crop-chem-docs/corpus/epa_ppls/91234-75.md

# A326.02 

- EPA Reg No: **91234-75**
- Registrant: ATTICUS, LLC
- Signal word: Caution
- Active ingredients: Mesotrione (40%)
- Label accepted: 2026-09-29
- Source PDF: https://www3.epa.gov/pesticides/chem_search/ppls/091234-00075-20260929.pdf

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September 25, 2026 
 
Kayla Ward 
Regulatory Associate 
Atticus, LLC 
940 NW Cary Parkway, Suite 200 
Cary, NC 27513 
Kayla.Ward@AtticusLLC.com 
 
Subject: Label Amendment - Registration Review Mitigation for Mesotrione 
 Product Name: A326.02 
EPA Registration Number: 91234-75 
Case Numbers: 673535 
Application Dates: March 16, 2022 
 
Dear Kayla Ward: 
 
The Agency, in accordance with the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), 
as amended, has completed reviewing all the information submitted with your application to 
support the Registration Review of the above referenced product in connection with the 
Mesotrione Interim Decisions, and has concluded that your submission is acceptable. The label 
referred to above, submitted in connection with registration under FIFRA, as amended, is 
acceptable. 
 
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 
Assurance. 
 
A stamped copy of your labeling is enclosed for your records. This labeling supersedes 
all previously accepted labeling and must be used at your next label printing. You must

Page 2 of 2 
EPA Reg. No. 91234-75 
Case No. 673535 
 
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 12 months 
from the date of this letter. After 12 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. 
 
If you have any questions about this letter, please contact Samantha Thomas by phone at 202-
566-2368, or via email at thomas.samantha@epa.gov. 
 
 
 Sincerely, 
 
 
Cathryn Britton 
Chief, Risk Management and Implementation 
Branch V 
Pesticide Re-evaluation Division (7508M) 
Office of Pesticide Programs 
 
 
ENCLOSURE: Stamped label

[Note to reviewer: [Text] in brackets denotes optional text.]
1
[Sublabel A (Pages 1-20) A326.02:] Controls annual broadleaf weeds 
in Soybean, Corn (field, seed, yellow pop, sweet), and other listed crops
[Sublabel B (Pages 21-28) ABN: A326.02:] Provides selective and residual control ofweeds in Ornamental
Turfgrasses
A326.02[TM]
[Alternate Brand Name: Atticus Cavallo 4 SC]
ACTIVE INGREDIENT: (% by weight)
Mesotrione: 2-[4-(methylsulfonyl)-2-nitrobenzoyl]-1,3-cyclohexanedione ……………………… …….. 40.0%
OTHER INGREDIENTS: ………………………………………………………………….…………………………………. ….... 60.0%
TOTAL: ………………………………………………………………………………………………………………………….…….… 100.0%
Contains 4 lbs. Mesotrione per gallon.
KEEP OUT OF REACH OF CHILDREN
CAUTION
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.)
See inside label booklet for additional Precautionary Statements and Directions for Use.
FIRST AID
If on skin:
x Take off contaminated clothing.
x Rinse skin immediately with plenty of water for 15-20 minutes.
x Call a poison control center or doctor for treatment advice.
HOT LINE NUMBER
Have the product container or label with you when calling a poison control center or doctor, or going for 
treatment. You may also contact SafetyCall at 1-844-685-9173 for emergency medical treatment information.
For Chemical Emergency Spill, Leak, Fire, Exposure, or Accident Call CHEMTREC Day or Night Within USA and Canada: 
1-800-424-9300 or +1 703-527-3887 (collect calls accepted)
EPA Reg. No.: 91234-75
EPA Est. No.: 
Net Contents:
Manufactured for:
Atticus, LLC
940 NW Cary Parkway, Suite 200
Cary, NC 27513
MESOTRIONE GROUP 27 HERBICIDE
09/25/2026
91234-75

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PRECAUTIONARY STATEMENTS 
Hazards to Humans and Domestic Animals 
CAUTION 
Harmful if absorbed through skin. Prolonged or frequently repeated skin contact may cause allergic reactions in some 
individuals. Avoid contact with skin, eyes, or clothing. 
 
Personal Protection Equipment (PPE) 
Applicators and Other Handlers must wear: 
x Long-sleeved shirt and long pants 
x Shoes plus socks 
x Chemical-resistant gloves made of any waterproof ma terial such as polyethylene or polyvinyl chloride. 
 
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. 
 
 
 
Engineering Control Statements 
When handlers use closed systems or enclosed cabs in a manner that meets the requirements listed in the Worker 
Protection Standard (WPS) for agricultural pesticides [4 0 CFR 170.240(d)(4-6)], the handler PPE requirements may 
be reduced or modified as specified in the WPS. 
 
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 water or rinsate. 
 
NON-TARGET ORGANISM ADVISORY: This product is toxic to plants and may adversely impact the forage and habitat of non-target 
organisms, including pollinators, in areas adjacent to the treated site. Protect the forage and habitat of non-target organisms by following 
label directions intended to minimize spray drift. 
 
GROUNDWATER ADVISORY: Mesotrione is known to leach through soil in to groundwater under certain conditions as a result of label 
use. This chemical may leach into groundwater if used in areas where soils are permeable, particularly where the water table is shallow. 
 
SURFACE WATER ADVISORY: This product may impact surface water quality due to spray drift and runoff of rainwater. This is espec ially 
true for poorly draining soils and soils with shallow ground water. This product is classified as having high potential for reaching surface 
water via runoff for several months after application. 
 
A level, well maintained vegetative buffer strip between areas to which this product is applied and surface water features incl uding 
ponds, streams, and springs will reduce the potential loading of A326.02 from runoff water and sediment. Runoff of this product will be 
reduced by avoiding applications when rainfall is forecasted to occur within 48 hours. 
 
Physical and Chemical Hazards 
Do not use or store near heat or open flame. Do not use with or store near any oxidizing or reducing agents. Hazardous 
chemical reaction may occur. 
 
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. 
USER SAFETY RECOMMENDATIONS 
Users should: 
x Wash thoroughly with soap and water after handling and before eating, drinking, chewing gum, using 
tobacco, or using the toilet. 
x Remove clothing/PPE immediately if pesticide gets inside. Then wash thoroughly and put on clean clothing. Remove 
and wash contaminated clothing before reuse. 
x Remove PPE immediately after handling this product. Wash the outside of gloves before removing. As soon as 
possible, wash thoroughly and change into clean clothing.

3 
 
 
 
 
 
PRODUCT INFORMATION 
A326.02 is a systemic pre-emergence and post-emergence herbicide for selective contact and residual control of 
broadleaf weeds in labeled crops. In pre-emergence applications, weeds take up the product through the soil during 
weed emergence. Dry weather conditions reduce pre-emergent effectiveness of A326.02. At least ¼-inch of rainfall must 
occur within 7-10 days of application; rotary hoeing activates A326.02. In post- emergence applications, vulnerable 
weeds take up the product through treated foliage and stop growing soon after application. It can take up to two 
weeks for weeds to die. A326.02 is absorbed by soil and/or through foliage of emerged weeds. 
 
A326.02 does not control most species of grass weeds. A326.02 can be tank-mixed with other herbicides registered to 
control grass weeds (see tank-mix information in this label for additional information). A326.02 can be used in 
combination with a burndown herbicide prior to planting to provide weed control in field corn, seed corn, yellow 
popcorn, and sweet corn. It is the pesticide user’s responsi bility to ensure that all prod ucts are registered for the 
intended use. Read and follow the applic able restrictions and limitations and directions for use on all product labels 
involved in tank mixing. Users must follow the most restrictive directions for use an precautionary statement for each 
product in the tank mixture. 
 
RESISTANCE MANAGEMENT 
For resistance management, please note that A326.03 contains a Group 27 [Mesotrione] herbicide. Any weed population may contain 
plants naturally resistant to Group 27 herbicides. The resistant individuals may dominate the weed population if these herbicid es are 
used repeatedly in the same fields. Appropriate resistance-management strategies should be followed. 
 
To delay herbicide resistance, take one or more of the following steps: 
• Rotate the use of A326.02 or other Group 27 herbicides within a growing season sequence or among growing seasons with 
different herbicide groups that control the same weeds in a field. 
• Use tank mixtures with herbicides from a different group if such use is permitted; where information on resistance in target 
weed species is available, use the less resistance-prone partner at a rate that will control the target weed(s) equally as well as 
the more resistance-prone partner. Consult your local extension service or certified crop advisor if you are unsure as to which 
active ingredient is currently less prone to resistance. 
• Adopt an integrated weed-management program for herbicide use that includes scouting and uses historical information related 
to herbicide use and crop rotation, and that considers tillage (or other mechanical control methods), cultural (e.g., higher cr op 
seeding rates; precision fertilizer application method and timing to favor the crop and not the weeds), biological (weed-
competitive crops or varieties) and other management practices. 
• Scout before and after herbicide application to monitor weed populations for early signs of resistance development. Indicators 
of possible herbicide resistance include: (1) failure to control a weed species normally controlled by the herbicide at the dos e 
applied, especially if control is achieved on adjacent weeds; (2) a spreading patch of non-controlled plants of a particular we ed 
species; (3) surviving plants mixed with controlled individuals of the same species. If resistance is suspected, prevent weed seed 
production in the affected area by an alternative herbicide from a different group or by a mechanical method including hoeing 
or tillage. Prevent movement of resistant weed seeds to other fields by cleaning harvesting and tillage equipment when moving 
between fields, and planting clean seed. 
• If a weed pest population continues to progress after treatment with this product, discontinue use of this product, and switch 
to another management strategy or herbicide with a different mode of action, if available. 
• Contact your local extension specialist or certified crop advisors for additional pesticide resistance-management and/or 
AGRICULTURAL USE REQUIREMENTS 
Use this product only in accordance with its labeling and 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 12 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: 
x Coveralls over long-sleeved shirt and long pants 
x shoes plus socks 
x chemical-resistant gloves made of any waterproof material such as polyethylene or polyvinyl chloride.

4 
 
integrated weed-management recommendations for specific crops and weed biotypes. 
• For further information or to report suspected resistance, contact Atticus, LLC at (984) 465-4754. 
 
INTEGRATED WEED PEST MANAGEMENT 
Integrate A326.02 into an overall weed pest management strategy whenever the use of an herbicide is required. 
Practices known to reduce weed development (tillage, crop competition) and herbicide use (weed scouting, proper 
application timing, banding) should be followed wherever possible. Consult local agricultural and weed authorities for 
additional IPM strategies established for your area. 
 
USE PRECAUTIONS - A326.02 
Severe corn injury and/or yield loss can occur: 
x From post-emergent application of A326.02 to corn treated with Terbufos or Chlorpyrifos. 
x If foliar post-emergent applications of A326.02 are made to corn in a tank mix with any organophosate 
or carbamate insecticide. 
x If an organophosphate or carbamate insecticide is applied foliar post-emergence within 7 days before or 7 days 
after A326.02 application. 
x When weeds are stressed due to drought, heat, lack of fertility, flooding, or prolonged cool temperatures control 
can be reduced or delayed since the weeds are not actively growing. Weed escapes or regrowth may occur when 
application is made under prolonged stress conditions. Optimum weed control will be obtained if an application 
of A326.02 is made following label directions when weeds are actively growing. 
x A326.02 may be applied with pyrethroid type insecticides (e.g., Lambda cyhalothrin). 
USE RESTRICTIONS - A326.02 
x DO NOT apply this product to white popcorn or ornamental (Indian) corn. 
x DO NOT cultivate corn within 7 days before or after application of this product as weed control may be reduced. 
x DO NOT apply this product through any type of irrigation system unless specified under the specific crop section 
of the label. 
x DO NOT apply this product with suspension fertilizers as the carrier. 
x DO NOT apply this product post-emergence in a tank mix with emulsifiable concentrate grass herbicides, unless 
specifically directed under one of the tank mix sections of this label, or crop injury can occur. 
x DO NOT make aerial applications of this product unless specified in the specific crop directions of this label. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
MANDATORY SPRAY DRIFT MANAGEMENT 
Aerial Applications 
x Do not release spray at a height greater than 10 ft above the vegetative canopy, unless a greater 
application height is necessary for pilot safety. 
x Applicators must select nozzle and pressure that deliver medium or courser droplets in 
accordance with American Society of Agriculture & Biological Engineers Standard 641 (ASABE 
S641). If the windspeed is 10 miles per hour or less, applicators must use ½ swath displacement 
upwind at the downwind edge of the field. When the windspeed is between 11 – 15 miles per 
hour, applicators must use ¾ swath displacement upwind at the downwind edge of the field. 
x Do not apply when wind speeds exceed 15 mph at the application site. If the windspeed is 
greater than 10 mph, the boom length must be 65% or less of the wingspan for fixed wing aircraft 
and 75% or less of the rotor diameter for helicopters. Otherwise, the boom length must be 75% 
or less of the wingspan for fixed-wing aircraft and 90% or less of the rotor diameter for 
helicopters. 
x Do not apply during temperature inversions. 
 
Ground Boom Applications 
x Do not release spray at a height greater than 3 feet above the ground or crop canopy. 
x Applicators must select nozzle and pressure that deliver medium or courser droplets in 
accordance with American Society or Agricultural & Biological Engineers Standard 572 (ASABE 
S572). 
x Do not apply when wind speeds exceed 15 miles per hour at the application site. 
x Do not apply during temperature inversions.

5 
 
Spray Drift Advisories 
THE APPLICATOR IS RESPONSIBLE FOR AVOIDING OFF-SITE SPRAY DRIFT. 
 
BE AWARE OF NEARBY NON-TARGET SITES AND ENVIRONMENTAL CONDITIONS. 
 
IMPORTANCE OF DROPLET SIZE 
An effective way to reduce spray drift is to apply large droplets . Use the largest droplets that provide target pest control. 
While applying larger droplets will reduce spray drift, the potential for drift will be greater if applications are made 
improperly or under unfavorable environmental conditions. 
 
Controlling Droplet Size - Ground Boom 
o Volume - Increasing the spray volume so that larger drop lets are produced will reduce spray drift. Use the highest 
practical spray volume for the application. If a greater spray volume is needed, consider using a nozzle with a higher 
flow rate. 
o Pressure - Use the lowest spray pressure recommended for the nozzle to produce the target spray volume and 
droplet size. 
o Spray Nozzle - Use a spray nozzle that is designed for the intended application. Consider using nozzles designed to 
reduce drift. 
 
Controlling Droplet Size - Aircraft 
ƒ Adjust Nozzles - Follow nozzle manufacturers recommendations for setting up nozzles. Generally, to reduce fine 
droplets, nozzles should be oriented parallel with the airflow in flight. 
 
BOOM HEIGHT - Ground Boom 
For ground equipment, the boom should remain level with the crop and have minimal bounce. 
 
RELEASE HEIGHT - Aircraft 
Higher release heights increase the potential for spray drift. 
 
SHIELDED SPRAYERS 
Shielding the boom or individual nozzles can reduce spray drift. Consider using shielded sprayers. Verify that the shields are 
not interfering with the uniform deposition of the spray on the target area. 
 
TEMPERATURE AND HUMIDITY 
When making applications in hot and dry conditions, use larger droplets to reduce effects of evaporation. 
 
TEMPERATURE INVERSIONS 
Drift potential is high during a temperature inversion. Temperature inversions are characterized by increasing temperature 
with altitude and are common on nights with limited cloud cover and light to no wind. The presence of an inversion can be 
indicated by ground fog or 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 lo w wind conditions) indicates an inversion, while smoke that 
moves upward and rapidly dissipates indicates good vertical air mixing. Avoid applications during temperature inversions. 
 
WIND 
Drift potential generally increases with wind speed.Applicators need to be familiar with local wind patterns and terrain that 
could affect spray drift. 
 
Handheld Technology Applications: 
x Take precautions to minimize spray drift.

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AERIAL APPLICATION INSTRUCTIONS FOR CORN AND SUGARCANE 
RESTRICTION: A326.02 can be applied aerially only to corn and sugarcane. 
 
A326.02 may be applied aerially for preemergence or postemergence weed control in corn only in the following states: 
Alabama, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, 
Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, 
Mississippi, Missouri, Montana, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North 
Dakota, Nebraska, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, 
Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin and Wyoming. 
 
A326.02 may be applied aerially for preemergence or postemergence weed control in sugarcane only in the following 
states: Florida, Louisiana and Texas. 
 
Applications must be made in a minimum of 2 gallons of water per acre. 
 
PRE-EMERGENCE GROUND APPLICATION INSTRUCTIONS 
Apply A326.02 preemergence with a carrier volume of 10-60 gal/A. 
 
Spray nozzles must be uniformly spaced, the same size and type, and must provide accurate and uniform application. 
Apply in a spray volume of 10-60 gal/A using water or liquid fertilizer (excluding suspension fertilizers) as the carrier. Use 
a pump that can maintain a pressure of at least 35-40 psi at the nozzles and provide proper agitation within the tank to 
keep the product dispersed. Lower pressures may be used with extended range or drift reduction nozzles. 
 
Always ensure that agitation is maintained until spraying is completed, even if stopped for brief periods of time. If the 
agitation is stopped for more than 5 minutes, resuspend the spray solution by running on full agitation prior to spraying. 
 
POST-EMERGENCE GROUND APPLICATION INSTRUCTIONS 
Spray nozzles must be uniformly spaced, the same size and type, and must provide accurate and uniform application. Use 
spray nozzles that provide medium to coarse droplet size to provide good coverage and avoid drift. Good weed coverage is 
essential for optimum weed control. Boom height for broadcast over-the-top applications must be based on the height of 
the crop – at least 15 inches above the crop canopy. 
 
Apply in a spray volume of 10-30 gal/A using water as a carrier. Use a pump that can maintain a pressure of at least 35-40 psi 
at the nozzles and provide proper agitation within the tank to keep the product dispersed. Lower pressures may be used with 
extended range or drift reduction nozzles. When weed foliage is dense, use a minimum of 20 gals. 
 
Flat fan nozzles of 80° or 110° are advised for optimum postemergence coverage. DO NOT use floodjet nozzles or controlled 
droplet application equipment for postemergence applications. 
 
Nozzles may be angled forward 45° to enhance penetration of the crop and provide better coverage. Ensure that all in-line 
strainer and nozzle screens in the sprayer are 50-mesh or coarser. 
 
Always ensure that agitation is maintained until spraying is completed, even if stopped for brief periods of time. If the 
agitation is stopped for more than 5 minutes, resuspend the spray solution by running on full agitation prior to spraying.
 
 
USE DIRECTIONS WITH SPRAY ADDITIVES 
POSTEMERGENCE ADJUVANTS 
When an adjuvant is to be used with this product, the use of an adjuvant that meets the standards of the Chemical Producers 
and Distributors Association (CPDA) adjuvant certification program is advised. 
 
The following adjuvant directions are intended primarily for A326.02 use in corn. Refer to the use directions section of each 
crop section for specific adjuvant directions. 
 
POSTEMERGENCE APPLICATIONS TO FIELD CORN AND SEED CORN 
For postemergence applications made after the crop has emerged, add crop oil concentrate (COC) to the spray solution at

7 
 
the rate of 1.0 gal/100 gal of water (1.0% v/v). The use of a nonionic surfactant (NIS) at 1 qt/100 gallons of water (0.25% v/v) 
instead of COC is allowed, but the weed control achieved with COC is consistently better than NIS. The use of methylated 
seed oil (MSO) adjuvants or MSO blend adjuvants for postemergence applications of A326.02 may cause severe crop injury 
to occur. DO NOT use MSO adjuvants for postemergence use unless directed for a specific tank mix under the A326.02 
TANK MIXTURES FOR CORN section of this label. In addition to COC, always add spray grade UAN (e.g., 28-0-0) to the spray 
solution at a rate of 2.5% (v/v) or AMS at 8.5 lb/100 gal of spray solution, except if precluded elsewhere on this label or by a 
supplemental A326.02 label. 
 
POSTEMERGENCE APPLICATIONS TO SWEET CORN AND YELLOW POPCORN 
DO NOT add UAN or AMS when making postemergence applications of A326.02 to yellow popcorn or sweet corn, or severe 
crop injury may occur. 
 
For postemergence applications to yellow popcorn and sweet corn, the use of a nonionic surfactant (NIS) instead of a crop 
oil concentrate (COC) is advised, so as to minimize the risk of crop injury. A COC may be used, and will increase the level of 
weed control achieved, especially under dry growing conditions, but the risk of crop injury is increased significantly under 
lush growing conditions. For optimum control, the addition of atrazine is advised wherever rotational or local atrazine 
restrictions allow. 
 
PREEMERGENCE ADJUVANTS 
For A326.02 preplant or preemergence applications, and where weeds are present, the use of any adjuvant for agricultural 
use is permitted. In these situations, MSO type adjuvants are typically better than COC type adjuvants, which are typically 
better than NIS type adjuvants for enhancing weed control. UAN or AMS can be added and typically provides better weed 
control than not adding one of these. It is the pesticide user’s responsibility to ensure that all products are registered for 
the intended use. Read and follow the applicable restrictions and limitations and directions for use on all product labels 
involved in tank mixing. Users must follow the most restrictive directions for use and precautionary statements of each 
product in the tank mixture.
 
 
SPRAY EQUIPMENT CLEANING 
It is important to follow the procedures below for cleaning equipment before spraying a crop other than corn. Mix only as 
much spray solution as is needed. 
 
1) Flush tank, hoses, boom, and nozzles with clean water. 
2) Prepare cleaning solution of 1 gal. of household ammonia per 25 gals. of water. Commercial spray tank cleaners 
can be used in lieu of ammonia/water solution. 
3) Using a pressure washer, clean the inside of the spray tank with the cleaning solution. Wash ALL parts of the tank, 
including the inside top surface. If a pressure washer is not available, fill the sprayer with the cleaning solution 
toensure contact of the cleaning solution with all internal surfaces of the tank and plumbing. Start agitation in the 
spray and recirculate the cleaning solution for a minimum of 15 minutes. All visible deposits of spray solution must 
be removed from the spray tank before making any other applications. 
4) Flush hoses, spray lines, and nozzles with cleaning solution for a minimum of 1 minute. 
5) Dispose of rinsate from steps 1-3 in an appropriate manner. 
6) Repeat steps 2-5. 
7) Remove nozzles, screens, and strainers and clean separately in the ammonia solution after completing the 
previous steps. 
8) Rinse the complete spray system with clean water. 
 
MIXING INSTRUCTIONS 
See the Crop Use Directions sections of the label for specific tank mix instructions. 
 
Always refer to labels of other pesticide products for mixing directions and precautions which may differ from those 
outlined here. Use in accordance with the most restrictive label limitations and precautions. 
 
MIXING RESTRICTIONS 
x DO NOT exceed any dosage rates specified on labels. 
x DO NOT mix this product with any product containing a label prohibition against such mixing. 
x DO NOT tank mix A326.02 with any other insecticide, fungi cide, fertilizer, or adjuvant not specified on this

8 
 
label without first testing compatibility, as poor mixing can occur. Test compatibility on a small scale (including a 
jar test) before actual tank mixing. 
 
MIXING PROCEDURE 
1. Use sprayers in good operating condition with good agitation. Ensure that the sprayer is cleaned according to the 
label instructions of the product label used prior to A326.02. For post-emergence applications, use clean water 
only for the spray solution. Ensure that all in- line strainers and nozzle screens in the sprayer are 50-mesh or 
coarser. DO NOT use screens finer than 50-mesh. 
2. Use liquid fertilizer (NOT suspension fertilizer) as the carrier for pre-emergence applications. 
3. Start filling spray tank or pre-mix tank with clean water and begin agitation. Maintain constant agitation. 
4. When sprayer or pre-mix is half full of water, add AMS, maintaining agitation until dispersed. 
5. Add A326.02 slowly and agitate until completely dissolved. Wait at least 1 minute after the last of the A326.02 
has been added to allow for complete dispersion. If using cold water, a longer agitation period may be required 
to ensure adequate dispersing. 
6. If tank mixing, add the tank mix product. 
7. Add the adjuvant and UAN, if needed, and continue to fill tank to desired level with water. 
 
A326.02 WEED CONTROL TABLES 
A326.02 applied as directed in this label will control or partially control the weeds listed in Tables 1 and 2. 
 
Partial control means either erratic control (good to poor control) or control that is below what is regarded as acceptable 
control for commercial weed control. 
 
For best post-emergence results, apply A326.02 to actively growing weeds. 
 
Dry weather following pre-emergence applications may reduce efficacy of residual weed control. If irrigation is available, 
apply ½-1-inch water after pre-emergence application. If irrigation is not available, make a uniform shallow cultivation as 
soon as weeds emerge. 
 
 
A326.02 applied alone or in a tank-mix with atrazine will not provide consistent or adequate control of weeds that are 
resistant to post-emergence HPPD inhibiting herbicides. 
 
Refer to the crop sections of this label for specific use directions and application rates.

9 
 
Table 1. Weeds Controlled with Post-Emergence Applications of A326.02 
 
 
 
 
 
 
 
 
Common Name 
 
Scientific Name 
A326.02 
3 Fl. Oz. /A (0.094 lb. AI/A) 
Applied Alone 
A326.021 
2.5-3.0 Fl. Oz./A (0.078-
0.094 lb. AI/A) + Atrazine 
Apply to Weeds <5” Tall2 
Amaranth, palmer Amaranthus palmeri PC+ C+ 
Amaranth, powell Amaranthus powellii C C 
Amaranth, spiny Amaranthus spinosus C C 
Atriplex Chenopodium orach C C 
Broadleaf signalgrass Urochloa platyphylla C+ C+ 
Buckwheat, wild Polygonum convolvulus PC PC 
Buffalobur Solanum rostratum C C 
Burcucumber Sicyos angulatus PC C+ 
Carpetweed Mollugo verticillata C C 
Carrot, wild Daucus carota PC C 
Chickweed, common Stellaria media C C 
Cocklebur, common Xanthum strumarium C C 
Crabgrass, large Digitaria sanguinalis C+ C+ 
Dandelion Taraxacum officinale NC PC 
Dock, curly Rumex crispus PC PC 
Galinsoga Galinsoga parviflora C C 
Hemp Cannabis sativa C C 
Horsenettle Solanum carolinense PC C 
Jimsonweed Datura stramonium C C 
Horseweed (marestail) Conyza canadensis PC C 
Knotweed, prostrate Polygonum aviculare PC PC 
Kochia Kochia scoparia PC+ C+ 
Lambsquarters, common Chenopodium album C C 
Mallow, Venice Hibiscus trionum NC C 
Morningglory, entireleaf Ipomoea hederacea PC C 
Morningglory, ivyleaf Ipomoea hederacea PC C 
Morningglory, pitted Ipomoea lacunosa PC C 
Mustard, wild Brassica kaber C C 
Nightshade, black Solanum nigrum C C 
Nightshade, Eastern black Solanum ptychanthum C C 
Nightshade, hairy Solanum sarrachoides C C 
Nutsedge, yellow Cyperus esculentus PC PC 
Pigweed, redroot Amaranthus retroflexus C C 
Pigweed, smooth Amaranthus hybridus C C 
Pigweed, tumble Amaranthus albus C C 
Pokeweed, common Phytolacca americana PC PC 
Potatoes, volunteer Solanum spp. C C 
Pusley, Florida Richardia scabra C+ C+ 
Ragweed, common Ambrosia artemisiifolia PC C 
Ragweed, giant Ambrosia trifida C+ C 
Sesbania, hemp Sesbania exaltata C C 
Sida, prickly (teaweed) Sida spinosa NC C+ 
Smartweed, ladysthumb Polygonum persicaria C+ C 
Smartweed, pale Polygonum lapathifolium C+ C 
Smartweed, Pennsylvania Polygonum pensylvanicum C+ C

10 
 
 
Common Name 
 
Scientific Name 
A326.02 
3 Fl. Oz./A (0.094 lb. AI/A) 
Applied Alone 
A326.021 
2.5-3.0 Fl. Oz./A (0.078-
0.094 lb. AI/A) + Atrazine 
Apply to Weeds <5” Tall2 
Sunflower, common Helianthus annuus C C 
Thistle, Canada Circium arvense NC PC 
Velvetleaf Abutilon theophrasti C C 
Waterhemp, common Amaranthus rudis C+ C 
Waterhemp, tall Amaranthus tuberculatus C+ C 
 1A326.02 tank mixture with atrazine is approved only for use on corn and sugarcane. 
2Weeds can be controlled at larger than listed sizes; however, to protect crop yield, manage weed resistance, and provide effective control, treat 
weeds before they reach 5” tall. 
+Apply before weeds exceed 3” tall. 
C = Control NC = Not Controlled PC = Partial Control 
 
 
Table 2. Weeds Controlled with Pre-Emergence Applications of A326.02 
 
 1A326.02 tank mixture with atrazine is approved only for use on corn, grain sorghum and sugarcane. Refer to the crop sections on this label for specific 
use directions. 
 C = Control PC = Partial Control 
Common Name Scientific Name A326.02 Applied Alone A326.02 + Atrazine 1 
Amaranth, palmer Amaranthus palmeri C C 
Amaranth, powell Amaranthus powellii C C 
Amaranth, spiny Amaranthus spinosus C C 
Broadleaf signalgrass Urochloa platyphylla PC PC 
Buffalobur Solanum rostratum C C 
Carpetweed Mollugo verticillata C C 
Chickweed, common Stellaria media C C 
Cocklebur, common Xanthum strumarium PC C 
Crabgrass, large Digitaria sanguinalis PC PC 
Galinsoga Galinsoga parviflora C C 
Jimsonweed Datura stramonium C C 
Kochia Kochia scoparia PC C 
Lambsquarters, common Chenopodium album C C 
Morningglory, entireleaf Ipomoea hederacea PC C 
Morningglory, ivyleaf Ipomoea hederacea PC C 
Morningglory, pitted Ipomoea lacunosa PC C 
Nightshade, Eastern black Solanum ptychanthum C C 
Nightshade, hairy Solanum sarrachoides C C 
Pigweed, redroot Amaranthus retroflexus C C 
Pigweed, smooth Amaranthus hybridus C C 
Pigweed, tumble Amaranthus albus C C 
Ragweed, common Ambrosia artemisiifolia C C 
Ragweed, giant Ambrosia trifida PC C 
Smartweed, ladysthumb Polygonum persicaria C C 
Smartweed, pale Polygonum lapathifolium C C 
Smartweed, Pennsylvania Polygonum pensylvanicum C C 
Sunflower, common Helianthus annuus PC C 
Velvetleaf Abutilon theophrasti C C 
Waterhemp, common Amaranthus rudis C C 
Waterhemp, tall Amaranthus tuberculatus C C

11 
 
 
ROTATIONAL CROP INTERVALS 
If A326.02 is applied alone, follow the crop rotation intervals listed below in Table 3. If A326.02 is tank-mixed with other 
products, then follow the most restrictive product’s crop rotation interval. 
 
Table 3. Time Interval between A326.02 Application and Replanting/Planting of Rotational Crop 
Replant/Rotational Interval Crop 
 
Anytime 
Asparagus, Corn (all types), Cranberry, Flax, Kentucky bluegrass grown for seed, Pearl 
Millet, Oats, Rhubarb, Ryegrass (perennial and annual) grown for seed, Sorghum (grain 
and sweet), Sugarcane, Tall fescue grown for seed 
4 Months Small grain cereals (wheat, barley, rye) 
10 Months Alfalfa, Blueberry, Canola, Cotton, Currant, Lingonberry, Okra, Peanuts, Peas*, Potato, 
Rice, Snap Beans*, Soybeans, Sunflowers, Tobacco 
18 Months Cucurbits, Dry beans, Red Clover, Sugar Beets, All other crops 
*Plant these rotation crops ONLY if the criteria listed below have been met. If all criteria have NOT been met, plant peas and snap beans a minimum 
of 18 months following A326.02 application. 
 
x A minimum of 20 inches of rainfall plus irrigation has occurred between application and planting of the rotational 
crop. 
x Soil pH is greater than 6.0. 
x 3 fl. oz./A (0.094 lb. AI/A) or less of this product has been applied no later than June 30 th the year preceding 
rotational crop planting. 
x No other HPPD herbicides (e.g., Mesotrione, Glyphosate + Mesotrione + S-Metolachlor, + S-Metolachlor 19% 
Atrazine 18.61% + Mesotrione 2.44%, S-Metolachlor 27.1% + Atrazine 9.94%+ Mesotrione 2.71%, Mesotrione + 
S-Metolachlor, Topramezone, Isoxaflutole, Thiencarbazone-methyl + Tembotrione, Thiencarbazone-methyl + 
Isoxaflutole, or Tembotrione) were applied the year prior to planting peas and snap beans. 
RESTRICTION: 
x DO NOT plant peas or snap beans on sand, sandy loam, or loamy sand soils in Minnesota or Wisconsin. 
 
CROP USE DIRECTIONS – CORN 
Apply A326.02 by ground for pre-emergence or post-emergence weed control in field corn, seed corn, yellow popcorn, 
and sweet corn. Apply A326.02 to corn up to 30” tall or up to the 8-leaf stage of corn growth to control broadleaf and 
grass weeds listed in Tables 1 and 2. 
 
Aerial applications of A326.02 can be made pre-emergence or post-emergence in the following states: Alabama, Arizona, 
Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, 
Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, 
Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, 
Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, 
Virginia, Washington, West Virginia, Wisconsin, and Wyoming. 
 
See seed company instructions for use on field corn inbred lines. Special adjuvant restrictions must be followed for post- 
emergence applications of A326.02 in yellow popcorn or sweet corn (see the Spray Additives section of this label). 
 
Post-emergence application of A326.02 to yellow popcorn and sweet corn hybrids may cause crop bleaching. Bleach 
is transitory and will not affect final yield or quality. Herbicide sensitivity, however, can vary widely in yellow popcorn and 
sweet corn, and all hybrids of these have not been tested. Contact your local popcorn/sweet corn company, Fieldman, 
or University Specialist to learn about hybrid directions before making a post-emergence application of A326.02 to 
yellow popcorn or sweet corn. DO NOT include nitrogen based adjuvants (UAN or AMS) when making post-emergence 
applications of A326.02 to yellow popcorn or sweet corn. 
 
Temporary transient bleaching may occur in field corn treated with A326.02 post-emergence under extreme weather 
conditions or when the crop is under stress. Field corn will quickly outgrow this condition and develop normally. 
 
Corn Restrictions: 
x DO NOT apply more than 7.7 fl. oz./A (0.24 lb. mesotrione AI/A) of A326.02 per year. 
x DO NOT make more than 2 applications per year when using reduced application rates. 
x DO NOT exceed 7.7 fl. oz. (0.24 lb. AI/A) in a single pre-emergence application.

12 
 
x DO NOT exceed 3.0 fl. oz. (0.094 lb. AI/A) in a single post-emergence application. 
x Minimum retreatment interval is 14 days. 
x DO NOT feed or harvest forage, grain, or stover within 45 days after application. 
x DO NOT apply A326.02 to white popcorn or ornamental (Indian) corn. 
A326.02 Used Alone – Post-Emergence 
Apply 3.0 fl. oz./A (0.094 lb. AI/A) per application. Always add an appropriate adjuvant to the spray tank (see the Spray 
Additives section of this label). 
 
Apply to actively growing weeds. See Table 1 for a complete list of weeds controlled. Susceptible weeds that emerge post- 
application may be controlled after the herbicide is absorbed into the soil. A326.02 will not control most grass weeds. 
 
Two post-emergence applications of A326.02 may be made under the following restrictions: 
x Only one post-emergence application may be made if A326.02 has been applied pre-emergence. DO NOT exceed 
a total of 7.7 fl. oz./A (0.24 lb. AI/A) per year. 
x Minimum retreatment interval is 14 days. 
x Applications made at rates lower than 3.0 fl. oz./A. (0.094 lb. AI/A) post-emergence may not provide adequate 
weed control and may result in reduced residual control. 
x DO NOT exceed a total of 6.0 fl. oz./A (0.19 lb. AI/A) for the two post-emergence applications. 
x If a post-emergence application of A326.02 was made to ground that received pre-emergence treatment of 
another mesotrione-containing herbicide, atrazine must be tank mixed with A326.02. 
x If mixing A326.02 with atrazine, DO NOT apply to corn taller than 12”. 
x Treat corn up to 30” tall or up to the 8-leaf stage of growth. 
x DO NOT harvest, forage, or stover within 45 days post-application. 
A326.02 Used Alone – Pre-Emergence 
Apply 6.0-7.7 fl. oz./A (0.19-0.24 lb. AI/A) by ground sprayer in 10-30 gals. of water per acre to control broadleaf weeds 
(up to 80 gals. if applied with liquid fertilizer). See Table 2 for a complete list of weeds controlled. A326.02 can be tank 
mixed with other approved pre-emergence grass herbicides to control grasses. Refer to the tank mix section for a list of 
tank-mix partners. 
 
A326.02 Tank Mixtures for Corn 
Apply A326.02 in tank mix with other registered herbicides to improve spectrum of weed control in burndown, pre-
emergence, or post-emergence applications. These tank mixtures can also be used to include a different mode of action 
herbicide to control and manage the development of resistant weed biotypes. 
 
It is the pesticide user’s responsibility to ensure that all products are registered for the intended use. Read and follow the 
applicable restrictions and limit ations and directions for use on all product labels involved in tank mixing. Users must 
follow the most restrictive directions for use and precautionary statements of each product in the tank mixture. 
 
Burndown Tank Mixtures in Corn 
Apply A326.02 in tank mixture with other registered herbicides for burndown and residual weed control. 
 
It is the pesticide user’s responsibility to ensure that all products are registered for the intended use. Read and follow the 
applicable restrictions and limitations and directions for use on all product labels involved in tank mixing. Users must follow 
the most restrictive directions for use and precautionary statements of each product in the tank mixture. 
 
Apply 3.0 fl. oz./A (0.094 lb. AI/A) A326.02 with paraquat dichloride, glyphosate-isopropylammonium, dicamba, 
diglycolamine salt, and/or for improved broadleaf weed control with limited residual control before planting corn and 
before corn emergence. For better residual control, apply 6.0-7.7 fl. oz./A (0.19-0.24 lb. AI/A) A326.02 (see Table 2) with 
the products listed. Use the adjuvant system specified by the burndown herbicide. Refer to individual product labels for 
precautionary statements, restrictions, rates, approved uses, and a list of weeds controlled. 
 
Pre-Emergence Tank Mixture in Corn 
Apply 5.3-7.7 fl. oz./A (0.16-0.24 lb. AI/A) of A326.02 in tank mixture with other registered herbicides (Table 4) for pre- 
emergence residual weed control. Refer to Table 2 for a list of weeds controlled by A326.02 applied pre- emergence.

13 
 
Table 4. A326.02 Tank Mixtures for Pre-Emergence Application in Corn 
Refer to the individual product labels of the products listed for precautionary statements, restrictions, use rates, approved 
uses, and a list of weeds controlled. 
 
Acetochlor 
 
Atrazine + glyphosate-isopropylammonium + 
 S-Metolachlor 
Metolachlor/S-Metolachlor 
 
Acetochlor + Atrazine Atrazine + Metolachlor/S-metolachlor Pendimethalin 
Atrazine Atrazine + Metolachlor/S-metolachlor + Glyphosate 
 
Atrazine + 
Dimethenamid/Dimethenamid-P 
Dimethenamid/Dimethenamid-P 
 
Post-Emergence Tank Mixtures in Corn 
See Table 5 below for a list of tank mixtures that can be applied after corn has emerged. DO NOT apply less than 3.0 fl. oz./A 
(0.094 lb. AI/A) of A326.02 unless specified on this label, as a loss of residual control can occur. 
 
Always add an appropriate adjuvant to the spray tank (See the Spray Additives section of this label). Refer to the individual 
product labels for precautionary statements, restrictions, rates, approved uses, and a list of weeds controlled. Not all of 
the tank mix pesticides listed are registered for use on field corn, yellow popcorn, or sweet corn. 
 
Table 5. A326.02 Tank Mixtures for Post-Emergence Application to Corn 
Refer to the individual product labels for products listed for precautionary statements, restrictions, use rates, approved 
uses, and a list of weeds controlled. 
Tank Mix Partner Use Directions 
Solo acetochlor products 
Acetochlor + Atrazine 
When using these tank mixtures, it is recommended to leave the nitrogen based adjuvant (UAN 
or AMS) out of the mixture or apply as a post-directed spray to minimize contact with crop 
foliage. 
Do not use crop oil concentrate (COC); use a non-ionic surfactant (NIS) to avoid crop injury. 
Control of emerged weeds can be reduced due to the adjuvant effect on weed coverage 
Atrazine See Table 1 for application rates and list of weeds controlled. 
Atrazine + 
Metolachlor/ 
 S-metholachlor 
When using these tank mixtures, it is recommended to leave the nitrogen based adjuvant (UAN 
or AMS) out of the mixture or apply as a post-directed spray to minimize contact with crop 
foliage. 
Do not use crop oil concentrate (COC); use a non-ionic surfactant (NIS) to avoid crop injury. 
Control of emerged weeds can be reduced due to the adjuvant effect on weed coverage. 
Atrazine + 
Metolachlor/ 
S-metolachlor + 
Glyphosate 
Use only on glyphosate tolerant corn (e.g., Agrisure® GT, Roundup Ready®) 
Crop death will occur if this mixture is applied to a corn hybrid that is not glyphosate tolerant. 
DO NOT add urea ammonium nitrate (UAN) or methylated seed oil (MSO) adjuvants to this 
mixture or crop injury can occur. 
Metolachlor 
/S-metolachlor 
When using these tank mixtures, it is recommended to leave the nitrogen based adjuvant (UAN 
or AMS) out of the mixture or apply as a post-directed spray to minimize contact with crop 
foliage. 
Do not use crop oil concentrate (COC); use a non-ionic surfactant (NIS) to avoid crop injury. 
Control of emerged weeds can be reduced due to the adjuvant effect on weed coverage. 
Bentazon This mixture will provide additional broadleaf weed control. Refer to the product label for a list 
of weeds controlled. 
Nicosulfuron This mixture will provide additional grass control. Refer to the product label for a list of 
weeds controlled. 
Sodium salt of bentazon This mixture will provide additional broadleaf weed control. Refer to the product label for a list 
of weeds controlled. 
Rimsulfuron + 
Thifensulfuron methyl 
 
This mixture will provide additional weed control. Refer to the product label for a list of 
weeds controlled.

14 
 
Atrazine + Nicosulfuron + 
Rimsulfuron 
Atrazine + S-
Metolachlor 
 
Citric acid 
DO NOT use nitrogen based adjuvants (UAN or AMS); apply as post-directed spray. 
DO NOT use crop oil concentrate (COC); use a non-ionic surfactant (NIS) to avoid crop 
injury. Control of emerged weeds can be reduced due to the adjuvant effect on weed 
coverage. 
Bromoxynil octanoate This mixture will provide additional broadleaf weed 
control. 
Refer to the product label for use rates. 
Glufosinate 
 
Use only on corn designated as LibertyLink®. 
Use of this mixture on corn hybrids not designated as LibertyLink® will result in severe crop 
injury or death. 
DO NOT use crop oil concentrate (COC) as an adjuvant or crop injury can occur. 
Imazapyr + Imazethapyr Use only on corn designated at Clearfield® corn. 
Use of this mixture on corn hybrids not designated as Clearfield® will result in severe crop 
injury or death. 
DO NOT use Methylated Seed Oil (MSO) or any MSO blend with this mixture or severe crop 
injury can occur. 
Dicamba, Sodium salt + 
Primisulfuron-methyl 
This mixture will control additional weeds. See product label for list of weeds controlled. 
Prosulfuron This mixture will control additional weeds. See product label for list of weeds controlled. 
Primisulfuron-methyl + 
Prosulfuron 
This mixture will control additional weeds. See product label for list of weeds controlled. 
Pyroxasulfone This mixture will provide additional weed control. See product label for list of weeds controlled. 
Nicosulfuron + 
Rimsulfuron 
 
Nicosulfuron + 
Rimsulfuron + 
Atrazine 
This mixture will control additional weeds. See product label for list of weeds controlled. 
Nicosulfuron + 
Thifensulfuron-methyl 
This mixture will control additional weeds. See product label for list of weeds controlled. 
Solo Thifensulfuron-
methyl products 
Thifensulfuron-methyl 
+ Tribenuron-methyl 
This mixture will provide additional weed control. See product label for list of weeds controlled. 
 Glyphosate Use only on corn Agrisure® GT corn or Roundup Ready® corn. 
Use of this mixture on corn hybrids that are not designated as Agrisure® GT or Roundup Ready® 
will result in crop death. Add spray-grade ammonium sulfate (AMS) at a rate that delivers 8.5-
17.0 lbs. of AMS/100 gals. of water. 
If the glyphosate product calls for an adjuvant in addition to AMS, add 0.25-0.5% v/v 
(1-2 quarts/100 gallons) of a non-ionic surfactant (NIS). 
DO NOT add urea ammonium nitrate (UAN), crop oil concentrate (COC) or methylated seed oil 
(MSO) adjuvants to this tank mixture or crop injury can occur. 
 
CROP USE DIRECTIONS – ASPARAGUS 
A326.02 can be applied broadcast or banded at a rate of 3.0-7.7 fl. oz./A (0.094-0.24 lb. AI/A) to asparagus as a spring 
application prior to spear emergence, as a post-harvest application (after final harvest), or both. 
 
Use the 3.0 fl. oz./A (0.094 lb. AI/A) rate for post-emergence control or partial control of the emerged weeds listed in 
Table 1. Use the 6.0-7.7 fl. oz./A (0.19-0.24 lb. AI/A) rate for pre-emergence control or partial control of the weeds listed 
in Table 2. For banded applications, the application must be made to account for band width, i.e., to deliver 3.0-7.7 fl. oz. 
(0.094-0.24 lb. AI) per treated acre. For the best pre- emergence weed control with spring applications, A326.02 must be 
applied after fern mowing, disking or other tillage operation but prior to asparagus spear emergence.

15 
 
 
When making post-harvest applications, the rate applied pre-emergence in the spring must be taken into account so as 
not to exceed the 7.7 fl. oz./A (0.24 lb. AI/A) per year rate limit. Post-harvest applications must be made in a way that 
minimizes contact with any standing asparagus spears or ferns and ma ximizes contact with the weeds and/or soil, e.g., 
by using a directed or semi-directed type application, or crop injury may occur. With post-harvest applications, the use 
of an adjuvant will increase the risk of crop injury. 
 
If weeds are emerged at the time of the A326.02 application, the addition of a crop oil concentrate (COC) type adjuvant at 
the rate of 1% v/v or a non-ionic surfactant (NIS) at the rate of 0.25% v/v is advised. In addition to COC or NIS, a spray grade 
UAN (e.g., 28-0-0) at the rate of 2.5% v/v or ammonium sulfate (AMS) at the rate of 8.5 lbs./100 gallons of spray solution 
may be added for improved burndown of emerged weeds. If weeds have not yet emerged, no adjuvant is advised. 
 
Asparagus Restrictions: 
x DO NOT apply more than 7.7 fl. oz./A (0.24 lb. AI/A) of A326.02 per year. 
x DO NOT apply more than 7.7 fl. oz./A (0.24 lb. AI/A) in a single application. 
x DO NOT make more than two A326.02 applications per year when using reduced application rates. 
x Minimum retreatment interval is 14 days. 
 
CROP USE DIRECTIONS - BLUEGRASS, RYEGRASS (ANNUAL AND PERENNIAL), AND TALL FESCUE GROWN FOR SEED 
A326.02 can be applied to bluegrass, annual ryegrass, perennial ryegrass, or tall fescue which is grown for seed. A326.02 
can be applied as a pre-emergence application to bare soil (new seeding) or as a post- emergence application to an emerged 
grass crop. 
 
Pre-Emergence Applications 
Apply A326.02 as a broadcast, surface spray at a rate of 6.0 fl. oz./A (0.19 lb. AI/A) to a newly seeded crop. The A326.02 
application must be made prior to crop and weed emergence. Rainfall or irrigation as the newly seeded grass crop emerges 
from the soil may increase the risk of injury from A326.02. Grass crop injury symptoms include temporary bleaching of newly 
emerged leaves, or in extreme conditions, stunting. For a list of pre-emergence weeds controlled or partially controlled 
see Table 2. In addition to the weeds listed in Table 2, A326.02 applied pre-emergence will control mannagrass. 
 
Post-Emergence Application 
Apply A326.02 as a broadcast post-emergence spray at a rate of 3.0-6.0 fl. oz./A (0.094-0.19 lb. AI/A) to emerged 
bluegrass, perennial ryegrass or tall fescue grown for seed. Use the 3.0 fl. oz./A (0.094 lb. AI/A) rate for post-emergence 
control or partial control of the weeds listed in Table 1. In addition to the weeds listed in Table 2, A326.02 applied post-
emergence will control mannagrass (up to 3 tillers). 
 
Use the 6.0 fl. oz./A (0.19 lb. AI/A) rate for post-emergence weed control plus extended residual weed control (see Table 2). 
The addition of a crop oil concentrate type adjuvant at 1% v/v or a non-ionic surfactant (NIS) type adjuvant at a rate of 
0.25% v/v is advised. Post-emergence applications of A326.02 may result in temporary bleaching of the grass crop. 
 
In addition to COC or NIS, a spray grade UAN (e.g., 28-0-0) at the rate of 2.5% v/v or ammonium sulfate (AMS) at the rate 
of 8.5 lbs./100 gallons of spray solution may also be added for improved control of emerged weeds. The addition of UAN 
or AMS will improve consistency of post-emergence weed control but will also increase the risk of grass crop injury, 
especially at A326.02C rates greater than 3.0 fl. oz./A (0.094 lb. AI/A). If grass crop injury is a concern, do not add UAN or 
AMS to the spray solution. 
 
Tank mixing other pesticides with A326.02 post-emergence may increase the risk of crop injury. Avoid adding pesticides 
with emulsifiable concentrate (EC) type formulations to A326.02 for applications made post-emergence to the crop. 
 
Restrictions: 
x DO NOT harvest the grass crop for seed or straw within 60 days following the application of A326.02. 
x DO NOT graze or feed forage from treated areas within 14 days following harvest of seed or straw and at least 
74 days after application of A326.02. 
x DO NOT make more than two applications of A326.02 per year. 
x Minimum retreatment interval is 14 days. 
x DO NOT apply more than 6 fl. oz./A (0.19 lb. AI/A) in a single application and not more than 9 fl. oz./A (0.282 lb. AI/A) 
of A326.02 per year. 
x Applications of A326.02 to grasses grown for seed species not listed on this label may result in severe injury.

16 
 
 
CROP USE DIRECTIONS – BUSH AND CANEBERRIES (CROP GROUP 13-07A AND 13-07B) 
Note: Not all cultivars and types of berries that are included within the Environmental Protection Agencies definition of 
bush and caneberries (Crop Subgroups 13-07A and 13-07B) have been tested and shown to have adequate crop safety to 
mesotrione. Those that have been tested, and are believed to be reasonably fit, are listed below along with use directions 
for that crop. If A326.02 is used on bush or caneberries not listed below, severe crop injury may occur. 
 
A326.02 may be applied as a pre-bloom post-directed spray in high bush blueberry, lingonberry, red currant, black 
currant, black raspberry, red raspberry, and blackberry . For a list of weeds controlled see Tables 1 and 2. A326.02 may 
be applied in bush or caneberries at a rate up to 6 fl. oz./A (0.19 lb. AI/A). If a split application weed control program is 
desired, 3 fl. oz./A (0.094 lb. AI/A) followed by 3 fl. oz./A (0.094 lb. AI/A) may be used, but no more than two applications 
per year are allowed and not more than 6 fl. oz./A (0.19 lb. AI/A) in total per year. If two applications are made, they 
must be made no closer than 14 days apart. The use of a crop oil concentrate (COC) type adjuvant at the rate of 1% v/v is 
advised, but avoid using COC adjuvants that are injurious to bush or caneberry leaves. DO NOT apply A326.02 to bush 
or caneberries after the onset of the bloom stage or illegal residues may occur. 
 
In low bush blueberries, A326.02 may only be applied in the non-bearing year. This application may be a broadcast 
application. Up to 6 fl. oz./A (0.19 lb. AI/A) of A326.02 may be applied in a single application, or 3 fl. oz./A (0.094 lb. 
AI/A) followed by 3 fl. oz./A (0.094 lb. AI/A) if used in a split application program. No more than two applications per year 
are allowed and not more than 6 fl. oz./A (0.19 lb. AI/A) in total per year. If two applications are made, they must be made 
no closer than 14 days apart. The use of a crop oil concentrate (COC) type adjuvant at 1% v/v is advised. Applications of 
A326.02 during dry weather conditions and/or temperatures above 85° can cause injury to low bush blueberries. 
Applications of A326.02 can cause yellowing or necrosis of leaves and under severe conditions, leaf drop may occur 
especially on “Sourtop” variety blueberries. 
 
Bush & Caneberry Restrictions: 
x DO NOT make more than two applications of A326.02 per year when using reduced application rates. 
x DO NOT apply more than 6.0 fl. oz./A (0.19 lb. AI/A) in a single application. 
x DO NOT apply more than 6.0 fl. oz./A (0.19 lb. AI/A) per year. 
x If two applications are made, they must be made no closer than 14 days apart. 
CROP USE DIRECTIONS – CITRUS FRUIT, POME FRUIT, STONE FRUIT AND TREE NUTS 
 
A326.02 may be used for postemergence and residual control of weeds listed in Tables 1 and 2 in the following crops. 
 
Citrus fruit – group 10-10 (Australian desert lime, Australian finger lime, Australian round lime, Brown River finger lime, 
calamondin, citron, citrus hybrids, grapefruit, Japanese summer grapefruit, kumquat, lemon, lime, Mediterranean 
mandarin, sour orange, sweet orange, pummelo, Russell Ri ver lime, Satsuma mandarin, sweet lime, Tachibana orange, 
Tahiti lime, tangelo, tangerine (Mandarin), tangor, trifoliate orange, uniq fruit, cultivars, varieties and/or hybrids of these) 
 
Pome fruit – group 11-10 (apple, azarole, crabapple, loquat, mayhaw, medl ar, pear, Asian pear, quince, Chinese quince, 
Japanese quince, tejocote, cultivars, varieties and/or hybrids of these) 
 
Stone fruit – group 12-12 (apricot, Japanese apricot, capulin, black cherry, Nanking cherry, sweet cherry, tart cherry, 
Chinese jujube, nectarine, peach, plum, American plum, beach plum, Canada plum, cherry plum, Chickasaw plum, Damson 
plum, Japanese plum, Klamath plum, prune plum, plumcot, sloe, cultivars, varieties and/or hybrids of these) 
 
Tree nuts – group 14-12 (African nut-tree, almond, beech nut, Brazil nut, Brazilian pine, bunya, bur oak, butternut, Cajou 
nut, candlenut, cashew, chestnut, chinquapin, coconut, Coquito nut, Dika nut, ginkgo, Guiana chestnut, hazelnut (filbert), 
heartnut, hickory nut, Japanese horse-chestnut, macadamia nut, Mongongo nut, monkeypot, monkey puzzle nut, Okari nut, 
Pachira nut, peach palm nut, pecan, pequi, pili nut, pine nut, pistachio, Sapucaia nut, tropical almond, black walnut, English 
walnut, yellowhorn, cultivars, varieties and/or hybrids of these) 
 
Precautions: 
x Avoid crop injury by applying the spray to the grove or orchard floor and to the weeds, while avoiding contact with 
crop foliage, stems or fruit.

17 
 
x Contact of A326.02 with crop can result in bleaching injury that is typically temporary. 
x Use trunk guards to protect plants until adequate bark has developed. 
x Specified rates are based on broadcast treatment. For band applications around trees in fruit or nut plantings, 
reduce the broadcast rate of A326.02 and carrier per acre in proportion to the area actually sprayed. (See Banded 
Applications Section) 
 
Restrictions: 
x Apply A326.02 only to pome fruit, stone fruit and nut trees that have been established for a minimum of 12 months. 
A326.02 can be applied in citrus trees or plantings that are less than 12 months old and are exhibiting normal growth 
and vigor. 
x DO NOT apply in stressed orchards - stressed due to poor weather or other abiotic factors. 
x DO NOT exceed a total of 12 fl. oz. per acre (0.376 lb. a.i./A) of A326.02 per year or in a 12-month period. 
x DO NOT exceed 6 fl.oz. per acre (0.19 lb a.i./A) of A326.02 for the first application. 
x DO NOT exceed 3 applications per year or in a 12-month period when using reduced application rates. 
x Allow at least 5 months between applications of A326.02 at 6 fl. oz./A (0.19 lb a.i./A) and at least 6 weeks between 
applications of 6 fl. oz./A (0.19 lb a.i./A) and subsequent applications of 3 fl. oz./A. (0.094 lb a.i./A) (Applications 
must follow one of the four programs listed in Table 6 below.) 
x Pome fruit, stone fruit or tree nuts Pre Harvest Interval (PHI) is 30 days. 
x Citrus Pre Harvest Interval (PHI) is 1 day. 
x DO NOT use on soils with greater than 20% gravel. 
x DO NOT apply A326.02 through any type of irrigation system. 
x DO NOT apply A326.02 by air. 
 
Spray Adjuvants 
For application to emerged weeds, the use of COC (crop oil c o n c e n t r a t e ) t y p e a d j u v a n t a t 1 % v / v o r N I S ( n o n - i o n i c 
surfactant) at 0.25% v/v is advised. Addition of AMS (ammoniu m sulfate) or other nitrogen-based adjuvants will increase 
efficacy when used in combination with COC or NIS. For more information see Spray Adjuvants section on this label. 
 
Banded Applications 
When applying a row or banded treatment of A326.02, the following formula may be used to calculate the amount per 
acre: 
 
band width in inches 
row width in inches X broadcast rate per acre = Amount needed per acre of field. 
 
Tank Mix Instructions 
A326.02 may be mixed and applied in combination with most commonly used herbicides registered for use in the approved 
crops in order to expand the postemergence weed control – spectrum and residual activity. Acceptable tankmix partners 
include: Helmquat (EPA Reg. No. 74530-48, paraquat-dichloride), Gramoxone SL 2.0 (EPA Reg. No. 100-1431, paraquat-
dichloride), Helosate PlusAdvance (EPA Reg. No. 74530-43, Glyphosate-isopropylammonium), Touchdown Total (EPA Reg. 
No. 100-1169, Glycine, N-(phosphonomethyl)- potassium salt), Touchdown HiTech (EPA Reg. No. 100-1182, Glycine, N-
(phosphonomethyl)- potassium salt), Rely® 280 (EPA Reg. No. 7969-448, glufosinate), GoalTender® (EPA Reg. No. 62719-
447, oxyfluorfen), Princep® (EPA Reg. No. 100-526, somazine), Solicam®(EPA Reg. No. 61842-41, norflurazon), Tetris™ SG 
(EPA Reg. No. 91234-85, rimsulfuron), Surf l a n ® ( E P A R e g . N o . 7 0 5 0 6 - 4 3 , o r y z a l i n ) , P r o w l H 2 O ( E P A R e g . N o . 2 4 1 - 4 1 8 , 
pendimethlin), Karmex® (EPA Reg. No. 66222-51, diuron), Hyvar® (EPA Reg. No. 432-1546, bromacil), Krovar® (EPA Reg. No. 
5481-635, bromacil + diuron) or Alion® (EPA Reg. No. 264-1106, indaziflam). Tank mixtures can be effective tools to help 
control or manage the development of resistant weeds. The a pplication of mixtures or sequences of effective herbicides, 
with different sites of action, can provide the diversity needed for management of herbicide resistance. 
 
Refer to individual product labels for precautionary statemen ts, restrictions, rates, approved uses and a list of weeds 
controlled.

18 
 
Weed Control (Table 1 and 2) 
A326.02 provides both preemergence and postemergence control of susceptible weeds. Best control is obtained from 
preemergence applications before germination of seed or as postemergence applications are made before weeds reach 5 
inches in height. Susceptible weeds are listed in Tables 1 and 2 of this label. Rainfall or irrigation soon after application will 
enhance preemergence activity. 
 
USE DIRECTIONS 
Apply as a directed or shielded spray. Avoid contact with trunk surfaces, fruit or crop foliage. DO NOT apply when nuts or 
fruits are on the ground at harvest. Ensure that soil is firm, settled and relatively free of tras h at time of application. Als o 
e n s u r e t h a t t h e s o i l i s f r e e o f d e p r e ssions around trees where rain or irrigation water can concentrate. Apply the first 
application of A326.02 in late fall/early winter or spring and subsequent applications utilizing one of the programs noted in 
the Table 6. 
 
Table 6. A326.02 Application Programs, Rates and Intervals 
 
Program Application Rate (fl. oz./A Application Interval 
(Wk.) 
1st Application 2 nd Application 3 rd Application 
1 6 6 - 20 
2 6 3 - 6 
3 6 3 3 6 
4 3 3 3 6 
 
Apply A326.02 in a spray volume of 10-40 gal/A. 
 
For effective residual weed control, A326.02 must be moved into the weed seed germination zone. For preemergence weed 
control, apply A326.02 before rainfall or irrigation. For optimum residual control A326.02 can be tank-mixed with residual 
herbicides including: Princep® (EPA Reg. No. 100-526, somazine), Solicam®(EPA Reg. No. 61842-41, norflurazon), Tetris™ SG 
(EPA Reg. No. 91234-85, rimsulfuron), Goal Tender (EPA Reg. No. 62719-447, oxyfluorfen), Prowl (EPA Reg. No. 241-418, 
pendimethlin), Karmex® (EPA Reg. No. 66222-51, diuron), Hyvar® (EPA Reg. No. 432-1546, bromacil), Krovar® (EPA Reg. No. 
5481-635, bromacil + diuron) or Alion® (EPA Reg. No. 264-1106, indaziflam). 
 
For optimum postemergence weed control, apply A326.02 to actively growing weeds in tank mixture with burndown 
herbicides including: Helmquat 3SL (EPA Reg. No. 74530-48, paraquat-dichloride), Gramoxone SL 2.0 (EPA Reg. No. 100-
1431, paraquat-dichloride), and glyphosate products including: Helosate Plus Advance (EPA Reg. No. 74530-43), Touchdown 
Total (EPA Reg. No. 100-1169) or Touchdown HiTech (EPA Reg. No. 100-1182), Rely 280 (EPA Reg. No. 7969-448, glufosinate) 
or GoalTender (EPA Reg. No. 62719-447, oxyfluorfen) before weeds exceed 5 inches in height. 
 
Subsequent application(s) of A326.02 can be made alone or in tank mixture, wi th the herbicides noted above, if weed 
emergence occurs. 
 
Refer to individual product labels for precautionary statemen ts, restrictions, rates, approved uses and a list of weeds 
controlled. 
CROP USE DIRECTIONS – CRANBERRY 
Apply A326.02 to bearing or non-bearing cranberry beds to control or suppress the weeds listed in Tables
 1 and 2, and: 
x bog St. John’s wort (Hypericum boreale) 
x rushes (Juncus canadensis, J. effuses, J. bufonulus, J. tenuis) 
x sedges spp. (Carex spp.) 
x silverleaf (Potentilla pacifica) 
x yellow loosestrife (Lysimachia terrestris) 
RESTRICTIONS for Bearing/Non-Bearing Application Rates: 
x Apply up to 8 fl. oz./A (0.25 lb. AI/A) in a single application, but DO NOT apply more than 16 fl. oz./A (0.5 lb. AI/A) 
in total per year.

19 
 
x DO NOT make more than two applications per year. 
x If two applications are made, DO NOT make them closer than 14 days apart. Use 1% v/v of a crop oil 
concentrate (COC) or 0.25% v/v non-ionic surfactant (NIS). 
x DO NOT use COC adjuvants that are known to injure cranberry leaves. 
x Non-bearing Cranberries: Apply after the bud break stage no less than 45 days before flooding in fall or winter. 
x Bearing Cranberries: Apply after the bud break stage no less than 45 days before flooding or harvest. 
A326.02 can be applied through irrigation systems (chemigation) including center pivot or solid set. 
Cranberry Restrictions: 
x DO NOT make more than two applications of A326.02 per year. 
x DO NOT apply more than 8.0 fl. oz./A (0.25 lb. AI/A) in a single application. 
x DO NOT apply more than 16.0 fl. oz./A (0.5 lb. AI/A) per year. 
x If two applications are made, they must be made no closer than 14 days apart. 
Sprinkler Irrigation Application – Cranberries Only 
Check the irrigation system to ensure uniform application of water to all areas. Thorough coverage of foliage is required 
for optimal control. Maintain good agitation in the pesticide supply tank prior to and during the entire application process. 
Inject the specified rate of A326.02 into the irrigation system with a metering device designed to introduce a constant 
flow and that will distribute the product to target areas in 0.1-0.2 acre-inch of water. Use the least amount of water with 
this rate range required for proper distribution and coverage. 
 
After application is complete, flush the entire irrigation and injection systems with clean water before stopping the system. 
If application is being made during a normal irrigation set of a stationary sprinkler, the specified rate of A326.02 the area 
covered needs to be injected into the system only during the end of the irrigation set for sufficient time to provide optimal 
coverage and distribution. 
 
CHEMIGATION USE PRECAUTIONS – SPRINKLER IRRIGATION APPLICATION 
Apply this product through center pivot or solid set sprinkler irrigation systems only. DO NOT apply this product through 
any other type of irrigation system. 
 
Non-uniform distribution of treated water can cause crop injury, product ineffectiveness, and/or illegal pesticide residues 
in the crop. Contact State Extension Service Specialists, equipment manufacturers or other experts if you have questions 
about calibrating equipment. 
DO NOT connect an irrigation system or greenhouse system used for pesticide application to any public water system. A 
public water system is any system used for provision to the public of piped water for human consumption if such system 
has at least 15 service connections or regularly serves an average of at least 25 individuals daily at least 60 days out of the 
year. A person knowledgeable of the chemigation system and responsible for its operation or under the supervision of the 
responsible personal shall shut the system down and make necessary adjustments if the need arise. 
 
The system must contain a functional check valve, vacuum relief valve, and low pressure drain appropriately located on 
the irrigation pipeline to prevent water source contamination from back-flow. The pesticide injection pipeline must 
contain a functional, automatic, quick-closing check valve to prevent the flow of fluid back toward the injection pump. 
The pesticide injection pipeline must also contain a functional, normally closed solenoid-operated valve located on the 
intake side of the injection pump and connected to the system interlock to prevent fluid from being withdrawn from the 
supply tank when the irrigation system is either automatically or manually shut down. The system must contain functional 
interlocking controls to automatically shut off the pesticide injection pump when the water pump motor stops. The 
irrigation line or water pump must include a functional pressure switch which will stop the water pump motor when 
pressure decreases to the point where pesticide distribution is adversely affected. Systems must also use a metering 
pump, including a positive displacement injection pump (e.g., diaphragm pump) effectively designed and constructed of 
materials that are compatible with pesticides and are capable of being fitted with a system interlock. 
Any alternatives to the above required safety devices must conform to the list of EPA approved alternative devices. 
 
CHEMIGATION USE RESTRICTIONS – SPRINKLER IRRIGATION APPLICATION 
x DO NOT apply this product through any other type of irrigation system. 
x DO NOT apply when wind speed favors drift beyond the area intended for treatment or non-uniform 
distribution of treated water. 
x DO NOT apply directly to water or areas where surface water is present outside the bog system.

20 
 
x DO NOT contaminate water when disposing of equipment washwater or rinsate. 
x DO NOT apply within 10 feet of surface water outside the bog system. 
x DO NOT spray to runoff. 
CROP USE DIRECTIONS – FLAX 
A326.02 may be applied pre-emergence in flax, i.e., after planting but before crop emergence, at a rate up to 6 fl. oz./A 
(0.19 lb. AI/A). For a list of weeds controlled see Tables 1 and 2. DO NOT apply more than one application, and not more 
than 6 fl. oz./A (0.19 lb. AI/A), per year in flax. If weeds ar e emerged at the time of application, the use of a crop oil 
concentrate (COC) type adjuvant at the rate of 1% v/v is advised. In addition, a spray grade UAN (e.g., 28-0-0) at the rate 
of 2.5% (v/v) or AMS at the rate of 8.5 lbs./100 gals. of spray solution may be added to improve the burndown of existing 
weeds. Applications of A326.02 to emerged flax can result in severe crop injury. 
 
Flax Restrictions: 
x DO NOT make more than one application of A326.02 per year. 
x DO NOT apply more than 6.0 fl. oz./A (0.19 lb. AI/A) in a single application. 
x DO NOT apply A326.02 more than 6.0 fl. oz./A (0.19 lb. AI/A) per year. 
CROP USE DIRECTIONS – OATS 
A326.02 can be applied pre-emergence or post-emergence (but not both) for weed control in oats. 
 
For pre-emergence control or partial control of the weeds listed in Table 2, apply A326.02 broadcast at a rate of 6.0 fl. oz./A 
(0.19 lb. AI/A) prior to oat emergence. For best pre-emergence weed control, the A326.02 application must be made prior to 
weed emergence. 
 
For post-emergence (after oat emergence) control or partial control of the weeds listed in Table 1, apply A326.02 
at a rate of 3.0 fl. oz./A (0.094 lb. AI/A). For best results, A326.02 must be applied to emerged weeds that are less than 5” 
tall. Post-emergence applications of A326.02 may result in temporary injury of the oat crop. Injury symptoms may include 
leaf bleaching, leaf burn and in extreme conditions, stunting. 
 
If emerged weeds are present at the time of the A326.02 application, the addition of a crop oil concentrate (COC) 
type adjuvant at a rate of 1% v/v or a non-ionic surfactant (NIS) type adjuvant at a rate of 0.25% v/v is advised. In addition 
to COC or NIS, a spray grade UAN (e.g., 28-0-0) at the rate of 2.5% v/v or ammonium sulfate (AMS) at the rate of 8.5 
lbs./100 gallons of spray solution may be added for improved weed control. If emerged weeds are not present at the time 
of the A326.02 application, no additives are advised. If oat injury is a concern, eliminating the use of UAN or AMS will 
reduce the risk for post-emergence crop injury. Additionally, the use of NIS instead of COC will also reduce the oat injury 
risk. However, weed control is also reduced if UAN or AMS is eliminated and when switching from COC to NIS. 
 
Tank mixing other pesticides with A326.02 post-emergence may increase the risk of injury. Avoid adding pesticides with 
emulsifiable concentrate (EC) type formulations to A326.02 for applications made post- emergence to the crop. 
 
Oat Restrictions: 
x DO NOT graze or feed forage from treated areas within 30 days following an application of A326.02 
x DO NOT harvest oats within 50 days following the application of A326.02. 
x DO NOT make more than one application of A326.02 per year. 
x DO NOT apply A326.02 pre-emergence (prior to oat emergence) at more than 6.0 fl. oz./A (0.19 lb. AI/A) per 
year. 
x DO NOT apply A326.02 post-emergence at more than 3.0 fl. oz./A (0.094 lb. AI/A) per year. 
x If the oat crop treated with A326.02 is lost or destroyed, oats may be replanted immediately. If A326.02 was 
applied to the lost oat crop, no additional A326.02 can be applied to the replanted oat crop. 
 
CROP USE DIRECTIONS – OKRA 
A326.02 can be applied as a row-middle or a hooded post-direct treatment (but not both) for weed control in okra. 
 
Pre-Emergence Row-Middle Applications 
Apply A326.02 at a rate of 6.0 fl. oz./A (0.19 lb. AI/A) as a banded application to the row middles prior to weed 
emergence. For this banded application, leave one foot of un treated area over the okra row or 6” to each side of the 
planted row. For banded applications, the application must be made to account for band width, i.e., to deliver 6.0 fl. oz. 
(0.19 lb. AI) per treated acre. DO NOT apply A326.02 directly over the planted okra row or severe crop injury may occur.

21 
 
Injury risk is greatest on coarse textured soils (sand, sandy loam or loamy sand). 
 
Post-Emergence Hooded Applications 
Apply A326.02 at a rate of 3.0 fl. oz./A (0.094 lb. AI/A) as a post-emergence directed application using a hooded sprayer 
for control or partial control of the weeds listed in Table 1. Okra must be at least 3” tall at the time of this application. I t 
is advised that a non-ionic surfactant (NIS) type adjuvant at a rate of 0.25% v/v be added to the spray solution. For post-
emergence hooded applications, the spray equipment must be set up to minimize the amount of A326.02 that contacts the 
okra foliage or crop injury will occur. For best post-emergence results, A326.02 must be applied to actively growing weeds. 
 
Okra Restrictions: 
x DO NOT harvest okra within 28 days following the application of A326.02. 
x DO NOT make more than one application of A326.02 per year. 
x DO NOT apply A326.02 as a row-middle application at more than 6.0 fl. oz. (0.19 lb. AI) per acre per year. 
x DO NOT apply A326.02 as a post-directed application at more than 3.0 fl. oz. (0.094 lb. AI) per acre per year. 
x DO NOT apply more than 6.0 fl. oz./A (0.19 lb. AI/A) in a single application. 
x DO NOT apply A326.02 as a broadcast pre-emergence or broadcast post-emergence application to okra or 
severe injury will occur. 
x If the okra crop treated with A326.02 is lost or destroyed, okra can be replanted only in the soil band that was 
not treated with A326.02. 
 
CROP USE DIRECTIONS - PEARL MILLET 
A326.02 may be applied pre-emergence in pearl millet, i.e., after planting but before crop emergence, at a rate up to 6 fl. 
oz./A (0.19 lb. AI/A). For a list of weeds controlled see Table 2. DO NOT apply more than one application, and not more 
than 6 fl. oz./A (0.19 lb. AI/A) per year in pearl millet. If we eds are emerged at the time of application, the use of a crop 
oil concentrate (COC) type adjuvant at the rate of 1% v/v is advised. In addition, a spray grade UAN (e.g., 28-0-0) at the 
rate of 2.5% (v/v) or AMS at the rate of 8.5 lbs./100 gals. of spray solution may be added to improve the burndown of 
existing weeds. Applications of A326.02 to emerged pearl millet can result in severe crop injury. 
 
Pearl Millet Restrictions: 
x DO NOT make more than one application of A326.02 per year. 
x DO NOT apply more than 6.0 fl. oz./A (0.19 lb. AI/A) in a single application. 
x DO NOT apply more than 6.0 fl. oz./A (0.19 lb. AI/A) per year. 
 
CROP USE DIRECTIONS – RHUBARB 
A326.02 can be applied prior to crop emergence for weed control in established rhubarb. 
 
Apply A326.02 at a rate of 6.0 fl. oz./A (0.19 lb. AI/A) to dormant (prior to any spring green-up) rhubarb for control or 
partial control of the weeds listed in Table 2. If weeds are emerged at the time of application, it is advised that a crop oil 
concentrate (COC) type adjuvant at 1% v/v or a non-ionic surfactant (NIS) type adjuvant at a rate of 0.25% v/v be added to 
the spray solution. Applications of A326.02 to rhubarb that is not dormant may result in a temporary bleaching 
symptomology. Rainfall or irrigation after the A326.02 application may increase the risk of injury to emerging rhubarb. 
 
Rhubarb Restrictions: 
x DO NOT harvest rhubarb within 21 days following the application of A326.02. 
x DO NOT make more than one application of A326.02 per year. 
x DO NOT apply more than 6.0 fl. oz./A (0.19 lb. AI/A) in a single application. 
x DO NOT apply more than 6.0 fl. oz./A (0.19 lb. AI/A) per year. 
CROP USE DIRECTIONS – SORGHUM (GRAIN and SWEET) 
Pre-Emergence Application Directions 
Make pre-emergence application of A326.02 or pre-plant non-incorporated applications up to 21 days before planting 
sorghum for control or partial control of the weeds listed in Table 2. 
 
Apply 6.0-6.4 fl. oz./A (0.19-0.2 lb. AI/A) broadcast non-incorporated application prior to sorghum emergence. Making the 
application less than 7 days before planting will increase the risk of plant injury, especially if rainfall or irrigation 
occurs after the application. Injury symptoms include temporary bleaching of newly emerged leaves. Making application 
of this product 8- 21 days prior to planting will decrease risk of crop injury.

22 
 
 
If A326.02 is applied prior to planting, minimize disturbance of soil treated with herbicide during the planting process 
in order to reduce the potential for weed emergence. 
 
If emerged weeds are present at the time of pre-emergence application, use 0.25% v/v of a non-ionic surfactant (NIS) 
adjuvant or 1% v/v of crop oil concentrate (COC) and add it to the spray solution. A spray-grade UAN applied at a rate of 
2.5% v/v or 8.5 lbs./100 gallons of spray solution of ammonium sulfate (AMS) can be added to the spray solution in addition 
to the COC or NIS. 
 
Pre-Emergence Application Restrictions: 
x DO NOT make more than one application of A326.02 per year. 
x DO NOT apply more than 6.4 fl. oz./A (0.2 lb. AI/A) in a single application. 
x DO NOT apply more than 6.4 fl. oz./A (0.2 lb. AI/A) per year. 
x DO NOT apply to emerged sorghum or severe crop injury can occur. 
x DO NOT use A326.02 in the production of forage sorghum, sudangrass, sorghum-sudangrass hybrids, or dual 
purpose sorghum. 
x DO NOT apply to sorghum that is grown on coarse textured soils (e.g., sandy loam, loamy sand, sand). 
x Texas Restriction: DO NOT apply to sorghum grown south of Interstate 20 (I-20) or east of Highway 277. 
Post-Emergence Application Directions 
Apply A326.02 post-directed to grain sorghum to control and/or partially control weeds listed in Table 1. Apply to actively 
growing weeds for optimal control. 
 
Apply 3.0 fl. oz./A (0.094 lb. AI/A) post-directed application when sorghum is at least 8” tall. Make the application by 
directing the spray between crop rows, and toward the base of the plant. Direct application of A326.02 onto foliage can 
result in crop injury including temporary bleaching. If leaves do bleach, newly emerged leaves following application will 
not be affected. 
 
Use 0.25% v/v of a non-ionic surfactant (NIS) adjuvant or 1% v/v of crop oil concentrate (COC) and add it to the spray 
solution. A spray-grade UAN applied at a rate of 2.5% v/v or 8.5 lbs./100 gallons of spray solution of ammonium sulfate 
(AMS) can be added to the spray solution in addition to the COC or NIS. 
 
A326.02 can be tank-mixed with herbicides registered for use on sorghum to improve weed control. These tank-
mixtures can also include a herbicide with a different mode of action to help control or manage the development 
of resistant weed biotypes. 
 
Post-Directed Restrictions: 
x DO NOT make more than one post-directed application per year. 
x DO NOT apply more than 3.0 fl. oz./A (0.094 lb. AI/A) in a single post-directed application. 
x DO NOT apply more than 6.4 fl. oz./A (0.2 lb. AI/A) per year. 
x DO NOT apply broadcast over-the-top to emerged sorghum or severe crop injury can occur. 
x DO NOT harvest sorghum for forage for 30 days following application. 
x DO NOT harvest for grain or stover for 60 days following application. 
x DO NOT apply after the sorghum seedhead emerges. 
x DO NOT use in the production of forage sorghum, sudangrass, or sorghum-sudangrass hybrids. 
CROP USE DIRECTIONS – SOYBEAN 
A326.02 can be applied pre-emergence to mesotrione resistant soybeans. Applications to soybeans that are not designated 
as mesotrione resistant will result in significant crop injury. 
 
Pre-Emergence Applications 
For pre-emergence control of the weeds listed in Table 2, apply A326.02 prior to soybean emergence at a rate of 6.0 fl. 
oz./A (0.19 lb. AI/A). Apply the higher rate for longer residual control. A326.02 may be tank mixed with other registered 
soybean herbicides including S-Metolachlor and S-Metolachlor + Sodium salt of fomesafen. Refer to the tank mix partner 
label and follow all precautions and restrictions. 
 
If weeds are emerged at the time of application, add either a non-ionic surfactant (NIS) at 1 qt./100 gallons (0.25% v/v) or 
a crop oil concentrate (COC) at 1 gallon/100 gallons (1% v/v). In addition to NIS or COC, it is also advised to add either

23 
 
ammonium sulfate (AMS) at 8.5-17 lbs./100 gallons (or equivalent). 
 
Soybean Restrictions: 
x Apply no more than 6.0 fl. oz./A (0.19 lb. AI/A) per year. 
x DO NOT apply more than 6 fl. oz./A (0.19 lb. AI/A) in a single application. 
x Make no more than one pre-emergence application per year. 
x DO NOT apply to emerged soybeans. 
x DO NOT graze or feed soybean forage or hay to livestock. 
CROP USE DIRECTIONS – SUGARCANE 
Apply A326.02 by ground for pre-emergence, post-emergence over-the-top or post-emergence direct weed control in 
sugarcane. 
 
Apply A326.02 aerially for pre-emergence and post-emergence weed control in the states of: Florida, Louisiana, and 
Texas. 
 
Pre-Emergence Applications 
Apply 6.0-7.7 fl. oz./A (0.19-0.24 lb. AI/A) of A326.02 to control weeds listed in Table 2. Make application after the planting 
of plant-cane or after harvest of ratoon-cane. If weeds are emerged at the time of application, add a crop oil concentrate 
(COC) type adjuvant at 1% v/v OR a non-ionic surfactant (NIS) type adjuvant at 0.25% v/v to the spray solution. In addition 
to the COC or NIS, a spray grade UAN at a rate of 2.5% v/v OR ammonium sulfate (AMS) at a rate of 8.5 lbs./100 gals. of 
spray solution can be added to the spray solution. Tank mix Atrazine or Ametryn with A326.02 to improve weed control. 
Refer to the tank mix partner label for specific rates and use directions. 
 
Post-Emergence Applications 
Apply 3.0 fl. oz./A (0.094 lb. AI/A) of A326.02 to control weeds listed in Table 1. Apply as a post-over-the-top or as a post- 
directed spray to the base of the sugarcane. If a pre-emergence application was made earlier in the season, only one single 
post-emergence application can be made. If no pre-emergence application was made earlier in the season, then both a 
post-over-the-top and a post-directed spray application can be made. For optimum weed control, apply to actively 
growing weeds. 
 
Add either a crop oil concentrate (COC) adjuvant at 1% v/v OR a non-ionic surfactant (NIS) adjuvant to the spray solution. 
In addition to the COC or NIS, use a spray grade UAN (e.g., 28-0-0) at 2.5% v/v OR ammonium sulfate (AMS) at 8.5 lbs./100 
gals. of spray solution to improve weed control. 
 
For additional post-emergence weed control, tank mix A326.02 with atrazine, Sodium salt of asulam and/or 
Trifloxysulfuron-Sodium. Refer to the tank mix product label for specific rate and use directions. 
 
Sugarcane Restrictions: 
x DO NOT apply more than 7.7 fl. oz./A (0.24 lb. AI/A) in a pre-emergence application. 
x DO NOT apply more than 3.0 fl. oz./A (0.094 lb. AI/A) in a post-emergence application. 
x DO NOT make more than 2 applications per year. If a pre-emergence application is made, only one post-
emergence application can be made. 
x Minimum retreatment interval is 14 days. 
x DO NOT apply more than 10.7 fl. oz./A (0.33 lb. AI/A) per year. 
x DO NOT harvest sugarcane within 114 days following a post-over-the-top treatment (114-day PHI). 
x DO NOT harvest sugarcane with 100 days following a post-directed application (100-day PHI). 
 
CROP USE DIRECTIONS – TURFGRASS 
This product is applied pre-emergence a nd post-emergence to provide selective contact and residual control of Turfgrass 
weeds. When applied pre-emergence, weeds absorb this product during emergence from the soil. Pre-emergence activity 
may be reduced under dry conditions. Activate this product with 0.15 inch of irrigation if rain has not occurred within 10 
days of application. When used post-emergence, this produc t is absorbed by susceptible weeds through foliar contact and 
soil absorption. Foliage of treated weeds cease to grow after ap plication of this product, then turn white from loss of 
chlorophyll and die within three weeks. Make a repeat app lication after 2 to 3 weeks to improve post-emergence weed 
control. Add a nonionic surfactant (NIS) when making post-emergence applications.

24 
 
This product may cause temporary whitening of Turfgrass foliage . Whitening typically occurs 5 to 7 days after application 
and lasts for several weeks. Repeat application to the same site causes less whitening of plant tissue. 
 
This product controls weeds prior to and during seeding of certain Turfgrasses during Turf renovation (see “NEW SEEDINGS” 
section). If applied pre-emergence to established Turf, tank-mix this product with other pre-emergence herbicides including 
prodiamine (e.g., Barricade®, EPA Reg. No. 100-1139) or pendimethalin (e.g., Pin-Dee™ 3.3 T&O
, EPA Reg. No. 19713-668) 
for longer residual and broad spectrum control. 
 
PRECAUTIONS 
x Residential Lawn Applications: Unless renovating and/or reseeding home lawns, avoid broadcast application of this 
product for pre-emergence and post-emergence weed control as undesirable whitening of some Turfgrasses may 
occur. 
x Bentgrass, Bermudagrass, Kikuyugrass, Poa annua, Seashore paspalum and Zoysiagrass are sensitive to applications 
of this product. Avoid spraying these types of Turf unless control and/or injury can be tolerated. Maintain a five foot 
buffer between treated areas and Bentgrass or Poa annua greens. 
x To reduce movement into sensitive species including Bentgrass, keep people and pets off treated areas until spray 
has dried and irrigate lightly to move product from Turf foliage before resuming normal irrigation. 
x Clean sprayer thoroughly after an application of this pro duct if the same equipment is used to apply products to 
Bentgrass/Poa annua turf areas. 
x Avoid over-spray or drift of spray applications onto ornamentals or flower beds and gardens. Roses and Daylilies are 
sensitive to this product. 
x Avoid applications over-the-top of exposed roots of trees and ornamentals. 
 
 
RESTRICTIONS 
x DO NOT apply more than 16 fluid ounces of this product (0.5 lb. a.i.) per acre per year. 
x DO NOT apply more than 8 fl oz. (0.25 lb a.i.) per acre in a si ngle application. Refer to sections below for details on 
specific grasses. 
x DO NOT apply more than 4 applications per acre per year when using the lowest rate. 
x Minimum retreatment interval is 14 days. 
x DO NOT use on golf course putting greens. 
x DO NOT plant any crop other than Turfgrass species for 18 months after the last application of this product or injury 
may occur. 
x DO NOT apply by air. 
x DO NOT apply through any type of irrigation system. 
x DO NOT use grass clippings from treated Turf as mulch around trees or in vegetable/flower gardens. 
x DO NOT apply an organophosphate or carbamate insecticide within 7 days of application of this product as injury to 
Turf may occur. 
 
TANK-MIXTURE 
This product has been tested in many tank-mixtures with products containing atrazine (e.g., Atrazine 4L, EPA Reg. No. 19713-
11), bentazon (e.g., Basagran, EPA Reg. No. 7969-45), carfentrazone (e.g., Quicksilver™, EPA Reg. No. 279-3301), dicamba 
(e.g., Vanguish®, EPA Reg. No. 100-884), fluroxypyr (e.g., Spotlight™, EPA Reg. No. 62719-586), prodiamine (e.g., Barricade, 
EPA Reg. No. 100-1139), simazine (e.g., Princep, EPA Reg. No. 100-526) and triclopyr (e.g., Turflon® ester, EPA Reg. No. 17545-
8) for safety and efficacy on Turfgrasses. Apply this product at reduced rates (4 fl. ozs. of this product per acre) (0.125 lb 
a.i./A) if tank-mixed with atrazine, bentazon or simazine. Other tank-mixtures may be safe but has not been tested. Test on 
a small scale for compatibility, safety and efficacy before treating large areas if wanting to tank-mix this product with other
 
herbicides. 
 
It is the pesticide user’s responsibility to ensure that all products are registered for the intended use. Read and follow the 
applicable restrictions and limitations and directions for use on all product labels involved in tank-mixing. Users must follow 
the most restrictive directions for use and precautionary statements of each product in the tank-mixture.

25 
 
 
USE SITES 
This product may be used in Turfgrasses species listed on this label in commercial and residential sites to control weeds. Use 
sites include noncrop areas including golf course, sod farms, athletic fields, parks, residential and commercial properties, 
cemeteries, airports and lawns. 
DO NOT use on golf course putting greens and maintain a five foot buffer between treated areas and putting greens. 
 
TURFGRASS SPECIES 
This product has been tested on the following species of Turfgrass and found to be safe under trial conditions: 
 
Turfgrass Species Scientific Name Fl. oz./A (lb a.i./A) 
Buffalograss Buchloe dactyloides 5 to 8 
(0.155 – 0.25) 
Centipedegrass Eremochloa ophiuroides 5 to 8 
(0.155 – 0.25) 
Fine fescue* (Creeping red, Chewings and Hard) Festuca spp. 5 
(0.155) 
Kentucky bluegrass Poa pratensis 5 to 8 
(0.155 – 0.25) 
Perennial ryegrass* Lolium perenne 5 
(0.155) 
St. Augustinegrass (grown for sod) Stenotaphrum secundatum 4 
(0.125) 
Tall Fescue Festuca arundinacea 5 to 8 
(0.155 – 0.25) 
*See additional instructions below. 
 
WEEDS CONTROLLED 
Common Name Scientific Name Pre-emergence1 Post-emergence2 
Barnyardgrass Echinocloa crus-galli Y Y 
Bentgrass, Creeping Agrostis stolonifera Y Y 
Bluegrass, Annual Poa annua Suppression N 
Buckhorn plantain Plantago lanceolata Y Y 
Buttercup Ranunculus sardous -3 Y 
Carpetweed Mollugo verticillata Y Y 
Chickweed, Common Stellaria media Y Y 
Chickweed, Mouseear Cerastium vulgatum Y Y 
Clover, Large hop Trifolium aureum Y Y 
Clover, White Trifolium repens Y Y 
Crabgrass, Large Digitaria sanguinalis Y Y4 
Crabgrass, Smooth Digitaria ischaemum Y Y4 
Crabgrass, Southern Digitaria ciliaris Y Y4 
Curly dock Rumex crispus - Y 
Dandelion, Catsear Hypocaoeris radicata - Y 
Dandelion, Common Taraxacum officinale - Y 
Florida betony Stachys floridana - Y 
Florida pusley Richardia scabra - Y 
Foxtail, Yellow Setaria glauca Y Y 
Galinsoga Galinsoga ciliata Y Y 
Goosegrass Eleusine indica - Y4 
Ground ivy Glechoma hederacea - Y 
Healall Prunella vulgaris - Y 
Henbit Lamium amplexicaule - Y 
Lambsquarters, Common Chenopodium album Y Y 
Lawn burweed Soliva sessilis - Y 
Lovegrass, Tufted Eragrostis pectinacea - Y 
Marestail Conyza canadensis - Y 
Nimblewill Muhlenbergia schreberi - Y 
Nutsedge, Yellow Cyperus esculentus - Y

26 
 
Oxalis Oxalis stricta - Y 
Pigweed, Redroot Amaranthus retroflexus Y Y 
Pigweed, Smooth Amaranthus hybridus Y Y 
Purslane, Common Portulaca oleracea Y Y 
Shepherd’s purse Capsella bursa-pastoris Y Y 
Smartweed, Pale Polygonum lapathifolium Y Y 
Smartweed, Pennsylvania Polygonum pensylvanicum Y Y 
Speedwell, Persian Veronica persica Y - 
Speedwell, Purslane Veronica peregrina Y - 
Sowthistle Sonchus oleraceus - Y 
Swinecress Coronopus didymus - Y 
Thistle, Canada Cirsium arvense - Y 
Verbena Verbena hastata - Y 
Wild carrot Daucus carota Y Y 
Wild Violet Viola pranticola - Y 
Windmillgrass Chloris verticillata - Y 
1For broad spectrum pre-emergence activity, apply with a grass pre-emergence herbicide including prodiamine (e.g., Barricade, EPA Reg. No. 100-
1139) except when used for weed control in new seedings. 
2Weed control with post-emergence applications require a second application after 2 to 3 weeks. Apply to young, actively growing 
weeds with nonionic type of surfactant. 
3Not tested. 
4For best post-emergence control, apply at less than 4 tiller Crabgrass and Goosegrass. 
 
APPLICATION INSTRUCTIONS 
 
PRE-EMERGENCE APPLICATION 
Apply this product at 4 to 8 fluid ounces per acre (0.125 – 0.25 lb a.i./A) in at least 30 gallons of water prior to weed 
seed germination. 
DO NOT exceed 5 fluid ounces per acre (0.155 lb a.i./A) per application to Perennial ryegrass or Fine fescues or 
mixed stands that contain greater than 50% Perennial ryegrass and/or Fine fescue. 
 
DO NOT exceed 4 fluid ounces per acre (0.125 lb a.i./A) to St. Augustinegrass sod. Make application close to 
anticipated weed seed germination. 
 
Combine this product with a pre-emergence he rbicide including prodiamine (e.g., Barricade , EPA Reg. No. 100-
1139) for extended control of key annual monocot weeds including Crabgrass and Foxtail. In established Turf, this 
product is more effective as a post- emergence application unless combined with another soil active herbicide. 
 
NEW SEEDINGS / NEW LAWN ESTABLISHMENT 
Apply this product at 5 to 8 fluid ounces per acre (0.155 – 0.25 lb a.i./A) in at least 30 gallons of water prior to 
seeding or post seeding of tolerant Turfgrass species liste d on this label, except Fine fescue. This product may 
reduce density of Fine fescue seedings. This product can be used on grass seed blends that contain less than 20% by 
weight of Hard or Fine fescue. This product will control many monocot and dicot weeds that compete with and slow 
the establishment of the Turfgrass stands. For best results, apply at grass seeding or close to seeding. Avoid spraying 
on newly germinated Turfgrass plants. Before making a post-emergence application, wait until the newly 
germinated Turf has been mowed two times or four weeks after emergence (whichever is Ionger). 
 
POST-EMERGENCE APPLICATION 
Apply this product at 4 to 8 fluid ounces per acre (0.125 – 0.25 lb a.i./A) in at least 30 gallons of water. Apply with a 
nonionic type of surfactant. A repeat application at two to three weeks may be required for adequate weed control. 
Weed control is most effective on young, actively growing weeds. Efficacy will be reduced under moisture stress or 
from applications to mature weeds. 
 
CONTROL OF BENTGRASS AND NIMBLEWILL

27 
 
Apply this product at 5 fluid ounces per acre (0.155 lb a.i./a) in at least 30 gallons of water at two to three week 
intervals for up to three applications. Apply with a nonionic type of surfactant. 
 
Bentgrass control may be more effective in the late Summ er/early Fall just before onset of renewed Bentgrass 
growth than Spring/early Summer applications. 
 
On St. Augustinegrass (sod uses only) and Centipedegrass, if this product is tank-mixed with atrazine or simazine, 
DO NOT exceed 4 fluid ounces of this product (0.125 lb a.i.) and 0.5 pound atrazine or simazine per acre. Apply the 
tank-mixture to established Turf only. It is the pesticide user’s responsib ility to ensure that all products are 
registered for the intended use. Read and follow the applic able restrictions and limitations and directions for use 
on all product labels involved in tank-mixing. Users mu st follow the most restrictive directions for use and 
precautionary statements of each product in the tank-mixture. 
 
DORMANT BERMUDAGRASS APPLICATIONS ONLY 
Apply this product at 5 fluid ounces per acre (0.155 lb a.i./A) to control Winter weeds listed in the “WEEDS 
CONTROLLED” table on dormant Bermudagrass. Repeat application in two to three weeks. Applications made to 
semi-dormant Turf will cause whitening of the Bermudagrass. 
 
SPOT APPLICATION OF THIS PRODUCT 
Spray Mix Rate of This Product Nonionic Surfactant (NIS) 
2 gals. 1 tsp. 3 tsps. 
 
Apply the spray mix at 1 gallon per 1,000 square feet. 
DO NOT apply more than 16 fluid ounces of this product (0.5 lb. a.i.) per acre per year.

28 
 
STORAGE AND DISPOSAL 
Do not contaminate water, food, or feed by storage and disposal. 
Pesticide Storage: Keep container tightly closed when not in use. Keep away from heat and flame. Do not store near 
seed, fertilizers, or foodstuffs. Can be stored at temperatures as low as minus 20°F. Keep away from heat and flame. 
Pesticide Disposal: Waste resulting from the use of this product may be disposed of on site or at an approved waste 
disposal facility. Open dumping is prohibited. 
[Container Handling ч 5 Gallons: Nonrefillable container. Do not reuse or refi ll 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 dr ain 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 late use or disposal. Drain for 10 seconds after the flow begins to drop. Repeat this procedure two 
more times. Then offer for recycling if available or puncture and dispose of in a sanitary landfill, or by incineration, or 
if allowed by state and local authorities, by burning. If burned, stay out of smoke.] 
[Container Handling > 5 Gallons: Nonrefillable container. Do not reuse or refill this container. 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 ties. 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. Then offer for recycling if available or puncture and dispose of in a sanitary landfill, or by 
incineration, or by other procedures approved by state and local authorities.] 
[Refillable Containers: Refillable container. Refill this container with pesticide only. Do not use this container for any 
other purpose. Cleaning the container before final dispos al is the responsibility of the person disposing of the 
container. Cleaning before refilling is the responsibility of the person refilling. To clean container before final disposal, 
empty the remaining contents from this container into application equipment or mixt 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. Then offer for 
recycling if available or puncture and dispose of in a sanitary landfill, or by incineration, or, if allowed by state and local 
authorities, by burning. If burned, stay out of smoke.] 
 
LIMITATION OF WARRANTY AND LIABILITY 
IMPORTANT: READ BEFORE USE. Read the entire Directions for Use, Conditions of Warranties and Limitations of Liability before using this 
product. If these terms and conditions are not acceptable, return the unopened product container at once. By using this product, user or 
buyer accepts the following Disclaimer of Warranties and Limitations of Liability. 
CONDITIONS: The directions for use of this product are believed to be adequate and must be followed carefully. However, it is impossible 
to eliminate all risks associated with the use of this product. Ineffectiveness, injury, and other unintended consequences may result because 
of such factors as manner of use or application (including misuse), the presence of other materials, weather conditions, and other unknown 
factors, all of which are beyond the control of Atticus, LLC. All such risks shall be assumed by the user or buyer. 
DISCLAIMER OF WARRANTIES: To the extent consistent with applicable law, A tticus, LLC makes no other warranties, express or 
implied, of merchantability or of fitness for a particular purpose or otherwise, that extend beyond statements on this label. 
LIMITATIONS OF LIABILITY: To the extent consistent with applic able law, neither Atticus, LLC, th e manufacturer, nor the Seller shall 
be liable for any indirect, special, incidental or consequential damages resulting from the use, handling, application, storage, or disposal of 
this product. To the extent consistent with applicable law, the exclusive remedy of the user or buyer for any and all losses, injuries or 
damages resulting from the use, handling, application, or storag e of this product, whether in contract, warranty, tort, neglige nce, strict 
liability or otherwise, shall not exceed the purchase price paid. 
 
 
 
[A326.02] is a trademark of Atticus, LLC. 
Agrisure® and the Syngenta logo are trademarks of Syngenta Group Company. 
LibertyLink® is a trademark of Bayer CropScience. 
Clearfield® is a trademark of BASF Corporation. 
Roundup Ready® is a trademark of Monsanto Company.

29 
 
{LANGUAGE ON LABEL AFFIXED TO 
CONTAINER} 
 
 
A326.02[TM] 
[Alternate Brand Name: Atticus Cavallo 4 SC ] 
ACTIVE INGREDIENT: (% by weight) 
Mesotrione: 2-[4-(methylsulfonyl)-2-nitrobenzoyl]-1,3- 
cyclohexanedione ………………………………………………………………………... 40.0% 
OTHER INGREDIENTS:……………………………………. …………………….……... 60.0% 
TOTAL: ………………………………………………………………………….………. 100.0% 
Contains 4 lbs. Mesotrione per gallon. 
 
KEEP OUT OF REACH OF CHILDREN 
CAUTION 
Reformulation is prohibited. See individual container labels for repackaging 
limitations. 
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.) 
 
 
For Chemical Emergency 
Spill, Leak, Fire, Exposure, or Accident Call CHEMTREC Day or Night 
Within USA and Canada: 1-800-424-9300 or +1 703-527-3887 (collect calls 
accepted) 
 
PRECAUTIONARY STATEMENTS 
HAZARDS TO HUMANS AND DOMESTIC ANIMALS 
CAUTION 
Harmful if absorbed through skin. Prolonged or frequently repeated skin contact 
may cause allergic reactions in some individuals. Avoid contact with skin, eyes, or 
clothing. 
ENVIRONMENTAL HAZARDS:
 
NON-TARGET ORGANISM ADVISORY: This product is toxic to plants and may 
adversely impact the forage and habita t of non-target organisms, including 
pollinators, in areas adjacent to the treate d site. Protect the forage and habitat of 
non-target organisms by following label directions intended to minimize spray drift. 
GROUNDWATER ADVISORY: Mesotrione is known to leach through soil into 
groundwater under certain conditions as a result of label use. This chemical may 
leach into groundwater if used in areas where soils are permeable, particularly 
where the water table is shallow. 
SURFACE WATER ADVISORY: This product may impact surface water quality due to 
spray drift and runoff of rainwater. This is especially true for poorly draining soils 
and soils with shallow ground water. This product is classified as having high 
potential
 for reaching surface water via runoff for several months after application. 
A level, well maintained vegetative buffer strip between areas to which this product 
is applied and surface water features including ponds, streams, and springs will 
reduce the potential loading of A326.02 from runoff water and sediment. Runoff of 
this product will be reduced by avoiding applications when rainfall is forecasted to 
occur within 48 hours. 
 
 
 
 
 
 
 
See inside label booklet for additional Precautionary Statements 
and Directions for Use. 
 
Manufactured for: EPA Reg. No. 91234-75 
Atticus, LLC EPA Est. No. _________ 
940 NW Cary Parkway, Suite 200 
Cary, NC 27513 
 
NET WEIGHT: 
 
 
 
 
 
 
 
MESOTRIONE GROUP 27 HERBICIDE 
FIRST AID 
If on skin: x Take off contaminated clothing. 
x Rinse skin immediately with plenty of water 
for 15-20 minutes. 
x Call a poison control center or doctor for 
treatment advice. 
HOT LINE NUMBER 
Have the product container or label with you when calling a poison 
control center or doctor, or going for treatment. You may also 
contact SafetyCall at 1-844-685-9173 for emergency medical 
treatment information. 
STORAGE AND DISPOSAL 
Do not contaminate water, food, or feed by storage and disposal. 
Pesticide Storage: Keep container tightly closed when not in use. Keep 
away from heat and flame. Do not store near seed, fertilizers, or 
foodstuffs. Can be stored at temperatures as low as minus 20°F. Keep 
away from heat and flame. 
Pesticide Disposal: Waste resulting from the use of this product may be 
disposed of on site or at an approved waste disposal facility. Open 
dumping is prohibited. 
[ŽŶƚĂŝŶĞƌ,ĂŶĚůŝŶŐчϱ'ĂůůŽŶƐ͗ 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 late 
use or disposal. Drain for 10 seconds after the flow begins to drop. 
Repeat this procedure two more times. Then offer for recycling if 
available or puncture and dispose of in a sanitary landfill, or by 
incineration, or if allowed by state and local authorities, by burning. If 
burned, stay out of smoke.] 
[Container Handling > 5 Gallons: Nonrefillable container. Do not reuse 
or refill this container. 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 
ties. 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. Then offer for recycling if available or puncture and dispose 
of in a sanitary landfill, or by incineration, or by other procedures 
approved by state and local authorities.] 
[Refillable Containers: Refillable container. Refill this container with 
pesticide only. Do not use 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 person refilling. To clean container before final disposal, empty 
the remaining contents from this container into application equipment 
or mixt 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. Then offer for recycling if 
available or puncture and dispose of in a sanitary landfill, or by 
incineration, or, if allowed by state and local authorities, by burning. If 
burned, stay out of smoke.]

30 
 
[Sublabel B (Pages 21-28):] Provides Selective and Residual Control of Weeds in Ornamental Turfgrasses 
 
 
 A326.02[TM] 
[Alternate Brand Names: Atticus Cavallo 4 SC Turf, Torocity] 
 
Active Ingredient: By Weight 
Mesotrione: 2-[4-(methylsulfonyl)-2-nitrobenzoyl]-1,3-cyclohexanedione ………………………………. 40.0% 
Other Ingredients: ………………………………………………………………………….……………………………….……... 60.0% 
TOTAL: ………………………………………………………………………………………………………………………….………. 100.0% 
Contains 4 lbs. Mesotrione per gallon. 
 
 
KEEP OUT OF REACH OF CHILDREN 
CAUTION 
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.) 
 
See inside label booklet for additional Precautionary Statements and Directions for Use. 
 
FIRST AID 
 
If on skin: 
x Take off contaminated clothing. 
x Rinse skin immediately with plenty of water for 15-20 minutes. 
x Call a poison control center or doctor for treatment advice. 
HOT LINE NUMBER 
Have the product container or label with you when calling a poison control center or doctor, or going for 
treatment. You may also contact SafetyCall at 1-844-685-9173 for emergency medical treatment information. 
For Chemical Emergency Spill, Leak, Fire, Exposure, or Accident Call CHEMTREC Day or Night Within USA and Canada: 
1-800-424-9300 or +1 703-527-3887 (collect calls accepted) 
 
 
EPA Reg. No.: 91234-75 
 
EPA Est. No.: 
 
Net Contents: 
 
 
 
Manufactured for: 
Atticus, LLC 
940 NW Cary Parkway, Suite 200 
Cary, NC 27513
MESOTRIONE GROUP 27 HERBICIDE

31 
 
PRECAUTIONARY STATEMENTS 
Hazards to Humans and Domestic Animals 
CAUTION 
Harmful if absorbed through skin. Prolonged or frequently repeated skin contact may cause allergic reactions in some 
individuals. Avoid contact with skin, eyes, or clothing. 
 
Personal Protection Equipment (PPE) 
Applicators and Other Handlers must wear: 
x Long-sleeved shirt and long pants 
x Shoes plus socks 
x Chemical-resistant gloves made of any waterproof ma terial such as polyethylene or polyvinyl chloride. 
 
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. 
 
 
 
Engineering Control Statements 
When handlers use closed systems or enclosed cabs in a manner that meets the requirements listed in the Worker 
Protection Standard (WPS) for agricultural pesticides [4 0 CFR 170.240(d)(4-6)], the handler PPE requirements may be 
reduced or modified as specified in the WPS. 
 
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 water or rinsate. 
 
NON-TARGET ORGANISM ADVISORY: This product is toxic to plants and may adversely impact the forage and habitat of non-target 
organisms, including pollinators, in areas adjacent to the treate d site. Protect the forage and habitat of non-target organisms by following 
label directions intended to minimize spray drift. 
 
GROUNDWATER ADVISORY: Mesotrione is known to leach through soil into groundwater under certain conditions as a result of label use. 
This chemical may leach into groundwater if used in areas where soils are permeable, particularly where the water table is shal low. 
 
SURFACE WATER ADVISORY: This product may impact surface water quality due to spray drift and runoff of rainwater. This is espec ially 
true for poorly draining soils and soils with shallow ground water. This product is classified as having high potential for reaching surface 
water via runoff for several months after application. 
 
A level, well maintained vegetative buffer strip between areas to which this product is applied and surface water features incl uding ponds, 
streams, and springs will reduce the potential loading of A326.02 from runoff water and sediment. Runoff of this product will be reduced 
by avoiding applications when rainfall is forecasted to occur within 48 hours. 
 
 Physical and Chemical Hazards
Do not use or store near heat or open flame. Do not use with or store near any oxidizing or reducing agents. Hazardous 
chemical reaction may occur.
 
 
 
 
 
USER SAFETY RECOMMENDATIONS 
Users should: 
x Wash thoroughly with soap and water after handling and before eating, drinking, chewing gum, using tobacco, or 
using the toilet. 
x Remove clothing/PPE immediately if pesticide gets inside. Then wash thoroughly and put on clean clothing. Remove 
and wash contaminated clothing before reuse. 
x Remove PPE immediately after handling this product. Wash the outside of gloves before removing. As soon as 
possible, wash thoroughly and change into clean clothing.

32 
 
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. 
 
 
 
 
 
A326.02 is applied pre- and post-emergence to provide selective contact and residual control of turfgrass weeds. If 
applied pre-emergence, it is absorbed when emerging from the soil. Pre-emergence activity and control is reduced under 
dry conditions. Activate A326.02 with 0.15 inches of irrigation if rain hasn’t fallen within 10 days of application. Post-
emergent control is obtained by absorpti on into the soil and contact with foliage. Growth ceases post-application, 
weeds turn white from chlorophyll loss, and will die within three weeks. Make a repeat application after 2-3 weeks to 
improve post-emergence weed control. Add a non-ionic surfactant when making post- emergence applications. 
 
Turfgrass color can temporarily become white during treatment. Whitening typically occurs 5-7 days post-application and 
lasts for several weeks. A second application to the same site will cause less whitening of plant tissue. 
 
A326.02 controls weeds prior to and during seeding of certain turfgrasses during turf renovation (see New Seedings). If 
making pre-emergence application to established turf, tank mix A326.02 with other pre-emergence herbicides including 
Barricade® 65WG (EPA Reg. No. 100-834, prodiamine) for longer residual and broad spectrum control. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
AGRICULTURAL USE REQUIREMENTS 
Use this product only in accordance with its labeling and the Worker Protection Standard, 40 CFR Part 170. This 
Standard contains requirements for the protection of ag ricultural 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 12 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: 
x coveralls 
x shoes plus socks 
x chemical-resistant gloves made of any waterproof material such as polyethylene or polyvinyl chloride. 
NON-AGRICULTURAL USE REQUIREMENTS 
The requirements in this box apply to uses of this product that are NOT within the scope of the Worker Protection 
Standard, 40 CFR Part 170. The WPS applies when this product is used to produce agricultural plants on farms, forests, 
nurseries, and greenhouses. 
 
DO NOT enter treated areas without protection clothing until sprays have dried. 
MANDATORY SPRAY DRIFT MANAGEMENT 
 
Ground Boom Applications 
x Do not release spray at a height greater than 3 feet above the ground or crop canopy. 
x Applicators must select nozzle and pressure that deliver medium or courser droplets in 
accordance with American Society or Agricultural & Biological Engineers Standard 572 (ASABE 
S572). 
x Do not apply when wind speeds exceed 15 miles per hour at the application site. 
x Do not apply during temperature inversions.

33 
 
Spray Drift Advisories 
THE APPLICATOR IS RESPONSIBLE FOR AVOIDING OFF-SITE SPRAY DRIFT. 
 
BE AWARE OF NEARBY NON-TARGET SITES AND ENVIRONMENTAL CONDITIONS. 
 
IMPORTANCE OF DROPLET SIZE 
An effective way to reduce spray drift is to apply large drople ts. Use the largest droplets that provide target pest control. 
While applying larger droplets will reduce spray drift, the potential for drift will be greater if applications are made improperly 
or under unfavorable environmental conditions. 
 
Controlling Droplet Size - Ground Boom 
o Volume - Increasing the spray volume so that larger drop lets are produced will reduce spray drift. Use the highest 
practical spray volume for the application. If a greater spray volume is needed, consider using a nozzle with a higher 
flow rate. 
o Pressure - Use the lowest spray pressure recommended for the nozzle to produce the target spray volume and 
droplet size. 
o Spray Nozzle - Use a spray nozzle that is designed for the intended application. Consider using nozzles designed to 
reduce drift. 
 
BOOM HEIGHT - Ground Boom 
For ground equipment, the boom should remain level with the crop and have minimal bounce. 
 
SHIELDED SPRAYERS 
Shielding the boom or individual nozzles can reduce spray drift. Consider using shielded sprayers. Verify that the shields are 
not interfering with the uniform deposition of the spray on the target area. 
 
TEMPERATURE AND HUMIDITY 
When making applications in hot and dry conditions, use larger droplets to reduce effects of evaporation. 
 
TEMPERATURE INVERSIONS 
Drift potential is high during a temperature inversion. Temperature inversions are characterized by increasing temperature 
with altitude and are common on nights with limited cloud cover and light to no wind. The presence of an inversion can be 
indicated by ground fog or 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 lo w wind conditions) indicates an inversion, while smoke that 
moves upward and rapidly dissipates indicates good vertical air mixing. 
 
WIND 
Drift potential generally increases with wind speed. Applicators need to be familiar with local wind patterns and terrain that 
could affect spray drift. 
 
Handheld Technology Applications: 
x Take precautions to minimize spray drift. 
 
Approved Use Sites 
A326.02 can be applied to commercial and residential turfgrasses. Non-crop area use sites include golf courses, sod farms, 
athletic fields, parks, residential and commercial properties, cemeteries, airports, and lawns. 
 
Turfgrass Use Precautions: 
 
Apply A326.02 at reduced rates of 4 fl. oz./A (0.125 lb. AI/A) or less if tank mixing with atrazine, bentazon, or simazine. 
Before tank mixing A326.02 with other herbicides, conduct a compatibility, safety, and efficacy test before treating larger 
areas. See tank mix partner labels for directions and precautions. The most restrictive directions apply. 
 
It is the pesticide user’s responsibility to ensure that all products are registered for the intended use. Read and follow the

34 
 
applicable restrictions and limit ations and directions for use on all product labels involved in tank mixing. Users must 
follow the most restrictive directions for use and precautionary statements of each product in the tank mixture. 
 
Thoroughly clean application equipment after use to avoid injury to sensitive plants. 
 
To avoid injury to sensitive species, keep traffic out of treated areas until sprays have dried; irrigate soil lightly to move 
A326.02 from turf foliage before resuming normal irrigation. 
 
Turfgrass Use Restrictions: 
x DO NOT overspray or allow spray to drift to ornamentals or flower beds and gardens. Roses and daylilies are 
particularly sensitive to A326.02. 
x DO NOT apply more than 8 fl. oz./A (0.125 lb. AI/A) in a single application. 
x DO NOT apply more than 16 oz. (or 0.50 lb. mesotrione per acre per year) per acre per year. 
x DO NOT make more than 4 applications of A326.02 per year when using reduced application rates. 
x If multiple applications are made, they must be made no closer than 14 days apart. 
x DO NOT plant any crop other than turfgrass for 18 months post-application of A326.02 to avoid turfgrass injury. 
x DO NOT apply organophosphate or carbamate insecticides within 7 days of applying A326.02. 
x DO NOT apply A326.02 through any type of irrigation system. 
x DO NOT make aerial applications. 
x DO NOT use treated clippings to mulch trees or vegetable/flower gardens. 
x DO NOT apply this product on Bentgrass, Poa annua , kikuyugrass, zoysiagrass seashore paspalum, and 
bermudagrass plant injury is unacceptable. Maintain a 5-foot buffer between treated areas and bentgrass or Poa 
annua greens. 
x DO NOT apply over the top of exposed roots of trees and ornamentals. 
x DO NOT use on golf course putting greens; maintain a minimum of a 5-foot buffer between putting greens and 
treated areas. 
x Residential Lawns: DO NOT make broadcast applications for pre- and post-emergent weed control unless the 
home lawn is being reseeded and/or renovated as whitening of some turfgrasses may occur. 
 
 Tolerant Turfgrass Species 
 The grasses listed below are tolerant to A326.02 at the specified rates. 
Species Application Rate (Fl. Oz. per Acre) 
Kentucky bluegrass (Poa pertensis) 
Centipedegrass (Eremochloa ophiuroides) 
Buffalograss (Buchloe dactyloides) 
Tall fescue (Festuca arundinacea) 
 
5-8 
(0.155-0.25 lb. AI/A) 
Perennial ryegrass* (Lolium perenne) 
Fine fescue* (creeping red, chewings and hard) Festuca spp. 
5 
(0.155 lb. AI/A) 
St. Augustinegrass* (grown for sod) (Stenotaphrum secundatum) 4 
(0.125 lb. AI/A) 
*See additional rate instructions below. 
RESISTANCE MANAGEMENT 
For resistance management, please note that A326.03 contains a Group 27 [Mesotrione] herbicide. Any weed population may contain 
plants naturally resistant to Group 27 herbicides. The resistant individuals may dominate the weed population if these herbicid es are 
used repeatedly in the same fields. Appropriate resistance-management strategies should be followed. 
 
To delay herbicide resistance, take one or more of the following steps: 
• Rotate the use of A326.02 or other Group 27 herbicides within a growing season sequence or among growing seasons with 
different herbicide groups that control the same weeds in a field. 
• Use tank mixtures with herbicides from a different group if such use is permitted; where information on resistance in target 
weed species is available, use the less resistance-prone partner at a rate that will control the target weed(s) equally as well as 
the more resistance-prone partner. Consult your local extension service or certified crop advisor if you are unsure as to which 
active ingredient is currently less prone to resistance. 
• Adopt an integrated weed-management program for herbicide use that includes scouting and uses historical information related 
to herbicide use and crop rotation, and that considers tillage (or other mechanical control methods), cultural (e.g., higher cr op 
seeding rates; precision fertilizer application method and timing to favor the crop and not the weeds), biological (weed-
competitive crops or varieties) and other management practices.

35 
 
• Scout before and after herbicide application to monitor weed populations for early signs of resistance development. Indicators 
of possible herbicide resistance include: (1) failure to control a weed species normally controlled by the herbicide at the dos e 
applied, especially if control is achieved on adjacent weeds; (2) a spreading patch of non-controlled plants of a particular we ed 
species; (3) surviving plants mixed with controlled individuals of the same species. If resistance is suspected, prevent weed seed 
production in the affected area by an alternative herbicide from a different group or by a mechanical method including hoeing 
or tillage. Prevent movement of resistant weed seeds to other fields by cleaning harvesting and tillage equipment when moving 
between fields, and planting clean seed. 
• If a weed pest population continues to progress after treatment with this product, discontinue use of this product, and switch 
to another management strategy or herbicide with a different mode of action, if available. 
• Contact your local extension specialist or certified crop advi sors for additional pesticide resistance-management and/or 
integrated weed-management recommendations for specific crops and weed biotypes. 
• For further information or to report suspected resistance, contact Atticus, LLC at (984) 465-4754. 
 
APPLICATION INSTRUCTIONS 
Pre-Emergence Applications: 
Apply 4-8 fl. oz. (0.155-0.25 lb. AI) of A326.02 per acre in at least 30 gallons of water per acre before seeds germinate and 
as close to seed germination as possible. Combine this product with another pre-emergence herbicide including 
Barricade 65WG (EPA Reg. No. 100-834, prodiamine) for extended control of crabgrass and foxtail. 
 
Pre-Emergence Application Precautions: 
A326.02 is most effective on established turf when applied post-emergence unless it is combined with another soil active 
herbicide. 
 
Pre-Emergence Application Restrictions: 
x DO NOT exceed 5 fl. oz. (0.155 lb. AI) per acre per application to perennial ryegrass, fine fescues, or mixed stands 
that consist of >50% perennial ryegrass and/or fine fescue. 
x St. Augustinegrass sod: DO NOT exceed 4 fl. oz. (0.125 lb. AI) per acre. 
Application to New Seedings/New Lawns 
Apply 5-8 fl. oz. (0.155-0.25 lb. AI) A326.02 per acre in at least 30 gallons of water per acre before seeding or after 
seeding of turfgrass species listed below, except fine fe scue, as application to fine fescue can reduce grass density. 
A326.02 can be effectively used on grass seed blends that contain <20% by weight hard/fine fescue. For optimal control, 
apply at grass seeding or as close to seeding as possible. 
New Seedings/New Lawns Restrictions: 
x DO NOT spray on newly germinated turfgrass. Delay treatment until grass has been mowed 2-4 times and/or 4 
weeks after emergence (whichever is longer). 
 
Post-Emergence Application Instructions: 
Apply 4-8 fl. oz. (0.125-0.25 lb. AI) of A326.02 per acre in at least 30 gallons of water per acre with a NIS surfactant. 
Make a repeat application 2-3 weeks later for optimal weed control. Apply to young, actively growing weeds. 
 
Post-Emergence Application Precautions: 
Moisture stress and application to mature weeds can reduce herbicide efficacy. 
 
Bentgrass (Agrostis spp.)/Nimbleweed (Muhlenbergia schreberi) Treatment: 
Apply 5 fl. oz. (0.155 lb. AI) A326.02 per acre in at least 30 gallons of water per acre combined with a NIS surfactant at 2-3 week 
intervals for a maximum of 3 applications. For optimal w eed control, apply in late summer/early fall just prior to new 
growth. 
 
St. Augustinegrass (Sod uses only) and Centipedegrass Treatment: 
Apply to established turf ONLY. 
 
St. Augustinegrass (Sod uses only) and Centipedegrass Restrictions: 
x DO NOT exceed 4 fl. oz. (0.125 lb. AI) A326.02 per application if tank mixing with Atrazine or Simazine. 
x DO NOT exceed 0.5 lb. atrazine or simazine active ingredie nt. See atrazine/simazine labels for precautions and 
restrictions. 
 
Dormant Bermudagrass Application only:

36 
 
Apply 5 fl. oz. (0.155 lb. AI) per acre of A326.02 to control winter weeds listed in the Weeds Controlled table below. 
Make a repeat application 2-3 weeks later. Application of A326.02 to semi-dormant turf will cause bermudagrass 
whitening. 
 
Spot Applications of this product 
Spray Mix Application Rate Rate of this product Rate of NIS adjuvant 
2 gallons 1 gallon per 1,000 sq. ft. 1 teaspoon 3 teaspoons 
 
Spot Application Restrictions: 
x DO NOT apply more than 16 oz. (0.25 lb. AI) of A326.02 per acre per year. 
 
WEEDS CONTROLLED USING PRE-EMERGENCE APPLICATION 
Apply A326.02 with a grass pre-emergence herbicide including Barricade 65WG Herbicide (EPA Reg. No. 100-834, 
prodiamine), except when used to control weeds in new seedings. A326.02 will control the following weeds using pre- 
emergence application: 
Common Name Scientific Name 
Barnyardgrass Echinochloa crusgalli 
Bentgrass (Creeping) Agrostis stolonifera 
Bluegrass (Annual)* Poa annua* 
Buckhorn Plantain Plantago Ianceloata 
Carpetweed Mollugo verticillata 
Chickweed (Common) Stellaria media 
Chickweed (Mouseear) Cerastium vulgatum 
Clover (Large Hop) Trifolium aureum 
Clover (White) Trifolium repens 
Crabgrass (Large) Digitaria sanguinalis 
Crabgrass (Smooth) Digitaria ischaemum 
Crabgrass (Southern) Digitaria ciliaris 
Foxtail (Yellow) Setaria glauca 
Galinsoga Galinsoga ciliate 
Lambsquarters Chenopodium album 
Pigweed (Redroot) Amaranthus retroflexus 
Pigweed (Smooth) Amaranthus hybridus 
Purslane (Common) Portulaca oleracea 
Shepherd’s purse Capsella bursa-pastoris 
Smartweed (Pale) Polygonum lapathifolium 
Smartweed (Pennsylvania) Polygonum pensylvanicum 
Speedwell (Persian) Veronica persica 
Speedwell (Purslane) Veronica peregrine 
Wild Carrot Daucus carota 
*Suppression only. 
WEEDS CONTROLLED USING POST-EMERGENCE APPLICATION 
Make a second application of A326.02 2-3 weeks after initial treatment. For optimal control add a NIS-type surfactant 
and apply to young, actively growing weeds. A326.02 will control the following weeds using post-emergence application: 
Common Name Scientific Name 
Barnyardgrass Echinochloa crusgalli 
Bentgrass (Creeping) Agrostis stolonifera 
Buckhorn Plantain Plantago Ianceloata 
Carpetweed Mollugo verticillata 
Chickweed (Common) Stellaria media 
Chickweed (Mouseear) Cerastium vulgatum 
Clover (Large Hop) Trifolium aureum 
Clover (White) Trifolium repens 
Crabgrass (Large)* Digitaria sanguinalis* 
Crabgrass (Smooth)* Digitaria ischaemum* 
Crabgrass (Southern)* Digitaria ciliaris* 
Curly dock Rumex crispus

37 
 
Dandelion (Catsear) Hypochoeris radicata 
Dandelion (Common) Taraxacum officinale 
Florida Betony Stachys floridana 
Florida Pusley Richardia scabra 
Foxtail (Yellow) Setaria glauca 
Galinsoga Galinsoga ciliate 
Goosgrass* Eleusine indica* 
Ground Ivy Glechoma hederacea 
Healall Prunella vulgaris 
Henbit Lamium amplexicaule 
Lambsquarters (Common) Chenopodium album 
Lawn Burweed Soliva sessilis 
Lovegrass (Tufted) Eragrostis pectinacea 
Marestail Conyza Canadensis 
Nimblewill Muhlenbergia schreberi 
Nutsedge (Yellow) Cyperus esculentus 
Oxalis Oxalis stricta 
Pigweed (Redroot) Amaranthus retroflexus 
Pigweed (Smooth) Amaranthus hybridus 
Purslane (Common) Portulaca oleracea 
Shepherd’s Purse Capsella bursa-pastoris 
Smartweed (Pale) Polygonum lapathifolium 
Smartweed (Pennsylvania) Polygonum pensylvanicum 
Sowthistle Sonchus oleraceus 
Swinecress Coronopus didymus 
Thistle (Canada) Cirsium arvense 
Verbena Verbena hastate 
Wild Carrot Daucus carota 
Wild Violet Viola pratincola 
Windmillgrass Chloris verticillata 
*For optimal control, apply to less than 4 tiller crabgrass and goosegrass.

38 
 
STORAGE AND DISPOSAL 
Do not contaminate water, food, or feed by storage and disposal. 
Pesticide Storage: Keep container tightly closed when not in use. Keep away from heat and flame. Do not store near 
seed, fertilizers, or foodstuffs. Can be stored at temperatures as low as minus 20°F. Keep away from heat and flame. 
Pesticide Disposal: Waste resulting from the use of this product may be disposed of on site or at an approved waste 
disposal facility. Open dumping is prohibited. 
[Container Handling < 5 Gallons: 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 drai n 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 late use or disposal. Drain for 10 second s after the flow begins to drop. Repeat this procedure two 
more times. Then offer for recycling if available or puncture and dispose of in a sanitary landfill, or by incineration, or 
if allowed by state and local authorities, by burning. If burned, stay out of smoke.] 
[Container Handling > 5 Gallons: Non-refillable container. Do not reuse or refill this container. 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 ties. Turn the container ov er 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. Then offer for recycling if available or puncture and dispose of in a sanitary landfill, or by 
incineration, or by other procedures approved by state and local authorities.] 
[Refillable Containers: Refillable container. Refill this container with pesticide only. Do not use 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 person refilling. To clean container before final disposal, 
empty the remaining contents from this container into application equipment or mixt 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. Then 
offer for recycling if available or puncture and dispose of in a sanitary landfill, or by incineration, or, if allowed by state 
and local authorities, by burning. If burned, stay out of smoke.] 
 
 
LIMITATION OF WARRANTY AND LIABILITY 
IMPORTANT: READ BEFORE USE. Read the entire Directions for Use, Conditions of Warranties and Limitations of Liability before using this 
product. If these terms and conditions are not acceptable, return the unopened product container at once. By using this product, user or 
buyer accepts the following Disclaimer of Warranties and Limitations of Liability. 
CONDITIONS: The directions for use of this product are believed to be adequate and must be followed carefully. However, it is impossible 
to eliminate all risks associated with the use of this product. Ineffectiveness, injury, and other unintended consequences may result because 
of such factors as manner of use or application (including misuse), the presence of other materials, weather conditions, and other unknown 
factors, all of which are beyond the control of Atticus, LLC. All such risks shall be assumed by the user or buyer. 
DISCLAIMER OF WARRANTIES: To the extent consistent with applicable law, Atticus, LLC makes no other warranties, express or implied, 
of merchantability or of fitness for a particular purpose or otherwise, that extend beyond statements on this label. 
LIMITATIONS OF LIABILITY: To the extent consistent wi th applicable law, neither Atticus, LLC, the manufacturer, nor the Seller shall 
be liable for any indirect, special, incidental or consequential damages resulting from the use, handling, application, storage, or disposal of 
this product. To the extent consistent with applicable law, the exclusive remedy of the user or buyer for any and all losses, injuries or 
damages resulting from the use, handling, ap plication, or storage of this product, wh ether in contract, warranty, tort, neglige nce, strict 
liability or otherwise, shall not exceed the purchase price paid. 
 
 
A326.02 is a trademark of Atticus, LLC.

39 
 
{LANGUAGE ON LABEL AFFIXED TO 
CONTAINER} 
 
A326.02[TM] 
[Alternate Brand Names: Atticus Cavallo 4 SC Turf, Torocity] 
 
Active Ingredient: (% By Weight) 
Mesotrione: 2-[4-(methylsulfonyl)-2-nitrobenzoyl]-1,3- 
cyclohexanedione ………………………………………………………………………... 40.0% 
Other Ingredients:……………………………………. ………………………….……... 60.0% 
TOTAL: ………………………………………………………………………….………. 100.0% 
Contains 4 lbs. Mesotrione per gallon. 
 
KEEP OUT OF REACH OF CHILDREN 
CAUTION 
Reformulation is prohibited. See individual container labels for repackaging 
limitations. 
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.) 
 
 
For Chemical Emergency 
Spill, Leak, Fire, Exposure, or Accident Call CHEMTREC Day or Night 
Within USA and Canada: 1-800-424-9300 or +1 703-527-3887 (collect calls 
accepted) 
 
PRECAUTIONARY STATEMENTS 
HAZARDS TO HUMANS AND DOMESTIC ANIMALS 
CAUTION 
Harmful if absorbed through skin. Prolonged or frequently repeated skin 
contact may cause allergic reactions in some individuals. Avoid contact with 
skin, eyes, or clothing. 
ENVIRONMENTAL HAZARDS: 
NON-TARGET ORGANISM ADVISORY: This product is toxic to plants and may 
adversely impact the forage and habita t of non-target organisms, including 
pollinators, in areas adjacent to the treated site. Protect the forage and habitat 
of non-target organisms by following label directions intended to minimize spray 
drift. 
GROUNDWATER ADVISORY: Mesotrione is known to leach through soil into 
groundwater under certain conditions as a result of label use. This chemical may 
leach into groundwater if used in areas where soils are permeable, particularly 
where the water table is shallow. 
SURFACE WATER ADVISORY: This product may impact surface water quality 
due to spray drift and runoff of rainwater. This is especially true for poorly 
draining soils and soils with shallow ground water. This product is classified as 
having high potential for reaching surface water via runoff for several months 
after application. 
A level, well maintained vegetative buffer strip between areas to which this 
product is applied and surface water features including ponds, streams, and 
springs will reduce the potential loading of A326.02 from runoff water and 
sediment. Runoff of this product will be reduced by avoiding applications when 
rainfall is forecasted to occur within 48 hours. 
 
PHYSICAL AND CHEMICAL HAZARDS: 
Do not use or store near heat or open flame. Do not use with or store near any 
oxidizing or reducing agents. Hazardous chemical reaction may occur. 
See inside label booklet for additional Precautionary Statements 
and Directions for Use. 
 
Manufactured for: EPA Reg. No. 91234-75 
Atticus, LLC EPA Est. No. _________ 
940 NW Cary Parkway, Suite 200 
Cary, NC 27513 
 
NET WEIGHT: 
 
 
 
 
 
 
FIRST AID 
If on skin: x Take off contaminated clothing. 
x Rinse skin immediately with plenty of water 
for 15-20 minutes. 
x Call a poison control center or doctor for 
treatment advice. 
HOT LINE NUMBER 
Have the product container or label with you when calling a poison 
control center or doctor, or going for treatment. You may also 
contact SafetyCall at 1-844-685-9173 for emergency medical 
treatment information. 
STORAGE AND DISPOSAL 
Do not contaminate water, food, or feed by storage and disposal. 
Pesticide Storage: Keep container tightly closed when not in use. Keep 
away from heat and flame. Do not store near seed, fertilizers, or 
foodstuffs. Can be stored at temperatures as low as minus 20°F. Keep 
away from heat and flame. 
Pesticide Disposal: Waste resulting from the use of this product may be 
disposed of on site or at an approved waste disposal facility. Open 
dumping is prohibited. 
[ŽŶƚĂŝŶĞƌ,ĂŶĚůŝŶŐчϱ'ĂůůŽŶƐ͗ Nonrefillable container. Do not reuse or 
refill this container. Offer for recycling if available. Triple rinse container 
(or equivalent) promptly after emptyi ng. 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 ri nsate for late use or disposal. Drain 
for 10 seconds after the flow begins to drop. Repeat this procedure two 
more times. Then offer for recycling if available or puncture and dispose 
of in a sanitary landfill, or by incineration, or if allowed by state and local 
authorities, by burning. If burned, stay out of smoke.] 
[Container Handling > 5 Gallons: Nonrefillable container. Do not reuse or 
refill this container. 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 ties. 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. 
Then offer for recycling if available or puncture and dispose of in a 
sanitary landfill, or by incineration, or by other procedures approved by 
state and local authorities.] 
[Refillable Containers: Refillable container. Refill this container with 
pesticide only. Do not use 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 person refilling. To clean container before final disposal, empty the 
remaining contents from this container into application equipment or 
mixt 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. Then offer for recycling if 
available or puncture and dispose of in a sanitary landfill, or by 
incineration, or, if allowed by state and local authorities, by burning. If 
burned, stay out of smoke.]