CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER E—PESTICIDE PROGRAMS (Parts 150–181) > PART 180—TOLERANCES AND EXEMPTIONS FOR PESTICIDE CHEMICAL RESIDUES IN FOOD > SUBPART C—Specific Tolerances (§180.101 to §180.649) > 180.570—Isoxadifen-ethyl; tolerances for residues.

180.570—Isoxadifen-ethyl; tolerances for residues.

(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:
Commodity Parts per million
Corn, field, forage 0.20
Corn, field, grain 0.08
Corn, field, stover 0.40
Corn, oil 0.50
Corn, pop, grain 0.04
Corn, pop, stover 0.25
Corn, sweet, forage 0.30
Corn, sweet, kernel plus cob with husk removed 0.04
Corn, 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 β-hydroxy-β-benzenepropanenitrile when used as an inert ingredient (safener) in or on the following raw agricultural commodities:
Commodity Parts per million
Rice, grain 0.10
Rice, hulls 0.50
Rice, straw 0.25
(b) emergency exemptions. [Reserved]
(c) Tolerances with regional registrations. [Reserved]
(d) Indirect or inadvertent residues. [Reserved]

Code of Federal Regulations

[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]