crop-chem-docs/corpus/epa_ppls/279-3569.md

# RHYTHM HERBICIDE

- EPA Reg No: **279-3569**
- Registrant: FMC CORPORATION 
- Signal word: Warning
- Active ingredients: Sodium salt of fomesafen (22.1%)
- Label accepted: 2014-12-17
- Source PDF: https://www3.epa.gov/pesticides/chem_search/ppls/067760-00094-20141217.pdf

---
UNITED STATES ENVIRONMENTAL PROTECTION AGENCY 
 WASHINGTON, DC 20460 
 
 
 
 
Fast Track Label Acceptable v.20141114 
OFFICE OF CHEMICAL SAFETY 
AND POLLUTION PREVENTION 
December 17, 2014 
 
Jennifer L. DeCarlo 
Registration Manager 
Cheminova, Inc 
1600 Wilson Blvd., Suite 700 
Arlington, VA 22209 
 
Subject: Label Amendment – Adding Combustible Statement 
 Product Name: Rhythm Herbicide 
 EPA Registration Number: 67760-94 
 Application Date: July 14, 2014 
 Decision Number: 493934 
 
Dear Ms. DeCarlo: 
 
The amended label referred to above, submitted in connection with registration under the Federal 
Insecticide, Fungicide and Rodenticide Act, as amended, is acceptable. This approval does not 
affect any conditions that were previously imposed on this registration. You continue to be 
subject to existing conditions on your registration and any deadlines connected with them. 
 
A stamped copy of your labeling is enclosed for your records. This labeling supersedes all 
previously accepted labeling. You must submit one copy of the final printed labeling before you 
release the product for shipment with the new labeling. In accordance with 40 CFR 152.130(c), 
you may distribute or sell this product under the previously approved labeling for 18 months 
from the date of this letter. After 18 months, you may only distribute or sell this product if it 
bears this new revised labeling or subsequently approved labeling. “To distribute or sell” is 
defined under FIFRA section 2(gg) and its implementing regulation at 40 CFR 152.3. 
 
Should you wish to add/retain a reference to the company's website on your label, then please be 
aware that the website becomes labeling under the Federal Insecticide Fungicide and Rodenticide 
Act and is subject to review by the Agency. If the website is false or misleading, the product 
would be misbranded and unlawful to sell or distribute under FIFRA section 12(a)(1)(E). 40 
CFR 156.10(a)(5) list examples of statements EPA may consider false or misleading. In 
addition, regardless of whether a website is referenced on your product's label, claims made on 
the website may not substantially differ from those claims approved through the registration 
process. Therefore, should the Agency find or if it is brought to our attention that a website 
contains false or misleading statements or claims substantially differing from the EPA approved 
registration, the website will be referred to the EPA's Office of Enforcement and Compliance. 
 
Your release for shipment of the product constitutes acceptance of these conditions. If these 
conditions are not complied with, the registration will be subject to cancellation in accordance

Page 2 of 2 
EPA Reg. No. 67760-94 
Decision No. 493934 
 
 
with FIFRA section 6. If you have any questions, please contact Grant Rowland by phone at 703-
347-0254, or via email at Rowland.Grant@epa.gov. 
 
 
Sincerely, 
 
 
 
 Kathryn Montague, Product Manager 23 
 Herbicide Branch 
Registration Division (7505P) 
Office of Pesticide Programs

Rhythm® Herbicide
For Control of Weeds in Soybeans 
ACTIVE INGREDIENT:
Sodium salt of fomesafen: 5-[2-chloro-4-(trifluoromethyl)phenoxy]-N-
(methylsulfonyl)-2-nitrobenzamide ……………………………………………………..22.1% *
OTHER INGREDIENTS: ………………………………………………………………..77.9% 
TOTAL: …………………………………………………………………………………100.0%
*Equivalent to 21.0% fomesafen or 1.88 lbs. fomesafen active ingredient per gallon.
KEEP OUT OF REACH OF CHILDREN
WARNING/AVISO
Si usted no entiende la etiqueta, busque a alguien para que se la explique a usted en detalle. 
(If you do not understand the label, find someone to explain it to you in detail.)
Read the entire label before using this product.
Use only according to label instructions.
Read the WARRANTY DISCLAIMER, INHERENT RISKS OF USE, and LIMITATION OF 
REMEDIES before buying or using.
If terms are not acceptable, return product unopened without delay.
SEE LABEL BOOKLET FOR ADDITIONAL PRECAUTIONARY STATEMENTS AND USE 
DIRECTIONS. 
Note to PM, the following bracketed statements are individually optional depending on the packaging 
configuration and whether a booklet label design is used:
a. [See First Aid statement on back panel of booklet.]
b. [See First Aid statement on back panel.]
c. [See additional precautionary statements and Directions for Use in booklet.]
d. [Read the entire label before using this product. See First Aid, Precautionary Statements, 
Directions for Use on individual packages.]
EPA Reg. No. 67760- 94 EPA Est. No.
Net Contents:
Cheminova, Inc.
P.O. Box 110566
Research Triangle Park, NC 27709
1-800-548-6113
IN CASE OF A MEDICAL EMERGENCY INVOLVING THIS PRODUCT, CALL 
TOLL FREE, DAY OR NIGHT 1-866-303-6950
12/17/2014
67760-94

PRECAUTIONARY STATEMENTS
HAZARDS TO HUMANS AND DOMESTIC ANIMALS
WARNING/AVISO
This product contains fomesafen, which has been determined to cause tumors in laboratory animals 
(mice). Risks can be reduced by closely following use directions and precautions and by wearing the 
protective clothing specified elsewhere on this label. 
Causes substantial but temporary eye injury. Harmful if swallowed. Do not get in eyes or on clothing. 
Wear protective eyewear (goggles, face shield, or safety glasses). Wear: Long-sleeved shirt and long 
pants, socks, shoes, and chemical-resistant gloves. Avoid breathing vapor or spray mist. Wash 
thoroughly with soap and water after handling.
Personal Protective Equipment (PPE):
Some materials that are chemical-resistant to this product are listed below. 
Applicators and other handlers must wear: 
xCoveralls over short-sleeved shirt and short pants. 
xChemical-resistant gloves such as barrier laminate, nitrile rubber, neoprene rubber, or viton. 
xChemical-resistant footwear plus socks. 
xChemical-resistant apron when cleaning equipment, mixing, or loading. 
Discard clothing and other absorbent materials that have been drenched or heavily 
contaminated with this product's concentrate. DO NOT reuse them. Follow 
manufacturer's instructions for cleaning/maintaining PPE. If no such instructions for 
washables exist, use detergent and hot water. Keep and wash PPE separately from 
other laundry. .
When handlers use closed systems, enclosed cabs, or aircraft in a manner that meets the 
requirements listed in the Worker Protection Standard (WPS) for agricultural pesticides [40 
CFR 170.240(d)(4-6)], the handler PPE requirements may be reduced or modified as 
specified in the WPS. 
FIRST AID 
If in eyes • Hold eye open and rinse slowly and gently with water for 15-20 minutes. 
• Remove contact lenses, if present, after the first 5 minutes, then continue
rinsing.
• Call a poison control center or doctor for treatment advice. 
If swallowed • Call a poison control center or doctor immediately for treatment advice. 
• Have person sip a glass of water if able to swallow. 
• Do not induce vomiting unless told to do so by a poison control center or 
doctor.
• Do not give anything by mouth to an unconscious person . 
If on skin or clothing
• Take off contaminated clothing. 
• Rinse skin immediately with plenty of water for 15-20 minutes. 
• Call a poison control center or doctor for treatment advice. 
If inhaled 
• Move person to fresh air. 
• If person is not breathing, call 911 or an ambulance, then give artificial 
respiration, preferably by mouth-to-mouth, if possible. 
• Call a poison control center or doctor for further treatment advice. 
Note to Physician: Probable mucosal damage may contraindicate the use of gastric lavage. 
Have the product container or label with you when calling a poison control center or doctor or going 
for treatment. In case of a medical emergency involving this product, call toll free, day or night, 
1-866-303-6950.

USER SAFETY RECOMMENDATIONS
Users Should: 
xWash thoroughly with soap and water after handling and before eating, drinking, chewing 
gum, or using tobacco. 
xRemove and wash contaminated clothing before reuse.
xRemove clothing/PPE immediately if pesticide gets inside. Then wash thoroughly and put 
on clean clothing.
xRemove PPE immediately after handling this product. Wash the outside of gloves before 
removing. 
xAs soon as possible, wash thoroughly and change into clean clothing. 
ENVIRONMENTAL HAZARDS
DO NOT apply directly to water, or 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. DO NOT apply when weather conditions favor drift from target area. 
This chemical is known to leach through soil into groundwater under certain conditions as a result 
of label use. Use of this chemical in areas where soils are permeable, particularly where the 
water table is shallow, may result in groundwater contamination. 
PHYSICAL OR CHEMICAL HAZARDS
Combustible. Do not use or store near heat or open flame.
DIRECTIONS 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 Requirements
Use this product only in accordance with its labeling and with the Worker Protection Standard, 
40 CFR part 170. This Standard 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 assistance. It also 
contains specific instructions and exceptions pertaining to the statements on this label about 
personal protective equipment (PPE) and restricted-entry interval. The requirements in this box 
only apply to uses of this product that are covered by the Worker Protection Standard. 
DO NOT enter or allow worker entry into treated areas during the restricted entry interval (REI) 
of 24 hours.
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: 
xCoveralls over short-sleeved shirt and short pants. 
xChemical-resistant gloves such as barrier laminate, nitrile rubber, neoprene rubber, or 
viton. 
xChemical-resistant footwear plus socks. 
PRODUCT INFORMATION
Read all label directions before using.

Rhythm® Herbicide is a herbicide that may be applied preplant, preemergence in Regions 1, 2, 
3, and 4 and/or postemergence in all regions for control and suppression of broadleaf weeds, 
grasses, and sedges in soybeans. Soybean plants are tolerant to Rhythm Herbicide when 
applied according to labeled rates and uses. 
Rhythm Herbicide is generally most effective and consistent when used postemergence, 
working through contact action. Therefore, emerged weeds must be thoroughly covered with 
spray. Some bronzing, crinkling, or spotting of soybean leaves may occur following 
postemergence applications, but soybeans soon outgrow these effects and develop normally. 
Optimum broad-spectrum weed control is achieved by postemergence applications of Rhythm 
Herbicide to young actively growing broadleaf weeds that are not under stress from moisture, 
temperature, and low soil fertility, mechanical or chemical injury. 
Certain germinating broadleaf and grass weeds and sedges may be controlled or suppressed by 
soil residual activity from either preplant, preemergence or postemergence applications if rainfall 
occurs shortly after application. The extent and consistency of soil activity is dependent upon soil 
type, ground cover at time of application, amount of rainfall and the rate of Rhythm Herbicide
used. 
APPLICATION DIRECTIONS
TIMING:
Best broad-spectrum postemergence control of susceptible broadleaf weeds is obtained when 
Rhythm Herbicide is applied early to actively growing weeds. This usually occurs 14 to 28 days 
after planting. Refer to the weed tables for specific recommendations on weed growth stages, 
rates, and regions. 
SPRAY ADDITIVES:
Only spray additives cleared for use on growing crops under 40 CFR 180.1001 may be used in 
spray mixture. 
For best broad-spectrum postemergence control of susceptible broadleaf weeds in Regions 2, 3, 
4 and 5 (see Regional Use Maps), Rhythm Herbicide should be used with 1.0-2.5% v/v liquid 
nitrogen (28% or similar) or a minimum of 8.5 Ibs. ammonium sulfate per 100 gals. of spray 
volume. 
For Postemergence Applications Always Add One of the Following: except in tank mix with 
products prohibiting spray additives - (See Tank Mix Directions for Use). 
CROP OIL CONCENTRATE (COC):
Use a nonphytotoxic COC or a once-refined vegetable oil concentrate (VOC, MSO) containing 
15-20% approved emulsifier at 0.5-1 % (1-2 pts. per 25 gals.) of finished spray volume. COC can 
improve weed control but may slightly reduce crop tolerance. 
NONIONIC SURFACTANT (NIS):
Use NIS containing at least 75% surface active agent at 0.25-0.5% (1/2-1 pt. per 25 gals.) of the 
finished spray volume (Region 1 and East of Interstates 79 and 77 for Regions 2 and 3). 
OTHER ADJUVANTS:
Adjuvants other than COC or NIS may be used providing the product meets the following criteria: 
1. Contains only EPA exempt ingredients. 
2. Is nonphytotoxic to the target crop. 
3. Is compatible in mixture. (May be established through a jar test.) 
4. Is supported locally for use with Rhythm Herbicide on the target crop through proven field 
trials and through university and extension recommendations. 
NOTE: No adjuvants are needed for preplant or preemergence applications unless Rhythm 
Herbicide is being used in a burndown. 
Recommended Mixing Order:

1. Half required amount of water, begin agitation. *
2. Dry pesticide formulations. 
3. Rhythm Herbicide.
4. Liquid pesticide formulation. **
5. Adjuvant (MSO, COC or NIS) and fertilizer. 
*Compatibility agent, 1 gal./500 gals. of water or 0.2% v/v, may be added as needed. 
**Tank mixing with glyphosate formulations containing more than 4 pounds glyphosate active 
ingredient per gallon may result in precipitate forming. If precipitate forms in spray tank, add 
ammonia (household) to the spray tank at a concentration of 2% of the total tank volume to 
remove precipitate.
GROUND APPLICATION:
Use sufficient spray volume and pressure to ensure complete coverage of the target. A minimum 
spray volume of 15 gals./A and 30-60 psi at the nozzle tip is recommended. On large weeds 
and/or dense foliage, use 60 psi and a minimum of 20 gals./A to ensure coverage of weed 
foliage. 
Use only hollow cone or flat fan nozzles. The sprayer must be calibrated to provide the proper 
volume and rate per acre. In addition, the boom and nozzle height must be adjusted to provide 
complete coverage of the target. 
DO NOT USE FLOOD TYPE OR OTHER SPRAY NOZZLES, WHICH DELIVER COARSE,
LARGE-DROPLET SPRAYS. 
DO NOT APPLY THIS PRODUCT THROUGH ANY TYPE OF IRRIGATION SYSTEM. 
BAND APPLICATIONS:
Thorough weed coverage is important for postemergence control. Best coverage is obtained with 
a minimum of two nozzles, one directed to each side of the planted row. Application with a single 
nozzle directed over the top of the row is not recommended for postemergence applications but 
is suitable for preemergence applications. Cultivation of untreated areas may be needed 
following band applications. When making postemergence band applications and cultivating in 
the same operation, position nozzles in advance of the cultivation device. This will reduce dust in 
the spray area. Dust can intercept spray, reducing weed coverage and resulting in less than 
adequate weed control. Calculate the amount of herbicide and water volume needed for 
postemergence band treatment by the following formulas: 
Band width in inches X broadcast rate = Band herbicide rate
Row width in inches per acre per acre
Band width in inches X broadcast volume = Band water rate
Row width in inches per acre per acre
AERIAL APPLICATION:
Use sufficient spray volume and pressure to ensure complete coverage of the target. A minimum 
of 5 gals./A of spray mixture should be applied with a maximum of 40 PSI pressure. When 
broadleaf weed foliage is dense, use a minimum of 10 gals./A to ensure coverage of weed 
foliage. 
CULTIVATION:
Cultivation prior to application is not recommended. Cultivation may put weeds under stress, 
reducing weed control. Timely cultivation 1-3 weeks after applying Rhythm Herbicide may assist 
weed control. 
PRECAUTIONS
x Thoroughly clean the spray system with water and a commercial tank cleaner before and 
after each use.

x Tank mixes of Rhythm Herbicide with other pesticides, fertilizers or any other additives 
except as specified on this label or other approved Cheminova supplemental labels may 
result in tank mix incompatibility, unsatisfactory performance, and/or unsatisfactory crop 
injury. 
x Rhythm Herbicide requires a 1·hour rain·free period for best results when applied 
postemergence. 
x Apply postemergence to actively growing weeds. Avoid applying Rhythm Herbicide to 
weeds or soybeans that are under stress from moisture, temperature, low soil fertility, or 
mechanical or chemical injury, as reduced weed control and/or increased crop injury may 
result. 
x Avoid overlapping spray swaths, as injury may occur to rotational crops. 
x To provide adequate coverage, it is recommended that ground speed not exceed 10 
MPH during application. 
RESTRICTIONS
x A maximum of 1.6 pts. of Rhythm Herbicide (or a maximum of 0.375 Ibs. a.i./A of 
fomesafen from any product containing fomesafen) may be applied per acre per year in 
Region 1 (see Regional Use Map). 
x A maximum of 1.6 pts. of Rhythm Herbicide (or a maximum of 0.375 Ibs. a.i./A of 
fomesafen from any product containing fomesafen) may be applied per acre in alternate 
years in Region 2 (see Regional Use Map). 
x A maximum of 1.3 pts. of Rhythm Herbicide (or a maximum of 0.313 Ibs. a.i./A of 
fomesafen from any product containing fomesafen) may be applied per acre in alternate 
years in Region 3 (see Regional Use Map). 
x A maximum of 1 pt. of Rhythm Herbicide (or a maximum of 0.25Ibs. a.i./A of fomesafen 
from any product containing fomesafen) may be applied per acre in alternate years in 
Region 4 (see Regional Use Map). 
x A maximum of 0.75 pt. of Rhythm Herbicide (or a maximum of 0.1875 Ibs. a.i./A of 
fomesafen from any product containing fomesafen) may be applied per acre in alternate 
years in Region 5 (see Regional Use Map). 
x To avoid possible illegal residues, do not apply within 45 days of harvest. 
x Do not graze treated areas or harvest for forage or hay. 
ROTATIONAL CROP RESTRICTIONS 
Crop To Be Planted
Minimum Rotation Interval
(Months After Last Rhythm Herbicide
Application)
Dry beans, snap beans, soybeans and cotton 0
Small grains such as wheat, barley, rye 4
Corn* 8
Peanuts, peas, rice, seed corn 10
To avoid crop injury do not plant alfalfa, sunflowers, 
sugar beets, sorghum** or any other crop within: 18
Do not graze rotated small grain crops or harvest forage or straw for livestock. In the event of a 
crop loss due to weather conditions soybeans can be replanted. 
* Use 12 month minimum rotation interval for popcorn in the states of Ohio, Kentucky, Illinois, 
Indiana, Iowa and Region 4 when applied at a rate of 1.0 pt./A or more. 
* Use 18 month minimum rotation interval for sweet corn in the states of Connecticut, Maine, 
Massachusetts, New Hampshire, New York, Rhode Island, Vermont and Region 5. 
** Sorghum may be planted back after 10 months in Region 1.

RHYTHM HERBICIDE IN SOYBEANS - USE RATES AND WEEDS 
CONTROLLED
REFER TO MAP FOR DEFINITION OF SPECIFIED GEOGRAPHIC REGIONS 
RHYTHM HERBICIDE REGIONAL USE MAP
REGION 1
(Maximum Rate 1.6 pts./A per year)
REGION 1: Includes the following states or portion of states where Rhythm Herbicide may be applied: 
Alabama, Arkansas, Georgia, Louisiana, Mississippi, Missouri (Counties of Bollinger, Butler, Cape 
Girardeau, Dunklin, Madison, Mississippi, New Madrid, Pemiscot, Perry, Ripley, Scott, Stoddard, and
Wayne), North Carolina, Oklahoma (East of U.S. Highway 75 and East of Indian Nation Parkway), South 
Carolina, Tennessee, and Texas (all areas East of U.S. Highway 77 to State Road 239, including all of 
Calhoun County).

REGION 2
(Maximum Rate 1.6 pts./A, alternate years)
REGION 2: Includes the following states or portion of states where Rhythm Herbicide may be applied: 
Delaware, Kentucky, Maryland, Virginia and West Virginia. South of Interstate 70 in the following states: 
Illinois, Indiana and Ohio and in Pennsylvania (all areas South of Interstate 80 to the intersection of U.S. 
Highway 15 and East of U.S. Highway 15 and U.S. Highway 522). 
REGION 3
(Maximum Rate 1.3 pts./A, alternate years)
REGION 3: Includes the following states or portion of states where Rhythm Herbicide may be applied: 
Connecticut, Iowa, Maine, Massachusetts, Missouri (all counties except for those listed in Region 1). New 
Hampshire, New Jersey, New York, Pennsylvania (all areas except those listed in Region 2), Rhode Island, 
Vermont, Wisconsin (South of U.S. Highway 18 between Prairie Du Chien and Madison, and South of 
Interstate 94 between Madison and Milwaukee) and North of Interstate 70 in the following states: Illinois, 
Indiana and Ohio.

x
REGION 4
(Maximum Rate 1 pt./ A, alternate years)
REGION 4: Includes the following states or portion of states where Rhythm Herbicide may be applied: 
Kansas (all counties East of or intersected by U.S.. Highway 281), Michigan (Southern Peninsula), 
Minnesota (all areas South of Interstate 94), Nebraska (all counties East of or intersected by U.S. Highway 
281), and Wisconsin (all areas except those in Region 3, South of Interstate 94 from Minnesota state line to 
Eau Claire and South of U.S. Highway 29 from Eau Claire to Green Bay plus Door and Kewaunee 
counties). The following counties are excluded: Clark, Marathon, Wood, Portage, Adams, Shawano, 
Waupaca, Waushara, and Marquette). North Dakota (all areas East of Interstate 29 from Fargo South to the 
South Dakota state line), South Dakota (all areas East of Interstate 29 from the North Dakota state line to 
Watertown, all areas East of Highway 81 from Watertown to Madison and all areas East and South of State 
Road 34 and U.S. Highway 281 to the Nebraska state line).
REGION 5
(Maximum Rate 0.75 pts./A, alternate years)
REGION 5: Includes the following states or portion of states where Rhythm Herbicide may be applied: North 
Dakota (all areas East of U.S. Highway 281 except those areas in Region 4), South Dakota (all areas East 
of U.S. Highway 281 except those areas in Region 4) and Minnesota (all areas South of U.S. Highway 2 
except those areas in Region 4).

Morningglory
 Cypressvine 2 4 6 6
 Entireleaf var. 3* 3 4 5
 Ivyleaf 3* 3 4 5
 Purple Moonflower 3* 3 5 6
 Red (Scarlet) 3* 3 6 6
 Smallflower 3* 3 4 6
 Pitted (Smallwhite) 4* 4 6 6
 Tall (Common) 2* 2 3 5
 Palmleaf (Willowleaf) 3* 3 6 6
Mustard, Wild 4 6 8 8
Nightshade, Black 2 4 6 6
Nutsedge, Yellow - - * *
Rhythm Herbicide Rate (pts./A)
Maximum Growth Stage Controlled At
Weed
3/4 pts./A
# of True 
Leaves
1pt./A
# of True 
Leaves
1.25 pts./A
# of True 
Leaves
1.5 pts./A
# of True 
Leaves
Anoda, Spurred - 2* 2 4
Balloonvine - - 2 4
Carpetweed - 8" Diameter
Size
Unlimited
Size
Unlimited
Size
Citron (Wild Watermelon) - 2 4 4
Cocklebur, Common 2 4 6 8
Copperleaf, Hophornbeam - 4 4 6
Copperleaf, Virginia - 4 4 6
Crotalaria, Showy - 6 6 8
Croton, Tropic - 4 4 6
Cucumber, Volunteer - 4 6 8
Eclipta - 2 4 4
Groundcherry, Cutleaf - 4 6 8
Hemp - 4 6 6
Horsenettle - 2* 4* 4*
Jimsonweed 4 6 8 8
Ladysthumb 2* 2 4 6
Lambsquarters, Common 2* 2* 2* 2*
Mexicanweed - 2* 2 4

* Suppression only
Rhythm Herbicide Rate (pts./A)
Maximum Growth Stage Controlled At
Weed
3/4 pts./A
# of True 
Leaves
1pt./A
# of True 
Leaves
1.25 pts./A
# of True 
Leaves
1.5 pts./A
# of True 
Leaves
Pigweed, spp. 
 Amaranth, Palmer 2 2 2 2
 Amaranth, Spiny 2 2 2 2
 Redroot 2 4 4 4
 Smooth 2 4 4 4
 Waterhemp, Common 2* 2 2 2
 Waterhemp, Tall 2* 2 2 2
Poinsettia, Wild - 2 4 6
Purslane, Common - Multi-Leaf
6" Diameter
Multi-Leaf
8" Diameter
Multi-Leaf
8" Diameter
Pusley, Florida - 2 2 4
Ragweed, Common 4* 4 6 8
Ragweed, Giant 4* 4 6 8
Redweed - - 2* 3*
Sesbania, Hemp - 8 12 12
Sicklepod - - Cotyledon* Cotyledon*
Sida, Prickly - 2* 2 4
Smartweed, Pennsylvania 4* 4 6 6
Smell melon - 2 2 4
Spurge, Prostrate - - 1" Diameter* 2" Diameter*
Spurge, Spotted - - 2* 2*
Starbur, Bristly - 4 4 6
Sunflower, Common - - 2 4
Velvetleaf - 2 4 4
Venice Mallow 4 6 6 8
Witchweed - Multi-leaf
Up to 7"
Multi-leaf
Up to 10"
Multi-leaf
Up to 10"
Yellow Rocket 4 4 6 8

SPECIAL USE DIRECTIONS FOR ADDITIONAL WEED PROBLEMS
Suppression of Annual Grass Weeds:
The grass weeds listed below may be suppressed by postemergence applications and controlled 
or suppressed by preemergence applications of Rhythm Herbicide at 0.75 pts./A. Consult Use 
Rate Table for maximum rate in each region. For full-season broad-spectrum annual grass 
control, Fusilade® OX or Fusion® herbicide should be used alone or in tank mix with Rhythm 
Herbicide. Consult tank mix section. 
Barnyardgrass 
Broadleaf Signalgrass 
Crabgrass 
Foxtail 
Giant 
Green 
Yellow 
Goosegrass 
Johnsongrass, Seedling 
Panicum, Fall 
Panicum, Texas 
Suppression of Perennial Weeds: 
Use of Rhythm Herbicide at postemergence rates of 0.75 pts./A will aid in suppressing the 
above-ground portions of the weeds listed below until crop canopy can assist in suppression. 
Perennial weeds continue to regrow from underground rootstocks even if above-ground foliage is 
temporarily controlled or retarded. Even though Rhythm Herbicide and crop competition can 
suppress perennial weeds for a growing season, the rootstocks will continue to live and 
reestablishment will occur in subsequent years. 
Milkweed, Climbing 
Milkweed, Honeyvine 
Bindweed, Field 
Bindweed, Hedge 
Trumpetcreeper 
RESTRICTIONS:
x Refer to the Directions for Use for the maximum use rate for each Region specified 
in the Regional Use Maps.
x Application of Rhythm Herbicide in Regions 2, 3, 4 and 5 is limited to alternate years 
only.
TANK MIX AND SEQUENTIAL APPLICATIONS FOR SOYBEANS 
Rhythm Herbicide can be used sequentially or in tank mix with one or more of the following 
products: Assure II®, Basagran®, Butyrac®, Classic®, FirstRate®, Fusilade® OX, Fusion®, 
Glyphosate (such as Glyfos“X-TRA, Roundup®, Touchdown®), Gramoxone® MAX, Harass®, 
Harmony® GT, Harmony® GT XP, Ignite®, Poast®, Poast Plus®, Pursuit®, Raptor®, 
Resource®, Scepter®, Select®, and Synchrony® STS®. 
Under certain conditions, the mixture of Rhythm Herbicide with one or more of the above 
mentioned broadleaf herbicides may cause a reduction in activity of any postemergence grass 
herbicide in the mixture. 
For sequential applications allow 2-3 days after the application of the grass herbicide before 
applying Rhythm Herbicide or Rhythm Herbicide mixtures. Where Rhythm Herbicide or the 
Rhythm Herbicide mixture is applied first, apply the grass herbicide when the grass weeds 
begin to develop new leaves (generally around 7 days).

RESTRICTIONS:
xTank mix applications can result in increased crop injury as compared to either product used 
alone . 
xDo not exceed 1 fl. oz. of Butyrac per acre in mixture with Rhythm Herbicide.
xDo not exceed 0.25 oz./A of Synchrony STS herbicide in the tank with labeled rates of Rhythm 
Herbicide on non-STS varieties. This tank mix can be applied postemergence to any soybean
variety for additional broadleaf weed control. Refer to the Synchrony STS label for more 
information and crop rotation restrictions. 
xAlways read and follow the recommendations, restrictions and limitations for all products 
whether used alone, sequentially, or in a tank mix. The most restrictive labeling of any product 
used applies. 
xApplication of Rhythm Herbicide in Regions 2, 3, 4 and 5 is limited to alternate years only.
ROUNDUP READY® SOYBEAN TANK MIXES 
Rhythm Herbicide at 6-12 oz./A, can be tank mixed with glyphosate products (such as Glyfos X-
TRA, Touchdown, or Roundup) that are labeled for Roundup Ready Soybeans for improved 
postemergence control of many weeds such as morningglory spp., hemp sesbania, waterhemp, 
and black nightshade, which are known to have tolerance to glyphosate but are susceptible to 
Rhythm Herbicide.
For improved control of Glyphosate Resistant Populations, the following weed heights and 
rates should be followed:
Use rates of 12 to 25 fl. oz./A, refer to the geographic region for the proper use rate.
Glyphosate 
Resistant Weed
Weed Size Region 1 Region 2 Region 3 Region 4 Region 5
Palmer 
amaranth
1-2 inches 25 fl oz 25 fl oz 20 fl oz 16 fl oz 12 fl oz
Common 
ragweed
2-3 inches 25 fl oz 25 fl oz 20 fl oz 16 fl oz 12 fl oz
Giant ragweed 2-3 inches 25 fl oz 25 fl oz 20 fl oz 16 fl oz 12 fl oz
Waterhemp 1-2 inches 25 fl oz 25 fl oz 20 fl oz 16 fl oz 12 fl oz
FOLLOW THE RECOMMENDATIONS ON THE GLYPHOSATE PRODUCT LABEL FOR THE 
USE OF SPRAY ADDITIVES IN THIS TANK MIX. 
DO NOT allow this tank mix to move off target as contact by even minute quantities can cause 
severe damage or death to any non-target vegetation. 
NOTE: Postemergence application of this tank mix on soybean varieties that do not contain the 
Roundup Ready gene will result in severe crop injury or death of the soybean crop. Always read 
and follow the recommendations, restrictions, and limitations for all products used. The most 
restrictive labeling of any product applies. 
Improved Control of Emerged Dandelion
Tank mix Rhythm herbicide at 8-12 fluid ounces per acre with Glyfos® Xtra at 1 quart per 
acre for improved control of emerged dandelion as a preplant or preemergence 
application in soybeans.
Refer to the Glyfos Xtra EPA approved label for complete directions for use and all 
applicable restrictions and precautions.
AERIAL SPRAY DRIFT MANAGEMENT ADVISORY

SPRAY DRIFT MANAGEMENT 
AVOIDING SPRAY DRIFT AT THE APPLICATION SITE IS THE RESPONSIBILITY OF THE 
APPLICATOR. The interaction of many equipment-and-weather-related factors determine the 
potential for spray drift. The applicator is responsible for considering all these factors when 
making decisions. 
The following drift management requirements must be followed to avoid off-target movement 
from aerial applications to agricultural field crops. These requirements do not apply to forestry 
applications, public health uses, or to applications using dry formulations. 
1. The distance of the outer-most nozzles on the boom must not exceed 3/4 the length of the 
wingspan or rotor. 
2. Nozzles must always point backward parallel with the air stream and never be pointed 
downwards more than 45 degrees. 
Where states have more stringent regulations, they should be observed. 
The applicator should be familiar with and take into account the information covered in the 
AERIAL DRIFT REDUCTION ADVISORY.
AERIAL DRIFT REDUCTION ADVISORY 
[This section is advisory in nature and does not supersede the mandatory label requirements.] 
INFORMATION ON DROPLET SIZE 
The most effective way to reduce drift potential is to apply large droplets. The best drift 
management strategy is to apply the largest droplets that provide sufficient coverage and control. 
Applying larger droplets reduces drift potential, but will not prevent drift if applications are made 
improperly or under unfavorable environmental conditions (See Wind, Temperature, and
Humidity, and Temperature Inversions). 
CONTROLLING DROPLET SIZE 
x Volume: Use high flow rate nozzles to apply the highest practical spray volume. Nozzles 
with higher rated flows produce larger droplets. 
x Pressure: Do not exceed the nozzle manufacturer's recommended pressures. For many 
nozzle types lower pressure produces larger droplets. When higher flow rates are needed, 
use higher flow rate nozzles instead of increasing pressure. 
x Number of Nozzles: Use the minimum number of nozzles that provide uniform coverage. 
x Nozzle Orientation: Orienting nozzles so that the spray is released parallel to the airstream 
produces larger droplets than other orientations and is the recommended practice. 
Significant deflection from horizontal will reduce droplet size and increase drift potential. 
x Nozzle Type: Use a nozzle type that is designed for the intended application. With most 
nozzle types, narrower spray angles produce larger droplets. Consider using low-drift 
nozzles. Solid-stream nozzles oriented straight back produce the largest droplets and the 
lower drift. 
BOOM LENGTH 
For some use patterns, reducing the effective boom length to less than 3/4 of the wingspan or 
rotor length may further reduce drift without reducing swath width. 
APPLICATION HEIGHT 
Applications should not be made at a height greater than 10 ft. above the top of the target plants 
unless a greater height is required for aircraft safety. Making applications at the lowest height 
that is safe reduces exposure of droplets to evaporation and wind. 
SWATH ADJUSTMENT 
When applications are made with a crosswind, the swath will be displaced downwind. Therefore, 
on the up and downwind edges of the field, the applicator should compensate for this 
displacement by adjusting the path of the aircraft upwind. Swath adjustment distance should 
increase with increasing drift potential (higher wind, smaller drops, etc.).

WIND 
Drift potential is lowest between wind speeds of 2-10 mph. However, many factors, including 
droplet size and equipment type, determine drift potential at any given speed. Application should 
be avoided below 2 mph due to variable wind direction and high inversion potential. NOTE: Local 
terrain can influence wind patterns. Every applicator should be familiar with local wind patterns 
and how they affect spray drift. 
TEMPERATURE AND HUMIDITY 
When making applications in low relative humidity, set up equipment to produce larger droplets
to compensate for evaporation. Droplet evaporation is most severe when conditions are both hot 
and dry. 
TEMPERATURE INVERSIONS 
Applications should not occur during a temperature inversion because drift potential is high. 
Temperature inversions restrict vertical air mixing, which causes small suspended droplets to 
remain in a concentrated cloud. This cloud can move in unpredictable directions due to the light 
variable winds common during inversions. Temperature inversions are characterized by 
increasing temperatures with altitude and are common on nights with limited cloud cover and 
light to no wind. They begin to form as the sun sets and often continue into the morning. Their 
presence can be indicated by ground fog; however, if fog is not present, inversions can also be 
identified by the movement of smoke from a ground source or an aircraft smoke generator. 
Smoke that layers and moves laterally in a concentrated cloud (under low wind conditions) 
indicates an inversion, while smoke that moves upward and rapidly dissipates indicates good 
vertical air mixing. 
SENSITIVE AREAS 
The pesticide should be applied only when the potential for drift to adjacent sensitive areas (e.g. 
residential areas, bodies of water, known habitat for threatened or endangered species, 
nontarget crops) is minimal (e.g. when wind is blowing away from the sensitive areas).

APPENDIX 
COMMON NAME SCIENTIFIC NAME 
Amaranth, Palmer Amaranthus palmeri
Amaranth, Spiny Amaranthus spinosus
Anoda, Spurred Anoda cristata
Balloonvine Cardiospermum halicacabum
Barnyardgrass Echinochloa crus-galli 
Bindweed, Field Convolvulus arvensis 
Bindweed, Hedge Calystegia sepium 
Broadleaf Signalgrass Brachiaria platyphylla 
Carpetweed Mollugo verticillata 
Citron (Wild Watermelon) Citrullus vulgaris 
Cocklebur, Common Xanthium strumarium 
Copperleaf, Hophornbeam Acalypha ostryifolia 
Copperleaf, Virginia Acalypha virginica 
Crabgrass Digitaria spp. 
Crotalaria, Showy Crotalaria spectabilis 
Croton, Tropic Croton glandulosus 
Cucumber, Volunteer Cucumis sativas 
Eclipta Eclipta prostrata 
Foxtail, Giant Setaria faberi 
Foxtail, Green Setaria viridis 
Foxtail, Yellow Setaria glauca 
Goosegrass Eleusine indica 
Groundcherry, Cutleaf Physalis angulata 
Hemp Cannabis sativa
Horsenettle Solanum carolinense 
Jimsonweed Datura stramonium 
Johnsongrass, Seedling Sorghum halepense 
Ladysthumb Polygonum persicaria 
Lambsquarters, Common Chenopodium album 
Mexicanweed Caperonia castaniifolia 
Milkweed, Climbing Sarcostemma cyanchoides 
Milkweed, Honeyvine Ampelamus albidus 
Morningglory, Cypressvine Ipomoea quamoclit 
Entireleaf Ipomoea hederacea var. integriuscula 
Ivyleaf Ipomoea hederacea var. hederacea 
Purple Moonflower Ipomoea turbinata 
Red (Scarlet) I pomoea coccinea 
Smallflower Jacquemontia tamnifolia 
Pitted (Smallwhite) Ipomoea lacunosa

COMMON NAME SCIENTIFIC NAME 
 Tall (Common) Ipomoea purpurea 
 Palmleaf (Willowleaf) Ipomoea wrightii 
Mustard, Wild Brassica kaber 
Nightshade, Black Solanum nigrum 
Nutsedge, Yellow Cyperus esculentus 
Panicum, Fall Panicum dichotomiflorum 
Panicum, Texas Panicum texanum 
Pigweed, Redroot Amaranthus retroflexus 
Pigweed, Smooth Amaranthus hybridus 
Poinsettia, Wild Euphorbia heterophylla 
Purslane, Common Portulaca oleracea 
Pusley, Florida Richardia scabra 
Ragweed, Common Ambrosia artemisiifolia 
Ragweed, Giant Ambrosia trifida 
Redweed Melochia corchorifolia 
Sesbania, Hemp Sesbania exaltata 
Sicklepod Cassia obtusifolia 
Sida, Prickly Sida spinosa 
Smartweed, Pennsylvania Polygonum pensylvanicum 
Smell melon Cucumis melo 
Spurge, Prostrate Euphorbia humistrata 
Spurge, Spotted Euphorbia maculata 
Starbur, Bristly Acanthospermum hispidum 
Sunflower, Common Helianthus annuus 
Trumpetcreeper Campsis radicans 
Velvetleaf Abutilon theophrasti 
Venice Mallow Hibiscus trionum 
Waterhemp, Common Amaranthus rudis 
Waterhemp, Tall Amaranthus tuberculatos 
Witchweed Striga asiatica 
Yellow Rocket Barbarea vulgaris

STORAGE AND DISPOSAL:
Do not contaminate water, food or feed by storage or disposal. 
Pesticide Storage:
Store above 32°F in original containers only. If product freezes, return to room temperature and agitate to reconstitute. 
Keep container closed when not in use. Do not store near food or feed. In case of spill or leak on floor or paved 
surfaces, soak up with sand, earth or synthetic absorbent. Remove to chemical waste area.
Pesticide Disposal: Refillable containers: 
Refillable container. Refill this container with pesticide only. Do not reuse this container for any other purpose. 
Cleaning the container before final disposal is the responsibility of the person disposing of the container. Cleaning 
before refilling is the responsibility of the refiller. To clean the container before final disposal, empty the remaining 
contents from this container into application equipment or mix tank. Fill the container about 10 percent full with water. 
Agitate vigorously or recirculate water with the pump for 2 minutes. Pour or pump rinsate into application equipment or 
rinsate collection system. Repeat this rinsing procedure two more times.
Pesticide Disposal: Nonrefillable containers 5 gallons or less:
Nonrefillable container. Do not reuse or refill this container. Offer for recycling if available. Triple rinse container (or 
equivalent) promptly after emptying. Triple rinse as follows: Empty the remaining contents into application equipment 
or a mix tank and drain for 10 seconds after the flow begins to drip. Fill the container ¼ full with water and recap. 
Shake for 10 seconds. Pour rinsate into application equipment or a mix tank or store rinsate for later use or disposal. 
Drain for 10 seconds after the flow begins to drip. Repeat this procedure two more times.
Nonrefillable containers 5 gallons or larger:
Nonrefillable container. Do not reuse or refill this container. Offer for recycling if available. Triple rinse container (or 
equivalent) promptly after emptying. Triple rinse as follows: Empty the remaining contents into application equipment 
or a mix tank. Fill the container ¼ full with water. Replace and tighten closures. Tip container on its side and roll it 
back and forth, ensuring at least one complete revolution, for 30 seconds. Stand the container on its end and tip it 
back and forth several times. Turn the container over onto its other end and tip it back and forth several times. Empty 
the rinsate into application equipment or a mix tank or store rinsate for later use or disposal. Repeat this procedure 
two more times.
WARRANTY DISCLAIMER
Cheminova warrants that this product conforms to the chemical description on the label and is reasonably fit for the 
purposes stated on the label when used in strict accordance with the directions, subject to the inherent risks set forth 
below. TO THE EXTENT CONSISTENT WITH APPLICABLE LAW, CHEMINOVA MAKES NO OTHER EXPRESS OR 
IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR ANY OTHER 
EXPRESS OR IMPLIED WARRANTY.
INHERENT RISKS OF USE
It is impossible to eliminate all risks associated with use of this product. Crop injury, lack of performance, or other 
unintended consequences may result because of such factors as use of the product contrary to label instructions 
(including conditions noted on the label, such as unfavorable temperatures, soil conditions, etc.), abnormal conditions 
(such as excessive rainfall, drought, tornadoes, hurricanes), presence of other materials, the manner of application, or 
other factors, all of which are beyond the control of Cheminova or the Seller. All such risk, to the extent consistent with 
applicable law, shall be assumed by Buyer and User. To the extent consistent with applicable law, the Buyer and User 
agree to hold Cheminova and the Seller harmless for any claims related to such factors.
LIMITATION OF REMEDIES
To the extent consistent with applicable law, the exclusive remedy for losses or damages resulting from this product 
(including claims based on contract, negligence, strict liability, or other legal theories), shall be limited to one of the 
following, at Cheminova's election:
(1) Refund of purchase price paid by buyer or user for product bought, or
(2) Replacement of amount of product used.
To the extent consistent with applicable law, Cheminova shall not be liable for consequential, incidental, or special
damages or losses in any matter.
The terms of the Warranty Disclaimer above and this Limitation of Remedies cannot be varied by any written or verbal 
statements or agreements. No employee or sales agent of Cheminova or the Seller is authorized to vary or exceed the 
terms of the Warranty Disclaimer or this Limitation of Remedies in any manner.

Glyfos is a registered trademark of Cheminova
Fusilade, Fusion, Gramoxone Inteon, Touchdown, are registered trademarks of Syngenta Group Company 
Basagran, Poast, Poast Plus, Pursuit, Raptor, and Scepter are registered trademarks of BASF Ag Products 
Assure II, Classic, Harmony, and Synchrony STSare registered trademarks of E.I. DuPont de Nemours & Co., Inc. 
Select and Resource are registered trademarks of Valent Chemical Co. 
Butyrac is a registered trademark of Albaugh Inc. 
Roundup Ready, and Roundup are registered trademarks of Monsanto Company
FirstRate is a registered trademark of Dow AgroSciences,LLC
Ignite is a registered trademark of Bayer Cropscience