadvertant residues of atrazine, 2-chloro-4-ethylamino-6-isopropylamino-s-triazine, in or on the following raw agricultural commodity when present therein as a result of application of atrazine to the growing crops in paragraph (a) of this section:

Commodity Parts per million

Vegetable, leafy, except brassica, group 4 0.25