crop-chem-docs/corpus/epa_ppls/100-638.md

# DUAL 25G GRANULAR HERBICIDE

- EPA Reg No: **100-638**
- Registrant: SYNGENTA CROP PROTECTION, LLC
- Signal word: Caution
- Active ingredients: Metolachlor (25%)
- Label accepted: 1994-08-04
- Source PDF: https://www3.epa.gov/pesticides/chem_search/ppls/000100-00638-19940804.pdf

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PfYl;J3 
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(Front Panel) 
Dual® 25G 
GRANULAR HERBICIDE 
For weed control in corn, peanuts, 
potatoes, and soybeans 
50 Pounds 
Net Weight 
Active Ingredient: 
Metolachlor: 2-chloro-N-(2-ethyl-
6-methylphenyl)-N-~2-methoxy-1-
Ih'9h1t'Cj!l Ie 01 (Df:J 
I··f() 
'i '( 
N {-\ ~ 
metbylethyll acetamide ......................... . 25.0% 
75.0% 
) 
Inert Ingredients: 
Total: 
Product ID. 52600 
Dual 25G is a granular herbicide. 
KEEP OUT OF REACH OF CHILDREN. 
CAUTION 
See additional precautionary statements 
on back of bag. 
EPA Reg. No. 100-638 
EPA Est. 5905-IA-01 
See directions for use on back of bag. 
100.0%

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(Back Panel) 
DIRECTIONS FOR USE AND CONDITIONS OF SALE AND WARRANTY 
IMPORTANT: Read the entire Directions for Use and the 
Conditions of Sale and Warranty before using this product. If 
terms are not acceptable, return the unopened product container 
at once. 
Conditions of Sale and Warranty 
The Directions for Use of this product reflect the opinion of 
experts based on field use and tests. The directions are 
believed to be reliable and should be followed carefully. 
However, it is impossible to eliminate all risks inherently 
associated with use of this product. Crop injury, ineffective­
ness, or other unintended consequences may result because of 
such factors as weather conditions, presence of other materials, 
or the manner of use or application all of which are beyond the 
control of Ciba-Geigy or the Seller. All such risks shall be 
assumed by the Buyer. 
Ciba-Geigy warrants that this product conforms to the chemical 
description on the label and is reasonably fit for the purposes 
referred to in the Djrections for Use subject to the inherent 
risks referred to above. Ciba-Geigy makes no other express or 
implied warranty of Fitness or Merchantability or any other 
express or implied warranty. In no case shall Ciba-Geigy or the 
Seller be liable for consequential. special. or indirect damages 
resultinq from the Ilse or handlinq of this product. Ciba-Geigy 
and the Seller offer this product, and the Buyer and user accept 
it, subject to the foregoing Conditions of Sale and Warranty, 
which may be varied only by agreement in writing signed by a 
duly authorized representative of Ciba-Geigy.

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DIREcrIONS FOR USE _______________________________________________ __ 
It is a violation of federal law to use this product in a manner 
inconsistent with its labeling. 
Do not apply this product in a way that will contact workers or 
other persons, either directly or through drift. Only protected 
handlers may be in the area during application. For any 
requirements specific to your State or Tribe, consult the agency 
responsible for pesticide regulation. 
AGRICULTURAL USE REOUIREMENTS 
Use this product only in accordance with its labeling and with 
the Worker Protection Standard, 40 eFR part 170. This Stan­
dard contains requirements for the protection of agricultural 
workers on farms, forests, nurseries, and greenhouses, and 
handlers of agricultural pesticides. It contains requirements 
for training, decontamination, notification, and emergency as­
sistance. It also contains specific instructions and excep­
tions pertaining to the statements on this label about per­
sonal protective equipment (PPE) and restricted-entry 
interval. The requirements in this box only apply to uses 01 
this product that are covered by the Worker Protection Stan­
dard. 
Do not enter or allow worker entry into treated areas during 
the restricted entry interval (REI) of 12 hours. Exception: 
If the product is soil-injected or soil-incorporated, the 
Worker Protection Standard, under certain circumstances, 
allows workers to enter the treated area if there will be no 
contact with anything that has been treated. 
PPE required for early entry to treated areas that is 
permitted under the Worker Protection Standard and that 
involves contact with anything that has been treated, such as 
plants, soil, or water, is: 
• coveralls over short-sleeved shirt and short pants 
• waterproof gloves 
• shoes plus socks 
L-___________________ ....:....:...._ " 
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fAILURE TILF.QLLOW THE DIRECTIONS FOR USE AND PRECAU'Cl'Q'.JS ON TillS 
LN3EL MAY REJ3J.LLT IN PJ2QR_~EED_J::.QNTROL. CROP INJURY. AND/OR' 
I L~ %AL--!~.E:SI Q1IE~ 
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General Information 
Dual 25G will control many annual grasses and certain broadleaf 
weeds in corn, peanuts, potatoes, and soybeans. It should be 
applied prior to the emergence of weeds. It may be preplant 
surface-applied (corn and soybeans only), or incorporated into 
the surface 1-2 inches of soil before planting or left on the 
soil surface during or after planting. Dry weather following 
application of Dual 25G may reduce its effectiveness. Shallow 
CUltivate if weeds develop or if tillage is necessary to improve 
the physical condition of the soil. 
Precaution; Injury may occur following the use of Dual 25G 
under abnormally high soil moisture conditions during early 
development of the crop. 
Soil Textures and Herbicide Rates 
Where rates are based on coarse-, medium-, or fine-textured 
soils, it is understood that soil textural classes are generally 
categorized as follows; 
Coarse 
Sand 
Loamy sand 
Sandy loam 
Medium 
Loam 
Silt 
Silt loam 
Silty clay loam 
Sandy clay loam 
Silty clay 
Sandy clay 
Clay loam 
Clay 
Within rate ranges in the rate tables and elsewhere on this 
label, use the lower rate on soils relatively coarse-textured or 
low in organic matter; use the higher rate on soils relatively 
fine-textured or high in organic matter. 
Application of other products referenced in this label are per­
mitted only in those states where the referenced product is reg­
istered. 
Weeds Controlled 
barnyardgrass 
(watergrass) 
crabgrass 
crowfootgrass 
fall panicum 
foxtail millet 
giant foxtail 
goosegrass 
green foxtail 
prairie cupgrass 
red rice 
signalgrass 
(Brachiaria) 
southwestern cupgrass 
witchgrass 
yellow foxtail 
yellow nutsedge 
Eastern black nightshade 
carpetweed 
Florida pus ley 
galinsoga 
pigweed 
Weeds Partially Controlled*: common purslane, eclipta,.,' Florida 
beggarweed**, hairy nightshade, sandbur, seedling jnhp,:'\ongral'ls, 
shattercane, volunteer sorghum, wild proso millet, apd,40011y 
cupgrass. 
·Control of these weeds can be f'rratic due partially to vari.able 
weather conditions. Control may be improved by following t~Hse 
suggested procedure5: 
( lEST If'lllBLE CDPf)

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1. Thoroughly till moist soil to destroy germinating and 
emerged weeds. If Dual 25G is to be applied preplant 
incorporated, this tillage may be used to incorporate Dual 
25G if uniform 2-inch incorporation is achieved as 
recommended under Application Procedures. 
2. Plant crop into moist soil immediately after tillage. If 
Dual 25G is to be used preemergence, apply at planting or 
immediately after planting. 
3. If available, sprinkler irrigate within 2 days after appli­
cation. Apply 1/2-1 inch of water. Use lower water volume 
(1/2 inch) on coarse-textured soils and higher volume 
(1 inch) on fine-textured soils. 
4. If irrigation is not possible and rain does not occur 
within 2 days after planting and application, weed control 
may be decreased. Under these conditions, a uniform, 
shallow cultivation is recommended as soon as weeds emerge. 
) **For partial control of this weed, use a minimum of 8 Ibs./A 
and apply preemergence. 
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1 · t· T·· App ~ca ~on~m~n9 
Preplant Surface-Applied: For minimum tillage or no-tillage 
systems only. Dual 25G alone may be applied up to 45 days 
before planting certain crops. Use only split applications for 
treatments made 30-45 days before planting, with 2/3 of the rec­
ommended broadcast rate for the crop and soil texture applied 
initially and the remaining 1/3 at planting. Treatments less 
than 30 days before planting may be made as either a split or a 
single application. If weeds are present at the time of treat­
ment, apply a labeled contact herbicide (for example, Gramoxone® 
Extra or Roundup®). Observe directions for use, precautions, 
and restrictions on the label of the contact herbicide. To the 
extent possible, do not move treated soil out of the row or move 
untreated soil to the surface during planting, or weed control 
will be diminished. 
Preplant Incorporated: Apply Dual 25G to the soil and incorpo­
rate into the top 2 inches of soil within 14 days before 
planting using a finishing disk, harrow, rolling cultivator, or 
similar implement capable of providing uniform 2-inch incorpora­
tion. Use a preplant incorporated application if furrow irriga­
tion is used or when a period of dry weather after application 
is expected. If crop will be planted on beds, apply and incor­
porate Dual 25G after bed formation unless specified otherwise. 
Preemergence: Apply Dual 25G during planting (behind the 
planter) or after planting, but before weeds or crops emerge. 
Fall Application renly in WI. MN. NM. SP. North of Route 20 in V' 
the states 'Jf IL and ~E and North of Route 30 in the state of 
IAI; Following crop harvest, apply Dual 25G to crop stubble 
after October 15, but before ground freezes. Use on medium and

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fine soils with greater than 2.5% organic matter that will be 
planted to corn or soybeans the next spring. Ground may be 
tilled before or after application. Do not exceed a two inch 
incorporation depth if tilled after treatment. ~: If making 
a fall application, do not make a subsequent application of Dual 
25G in the spring. 
Application Procedures 
Dual 25G may be applied either broadcast or banded. Do not 
apply Dual 25G during periods of high winds. Wind may disrupt 
placement of the granules and reduce weed control. Locate 
granular diffusers as close to the ground as possible. Wind­
shield attachments are advisable. 
Pneumatic (Compressed Air) Broadcast Application (Dual 25G 
Alone): Dual 25G may be applied through pneumatic dry fertil­
izer applicators which are equipped with special on-board herbi-
cide metering bins. These metering units must be properly cali­
brated with Dual 25G prior to use. The placement of the 
granules in the applicator's distribution system should be 
designed to minimize segregation of the granules from the dry 
fertilizer materials. 
Precautions: Dual 25G should never be blended with other pesti­
cide formulations for application through on-board metering 
bins. Dual 25G should never be blender-mixed with liquid or dry 
fertilizer materials for broadcast pneumatic application. 
Broadcast Application ("Cyclone" or "Spinner" Type Spreaders) : 
Dual 25G may be applied with a broadcast type (spinner) granular 
applicator or with a cyclone type spreader. Use applicators and 
techniques that will apply the granules uniformly to the soil. 
Do not blend Dual 25G with other pesticides or fertilizers. 
Always calibrate the device with Dual 25G prior to use. 
Band Treatment: Dual 25G may be applied with any standard 
) granular applicator capable of uniformly distributing a 
predetermined amount of granules to a desired area. Band treat­
ment made at seeding should only be applied behind the press 
wheel. 
Notes: Caution should be taken with seeding equipment so that 
any track (soil depression) made by the planter press wheel is 
minimal-. This will reduce concentration of granules in the 
press wheel track by heavy rain which can result in crop injury. 
Soil tillage should not follow the use of band applications 
unless it is adapted so as not to displace the band and hence 
reduce weed control in the band. In reduced tillage systems, 
injury may occur if the planter slit is not properly closed 
during planting. 
Applicator settings are given for band applications in Chart 1. 
These settings were determined under laboratory conditions to 
±5% accuracy. Note that the settings may differ depending on 
speed of application, as well as rate per acre. It~ importan.t 
that the user calibrate each individual granular applicator

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before its use. Since the actual setting for each individual 
granular applicator may vary, the settings shown should serve 
only as guidelines for calibration. 
Calculate the amount of Dual 25G needed for band treatment as 
follows: 
Band width in inches X Broadcast rate 
Row spacing in inches per acre 
Band rat.e per 
acre 
Example: If 16 lbs. per acre is recommended for br0adcast 
application and you wish to treat a band 14 inches wide in crop 
rows spaced 30 inches apart: 
14/30 X 16 = 7.5 lbs. of granules needed 
for each acre that is to 
be treated

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Rate for 14" Band Width Per 1,000 Linear Ft. 
2.6 oz. 3.4 oz. 14.3 oz. 15.1 oz. 16.4 oz. 
Equivalent Broadcast 
Rate Per Acre 
Speed 
Applicator MPH 6 Ibs. 8 Ibs. 10 1bs. 12 Ibs. 6 Ibs. 
Gandy 4 8.6 9.7 11.0 12.2 13.4 
Two Openings 5 g.5 11.0 12.4 13.4 15.0 
for 14" Band 6 10.5 12.3 13.4 14.6 16.5 
Model No. S-902 
John Deere 
7200 and 7300 4 10 12 13 14 17 
MaxEmerge® 2 5 12 13 14 17 21 
6 13 14 17 20 25 
White 6100 Series 
John Deere 
7000 and 7100 4 5 7 8 9 11 
Max-Emerge® 5 6 8 9 11 12 
Meter Scale 6 7 9 11 12 14 
0 .. 15 .. 25 .. etc. 
John Deere 
7000 and 7100 4 7 8 10 11 14 
Max-Emerq~~ 5 8 10 11 14 17 
Meter Scale 6 9 11 14 16 20 
O .. 10 .. 20 .. etc. 
I'oble (Remcor) 
1973 - Present 4 3 4 5 6 7 
5 4 5 6 7 8 
White 5100 Series 6 5 6 7 8 10 
Deutz All ".s 
1985 - Present 
Noble 4 3 4 6 7 9 
1972 & Before 5 4 6 8 9 10 
6 5 7 9 10 13 
Allis Cha:l.mers 
1979 - 1985 4 0.60 0.73 0.80 0.87 0.98 
5 0.68 0.80 0.90 o. ga 1.18 
International Harvester 6 0.76 0.87 0.98 1.13 1.50 
1980 & Before 
International Harvester 
1981 - 1985 4 1. 52 1. 60 1. 65 1. 72 1. 85 
5 1. 58 1. 65 1. 74 1. 85 2.10 
Case IH 6 1. 62 1.71 1. 85 2.05 2.45 
~985 - Present 
*Settings are for application of the equivalent broadcast rates 
per acre indicated in a 14-inch band at speed (miles pe Y hour) 
shown. If other than a 14-inch band is to be used, these set­
tings do not apply and additional calibration will be necessary.

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Calibration of Band Applicat~ 
To calibrate a granular applicator for a sta~dard l4-inch band, 
a s'lmple has to be collected while the appli('ator is either run­
ning or simulating a run over a distance of 500 ft. 
Procedure 
1. Fill applicator box with Dual 25G. 
2. Refer to Chart 1 and adjust the setting on your applicator 
to correspond to the desired rate per acre. 
3. Attach a plastic bag or similar container to the applicator 
spout after detaching the delivery tube. 
4. Make the SOO-ft. run at planting speed. 
speed/Time required to cover 500 ft: 
4 mph = 1 min. 25 sec. 
5 mph = 1 min. 8 sec. 
6 mph = 57 sec. 
5. Weigh granules collected (or measure volume) and, if neces­
sary, adjust and make successive runs until the setting 
delivers the correct number of ounces per 500 ft. of row, 
as shown in Chart 2. 
6. Repeat this procedure for each granular applicator box. 
Weight for 500 Ft. on the Basis of a 
Broadcast Rate 
Per Acre 
6 lbs. 
8 lbs. 
10 lbs. 
12 lbs. 
16 lbs. 
Volume Collected 
in 14-Inch Band 
500 Linear Ft. 
1.6 fl. oz. 
2.2 fl. oz. 
2.0 fl. oz. 
3.2 fl. oz. 
4.5 fl. oz. 
14 - Inch Band 
Weight Collected 
in l4-Inch Band 
500 Linear Ft. 
1.3 oz. 
1.7 oz. 
2.2 oz. 
2.6 oz. 
3.5 oz. 
For band widths other than 14 inches, the calibration distance 
will differ from 500 ft. 
For other band widths, calculate the relative calibration dis­
tance in which to collect the corresponding weight or volume of 
Dual 25G in Chart 2 as follows: 
14 (Inches) X 500 = Calibration distance 
Desired Band Width (Inches) in ft. 
~xample: A band width of 10 inches is to be used, instead of 
14 inches, to apply Dual 25G at an equivalent rate of 
10 lbs./broadcast acre. 
A. 14 Inches X 500 ft = 700 ft. 10 Inclles . 
B. Collect 2.8 fl. oz. by volume or 2.15 oz. by weight for the 
newly calculated calibration distance of 700 ft. for a 10-
inch band. 
(l~ ,70

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Corn 
For control of annual grasses and broadleaf weeds listed unier 
the General Information section, apply Dual 25G either prepj.ant 
surface, preplant incorporated, or preemergence to corn before 
weeds emerge. For extended control of annual weeds, Dual 25G 
may be applied to weed free soil at the time of the last culti­
vation (lay-by application) as either a surface or shallow 
incorporated treatment. Follow instructions for use 01' Dual 25G 
under APplication Timing. 
Preplant Surface-Applied: 
(a) Fall APplication (Only in WI. MH. NO. SO. North of Route 20 
in the states of IL and NE and North of Route 30 in the 
state of IAI. After October 15, apply to crop stubble after 
crop harvest. In minimum-till or no-tillage systems on 
soils having greater than 2.5% organic matter, use 10-
12 lbs./A on medium-textured and 12 lbs./A on fine-textured 
soils. Apply before ground is frozen. A tillage operation 
may precede the application. A fall and/or a spring tillage 
may follow application, but do not exceed an incorporation 
depth greater than 2-3 inches. Minimize furroil and ridge 
formation in the tillage operations. ~: If making a 
fall application, do not make a subsequent application of 
Dual 25G in the spring. 
(b) Use on medium- and fine-textured soils with minimum-tillage 
or no-tillag~ systems in CO, lA, IL, IN, KS, KY, MN, MO, MT, 
ND, NE, SD, TN, WI, and WY. Apply 2/3 of the recommended 
broadcast rate of Dual 25G from Table 1 as a split treatment 
30-45 days before planting and the remainder immediately be­
fore planting, or at planting. Applications less than 30 
days before planting may be made either as a split or as a 
single treatment. Apply 8 lbs./A on coarse soils not more 
than 2 weeks before planting. If weeds are present at the 
time of treatment, apply a labeled contact herbicide (for 
example, Gramoxone Extra or Roundup). Observe the direc­
tions for use, precautions, and restrictions on the label of 
the contact herbicide. To the extent possible, do not move 
treated soil out of the row or move untreated soil to the 
surface during planting, or weed control will be diminished. 
To avoid reduced weed control, do not apply to frozen soil 
as rainfall may change the pattern of the Dual 25G granules. 
Injury may occur from movement of Dual 25G into the planter 
slit if the slit is not properly closed during planting. 
'~) On medium- and fine-textured soils with minimum- or no­
tillage systems in DE, MD, MI, NY, OH, PA, VA, and WV, 
preplant surface applications may be applied follow~ng the 
directions for use above. If the amount of rainfall results 
in unsatisfactory length of weed control following the ear­
lier treatment, a postemerg~nce application of an appropri­
ately labeled broadleaf and/or grass weed herbicide could be 
used, i.e., AAtrex®, Accent®, 2,4-0, Banvel®, Basagran®,

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Beacon®, Bicep or bromoxynil (Brominal® or Buctril®) . 
Observe all directions for use, precautions, and limitation~ 
on the label of the postemergence herbicide. 
Preplant Incorporated: Using the appropriate rate from Table 1, 
broadcast Dual 25G to the soil and incorporate within the sur­
face 1-2 inches of soil within 14 days before planting using 
appropriate surface incorporating equipment such as a finishing 
disk, harrow, rolling cultivator, or similar implement capable 
of providing uniform incorporation. 
Preemergence: Band or broadcast Dual 25G to the soil surface 
during or after planting and before weeds emerge using the 
appropriate rate from Table 1. For band treatment, apply 
granules behind the press wheel. In reduced tillage systems 
injury may occur from ~ovement of Dual 25G into the planter slit 
if the slit is not prQperly closed during planting. 
Lay-by (Last Cultivation) Application: Apply the appropriate 
rate of Dual 25G from Table 1 on a broadcast basis at lay-by. 
Applications should be made before the corn p13nts exceed 
40 inches in height. The soil should be free of weeds at the 
time of application, and the granules either left on the surface 
or shallowly incorporated into the soil. Use an application 
method that will not allow granules to get into the corn whorl. 
This application of Dual 25G may follow any preplant or preemer­
gence herbicide applic~tion including those made with Dual 25G 
or a Dual EC formulation. 
Note for all applications to corn: To avoid possible illegal 
residues, do not graze or feed forage from treated acres fcr 30 
days following application.

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Soil Texture 
COARSE 
Sand, loamy sand, 
sandy loam 
MEDIUM 
Loam, silt loam, 
silt 
FINE 
Silty clay loam, 
sandy clay loam 
silty clay, 
sandy clay, 
clay loam, 
clay 
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~ __ ~B~r~o~adcast Rate Per Acre 
Less Than 3% 
Organic Matter 
6-8 lbs. 
8-10 lbs. 
8-10 lbs. 
3-6%* 
organic Matter 
8 lbs. 
8-10 lbs. 
10-12 li..'S. 
---------------~--------------~~----------------Muck or peat soils DO NOT USE 
*Dual 25G may be used up to 16 lbs./A, broadcast bas~s, on 
soils having an organic matter content between 6 and 20%. 
**Dual 25G may be used sequentially in place of Dual EC for­
mUlations with AAtrex, AAtrex + Lorox®, AAtrex or Princep® + 
Prowl®, Bladex®, or Banvel applied at the tank-mix rate 
specified on the respective product labels. 
Notes: (1) In the event of escape of annual weeds following a 
preplant surface, preplant incorporated, or preemergence treat­
ment of Dual 25G, follow with a postemergence application of an 
appropriately labeled broadleaf and/or grass herbicide, i.e., 
AAtrex, Accent, Basagran, Beacon, Bicep, Brominal®, Buctril, 
Banvel or 2,4-0. (2) Do not apply more than the equivalent of 
24 lbs. of Dual 25G per acre uuring anyone year, or illegal 
residues may result. This includes both Dual 25G and Dual EC 
formulatlons (1 pt. of a Dual EC formulation is equivalent to 4 
lbs. of Dual 25G) .

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~aLLu~t~s ______________________ _ 
Dual 25G Single Applications - All Peanut-Growing Areas 
Apply Dual 25G either preplant incorporated, postplant incorpo­
rated, preemergence, or lay-by, using the appropriate rate 
specified below. Preplant Incorporated or Preemergence: Follow 
instructions for use of Dual 25G under Application Timing. 
Postplant Incorporated: Broadcast or band Dual 25G to the soil 
surface and shallowly incorporate into the soil after planting, 
but before peanut germination. Incorporation depth and incorpo­
rating implements must be kept above the seed or seed will be 
damaged. Lay-by: Broadcast or band Dual 25G to the soil sur­
face after the last normal cultivation. Do not apply when pea­
nuts are wet with dew or rain. 
Apply Dual 25G preplant incorporated, postplant incorporated, 
preemergence, or lay-by at a broadcast rate of 6-8 Ibs./A in the 
Southeast* or 5-8 Ibs./A in NM, OK, and TX. 
) *In the Southeast, use 8-12 Ibs./A and apply preemergence for 
partial control of Florida beggarweed. 
) 
Notes: (1) Dual 25G may be applied as directed after any of the 
following prep1ant incorporated herbicides when used according 
to their label recommendations: Balan® at 3-4 qts./A; Treflan® 
at 1 pt./A; or Vernam® at 2.3-1 pts./A. (2) Pursuit® may be 
applied sequentially after Dual 25G. Refer to the Pursuit label 
for use directions and use in accordance with the more restric­
tive label. 
Dual 25G Multiple Applications - Southeast Only (AL. FL. GA. NC. 
SC, VAl 
Where weed pressure is heavy or where species difficult to con­
trol are expected, Dual 25G is most effective when used as 
follows: 
1st Application: Apply Dual 25G preplant incorporated as 
directed under Dual 25G Single Applications. A Dual EC formula­
tion may be substituted as directed on that label. 
2nd Application: Broadcast or band Dual 25G at any time from 
preemergence up to "ground cracking" at 6-12 Ibs./A for control 
of weeds 'lot yet emerged. Refer to General Information for a 
list of weeds controlled. 
3rd Application: Apply Dual 25G lay-by as directed under Qyal 
25G Single Applications. Use only when late germinating weeds 
are exp2cted to be a problem. Refer to .G.eneral Information for 
a list of weeds controlled. 
Notes: (1) Do not apply mo~e than the equivalent of 24 Ibs. of 
Dual 25G per acre during anyone year, or illegal residues may 
result. This includes both Dual 25G and Dual EC formulations (1 
pt. of a Dual EC formulation is equivalent to 4 lbs. of Dual 
25G. (2) Do not graze or feed peanut forage or fodder to live­
stock for 30 days following application, and (3) Do not a~ply 
within 90 days of harvest, ()r illegal residues may result.

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-----------------Soybeans 
For control of annual grasses and broadleaf weeds listed under 
the General Information section, apply Dual 25G either preplant 
su~face, preplant incorporated, or preemergence to soybeans 
before \leeds emerge. Follow instructions for use of Dual 25G 
under Application Timing. 
Preplant Surface-~lied: 
(a) Fall Application (Only in WI. MN. NO. SD. North of Route 20 
in the states of IL and NE and North of Route 30 in the 
state of IAJ. After October 15, apply to crop stubble after 
crop harvest. In minimum-till or no-tillage systems on 
soils having greater than 2.5% organic matter, use 10-
12 lbs./A on medium-textured and 12 Ibs./A on fine textured 
soils. Apply before ground is frozen. A tillage operation 
may precede the application. A fall and/or a spring tillage 
may fOllow application, but do not exce~d an incorporation 
depth greater than 2-3 inches. Minimize furrow and ridge 
formation in the tillage operations. 
~: If making a fall application, do not make a subse­
quent applicat-.ion of Dual 25G in the spring. 
(b) Use on medium- and fine-textured soils with minimum-tillage 
or no-tillage systems in CO, DE, IA, IL, IN, KS, KY, MD, MI, 
MN, MO, MT, ND, NE, NY, OR, PA, SD, TN, VA, WI, WV, and WY. 
Apply 2/3 of the recommended rate of Dual 25G from Table 2 
as a split treatment 30-45 days prior to planting and the 
remainder at planting. Applications made less than 30 days 
before planting may be as either a split or a single treat­
ment. Apply 8 lbs./A on coarse soils not more than 2 weeks 
prior to planting. If weeds are present at the time of 
treatment-. , apply a labeled contact herbicide (for example, 
Gramoxone Extra or Roundup). Observe the directions for 
use, precautions, and restrictions on the label of the con­
tact herbicide. To the extent possible, do not move treated 
soil out of the row or move untreated soil to the surface 
during planting, or weed control will be diminished. To 
avoid reduced weed control, do not apply to frozen soil as 
rainfall may change the pattern of the Dual 25G granules. 
Injury may occur from movement of Dual ~5G into the planter 
slit if the slit is not properly closed during planting. 
Preplant Incorporated: Using the appropriate rate from Table 2, 
broadcast Dual 25G to the soil surface and incorporate in the 
top 2 inches of soil within 14 days before planting using a 
finishing disk, harrow, rolling cultivator, or similar implement 
capable of providing uniform incorporation. 
Preemergenc~: Band or broadcast Dual 25G to the soil surface 
during or after planting and before weeds emerge using the 
appropriate rate from Table 2. For band treatment, apply gran­
ules behind the press wheel. In reduced-tillage systems, injury

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may occur from movement of Dual 25G into the planter slit if the 
slit is not properly closed during planting. 
Table 2: Dual 25G - Soybeans* 
Broadcast Rate Per Acre 
Less Than 3% 3-6%** 
Soil Texture Organic Matter Organic Matter 
COARSE 
Sand, loamy sand, 6-8 lbs. 8 lbs. 
sandy loam 
MEDIUM 
Loam, silt loam, 8-10 lbs. 8-10 lbs. 
silt 
FINE 
Silty clay loam, 
sandy clay loam, 8-10 lbs. 10-12 Ibs. 
silty clay, 
sandy clay, 
clay loam, 
clay 
Muck or peat soils DO NOT USE 
*Dual 25G may be used sequentially in place of Dual EC formula­
tions with Sencor®/Lexone®, Lorox, Treflan, Scepter®, Lorox 
Plus®, Gemini®, Canopy®, PrevieW®, Command®, Sonalan®, or 
Pursuit applied at the tank-mix t:ate specified on the respective 
product labels. 
**Dual ·Z5G may be used up to 16 lbs./A on soils having an 
organic matter content between 6% and 20%. 
~: Do not apply more than the equivalent of 16 lbs. of Dual 
25G per acre during anyone year, or illegal residues may re­
sult. This includes both Dual 25G and Dual EC formulations (1 
pt. of a uual EC formulation is equivalent to 4 lbs. of Dual 
2.':iG) .

) 
-16-
PQt.atoes 
Apply Dual 2SG either incorporated, preemergence, or after 
hilling/lay-by according to the directions specified below for 
control of weeds listed under the General Information section. 
within a rate range, use the lower rate on soils relatively 
coarse-textured or low in organic matter; use the higher rate on 
soils relatively fine-textured or high in organic matter. 
Effectiveness will be reduced if later cultural practices expose 
untreated soil. 
Incorporated: Apply Dual 2SG at 6-12 lbs./A to the soil and 
incorporate int.o the top 3 inches before planting using a 
finishing disk, harrow, rolling cultivator, or similar imple­
ment. Planting and later cultural practices should not bring 
untreated soil to the surface. Postplant incorporated applica­
tion may be made any time after planting to drag-off, but before 
potato emergence. Incorporate using an implement that distrib­
utes Dual within the top 1-2 inches of soil. Do not damage 
potato seed pieces or sprouts with incorporation equipment. 
Preemergence: Apply Dual 2SG at 6-12 lbs./A either after plant­
ing as a preemergence, delayed preemergence, after drag-off or 
hilling treatment, but before weeds emerge. Up to 16 lbs./A of 
Dual 2SG alone may be used where soil organic matter is between 
6% and 20%. 
After Hilling/Lay-by: Apply Dual 2SG at 10 lbs./A afte~ 
hilling/at lay-by to control Dual-sensitive weeds for remainder 
of the growing season. This application will not control 
emerged weeds. It may be applied over a previous Dual 2SG 
application, bu~ do not apply more than 22 lbs. of Dual 2SG per 
acre in a :'.ingle crop season. 
Precautions; II) Do not use on muck or peat soils. (2) If 
cool. wet soil conditions occur after application. Dual may 
delay maturity and/or reduce yield of Superior and other early 
maturing potato varieties. To avoid crop injury. (3) Do not use 
on sweet potatoes or yams. (4) Do not apply both preemergence 
and incor?orated treatments. and IS) Do not use in Kern County. 
~ 
Note: To avoid illegal residues, potatoes treated with Dual 2SG 
should not be harvested within 60 days after ~he at-planting to 
drag-off application, or within 40 days afteI: a lay-by applica­
tion. 
Rotational Crops 
(1) If crop treated with Dual 2SG ~.s lost, any crop on this 
label may be replanted immediately. Do not make a second broad­
cast application of Dual 2SG. If the original application was 
banded and the second crop is planted in the untreated row 
middles, a second banded treatment may be applied. (2) Barley, 
oats, rye, or wheat may be planted 4 1/2 months following appli­
cation; alfalfa may be plarlted 4 months following application. 
Tomatoes may be planted h months following application. (3) Any 
crop on this label in adliition to COlton, cabbage, peppers, pod

--------------------------------------------------------~ 
) 
) 
-17-
crops, safflower, grain sorghum*, stone fruits, tree nuts, root 
crops, tobacco, barley, buckwheat, milo, oats, rice, rye, and 
wheat may be planted in the spring following treatm€ ,to Clover 
may be seeded 9 months following application. Do not graze or 
feed forage or fodder from cotton to livestock. All other rota­
tional crops may be planted 12 months after application. 
(4) Any crop on this label, in addition to cotton, cabbage, pep­
pers, tobacco, pod crops, safflower, grain sorghum*, stone 
fruits, and tree nuts, may be planted in the spring following a 
lay-by treatment or multiple treatments applied the previous 
season. All other rotational crop~ may be planted 12 months 
after a lay-by application. 
*provided the seed has been properly treated with Cvncep® seed 
protectant. 
Important Notes: To avoid injury to rotational alfalfa or 
clover, (1) Do not apply more than 3 lbs. ai of metolachlor (12 
1bs. Dual 25G) either preplant surface, preplant incorporated, 
preemergence, or postplant incorporated, and (2) Do not make a 
lay-by or after-hilling application of Dual 25G. 
Storage and Disposal 
Pesticide Storage and Disposal 
Store in a dry place. Do not contaminate water, food, or feed 
by storage, disposal, or cleaning of equipment. Open dumping is 
prohibited. Improper disposal of unused pesticide, spray mix­
ture, or rinsate is a violation of federal law. If these wastes 
cannot be used according to label instructions contact your 
State Pesticide or Environmental Control Agency, or the 
Hazardous Waste representative at the nearest EPA Regional 
Office for guidance in 9roper disposal methods. 
Container Disposal 
Completely empty bag into application equipwent. Dispose of 
empty bag in a sanitary landfill, or by incineration or, if 
allowed by state and local authorities, by burning. Stay out of 
smoke from burning bags. 
For minor spills, follow all precautions indicated on this label 
and clean up immediately. Take special care to avoid contamina­
tion of equipment and facilities during cleanup procedures and 
disposal of wastes. In the event of a major spill, fire, or 
other emergency, call 1-800-888-8372 day, or night.

) 
) 
-18-
Precautionary Statements 
Hazards to Humans and Domestic Animals 
CAUTION 
The active ingredient, metolachlor, may cause skin sensiti­
zation reactions in certain individuals. Harmful if swal­
lowed, inhaled, or absorbed through the skin. Avoid breath­
ing dust. Causes eye irritation. Avoid contact with eyes, 
skin, or clothing. Do not contaminate food or feed. 
Statement of Pract;i,cal Treatment: 
If in eyes: 
If on skin: 
If ;i,nnaled: 
If ~wallowed: 
Flush with plenty of water. Call a physi­
cian if irritation persists. 
Wash with plenty of soap and water. Get 
medical attention if irritation persists. 
Move to fresh air. Get medical attention. 
Call a physician or Poison Control Center. 
Drink 1 or 2 glasses of water and induce 
vomiting by touching back of throat with 
finger. Do not induce vomiting or give any­
thing by mouth to an unconscious person. 
Personal Protective Equipment 
Applicators and other handlers ruust wear: 
• Coveralls over short-sleeved shirt and short pants 
• Waterproof gloves 
• Shoes plus socks 
Follow manufacturer's Llstructions for cleaning/maintainin9 
PPE. If no such instructions for washables, use detergenc 
and hot water. Keep and wash PPE separately from other 
laundry. 
Oaer.Safety RecgmmendatioDS 
Users should: 
• Wash hands before eating, drinking, chewing gum, using 
tobacco, or using the toilet. 
Iv 120

-19-
Environmental Hazards 
Cover or incorporate granules that are spilled during load­
ing or are visible on soil surface in turn areas. Do not 
apply directly to water, to areas where surface water is 
present, or to intertidal areas below the mean high water 
mark. Do not contaminate water when disposing of equipment 
wash waters. 
Groundwater and Surface Water AdvisQry 
Metolachlor has been identified in limited sampling of 
ground water and there is the possibility that it may leach 
through the soil to ground water, especially where soils 
are coarse and ground water is near the surface. Following 
application and during rainfall events that cause r~noff, 
metolachlor may -each surface water bodies including 
streams, rivers, and reservoirs. 
Care must be taken when using this product to prevent spills 
or improper disposal of excess pesticide granules. 
AAtrex®, Beacon®, Bicep®, Concep®, Dual® and Princep® trademarks 
of Ciba-Geigy Corporation - u.S. Patent No. 4,478,635 
Balan®, Sonalan® and Treflan® trademarks of DowElanco 
Banvel® trademark of Sandoz Ltd. 
Basagran® trad~mark of BASF Company 
Accent®, Bladex®, Canopy®, Gemini®, Lexone®, Lorox®, Lorox 
Plus®, and PrevieW® trademarks of E. I. duPont de Nemours and 
Company, Inc. 
Brominal® and Buctril® trademarks of Rhone-Poulenc Ag Company 
) Command® trademark of FHC Corporation 
Gramoxone® and Vernam® trademarks of Zeneca Ag Products 
Max-Emerge® and Maxemerge® trademark of John Deere Company 
Prowl®, Pursuit®, and Scepter® trademarks of American Cyanamid 
Roundup® trademark of Monsanto Company 
Sencor® trademark of the Parent Company of Farbenfabriken Bayer 
GmbH, Leverkusen 
e1994 Ciba-Geigy Corporation 
Ciba Crop Protection 
Ciba-Geigy Corporation 
Greensboro, North Carolina 27419 
eGA 49L23 (DRAFT) - multi-wall bag 
eGA 49L34 (DRAFT) - metallized sack 
Febru;uy 4, 1987 
Revised ,June 15, 1987 -
Meto1achlor Reg. Standard 
./

-20- J~ ~ JO 
1/ 
Revised August 8, 1988 
Farmland's est. • 
Revised September 12, 1988 
Adding rotational 
alfalfa & clover 
Revised Septmeber 7, 1990 -
adm. amendments 
Revised April 12, 1991 - add 
rotational tobacco 
Revised March 13, 1992 -
administrative amendments 
Revised May 21, 1992 -
rotation to tomatoes 
) Revised August 4, 1993 - WPS 
Revised March, 1994 
adm. amendments 
Revised ~uly, 1994 
Fall application 
geographic limitations 
[GANNONC.LABELD]DUA25G-B - 7/19/94 
)