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 |