(a) General. (1) Tolerances are established for residues of isoxadifen-ethyl (ethyl 5,5-diphenyl-2-isoxazoline-3-carboxylate, (CAS No. 163520-33-0), and its metabolite: 4,5-dihydro-5,5-diphenyl-3-isoxazolecarboxylic acid, when used as an inert ingredient (safener) in or on the following raw agricultural commodities: ------------------------------------------------------------------------
Parts per
Commodity million------------------------------------------------------------------------Corn, field, forage......................................... 0.20Corn, field, grain.......................................... 0.08Corn, field, stover......................................... 0.40Corn, oil................................................... 0.50Corn, pop, grain............................................ 0.04Corn, pop, stover........................................... 0.25Corn, sweet, forage......................................... 0.30Corn, sweet, kernel plus cob with husk removed.............. 0.04Corn, sweet, stover......................................... 0.45------------------------------------------------------------------------
(2) Tolerances are established for the residues of isoxadifen-ethyl (3-isoxazolecarboxylic acid, 4,5-dihydro-5,5-diphenyl-, ethyl ester (CAS No. 164520-33-0)), and its metabolites 4,5-dihydro-5,5-diphenyl-3-isoxazolecarboxylic acid and [beta]-hydroxy-[beta]-benzenepropanenitrile when used as an inert ingredient (safener) in or on the following raw agricultural commodities: ------------------------------------------------------------------------
Parts per
Commodity million------------------------------------------------------------------------Rice, grain................................................. 0.10Rice, hulls................................................. 0.50Rice, straw................................................. 0.25------------------------------------------------------------------------
(b) Section 18 emergency exemptions. [Reserved]
(c) Tolerances with regional registrations. [Reserved]
(d) Indirect or inadvertent residues. [Reserved] [66 FR 33187, June 21, 2001, as amended at 66 FR 40141, Aug. 2, 2001; 67 FR 12878, Mar. 20, 2002; 69 FR 29890, May 26, 2004; 72 FR 63997, Nov. 14, 2007]