Regulations last checked for updates: Nov 22, 2024

Title 40 - Protection of Environment last revised: Nov 20, 2024
§ 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, fat0.02
Cattle, meat0.02
Cattle, meat byproducts0.02
Corn, field, forage1.5
Corn, field, grain0.20
Corn, field, stover0.5
Corn, pop, forage1.5
Corn, pop, grain0.20
Corn, pop, stover0.5
Corn, sweet, forage15
Corn, sweet, kernel plus cob with husks removed0.20
Corn, sweet, stover2.0
Goat, fat0.02
Goat, meat0.02
Goat, meat byproducts0.02
Grass, forage4.0
Grass, hay4.0
Guava0.05
Horse, fat0.02
Horse, meat0.02
Horse, meat byproducts0.02
Milk0.02
Nut, macadamia0.20
Sheep, fat0.02
Sheep, meat0.02
Sheep, meat byproducts0.02
Sorghum, forage, forage0.25
Sorghum, grain, forage0.25
Sorghum, grain, grain0.20
Sorghum, grain, stover0.50
Sugarcane, cane0.20
Wheat, forage1.5
Wheat, grain0.10
Wheat, hay5.0
Wheat, straw0.50

(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 40.25
[43 FR 29121, July 6, 1978, as amended at 44 FR 67116, Nov. 23, 1979; 47 FR 3771, Jan. 27, 1982; 47 FR 8012, Feb. 24, 1982; 63 FR 57075, Oct. 26, 1998; 67 FR 46893, July 17, 2002; 69 FR 6567, Feb. 11, 2004; 72 FR 35666, June 29, 2007; 72 FR 53454, Sept. 19, 2007; 73 FR 37852, July 2, 2008; 76 FR 56654, Sept. 14, 2011]
authority: 21 U.S.C. 321(q), 346a and 371
source: 36 FR 22540, Nov. 25, 1971, unless otherwise noted.
cite as: 40 CFR 180.220