Code of Federal Regulations (alpha)

CFR /  Title 40  /  Part 180  /  Sec. 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: ------------------------------------------------------------------------

Parts per

Commodity million------------------------------------------------------------------------Canola, seed \1\............................................ 0.10Soybean..................................................... 0.1Vegetable, 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: ------------------------------------------------------------------------

Parts per

Commodity million------------------------------------------------------------------------Alfalfa, seed............................................... 0.15Alfalfa, seed screenings.................................... 0.15Animal feed, nongrass, group 18, forage..................... 3.0Animal feed, nongrass, group 18, hay........................ 5.5Peanut...................................................... 0.1Rice, bran.................................................. 1.2Rice, grain................................................. 0.3Rice, straw................................................. 0.4------------------------------------------------------------------------

(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: ------------------------------------------------------------------------

Parts per

Commodity million------------------------------------------------------------------------Cattle, meat byproducts..................................... 0.10Corn, field, forage......................................... 0.1Corn, field, grain.......................................... 0.1Corn, field, stover......................................... 0.1Crayfish.................................................... 0.15Goat, meat byproducts....................................... 0.10Hog, meat byproducts........................................ 0.10Horse, meat byproducts...................................... 0.10Sheep, meat byproducts...................................... 0.10------------------------------------------------------------------------

(b) Section 18 emergency exemptions. [Reserved]

(c) Tolerances with regional registrations. Tolerances with regional registration, as defined in Sec. 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: ------------------------------------------------------------------------

Parts per

Commodity million------------------------------------------------------------------------Endive...................................................... 0.1Lettuce, head............................................... 0.1Lettuce, 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]