Section 180.447 - Imazethapyr; tolerances for residues(a)General.(1) Tolerances are established for residues of the herbicide imazethapyr, 2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo- 1H-imidazol-2-yl]-5-ethyl-3-pyridine carboxylic acid, applied as its acid or ammonium salt, in or on the following raw agricultural commodities: | Commodity | Parts per million |
| Canola, seed1 | 0.10 |
| Soybean | 0.1 |
| Vegetable, legume, group 6 | 0.1 |
1 There are no U.S. registrations for canola as of March 21, 2003.
(2) Tolerances are established for the sum of the residues of the herbicide imazethapyr, 2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo- 1H-imidazol-2-yl]-5-ethyl-3-pyridine carboxylic acid; its metabolite CL 288511, 2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-5-(1-hydroxyethyl)-3-pyridine carboxylic acid; and its metabolite CL 182704, 5-[1-(beta-D-glucopyranosyloxy)ethyl]-2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-3-pyridinecarboxylic acid, applied as its acid or ammonium salt, in or on the following commodities: | Commodity | Parts per million |
| Alfalfa, seed | 0.15 |
| Alfalfa, seed screenings | 0.15 |
| Animal feed, nongrass, group 18, forage | 3.0 |
| Animal feed, nongrass, group 18, hay | 5.5 |
| Peanut | 0.1 |
| Rice, bran | 1.2 |
| Rice, grain | 0.3 |
(3) A tolerance is established for the sum of residues of the herbicide imazethapyr, 2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo- 1H-imidazol-2-yl]-5-ethyl-3-pyridine carboxylic acid, and its metabolite CL 288511, 2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5- oxo-1H-imidazol-2-yl]-5-(1-hydroxyethyl)-3-pyridine carboxylic acid, applied as its acid or ammonium salt, in or on the following commodities: | Commodity | Parts per million |
| Cattle, meat byproducts | 0.10 |
| Corn, field, forage | 0.1 |
| Corn, field, grain | 0.1 |
| Corn, field, stover | 0.1 |
| Crayfish | 0.15 |
| Goat, meat byproducts | 0.10 |
| Hog, meat byproducts | 0.10 |
| Horse, meat byproducts | 0.10 |
| Sheep, meat byproducts | 0.10 |
(b)Section 18 emergency exemptions. [Reserved](c)Tolerances with regional registrations. Tolerances with regional registration, as defined in § 180.1(l) of this chapter, are established for the sum of residues of the herbicide imazethapyr, 2- [4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-5-ethyl- 3-pyridine carboxylic acid, as its ammonium salt, and its metabolite, 2- [4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-5-(1- hydroxyethyl)-3-pyridine carboxylic acid, both free and conjugated, applied as its acid or ammonium salt, in or on the following raw agricultural commodities: | Commodity | Parts per million |
| Endive | 0.1 |
| Lettuce, head | 0.1 |
| Lettuce, leaf | 0.1 |
(d)Indirect or inadvertent residues. [Reserved]67 FR 55331, Aug. 29, 2002, as amended at 68 FR 13849, Mar. 21, 2003; 71 FR 6359, Feb. 8, 2006; 76 FR 34885, June 15, 2011; 80 FR 72599, Nov. 20, 2015