[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: 40CFR180.142]

[Page 357-360]
 
                   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-di chlor o phe noxy 
ace tic 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
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
Rye, forage.................................................       20
Rye, grain..................................................        0.5
Sorghum, forage.............................................       20
Sorghum, grain..............................................        0.5
Sorghum, grain, stover......................................       20
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.

[[Page 358]]

    (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, di ethyl a mine, di iso pro 
pan o la mine, di methyl a mine, N,N-di methyl-lin oleyla mine, N,N-di 
methyl oley a mine, eth an o la mine, ethyl a mine, hep tyl a mine, is o 
pro pa nola mine, iso pro pyla mine, lin oleyl a mine, methyl a mine, 
mor pho line, oc tyl a mine, oleyl a mine, N-oleyl-1,3-pro pyl enedi a 
mine, pro pyl a mine, tri eth anol a mine, tri ethyl a mine, tri iso pro 
pan ol a mine, and tri methy a mine.
    (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, bu tox y ethyl, bu tox y poly 
thy lene gly col bu tyl eth er, bu tox y pro pyl, bu tyl, di pro py lene 
gly col iso bu tyl eth er, eth oxy eth oxy ethyl, eth oxy ethoxy pro 
pyl, ethyl, eth oxy pro pyl, iso bu tyl, iso octyl (including, but not 
limited to, 2-ethyl hexyl, 2-ethyl-4-meth yl pentyl, and 2-octyl), iso 
pro pyl, methyl, poly ethyl ene gly col 200, poly pro poxy bu tyl, poly 
pro pyl ene gly col, pro pyl ene gly col, pro pyl ene gly col bu tyl 
ether, pro pyl ene gly col iso butyl ether, tet ra hy dro fur furyl, and 
tri pro pyl ene gly col iso bu tyl 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 
al ka nola mine salts (of the eth a nol and iso pro panol series), 
calculated as 2,4-D (2,4-di chlor o phen oxy ace tic 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-

[[Page 359]]

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

    (9) A tolerance is established for residues of 2,4-D from 
applications of its dimethylamine salt or its bu toxy eth a nol es ter 
for Eu ra sian Water mil foil 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) A tolerance that expires on December 31, 2004 is established 
for residues of the herbicide 2,4-D (2,4-dichlorophenoxyacetic acid) 
resulting from the preplant use of 2,4-D ester or amine in or on the raw 
agricultural commodity as follows:

------------------------------------------------------------------------
                                                             Expiration/
                    Commodity                     Parts per   Revocation
                                                   million       Date
------------------------------------------------------------------------
Soybean, seed...................................       0.02     12/31/04
------------------------------------------------------------------------

    (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 
butoxy ethanol ester for Eurasian watermilfoil

[[Page 360]]

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 ppm     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]