[Code of Federal Regulations]

[Title 40, Volume 23]

[Revised as of July 1, 2006]

From the U.S. Government Printing Office via GPO Access

[CITE: 40CFR180.142]



[Page 348-350]

 

                   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.  180.142  2,4-D; tolerances for residues.



    (a) General. (1) Tolerances are established for residues of the 

herbicide, plant regulator, and fungicide 2,4-D (2,4-

dichlorophenoxyacetic acid) in or on raw agricultural commodities as 

follows:



------------------------------------------------------------------------

                                                              Parts per

                         Commodity                             million

------------------------------------------------------------------------

Apple......................................................            5

Apricot....................................................            5

Fruit, citrus..............................................            5

Pear.......................................................            5

Potato.....................................................          0.2

Quince.....................................................            5

------------------------------------------------------------------------



    (i) The tolerance on apricot also includes residues of 2,4-D (2,4-

dichlorophenoxyacetic acid) from the preharvest application of 2,4-D 

dimethylamine salt to apricot.

    (ii) The tolerance on Fruit, citrus also includes residues 2,4-D 

from the preharvest application of 2,4-D isopropyl ester and 2,4-D 

butoxyethyl ester and from the postharvest application of 2,4-D 

alkanolamine salts and 2,4-D isopropyl ester to Fruit, citrus.

    (2) Tolerances are established for residues of 2,4-D at:



------------------------------------------------------------------------

                                                              Parts per

                         Commodity                             million

------------------------------------------------------------------------

Barley, grain..............................................          0.5

Blueberry..................................................          0.1

Corn, forage...............................................           20

Corn, fresh, sweet, kernel plus cob with husks removed.....          0.5

Corn, grain................................................          0.5

Corn, stover...............................................           20

Cranberry..................................................          0.5

Fruit, stone...............................................          0.2

Grape......................................................          0.5

Grass hay..................................................          300

Grass, pasture.............................................        1,000

Grass, rangeland...........................................        1,000

Hop........................................................         0.05

Millet, forage.............................................           20

Millet, grain..............................................          0.5

Millet, straw..............................................           20

Nut........................................................          0.2

Oat, forage................................................           20

Oat, grain.................................................          0.5

Pistachio..................................................          0.2

Rice, grain................................................          0.1

Rice, straw................................................           20

Rice, wild.................................................          0.1

Rye, forage................................................           20

Rye, grain.................................................          0.5

Sorghum, forage............................................           20

Sorghum, grain.............................................          0.5

Sorghum, grain, stover.....................................           20

Soybean....................................................         0.02

Sugarcane, cane............................................            2

Sugarcane, forage..........................................           20

Wheat, forage..............................................           20

Wheat, grain...............................................          0.5

------------------------------------------------------------------------



    (i) Salts. Residues on all the above may result from application of 

2,4-D in acid form, or in the form of one or more of the following 

salts:

    (A) The inorganic salts: Ammonium, lithium, potassium, and sodium.

    (B) The amine salts: Alkanolamines of the ethanol and isopropanol 

series, alkyl (C-12), alkylk (C-13), alkyl (C-14), alkylamines derived 

from tall oil, amylamine, diethanolamine, diethylamine, 

diisopropanolamine, dimethylamine, N,N-dimethyl-linoleylamine, N,N-

dimethyloleyamine, ethanolamine, ethylamine, heptylamine, 

isopropanolamine, isopropylamine, linoleylamine, methylamine, 

morpholine, octylamine, oleylamine, N-oleyl-1,3-propylenediamine, 

propylamine, triethanolamine, triethylamine, triisopropanolamine, and 

trimethyamine.

    (ii) Esters. Residues on all the above may result from application 

of 2,4-D in acid form, or in the form of one or more of the following 

esters: amyl (pentyl), butoxyethoxypropyl, butoxyethyl, 

butoxypolythylene glycol butyl ether, butoxypropyl, butyl,



[[Page 349]]



dipropylene glycol isobutyl ether, ethoxyethoxyethyl, 

ethoxyethoxypropyl, ethyl, ethoxypropyl, isobutyl, isooctyl (including, 

but not limited to, 2-ethylhexyl, 2-ethyl-4-methylpentyl, and 2-octyl), 

isopropyl, methyl, polyethylene glycol 200, polypropoxybutyl, 

polypropylene glycol, propylene glycol, propylene glycol butyl ether, 

propylene glycol isobutyl ether, tetrahydrofurfuryl, and tripropylene 

glycol isobutyl ether.

    (3) Tolerances are established for negligible residues of 2,4-D from 

application of its dimethylamine salt to irrigation ditch banks in the 

Western United States in programs of the Bureau of Reclamation, U.S. 

Department of Interior; cooperating water user organizations; the Bureau 

of Sport Fisheries, U.S. Department of Interior; Agricultural Research 

Service, U.S. Department of Agriculture; and the Corps of Engineers, 

U.S. Department of Defense. Where tolerances are established at higher 

levels from other uses of 2,4-D on the following crops, the higher 

tolerance applies also to residues from the irrigation ditch bank use 

cited in this paragraph.



The established tolerances follow:



------------------------------------------------------------------------

                                                               Parts per

                          Commodity                             million

------------------------------------------------------------------------

Avocado......................................................   0.1(N)

Cotton, undelinted seed......................................   0.1(N)

Cucurbits....................................................   0.1(N)

Fruit, citrus................................................   0.1(N)

Fruit, pome..................................................   0.1(N)

Fruit, stone.................................................   0.1(N)

Grain, crop..................................................   0.1(N)

Grass, forage................................................   0.1(N)

Hop..........................................................   0.1(N)

Leafy vegetables.............................................   0.1(N)

Legume, forage...............................................   0.1(N)

Nut..........................................................   0.1(N)

Root crop vegetables.........................................   0.1(N)

Seed and pod vegetables......................................   0.1(N)

Small fruit..................................................   0.1(N)

Vegetable, fruiting..........................................   0.1(N)

------------------------------------------------------------------------



    (4) A tolerance is established for residues of 2,4-D sodium salt and 

alkanolamine salts (of the ethanol and isopropanol series), calculated 

as 2,4-D (2,4-dichlorophenoxyacetic acid) as follows:



------------------------------------------------------------------------

                                                               Parts per

                          Commodity                             million

------------------------------------------------------------------------

Asparagus....................................................          5

------------------------------------------------------------------------



    (5) A tolerance is established for residues of 2,4-D from 

application of its alkanolamine salts (of the ethanol and isopropanol 

series) as follows:



------------------------------------------------------------------------

                                                              Parts per

                         Commodity                             million

------------------------------------------------------------------------

Strawberry.................................................         0.05

------------------------------------------------------------------------



    (6) Tolerances are established for residues of 2,4-D from 

application of its dimethylamine salt for water hyacinth control in 

ponds, lakes, reservoirs, marshes, bayous, drainage ditches, canals, 

rivers and streams that are quiescent or slow moving in programs 

conducted by the Corps of Engineers or other Federal, State, or local 

public agencies. Where tolerances are established at higher levels from 

other uses of the dimethylamine salt of 2,4-D on crops included within 

these commodity groups, the higher tolerances also apply to residues 

from the aquatic uses cited in this paragraph. The established 

tolerances follow:



------------------------------------------------------------------------

                                                              Parts per

                         Commodity                             million

------------------------------------------------------------------------

Crops in paragraph (c) of this section.....................          1.0

Crop groupings in paragraph (c) of this section............          1.0

Fish.......................................................          1.0

Shellfish..................................................          1.0

------------------------------------------------------------------------



    (7) [Reserved]

    (8) Tolerances are established for residues of 2,4-

dichlorophenoxyacetic acid (2,4-d) and/or its metabolite, 2,4-

dichlorophenol (2,4-DCP) in food products of animal origin as follows.



------------------------------------------------------------------------

                                                              Parts per

                         Commodity                             million

------------------------------------------------------------------------

Cattle, fat................................................          0.2

Cattle, kidney.............................................            2

Cattle, meat...............................................          0.2

Cattle, meat byproducts, except kidney.....................          0.2

Egg........................................................         0.05

Goat, fat..................................................          0.2

Goat, kidney...............................................            2

Goat, meat.................................................          0.2

Goat, meat byproducts, except kidney.......................          0.2

Hog, fat...................................................          0.2

Hog, kidney................................................            2

Hog, meat..................................................          0.2

Hog, meat byproducts, except kidney........................          0.2

Horse, fat.................................................          0.2

Horse, kidney..............................................            2

Horse, meat................................................          0.2

Horse, meat byproducts, except kidney......................          0.2

Milk.......................................................          0.1

Poultry....................................................         0.05

Sheep, fat.................................................          0.2

Sheep, kidney..............................................            2

Sheep, meat................................................          0.2

Sheep, meat byproducts, except kidney......................          0.2

------------------------------------------------------------------------





[[Page 350]]



    (9) A tolerance is established for residues of 2,4-D from 

applications of its dimethylamine salt or its butoxyethanol ester for 

Eurasian Watermilfoil control in programs conducted by the Tennessee 

Valley Authority in dams and reservoirs of the TVA system as follows:



------------------------------------------------------------------------

                                                              Parts per

                         Commodity                             million

------------------------------------------------------------------------

Fish.......................................................          1.0

------------------------------------------------------------------------



    (10) A tolerance with regional registration as defined in Sec.  

180.1(n) is established for the residues of 2,4-D (2,4-

dichlorophenoxyacetic acid). The tolerance includes residues from the 

application of 2,4-D and its N-oleyl-1,3-propylenediamine salt on the 

following raw agricultural commodity:



------------------------------------------------------------------------

                                                              Parts per

                         Commodity                             million

------------------------------------------------------------------------

Raspberry..................................................          0.1

------------------------------------------------------------------------



    (11) [Reserved]

    (12) The following tolerances are established for residues of 2,4-D 

(2,4-dichloro-phenoxyacetic acid) in the following processed feeds. Such 

residues may be present therein only as a result of application to the 

growing crop of the herbicides identified in this section:

    (i) 5 parts per million in sugarcane bagasse and sugarcane molasses.

    (ii) 2 parts per million in the milled fractions derived from 

barley, oats, rye, and wheat to be ingested as animal feed or converted 

into animal feed.

    (13) Tolerances are established for residues of the herbicide 2,4-D 

(2,4-dichlorophenoxyacetic acid) as follows:

    (i) 5 ppm in sugarcane molasses, resulting from application of the 

herbicide to sugarcane fields.

    (ii) 2 ppm in the milled fractions (except flour) derived from 

barley, oats, rye, and wheat to be ingested as food or to be converted 

to food. Such residues may be present therein only as a result of 

application to the growing crop of the herbicides identified in 40 CFR 

180.142.

    (iii) 0.1 ppm (negligible residue) in potable water. Such residues 

may be present therein only:

    (A) As a result of the application of the dimethylamine salt of 2,4-

D to irrigation ditch banks in the Western United States in programs of 

the Bureau of Reclamation; cooperating water user organizations; the 

Bureau of Sport Fisheries, U.S. Department of the Interior; Agricultural 

Research Service, U.S. Department of Agriculture; and the Corps of 

Engineers, U.S. Department of Defense.

    (B) As a result of the application of the dimethylamine salt of 2,4-

D for water hyacinth control in ponds, lakes, reservoirs, marshes, 

bayous, drainage ditches, canals, rivers and streams that are quiescent 

or slow moving in programs of the Corps of Engineers or other Federal, 

State, or local public agencies.

    (C) As a result of application of its dimethylamine salt or is 

butoxyethanol ester for Eurasian watermilfoil control in programs 

conducted by the Tennessee Valley Authority in dams and reservoirs of 

the TVA system.

    (b) Section 18 emergency exemptions. A time-limited tolerance is 

established for 2,4-dichlorophenoxyacetic acid (2,4-D) in or on wild 

rice in connection with use of the pesticide under a section 18 

emergency exemption granted by EPA. The tolerance will expire on the 

dates specified in the following table.



------------------------------------------------------------------------

                                                             Expiration/

                    Commodity                     Parts per   Revocation

                                                   million       Date

------------------------------------------------------------------------

Wild rice.......................................        0.1     12/31/05

------------------------------------------------------------------------



    (c) Tolerances with regional registrations. [Reserved]

    (d) Indirect or inadvertent residues. [Reserved]



[47 FR 620, Jan. 6, 1982, as amended at 48 FR 2323, Jan 19, 1983; 55 FR 

39408, Sept. 27, 1990; 61 FR 13429, Mar. 27, 1996; 62 FR 46907, Sept. 5, 

1997; 63 FR 34829, June 26, 1998; 64 FR 11799, Mar. 10, 1999; 64 FR 

69409, Dec. 13, 1999; 65 FR 82940, Dec. 29, 2000; 67 FR 10631, Mar. 8, 

2002; 68 FR 2247, Jan. 16, 2003; 70 FR 43309, July 27, 2005]