[Code of Federal Regulations]
[Title 40, Volume 22]
[Revised as of July 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR180.570]

[Page 508-509]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 180_TOLERANCES AND EXEMPTIONS FROM TOLERANCES FOR PESTICIDE CHEMICALS 
IN FOOD--Table of Contents
 
                      Subpart C_Specific Tolerances
 
Sec. 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

[[Page 509]]

(safener) in or on the following raw agricultural commodities when 
applied at an annual application rate of 0.08 pound of safener per acre.

------------------------------------------------------------------------
                                                             Parts per
                        Commodity                             million
------------------------------------------------------------------------
Corn, field, grain......................................        0.10
Corn, field, forage.....................................        0.10
Corn, field, stover.....................................        0.20
------------------------------------------------------------------------

    (2) Tolerances are established for the residues of isoxadifen-ethyl 
(3-isoxazolecarboxylic acid, 4,5-dihydro-5,5-diphenyl-, ethyl ester (CAS 
No. 163520-33-0)), and its metabolites 4,5-dihydro-5,5-diphenyl-3-
isoxazolecarboxylic acid and [beta]-hydroxy-[beta]-
benezenepropanenitrile when used as an inert ingredient (safener) in or 
on the following raw agricultural commodities, when applied at an annual 
application rate of 0.17 pounds isoxadifen-ethyl/acre.

------------------------------------------------------------------------
                                                             Parts per
                        Commodity                             million
------------------------------------------------------------------------
Rice, grain.............................................        0.10
Rice, hulls.............................................        0.50
Rice, 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]