EPA Registration No. 74530-25

1
ISB'S Front-end PRlA Completeness Screen 

Draft 3; 10/25107 

EPA Receipt Date: NO\; ... "\ i' i: r1U 

"-1 L,..; EPA Reg. Number: F!53o -EL 

Check List Item Yes No N/A 

I Has the PRIA Fee been Paid; is a copy of the check or 

Pay.goy receipt included in the Submission Package? ~ 

Is an Application Form (EPA Ponn 8570-1) Included in the 

2 Submission Package, is it completely filled out and signed { 

including package type? 

Is a Confidential Statement of Formula (EPA Fonn 8570-

3 29) lnci uded in the Submission Package, is it completely ~ filled out and signed (boxes 1-21)? 

4 Is a Formulator's Exemption Statement (EPA Fonn 8570-

27) Included in the Submission Package? y 

• 

5 Is a Certification with Respect to Citation of Data (EPA ! ~~- -~ Fonn 8570-34) Included in the Submission Package? , 

6 Is a Data Matrix (EPA Form 8570-35) Included in the 

Submission Package? 

'4- ~> 

7 Is a Label Included in the Submission Package? i.. 

8 Are Data Included in the Submission Package? i\ 

9 Is the Submission an Amendment? ;( 

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2
MATERIAL TO BE ADDED TO JACKET 

REG # 

Description: 

check all that apply 

0 new stamped accepted label (I) 

(I) 

::s 

Q, 

0 new CSF 8' 

$ notification tl 

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Instructions: 

Attach this sheet to the top of ALL material sent to the file room (both loose paper and 

new material in jackets). This sheet will be imaged; a clear description will aid in 

finding material in the e-jacket. Remove staples from all material. If returning loose 

paper then hold together with a binder or paper clip. CSFs should be placed in the 

CSF folder (if retuming jacket) or covered with a red CBI sheet (if returning loose 

paper). Material to be returned to file room should be place in the appropriate bin. 

Reviewer's ~ I / / / / // 

Name: /J/LCO(l., WJ.ijI44t"l Date: l r j{J 'l't), 

30 (t? - S"<"3-7 Phone: 6 --..)_ .- t • c Division: ... _ .. &;;0.:;0.., __ _ 

3
Cheryl Wagner 

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY 

WASHINGTON, D.C. 20460 

OFFICE OF 

PREVE:"inON, PESTICiDES AND 

TOXiC StiBST ANCES 

JUL :, 

Agent for Helm Agro US, Inc. 

c/o Wagner Regulatory Associates, Inc. 

P.O. Box 640 

Hockessin, DE 19707 

Subject: Label Notification(s) for Pesticide Registration Notices 2007-4 and 98-10 

Dear Ms. Wagner: 

The Agency is in receipt of your Application for Pesticide Notification under 

Pesticide Registration Notice (PRN) 98-10 and 2007-4 dated October 9, 2009, for the product 

EPA Registration 74530-25, Helm Diquat Landscape and Aquatic Herbicide. 

The Registration Division (RD) has conducted a review of this request for its 

applicability under PRN 98-10 and 2007-4 and finds that the action(s) requested does not 

clearly fall within the scope ofPRN 98-10 and 2007-4 andwill require additional 

administrative review of the related files. A summary of our findings include: 

1. Precautionary statements are not done by notification. 

Therefore, the RD has determined that this action is denied and will be further 

processed as an amendment and our records have been updated accordingly. The 

Confidential Statement of Fonnula (CSF) and/or label submitted with the application are (is) 

considered proposed drafts and has been forwarded Kathryn Montague, PM#23 for further 

processing. 

If you have any questions, please contact me directly at 703-305-6249 or Nicole 

Williams of my staff at 703-308-5551. 

Sincerely, 

PCuj)~'lI~ Paul MastraUe, Ph.D. 

Acting Notifications & Minor Fonnulations Team Leader 

Registration Division (7505P) 

Office of Pesticide Programs 

4
October 13, 2009 

Document Processing Desk (NOTIF) 

ATTN: Ms. Joanne Miller, PM 23 

Registration Division (7504P) 

U.S. Environmental Protection Agency 

Room SA900, One Potomac Yard 

2777 South Crystal Drive 

Arlington, Virginia 22202-4501 

Dear Ms. Miller; 

Wagner Regulatory Associates, Inc. 

P.O. Box 640 

7460 Lancaster Pike, Suite 9 

Hockessin, Delaware 19707 

Re: Helm Diquat Landscape and Aquatic Herbicide, EPA Reg. No. 74530-25 

Notification of Revised Precautionary Statements Per Notice of Registration 

Wagner Regulatory Associates, Inc., as agent for Helm Agro US Inc., submits the enclosed notification 

changing the precautionary statements to correspond with the EPA Notice of Conditional Registration 

dated March 21,2008. We have also modified the use rates to accommodate a 1 quart container. This 

quart conversion meets the criteria set in PR Notice 98-10 Section ILE Items 1-8. 

In support of this notification, the following documents are enclosed: 

• Letter from Helm Agro US, Inc. appointing Wagner Regulatory Associates, Inc. as its agent 

• Application for Pesticide Registration (8570-1) 

• A copy of the EPA Notice of Registration Dated March 21, 2008 

• One copy of the revised quart label 

If you have any questions about this submission please contact the undersigned. 

Respectfully submitted, 

~w,,--,\~ 

Cheryl Wagner 

Agent for Helm Agro US, Inc. 

Enclosures 

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HELm FlGRO US, INC. 

8275 Tournament OrNe. Suite 340 

Memphis, Tennessee 38125 

Phono:\901 \ 312·1525 

Fax: \901 \ 312·1535 

W'MV.helmagro.com 

f)csignation of Agent for (Companv) 

This letter serves as notification to the Deparlment thai I hereby designate Wagner 

Regulalory Associates, Iuc. (WRA) to act as Agent on my behalf for the purposes or 

submitting the enclosed Notitication to the Agency. Correspondence relating to this 

Notification should be submitted to: 

Wagner Rcgula10ry Associates, Inc. 

P.O.Dox 640 

Hockessin. DE 19707 

Telephone: (302) 234-8551 

facsimile: (302) 234-7570 

WRA will in tum copy me on all conesponrlcncc, and keep me advised of any regulatory 

issues. 

Thank YOll for your lime and assistance. Please feel free to call WRA if you have any 

questions. 

Respectfully, /!V 

Marshall B. Wixson Ph.D. 

Helm Agro US, INC. 

8275 Tournament Drive Suite 340 

Memphis. TN 38125 

901-312-1525 

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Please read instructIOns on reverse before completil]g fonn. Form Appl('··~. OMB No. 2070-0000. Approval expires 05-31-98 

i ~egistration OPP Identifier Number 

United States r- .oEPA Environmental Protection Agency Amendment 

Washington, DC 20460 ex Other 

Application for Pesticide" Section I 

1. Company/Product Number 2. EPA Product Manager 3. Proposed Classification 

74530-25 Joanne Miller 

4. Company/Product (Name) PM' [ill None Restricted 

Diquat Landscape and Aquatic Herbicide 23 

5. Name and Address of Applicant (lnclude Zip Code) 6. Expedited Review. In accordance with FIFRA Section 3(c}(3) 

Helm Agro US, Inc. 

(b){I), my product is similar or identical in composition and labeling 

(0, 

clo Wagner Regulatory Associates, Inc. EPA Reg. No. 

P.O. Box 640 

Hockessin, DE 19707 Product Name: 

o Check if this is a new address 

Section " II 

0 Amendment - Explain below. 0 Final printed labels in response to NOTiFICATION Agency letter dated 

0 Resubmiss·lon in response to Agency letter dated "Me Too" Application. 

X Notification - Explain below. Alternate Brand Name X Other- Explain below. JUL 2 6 2010 

Explanation: Use additional page(s) if necessary. (For Section I and Section II.) 

This notification is consistent with the provisions of PR Notice 9B10 and EPA regulations at 40 CFR 

152.46, and no other changes have been made to the labeling or the confidential statement of formula cf 

this product. I understand that it is a violation of 18 U.SC. Sec. 1001 to willfully make any false 

statement to EPA. I further understand that if this notification is not consistent with the terms of 

PAR Notice 98-10 and 40 CFR 152.46, this product many be in violation of FIFRA and I may be subject to 

enforcement action and penalties under sections 12 and 14 of FIFRA. 

Section " III 

1. Materiat This Product Will Be Packaged In: 

Child-Resistant Packaging U~ckaging W~Soluble Packaging 2. T e of Container ti3 Yes" Yes Yes Metal 

X No X- No X- No X Plastic 

If "Yes' No. pel If 'Yes" No. per Glass 

"Certification must Unit Packaging wgt. conta·lner Package wgt Containe Paper. 

be submitted I C Other (Specify) HDPE lined bags 

3. Location of Net Contents Information 4. Size(s) Retail Container 5. Location of Label Directions 

m Labe' o Container 1 quart, 1 gallon [g On Label 

On Labeling accompanying product 

6. Manner in Which Label is Affixed to Product § Uth09caph 0 other _adhesive backed,label, 

X Paper glued ' " " , , 

Stenciled ", , , , o~,...~ 

Section " IV ",," , , 

1. Contact Point (Complete items directly beloW for identification of individual to be contacted, if neceSS2f)f, (0 'racesD this <;p,P'ication. 

Name J Title ! Telephor.e1N.:!l.'(lnciudeArea Code) 

CHERYL WAGNER AGENT FOR HELM AGRO US INC. I (302) 234 8551 "" 

-~ Certification ,2.' Date Applicatio/i 

I certify that the statements I have made on this form and all attachments thereto are lIue, accUiate and complete. ' , : P.eceived ' 

I acknowledge that any knowingly false or misleading statement may be punishable by fine or imprisonment or ' , , J 

both under applicable law. (Sam fj~d) 

2. Signature 3. Title " , .-4. - \ W,. '" , AGENT FOR HELM AGRO US, INC. 

4. Typed Name 5. Date 

CHERYL WAGNER October 13, 2009 

7
) 

HELM DIQUAT Aquatic 

Draft !abel13Dctober2009 

Quart size conve/sion 

HELM DIQUAT 

Aquatic and Landscape Herbicide 

TO PREVENT ACCIDENTAL POISONING, NEVER PUT INTO FOOD, DRINK, OR OTHER 

CONTAINERS, AND USE STRICTLY IN ACCORDANCE WITH ENTIRE LABEL. 

Active Ingredient: 

Diquat dibromide !6,7-dfhydrodipyrido (1 ,2-a:2', 1'-c) 

pyrazinediium dibromideJ ................ . 

Other tngredients: 

Total: 

37.3% 

62.7"h 

100.0% 

COn/sins 2lbs. diquat cation per gal. (3. 73/bS. diquat dlbromide per gal.) 

KEEP OUT OF REACH OF CHILDREN. 

CAUTIONIPRECAUCION 

Si us/ed no entiende la eliquela, busque a atguien para que se la explique a usted en detalfe. (If 

you do not understand Ihe /abe( find someone to exptain it to you in de/ail.) 

See addilional precautionary statements on label. 

EPA Reg. No. 74530-25 

EPA Est. No. 37429-GA-01 

1quart 

Net Contents: 1 quart 

(946.3ml) 

Manufactured for: 

HelmAgro US 

8295 Tournament Dr. 

Su'lte #310 

Memphis, TN 38125 

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nELM DlQUAT Aquatic 

Draft label 130ctober2009 

Quart size conversion 

HELM DIQUA T Aquatic 

FIRST AID 

Ifon skin or • Take off contaminated clothing. clothing • Rinse skin immediately with plenty of water for 15-20 minutes. 

• Call a poison control center or doctor for treatment advice. 

Ifin eyes • Hold eye open and rinse slowly and gently with water for 15-20 minutes. 

• Remove contact lenses, if present, after the first 5 minules, then continue 

rinsing eye. 

• Call a poison control center or doctor for treatment advice. 

If swallowed • Call a poison control center or doctor immediately for treatment advice. 

• Have person sip a glass of water if able to swallow. 

• Do not induce vomiting unless told to do so by the poison control center or 

doctor. 

• Do not give anything by mouth to an unconscious person. 

If inhaled • Move person to fresh air. 

• If person is not breathing, call 911 or an ambulance, then give artificial 

respiration, preferably mouth-to-mouth, if possible. 

• Call a poison control center or doctor for further treatment advice. 

NDTE TO PHYSICIANS 

To be effective, treatment for diquat poisoning must begin IMMEDIATELY. Trealment consists of 

binding diquat in the gut with suspensions of activated charcoal or bentonite clay, administration 

of cathartics to enhance elim'lnation, and removal of diquat from the blood by charcoal hemoperfusion or continuous hemodialysis. 

Have the product container or label with you when calling a poison control center or doctor, or 

going for treatment. 

For 24-Hour Medical Emergency Assistance (Human 

or Animal) or Chemical Emergency Assistance ~Pill, Leak, 

Fire, or Accident), Call (303) 623-57t6 (Rocky ountain 

Poison Control Center) 

For Transportation Emergencies: Call ChemTrec at (800) 

424-9300. 

PRECAUTIONARY STATEMENTS 

Hazards to Humans and Domestic Animals 

CAUTION/PRECAUCION 

Harmful if inhaled. Harmful if swallowed. Causes moderate eye irritation. Avoid breathing spray 

mist. Avoid contact with eyes or clothing. 

Personal Protective Equipment (PPE) 

Some materials that are chemical-resistant to this proouct are: barrier laminate, butyl rubber >14 mils, 

nitrile rubber >14 mils. If you want more options, follow the instructions for Category A on an EPA 

Chemical Resistance Category Selection Chart. 

Mixers, Loaders, Applicators and other handlers must wear: 

CoverallS over long-sleeved shirt and long pants 

Chemical-resistant gloves 

Chemical-resistant footwear plus socks 

Proteclive eyewear 

Chemical-resistant headgear for overhead exposure 

Chemical-resistant apron when cleaning equipment, mixing, or loading 

Face shield when mixing or loading 

A dusVmist filtering respirator (MSHAINIDSH approval number prefix TC-2tC) 

Exception: After this product has been diluted to 0.50% HELM DIQUAT Aquatic 37.3% or less in 

water (I.e., the labeled rate for some spot applications), applicators for AQUATIC SURFACE 

APPLICATIONS must, at a minimum, wear (Note - Mixers and Loaders for this application'IMlh<ld 

must still wear the personal protective equipment (PPE) as described in the above section):; '; 

Long-sleeVed shirt and long pants 

Shoes plus socks 

Waterproof gloves 

Protective eyewear 

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HELM DlQUAT Aquatic 

rlELM DIQUAT Aquatic 

Draft label 130ctober2009 

Quart size conversion 

Exception: At a minimum, applicators for AQUATIC SUBSURFACE APPUCATIONS must wear (NoteMixers and Loaders for this application method must still wear the personal proteclive equipment 

(PPE) as described in the above section): 

Short-sleeved shirt and short pants 

• Waterproof gloves 

• Chemical-resistant footwear plus socks 

Discard clothing and other absorbent materials that have been drenched or heavily contaminated 

with this product's concentrate. Do not reuse them. Follow manufacturer's instructions for cleaning! 

maintaining PPE. If no such instructions for washables exist, use detergent and hot water. Keep and 

wash PPE separately from other laundry. 

Engineering Control Statements 

Mixers and loaders supporting aerial applications are required to use closed systems that provide 

dermal protection. The closed system must be used in a manner that meets the requirements listed in 

1he Worker Protection Standard (WPS) for agricultural pesticides 140 CFR 170.240(d)(4»). When using 

the closed system, mixers and loaders' PPE requirements may be reduced or modified as specified in 

theWPS. 

Engineering Controls 

When handlers use closed systems, enclosed cabs, or aircraft in a manner that meals the requirements 

listed in the Worker Protection Standard (WPS) for agricu~ural pesticides (40 CFR 170.240(d)(4-6)), the 

handler PPE requirements may be reduced or modified as specified in the WPS. 

User Safety Recommendations 

Users should: 

• Wash hands before eating, drinking, chewing gum, using tobacco, or using the toilet. 

• Remove clothing/PPE immediately if pesticide gets inside. Then wash thOroughly and put on 

clean clothing. Prolonged contact of the product with the skin may produce burns. 

• 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. 

Environmental Hazards 

This pesticide is toxic to aquatic invertebrates. For Terrestrial Uses, 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 rinse ate. For Aquatic Uses do 

not apply directly to water except as specified on this label. 

CONDITIONS OF SALE AND LIMITATION OF WARRANTY AND UABIUTV 

NOTICE: Read the entire Directions for Use and Conditions of Sale and Limitation of Warranty and 

Liability before buying or using this product. If the terms are not acceptable, return the product at 

once, unopened, and the purchase price will be refunded. 

The Directions for Use of this product must be followed carefully. Jt is impossible to eliminate all risks 

inherently associated with the use of this product. Crop injury, ineffectiveness or other unintended 

consequences may result because of such factors as manner of use or application, weather or crop conditions, presence of other materials or other influencing factors in the use of the product, which are 

beyond the control of HELM AGRQ US, INC. or Seller. All such risks Shall be assumed by 

Buyer and User, and Buyer and User agree to hold HELM AGRO US, INC. and Seller harmless for any 

claims relating to such factors. 

HELM AGRO US, INC. warrants that this product conforms to the chemical description on the label 

and is reasonably fit for the purposes stated in the Directions for Use, subject to the Inherent risks 

referred to above, When used in accordance with directions under normal use conditions. This warranty 

does not extend to the use of the product contrary to label instructionS, or under abnormal conditions 

or under cond~ions not reasonably foreseeable to or beyond the control of Seller or HELM AGRO US, 

INC., and Buyer and User assume the risk of any such use. TO "THE EXTENT CONSISTENT WiTH 

APPliCABLE tAW, HELM AGRO US, INC. MAKES NO WARRANTIES OF MERCHANTABILl.l)'.:.98 ,OF 

FITNESS FOR. A PARnCU!.AR PURPOSE NOR mi cm-ER EXPRESS OR. hViPUED WAARA.NTY riXCEPT p.s 

STATED.t\8O\IE. ' ' 

To the extent cons·lstent with appflcable law, in no event shall HELM AGRO US, INC. or Seller'te'li"aSle 

for any incidental, consequential or special damages resuHing from the use or handling of this PloJUct. 

THE EXCLUSIVE REMEDY OF THE USER OR BUYER, AND THE EXCLUSIVE LlABILITYJOr. XELM 

AGRO US, INCANO SELLER FOR ANY AND ALL CLAIMS, LOSSES, INJURIES OR DAMAGES (I~.!I;';L.!C!I~G 

CLAIMS BASEO ON BREACH OF WARRANTY, CONTRACT, NEGLIGENCE, TORT, STRICT LIABILITY OR 

OTHERWISE) RESULTING FROM THE USE OR HANDliNG OF THIS PROOUCT, SHALL BE THE RETURN OF 

THE PURCHASE PRICE OF THE PRODUCT OR, AT THE ELECTION OF HELM AGRO US, INC. OR SELLER, 

THE REPLACEMENT OF THE PRODUCT. 

HELM AGRO US, INC. and Seller offer this product, and Buyer and User accept it, sutject to the 

foregOing conditions of Sale and Limitations of Warranty and Liability, which may not be modified 

except by written agreement signed by a duly authorized representative of HELM AGRO US, INC .. 

Page 3 of 10 

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DIRECTIONS FOR USE 

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nElM DJQUAT Aquatic 

Draft label 130ctober2009 

Quart size conversion 

It is a violation of federal law to use this product in a manner inconsistent with its labeling. 

REAO ENTIRE LABEL USE STRICTLY IN ACCOROANCE WITH PRECAUTIONARY STATEMENTS AND 

DIRECTIONS, ANO WITH APPLICABLE STATE AND FEOERAL REGULATIONS. 

Do not apply this product through any type of Irrigation system. 

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 10 your State or Tribe, consul! the agency responsible for pesticide regulation. 

AGRICULTURAL USE REQUIREMENTS 

Use this product only in accordance with its labeling and with the Worker Protection Standard, 

40 CFR part 170. This Standard contains requirements for the protection of agricultural workers 

on farms, forests, nurseries, and greenhouses, and handlers of agricultural pesticides. It contains 

requirements for training, decontamination, notification, and emergency assistance. II 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 aJlow worker entry into treated areas during the restricted-entry interval (REJ) of 

24 hours. 

PPE required for early entry to treated areas that ·IS permitted under the Worker Protection 

Standard and that involves contact with anything that has been treated, such as plants, soil, or 

water is: 

Coveralls over long-sleeved shirt and long pants 

Chemical-resistant gloves made of any waterproof material 

Chemical-resistant footwear plus socks 

Protective eyewear 

Chemical-resistant headgear for overhead exposure 

NON-AGRJCUL TURAL USE REQUIREMENTS 

The requirements in this box apply to uses of this product that are NOT within the scope of the 

Worker Prolection Standard for agricultural pesticides (40 CFR part 170). The WPS applies when this 

product is used to produce agricultural plants on farms, forests, nurse(les, or greenhouses. 

Keep aJi unprotected persons out of operating areas or vicinity where there may be drift. 

For terrestrial uses, do not enter or allow others to enter until sprays have dr·led. 

For aquatic uses, do not enter treated areas while treatments are in progress. 

Page 4 of 10 

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Do not contaminate water, food, or feed by storage or disposal. 

Pesticide Storage 

nELM DIQUAT Aquatic 

Draft label 130ctober2009 

Quart size conversion 

Keep pestlclde in original container. Do not put concentrate or dJiute into food or drink containers, 

Do not contaminate feed, foodstuffs, or drinking water. Do not store or transport near feed or food. 

Store at temperatures above 32'F. For help with any spill, leak, fire, or exposure involving this material, call CHEMTREC at (800) 424-9300, 

Pesticide Disposal 

Open dumping is prohibited. Pesticide wastes are toxic, Improper disposal of excess pesticide, spray 

mixture, or rinsate is a violation of federal law. If these wastes cannot be disposed of by use according to label instructions, contact your State Pesticide or Environmental Control Agency, or the Hazardous Waste representative at the nearest EPA Regional Office for guidance. 

Container Disposal Statement 

Nonrefillable Containers: Do not reuse or refill this container. Offer for recycling, if available. Clean 

container promptly after emptying. Triple rinse as follows: Empty the remaining contents into 

application equ'lpment or a mbc tank and drain for 10 seconds after the flow begins to drip. Fill the 

container Y. full with water and recap. Shake for 10 seconds. Pour rinsate into application equipment 

or a mix tank or store rinsate for later use or disposal. Drain for 1 0 seconds after the flow begins to 

drip. Repeat this procedure two more times. 

CONTAINER 15 NOT SAFE FOR FOOD, FEED, OR DRINKING WATERI 

SPECIFIC USE DIRECTIONS 

HELM DIQUAT Aquatic is a nonvolatile herbicidal chemical for use as a general 

herbicide to control weeds in commercial greenhouses and nurseries; omamental seed crops 

(flowers, bulbs, etc, - except in the state r:i Californ'la); landscape, industrial, recreational, commercial, 

residential, and public areas; turf renovation (all turf areas except commercial sod farms); dormant 

established turfgrass (bermudagrass, zoysiagrass - nonfood or feed crop); and aquatic areas. 

Absorption and herbicidal action 'IS usually quite rapid with effects vIsible in a few days. HELM 

DIQUAT Aquatic controls weeds by interfering with photosynthesis within green 

plant tissue. Weed plants should be succulent and actively growing for best results. Rinse all spray 

equipment thoroughly with water after use. Avoid spray drift to crops, ornamentals, and other desirable plants during application, as injury may result. Application to muddy water may result in reduced 

control. Minimize creating muddy water during application, Use of dirty or muddy water for Sharda 

Diquat Dbromide 37,3% dilution may result in reduced herbicidal activity. Avoid applying 

under conditions of high wind, water flow, or wave action. 

SPRAY DRIFT MANAGEMENT 

Avoiding spray drift at the application site is the responsibJlity of the applicator and the grower. The 

interaction of many equipment- and weather-related factors determine the potential for spray 

drift. The applicator and the grower are responsible for considering all these factors when making 

decisions. 

The following drift management requirements must be followed to avoid off-target movement from 

aerial applications to agricultural field crops. These requirements do not apply to forestry applications, public health uses, or to applications USing dry formulations. 

The distance of the outermost nozzles on the boom must not exceed Y. the length of the 

wingspan or rotor. 

Nozzles must always point backward parallel with the air stream and never be pointed downward more than 4S degrees. 

Where states have more stringent regulations, they should be obselVed. 

Droplet Size 

The most effeclive way to reduce drift potential is to apply large droplets. The best drift management 

strategy is to apply the largest droplets that provide sufficient coverage and control. AppIY;f19 )~T3er 

droplets reduces drift potential, but wHI not prevent drift if applications are made implOpe?ly,'or 

under unfavorable environmental cond~ions (See Wind, Temperature and HUmidity, and Te'mperature 

inversions). ' ) ) .' -, , 

Controlling Droplet Size 

• Volume - Use high flow rate nozzles to apply the highest practical spray volume. Nozile~wiih 

higher rated flows produce larger droplets. 

Pressure - Do not exceed the nozzle manufacturer's recommended pressures. For many nozzle types, 

lower pressure produces larger droplets. When higher flow rates are needed, use higher flow rate 

nozzles instead of increasing pressure. 

Number of Nozzles - Use the minimum number of nozzles that provide uniform coverage. 

Nozzle Orientation - Orienting nozzles sO that the spray is released parallel to the airstream 

produces larger droplets than other orientations and is the recommended practice. Significant 

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riELM DIQUAT Aquatic 

Draft label 130ctober2009 

Quart size conversion 

deflection from horizontal will reduce droplet size and increase drift potential. 

Nozzle Type - Use a nozzle type that is deSigned for the intended application. With most nozzle 

types, narrower spray angles produce larger droplets. Consider using low-drift nozzles. Solid stream 

nozzles oriented straight back produce the largest droplets and the lowesl drift. 

Boom Length 

For some use patterns, reducing the effective boom length to less than :y. of the wingspan or rotor 

length may further reduce drift without reducing swath width. 

Application Height 

Applications should not be made at a height greater than 10 ft. above the top of the target plants, 

unless a greater height is required for aircraft safety. Making applications at the lowest height that is 

safe reduces exposure of droplets to evaporation and wind. 

Swath Adjustment 

When applications are made with a crosswind, the swath will be displaced downwind. Therefore, on 

the up and downwind edges of the field, the applicator must compensate for this displacement by 

adjUsting the path of the aircraft upwind. Swath adjustment distance should increase with increasing 

drift potential (higher wind, smaller drops, etc.). 

Wind 

Drift potential is lowest between wind speeds of 2-10 mph. However, many 1actors, including droplet 

size and equipment type, determine drift potential at any given speed. APplication should be 

avoided below 2 mph due to variable wind direction and high inversion potential. NaJe: Local terrain 

can influence wind paJterns. Every applicator should be familiar with local wind paJlerns and how 

they affect spray drift. 

Temperature and HumIdity 

When making applications in low relative humidity, set up eqUipment to produce larger droplets to 

compensate for evaporation. Droplet evaporation is most severe when conditions are hot and dry 

Temperature Inversions 

Applications should not occur during a temperature inversion because drift potential is high. 

Temperature inversions restrict vertical air mixing, which causes small suspended droplets to remain 

in a concentrated cloud. This cloud can move in Unpredictable directions due to the light variable 

winds common during inversions. Temperature inversions are characterized by increaSing temperatures with altitude and are common on nights with limited cloud cover and light to no wind. They 

begin to form as the sun sets and often continue into the morning. Their presence can be indicated 

by ground fog, however, " fog is not present inversions can also be identified by the movement of 

smoke 1rom a ground source or an aircraft smoke generator. Smoke that layers and moves laterally in 

a concenlrated cloud (under loW wind conditions) indicates an inversion, while smoke that moves 

upward and repidly dissipates Indicates good vertical air mixing. 

Sensitive Areas 

The pesticide should only be applied when the wind is blowing away from adjacent sensitive areas 

(e.g., residential areas, bodies of water, known habitat for threatened or endangered species, non- target crops). 

COMMERCIAL GREENHOUSES AND NURSERIES 

For general weed control in commercial greenhouses (beneath benches), field grown and container 

stock, and other similar areas, HELM DIQUAT Aquatic may be applied preplant or 

postplant preemergence in field grown omamental nursery plantings or postemergence as a directed 

spray. HELM DIQUAT Aquatic may also be applied preemergence in ornamental 

seed crops (except in the state of California). Avoid contact with desirable foliage as injury may ocCtir. 

Do not use on food or feed crops. 

Spot spray: f-2 qts. HELM DIQUAT Aquatic plus the labeled rate of a 75% or greater 

nonionic surfactant per 100 gals, of water, or 0.75 oz. (22 mis.) HELM DIQUAT Aquatic plus the 

labeled rate of a 75% or greater nonionic surfactant per 1 gal. of water. 

Broadcas1: 1-2 pts. HELM DIQUAT Aquatic in a minimum of 15 gals, of water per 

acre. Add the labeled rate of a 75% or greater nonionic surfactant per tOO gals, of spray mixture. Use 

an adequate spray volume to insure good coverage. 

ORNAMENTAL SEED CROPS (FLOWERS, BULBS, ETC.) EXCEPT IN THE STATE OF CALIFORNIA 

For preharvest desiccation of ornamental seed crops. NOT FOR FOOD OR FIBER CROPS. 

Broadcast (Air or Ground): 1.5-2 pts. HELM DIQUAT Aquatic plus the labeled',' rlte 

01 a 75% or greater nonionic surfactant per acre In sufficient water (minimum of 5 gals, by air; 15 gals, 

by ground) for desiccation and weed burndown. Repeat as needed at no less than 5-day int3IVJ:,;-UP 

to three applications. Do not use seed, screenings, or wasle as feed or for consumption. ' , , ' 

DIRECTIONS FOR LANDSCAPE, INDUSTRIAL, RECREATIONAL, COMMERCIAL, RES:CE"'TIAL, 

AND PUBLIC AREAS ' , 

HELM DIQUAT Aquatic provides fast control of broadleaf and grassy weeds in 

industrial, recreational, golf course, commercial, residential, and public areas. 

HELM DIQUAT Aquatic is a nonselective herbicide that rapidly kills undesirable 

above ground weed growth in 24-36 hours. Avoid application of Sharda Diquat Dibrmoide 37.3% 

SL to desirable plants. 

HELM DIQUAT Aquatic is a contact/desiccant herbicide; H is essential to obtain com. 

Page 6 of 10 

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! 

rlELM OIQUAT Aquatic 

Draft label f30ctober2009 

Quart size conversion 

plete coverage of the larget weeds to get good control. Improper application technique and/or application to stressed weeds may result in unacceptable weed control. For best results, apply to actively 

growing, young weeds. 

Difficult weeds (such as perennial or deeply-rooled weeds) can often be controlled by tank mixing 

HELM OIQUAT Aquatic with other systemic-type herbicides. Refer 10 other product 

labels for specific application directions. 

For residual weed control, lank mix HELM OIQUAT Aquatic with a preemergent 

herbicide labeled for the intended use sile. When mixing HELM OlaUAT Aquatic 

with another herbicide, II is recommended to mix just a small amount firs! to determine if the mixture is physically compatible before proceeding with larger volumes. 

Helm Agro US, Inc. has not tested all possible tank mixtures wHh other herbicides for compatibility, 

efficacy or other adverse effects. Before mixing with other herbicides Sharda recommends you first 

consuR your state experimental station, state university or extension agent. 

Grounds maintenance weed control: HELM DIQUAT Aquatic can be used as a spot 

or broadcast spray to control weeds in public, commercial and residential landscapes, including landscape beds, la'Nns, golf courses and roadsides. HELM DIQUAT Aqua/ic can also be 

used for weed con/rol around the edges and nonflooded portions of ponds, lakes and ditches. 

Trim and Edge weed control: HELM DIQUAT Aquatic can be used to eliminate undesired grass and broadleaf plant growth in a narrow band along driveways, walkways, patios, cart paths, 

fence fmes, and around trees, ornamental gardens, buildings, other structures, and beneath noncommercial greenhouse benches. Vegetation control with HELM DIQUAT Aquatic is 

limited to the spray application width. Do not exceed the labeled rate of HELM DIQUAT Aquatic as 

excess'lve rates may result in staining of concrete-based materials. 

HELM D1QUAT Aqua~c, since H does not translocate systemically, can be used as an 

edging or pruning tool when precisely applied to select areas of grass or to undesirable growth on 

des'lrable ornamental bedding plants, ground covers, etc. 

Industrial weed control: HELM DIQUAT Aquatlc can be used as a spot or broadcast 

spray either alone or in combination with other herbicides as a fast burndown or control weeds in 

rights-of-ways, railroad bedslyards, highways, roads, dividers and medians, parking lots, pipelines, 

pumping statlons, public utility lines, transformer stations and substations, electric utilities, storage 

yards, and other non-crop areas. 

Spot spray: Apply eHher t-2 qls. of HELM DIQUAT Aquatic plus the labeled rate of 

a 75% or greater nonionic surfactant per 100 gals, water, orO.75 oz. (22 mis.) HELM DIQUAT Aquatic 

plus the labeled rate of a 75% or greater nonionic surfactant per t gal. of water. 

Broadcast: 1-2 pis. HELM DIQUAT Aquatic per acre in sufficient water to insure 

good spray coverage. Add the labeled rate of 75% or greater nonionic surfactanl per 100 gals, spray 

mixture. Greater water volumes are necessary if the target plants are tall and/or dense. It is recommended that 60 gals, or greater water volume be used to obtain good coverage of dense weeds. 

TURF RENOVATION (ALL TURF AREAS EXCEPT COMMERCIAL SOD FARMS) 

To desiccate golf course turf and other turf areas prior to renovation, apply 1-2 pts. of HELM 

DIQUAT Aquatic per acre plus the labeled rate of a 75% or greater nonionic surfactant in 20-100 gals, of water (4 teaspoons of HELM OIQUAT Aquatic plus the 

labeled rate of a 75% or greater nonionic surfactant per 1 gal. of water) using ground spray equipment. Apply for full coverage and thorough contact with the turfgrass. Apply only when the turf is 

dry, free from dew and incidental moisture. For enhanced turf desiccation, especially in the case of 

thick turfgrass, water volumes should approach 100 gals, of water per acre. 

For suppression of regrowth and quick desiccation of treated turfgrass, Sharda Oiquat Oibromlde 

37.3% may be mixed with other systemic nonselective or systemic postemergence grassy 

weed herbicides. Referto other product labels for specific application directions and restrictions. 

Avoid spray contact with, or spray drift to, foliage of ornamental plants orfood crops. 

00 not graze livestock on treated turf or feed treated thatch to livestock. 

DORMANT ESTABUSHED TURFGRASS (BERMUDAGRASS, ZOYSIAGRASS), NONFOOD OR 

FEED cROP 

For control of emerged annual broadleaf and grass weeds, including lillie Bartey', Annual Bluegrass, 

Bromes including Rescuegrass, Sixweeks fescue, Henbit, Buttercup, and Carolina Geran'lum in established dormant bermudagrass lawns, parks, golf courses, etc. . , , ; , , , , Apply 1-2 pts. HELM DIQUAT Aquatic per acre in 20-100 gals, of spra~' mix 'by 

ground as a broadcast application. Add the labeled rate of a 75% or greater nonionic sur..eC:£n~ ;Jer 

100 gals, of spray mixture. ' " 

Bermudagrass must be dormant at application. Application to actively growing bermuda~rasJ may 

cause delay or permanent injury. Users in the extreme Southern areas should be allenti'{~ ~o, Ihe 

extent of dormancy at the time of application. . 

'For control of Lillie Barley, apply HELM DIQUAT Aquatic prior to the mid-boot 

stage. 

AQUATIC USE DIRECTIONS 

New York -Not for Sale orUse in New York State without Supplemenlal Special Local Needs 

Labeling. 

Page 7 of 10 

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\ 

rlELM DfQUAT Aquatic 

Draft fabel t30ctober20Q9 

Quart size conversion 

Necessary approval and/or permits must be obtained prior to application if required. Consult the 

responsible State Agencies (Le., Fish and Game Agencies, State Water Conservation authorities, or 

Department of Nalural Resources). 

Treatment of dense weed areas may resuH in oxygen loss from decomposaion of dead weeds. This foss 

of oxygen may cause fish suffocation. Therefore, treat only tf3 to 1/2 of the water booy area at one 

time and wait 14 days between treatments. 

For best resuHs on submersed weeds, HELM DIQUAT Aquatic should be applied to 

actively growing (photosynthesizing) weeds when water temperatures have reached or exceeded 

approximately 50·F, typically during the Spring or early Summer. 

For application only to still water (Le. ponds, lakes, and drainage ditches) where there is minimal or 

no outflow to public waters. 

and/or 

For applications to public waters in ponds, lakes, reservoirs, marshes, bayous, drainage ditches, canals, 

streams, rivers, and other slow-moving or quiescent bodies of water for control of aquatic weeds. For 

use by: 

• Corps of Engineers; or 

• Federal or State public Agencies (i.e., Water Management District personnel, municipal officials); 

• Applicators " and/or Licensees (Certified for aquatic pest control) that are authorized by the State 

or local government. 

Treated water may be used according to the following table or until such time as an approved assay 

(example: PAM II Spectromatic Method) shows that the water does not contain more than the designated maximum contaminant level goal (MClG) of 0.02 mgll. (ppm) of diquat dibromide (calculated 

as the cation). 

Water Use Restrictions Following Applications With HELM DIQUAT Aquatic (Days)··* 

Application Rate Drinking Fishing Uvestockl Spray Tank Spray Tank ,,' -.", Applications** Applications" 

Swimming Animals and Irrigation to and Irrigation to 

Consumption Turfand Food Crops and 

"""'- Production 

Omamentals Omamentals 

2 qIsJ.2S surface acre 3 days 24 hours 1 day 3 days Sdays 

1.32 qts.l.33 surface 2 days 24 hours 1 day 

2 "" 

5d", 

,oro 

3 qtslt surface acre 2 days 24 hours 1d" 2 days Sdays 

1 qt.l.5 surface acre 1 day 24 hours 1 day 1 day 

5 "" 

Spot Spray" « 2 qts. tday 24 hours 1 day td" Sdays 

Isurface acre) 

*Add a nOnlonlc surfactant (With at least 7S% of the constituents active as a spray adjuvant) at the 

rate recommended by the manufacturer. 

*'For preparing agricultural sprays for food crops, turf or ornamentals (to prevent phylotox'lcily), do 

not use water treated with HELM DIQUAT Aquatic before the specified time 

period. 

***Posting notification should be located every 250 feet including the shoreline of the treated area and 

up to 2S0 feet of shoreline past the application site to include immediate public access points. 

Posting must include the day and time of application. 

When the conlents of more than one spray tank is necessary to complete a single aquatic application, 

no water holding restricnons apply between the consecutive spray tanks. 

No applications are to be made in areas where commercial processing of fish, resulting in the production of fish protein concentrate or fish meal, is practiced. Before application, coordination and 

approval of local and/or State authorities must be obtained. 

Floating and Marginal Weeds Including: ' , , , , 

Water lettuce, Pisfia s1rafio/es 

Water hyacinth, Eichhomia crass(oes 

Duckweed, Lemna spp. 

Sawinia spp. (including S. moles/a) 

Pennywort (Hydrocoty/e spp.) 

Frog's Bit\ Umnobiumspongia 

Cattails, Typha spp. 

INot for use in California 

HELM DIQUAT Aquatic may be applied by backpack, airboat, spray handgun, helicopter, airplane, or similar application equipment that results in thorough spray coverage. 

Spot Treatment: Apply HELM DlQUAT Aquatic at 1 quarts per 50 gallons spray 

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15
'1 

riELM DIQUAT Aquatic 

Draft label t30ctober2009 

Quart size conversion 

carrier (0.5% solution) with an approved aquatic wetting agent at 0.25·1.0% vlv (t quart to 1 gallon 

per 100 gallons water). For cattail control, HELM DIQUAT Aquatic should be applied 

prior to flowering at the maximum application rate (1 quart of HELM DIQUAT Aquaticl12.5 gallons 

spray carrier) plus the wetflng agent. Repeat treatments may be necessary for 

complete control. 

Spray to completely wet target weeds but not to runoff. Densely packed weeds or mats may require 

add·rtional applications due to incomplete spray coverage. Re·treat as needed. For best resuHs, re·treat 

weed escapes within 2 weeks of the initial treatment. 

Broadcast Treatment: Apply HELM DIQUAT Aquatic at the rate of 1-4 quarts per 0.5 surface acre. 

per surface acre in sufficient carrier along wah 8·16 ozlO.S acre of an approved wetting agent. Re· 

treat as necessary for densely populated weed areas. Good covera ge is necessary for control of 

the target weeds. 

For duckweed control, apply HELM DIQUAT Aquatic at 1·2 qts.lO.25 acre, 

Submersed Weeds InCluding: 

Bladderwort, Utricularia spp. 

Hydrilla, Hydn'lIa vsrticillala 

Walermilfoils (including Eurasian), Myriophyllum spp. 

Pondweeds\ Potamogeton spp. 

Coontail, Ceratophytlum demersum 

Elodea, Elodea spp, 

Brazilian Elodea, Egeria densa 

Naiad, Najas spp. 

Algae2

, Spirogyra spp. and Pithophora spp. 

1 HELM OIQUAT AquaJic controls Polamogetan Species except Richardson's 

pondweed, P. richardsonii. 

'Suppression only. For control of Spirogyra andfor Pilhophora, use HelM DIQUAT Aquatic 

in a tank mix with an approved algaecide. 

For severe weed or algae infestations, the use of an approved algaecide either as a pretreatment to 

the HELM OIQUAT Aquatic application or in a tark mix, may result in enhanced 

weed control. 

To control submersed weeds, apply HELM OIQUAT Aquatic in water at 0.5·2.0 

gallons per surface acre (per 4 foot water depth). For severe weed infeslations, use the 2.0 gallon per 

surface acre rate. For best resuUs, re·treat as necessary on 14-21 day inlervals. The table below shows 

how many gallons of HELM DIQUAT Aquatic to apply per surface acre based on 

water depth. 

Gallons of HElM OIQUAT Aquatic per Surface Acre 

Average Water Depth 

1 Foot 2 Feet 3F ... 4 Feet 

1 gaUon/acre raJe 0.25 gal. 0.50 gal. 0.75 gal. 1.0 gal. 

2 gallon/acre rate 0.50 gal. 1.0 gal. t.5 gals. 2.0 gats. 

Note: For water depths ot 2 feet or less Inciudlng shorelines, do not exceed 1 qt. perO.25 surface acre. 

Subsurface Applications: Where the submersed weed growth, especially Hydrilla, has reached the 

water suriace, apply either in a water carrier or an invert emulsion through boom trailing hoses 

carrying nozzle tips to apply the dilute spray below the water surface to insure adequate coverage. 

Bottom Placement: Where submersed weeds such as Hydrilla, Bladderwort, or Coontail have reached 

the water surface and/or where the water is slowly moving through the weed growth, the use of an 

invert emulsion carrier iniecflng diluted HELM DIQUAT Aquatic near the bottom 

with weighted hoses may improve control. The addition of a copper based algaecide may improve 

control. If algae are present along with the submersed weeds, a pretreatment with a copper based 

algaecide may improve overall control. 

Surface Application for Submerged Aquatic Weeds: Apply the recommended rate of HELM OIQUAT 

Aquatic as a spray in sufficient carrier to fully cover the target area. Applications 

should be made to ensure complete coverage of the weed areas. In mixed weed populatioQ~,,u.s<;).he 

high rate of application as indicated by weeds present. For dense submersed weeds or water llVLr 2 

feet deep, a surface spray is not recommended (HelM OIQUAT Aquatic :lhouJd 'be 

applied subsurface in these Situations.) , , ) ) , , 

If posting Is required by your state or tribe - consult the agency responsible for pesticide reguliltions 

for specific details. . , , , , 

Page 9 of 10 

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16
HELMDlQUAT 

AQUATIC 

Landscape and 

Aquatic Herbicide 

) 

TO PREVENT ACC'UEIITAL POISONING. 

NEVER PUT INTO FOOD. ORlIlIi, OR 

OlllER COIITAIIIERS, AND USE STRICTLV 

IN ACCOROANCE WITH ENTIRE LA6EL. 

Aot"'.'ogrodleol: 

Oldu.' dll"'>mld.la.7.d'~~d(Od,pyrldo 

!l.2·.:2',I'<f j»'(;1."'.difum 

dillroml<!ol "." .. " ... "" .... "", .......... ___ .... _ ...... 37 .~% 

Olher 'oarc'".''' 

Tol., 

62.7% 

IDO,d% 

Co.I.w; 2 Ib:;, ';quol oo,io. po, ~". f;l.7J Ibli. 

"qu., .'"romi<!o por a.l.! 

s •• Oddltio.olureoatrtloo,ry 'I.,omenls 0" tallo< 

AGRICULTURAL USE 

REQUIREMENTS 

u .. Ih!> "",duO! only'" 'ccord""" wlln~. 

"Uel'Od 'nd "'Ill Ill. WO,,,", ProIO<llo. 

Sl.rldor., du ern pM 110. REI., I. supplemonl., ,.,,."og uMo, ""'yr'.ul"'" USe 

R.du'romo.,," ,. Iho Olrootl."" for uso 

,ectlon (os Inform"lo" .!lou, Ih" .'.ndard. 

EPAR.~ No, 7'~(I-25 

Ef\II, Est No, 37'2~1 

1quart 

Net Contents 1 quart (946.3 mil 

Manufactured for: 

Helm Agro US, Inc, 

8295 Tournament Drive 

Suite #310 

Memphis, TN 38125 

KEEP OUT OF REACH 

OF CHILDREN. 

CAUTIONI 

PRECAUCION 

~ ""''''' "" onl,onde I. ot/quOl •• bItriG"' • "I/"io, 9"ra ... , ... ""~., _""delalll. ~I)'DtIdo 

"'" W>¢or>lSr'KIlfie lollol, ro>1 $Omooo" to o"I'iOln I 

10 )'0" '" <w .. ~_) 

ARSTAID 

" "0 .<Irl or clothing' T'ki o~ ""_otOd clothinII· RJo, •• ~" im"",dl.'elv wlI~ plorrty 01 w.'or 10, 1!-21l millUl<! .. COlI. pots"" control _or Of 

dO<:lor tor ''''atmen! .dvi<:o. II in 0)'0" H<ld ell<' ope" ond <ins •• Iol'o'ly ond 

gonlly wlI~ ""or fo, lS-2U m<tulo<. Ramov. "'". I"", "" ... , I( pillSO"" .!\o,me ~mI 5 mlnut ... Ih .. 

COIlIIotJo tiMing eye. Col!. poison "'_ cenl" 0.- w_ to, lfoatment _. 

II ;w.""""d, C.~ • P""''''' ""otto! eonU/S ordoe!or _lyfOf",,,"monl.iM<:c. H,,,,, _ Sip. 

gto .. of "',or i able to ""oIIow. Do rIOt Ind",. ...,m~h:l U11I!!,. told to <W so tJy ,110 PO""" conlm, 

"',,\los or 00010', Do flOC giw an)ihiog b\' mout/\ III 

"" tJ.":",,.tiouo 1"'''''''', 

IIInIlalOtt Move PG=" to I,",~ .~, ~ PO""'" 10 "'" 

OrNUlIf1\l. ""'IUI1 0, .. ombuf"""". "'''''{jive eru. !lelol ,..pir3Uoo. pr.'era~ mouth.lo_m"",". i po._, Call e poioM "",lreI co"'" 0( doctor for 

rurtl1OSI"'otmerd .eM<». 

NOTE TO PH\'SICWlS: To"".~ ,_", 

for .quol pOIOool"ll muot tIollin IMMEOIATEl.Y, 

T"'.'...." OOOsiots ollliOlfing CliqlJat 10 <he gu\ wilh 'UIlporuioos of _ """""at or _ clay, 

Odml._ 01 eoth.rti:/; 10 e"M'IeO oliminOlion, 

and "''''''' .. 01 dlduat I",m 1M 1lI000 by oIIareoal 

hllJTlOpori.*" 0( coolin"",," l>emodla ...... 

Novo 11>0 produd """,oin" 0( loll .. ~ ro. wh"" 

caU;rIG • poI_ 00<1II0I CO"'r '" dO<lo<, or goinq lor 

I .. atmenl f", 2~""Uf modi<al 'mo<gerlC}' 

....... no. {hum." '" onimo~ or COomlCOl 

EmoIll"OCf As.;."""", ($p;I, l<Iok, lim. or 

,eeld.nQ elli .... Ro<ioy Mountal. PoisOil Coolrel 

C<mIar " P'J3) 02:l-511S. Fos T"""porI",",. 

.m'<g,m;"., call Cr.om T"" "(800) d:/4.!I300. 

Precautionary Statements 

Hazard. 'o "um.", OM O"""''''cAnimaIs 

CAuTIONfO N.rm'"' ~ Iol\ato •• "onnlulll ""<I1"""d. Co",e, 

mod,rolO <'Y' Intlo'ioo. AWlIGI pr."~I"!l .!)tOY 

m~l, "'wld """lOct wit~ 'Y" or dotl"ng. 

EoUI",omOnl., ".zard. 

Thl$ po<tIcld.;. 10";.'0 odu,~o 1m"",,,, ... ,, For 

TOrre&lrial 1,1 •••• dO 001 .pply <llroOUy 10 Waler, Of 

'" .ro .. wl>efll .urfuOB wolor" pre""o, or 10 Inlor. 

1;l,1 ''''',. 1>01""'1110 m."" rHgh WOW m,"", Do "'" 

co"",mio",,, w"" whe" .... po'"'d 01 oquipmoot 

w.I'~"".r. For i«lu<tlC 1,1". <W MC .ppIY d,redly 

"'"oIer "'''''~ o •• pot>lIod on """,'''''',. 

\ 

_lM DIQUAT Aquatic 

Draft Jabel130ctober2009 

Quart size conversiOn 

STORAGE AND DISPOSAL Do 001 CO""'ml"",. ,,"or, food, or loed by 'lor.III" or<f~pOlilll 

P.Sliolde $Ior~g. 

Koop PO"~ '" or\JJnat contain." Do no! P'" 00l). 

r""Im. or dlute In,. fo<!d or drink co,,",i .. ,,_ Do 

rIOl """'''''''',,'' f.O<I, 10od",ufIs, or d"");O~ ,..1." 

Do "'" "'" orl",,,,,PI'f1 rIO'" (0"" or lood, lit..-. .. 

le"'l'O""""" .-. ~2·F. For holp w~ II(Iy '~II, 

... k. fire, or ""I'O'U'" '"tJoMng W. mIII,,,,,. Clill 

CHEMTREC III (aM) d2~~~OO. 

Pe,lIe'd' OiSuo,ol 

ep." dumpios tI; prohll~'<!. P',Iki<I. ".,I.,.re 

rrudc. ,,"proper d_ .. , oj """""" p.Bli<ldo, 'I""Y mi>lu",. or ,,='" 1$. vIOl.Uo" 0,,"" .... , 1IIw. ~ 

lI1 .. ew ..... ",,,,ot be dispo."" of by u"" or<XIl'tI. 

~ 10 'OIlOIlrlSIrucIl"" .. """,act your StoIO Po_. 

or 10","",,,",,,,,, .. eo",,"1 A{!<ocy. or 1M KiwI,""", """"" "_111M> " tho "oru.! S'A Rogjoool Ofi;oo forguld"""". 

Co""'n., Oi.po .. ' 

Non rnfillablo oootolnor, Do noI ro"'" a; ",fill 

"""""'", Off" lor ,"0)'CIing, if .... fablo. ca."" 00IIIiIh« """"pUy Oflor .mpljlng, """ rriIobio 

<lDnI31 .. r "Gu" to <1<'''''"''. 5 Silllon,. TrfpI<t Moo .. lolJ""", emply tho nnnalnlO(l COl",,,", Irlto 

.ppllcs\ioo ",ulpmoflt or. """ 1"" •• fKI dralo lor 19 

'.cooo. aftor 1110 flow bGgin' ., dI!p. FlI 111. 

""""Inor)\ (ull_ waler ,nd '""'P' Shal:<! for (U .. cond., Poor 11 .... 10 Irlto Oppiicalion "'lLEpm<lrt OS 

• mix I, .. or -Store ...... g far laC" U .. '" d",proal 

Dtoin for Id ""'OM' aftor I ... ftow I>6gir1> to t!i1p. 

FIopelll 111;' ~LIrn 2 fnOnl IIm .. _ 

oomlllNER III NOT &\FE FOIl FOOD, FEE", OR O~INKINGWATERl 

Page10of10 

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3 -.21 -2:ooc{, 

AGENCY 

Office of Pesticide Programs 

Registration Division (7S0SP) 

Ariel RiDS Building 

1200 Pennsylvania Ave., NW 

Washington, D.C. 20460 

NOTICE OF PESTICIDE: 

L Registration 

_ Reregistration 

(under FIFRA, as amended) 

EPA Reg. Number. , Dille of ksuance: 

74530-25 

Term ofIss\Wlce: 

Name of Pesticide Product: 

. Helm Diquat Aquatic and 

On the basis of information f'umi3hed by the regiSlnlnt, the above named pesticide is hereby tegi~tered under the Fedctal Insecticide, Fungicide and 

Rodenticide Act Re&istradon is in no way to be construed as an endorsement or recommcndation of this produetby the Agency. In ordtlf" to protect 

health and the enviJ1mment, the Administnltor, on NS motion, may at anytime suspend or cancel theregistl'alion ora pesticide in aceOl'dllllce with the 

Acl. The IC<.a:ptance of all)' name-in ,C<lnnection w·lth the rqislnllioo of a product II!Idec. this Act is nol to be constnled as giving the registranl a right to 

exclusive use of the name or 10 il5 use if it hWi been cOverW by others. 

This product is registered in accordance with PIFRA sec. 3(c)(7)(A), provided that you make the followingrevisions: 

I. Change the Signal Word to "Caution," wherever it appears on the label. 

2. Remove the statement, "Do not use this product for refonnulation," wherever it appears on the 

label. 

3. When labels are printed, assure that "Caution" and "Keep Out ofRea~h of Children" meet the 

size requirements specified by 40 CFR I56.60(b)(I). 

4. Precautionary Statements- Hazards to Humans and Domestic Atiimals section: . change text to 

read, "Caution. Hannful ifinhaled. Hannful if swallowed. Causes moderate eye" irritation. 

AvoId breathing spray mist. Avoid contact with eyes or clothing," 

5. Under the Personal Protective Equipment section', 

Remove the statement, "Coveralls over short-sleeved shirt and short 

pants or," 

Add "A dust/mist filtering respirator (MSHAI- NIOSH 

approval number prefix TC-21C)" to the PPE requirements 

Comments cOlJtinued on page 2 of this Noh'ce of Registration , , , . 

Signatureof ApprovingOfficia!: 

Joanne!. Product Manager Miller 23' r· ~ • ~ 

Herbicide Branch . 

Registration Division (7 05P) " 

Date: 

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18
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'Page2 . 

EPA Reg. No. 74530-25 

. Cominents, Continued: 

6. On page 2, remove, "0.50% Shards Diquat Dibromide 37.3%" and replace with your product 

name. 

7. Add the word, "exist," a~er "wash~bles." 

8. Add the hea~ing, "Engineering Controls," to the section beginning, "W1).en handlers use 

closed aystems .... " 

9. Environmental hazards statetpent: Add the words, "or rinseate," after "wash waters." 

10. Make the following modifica~ons to the "Conditions of Sale and Warranty" statement 

a. Under the heading "Conditions," change the word "should" to "must." 

b. Add the statement, "To the extent consistent with applicable law," to the beginning of 

the sentence "Helm Agro US, Inc., makes no warranties .... " 

c. Add the statement. "To the extent consistent with applicable law," in front of the 

sentence beginning, "In no event. .. " 

11, Agricultural Use Requirements box: 

The restricted-entry interval for WPS uses of diquat is 7 days. Change the 

statement; "Do not enter .... 24 hours, "to "Do not enter or allow worker entrY into 

~ted areas'during the restricted-entry interval (REI) of7 days." 

~ Remove the statement, "Coveralls over short-sleeved shirt and short pants or." 

12. Non-Agricultural Use Requirements: Change the "For terrestrial uses", statement to read, "Do 

not enter or allow others to enter treated areas until sprays have dried." 

13, There is a 24-hour swimming prohibition for waters treated with diquat, per.the diquatRED. 

The Water Use Restrictions table (page 8) needs to be modified to address this. Additionally, 

add a statement aboutposting/notification. The following Is an example of a notification 

via posting, but other methods of notification which convey the above restriaions may 

be used and may be required in some cases under state or local law or as a ·condition of 

a permit: 

Example: 

Posting notification should be located every 250 feet Indudlng the shoreline' of the 

treated area and up· to 250 feet of shoreline past the application site to Include 

Immediate public access points. Posting must include the day and time of application. 

14. Add the statement, "EPA Reg. No.,74530-25." 

. .. Submit one copy of the final printed label before you release the product for shipment. If these conditions 

are not complied with, the registration will be subject to cancellation in accor$nce with FIFRA s~tj91}. 

6(e). A stamp·ed copy of the label is enclosed for your records. ,J " > 

Enclosure 

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HELM OJQUAT Aquatic 

Draft Jabel7 August 2007 

HELM DIQUAT Aquatic 

ACCEPTED 

with COMMENTS 

in EPA Lcttor Descd 

2.1 MAR 200! 

Under the Federal lll5eCticiicle 

FWlgicide. m:f Rodcnciclde Act 

lIS .Mlendcd, for the peslkide n:glStemJ unckr EPA Res. No. 

1'f- HO-J5' 

Landscape and Aquatic Herbicide 

TO PREVENT ACCIDENTAL POISONING, NEVER PUT INTO FOOD, ORINK, OR 07NER 

CONTAINERS, AND USE STRICTLY IN ACCORDANCE wrrH ENTIRE LABEL 

DO NOT USE TNIS PRODUCT FOR "REFORMULATION. 

Activo /ngf9dient: 

Diquat dibromide [6,7-dihydrodipYlido (1,2-a:2', 1'·c) 

pyrazinedilum dibromid~l ......................................... . 

OthtIr tngmc!i6nts: 

Tolat 

37.3% 

62.7% 

100.0% 

Contains 2lbs. diqUllt cation per gat. (3.73 }bs. diqua/ dlbromid6 por go/.) 

KEEP OUT OF REACH OF CHILDREN, 

WARNING/AVISO 

Si us/tid no entfonao /a et1queta, busque a Bigu/Gn pam que $0 19 explique a usted en dtJtaJl6. (tf 

,you do !WI unrien;land tho tabilt find 3{)fI1ll0ne to oxplain it to you in df'ltf'lil.) 

SI;HJ f'lddiliona/ prscauYonlllY statsmsnts on /abf'll. 

EPA RtJg. fib. 74530-

EPA"" 

Jallons 

Net Contents 

Manufactured for: Helm 

AgroUS '>'~J' 

8295 Tournament t:f. . _ 

Suito#310 J ~'J 

Memphis, TN 38125;' : 

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on skin Ot 

HELM DIQUAT Aquatic 

FIRST AID 

• Tl1ke off contaminated clothing. 

'HELM DIQUAT Aquatic 

Draft label 7 August 2007 

-''''' • Rinse skin immediately with plenty ofwllterfOr 15-20 minutes. 

• Call a poison control center or doctor for treatment advice. 

If In 0ya5 , Hold eye open and rinse slowly and gently with water for 15-20 minutes. 

• Remove contact: lonses, if present, aftarthe first 5 minutes, then continue 

rinsing eye. . 

• Call a polson control center or dociorfOr treatment advice. 

If swallowed • Calie polson control center or doctor Immediately for treatment advice. 

• Have person sip a glass ofwater if able.to swallow. 

• Do not induce vomiting unleas told to do so by the polson control center or 

doctor. 

• Do not give anything by mouth to an unconsdou& person. 

IflnhaJod • Move person to fresh air. 

• If person is not breathing, cali 911 or an ambulanca, then give artificial 

respiration, preferably mouth-to-mouth, if possible. 

• Call a poison control center or doctor for further traatment advice. 

NOTE TO PHYSICIANS 

To be effective, traalmem fordlquat poisonln?: must begin IMMEDIATELY. Treatment consists of 

biriding diquat in tha gut with suspensions 0 activated charcoal or bentonite clay, administration 

of cathartics to enhance elimination, and removal of diquat from the blood by charcoal hemoperfusion or continuOut hemodia lysis. 

Have the product container or label with you when calling a poison control center or doctor,.or 

going for treatment. . 

O~;t~-Ho~~~~1 ~~rgency Assistance (Human 01" Anima~ or Chemical Emergeney Assistance (Spill, leak, 

Fire, or Accident), call (303) 623-5716 (Rocky Mountain 

Polson Control Center) . ForTranaportation Emergencies: Call ChemTrec at (BOO) 424-9300, . . 

PRECAUTIONARY S1ATEMENTS 

Hazards to Humans and DomestIc Animals 

WARNING J AVISO 

May be fatal If absorbed through skin. Harmful If swallowed or Inhale.:t Causes substantial, but 

tempora·ry, eye injury. Causes skin Irritation. Contact with ilTHated skin, or a cut, or repealed conted 

with intact skin may result in poisoning. Do not get in eyes, on skin, or on clothing. Avoid breathing 

vapor or spray mist Do not feed forage from treated crops to livestock. Keep livestock and pets out 

of treated fields and crop areas. 

Personal Protective equipment (PPE) 

Some materials that are chemlcal-re.slstant to this product are: balTier lamll'lilte, butyl rubber >f4 mils, 

nitrile rubber >14 mils. If you want more options, follow tho Instructions for Cetegory A on an EPA 

Chemical Resistance categOI}' Selection Chart. 

Mixols. L.oaders, Appllcet.ol"$ and other handlers murrt wear. • Coveralls overshort-sleeved shirt and short pants or cove"talls overlong-sleeved shirt and long 

• 

-

Chomlcal-resistant gloves 

• Chemical-reslstant footwear plus socks 

• Protective oyewear . 

• Chemical-resistant headgear for overhead exposure , ) , , ) , 

• ChemicaJ.reslstant epron when cleaning equipment, mixing, o~ loading ) >; 

• Face shield when mixing or loedlng ~ , ~ ) ) 

exception: After this product has been diluted to 0.50% Sharda Dlquat D"lbromkle 37.3% or /eM in' 

water (i.e., the labeled rate for some spot appticallons), appllcalars for AQUATIC SURFAC'E 

APPLICATIONS rnysl at a minimum, wear (Note· Mixers and Loaders for this application mcU;-c;j 

must stili wear the personsl protoctlve equipment (PPE) as described In the abOVII section): ,)',,;' 

• long.sleeved sHrt and long pants 

• Shoos plus socb 

• WaterproofgloV8$ 

• Protective eyewaar 

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HELM C1QUAT Aquatic 

) 

HELM OIQUAl Aquatic 

Draft label 7 August 2007 

Exc:eptlon:.At a minimum, appllcatOfS for AQUATIC SUBSURFACE APPlICATIONS must wear (Note. 

MiXers and Loaders for thl$ application method inust still wear the personal protective equipment (pPE) as dlSCllbed In !fle above section): . 

; Short-sleeued shirt and short pants 

• Waterproof gloves 

• Chemical-resistant footwear plus socks 

Olscard clothing and other absorbent materials that ha .... been drenched or heavily contaminated 

with this product's concentrate. Do not reuse them. Follow manufacturer's instructions for cleaningl 

maintaining PPE. If no such instruaions for washables exist, use deterg&nt and hot water. Keep and 

wash PPE separately from other laundry. 

Engineering Control Statements 

Mixers and loaders supporting aerial applications are required to use closed systems \hat provide 

dermal protection. The dosed system must b'o used in a manner that meats the requirements listed In 

the Worker Protection Standard (WPS) for agricultural pestle!das {40 CFR t70,240(d)(4)1. When using 

the closad system, mixers and loaders' PPE requirements may be r&duced or modified as specified In 

the 'lllPS. 

When handlers use closed systems, ene/osed cabs, or aircraft In a manner that meets the requirements 

Ilsled in tho Worker Protection Standard (WPS) for agricultural pesticides [40 CFR t70.240(d)(4-6», the 

handler PPE requirements may be reduced ormodified as specified in the WPS; 

User Safety Recommendations 

-.-

• Wash hands before eating, drinking, chewing gum, using tobacco, or using the toilet. 

• Remove cIoIhingIPPE immedlately if pesticide gets inside. Then wash thoroughly end put on 

clean clothing. Prolonged contact of the product with the skin 'may produce bums. 

• Remove PPE Immed'iately after handling thls product. Wash the outside of gloves bafore 

removing. AJs soon as possibla, wash thoroughly and chango into clean clothing. 

Environmental Hazards 

.This pnticide Is toxic to equatic invertebrates. ForTorresbial Uses, do not apply directly te water, or 10 areas where surface water is present, or to Inlortldal areas below tho mean high waler mark. Do 

not contaminate water when disposing of equipment wash water. For Aquatic UIIOS do not apply 

directly to wate,r except as IIpecif~ on this label. 

CONDITIONS OF SALE AND lIMlTATIPN.OF WARRANTY AND LIABILITY 

NOTICE: Read the enilre Directions for Use and Cond'rtions of Sale and Limitation ofWarranly and 

Liability before buying or using this product. If the telTTls are not acceptable, return the product at 

once, unopened, and the purchase price will be refunded. 

The OilltCtions for Use of this product should be followed carefully. It is impossible to eliminate all iisks 

inherently associated with the use of this product Crop Injury, ineffectiveness or other unintended 

CXInseqlJenc8S may result because of such ractors 11$ manner of use or appficaUon, weather or crop condilions, pmsence of other materials er other Influencing faclors In the use of the product, which are 

beyond the control of HELM AGRO US, INC. or SellGr. All such risks shal be assumed by 

Buyer and user, and Buyer and User agree to hold HELM ACRO US, INC. and Seller harmless fur any 

claims mlating to such factors. . . 

HELM AGRO US, INC. warrants that this product conforms to the chemical desctiption on the label 

and is reasonably fit for the purposes stated in the Directions for !JSG, subject to the Inherent risks 

referred to above, when used in accordance with directions under normel use condHions. This warranty 

does not extend to the use of the prodt.ld contral)' to label Instructions, or under abnolTTlal conditions 

or undor conditlorlS not reasonably foreseesble to or beyond the control of Seller or HELM AGRO US, 

INC., and Buyer and User assume the Iilk at any such use. HELM AGRO US, .INC. f.W<ES NO 

WARRANTIES Of MERCHANTABIUTY OR OF FFTNESS FCRAPMTlCU.AAF'I..RPOSE ~f<H(OTH:R 

EXPRESSORM'UEDw.o.RRANTYEXCEPTASSfAlEDNlOIIE. 

In no event shaU HELM AGRO US, INC. or SeUer be liable for eny Incidental, col\Sequential o~, IJ~,I, 

damages I8SIlIting from !he use orhandling of this product. 'niE EXCLUSIVE REMEDY OFTliE,U3ER-tlR' 

BUYER" AND THE EXCLUSIVE UABILITY OF HELM AGRO US, INCANO SELLER FOR ANY Al.Io All' 

CLAIMS, LOSSES, INJURIES OR OAMAGES tlNCLUDlNG CLAIMS BASEO ON BREACH OF WAF'JU..NrJ,' 

CONTRA.CT,.NEGUGENCE, TORT, STRICT LIADIUTY OR OTHERWISE) RESULTING FROM THE US.! 9" 

HANDUNG OF THIS PRODUCT, SHALL BE THE RETURN OF THE PURCHASE PRICE OF THE PRODUCT 

OR, AT THE fLECTION Of H~M AGRO US, INC. OR SELLER, THE ~EPLACEMENT OF THE PRODUt.:I'. ; , , , 

HELM AGRO US, INC. and SeHer offer this product, and Buyer and User accept It, subject 10' the 

foregoing conditions of Sale and Limitations of Warranty and liability, which may not be modified 

except by written agreement signed by a duly authorized rep~ntative of HELM AGRO US, INC •. 

DIRECTIONS FOR USE 

'It is a violation offederallaw 10 use Ihis product In a manner Inconslslenl with Its labeling. 

REAO ENTIRE LABEL USE STRICTLY IN ACCORDANCE WITH PRECAUTIONARY STATEMENTS ANO 

OIRECTlONS, ANO WITH APPUCABLE STATE ANO FEOERAL REGULATlO~. 

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HELM DIQUAT Aquatic 

00 not apply thls product through any type of ln1gaUon system. 

\ 

HELM DJQUAT Aquatic 

Draft label 7 August 2007 

00 not apply this product In a way that will contact workers or other persons, either directly or 

through drift. Only protected handlers may b8 in the area during applicaflon. For any requirements specific to your Slate or Tribe, consuH the agency responsible for pesticide regulation. 

AGRICULTURAL USE REQUIREMENTS 

Use this product only in accordance with its labaling and with the Worker Protection Standard, 

40 CFR part 170. This Standard contains requirements for the protection of agrIcultural w'or1<ers 

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 (PPEj, and restricted-enlry Interval. The requIrements in this box 

only apply to uses of this product that are covered by the Worker Protection Standard. 

00 not enter or allow woJi(er entry Into treated areal during the restrfctod-entry tntervat (REI) of ~~~ , 

PPE required for early entry to treated areas that Is permitted under the Wori(lir Protection 

Standard and that Involves contact with anythIng that has been treated, such as plants, loil, or water is: 

• Coveralls over short-sleeved shIrt and short pants, or coveralls over long·sleeved shirt and long 

p"" • Chemlcal·resistant gloves mada of any waterproof material 

Chemical·reslltant footwear plus socks 

Protective eyewear 

Chemical-resistant headgear for overhead exposure 

NON-AGRICUL.TURAL. USE REQUIREMENTS 

The requiremants in this box apply to uses of thIs product that are N'OT wilhin the scope of the 

Worker Protection Standard for agriaJlturnl pesticides (40 CFR pari 170), The WPS appr~ when this 

product is used to produce'agricultural plants on farms, forests, nurseries, or greenhouses. 

Koepall unprotected persona out of openrtlng areas orvlclnltyWhere there may ba drift. 

For tomstrlal usas, do not enter or allow entry of maIntenance workers Into tteated areas, or allow conlact with treated vegetation wet with spray, dew, or rain, without appropriate protective 

clothing until spray has dried. 

For aquatic uses, do not entertreated areas while treatments lire in progress. 

STORAGE AND DISPOSAL 

00 not contaminate water, fo9(l, or feed by storaga or disposal .. 

PestIctde Storage 

Keep pesticide in original container. 00 not put concentrate or dilute Into. food or dri!lk containers. 

00 not conlaminale feed, foodstuffs, or drinking water. 00 not store or transport near feed or food. 

Store at temperatures above 32'F. For help with any spill, leak, fire, or exposure Involving thJsor:M"-; 

rial, caH CHEMTREC at (sao) 424-9300. , }' . " 

Pes,tJclda orsposat > , , > , , 

Open dumpIng is prohibited, Pesticide wastes are·toxic. Improper disposal of excess pesUCide. Jpta,' 

mixture, or rinsate 'IS a violatIon of federal law. If these wastes cannot be disposed of by use at:cOri[· . 

ing to label Instructions, contact your State Pe.stlt;lde or Env)ronmentaJ Control Agency, or the-}:lll<lrJ.. 

otIS Wasla rep~ontative at tho nearest EPA Regional Office for guidance. , , ',', , . 

Container DIsposal 

. 00 not reuse container. Triple rinse (or equIvalent). Then offer for recycling or reconditioning, or puncture and dispose of in II san hal)' lendfill, or Incinoration, or If allowed by State and local.uthorl!ies. 

by burning. If bumed, stay out of smoke. 

For Butk And Mlnt·Bulk Contalnars 

When the container Is empty, replace the cap and seal aU openIngs that have been opened during use 

and retum the contaIner to the point of purchase, or to a deslgnatod locatIon named at the tine of 

purchase of this product. ThIs container must be refilled with this pelsUcida product. DO NOT REUSE 

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HELM OIQUAT Aquatic 

) 

"HELM DIQUAT Aquatic 

. Draft label 7 August 2007 

THE CONTAINER FOR ANY OTHER PURPOSE. I:'rlor to refilling, Inspect cal'8fully for damage such 8$ 

cracks, punctures, abrasions, wom.out threads and closure devl~. Check for leaks after refilling and 

before transport!ng. Do not transport if this container Is damaged or leaking. If not retumed to the 

point of purchase or to a designated location, triple rinso omptiec;l container and Offer for recycling. Disposal of this container must he in compliance With .tate and local regulations. 

For minor sp~la, leaka, etc., follow all precaulions indicated on this label and claan up Immediately. Take special care to avoid contamination of eqUipment and facilities during cleanup procedures and 

di&posalof"!astes. 

CONTAINER IS NOT SAFE FOR FOOO, FEEQ, OR DRINKING WATERI 

SPECIFIC USE DIRECTIONS 

HELM DICUAT AquaUc Is a nonvolatile herbicidal chemical for use as a general 

herbicide to control weeds in commercial greenhouses and, nurseries: ornamental seed crops (!lowers, bulbs, etc. • except in the state of California); iandspape, lndusbia~ recreatiOnal, commercial, 

,residential, end pubKc areas; turf renovation (all ttrl areas except commercial sod farms); dormant 

established turfgrass (bermudagrass, zoysiagrass • nonfood or feed crop); and aquatic areas. 

Absorption and herbicidal action Is usually quHe rapid wHh erfecttl visible in oil few days. HELM 

DIQUAT Aquatic controls weeds by Interfering wHh photosynthesis wHhin green 

plant tissue. Weed plants should be succulent and actively growing for best results. Rinse all spray 

equipment thoroughly with water after use. Avoid spray drift to crops. omamentals, and other dasir· 

able plants during application, as Injury may result AppllcaUon to muddy water may result in reduced 

control. Minimize creating muddy water during application. Use of dirty or muddy water for Sharda 

Diquat Dibromide 37.3% dUution may result in reduced herbicidal activity. Avoid applying 

under cond'rtlons of high wind, water flOW, or wave action. 

SPRAY DRIFT MANAGEMENT 

Avoiding spray drift at the application SM Is the responsibility' of the applicator a~d the grower. The 

Interaction of many equipment- and weather-related factors determine the potential for spray 

drift. The applicator and tha grower are f'1IsponstJle for considering all these factors when making _."" The following drift management requirements must be followed to avoid off.target movement from 

aerial applications to agricuHural field crops. Theae requ'lrements do not apply to forestry applica· 

tions, public health iJses. orto applications using dry formulations: 

• The distance of the outermost nozzles on the boom must not exceed ~/4the length of the 

wingspan or rotor. . 

• Nozzles must always polnt.backward parallel with the air stream and never be pointed down· 

ward more than 45 degrees. 

Where states have more stringent regulations. they should be observed. 

DropletStze 

The most effective way to reduce drift potential is to apply large droplets. The best drift management 

strategy is to apply the largest droplets that provide sUfficient coverage and control. Applying larger 

droplets reduces· drift potenlial, Qut will not prevent drift If applicationS are made'improperly, or 

under unfavorabkn~nvironmental coooitions (see WInd, Temperawl'8 and Humidity, and Tempel1lwl'8 

I~). 

Controlling Droplet Size 

• Votume ~ \,lse high flow rate nonles to apply the highest practlcal'spray volume. Nozzles with 

higher rated flows produce larger droplets. 

• PrasaUi'It· Do not exceed the nozzle manufadurefs recommended PlllSSvru. Formany nozzle types, 

lower pressure produces lailier droplets .. When higher flow rates are needed. use higher flow rate 

nozzles Instead of increasing pressure. 

• Number of Nozzles" Use the minimum number of nozzles that provide uniform coverage. 

• Nozzle Orientation· Orienting nozzles so that the spray is released parallel to the ainrl~.m' ; 

produces larger droplets than other orientations and is the recommended practice. Slgllificant ' 

deflection from horizontal will reduce droplet.size and increase drift potential. j , J , j , 

• Nozzle Type - Usa a nozzle type that Is designed for the Intended application. With most noil'1p, . types. narrower spray angles produce larger droplets. Conslder\JSing IoW-<lrift nozzles. Solid stream 

nozzles oriented straight back produce the largest droplets and tha lowest drift. ' ) , -' ' 

Boom l.ongth , , • ) . 

For some use pattems, reducing the effective boom length to less than 3/4 of the wingspan or rotor 

langth may further reduce drift without reducing swath width. 

AppilcatJon Height 

Application's should not be made at,a height greater than 10 ft. above the top of the target plants, 

unless a greater height 1$ required for aircreft safety. Making epplicatlons at the lowest height that is 

safe reduces exposure of droplets to evaporation and wind. 

Swath Adjustment 

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HELM DIQUAT Aquatic 

) 

HELM OIQUAT Aquatic 

Draft label 7 August 2007 

When applications are made with a crosswind, the swath Will be displaced downwind. Therefore, on the up and downwind edgos of tha fiald, the applicator must compensate for this displacement by 

adjusting the path of the aircraft upwind. Swath adjustment distance should Increase with increasing 

drift potential (higher wind, smaller drops, etc.), "',. 

Orift potential is lowest between wind speeds of 2- to mph. However, many factors, inCluding -droplet 

size and equipment type, determine drift potential at any given speed. Application should be 

avoided below 2 mph due to variable w'md alrec!ion and high invornion potential. Note: Locallerrain 

can Influence wind patterns. Every applicator Should be familiar with local wind patterns and how 

they affect spray drift. 

Temperature and Humidity 

When making applications in low relll~ve humidity, -sat up equipment to produce larger droplots to 

compensate for evaporation. Droplet evaporntion is most se~ero when- condi~ons are both hot and 

<ky. 

T.mperatur.ln~.r510nl 

APplications should not occur during a temperature Inversion because drift potential is high. 

Temperature In~erslons restrict vertical air mixing, which causes small suspended droplets to remain 

in "a concentrated cloud. This cloud can move in unpredictable directions due to the light Variable 

winds common during Inversions. Temperatura Invarsions are characterized by.lncreaslng tempera. 

tures wlth altitude and are common on nights with limited cloud co~er and light to no wind. Thay . begin to form as the sun sats and often continue into the morning. Thalr presenoa can be indicated 

by ground fog, howevtlr, if fog is not present inversions can also be identffied by the mo~ement of 

smoke from a ground source or an aircraft smoke generator. Smoke that layers and moves laterally in 

a concentrated cloud (under low wind cond'itions) 'malCltes an Inversion. wh~e smoke that mo~es 

upward and rapidly dissipates Indicates good vertical air mixing. . . 

S.nllll~. Are .. 

The pesticide should only be applied when the wind il blowing away from adjacent sensili~e areas (e,g., residential areas, bodies of water, known hab~at for threatened or endangered species, non- target crops). 

COMMERCIAL GREENHOUSES AND NURSERIES 

For general weed conlfol In commercial greenhousea (beneath benches), ffOld grown and container 

stock, lind other simHar ereas, HELM DIQUAT Aquatic may be - applied preplant or 

postplant preemergence in field grown omamental nursery plan~ngs or postemergence as a directed 

spray. HELM DIQUAT Aquatic may also be applied preemergence in omamental 

seed crops (except in the state of Califomia). Avoid contact with desirable foliage as injury may occur. 00 nol use on food or feed crops. 

Spot spray: t·2 qts. HELM DIQUAT Aquatic plus the labeled rate of a 75% or greater 

nonionic surfactant per 100 geb, of water, or 0.75 oz. (22 mis.) HELM DIQOAT AqulI~c plus the 

labeled rate of a 75% or greater nonlonic surfactant per t gal. of water. 

Broadcast: 1--2 pis. HELM OIQUAT AqUatic In a minimum of 15 gals, pf water per 

aero. Add the labeled rate of a T5% or greater nonionlc surfactant per 100 gals, of spray mixture. Use an adequate spray volume to InSure good coverage. 

ORNAMENTAL SEED CROPS (FLOWERS, BULBS, ETC.) EXCEPT IN THE STATE OF CAUFORNIA 

For preha!\lestdesio:::atlon ofomamental!leed crop$. NOT FOR FOOD OR FIBER CROPS. 

Broadcast (Air or Ground): 1.5-2 pts. HELM OIQUAT Aquatic plus the labeled rate 

of a 75% or greater nonlonlc surfactant per acre in siJfl'ident water (minimum of 5 gals, byalt; 15 gall, 

by ground) for desiccaUqn and"weed bumdown. Repeat as needed at no Jess than !kIay intervals up 

to three appllca~ons. 00 not use seed, screenings, orwasto as feed orforcollSumption. 

DIRECTIONS FOR LANDSCAPE, INDUSTRIAL, RECREATIONAL, COMMERCIAL, RESIDENTIAL, 

AND PUBUC AREAS 

HELM OIQUAT' Aquatic provides fast control of broadleaf and -grassy weeds In 

industrial, recreational, golf course, commercial, residential, and public areas. . . ;') ~ > ; 

HELM DIQUAT Aquatic is a nonselectiva herbici!le that rapidly kills undesirable' 

above ground weed growth in 2-4-36 hours. Avoid application of Sharda Dlquat Dlbrmoldl:/ J'~.'3%; 

SL to desirable plants. -

HELM DIQUAT Aquatic is e conta~desicc:al'lt herbicide; it is essential to obtain' .x.n .. plete coverage of the target woads to get good control. Improper applica~on tachnique andfor ;p,H .. ' 

cation to stressed weeds may result in unacceptable weed control. For bast results, apply to actIVely 

growing, young weeds. 

Difficult weeds (such as perennial or deeply-rooted weeds) can often be controlled by tank mixing 

HELM OIQUAT Aquatic with other systemic-type herbicides. Refer to other product 

lebels for SpecifIC application directions. 

For'residual weed control, tank mix HELM DIQUAT Aqua~c with a preemeraent 

herbicide labeled for the intended USB sileo When mixing HELM DIQUAT Aquatic 

with another herbicide, It is recommended to mix just a small amount fll'St to determine if the mix· 

tute is physically compat!ble before proceeding with larger ~oJumes. 

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HELM DIQUAT Aquatic 

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HELM OIaUAT Aquatic 

Draft label 7 August 2007 

Holm Agro US, Inc. has not tested all possible tank mlxlures with other herbicides for compatibnity, 

efficacy or other adverse effects. Before mixing with other herbicides Sharda recommends you first 

consult your state eXperimental station, state university or extension agent. 

Grounds maintenance -wood control: HELM DIa:UAT Aquatic con be used as 8 spot 

or broadcast spray to control weeds in public, commercial and nasiclenUal !al\dscapes, including landscape beds, lawns, golf courses and roadsides. HELM OrQUAT Aquatic can also be 

used for weed control around the edges and nonflooded portions of pond$, takes and ditches. 

Trim and Edge wood conb'tll: HELM CIQUAT Aquatic can be used to eliminate undesired grass and broadJeaf plant growth In a narrow band along driveways, walkways, patios, cart paths, 

fence lines. and around trees, ornamental gardens, buildings, other structures, and beneath noncommercial gr,onhousa benches. Vegetation control with HELM DIQUAT Aquatic is 

IImHod to ths spray application Width. Do not exce\ld the labeled rale of HELM DIQUAT Aquatic as 

excessive rates may result in sta'lning of concrete-based materials. 

HELM DIQUAT AqualX:, since it 'does not translocate systemically, can be used as an 

edging or pruning tool when precisely applled to select aroas of grass or to undesirable growth on 

desirable ornamental bedding plants, ground covers, etc. 

Industrial weed control: HELM DIQUAT Aquatic: can be used as a spot or broadcasi 

spray either alone or In combination with other herbicides as a fest bumdown or control weeds in 

rlghts-of-ways, ranroad bedsJyards, highways, roads, dividers and medians, parking lots, pipelines, 

pumping stations. public utility lines, transformer stations and substations, electric utllitles, storage 

yards, and other non-crop areas. 

Spot spray: Apply either t·2 qts. of HELM DIQUAT Aquatic plus the labeled rate of 

a 75% or groatcr nonionic surfactant per 100 gals, water, or 0.75 oz. (22 mis.) HELM DIQUAT Aquatic 

plus the labeled raJe of a 75% or grealer nonionlc surfaclant per 1 gal. of weter. 

Broadcast: f·2 pts. HELM DIQUAT Aqualic per acre in suffICient water to insure 

good spray couerage. Add the labeled rate of 75% or greater nonlonic surfactant per (00 gals, spray 

mixture. Greater wal9r volumes aro necessary if the target plants are tan anc!Jordense. It Is recom· 

mended that 60 gals, or groate~.wator volume be used to obtain good coverage of dense weedS. 

TURF. RENOVATION (ALL TURFAREAS EXCEPT COMMERCIAL SOD FA~S) 

To desiccate golf course tUrf and other tulf ereas prior to renouation, apply t·2 pta. of HELM 

DIQUAT Aquatic per· acre plus the labeled rate of. a 75% or greater nonionic surfac.-

tant In 20...100 gals, of watar (4 teaspoons of HELM DIQUAT Aquatlc plus. the 

labeled rate of "8 75% or greatar nonlonlc surfactant per 1 gal. of watsr) using ground spray equipment. Apply for fun coveragl! and thorough contact with the turfgrass. Apply only when the turf is 

dry, fre& fran dew and incidental moisture. For enhanced tulf desiccation, especially in the casa of 

thick turfgrass, water volumes should approach 100 gals, ofwaterper acre. 

For suppreilion of ~growth and quick desiccation of treated turlgress, Sharda Dlquat Oibromide 

37.3% may be mIXed. with other systemic nonselective or· l}'5temic postemergence grassy weed herbicides. Reforto other producllabels for specific appllcaflon directions and restriclionS. 

Auold spray contact with, or spray drift to, foliage of ornamental plants orfocx:! crops. 

Do not graze ~vestock on treated tulf orfelld treated thatch to livestock. 

DORMANT ESTABLISHED TURf GRASS (SERMUDAGRASS, ZOYSIAGRASS), NONFOOD OR 

FEED CROP 

For control of emerged annual broadleaf and grass weeds, including L.ittIe Barley"", Annual Bluegrass, 

Bromes Including Rescuegrass, Sixweeks fescue, Henbit, Bttttarcup, end CaroUna Geranium in established dormant bermudagrass lawns, pa/ks, golf courses, etc. '. 

Apply 1.2 pts.. HELM DlQUAT Aquatic per acre' In 20-tOO gals, of spray mix by ground as a broadcast appncation. Add the labeled rate of e 75% or'greater nonlonic surfactant per 

100 gals, of spray mixture. 

Bermudagrass must be dormant at application. Application to acllvely growing bermudagra$,S)V~y, 

caU$G dolay or permanent Injul)'. Users In the extreme Southern art)1I$ should be attentiv~ 10"J:iit:, 

extent of dormancy at the time of application. ' , 

-For controt of little Bariey, apply HELM OIQUAT Aquatic prior to the IhKl-?b'06I; 

.... AQUATIC USE DIRECTIONS " " , 

Now York • Not for SaleO/" Useln NawYol"i<Statew!thout;Supplamental Special L.QI;aI NoedIJ' , , , , 

labeling. 

Nacesu/y approval and/or permits must be obtained prior to application If raquired. Consult the 

rasponslble State Agel)cies (I.e., Fish and Game Agendas, State Water Conservation authorities, or 

Oepartmentof Natura! Re$ources). 

Treatment of danae wead arellS may result in oxygen' loss from decompOSition Of dead weeds. This loss 

of oxygen may cause fish sUffocation. Therefore, treat only '13 to 112 of the water body area at one 

time and wait 14 days between treatments. 

Forbes! results on 5ubmef5ed weeds, HELM DIQUAT Aquaticshould be applied to 

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26
HELM DIQUAT Aquatic 

Draft label 7 August 2007 

.HELM DIQUAT Aquatic 

actively growing (photosynthesizing) Wileds ...men water temperatures have reaChed or exceeded 

approximately 50'F, typically during the Spring or early Summer. 

For appijcatkln only to stili water (i.e. ponds, lakes, and drainage ditchM) where there is minimal or 

no outflow to public waters. ' 

and/or 

For applications to public watenJ In ponds, lakes, reservoirs, marshes, bayous, drainage dijchM; canals, 

streams, rivers, and other slow-movlng or quiescent bodies Of water for control of aquatic weeds. For -"" • Corps of Engineers; or 

• Federal or State Public Agencies (i.e., Water Management District porsonnel, municipal officials); 

• " Applicators and/or LicenseeG (Certified for aquatic post Control) that are authorized by the State 

or I.,.ocal govemment 

Traated water may be used according to the following table or until such Ume as an approvad assay 

(example: PAM 11 Spectromalic Method) shows that the water does not contain more than the desig· 

nated maximum contaminant !evel goal (MCLG) of 0.02 mgII. (ppm) ot dlquat dibrornlde (calculated 

as the cation). 

Water Use Restrictions Following Applications With HELM DlQUAT AquaUc IDay.} 

AppIiClltfon Rate' Drinking """'" - "2~. _T"" on' - Apptlcatlons- AppflcaUonsSwimmI .... An .... andl~Uonto and Irrigation to 

",",",pilon T ,,'" Food Crops and 

2 galsJsurface acre 

o':.:!=- """""""'" 

--

''''' 0 '''' '"'' 'do" 

t galJsurface acre 2'.,. 0 

, "" 2do" 

0.75 gal; IstJrface acre ''''' 2"" Q 'do, 2 days 

0.50 galJsurface acre 1d" 0 ''''' '''' 'do, 

SpotSpray" «0.5 ''''' 

, '" 0 '''' iday 

gaUsurface acre} ''''"' ~Add a nonlonlcsurfectant (with at least 75% of the conslnuents adlve as a spray adjuvant) at the 

rate recommended by the manufacturer. 

-For preparing agricultural sprays for food crops, turf or omamentals (to prevent phytotoxicity), do 

not use water treated with HELM DIQUAT Aquatic before the specif'ied time 

pellod. ' 

When the contents ofmoro than one spray tank is necessalY to complete a single aquatic application, 

no water-holding restrictions apply between the consecutive apray tanks. 

No applications are to be made In areas while commercial p-oc:esslng d fish, reaUting in the produotion of 1ish protein concentrate or 1ish meal, Is practIced. BefOre application, coordination .and 

approval of local and/or State authorities must be obtained. 

Floa1lng and M,arginal Weeds InclUding: 

Water lettuce, Pfstia slrB:tiotss 

Water hyacinth, Eichhomie crass/pes 

Duckweed, L.emna spp. 

Sa!vinia spp. (incl~ing S. moIosta) 

Pennywort (HycJrocotyfe spp.) 

Frog's Bltl

, Umnob/um spongia 

Cattails, Typha spp . 

" " , , , , 

, 

.iNOlfor use in Califomia " , . , ~ 

HELM DIQUAT Aquatic may be applied by backpack, a!IDOI!. spray handgun, neff· 

copter, airplane, or similar application equipment that results in thorough spray coverage. ,,) ,> \ 

Spot Treatment: Apply HELM DIQUAT Aquatic at 2 quarts per '100 gallons' '!'play 

camer (0.5% solution) with an approved aquatic wetting egont al 0.25·\.0% vlv H quart to t genon 

per tOO gallons water). For cattail control, HELM OIQUAT AquaUc should be applied 

prior to nowerlng at the maximum application rate (8 quarts of HELM DIQUAT Aquaticl100 gallons 

spray carrier) plus the wetting agent Repeal treatments may be necessary for 

complete control. 

Spray to completely wet target Wileds but not to runoff. Densely packed weeds or mats may require 

additional appllcallons due to Incomplete spray coverage. Re-treat as needed. For be$t results, re-tmat 

weed escapes, within 2 weeks of the Initjaltreatmenl. 

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27
l 

, ) 

HELM OIQUAT Aquatic 

Draft laber 7 August 2007 

HELM DIQUAT Aquatic 

Broadcast Treatment; Apply HELM OlaUAT Aquatic altha rate of 0.5-2.0 gallons 

per surface acre in Sufficient earrier along with 16-32 ozJA of an approved wetting agent. R.lreal as 

necessary for densely populated weed areas, Good coverage Is necessary for oonlrol of the target """,. 

For duckweed control, apply HELM DIQUAT Aquallc al1·2 gallons/A. 

Submersed. Woeds rncludl ng: 

BladdelWOrt, Utriculatia $PP. 

Hydrilla, Hydr/Jla vorlfcilJala 

Watermilfoils Qncluding Eurasian), Myriophyllum spp, 

Po~ds\ Potamogeton spp. 

Coontail, Cemtophy/lum dsmarsum 

Elodea, Elod6a app. 

Brazilian ElOdea, Egeria drmsa 

Naiad Najas spp. 

Algae~, Spirogyra spp. al'd Pithophom spp. 

1 HELM DIQUAT Aquatic controls Pol8rnogetan species except Richaroson's 

pcndweed, P. richaltisonif. 

~Suppression only. For control 01 Spirogyrn and/or PitllophofTJ, use HELM DIQUA T Aquatic 

In II lank mix with an approvod algaecide. 

Forsevere weed or algae infestations, the use of a'1 approved algaecide e~her as a pretreatment to 

the HELM DIQUAT Aquatic applicaijon or in a tank mix, may result in enhanced 

weed control. 

To conlrol submorsod woeds, apply HELM DIQUAT Aquatic in water at 0.5-2.0 

gallons per surface acre (per 4 foot waler depth). For severe weed illfe!;tations, use the 2.0 gallon per 

swface acre rate. For boit resuHs, m-treat as necessary on t4-2t day Intervals. The table below shows 

how many gallons of HELM DIQUAT Aquatic to apply per surface acre based on water depth. . 

Gallons of HELM DIQUAT Aquatic per Surface Aero 

Average Watar Depth ,- " ... 3 Fool .... , 

t gallonlaCfO rate 0.25 gal. 0.50 gal. 0.751141. 1.0gol. 

2 gallonfacre rale O.sagal. 1.0 gal. I.Sgals. 2.0 gels. 

Note: Forwalerdepths of 2 feet or!eu including shorennes, do not exceed t gallon per surface acre. 

Subsurface Applications: Where the submersed wood growth, especially Hydrilla, has reached the 

weter surface, apply either in a water carrier or an invert emu~ion through boom trailing hoses 

carrying ncule lips to apply the dilute spray below the water surface to insure adequate coverage . 

. Bottom Placement: Where submersed weeds such as Hydrllla, Bladder.vort, or Coontall have reached 

the water surface andforwhere the water Is slowly moving through the weed growth, 1he use of on invert emulsion carrier injecting diluted HELM orQUAT Aquatic near the bottom 

with weighted hoses may Improve control. The addition of a copper based algaecide may improve 

control. If algae are presen1 along with the submersed weeds, a pretreatment w~h a copper based 

algaecide may Improve overall control. 

Surface Appllcatron for Submerged Aquatic weeds: Apply the recommended rate·of HELM orQUAT 

Aquatic as a spray In sufficient carrier to fully cover the tarset area. Applications 

shOlJId be made to ensure complete coverage of the weed areas. In mixed weed populations, uselhe 

high rate pf eppUcalion as Indicated by weeds present. For dense submersed weeds or water over 2 

feet deep, a surface spray ls not .recommended (HELM orQUAT Aquatic should be 

applied subsurface In those situations.) , , , , J , 

) "J 

If pOltlng Is required by your stale or tribe. conaullille agency rtlponslbl. for pOillclee reg11t1lons" 

forspllclflc details. , " ; , 

" 

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28
HElMDIQUAT 

AQUATIC 

lJIndscape and 

Aquatic Herbicide 

TO PREVEII1' ACCIOEII1'AL I'QIIOMNO, 

NEVU ~UlIHTO FOOD, DRI~I(, OR 

OTHU CO>ITAlN~~, AHD USE SlllICTl. Y 

IN ACCOROANCI WITH 1'lTlftE l.U~1.. 

00 HOT USE TIlIf PRODUcT FOR II£FDR· 

MULATION. 

"OI.i>n'''Il' ..... ,: 0101." ~I!>r<"d<lt [t.T"lh"'rGdi~r<f~o 

(l.~ .. Z •• ·<)I'YI .. In._ olbr<Jmlclo)_." .. n.1'" 

0IMr !ngrWl,l1Io: o;z.7Yo 

TotO/: 10Il0'l0. 

C.nIoIoy ~ ..... "!qu. ""Von ~k ~ ... (3.13 ,", 

~Iq"",al>r<lml<l. P'" pl.) 

... .woj;U." .. ,... .. uII .... 'l' Nlo .. ''''' on " .... 

AGRICULTURAL Ull 

IIl/QUIREMENU 

U .. 1M. _"<I only I •• tea ...... ""lh ~. 

,.boung .nO Wllh Iho Wort .. POOl,e60. 

SO.od.rd, 40 C~R I'O~ 170.11"11< 10 '''Wi'' mo"'" I.UII"Il U"." ''''gu,,'''''''' U .. It.~til .. "",.l>· I" ,"0 OlrO<l'", 1M u •• 

•• oIl.,. 10, 1.'0 .. 011." .1>0", 1Il10 "'0<1" •. 

_gallons 

Net Contents 

Manufactured for: 

Helni Agro US, Inc. 

P.O. Box t;.«I 

Hockessin, Delaware 

KEEP OUT OF REACH 

OF CHILDREN. 

WARNINGI 

AVISO $1_ .. _. II ~. I:u<qu •• Ill;II1on 

""~""'''''''''._ .. _.IIt~do noIuna_",. .. &oI ................... upi/IiII. "'1""."' ....... ) 

~""_ """ .. ... ~Tw""_04_ Iflg. AI ... _Imm_~_ ~ 01_. lor 'S<:IO mINd ... ColI • poIooo ....... _ ..... _ lor ........ " _. 

II I. O)"U: HoI~ 0)"' _ .~ lINt _r .IIO! gOtr/)''IoiIhM!O/Io.II-2G __ ...... __ 

_ _ _""'0",. Icr Cd. __ __ ....... 01 . 

w,_eon.poIooo_ .. ", ... _ WI'no<IIleIy fot __ • _ .......... . 

gloB or _ •• 14 10 _"'" Do <lilt ~"'" 

"""""'c_rNdlO&oso !>t1ll.poIi<It1_ 

_,,"_.110 ... g/<e~IIr'-hlo ""-- t ___ IOJIIOII .... r_~noI 

lwoooIHrq.ooIlOiI ..... ,.m-...._glioMj. 

IIc:IaI , .. ~. I'QllIIU, m""~ II poatI>io. _ .. __ Cd • poiIo. . __ or _ lor 

NOn; TO PIfI'IICWi$: TIl bo _._ 

"" dIquoI ~ ~ bogIn __ my. 

T"""""",..-OI_flIdIqootln",,gulMlil 

__ 

.... ponoior.ool"'""'""'_ .. _ ...... or_I._~ 

...,.-.....01 oro;q ... ,..,., Iho _1Ir_" ""~ ... _...... homodlolyob. 

Hooo ... ~ .. OU ......... boI .... y .. _ 

~ • p<ioon __ <rIlo<l ..... ;oIIv lot _ For U-N:tio" _ 

........... (!Ill'""' ... ......., 0/ CI!otnIos< 

:"I"':o.=~~~ CoItor • (loM) 'U51II. F ... T .. ~oo 

""""I_~coIIcn ... T .... (llI)a)~, 

Precautionary Statements 

liuanl.IOI1, .. ,n, ord Domo$lloMCmoIS 

W"'IUlIN"""'VI&O 

...,bof .... "._lhi'D<lg/I#IO.l1M'rIlI.Or _"'~IocI.ea..-_'"'""I>II. _ _ , If' i/Ij>Jty, Cauooo ..... _ ... _ 

"""1rIflatocI"..,,"'.=-t. ..... IOt __ .... 

_ 0I<III I0Io)' _k In poi5onIlIg. Do r.ot gill In 

......... or_mill. IIIIn,"' DonolIoodJoroot .. '"""*"'.-InIIfIInII_ __ _ .._Koei>_.0<1 ........ or_ """,IIId __ L 

f.oolro.","'I'IIU",~, n .. potIIoOIt 10 1uIo .. ...,.. _._. f ... 

Y._I Usos, do /lOt IIII"Y -" .. -.. ... ....... -. __ "" .. 10_ ..... _ 

___ ...... _IIIo ..... n~li:rIr_m~Do ~ ... .. oq .... nI 

woaII_. ~ .. """"'"' u... ....... IIpOIy$lO<lly 

1t> ... 1I.~ .. _IHI ... INo_ 

) 

HELM CIQUAT'Aquatic 

Draft label 7 August 2007. 

STORAGE AND DISPOSAL 

DoOOC-'-lOwoIr.loOd.or_IIr"_ .-P •• llcih $I.,Oli' 

Koop ~ .. OI!;NI_. Do noI put_ 

_OIO ... _W.IooiI ... d/lntCConla ....... Do ... _I .. cI.-..... ... _~"II_. 

Do""_ .. I'I_ ....... "'ooI ... -.$I .... 

1~_U"F.F ... IIoIP'!'illl"'loplll. Ioo~ lh .... _ .. I~ """ ..... ot\fI. tAl 

CIliMfREe O! (100) jZ4-1l:!OC. 

P •• llcl~. OI'pOOlI 0ptWI Mlpln;ilO ~ ___ ... 

I«*. ""'"""" ~ 01 __ PtOIId<Io. _ 

"-.......... _Io.-.or_Iavo.W _ CIMIlII>O Ofllr __ ~IO_I,-,_l""'" __ "'~ConMf .000..,. • ..-11>0_ .... _ .......-.""'_I!P ... R~ -.- e .... I."' Ol'poul Do ... __ "",.l"ItIo_CO'~. 

TIoon_""~ ... _ ...... _ 1InM\461pooo 

~orf_I>t_. 

01 .. 'N~_,"'IrI<i_ ___ 1ooo.1Ot 

1>.i"*ICI,W_, .. O)" ... or_ .. 

F.r hit"'" Nln.loIk e.OI.I .... 

_m._ori.o~.ropIoIoolllo"PInI 

_.n~ 1!wrI;!Iow _ oponocI dum; ..... 

..-.j ...... ti!o_lOlho_or~ ... ...1IeoI;rIItH lOI>oIIoo _ .. ".1 ... or_ 

_orlNo_noo ............ """bo_ "" lID __ ~ 00 NOT RBl$~ TIC 

CONr_ RlRJ.H(Oll-ER I'INOPOII!. I'I1<w 10 ......~~Io< ...... _._ . _,ct.o<:t<for 

~.-.--.""­ ..... _~ __ 

,1lR1poAtII;, Do "" __ w W. 00/lIaIn0. 10 

~ ... IeIUn:I.I"'"_ .. "'" poOj;oi~ ..... IO.~_ .... 1rIpIO _ ..."..., _ ...... """ _ for-""'. 

0It!I0001e{1Il1o _m""I10,"~_ 

"" 1\01. ... _ '"11.10li0,,.. 

:...'"': ::. ::':';' .. r::".:' ~"':. T .-...1004_40110;"'""""" ... IIIOdoI ...... _~oI~ __ .0<1 

iIIOpOOaIor_ ... ocwr_ III I«)!" &O.I'I!i I'D!\ 1'000. ~ OR 

1:IMIQ""Wl.TVII 

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Page100fl0 

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29
I form (Form IJ'H#t'" typ«jJ Form ApproYM. OM. ",.J. 2070.Q044. ApPfOVllIx9Ir .. 1.:n." 

Unltod Stet .. Environm.ntlll Protection AQenov I (~ t-I) r ~ ! 

Offioe of P .. tlofd. Progrwn. (H7606'C) 

401 M SttHt SW &EPA W •• hington, DC 20440 

Notice of Supplemental Distribution of a Registered .Pestlclde Product 

Ins/tuctiof18 

A:fter a regl~trant has obtained final registration for the basic product, tIlilt registrant may then supplementally 

distribute hlslher product. One form must be submitted for each distributor product and must be signed by the 

distributor Involved. The basic registration number and the distributor company number mUlt be shown. 

If a ~.giltr.nt has a potential distributor who- doe, not have a company number ... Ignad, aheJhe should have the dl~tributor apply, on letterhead stationary. to the Registration Division to have" number aSSigned prior to'submittlng 

thiS form to the agency. 

This Notice of Supplemental Distribution muat be submitted by the bastc registrant. The completad form must have 

the concurrence and signature of both the registrant and the distributor. 

EPA Regiltr.tion Numb., of Produot 

74530·25 

Dt.tributor ComPUlV Number 

72838 

Note: 00 not submit distributor product labels 

NCIITl. of Regllt.red Produot (buk: PNlducr n."..IK:aPWd by EPA) Dletributor Produot Neme 

Helm Diquat Aquatic and Landscape :rsunami DO Dlqual 

Narne and Addr ... of Diltributor (Type; incltKh ZIP (JQ({fJ( 

Sanco industries, Inc. 

P.O. Box 11617 

Fort Wayne, IN 46859 . 

Road AN C<mdItIon. __ Slgnlnll 

1. The distributor product must have the same composhlon aa the basic product. 

2. The distributor product muat be manufactured and packaged by the same person who manufacture. ~nd ~tckaoel 

the registered basic product. • 

3. The labeling for the distributor product must bear the same claims II .the baalc product, provided, hOW$',er>, that 

specific claims may be deleted if by doing so, no other chang .. to the label are necess8rv~ ~ , 

4. The product must remain in the manufacturer's unbroken container. > , , ~ ~ ~ 

5. The label must bear the EPA registration number of the basic product. followed by a hypeR a;)d tha dlstributor's 

company number. , > ,~: 

6. Disttlbutor product labels muat bear the name and addr ... of the distributor qualified by luch t~rms as "'Packed 

for .... "dlatributed by ... -; or sold by ... " to show that the name Is not that of the manufacturer.~ > • ~. 

7. All conditions of the basic registration apply aqually to distributor product •• It Is the responsibility of th',,.NttJc 

registrant to see that all distributor labeling Is kePt in complianc. with requirements placed on the basic ?r~taCt. 

Dlatrlbutor 

w. intMd I'D nwk.t our product und., tM Distributor Producr tv.m. 6pfICififld 1boW', Mlbjflct to the conditio"..p«ifiMJ on W. Nob. 

~'IL~:d:"~r;t+~-l<- ZI';-IOQ 

Reglatrant 

I.H th.t the d~tributor namtld .boW' m.y distribute end aell the DistributDr Product .flcif/flli .bow, aub~ct tD ",. conditione.-cllifld on 

Marshall Wixson, Ph.D. 

Manager product Development "-' .............. '" !.JS. 'nco 

th;. Notic •• 

EPA Form 8670·S'tf\ev. 2-92) Prevloue editione .... obloilte. 

30
, 

) 

MATERIAL TO BE ADDED TO JACKET 

REG # 

Description: 

check all that apply 

0 new stamped accepted label (I) 

.~ 

::1 

Q. 

0 new CSF .,.. 

0 

(') 

12P notification (I) 

C") 

Instructions: 

Attach this sheet to the top of ALL material sent to the file room (both loose paper and 

new material in jackets). This sheet will be imaged; a clear description will aid in 

finding material in the e-jacket. Remove staples from all material. If returning loose 

paper then hold together with a binder or paper clip. CSFs should be placed in the 

CSF folder (if returning jacket) or covered with a red CBI sheet (if returning loose 

paper). Material to be returned to file room should be place in the appropriate bin. 

Reviewer'S 

Name: 

Phone: 

//7 'I' -p .JdjJt)'2 - ;---./Ci .&C:$g;2. 

3fJ g ~] 'i Z<-uL-! ___ _ 

Date: 

Division: 

31
UNITED STATES ENVIRO~;-dENTA!. PROTECTION AGENCY 

WASHI'\iGTON. D.C. 20..\60 

Ms. Cheryl Wagner 

Product Registration 

Wagner Regulatory Associates, Inc. 

For Agro US Inc. 

7460 Lancaster Pike, Suite 9 

Hockessin, DE 19707 

SUBJECT: Application for Pesticide Notification (PRN 98-10) 

Request Directions for Use (REI & Use Rate) 

EPA Reg. 74530-25 

Application Dated September 3, 2009 

Dear Registrant: 

OFFICE OF 

l'REVEh'liON. PESTICJDES AND 

TOXIC SUBSTA"C£S 

The Agency is in receipt of your Application for Pesticide Notification under Pesticide 

Registration Notice (PRN) 98-10 dated 09/03/09 for the above product. The Registration 

Division (RD) has conducted a review of this request for its applicability under PRN 98-10 and 

finds that the action(s) requested fall within the scope of PRN 98-10. The label submitted with 

the application has been stamped "Notification" and will be placed in our records. 

If you have any questions, please call me directly at 703-305-6249 or Owen F. Beeder of 

my staff at 703-308-8899. 

Sincerely, 

~ 

Linda Arrington 

Notifications & Minor Fonnulations Team Leader 

Registration Division (7505P) 

Office of Pesticide Programs 

32
Please read instructions on reverse before completing form, Form Approved. OMS No. 2070-0060. Approval expires 05-31-93 

r ""\~stration OPP Identifier Number 

oEPA United States 

Environmental Protection Agency Amendment 

Washington, DC 20460 X Other 

Application for Pesticide - Section I 

1. CompanylProduct Number 2. EPA Product Manager 3. Proposed Classification 

74530~25 Joanne Miller 

4. Company/Product (Name) PM# [i1J None Restricted 

Diquat Landscape and Aquatic Herbicide 23 

5. Name and Address of Applicant (Include Zip Code) 6. Expedited Review. In accordance with FIFRA Section 3{c){3) 

Helm Agro US, Inc. 

(b){I), my product is similar or identical in composilion and labeling 

to: 

c/o Wagner Regulatory Associates, Inc. 

P.O. Box 640 

EPA Reg. No. 

Hockessin, DE 19707 Product Name: 

o Check if this is a new address 

Section - II 

0 Amendment - Exp!ain below. 0 Final printed !abels in response 10 NOTIFICATION Agency letter dated 

0 Resubmission in response to Agency letter dated "Me Too" Applicalion. SEP 2 52009 X Notification - Explain below. Altemate Brand Name X Other - Explain below. 

Explanation: Use additional page{s) if necessary. (For Section I and Section II.) 

This notification is consistent with the provisions of PR Notice 9~10 and EPA regulations at 40 CFR 

152.46, and no other changes have been made to the labeling or the confidential statement of formula f 

this product. I understand that it is a violation of 18 U.S::. Sec. 1001 to willfully make any false 

statement to EPA. I further understand that if this notification is not consistent with the terms of 

PAR Notice 98-10 and 40 CFR 152.46, this product many be in violation of FIFRA and I may be subject to 

enforcement action and penalties under sections 12 and 14 of FIFRA. 

Section -iii 

1. Material This Product Will Be Packaged In: 

Chilf~r~:;."aCkag;"g U~ckaging W~ Soluble Packaging 2. T e of Container 

Ves Ves Metal 

X No X No X No X Plastic 

It "Yes" No. per If "Yes" No. per Glass 

'" Certification must Unit Packaging wgt. container Package wgt Containe Paper 

be submitted I ' Other (Specify) HOPE lined bags 

3. Location of Net Conlents Information 4. Size(s) Retail Container 5. Location of Label Directions 

[ZJ Label D Container 1 quart, 1 gallon ~ On Label 

On Labeling aCCOl1)l1ijl1ying product 

• • .... 6. Manner in Which Label is Affixed to Product § Lithograph 0 Other _adhesive backep I~:aal. 

X Paper glued ' > , > 

Stenciled ' , , " , , , . • 

. • > • > 

Section IV • • - , , " " , , , > 

1. Conlact Point Com lete items directl below for identification of individual to be contacted, if necessa ;'lb roce.s§ t/1j§ 11 lication. 

Name I Title I Teleplid~~ N.~. (Inclucfe Area Code) 

CHERYL WAGNER AGENT FOR HELM AGRO US INC. I (302) ~:J4 8551 • 

Certification 6. Date Applicafi0n 

I certify that the sta!ements I have made on this 101m and al! attachments thereto are true, accurate and complete. Received' ., , 

I acknowledge that any knowingly false 01 misleading statement may be punishable by fine or imprisonment or , · " • both under applicable law. · (Stamped) 

2·

t

Signature 3. Tille 

.", -"- W AGENT FOR HELM AGRO US, INC. 

4. Typed Name 5. Date 

CHERYL WAGNER September 3, 2009 

33
September 3, 2009 

Document Processing Desk (NOTIF) 

ATTN: Ms. Joanne Miller, PM 23 

Registration Division (7504P) 

U.S. Environmental Protection Agency 

Room S~4900, One Potomac Yard 

2777 South Crystal Drive 

Arlington, Virginia 22202~450I 

Dear Ms. Miller; 

Wagner Regulatory Associates, Inc. 

P.O. Box 640 

7460 LancaSler Pike, Suite 9 

Hockessin, Delaware 19707 

Re: Helm Diquat Landscape and Aquatic Herbicide, EPA Reg. No. 74530~25 

Notification of Change in REI and Use Rate Conversion for Quart Container 

Wagner Regulatory Associates, Inc., as agent for Helm Agro US Inc., submits the enclosed notification 

changing the REI to 12 hours. In your letter dated July 23,2009 (copy attached for your convenience) you 

state that this change can be processed through notification. Also, we have modified the use rates to 

accommodate a I quart container. This quart conversion meets the criteria set in PR Notice 98~1 0 Section 

II.E Items 1~8. 

In support of this notification, the following documents are enclosed: 

• Letter from Helm Agro US, Inc. appointing Wagner Regulatory Associates, Inc. as its agent 

• Application for Pesticide Registration (8570~1) 

• A copy of your letter dated July 23, 2009 requesting the change in the REI 

• One copy of the revised quart label 

If you have any questions about this submission please contact the undersigned. 

Respectfully submitted, 

~~ 0)"'-O~ 

Cheryl Wagner 

Agent for Helm Agro US, Inc. 

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34
!- } DIQUAT Aquatic 

Draft laul:ll' 3September2009 

Quart size conversion 

NOTIFICATION 

SEP 2 52flO9 

HELM DIQUAT 

Aquatic and Landscape Herbicide 

TO PREVENT ACCIDENTAL POISONING, NEVER PUT INTO FOOD, DRINK, OR OTHER 

CONTAINERS, AND USE STRICTLY IN ACCORDANCE WITH ENTIRE LABEL. 

Active Ingredient: 

Diquat dlbromide {6,7-dihydrodipyrido (1 ,2-a:2', roc) 

pyrazinediium dib/omide] 

Olher Ingredients: 

Totat· 

37.3% 

62.7% 

100.0% 

Contains 2 tbs. diquat calion per gat (3. 731bs. diquat dibromide per gal.) 

KEEP OUTOF REACH OF CHILDREN. 

CAUTIONIPRECAUCION 

Si usted no entiende la eliqueta, busque a alguien para que se la explique a usled en delalte. (If 

you do not undersland the tabel, find someone to explain illo you in delail.) 

See eddillonal precsulionary slalements on label. 

EPA Reg. No. 74530-25 

EPA Est No.37429-GA-01 

1quart 

Net Contents: 1 quart 

(946.3ml) 

Manufactured for; 

HelrnAgro US 

8295 Tournament Dr. 

Suite #310 

Memphis, TN 38125 

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35
HE ~IQUAT Aquatic 

Draft lab!:;, JSeptember2009 

Quart size conversion 

HELM DIQUAT Aquatic 

FIRST AID 

Ifonskin or • Take off contaminated clothing. clothing • Rinse skin immediately with plenty of water for 15-20 minutes. 

• Call a poison control center or doctor for treatment advice. 

If in eyes • Hold eye open and rinse slowly and gently with water for 15-20 minutes. 

• Remove contact lenses, if present, after the first 5 minutes, then continue 

rinsing eye. 

• Call a poison control center or doctor for treatment advice. 

If swallowed • Call a poison control center or doctor immediately for treatment advice. 

• Have person sip a glass of water if able to swallow. 

• Do not induce vomiting unless told to do so by the poison control center or 

doctor. 

• Do not give anything by mouth to an unconscious person. 

IfinhaJed • Move person to fresh air. 

• If person is not breathing, call 9 t 1 or an ambulance, then give artificial 

respiration, preferably mouth-to-mouth, if possible. 

• Call a poison control center or doctor for further treatment advice. 

NOTE TO PHYSICIANS 

To be effective, treatment for diquat poisoning must begin IMMEDIATELY. Treabnent consists of 

binding cflquat in the gut with suspensions of activated charcoal or bentonite clay, administration 

of cathartics to enhance elimination, and removal of diquat from the blood by charcoal hemoperfusion or continuous hemodialysis. 

Have the product container or label wijh you when calling a poison control center or doctor, or 

going for treatment. 

For 24-Hour Medical Emergency Assistance {Human 

or AnimaQ or Chemical Emergency Assistance (Spill, Leak, 

Fire, or Accident), Call (303) 623-57t6 (Rocky Mountain 

Poison Control Center) 

For Transportation Emergencies: Call ChemTrec at (800) 

424-9300. 

PRECAUTIONARY STATEMENTS 

Hazards to HUmans and Domestic Animals 

CAUTIONfPRECAUCION 

May be fatal if absorbed through the skin. Harmful if inhaled. Harmful If swallowed. Causes 

moderate eye irritation. Avoid breathingspray mist. Avoid contact with eyes or clothing. Do not feed 

forage from treated crops to livestock. Keep livestock and pets out of treated fields and crop areas. 

Personal Protective Equipment (PPE) 

Some materials that are chemical-resistant to this product are: barrier laminate, butyl rubber> t4 mils, 

nitrile rubber >14 mils. If you want more options, follow the instructions for Category A on an EPA 

Chemical Resistance Category Selection Chart. 

Mixers, Loaders, Applicators and other handlers must wear: 

Coveralls over long-sleeved shirt and long pants 

Chemical-resistant gloves 

Chemical-resistant footwear plus socks 

Protective eyewear 

Chemical-resistant headgear for overhead exposure 

Chemical-resistant apron when cleaning equipment, mixing, or loading 

Face shield when mixing or loading 

A dusVmist filtering respirator (MSHAINIOSH approval number prefix TC-2 tC) '" ) , 0 , 

Exception: After this product has been diluted to 0.50% HELM OIQUAT Aquatic 37.3%~or I~sf, in 

water (I.e., the labeled rate for some spot applications), applicators for AQUATIC jSURf.:\CE 

APPLICATIONS must, at a minimum, wear (Note - Mixers and Loaders for this appllcation method 

must still wear the personal protective equipment (PPE) as described in the above section): ' , 

Long-sleeved shirt and long pants 

Shoes plus socks 

Waterproof gloves 

Protective eyewear 

Page 2 of 10 

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36
HELM DlQUAT Aquatic 

H£ PIQUAT Aquatic 

Draft lalJ",. 3September2009 

Quart size conversion 

Exception: At a minimum, applicators for AQUATIC SUBSURFACE APPLICATIONS must wear (NoteMixers and Loaders for this application method must still wear the personal protective equipment 

(PPE) as described '11'1 the above sedlon): 

• Short-sleeved shirt and short pants 

• Waterproof gloves 

• Chemical-resistant footwear plus socks 

Discard clothing and other absorbent materials that have been drenched or heavily contaminated 

with this product's concentrate. Do not reuse them. Follow manufacturer's instructions for cleaning! 

ma'intaining PPE, If no such instructions for wash abIes exist, use detergent and hot water. Keep and 

wash PPE separately from other laundry. 

Engineering Control Statements 

Mixers and loaders supporting aerial applications are required to use closed systems that provide 

dermal protection. The closed system must be used in a manner that meets the requirements listed in 

the Worker Protection Standard (WPS) for agricu!tural pesticides [40 CFR t70.240(d)(4)]. When using 

the closed system, mixers and loaders' PPE requirements may be reduced or modified as specified in 

!heWPS. 

Engineering Controls 

When handlers use closed systems, enclosed cabs, or aircraft in a manner that meels the requirements 

listed in the Worker Protection Standard (WPS) for agricultural pesticides [40 CFR 170.240(d)(4-6)[, th 

handler PPE requirements may be reduced or modified as specified in the WPS. 

User Safety Recommendations 

Users should; 

• Wash hands before eating, drinking, chewing gum, using tobacco, or using the toilet. 

Remove clothingiPPE immediately if pestiCide gets inside. Then wash thoroughly and put on 

clean clothing. Prolonged contact of the product with the skin may produce burns . 

• Remove PPE immediately after hand!ing this product. Wash the outside of gloves before 

removing. As soon as possible, wash thoroughly and Change into clean clothing. 

Environmental Hazards 

This pesticide is toxic to aquatic invertebrates, For Terrestrial Uses, 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 rinseate. For Aquatic Uses do 

not apply direclly to water except as specified on this label. 

CONDITIONS OF SALE AND LIMITATION OF WARRANTY AND LIABILITY 

NOTICE: Read the entire Directions for Use and Conditions of Sale and Limitation of Warranty and 

Liability before buying or using this product. If the terms are not acceptable, return the product at 

once, unopened, and the purchase price will be refunded. 

The Directions for Use of this product must be followed carefully. It is impossible to eliminate all risks 

inherently associated with the use of this product. Crop injury, ineffectiVeness or other unintended 

consequences may result because of such factors as manner of use or application, weather or crop conditions, presence of other materials or other inJluencing factors in the use of the product, which are 

beyond the control of HELM AGRO US, INC. or Seller. All such risks Shall be assumed by 

Buyer and User, and Buyer and User agree to hold HELM AGRO US, INC. and Seller harmless for any 

claims relating to such factors. 

HELM AGRO US, INC. warrants that this product conforms to the chemical description on the label 

and is reasonably fit for the purposes stated in the Directions for Use, subject to the inherent risks 

referred to above, when used in accordance with directions under normal use conditions. This warranty 

does not extend to the use of the product contrary to label instructions, or under abnormal condltJons 

or under conditions not reasonably foreseeable to or beyond the control of Seller or HELMI't':;R,C) YS, 

INC., and Buyer and User assume the risk of any such use. TO THE EXTENT CONSIS7ENTi \r\ilTH 

APPLICABLE LAW, HELM AGRO US, INC. MAKES NO WARRANTIES OF MERCHANTABllJTY OR' OF 

FrTNESS FOR A PARTICULAR PURPOSE NORANY OTHER EXPRESS OR IIVPUED WARRANTY tx.;:a.r,: AS 

STA"TEDABO\IE. 

To the extent consistent with applicable law, in no event shal! HELM AGRO US, INC. or Sel:5; ~o ~able 

for any incidental, consequential or special damages resuKing from the use or handling of IjJj.s :Prry:;lUct. 

THE EXCLUSIVE REMEDY OF THE USER OR BUYER, AND THE EXCLUSIVE LIABILITY OF HELM 

AGRO US, INC.AND SELLER FOR ANY AND ALL CLAIMS, LOSSES, INJURIES OR DAMAGES (INCLUDING 

CLAIMS BASED ON BREACH OF WARRANTY, CONTRACT, NEGLIGENCE, TORT, STRICT LIABILITY OR 

OTHERWISE) RESULTING FROM THE USE OR HANDLING OF THIS PRODUCT, SHALL BE THE RETURN OF 

THE PURCHASE PRICE OF THE PRODUCT OR, AT THE ELECTION OF HELM AGRO US, INC. OR SELLER, 

THE REPLACEMENT OF THE PRODUCT. 

HELM AGRO US, INC. and Seller offer this product, and Buyer and User accept it, subject to the 

foregoing conditions of Sale and Limitations of Warranty and Liability, Which may not be modified 

except by written agreement signed by a duly authorized representative of HELM AGRO US, INC .. 

Page 3 of to 

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37
HE ))IQUAT Aquatic 

Draft lab." 3September2009 

Quart size conversion 

DIRECTIONS FOR USE 

It is a violation of federal law to use this product in a manner inconsistent with its labeling. 

READ ENTIRE LABEL USE STRICTLY IN ACCORDANCE WITH PRECAUTIONARY STATEMENTS AND 

DIRECTIONS, AND WITH APPLICABLE STATE AND FEDERAL REGULATIONS. 

00 not apply this product through any type of irrigation system. 

Do not apply this product in a way that will contact workers or other persons, elther directly or 

through drift. Only protecled handlers may be in the area during application. For any requirements 

specific to your State or Tribe, consult the agency responsible for pesticide regulation. 

AGRICULTURAL USE REQUIREMENTS 

Use this product only in accordance wIth as labeling and with the Worker Protection Standard, 

40 CFR part t70. 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 excepl'lons 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 restrlcted-entfy interval (REI) of 

24 hours. 

PPE required for early entry to treated areas that is permitted under the Worker Protection 

Standard and that involves contact with anything that has been treated, such as plants, soil, or 

water is: 

Coveralls over long-sleeved shirt and long pants 

Chemical-resistant gloves made of any waterproof material 

Chemical-resistant footwear plus socks 

Protective eyewear 

Chemical-resistart hea:igearfor overhead exposure 

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 for agricultural pesticides (40 CFR part 170). The WPS applies when this 

product is used to produce agricultural plants on farms, forests. nurseries, or greenhouses. 

Keep all unprotected persons out of operating areas or vicinity where there may be drift. 

For terrestrial uses, do not enter or allow others to enter until sprays have dried. 

For aquatic uses, do not enter treated areas while treatments are in progress. 

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38
Do not contaminate water, food, or feed by storage or disposal. 

Pesticide Storage 

HE DIQUAT Aquatic 

Draft lab." 3September200g 

Quart size conversion 

Keep pest'lcide 'In original container. Do not put concentrate or dilute into food or drink conlainers. 

Do not contaminale feed, foodstuffs, or drinking water. Do not store or transport near feed or food. 

Store at temperatures above 32'F. For help with any splll, leak, fire, or exposure involving this material, call CHEMTREC at (800) 424-9300. 

Pesticide Disposal 

Open dumping is prohibited. Pesticide wastes are toxic. Improper disposal of excess pesticide, spray 

mlxture, or rinsate is a violation of federal law. If these wastes cannot be dIsposed of by use according to label instruclions, contact your State PesUckle or Environmental Control Agency, or the Hazardous Waste representaUve at the nearest EPA Regional Office for guidance. 

Container Disposal Statement 

Nonrefillable Containers: Do not reuse or refill this container. Offer for recycling, if available. Clean 

container promptly after emptying. Triple rinse as follows: Empty the remaining contents into 

application equipment or a mix tank and drain for fO seconds after the flow begins to drip. FiJI the 

container y., full with water and recap. Shake for 10 seconds. Pour rinsate into application equipment 

or a mix tank or store rinsate for later use or disposal. Drain for 10 seconds after the flow begins to 

drip. Repeat this procedure two more times. 

CONTAINER IS NOT SAFE FOR FOOD, FEED, OR DRINKING WATERI 

SPECIFIC USE DIRECTIONS 

HELM DIQUAT AquaUc is a nonvolatile herbicidal chemical for use as a general 

herbicide to control weeds in commercial greenhouses and nurseries; ornamental seed crops 

(flowers, bulbs, etc. - except in the state of California); landscape, industrial, recreational, commercial, 

residential, and public areas; turf renovation (all turf areas except commercial sod farms); donnant 

established turfgrass (bermudagrass, zoysiagrass - nonfood or feed crop); and aquatic areas. 

Absorption and herbicidal action is usually quite rapid with effects visible in a few days. HELM 

DIQUAT AquaJic controls weeds by interfering with photosynthesis within green 

plant tissue. Weed plants should be succulent and actively growing for best results. Rinse all spray 

equipment thoroughly with water after use. Avoid spray drift to crops, ornamentals, and other desirable plants during applicalion, as injury may result. Application to muddy water may result in reduced 

control. Minimize creating muddy water during application. Use of dirty or muddy water for Sharda 

Diquat Dibromide 37.3% dilution may result in reduced herbicidal activity. Avoid applying 

under conditions of high wind, water flow, or wave action. 

SPRAY DRIFT MANAGEMENT 

Avoiding spray drift at the application site is the responsibility of the applicator and the grower. The 

interaction of many equipment- and weather-related factors determine the potential for spray 

drift. The applicator and the grower are respons'lble for considering all these factors when making 

decisions. 

The following drift management requirements must be followed to avoid off-target movement from 

aerial applications to agricultural field crops. These requirements do not apply to forestry applications, public health uses, or to applications using dry fonnulations. 

The distance of the outermost nozzles on the boom must not exceed Y. the length of the 

wingspan or rotor. 

Nozzles must always point backward parallel with the air stream and never be pointed downward more than 45 degrees, 

Where states have more stringent regulations, they should be observed. 

Droplet Size , j j ) j, 

The most effective way to reduce drift potential is to apply large droplets. The best drift mllna!Jen]ent 

strategy is to apply the largest droplets that provide sufficient coverage and control. Applying larger 

droplets reduces drift potential, but will not prevent drift if applications are made imp'r31jt?ny~ or 

under unfavorable environmental conditions (See Wind, Temperature and Humidity, and Temporilture 

Inversions~ , , , , , 

Controlling Droplet Size ' ~ ) , 

Volume _ Use high flow rate nozzles to apply the highest practical spray volume, Nozzles w'lth 

higher rated flows produce larger droplets. 

Pressure - Do not exceed the nozzle manufacturer's recommended pressures. For many nozzle types, 

lower pressure produces larger droplets. When higher flow rates are needed, use higher flow rate 

nozzles instead of increasing pressure. 

Number of Nozzles - Use the minimum number of nozzles that prOVide unifonn coverage. 

Nozzle Orientation - Orienting nozzles so that the spray is released parallel to the airstream 

produces larger droplets than other orientations and is the recommended practice. SIgnificant 

Page 5 of to 

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39
) HE b!QUAT AqualJc 

Draft lab"" 3Seplember2009 

Quart size conversion 

deflection from horizontal will reduce droplet size and increase drift potential. 

Nozzle Type. Use a nozzle type that is designed for the intended application. With most nozzle 

types, narrower spray angles produce larger droplets. Consider using low-drift nozzles. Solid stream 

nozzles oriented straight back produce the largest droplets and the lowest drift. 

Boom Length 

For some use patterns, reducing the effective boom length to less than Y. of the wingspan or rotor 

length may further reduce drift without reducing swath width. 

Application Height 

Applications should not be made at a height grealerlhan 10 ft. above the top of the largel plants, 

unless a greater height is required for aircraft safety. Making applications at the lowest height that is 

safe reduces exposure of droplets to evaporation and wind. 

Swath Adjustment 

When applications are made wHh a crosswind, the swath will be displaced downwind. Therefore, on 

the up and downwind edges of the field, the applicator must compensate for this displacement by 

adjusting the path of the aircraft upwind. SWath adjustment distance should increase with increasing 

drift potential (higher wind, smaller drops, etc.). 

Wind 

Drift potential is lowest between wind speeds of 2-10 mph. However, many factors, including droplet 

size and equipment type, determine drift potential at any given speed. Application should be 

avoided below 2 mph due to variable wind direction and high inversion potential. Note: Local terrain 

can influence wind palterns. Every applicator should be familiar with local wind patterns and how 

they affect spray drift. 

Temperature and Humidity 

When making applications in low relative humidity, set up equipment to produce larger droplets to 

compensate for evaporation. DrOplet evaporation ls most severe when conditions are hot and dry 

Temperature Inversions 

Applications should not occur during a temperature inversion because drift potential 'is high. 

Temperature inversions restrict vertical air mixing, which causes small suspended droplets to remain 

in a concentrated cloud. This cloud can move in unpredictable directions due to the light variable 

winds common during inversions. Temperature inversions are characterized by increasing temperatures with altitude and are common on nights with limited cloud cover and light to no wind. They 

begin to form as the sun sets and often continue into the morning. Their presence can be indicated 

by ground fog, however, if fog is not present inversions can also be identified by the movement of 

smoke from a ground source or an aircraft smoke generator. Smoke that layers and moves laterally in 

a concentrated cloud (under low wind conditions) indicates an inversion, while smoke that moves 

upward and rapidly dissipates indicates good vertical air mixing. 

SenSitive Areas 

The pesticide should only be applied when the wind is blowing away from adjacent sensitive areas 

(e.g., residential areas, bodies of water, known habitat for threatened or endangered species, nontarget crops). 

COMMERCIAL GREENHOUSES AND NURSERIES 

For general weed control in commercial greenhouses (beneath benches), field grown and container 

stock, and other similar areas, HELM DlQUAT Aquatic may be applied preplant or 

past plant preemergence in field grown ornamental" nursery plantings or postemergence as a directed 

spray. HELM DlQUAT Aquatic may also be applied preemergence in ornamental 

seed crops (except in the state of California). Avoid contact with desirable foliage as injury may occur. 

00 not use on food or feed crops. 

Spot spray. 1-2 qts. HELM OIQUAT Aquatic plus the labeled rate of a 75% or greater 

nonionic surfactant per 100 gals, of water, or 0.75 oz. (22 mis.) HELM DIQUAT Aquatic plus the 

labeled rate of a 75% or greater nonionic surfactant per 1 gal. of water. 

Broadcast: 1-2 pts. HELM DIQUAT Aquatic in a minimum of 15 gals, of water per 

acre. Add the labeled rate of a 75% or greater nonionic surfactant per 100 gals, of spray mixture. Use 

an adequate spray volume to insure good coverage. 

ORNAMENTAL SEED CROPS (FLOWERS, BULBS, ETq EXCEPT IN THE STATE OF CAb!:;0~"J~ 

For preharvest des1ccation of ornamental seed crops. NOT FOR FOOD OR ABER CROPS. > ,> 

Broadcast (Air or Ground): 1.5-2 pts HELM DIQUAT AquatiC plus the la<lul~u 'fate 

of a 75% or greater nonionic surfactant per acre in sufficient water (minimum of 5 gals, by air, "f5 .g~ls, 

by ground) for deSiccation and weed bumdown Repeat as needed at no less than 5-day i~~ejV,als up 

to three applications. 00 not use seed, screenings, or waste as feed or for consumption. , , " , , DIRECTIONS FOR LANDSCAPE, INDUSTRIAL, RECREATIONAL, COMMERCIAL, RESIDENTIAL, 

AND PUBLIC AREAS 

HELM DIQUAT Aquatic provides fast control of broadleaf and grassy weeds in 

industrial, recreational, golf course, commercial, residential, and public areas. 

HELM DIQUAT Aquatic is a nonselective herbicide that rapidly kills undesirable 

above ground weed growth in 24-36 hours. Avoid application of Sharda Diquat Oibrmoide 37.3% 

SL to desirable plants. 

HELM DIQUAT Aquatic is a contact/desiccant herbicide; H is essential to obtain comPage60f fa 

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40
HI blQUAT Aquatic 

Draft labt;:1 3September2009 

Quart size conversion 

plete coverage of the target weeds to get good conlrol. Improper application technique and/or application to stressed weeds may result in unacceptable weed control. For best results, apply to actively 

growing, young weeds. 

Difficult weeds (such as perennial or deeply-rooted weeds) can often be controlled by tank mixing 

HELM DIQUAT Aquatic with other system"lc-type herbicides. Refer to other product 

labels for specific application directions. 

For residual weed control, tank mix HELM DlQUAT Aquatic with a preemergent 

herbicide labeled for the intended use site. When mixing HELM DIQUAT Aquabc 

with another herbicide, it is recommended to mix just a small amount first to determine if the mixture is physically compatible before proceeding with larger volumes. 

Helm Agro US, Inc. has not tested all possible tank mixtures w~h other herbicides for compatibility, 

efficacy or other adverse effects. Before mixing with other herbicides Sharda recommends you first 

consult your state experimental station, state university or extension agent. 

Grounds maintenance weed control: HELM DIQUAT Aquatic can be used as a spot 

or broadcast spray to control weeds in public, commercial and residential landscapes, including landscape beds, lawns, golf courses and roadsides. HELM DIQUAT Aquatic can also be 

used for weed control around the edges and nonflooded portions of ponds, lakes and daches. 

Trim and Edge weed control: HELM DIQUAT AquaUc can be used to eliminate undesired grass and broad leaf plant growth in a narrow band along driveways, walkways, patios, cart paths, 

fence lines, and around trees, ornamental gardens, buildings, other structures, and beneath noncommercial greenhouse benches. Vegetation control with HELM DIQUAT Aquatic is 

limited to the spray application Width. Do not exceed the labeled rate of HELM DIQUAT Aquatic as 

excessive rates may result in staining of concrete-based materials. 

HELM DIQUAT Aquatic, since it does not translocate systemically, can be used as an 

edging or pruning tool when precisely applied to select areas of grass or to undesirable growth on 

desirable ornamental bedding plants, ground covers, etc. 

Industrial weed control: HELM DIQUAT Aquatic can be used as a spot or broadcast 

spray either alone or in combination with other herbicides as a fast bumdown or control weeds in 

rights-of-ways, railroad bedstyards, h'lghways, roads, dividers and med'lans, parking lots, pipelines, 

pumping stations, public utility lines, transformer stations and substations, electric utilities, storage 

yards, and other non-crop areas. 

Spot spray: Apply either 1-2 qts. of HELM DIQUAT Aquatic plus the labeled rate of 

a 75% or greater nonionic surfactant per 100 gals, water, or 0.75 oz. (22 mis.) HELM DlQUAT Aquatic 

plus the labeled rate of a 75% or greater nonionic surfactant per t gal. of water. 

Broadcast: 1-2 pis. HELM DIQUAT Aquatic per acre in sufficient water to insure 

good spray coverage. Add the labeled rate of 75% or greater nonionic surfactant per 100 gals, spray 

mixture. Greater water volumes are necessary if the target plants are tall and/or dense. It is recommended that 60 gals, or greater water volume be used to obtain good coverage of dense weeds. 

TURF RENOVATION (ALL TURF AREAS EXCEPT COMMERCIAL SOD FARMS) 

To desiccate golf course turf and other turf areas prior to renovation, apply 1-2 pts. of HELM 

DIQUAT Aquatic per acre plus the labeled rate of a 75% or greater nonionic surfactant in 20-tOO gals, of water (4 teaspoons of HELM DIQUAT Aquatic plus the 

labeled rate of a 75% or greater nonionic surfactant per 1 gal. of water) using ground spray equipment. Apply for full coverage and thorough contact with the turfgrass. Apply only wl:1en the turf is 

dry, free from dew and incidental moisture. For enhanced turf desiccation, especially in the case of 

thick turfgrass, water volumes should approach tOO gals, of water per acre. 

For suppression of regrowth and quick desiccation of treated turfgrass, Sharda Diquat Dibromide 

37.3% may be mixed with other systemic nonselective or systemic postemergence grassy 

weed herbicides. Refer to other product labels for speCific applicalion directions and restrictions. 

Avoid spray contact with, or spray drift to, foliage of omamental plants or food crops. 

Do not graze livestock on treated turf or feed treated thatch to livestock. 

DORMANT ESTABUSHED TURFGRASS (BERMUDAGRASS, ZOYSIAGRASS), NONFOOD OR 

FEED CROP 

For control of emerged annual broadleaf and grass weeds, including Little Barley", Annua','OIIJI.l!:itass, 

Bromes including Rescuegrass, Sixweeks fescue, Henbit, Buttercup, and Carolina Geranium in~es1ablished dormant bermudagrass lawns, parks, golf courses, etc. > , , > , • 

Apply 1-2 pts. HELM DIQUAT Aquatic per acre in 20-100 gals, of spray rr..il:: 'by 

ground as a broadc~st application. Add the labeled rate of a 75% or greater non ionic sU~l}c,t~n,t per 

100 gals, of spray mixture. , , 

Bermudagrass must be dormant at application. Application to actively growing bermuda'grass'may 

cause delay or permanent injury. Users in the extreme Southern areas should be attentive to the 

extent of dormancy at the time of application. 

*For control of Little Barley, apply HELM DIQUAT Aquatic prior to the mid-boot 

stage. 

AQUATIC USE DIRECTIONS 

New York - Not for Sale or Use in New York State without Supplemental Special Local Needs 

Labeling. 

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HI blQUAT Aquatic 

Draft lab.,1 3September2009 

Quart size conversion 

Necessary approval and/or permits must be obtained prior to application if required. Consult the 

responsible state Agencies (i.e., Fish and Game Agencies, State Wafer Conservation authorities, or 

Department of Natura! Resources). 

Treatment of dense weed areas may result in oxygen loss from decomposHion of dead weeds. This loss 

of oxygen may cause fish suffocation. Therefore, treat only 1/3 to 112 of the water body area at one 

time and wail 14 days between treatments. 

For best results on submersed weeds, HELM D!QUAT Aquatic should be appUed to 

actively growing (photosynthesizing) weeds when water temperatures have reached or exceeded 

approxiTIate!y SO"F, typica!!y during the Spring or early Summer. 

For application only to stu! water (i.e. ponds, lakes, and drainage ditches) where there is minima! or 

no outflow to pub!"ic waters. 

and/or 

For applications to public waters in ponds, lakes, reservoirs, marshes, bayous, drainage dHches, canalS, 

streams, rivers, and other slow-moving or quiescent bodies of water for control of aquatic weeds. For 

use by; 

Corps of Engineers; or 

Federa! or State Public Agencies (Le., Water Management District personnel, municipal officials): 

" Applicators and/or licensees (Certified for aquatic pest control) that are authorized by the State 

or Loca! govemment. 

Treated water may be used according to the fonowing table or until such time as an approved assay 

(examp!e; PAM!! Spec!romatic Method) shows that the water does not contain more than the designated maximum con!aminant !evel goa! (MCLG) d 0.02 mQ/!. (ppm) of diquat dibrom'lde (ca!cu!ated 

as the cation). 

Water Use Restrictions Following Applications With HELM D!QUAT Aquatic {Days)""· 

AppUcation Rate Drinking FIShing Livestock{ Spray Tank Spray Tank 

"d Domestic Applications"" Applications'· 

Swimming Animals and Irrigation to and Irrigation to 

Consumption Tulfand Food Crops and 

"''''''- Production 

Ornamentals Ornamentals 

2 qtsl.2S surface acre 3 days 24 hours 1 day 3 days Sdays 

1.32 qtsl.33 surface 2d"" 24 hours 1 day 2 days Sdays 

,ore 

3 qts11 surface acre 2d"" 24 hours f day 2 daY' Sdays 

t q!./.S surface acre 1 day 24 hours 1 day tday Sdays 

SpotSpray· (< 2 qts. 1 d" 24 hours t day t day Sdays 

/surface acre) 

. Add a nonlonlc surfactant (With at least 7S% of the constituents active as a spray adjuvant) at the 

rate recommended by the manufacturer. 

"For preparing agricultural sprays for food crops, turf or ornamentals (to prevent phytotoxicity), do 

not use water treated with HELM D!QUAT Aquatic before the speclfied time 

period. 

"'Posting notification should be located every 250 feet including the Shoreline of the treated area and 

up to 250 feet of shoreline past the application site to include immediate public access points. 

Posting must include the day and time of application. 

When the contents of more than one spray tank is necessary to complete a single aquatic application, 

no water holding restrictions apply between the consecutive spray tanks. 

No applications are to be made in areas where commercia! processing of fish, resulting in the production of fish protein concentrate or fish mea!, is practiced. Before application, coordination and 

approval of local and/or State authorities must be obtained. ' ~ , ~ ~! 

F!oating and Marginal Weeds Including: 

Water lettuce, Pfslia sJraUo/es 

Water hyacinth, Eichhomia crassipes 

Duckweed, Lemna spp. 

Sa!vinia spp. (inc!uding S. molesta) 

Pennywort (Hycirocoty/e spp.) 

Frog's Bie, Umnobium spong/a 

Cattails, Typha spp. 

INot for use in California 

, 

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HELM D!QUAT Aquatic may be applied by backpack, airboat, spray handgun, he!icopter, airplane, or similar application equipment that results in thorough spray coverage. 

Spot Treatment: App!y HELM D!QUAT Aquatic at 1 quarts per SO ganons spray 

Page 8 of fO 

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42
) HE -'bIQUAT Aquatic 

Draft lab", 3September2009 

Quart size conversion 

carrier (0.5% solution) with an approved aquatic wetting agent at 0,25·1.0% vtv (f quart to 1 gallon 

per fOO gallons water). For cattail control, HELM D1QUAT Aquatic should be applied 

prior to flowering al the maximum application rate (1 quart of HELM D1QUAT AquaticJ12.5 gallons 

spray carrier) plus the wetting agent. Repeat treatments may be necessary for 

complete control. 

Spray to completely wet target weeds but not to runoff. Densely packed weeds or mats may require 

additional applications due to incomplete spray coverage. Re-Ireat as needed. For best results, re-treal 

weed escapes within 2 weeks of the initial treatment. 

Broadcast Treatment: Apply HELM DIQUAT Aquatic at the rate of 1-4 quarts per 0.5 surface acre. 

per surface acre in sufficlent carrier along w~h 8-16 oz.lO.5 acre of an approved wetting agent. Retreat as necessary for densely populated weed areas. Good coverage is necessary for control of 

the target weeds. 

For duckweed control, apply HELM DIQUAT Aquatic at f-2 qts.lO.25 acre. 

Submersed Weeds Including: 

Bladderwort, Utricularia spp. 

Hydrilla, Hydrilla verficillata 

Watermilfoils (including Eurasian), Myriophyllum spp. 

Pondweeds', Po/amoge/on spp. 

Coontail, Cera/ophytJum demersum 

Elodea, Elodea spp. 

Brazilian Elodea, Egetia densa 

Naiad, Najasspp. 

Algae2

, Sprrogyra spp. and Pilhophora spp. 

, HELM DIQUAT Aquatic controls Potamogetan species except Richardson's 

pondweed, P. richardsonii. 

2Suppression only. For control of Spirogyra and/or Pi/hophora, use HELM DIQUAT Aquatic 

in a tank mix with an approved algaecide. 

For severe weed or algae infestations, the use of an approved algaecide either as a pretreatment to 

the HELM DIQUAT Aquatic application or in a tank mix, may result in enhanced 

weed control. 

To control submersed weeds, apply HELM DIQUAT Aquatic in water at 0.5-2.0 

gallons per surface acre (per 4 foot water depth). For severe weed infestations, use the 2.0 gallon per 

surface acre rate. For best resurts, re-treat as necessary on t4-21 day intervals. The table below shows 

how many gallons of HELM DIQUAT Aquatic to apply per surface acre based on 

water depth. 

Gallons of HELM DIQUAT Aquatic per Surface Acre 

Average Water Depth 

1Foct 2 Feet 3 Foot 4 Feet 

1 gallon/acre rate 0.25 gal. 0.50 gal. 0.75 gal. f.0 gal. 

2 gallon/acre rate 0.50 gal. f.O gal. 1.5 gals. 2.0 gals. 

Note: For water depths of 2 feet or less mcludlng shorelmes, do not exceed f qt. per 0.25 surface acre. 

Subsurface Applications: Where the submersed weed growth, especially Hydrilla, has reached the 

water surface, apply elther in a water carrier or an invert emulsion through boom trailing hoses 

carrying nozzle tips to apply the dilute spray below the water surface to Insure adequate coverage. 

Bottom Placement: Where submersed weeds such as Hydrilla, BladdelWort, or Coontail have reached 

the water surface and/or where the water is slowly moving through the weed growth, the use of an 

invert emulsion carrier iniecling diluted HELM DIQUAT Aquatic near the bottom 

with weighted hoses may improve control. The addition of a copper based algaecide may improve 

control. If algae are present along with the submersed weeds, a pretreatment with a copper based 

algaecide may improve overall control. 

Surface Application for Submerged Aquatic Weeds: Apply the recommended rate of HELM DJqUAT 

Aquatic as a spray in sufficient carrier to fully cover the target area. Appii7atlnns 

should be made to ensure complete coverage of the weed areas. In mixed weed populatioils, use1he 

high rate of application as indicated by weeds present. For dense submersed weeds or v,:alu :e'Mr 2 

feet deep, a surface spray is not recommended (HELM DIQUAT Aquatic ShOl'l<"',' be 

applied subsurface in these situations.) . , , ' , 

If posting Is required by your state or tribe - consult the agency responl';lble for pesticide ~~!?jl~atI6ns 

for specific details. 

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43
HELM DlQUAT 

AQUATIC 

Landscape and 

Aquatic Herbicide 

TO PREVENT ACCIDENTAL POISONING, 

N~VER PUT INTO FOOO, ORINH, OR 

OTNER CONTAINE~S. ANO USE STRICTLY 

IN ACCOROANCE WITN ENTIRE lAUEL. 

Activo Inur.dlan,: 

Oldu., dlpromide IS.7-<1rnYdrodipyrldo 

(1,2-':2',1'<) pyrazln.dllum 

dIP"'mid") .............. " ..... __ . ___ "_"" .... _ ... ,, .... 37,3% 

Oth.f Ingmdr.i\t" 

Tolal' 

COMUns 2'0., "iqu., ooliOn per ~.L (J.n 10 •. 

<iQuOI dll>,omid. per ~.I.) 

So. 'dd,liOnall'f/'c.u';,",,,f'j "al'mo,o on "'l.1. 

A,GRICVLTURALUSE 

REQUIReMENTS 

U.o In,. p",duct On't In '''''"rda""" w~n '" "P'IiOd and Wllh 1M Wor'e, 1',000C"On 

~'.M"d, ~d CFR p,~ 17". Rei., 10 "PIlI,-

man,.' l.p.Hng under ".0.0,,",,1","1 Uso 

ROqu,rom.nls· In '.0 OI"OliOI\' lor Use 

.. Olron for Inlo'''.';OI\ .,l0""hl. "hOnoo,", 

EPARog, NO. 74\3(1.,5 

ePA ~ No. 374zu.GA.d1 

1 quart 

Net Contents 1 quart (946.3 ml) 

Manufactured for: 

Helm Agro US, Inc. 

8295 Tournament Drive 

Suite #310 

Memphis, TN 38125 

KEEP OUT OF REACH 

OF CHILDREN. 

CAUTIONI 

PRECAUCION 

Si osM "0 eo1ieodo I. 'li'lOelo, W"I"" • '10""'0 

PO'" QUO .. 1O'>:pIiquo • u_ '0 d.I,Ito. ~I Y<HJ <lo 

""I uod."",llIIthe IlIbol. rO>d ""meon. '" '''Pl'i" ~ '" )'Ou", d'IOIt) 

FIRSTAlD 

II on .>in 0' OIoIhl"~' T.ke o~ OO .... "".lod cIoU1. 

l"!l. Rm,. 'kl" """0<1"'1'1)" WIIh pl.nty 01 "'OIor '01 1:;'2d ml"ul .. CIIII. p",,"n "",1m ".'"'' or dOClOt (or trea"""llI ""'leo, 

II I" ey • ., Iio'd ')'0 opon .nd "0," .lowIy ond 

9''''1)" ,.;u, willer lor 1:;'2d mioulo •• RO<OO>'" 00 .. 

"ctl.".. •• "FO'.nl ,!Ie, lho f.to\ S mmul ... then 

cooIIoue rlftolnij.)'O. Call " pol.", fOOfl1rtII 0001" 01 

<loOior lor l .. iNmOnl ."""". 

II ""_ed; con. polso" 0001,01 colll..- ordooo.-

Imm_ry 10, lrootmelll a<Mca. Have _ ~p • 

Q .... 01 w,lor II 'bi, 10 'WIIIIOW, Dc "nt I"du,. 

VDlIlI\ing """" 1010 10 do so by I .. polson .CIf1lrOl oem", or dO<l". Do not givo arl)1l1ing by mourn I, 

""""""""""""1""""'. 

~ 10Mild; MO'ie po"""", I~ o~, II person Is "" 

breathing. call 011 or "" IImbol.,"",. thoo W>'e orti11,,",1 "'pirollo", PI.(.ral>!y mcllln.I"''''''''ln. ~ 

po.o~bi .. COlI. POir;o" corllrni OOniorordocto, lor 

furth" """"".nI ""'ice. NOTE TO I'~ICII\NS: To Do Offedf;e, k_ 

!o! diqual poi$orlil1{l mu,1 boill" IMMEOIATELT . 

Treatment co,,,i'" 01 bind;og diquallo 'h' ~'" I>iU1 

Mpons;cos '" _fill_I ,,_nil, rhy, 

""mini ..... l;.", 01 OOth ... "" '" """one. OIimono6cn. 

and '"m",1II of "iqUei lrom ,h. ~od by ,,"",,",oj 

homQperfusion or ""OIinuou' homodl.ll"i<. 

Have ,no ~uOl ""nl,;"", or 1111"1 ~h Y'U wh", 

OIIm"ll , polson """'rei "'_ or docto,. or I)OinQl« 

""elment, For 24·00ur m.dioa! om'''II'O<y 

as.;'""", (IlLlmal1 " '".".~ or C/l,micIIl 

Em.rd",O)" A" .... noe (SpIU. !e ••• II"'. or 

a'oid,,") ""~ ,Ito R'd;y Moo.mlal" p"""" eo.,""l 

COntf), ot CldJ) G2l-571~. For T"'"'p«tati", 

omeru'ncio •• 00" Ch.m T"o.' ('000) 424-1300, 

Precautionary Statements H."rd.lo Hum"".nd OomeSlic Anima~ 

CAUTIONIO 

M.y 1" latal ~ .OOoIDod 10"'U(III"in. N,rmlul d 

",,,lIowed OI"iMa!ed. COU"" '_filial, 1M 10m-

",,""I, .",.0 In)of'!. Cau, •• ,kin mil>!iOO. Conlacl 

..;u, """"fill ski", ... a ""', OI"'~oJool""""Cl """ .. !act »;10 m.y ",.\Ill .. pc~,""~. 00 00! gOiIo 'yO'. 00 ."in. Of Of) do'illng. Avoloj btoOlhi"!l v'PO' or.~y ml8L Co 00! 10ed lorag. lrom """fill """PO 

10 liYc@ok, Ko<p 1""",,",* 'nO pOl. out '" !roolo<l ""Id. ood ""'I' ...... 

Envl"nmeolal N."",. 

Th .. F>O";_ ~ 10>0010 oquOl" "'''''oebfa!o,," For 

T'''''I''''I U'OS.fIO "l! .pply d~ 10 ""Ier. or 

10 ""'os where .ud."" ",.lIor ~ ""'''Ill, or" I"",. 

1idJI1 ...... I>OIOWtll. m.",., I\;gn ..... or mOil<. Do ""I 

",rl\"""'iIle w.l" """0 0$$1'0';"11 O! ed.,;pm.OI 

wa,h w'Ia" PO( Aqua\lc Us" do "" .ppIY_<IIY "w.lO, """"pi" .pedrood "" tnl$ lOll". 

H! ,'oIQUAT Aquatic 

Draft lab",( '3September2009 

Quart size conversion 

STORAGE AND DISPOSAL Do nO! oo"'"","'le w" .... I"",,. or ( .. d by.I"'"!lo ordi<po .. , 

P"lieid. SIOf'~' 

Ko.p p'<llcid. io oO¢nol ",fIIalno,. Do noc pot 0011-

0,",,,,,. or di"''' iOl, lOOd Of d""k """aI"",,. 00 

"eI """\>",,,.10 leed. loodsl"~., "d"'ki"ll w'ler, 00 not ~ore "I"",~~ o,,, .. loW or 1000. S,,,,,, ., 

lornpotOl .... , obOve :l2°F. For h,ip wM ooy .... I( 

I ... , ~ro, " ""PO'u," In""NiO(j tills moJ,fi,1. call 

C~MTR.EC "'(80\l)"4--1l~, 

Pealield.O'.po .. 1 

01'''' flumpleQ ~ ptoniQ~.d, 1'<._. w,,, ... or. 

!OXic. """"'PO' ikposal 01 """" .. 1'_, OpriIy 

"""""'. or fin.,I .... vIo"lioo o( IOd.rallow. II 

Ih". wa~,. ""'001 Do d"poS6d 0/ by u .. 0«0t<!. 

I"),, '0fI01 in>InldioOS, ODfltOCl yo", stOI.l'estlcido 

01 En""""".nI .. ConIroll\lJllntot. 0, the Nazardou. 

Wos.e """,,"aIM! a! II» """""" EPA Reg"""" otf.oo 'OIQ>.<id."",. 

Conl'I,,", 01'1'0$01 

No, romcbi. CO"",ino,. 00 noc "M. or reM 

<onIIileo,. Off ... lor retyoling. ff "" .. _. 00"" 

"",,",Ioor prom¢1l' ii/t" OmplyiO(1. Non mlillibl. 

<onIIi;"OfoqUal" or 1 ... lr>lO" 5 d,lo"". Tripic Mo, M loJ""", Empty !he f!IfT1aWnQ OO<lIootli 1010 

oppiK:olion rlG~ptn<!ot 01. ml>:l311i< """ d .. io lor ~ ,,,,,,,,,,", .nor 11\0 ~ow 1>9gin. " d.sp. F" If>< _ .. "",1\ lullv.!Ihw ... , 'n<I""'~, SIlakofor Id 

"""""" ?O"' rio.>t<3 1n10 .p~ "'Iulptn.nI " • mi>: 13 ... '" """" rlnsal. (or Ielor "". ordi>po,al. 

0..1" IOf ,d .. 000'" oIIe, the fiow boOI", 10 <I!1p. 

Rope'" this ptO<odu", 2 mOfe 1,m .. 

CONTAINER ~ NOT SME FOR FOcO. !'tEO. CfI 

ORINKI~WAn::R! 

, " 

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HELm f J3RO US, INC. 

8275 Tournament Drive, Suite 340 

Memphis, Tennessee 38125 

Phone: (901) 312-1525 

Fax: (901) 312-1535 

\I\I'\'\I'W.helmagro.com 

Designation of Agent for (CompanY) 

This letter serves as notification to the Department that I hereby designate Wagner 

Regulatory Associates, Inc. (WRA) to act as Agent on my behalf for the purposes of 

submitting the enclosed Notification to the Agency. Correspondence relating to this 

Notification should be submitted to: 

Wagner Regulatory Associates, Inc. 

P.O. Box 640 

Hockessin, DE 19707 

Telephone: (302) 234-8551 

Facsimile: (302) 234-7570 

WRA will in tum copy me on all correspondence, and keep me advised of any regulatory 

issues. 

Thank you for your time and assistance. Please feel free to call WRA if you have any 

questions. 

Respectfully, 

/.~ 

Marshall B. Wixson Ph.D. 

Helm Agro US, INC. 

8275 Tournament Drive Suite 340 

Memphis, TN 38125 

901-312-1525 

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I 

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY 

WASHINGTON, D.C 20460 

Marshall B. Wixson, ph.D. 

Helm Agro US, Inc. 

8295 Tournament Drive, Suite 310 

Memphis, TN 38125 

Dear Dr. Wixson: 

23 JUl 2009 OFFICE OF 

PREVENTION, PESTICIDES 

AND TOXIC SUBSTANCES 

Subject: Correction to Agency Registration Notices dated March 

21, 2008 

Restricted Entry Interval 

Diquat AG 

EPA Reg. No. 74530-24 

Diquat Landscape and Aquatic Herbicide 

EPA Reg. No. 74530-25 

The subject registration notices incorrectly instructed you 

to change the restricted entry interval (REI) from 24 hours to 7 

days on the labels. The Diquat Dibromide Reregistration 

Eligibility Decision (RED) of 1995, specified a REI of 7 days. 

However, in a Federal Register Notice dated September 18, 2002 

(Volume 67, Number 181), the REI was changed to 24 hours for all 

Worker Protection Standard (WPS) uses. You may either submit a 

label amendment for these products making this label change or 

submit the revised labels as a notification. We regret the error 

in our earlier correspondence for both products. Contact me if 

you have any questions. I can be reached at (703) 305-6224 or 

via email at: mil1er.joanne@epa.gov. 

Sincerely yours, 

~~ oanne I. Miller 

Product Manager 23 

Herbicide Branch 

Registration Division 

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46
UNITED STATES ENVIRONMENTAL PROTECTION AGENCY 

WASHINGTON, D.C. 20460 

Marshall B. Wixson, Ph.D. 

Helm Agro US, Inc. 

8295 Tournament Drive, Suite 310 

Memphis, TN 38125 

Dear Dr. wixson: 

2 3 JUL 2i}~g OFFlCEOF 

PREVENTION, PESTICIDES 

AND TOXIC SUBSTANCES 

Subject: Correction to Agency Registration Notices dated March 

21, 2008 

Restricted Entry Interval 

Diquat AG 

EPA Reg. No. 74530-24 

Diquat Landscape and Aquatic Herbicide 

EPA Reg. No. 74530-25 

The subject registration notices incorrectly instructed you 

to change the restricted entry interval (REI) from 24 hours to 7 

days on the labels. The Diquat Dibromide Reregistration 

Eligibility Decision (RED) of 1995, specified a REI of 7 days. 

However, in a Federal Register Notice dated september 18, 2002 

(Volume 67, Number 181), the REI was changed to 24 hours for all 

Worker Protection Standard (WPS) uses. You may either submit a 

label amendment for these products making this label change or 

submit the revised labels as a notification. We regret the error 

in our earlier correspondence for both products. Contact me if 

you have any questions. I can be reached at (703) 305-6224 or 

via email at: miller.joanne@epa.gov. 

Sincerely yours, 

Joanne I. Mi ller 

Product Manager 23 

Herbicide Branch 

Registration Division (7505P) 

47
pPA: Federal Register: Diqua, <bromide; Notice ot Availability ot Vec. "h on Syngenta's Keq... page 1 or b 

u.s. Environmental Pl'Ofeetlon Agency ~ 

Federal Register Environmental Documents ) 

BecenIAddilion:l\eontacIUS! search:! IlmJ tiT11/C1f/11£NTC 

EPA Home> Federal Reaister > Ff! Years> FR Months> FA Days>.EEU@!t > Diqual Dibromide; Notice of 

AvailabiOty of Decision on Syngenta·s Requesllo Modify Lahel Requiremenls and Closure 01 1995 RED 

Diquat Dibromide; Notice of Availability of Decision on 

Syngenta's Request to Modify Label Requirements and 

Closure of 1995 RED 

(Federal Register: 

(Notices] 

(Page 58797-58799] 

September 18, 2002 (Volume 67, Number 181)] C"-~'ZP 

REX 

From the Federal Register Onl~ne via GPO Access [wais.access.gpo.gov] ~ 

• :::~=::~:~~~~~:::-~:::~~--------------------------------------{~ J\ E0 

• 

[OPP-2002-0192; FRL-7197-9] 

Diquat Dibromide; Notice of Availability of Decision on 

Syngenta's Request to Modify Label Requirements and Closure of 1995 RED 

AGENCY: Environmental Protection Agency (EPA). 

ACTION: Notice. 

-------------------------------------------------------~---------------

SUMMARY; This notice announces EPA's intention to modify certain 

occupational and residential risk mitigation measures that were imposed 

as a result of the 1995 Reregistration Eligibility Decision [RED) for 

diquat dibromide. At the end of the comment period. the Agency will 

consider this action an immediate final decision and the 1995 RED 

closed, unless adverse comments are received. The Agency conducted this 

reassessment in response to new data submitted by the technical 

registrant, Syngenta Crop Protection, Inc. Syngenta has requested the 

Agency modify certain diquat dibromide label requirements including: 

Personal protective equipment {PPE). closed loading system for aerial 

applications, reentry intervals, and allow residential broadcast spray 

uses. 

DATES: Comments, identified by docket identification (ID) number OPP2002-0192, must be received on or before October 18. 2002. 

ADDRESSES; Comments may be submitted by mail, electronically, or in 

person. Please follow the detailed instructions for each method as 

provided in Unit I. of the SUPPLEMENTARY INFORMATION. To ensure proper 

receipt by EPA, it is imperative that you identify docket ID number 

OPP-2002-0192 in the subject line on the first page of your response. 

FOR FURTHER INFORMATION CONTACT: Tyler Lane, Special Review and 

Reregistration Division [7508C}, Office of Pesticide Programs, 

Environmental Protection Agency, 1200 Pennsylvania Ave., NW., 

Washington, DC 20460; telephone number: (03) 305-2737; e-mail address: 

lane.tyler@epa.gov. 

SUPPLEMENTARY INFORMATION: 

I. General Information 

http://www.epa.gov!cgi-birlJeDaorintonly.cgi 2/212005 

48
• 

• 

:EPA: Federal KegIS[er: UlqU: 'mfOlruae; l'wnce or i\val.laOtl1[y or ue ')n on ,:ojyngenta·s Keq... .t'age 1. or b 

A. Does this Action Apply to Me? 

This action is directed to the public in general, nevertheless, a 

wide range of stakeholders will be interested in obtaining information 

on the label adjustments for diquat dibrornide, including environmental, 

human health, and agricultural advocates; the chemical industry; 

pesticide users; and members of the public interested in the use of 

pesticides on food. Since other entities also may be interested, the 

Agency has not attempted to describe all the specific entities that may 

be affected by this action. If you have any questions regarding the 

applicability of this action to a particular entity, consult the person 

listed under FOR FURTHER INFORMATION CONTACT. 

B. How Can I Get Additional Information, Including Copies of this 

Document and Other Related Documents? 

1. Electronically. You may obtain electronic copies of this 

document, and certain other related documents that might be available 

electronically, from the EPA Internet Home Page at http;llwww.e~.gov/. 

On the Home Page select "Laws and Regulations, ,. "Regulations and 

Proposed Rules." and then look up the entry for this document under 

the "Federal Register--Environmental Documents." You can also go 

directly to the Federal Register listings at http://www.epa.gov/ 

fedrgstr/. Copies of the tolerance reassessment decision and supporting 

risk assessment documents for the reregistration of diquat dibromide 

may also be accessed at http://www.epa.gov/pesticides/reregistration/ 

diguat=dibromide.htm. 

2. In person. The Agency has established an official record for 

this action under docket ID number OPP-2002-0l92. The official record 

consists of the documents specifically referenced in this action, and 

other information related to this action, including any information 

claimed as Confidential Business Information (CBI). This official 

record includes the documents that are physically located in the 

docket, as well as the documents that are referenced in those 

documents. The public version of the official record does not include 

any information claimed as CBI. The public version of the official 

record is available for inspection in the Public Information and 

Records Integrity Branch (PIRIB), Rm. 119, Crystal Mall #2, 

1921 Jefferson Davis Hwy., Arlington, VA, from 8:30 a.m. to 4 p.m., 

Monday through Friday, excluding legal holidays. The PIRIB telephone 

number is (703) 305-5805. 

([Page 58798J J 

C. How and to Whom Do I Submit Comments? 

You may submit comments through the mail, in person, or 

electronically. To ensure proper receipt by EPA, it is imperative that 

you identify docket ID number OPP-2002-0l92 in the subject line on the 

first page of your response. 

1. By mail. Submit your comments to: Public Information and Records 

Integrity Branch (PIRIB), Information Resources and Services Division 

(7502C), Office of Pesticide Programs (OPP) , Environmental Protection 

Agency, 1200 pennsylvania Ave., NW., Washington, DC 20460, 

2. In person or by courier. Deliver your comments to: Public 

Information and Records Integrity Branch (PIRIB), Information Resources 

and Services Division (7502C), Office of Pesticide Programs (OPP), 

Environmental Protection Agency, Rm. 119, Crystal Mall 82, 1921 

Jefferson Davis Highway, Arlington, VA. The PIRIB is open from 8:30 

a.m. to 4 p.m., Monday through Friday, excluding legal holidays. The 

PIRIB telephone number is (703) 305-5805. 

3. Electronically. You may submit your comments electronically by 

e-mail to: opp-docket@epa.gov, or you can submit a computer disk as 

http://www.epa.gov/cgi-binlepaprintonly.cgi 

49

2/2/2005 
• 

• 

pPA: Federal KeglSter: lJlqu \mronuae; !'>!ouce or Avauaouuy or ue '}m on .)yngema's Keq... t'age j ot () 

described above. Do not submit any information electronically that you 

consider to be CBI. Avoid the use of special characters and any form of 

encryption. Electronic submissions will be accepted in WordPerfect 6.1/ 

8.0/9.0 or ASCII file format. All comments in electronic form must be 

identified by docket ID number OPP-2002-0192. Electronic comments may 

also be filed online at many Federal Depository Libraries. 

D. How Should I Handle CBI That I Want to Submit to the Agency? 

DO not submit any information electronically that you consider to 

be CBl. You may claim information that you submit to EPA in response to 

this document as CBI by marking any part or all of that information as 

CBl. Information so marked will not be disclosed except in accordance 

wi th procedures s,et forth in 40 CFR part 2. In addi tion to one complete 

version of the comment that includes any information claimed as CBI, a 

copy of the comment that does not contain the information claimed as 

CBI must be submitted for inclusion in the public version of the 

official record. Information not marked confidential will be included 

in the public version of the official record without prior notice. If 

you have any questions about CBI or the procedures for claiming CBI, 

please consult the person identified under FOR FURTHER INFORMATION 

CONTACT. 

E. What Should I Consider as I Prepare MY Comments for EPA? 

You may find the following suggestions helpful for preparing your 

comments: 

1. Explain your views as clearly as possible. 

2. Describe any assumptions that you used. 

3. Provide copies of any technical information and/or data you used 

that support your views. 

4. If you estimate potential burden or costs, explain how you 

arrived at the estimate that you provide. 

5. Provide specific examples to illustrate your concerns. 

6. Make sure to submit your comments by the deadline in this 

document. 

7. To ensure proper receipt by EPA, be sure to identify the docket 

10 number assigned to this action in the subject line on the first page 

of your response. You may also provide the name, date, and Federal 

Register citation. 

I I. Background 

A. What Action is the Agency Taking? 

In 1995, the Agency published its Reregistration Eligibility 

Decision (RED) for diquat dibromide. Subsequent to the publication of 

the 1995 RED, the technical registrant submitted additional data to 

further refine diquat dibromide worker exposure and residential 

broadcast spray use scenarios. 

Changes to the PPE label requirements of the 1995 RED are based on 

the submission of additional data from a biomonitoring study of 

knapsack applications of the closely related chemical paraquat, and a 

reconsideration of the acute dermal toxicity endpoint. The Agency 

reevaluated the dermal toxicity endpoint and rendered a decision that 

the repeated dose dermal toxicity study used for the 1995 RED was not 

appropriate for use in the risk assessment because the skins of the 

rats used in the study were compromised. Instead, the Agency 

extrapolated a dermal toxicity endpoint from a short-term oral study on 

rabbits. 

The Agency has also reevaluated dermal absorption assumptions. 

Previously, EPA assumed a standard absorption rate of 4.1%, based on a 

rat dermal absorption study. Syngenta cited a human dermal absorption 

study estimating a 0.3% dermal absorption rate for diquat dibromide 

http://www.epa.gov/cgi-binlepaprintonly.cgi 2/2/2005 

50
~PA: f'"ederal Keglsrer: ulqual ')rOffiloe; l'lOnCe or PI.. vauao1l1tY or uec~ ,Ion,::, yngenra S Keq... rage 'I- or 0 

(Feldman RJ and Maibach HI, "Percutaneous penetration of some 

pesticides and herbicides in man" Tox. Appl. Pharm. 28126-132, 1974). 

The Agency has relied on data provided by the Feldman-Maibach study for 

previous risk assessments, and believes the study to be acceptable and 

the data valid for use in this risk assessment. The use of the dermal 

absorption factor of 0.3% fUrther refines all aggregate margins of 

exposure (MOEs) above the target MOE of 100, which would not be of 

concern to the Agency. 

The Agency has evaluated the request to modify the cited label 

requirements and summarized its assessment in the Occupational Risk 

Evaluation: "Assessing Syngenta's Request to Modify Diquat Dibromide 

Label Requirements," dated February 14. 2002. In addition, the "HED 

Risk Assessment for Tolerance Reassessment Eligibility Document 

(TRED)," March 6,2002, and the "Re-characterization of Risk for the 

Diquat Dibromide Tolerance Reassessment Eligibility Decision (TRED) 

Based on New Dermal Absorption Data, " March 13, 2002, were used to aid 

in the assessment of aggregate risks from residential uses. Any 

labeling changes are presented in the . 'Required Labeling Changes 

Summary Table," which summarizes the labeling requirements for this 

action. All sUpporting documents referenced in this document are 

available in the public docket and at http://www.epa.gov/pesticides/ 

reregist~ation/diguat=dibromide.htm. 

In summary, the Agency expects to change the label requirements of 

the 1995 RED for worker PPE and residential broadcast spray uses. The 

following table presents the 1995 RED decisions being reevaluated, the 

requests to change these requirements made by Syngenta, and the current 

Agency decisions to amend the 1995 RED: 

• 

[[Page 58799)) 

July 1995 RED 

All workers required to wear a 

double layer of clothing 

(coveralls over long sleeved 

shirt, long pants), chemical 

resistant gloves, chemical 

resistant footwear plus socks, 

chemical resistant headgear for 

overhead exposure, and a 

chemical resistant apron when 

cleaning equipment, mixing or 

loading) 

Syngenta Request 

Reduced PPE 

requirements due 

potential for 

heat stress to 

field workers and 

applicators 

Amendments to 1995 

RED 

All workers must 

continue to wear 

protective 

footwear and 

coveralls over a 

single layer of 

clothes {products 

wi th a dermal 

toxicity of III 

or IV may reduce 

PPE to protective 

footwear and 

coveralls over 

short pants and 

short sleeve 

~Mixers, 

loaders and hand 

applicators must 

wear chemical 

resistant gloves, 

while applicators 

who are operating 

closed cab 

equipment are not 

required to wear 

chemical 

resistant gloves 

due to MOEs over 

1,000. 

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

http://www.epa.gov/cgi-binlepaprintonly.cgi 21212005 

51
.t.I:"A: t'eaeral KeglSler: UIQU2 ';ororruue; l~oLlce or t\vauaOllHY or vet 'n on ..,yngemas Keq... t'age J or b 

• 

• 

Respirators for mixing and 

loading 

Closed mixing system for aerial 

applications. 

7-Day restricted entry interval 

(REI) for products used under 

the Worker Protection Standard 

(WPS) ~nless there is no 

contact with treated surfaces 

(such as mechanical harvesting) 

4-Day REI for non-WPS uses other 

than aquatic and spot treatment 

at residential sites 

Prohibition of broadcast spray 

applications for homeowner and 

residential uses 

No respirator 

requirements for 

mixing and 

loading due to 

potential for 

heat stress 

Open mixing system 

for aerial 

applications. 

4-Hour REI for 

potato 

desiccation and 

seed crops 

REI when spray is 

dry for non-WPS 

uses 

Broadcast spray 

applications for 

homeowner and 

residential uses 

Respirator 

requirement for 

. mixer/loaders 

reduced to a face 

shield to prevent 

droplets from 

entering the 

eyes, mouth or 

nose areas 

Closed mixing! 

loading 

requirements 

remain for aerial 

applications. 

REI reduced to 24 

hours for all WPS 

uses, based on 

default reentry 

analysis findings 

of HOEs between 

150 and 1,500 and 

a toxicity 

category II for 

eye irritation 

REI reduced to 

"when sprays are 

dry" for non-WPS 

uses, also based 

on default 

reentry analysis 

Generic data 

requirements have 

been fulfilled 

for residential 

broadcast spray 

uses, Broadcast 

spray 

applications for 

homeowner and 

residential uses 

for end-use 

products will be 

decided on a caseby-case basis 

upon review of 

end-use product 

toxicity, based 

on short-term 

exposure and 

individual risk 

assessments. 

B. What is the Agency's Authority for Taking this Action? 

The legal authority for this decision falls under FIFRA, as amended 

in 1988 and 1996. Section 4{g){2) (A) of FIFRA directs that, after 

submission of all data concerning a pesticide active ingredient, "the 

Administrator shall determine whether pesticides containing such active 

ingredient are eligible for reregistration," and either reregister 

http://www.epa.gov/egi-hinJepaprintonly.egi 21212005 

52
• 

• 

• 

t!PA: !<'ecteral KeglS[er: ulquar jromlae; I''IOuee or f\vauaolluy or Vee, ;1 on ;:,yngema's Keq... Page 6 01"6 

products or take other "appropriate regulatory action." 

List of subjects 

Environmental protection, Chemicals, Aquatic herbicides. 

Dated~ September 5, 2002. 

Lois Rossi. 

Director, Special Review and Reregistration Division, Office of 

Pesticide programs. 

[FR Doc. 02-23594 Filed 9-17-02; 8:45 am) 

BILLING CODE 6560-50-S 

EPA Home 1 Privacy and SeClJrity Notice I Contact Us 

This page was generated on Wednesday. February 2. 2005 

View the graphical version of this page at !l.!!Q:Uwww.epa.govIEPAPEST 12002/SeDtember/Day-18/p23594.htm 

http://www.epa.goylcgi-hinlepaprintonIy.cgi 21212005 --------------

53
! 

Re: REI FOR DIQUAT PRODUCTS Cl 

Joanne Miller to: Felicidad Frank 

From: Joanne MillerlDC/USEPAlUS 

To: "Felicidad Frank" <ffrank@cdpr.ca.gov> 

Fly, 

07123/200910:55 AM 

On further examina1ion of our records, we did, in error, instruct the registrant to change the REI from 24 

hours to 7 days for both products. I will prepare a correction letter to the registrant notifying them of this. 

Thank you for bringing this to my attention. I am sorry for the delay in responding back to you. Have a 

nice day! 

Joanne I. Miller, Herbicide Branch 

U.s. EPA, e-mail: miller.joanne@epa.gov 

Phone: 703v 305-6224 FAX: 703-308-0029 

Mailing address: Mail Code (7505P) 

1200 Pennsylvania Ave N.W., Wash, D.C. 20460 

opp Address (Location & Hand-Delivery only): 

One Potomac Yard 

2777 S. Crystal Drive 

Arlington, VA 22202 

"Felicidad Frank" Hello Ms. Miller, First, I have been trying to reac ... 

From: 

To: 

Date: 

"Felicidad Frank" <ffrank@cdpr.ca.gov> 

Joanne Milier/DC/USEPAlUS@EPA 

07/221200903:48 PM 

Subject: RE! FOR D!QUAT PRODUCTS 

Hello Ms. Miller, 

07/22/200903:48:25 PM 

First , I have been trying to reach you by phone but we have always been 

missed each other. 

I have questions regarding REI Helm Agro (Diquat) products. 

Helm Agro is requesting two products registrations in the state of California 

containing Diquat dibromide. Helm Diquat AG, EPA Reg. NO. 74530-24; and Helm 

Diquat Aquatic and Landscape Herbicide, EPA Reg. NO. 74530-25;. Both products 

were registered and stamped accepted by U.S. EPA on March 21, 2008. Both REI' 

were listed 7days. Diquat dibromide registrants were granted 24 hours REI. 

This is the current REI's of all diquat labels registered in California. Why 

is Helm Agro has specific 7days REI? I spoke with Mr. Stone with EPA when you 

were on vacation, and he told me that the 7 days was an error. If it is, would 

EPA correct Helm AGro registration documentation on file with U.S. EPA? or can 

Helm Agro file a Notification to U.S. EPA? 

please advise. 

54
sincerely, 

Fly R. FRank 

Environmental Scientist 

pesticide Regsitration Branch 

916-324-3523 

55
,---

Document Processing Desk (AMEND) 

Office of Pesticide Programs (7504P) 

U.S. Environmental Protection Agency 

One Potomac Yard - South Building 

2777 S, Crystal Dtive 

Arlington, VA 22202 

Attention: Jim Tompkins, PM Team 25 

HELm, JGRO US, INC. 

8295 Tournament Drive, Suite 31 0 

Memphis, Tennessee 38125 

Phone: [901)312-1525 

Fax: [901)312-1535 

2-26-09 

RE: Final Print Labels and Notification of Container Handling Language Change 

Dear Mr. Tomkins: 

Please find enclosed the following requested label changes for Diquat AG (EPA Reg. # 

74530-24 and Diquat Landscape and Aquatic Herbicide (EPA Reg, # 74530-25): 

1. 3 copies of Diquat AG final print label with new container handling language. 

2. 3 copies ofDiquat Landscape and Aquatic Herbicide [mal print label with new 

container handling language. 

Please do not hesitate to contact me if more infonnation is needed or questions arise. I 

can be reached at 901-312-1525 or at mwixson@helmagro.com. 

Sincerely: 

/V 

Dr, Marshall B. Wixson Ph,D, 

Manager Product Dev~lopment 

Hehn Agro US, Inc, . ., 

• ... ~,.­

• • , . " - ,,- o • 

• 

• 

•• • . •• • ., 

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. ., • • ~ ~ . ~ 

56
NOT REVIEWED 

In ACCord~nce with PR Notice 

Based on Draft Labeling Dated 

MAR 2 '11003 

i::1IJIQUAT 

Aquatic and Landscape Herbicide 

TO PREVENT ACCIDENTAL POISONING, NEVER PUT INTO FOOD, ORINK, OR OTHER 

CONTAINERS, ANO USE STRICTLY IN ACCOROANCE WITH ENTIRE LABEL. 

Active Ingredient: 

Oiquat dibromide fS,7-dihydrodipyrido (1,2-a:2',1'-c) pyrazinediium dibromideJ.................. 37.3% 

Other Ingredients: .............................................................................................. 62.7% 

Total: .................................................................................................................... 100.0% 

Contains 2 Ibs. diquat cation per gal. (3.73 fbs, diquat dibromide per gaL) 

KEEP OUT OF REACH OF CHILDREN 

CAUTION/CUIDADO 

Si usted no entlende Is etiquela, busque a alguien para que se la explique a usted en detalle. 

flf you do not understand the label. find someone to explain it to you in detail.) 

EPA Reg. No. 74530-25 

EPA Est. No. 37429-GA-Ol 

Net Contents: 

2.5 gallons 

See additional precautionary statements on label. 

57
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NOT REVIEW£!) . ? 

In Accordance with ~R Notice 82~2g Based on Draft Labeling Dated 1; 

MAR 2"1 1003 

j::1DIQUAT 

Aquatic and Landscape Herbicide 

TO PREVENT ACCIDENTAL POISONING, NEVER PUT INTO FOOD, DRINK, OR OTHER 

CONTAINERS, AND USE STRICTLY IN ACCORDANCE wiTH ENTIRE LABEL. 

Active Ingredient: 

Diquat dibromide f6,7-dihydrodipyrido (1,2-a;2',1'-c) pyrazinediium dibromideL............... 37.3% 

Other Ingredients: .............................................................................................. 62.7% 

Total: ..........................................................................................•....................•.... 100.0% 

Contains 2 Ibs. diquat cation per gal. (3.73 Ibs. diquat dibromide per gal.) 

KEEP OUT OF REACH OF CHILDREN 

CAUTION/CUIDADO 

Si usted no entiende la etiqueta, busque a alguien para que se la expllque a usted en detalle. 

(If you do not understand the label, find someone to eXplain it to you in detai!.) 

EPA Reg. No. 74530-25 

EPA Est. No. 37429-GA-Ol 

Net Contents: 

2.5 gallons 

See additional precautionary statements on label. 

64
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70
Document Processing Desk (AMEND) 

Office of Pesticide Programs (7504P) 

U.S. Environmental Protection Agency 

One Potomac Yard - South Building 

2777 S. Crystal Drive 

Arlington, VA 22202 

Attention: Ms. Joanne Miller 

HELm AGRO US. INC. 

8295 Tournament Drive, Suite 31 0 

Memphis, Tennessee 38125 

Phone: (901) 312-1525 

Fax: [901 J 312-1535 

6-24-08 

RE: Final Print Label- Helm Diquat Aquatic and Landscape 74530-25 

Dear Ms. Miller: 

Per your attached letter, enclosed is a final print label for the above referenced product. 

Please do Dot hesitate to contact me if more information is needed or questions arise. I 

can be reached at 90 I ~312-1525 or at mwixson@helmagro.com. 

Sincerely: 

Marshall 

~ B. Wixson Ph.D. 

Manager Product Development 

Helm Agro US, Inc. 

71
V -2.5 

AGENCY 

Office of Pesticide Programs 

Registration DivisioD (7S0SP) 

Ariel Rios BuDding 

1200 Pennsylvania Ave., NW 

Washington, D.C. 20460 

NOTICE OF PESTICIDE: 

2L Registration 

_ Reregistration 

(under FIFRA.as amended) 

EPAReg.Nurnbtt: \"",,"0==. 

7453IJ..25 

Term ofIuuance: 

Name ofPestic:idc Produ!:t: 

Helm Diquat Aquatic and 

Helm Agro US, Inc. 

8295 Tournament Dr., Suite 310 

Memphis, TN 38125 

On the basis of infcxmation furnished by the~, the above named pesticide ii hereby registered UlIder lIIe Fedenllntccticide, FUllgicidc and 

Rodentieide Act. Rqlstratir;m is in no wI)' to be eonmued as an ~emenl or nx:ommeudation ofihis product by the AJmcy. In order to pmtcel 

health and !lui erwiromnent, the ~, on ~ motion, may at any time suspend O!" cancel the ~tion of a pesticide in 8I,:COl'danee with the 

Act _The aceeptance nf any namC'in ,connection with the ~tion of a product IUlder- this Act is not to be construed as giving the registrant a riaht to 

exclusive use of!he name or to its use ifit has been cOvm:d by others. 

This product is registered in accordance with FlFRA sec. 3(c)(7)(A), provided that you make the following-· 

revisions: 

1. Change the Signal Word to "Caution," wherever it appears on the label. 

2. Remove the statement, ''Do not use this product for reformulation," wherever it appears on the 

label. 

3. Wben labels are printed, assure that "Caution" and "Keep Out of Reach of Children" meet the 

size requjrements specified by 40 CPR 156.60(b){l). 

4. Precautionary Statements~ Hazards to Humans and Domestic Ariimals section: change text to 

read, "Caution. Harmful ifinhaled. Harmful if swallowed. Causes moderate eye' irritation. 

AvOid breathihg spray mist. A void contact with eyes or clothing." 

5. Under the Personal Protective Equipment s~tion: 

Remove the statement, "Coveralls over short~sleeved shirt and short 

pants or," 

Add "A dust/mist filtering respirator (MSHN NIOSH 

approval number prefix TC-21C)" to thePPE requirements 

Comments c011linued on page 2 of this Notice of Registration 

SignatureofA~vingOfficial:. . fi "1'111 "IJlt 

Joanne J. MIller r ~ I V lI.J()C.(!I! Product Manager:23' ,. 

HeIbicide Branch . 

Registration Division (7 05P) 

Date: 

~~ ________________ ~ ___________ J 

---"--

72
( 

Page 2 

EPA Reg. No. 74530-25 

. Cominents, Continued: 

6. On page 2, remove, "0.50% Shai"da. Diquat Dibromide 37.3%" and replace with your product 

name. 

7.' Add the word, "exist," af.l:er «wash~b1es," 

8. Add the heading, "Etigineering Controls," to the section beginning, ''W4en handlers use 

closed systems .... " 

9. Environmental hazards sta~ent: Add the words, "or rinseate," after "wash waters." 

1 O. Make the following modificaqons to the "Conditions of Sale and Warranty" statement: 

a. Under the heading "Conditions," change the word "should" to "mtist." 

h. Add the statement, ''To the extent consistent with applicable law," to the beginnjng of 

the sentence "Helm Agro US, Inc., makes no warranties .. ,." 

c. Add $e statement, "To the extent consistent with applicable law," in front of the 

sentence beginning, ''In no event ... " 

11. Agricultural Use Requirements box: 

The restricted-entry interval for WPS uses of diquat is 7 days. Change the 

statenien~ "Do not enter .... 24 hours, " to "Do not enter or aUow worker entrY into 

~ted areas'during the restricted-entry interval (REI) of7 days." 

Remove the statement, "Coveralls over short~sleeved shirt and short pants or," 

12, Non·Agricultural Use Requirements: Change the "For terrestrial uses". statement to read, "Do 

not enter or allow others to enter treated areas until sprays have dried." 

13, There is a 24~hour swimming prohibition for waters treated with diquat, per .the diquat RED. 

The Water Use Restrictions table (page 8) needs to be modIfied to address this. Additionally, 

add a statement about postinglnotification, The following Is an example of a notification 

via posting, but other methods of notification which convey the above restr!ctions may 

be used and may be required in some cases under state.or local law or as a condition of 

a permit: 

Example; 

Posting notification should be located every 250 feet including the shoreline"of the 

treated area and up'to 250 feet of shoreline past the application site to include 

Immediate public access points. Posting must include the day and time of application. 

14. Add t)le statement, "EPA Reg, No .. 74530~25." 

Submit one copy of the final printed label before you re1e,ase the product for shipm~t. If these conditions 

are not complied with, the registration will be subject to cancellation in accordance with FIFRA seetin: ' 

6(e). A stamped copy of the label is enclosed for your records. 

Enclosure 

73
DIQUAT 

Aquatic and Landscape Herbicide 

TO PREVENT ACCIDENTAL POISONING, NEVER PUT INTO FOOD, DRINK, OR OTHER 

CONTAINERS, AND USE STRICTLY IN ACCORDANCE WITH ENTIRE LABEL 

Active Ingredient: 

Diquat dibromide [6,7-dihydrodipyrido 11,2-a:2:,1'-cl pyraziiwdilum dlbrornidel .................. 37.3% 

Other Ingredients: .....•.......................................................•.....• , ..•.. , .. , ..•.. , .......... 62.70/(1 

Total: .................................... , ........................ , .. , ................................................... 100.0% 

Contains 2 Ibs. diquat cation per gal. (3.73 lbs. diquat dibromide per gal.) 

KEEP OUT OF REACH OF CHILDREN 

CAUTION/CUIDADO 

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.) 

EPA Reg. No. 74530-2.5. 

EPA Est. No. 3742.9-GA-01 

Net Contents: 

2.5 gallons 

See addirional precautionary statements on label. 

Manufactured for 

HELM AGRO US. Inc. 8295 Tournament Drive ~ Suite 310 Memphis, Tennessee 38125 , 

-~-.. ' / 

74
75
76
77
i-- i 

L 

78
79
N~ 

u,g 

(Q; 

!..~ 

o 

:::I 

III 

80
U.S. ENVIRONMENTAL PROTECTION 

EPA Reg. Number: Date of Issuance: AGENCY ~,«'f.o STAT~", 

Office of Pesticide Programs 74530-25 f '"' ,. \~. Registration Division (7S0SP) 2 1 MAR 2jJ8 Ariel Rios Building ., d'" 

"'( IDnO'lt' 1200 Pennsylvania Ave., NW 

Washington, D.C. 20460 

Tennoflssuance: 

NOTICE OF Conditional PESTICIDE: 

2L. Registration Name of Peslicide Product: 

_ Reregistration 

(Ullder FIFRA, as amended) Helm Diquat Aquatic and 

Landscape 

Name and Address of Registrant (include ZIP Code): 

Helm Agro US, Inc. 

8295 Tournament Dr., Suite 310 

Memphis,1N 38125 

:::.N·ri~LChiwgi!$'-i~ Jabeiliiitdl#i:riIfE:m.SiIbStWic.e' from: th'ifa¢ciCFliidm:' cOiirie<Stion··with.tlliii¥ '~iO(tiQ\{:niliSrbeSiili@ffild'iq'3iid';j/:(i - rea·1iy· the> -·:·;.?i[:;:- ;;::R~iSi&tionDiYi&tOri'Prioit;;-~e~oftiiib'iab~11k~o~'b:f:bi;an;;~'~~iih'Oti:thtspittc!;.iIw~Y$McHoih2illil~e'.EPk·~;%ttirti;fu;Iiliriibef:;;·~lf; 

On the basis of informal ion furnished by the registrant, the above named pesticide is hereby registered under the Federal Insecticide, Fungicide and 

Rodenlicide Act. Registration is in no way to be construed as an endorsement orrooommendation of this product by the Agency. In order to protect 

health and the enviromnent, the Administrator, on his motion, may at any time suspend or cancel the registration ofa pesticide in accordance with the 

Act. The acceptance of any name in connection with the registration ofa product under this Act is not to be construed as giving the registrant a right to 

exclusive use of the name or to its use ;f[t has been covered by others. 

This product is registered in accordance with FIFRA sec. 3(c)(7)(A), provided that you make the following 

revisions: 

l. Change the Signal Word to "Caution," wherever it appears on the labeL 

2. Remove the statement, "Do not use this product for refonnulation," wherever it appears on the 

labeL 

3. When labels are printed, assure that "Caution" and "Keep Out of Reach of Children" meet the 

size requirements specified by 40 CFR 156.60(b)(l). 

4. Precautionary Statements- Hazards to Hmnans and Domestic Animals section: change text to 

read, "Caution. Hannful if inhaled. Hannful if swallowed. Causes moderate eye irritation. 

A void breathing spray mist. A void contact with eyes or clothing." 

5. Under the Personal Protective Equipment section: 

- Remove the statement, "Coveralls over short-sleeved shirt and short 

pants or," 

- Add "A dust/mist filtering respirator (MSHAI NIOSH 

approval number prefix TC-21 C)" to the PPE requirements 

Comments continued on page 2 oj this Notice oj Registration 

Signature of Approving OffICial: 

~. 

Date: 

Joanne 

Product 

Herbicide 

I. 

Manager 

Miller 

Branch 

23 

r ~ 2 1 WR 2]J8 

Registration Division (7 OSP) 

EPA Form 8570·6 

81
) 

Page 2 

EPA Reg. No. 74530-25 

Conunents, Continued: 

6. On page 2, remove, "0.50% Sharda Diquat Dibromide 37.3%" and replace with your product 

name. 

7. Add the word, "exist," after "washables." 

8. Add the heading, "Engineering Controls," to the section beginning, "When handlers use 

closed systems .... " 

9. Environmental hazards statement: Add tbe words, "or rinseate," after "wash waters." 

10. Make the following modifications to the "Conditions of Sale and Warranty" statement: 

a. Under the heading "Conditions," change the word "should" to "must." 

b. Add the statement, "To the extent consistent with applicable law," to the beginning of 

the sentence "Helm Agro US, Inc., makes no warranties .... " 

c. Add the statement, "To the extent consistent with applicable law," in front of the 

sentence beginning, "In no event.. ," 

11. Agricultural Use Requirements box: 

The restricted~entry interval for WPS uses of diquat is 7 days. Change the 

statement, "Do not enter .... 24 hours, "to "Do not enter or allow worker entry into 

treated areas during the restricted~entry interval (REI) of7 days." 

Remove the statemerit, "Coveralls over short~sleeved shirt and short pants or." 

12. Non~Agricultural Use Requirements: Change the "For terrestrial uses" statement to read, "Do 

not enter or allow others to enter treated areas until sprays have dried." 

13. There is a 24~hour swimming prohibition for waters treated with diquat, per the diquat RED. 

The Water Use Restrictions table (page 8) needs to be modified to address this. Additionally, 

add a statement about posting/notification. The following is an example of a notification 

via posting, but other methods of notification which convey the above restrictions may 

be used and may be required in some cases under state or local law or as a condition of 

a permit: 

Example: 

Posting notification should be located every 250 feet including the shoreline of the 

treated area and up to 250 feet of shoreline past the application site to include 

immediate public access points. Posting must include the day and time of application. 

14. Add the statement, "EPA Reg. No. 74530~25." 

Submit one copy of the final printed label before yOll release the product for shipment. If these conditions 

are not complied with, the registration will be subject to cancellation in accordance with FIFRA section 

6(e). A stamped copy of the label is enclosed for your records. 

Enclosure 

82
HELM DIQUAT Aquatic 

Draft label 7 August 2007 

HELM DIQUAT Aquatic 

ACCEPTED 

with COMMENTS 

in EPA Letter DftItd 

2 1 IAAR "-"0 j OJ," 

Under tbe Fedoral lmeclicide 

Fungicide, lind Rodenticide Ad as . amended, for the pesticide 

regrstePild under EPA Reg. No. 

Landscape and Aquatic Herbicide 

TO PREVENT ACCIDENTAL POISONING, NEVER PUT INTO FOOD, DRINK, OR OTHER 

CONTAINERS, ANO USE STRICTLY IN ACCORDANCE WITH ENTIRE LABEL. 

DO NOT USE THIS PRODUCT FOR REFORMULA TION. 

Active Ingredient: 

Diquat dibromide [6,7-dihydrodipyrido (t,2-a:2', 1'-c) 

pyraz1nediium dibromidej 

Other Ingredients: 

T"" 

3T.3% 

62.7% 

100.0% 

Contains 2lbs. diquat cation per gal. (3. 731bs. diqual dfbromide per gal.) 

KEEPOUTOFREACHOFCH~DREN. 

WARNING/AVISO 

Sf us/ed no en/iende ta etiqu8ta, busque a a/guien para que se la explique a usted en delalle. (If 

you dO not understand the label, find someone to explain it to you in delail.) 

See additiOnal precautionary s1alemenls on label. 

EPA Reg. No. 74530-

EPAEst 

_gallons 

Net Contents 

Manufactured for: Helm 

AgroUS >, ;" 

8295 Tournament C1. 

Suite #310 , 

Memphis, TN 38125 " 

N 5" "30-J S-

. "}') > , 

. . ", ' ,}, 

,', , , ., 

" , 

Page 1 01 to 

83
HELM DIQUAT Aquatic 

Draft label 7 August 2007 

HELM DIQUAT Aquatic 

FIRST AID 

Ifon skin or • Take off contaminated clothing. clothing • Rinse skin immediately with plenty of water for t5·20 minutes. 

• Call a poison control center or doctor for treatment advice. 

If in eyes • Hold eye open and rinse slowly and genUy with water for 15·20 minutes. 

• Remove contact lenses, if present, after the first 5 minutes, then continue 

rinsing eye. 

• Call a poison control center or doctor for treabnent advice. 

If swallowed • Call a polson control center or doctor immediately for treatment advice. 

• Have person Sip a glass ofwater If able to swallow. 

• Do not induce vomiting unless told to do so by the poison control center or 

doctor. 

·00 not give anything by mouth to an unconscious person. 

l!inhaled • Move person to fresh air. 

• If person is not breathing, call 91t or an ambulance, then give artificial 

respiration, preferably mouth-to-mouth, if possible. 

• Call a poison control center or doctor for further treatment advice. 

NOTE TO PHYSICIANS 

To be effective, treatment for diquat poisoning must begin IMMEDIATELY. Treatment consists of 

binding diquat in the gut with suspensions of activated charcoal or bentonite clay, admintstration 

of cathartics to enhance elimination, and removal of diquat from the blood by charcoal hemoperfusion or continuous hemodia lysis. 

Have the product container or label with you when calling a poison control center or doctor, or 

going for treatment. 

For 24-Hour Medical Emergency Assistance (Human 

or Animal) or Chemical Emergency Assistance (Spill, Leak, 

Fire, or Accident), Call (303) 623-5716 (Rocky Mountain 

Poison Control Center) 

For Transportation Emergencies: Call ChemTrec at (SOO) 

424-9300. 

PRECAUTIONARY STATEMENTS 

Hazardsto Humansand DomesticAnimais 

WARNING I AVISO 

May be fatal if absorbed through skin. Harmful if swallowed or inhaled. Causes substantial, but 

temporary, eye injury. Causes skin irritation. Contact with irritated skin, or a cut, or repeated contact 

with intact skin may result in poisoning. Do not get in eyes, on skin, or on clothing. Avoid breathing 

vapor or spray mist. Do not feed forage from treated crops to !!vestock. Keep livestock and pets out 

of treated fields and crop areas. 

Personal Protective Equipment (PPE) 

Some materials that are chemical-resistant to this product are: banier laminate, butyl rubber >14 mils, 

nitrile rubber >14 mils. If you want more options, follow the instructions for Category A on an EPA 

Chemical Resistance Category Selection Chart. 

Mixers, Loaders, Applicators and other handlers must wear: 

• Coveralls over short,sleeved shirt and short pants or coveralls over long-sleeved shirt and long 

pants 

• Chemical-resistant gloves 

• Chemical-resistant footwear plus socks 

Protective eyewear 

Chemical-reSistant headgear for overhead exposure 

Chemical-resistant apron when cleaning equipment, mixing, or loading 

Face sh'!9ld ....nen mixing or loading 

Exception: After this product has been diluted to 0.50% Sharda Oiquat Dibromide 37.3% or less In 

water (i.e., the labeled rate for some spot applications), applicators for AQUATIC SURFACE 

APPLICATIONS mJst, at a minimum, wear (Note - Mixers and Loaders for this application method 

must still wear the personal protective equipment (PPE) as described in the above section): 

• Long-sleeved shirt and long pants 

• Shoes plus socks 

Waterproof gloves 

• Protective eyewear 

Page 2 of 10 

84
HELM DlQUAT Aquatic 

rlELM DIQUAT Aquatic 

Draft label 7 August 2007 

Exception: />J. a minimum. applicators for AQUATIC SUBSURFACE APPLICATIONS must wear (NoteMixers and Loaders for this application method must still wear the personal protective equipment (PPE) as described In the above section): 

• Short-sleeved shirt and short pants 

• Waterproof gloves 

• Chemical-resistant footwear plus socks 

Discard clothing and other absorbent materials that have been drenched or heavily contaminated 

with this product's concentrate. Do not reuse them. Follow manufacturer's instructions for cleaning! 

maintaining PPE. If no such instructions for washab!es exist, use detergent and hot water. Keep and 

wash PPE separately from other laundry. 

Engineering Control Statements 

Mixers and loaders supporting aerial applications are required to use closed systems that provide 

dermal protection. The closed system must be used in a manner that meets the requirements listed in 

the Worker Protection Standard (WPS) for agricultural pesticides 140 CFR 170.240(d)(4)1. When using 

the closed system, mixers and loaders' PPE requirements may be reduced or modified as specified in 

lheWPS. 

When handlers use closed systems, enciosed cabs. or aircraft in a manner that meets the requirements 

listed In the Worker Protection Standard (WPS) for agricultural pesticides 140 CFR 170.240(d)(4-6)!, the 

handler ppE requirements may be reduced or modified as speCified in the WPS. 

User Safety Recommendations 

Users should: 

• Wash hands before eallng. drinking, chewing gum, using tobacco, or using the toilet. 

Remove clothinglPPE immediately if pesticide gets inside. Then wash thoroughly and put on 

clean clothing. Prolonged contact of the product with the skin may produce bums. 

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. 

Environmental Hazards 

This pesticide is toxic to aquatic invertebrates. For Terrestrial Uses. 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. For Aquatfc Uses do not apply 

directly to water except as specified on this label. 

COND TlONS oP;SAEEMiNO UIMITATlPJ'tOE WARRANTY AND "lABILITY 

NOTICE: Read the entire Directions for Use and Conditions of Sale and Limllation of Warranty and 

Liability before buying or using this product. If the terms are not acceptable, return the product at 

once, unopened, and the purchase price will be refunded. 

The Directions for Use of this product should be followed carefully. It is impossible to eliminate all risks 

inherently associated with the use of this product. Crop injury, ineffectlveness or other unintended 

consequences may result because of such factors as manner of use or application, weather or crop conditions, presence of other materials or other influencing factors in the use of the product, which are 

beyond the control of HELM AGRO US, INC. or Seifer. All such risks shall be assumed by 

Buyer and User, and Buyer and User agree to hold HELM AGRO US, INC. and Seller harmless for any 

claims relating to such factors. 

HELM AGRO US, INC. warrants that this product conforms to the chemical description on the label 

and is reasonably fit for the purposes stated in the Directions for Use, subject to the inherent risks 

referred to above, when used in accordance with directions under normal use conditions. This warranty 

does not extend to the use of the product contrary to label instructions, or under abnormal conditions 

or under conditions not reasonably foreseeable to or beyond the control of Seller or HELM AGRQ US, 

INC., and Buyer and User assume the risk of any such use. HELM AGRO US, INC. MA.KES NO 

WARRANTIES OF MERCHANTABILITY OR OF FfTNESS FORAPARTICUI..AR PURPOSE NCRAN'( 0'T1-ER 

EXPRESS OR IMPUEDW/>P.fWoITYEXCEPT p.s STATEDABO\IE. 

In no event shall HELM AGRO US. INC. or Seller be liable for any incidental, consequentlal or special 

damages resulting from the use or handling of this product. THE EXCLUSIVE REMEDY OF THE USER OR 

BUYER, AND THE EXCLUSIVE LIABILITY OF HELM AGRO US, INC.AND SELLER FOR ANY AND ALL 

CLAIMS, LOSSES, INJURIES OR DAMAGES IINCLUDING CLAIMS BASED ON BREACH OF WARRANTY, 

CONTRACT, NEGLIGENCE, TORT, STRICT UABIUTY OR OTHERWISE) RESULTING FROM THE USE OR 

HANDLING OF THIS PRODUCT, SHALL BE THE RETURN OF THE PURCHASE PRICE OF THE PRODUCT 

OR, AT THE ELECTION OF HELM AGRO US, INC. OR SELLER, THE REPLACEMENT OF THE PRODUCT. 

HELM AGRO US, INC. and Seller offer this product, and Buyer and User accept it, subject to the 

foregoing conditions of Sale and Limitations of Warranty and Liability, which may not be modified 

except by written agreement slgned by a duly authorized representative of HELM AGRO US, INC .. 

DIRECTIONS FOR USE 

It is a violation offederal law to use this product in a manner inconsistent with its labellng. 

READ ENTIRE LABEL USE STRICTLY IN ACCORDANCE WITH PRECAUTIONARY STATEMENTS AND 

DIRECTIONS, AND WITH APPLICABLE STATE AND FEDERAL REGULATIONS. 

Page 3 of to 

85
HELM DIQUAT Aquatic 

Do not apply this product through any type of irrigation system. 

HELM DIQUAT Aquatic 

Draft label 7 August 2007 

Do not apply this product In a way that will contact workers or other persons, either directly or 

through drift. Only protected handlers may be in the area during application. For any requirements 

specific to your State or Tribe, consult the agency responsible for pesticide regulation. 

AGRICULTURAL USE REQUIREMENTS 

Use this product only in accordance with its labeling and with the Worker Protection Standard, 

40 CFR part 170. This Standard contains requirements for the protection of agricultural workers 

on fanns, 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 

24hoUfS. 

PPE required for early entry to treated areas that is permitted under the Worker Protection 

Standard and that involves contact with anything that has been treated, such as plants, soil, or 

water is: 

Coveralls over short-sleeved shirt and short pants, orcoveraJis over long-sleeved shirt and long 

pants 

Chemical-resistant gloves made of any waterproof material 

Chemical-resistantfoo\wear plus socks 

Protective eyewear 

Chemlcal-resistant headgear for overhead exposure 

NON-AGRICULTURAL USE REQUIREMENTS 

The requirements in this box apply to uses of this product that are NOT wHhln the scope of the 

Worker Protection Standard for agricultural pesticides (40 CFR part 170). The WPS appnes when this 

product is used to produce agricultural plants on fanns, forests, nurseries, or greenhouses. 

Keep all unprotected persons out ofoperating areas or viCinity where there may be drift. 

For terrestrial uses, do not enter or allow entry of maintenance workers into treated areas, or 

allow contact with treated vegetation wet with spray, dew, or rain, without appropriate protective 

clothing until spray has dried. 

For aquatic uses, do not enter treated areas v.tIile treatments are in progress. 

STORAGE AND DISPOSAL 

Do not contaminate water, food, or feed by storage or disposal. 

Pesticide Storage 

Keep pesHcide in original container. Do not put concentrate or dilute into food or drink containers. 

Do not contaminate feed, foodstuffs, or drinking water. Do not store or transport near feed or food. 

Store at temperatures above 32°F. For help with any spill, leak, fire, or exposure involving this material, call CHEMTREC at (BOO) 424-9300. 

Pesticide Disposal 

Open dumping is prohibited. Pesticide wasles are toxic. Improper disposal of excess pesHcide, spray 

mixture, or rinsate is a violation of federal law. If these wastes cannot be disposed of by use according to label instructions, contact your State Pestlcide or Environmental Control Agency, or the Hazardous Waste representaHve at the nearest EPA Regional Offieafor guidance. 

Container Disposal 

Do not reuse container. Triple rinse (or equivalent). Then offer for recycling or reconditioning, or puncture and dispose of in a sanitary landfill, or incineration, or if allowed by State and local authorities, 

by burning. If burned, stay out of smoke. 

For Bulk And Mini-Bulk Containers 

When the container is empty, replace the cap and seal all open·lngs that have been opened during use 

and return the container to the point of purchase, or to a designated location named at the time of 

purchase ofthis product. This container must be refilled with this pesticide product. DO NOT REUSE 

Page 4 of 10 

86
HELM D1QUAT Aquatic 

HELM DIQUAT Aquatic 

Draft label 7 August 2007 

THE CONTAINER FOR ANY OTHER PURPOSE. Prior to refilling, inspect carefully for damage such as 

cracks, punctures, abrasions, worn-out threads and closure devices. Check for leaks after refilling and 

before transporting. Do not transport if this container is damaged or leaking. If not returned to the 

point of purchase or to a designated location, triple r'lnse emptied container and offer for recycling. 

Disposal of this container must he in compliance with state and local regulations. 

For minor spills, leaks, etc., follow all precautions indicated on this label and clean up immediately. 

Take special care to avoid contamination of eqUipment and facilities during cleanup procedures and 

disposal of wastes. 

CONTAINER IS NOT SAFE FOR FOOO, FEEO, OR ORINKINGWATERI 

SPECIFIC USE DIRECTIONS 

HELM DIQUAT Aquatic is a nonvolatile herbicidal chemical for use as a general 

herbicide to control weeds in commercial greenhouses and nurseries; omamental seed crops 

(flowers, bulbs, etc. - except in the state of California); landscape, industrial, recreational, commercial, 

residential, and public areas; turf renovation (aU turf areas except commercial sod farms); dormant 

established turfgrass (bermudagrass, zoysiagrass - nonfood or feed crop); and aquatic areas. 

Absorption and herbicidal action is usually quite rapid wlth effects visible in a few days. HELM 

DIQUAT Aquatic controls weeds by interfering with photosynthesis within green 

plant tissue. Weed plants should be succulent and actively growing for best results. Rinse all spray 

equipment thoroughly with water after use. Avoid spray drift to crops, ornamentals, and other desirable plants during application, as injury may result. Application to muddy water may result in reduced 

control. Minimize creating muddy water during application. Use of dirty or muddy water for Sharda 

Diquat Dibromide 37.3% dilution may result in reduced herbicidal activity. AVOid applying 

under conditions of high wind, water flow, or wave action. 

SPRAY DRIFT MANAGEMENT 

AVOiding spray drift at the application site is the responsibility of the applicator and the grower. The 

interaction of many equipment- and weather-related factors determine the potential for spray 

drift. The appflcator and the grower are responsible for considering all these factors when making 

decisions. 

The following drift management requirements must be followed to aVOid Off-target movement from 

aerial applications to agricultural field crops. These reqUirements do not apply to forestry applications, public health uses, or to applications using dry formulations . 

• The distance of the outermost nozzles on the boom must not exceed 3f4 the length of the 

wingspan or rotor . 

• Nozzles must always point backward parallel with the air stream and never be pointed downward more than 45 degrees. 

Where states have more stringent regulations, they should be observed. 

Droplet Size 

The most effective way to reduce drift potential is to apPly large droplets. The best drift management 

strategy is to apply the largest droplets that provide sufficient coverage and control. Applying larger 

droplets reduces drift potential, but will not prevent drift if applications are made improperly, or 

under unfavorable environmental conditions (See Wind, Temperature and Humidity, and Temperature 

inversions). 

Controlling Droplet Size 

• Volume - Use high flow rate nozzles to apply the highest practical spray volume. Nozzles with 

higher rated flows produce larger droplets. 

• pressure - Do not exceed the nozzle manufacture~s recommended pressures. For many nozzle types, 

lower pressure produces larger droplets. When higher flow rates are needed, use higher flow rate 

nozzles instead of increasing pressure. 

• Number of Nozzles - Use the minimum number of nozzles that provide uniform coverage. 

Nozzle Orientation - Orienting nozzles so that the spray is released parallel to the airstream 

produces larger droplets than other orientations and is the recommended practice. Significant 

deflection from horiZontal will reduce droplet size and increase drift potential. 

• Nozzle Type - Use a nozzle type that is designed for the intended application. With most nozzle 

types, narrower spray angles produce larger droplets. Consider using 10000rift noZZles. Solid stream 

nozzles oriented straight back produce the largest droplets and the lowest drift. 

Boom i.engIh 

For some use patterns, reducing the effective boom length to less than 'f4 of the wingspan or rotor 

length may further reduce drift without reducing swath width. 

Application Height 

AppUcations should not be made at a height greater than 10 ft. above the top of the target plants, 

unless a greater height is required for aircraft safety. Making applications at the lowest height that is 

safe reduces exposure of droplets to evaporation and wind. 

swath Adjustment 

Page 5 of 10 

87
HELM DlaUAT Aquatic 

HELM DIQUAT Aquatic 

Oraft label 7 August 2007 

When applications are made with a crosswind, the swath wifl be displaced downwind. Therefore, on 

the up and downwind edges of the field, the applicator must compensate for this displacement by 

adjusting the path of the aircraft upwind. Swath adjusbnent distance should increase with increasing 

drift potential (higher wind, smaller drops, etc.). 

Wmd 

Orift potential is lowest between wind speeds of 2-to mph. However, many factors, including droplet 

size and equipment type, determine drift potential at any given speed. Applicatlon should be 

avoided below 2 mph due to variable wind direction and high inversion potential. Note: Local terrain 

can influence wind patterns. Every applicator should be familiar with local wind patterns and how 

they affect spray drift. 

Temperature and Humidity 

When making applications in low relative humidity, set up equipment to produce larger droplets to 

compensate for evaporation. Oroplet evaporation is most severe when conditions are both hot and 

d~. 

Temperature Inversions 

Applications should not occur during a temperature inversion because drift potential is high. 

Temperature Inversions restrict vertical air mixing, which causes small suspended droplets to remain 

in a concentrated cloud. This cloud can move in unpredictable directions due to the light variable 

winds common during inversions. Temperature inversions are characterized by increasing temperatures with altitude and are common on nights with limited cloud cover and light to no wind. They 

begin to form as the sun sets and often continue into the morning. Their presence can be indicated 

by ground fog, however, if fog is not present inversions can also be identified by the movement of 

smoke from a ground source or an aircraft smoke generator. Smoke that layers and moves laterally in 

a concentrated cloud (under low wind conditions) indicates an inversion, while smoke that moves 

upward and rapidly dissipates indicates good vertical air mixing. 

Sensitive Areas 

The pesticide should only be applied when the wind is blowing away from adjacent sensitive areas 

(e.g., residential areas, bodies of water, known habitat for threatened or endangered species, nontarget crops). 

COMMERCIAL GREENHOUSES AND NURSERIES 

For general weed control in commercial greenhouses (beneath benches), field grown and container 

stock, and other similar areas, HELM OIQUAT Aquatic may be applied preplant or 

postplant preemergence in field grown ornamental nursery plantings or poslemergence as a directed 

spray. HELM DIQUAT Aquatic may also be applied preemergence in omamental 

seed crops (except in the state of california). Avoid contact with desirable foliage as injury may occur. 

Do not use on food or feed crops. 

Spot spray: t-2 qls. HELM DlQUAT Aquatic plus the labeled rate of a 75% or greater 

nonionic surfactant per 100 gals, of water, or 0.75 oz. (22 mis.) HELM DIQUAT Aquatic plus the 

labeled rate of a 75% or greater nonionic surfactant per 1 gal. of water. 

Broadcast: 1-2 pis. HELM DIQUAT Aquatic in a minimum of t5 gals, of water per 

acre. Add the labeled rate of a 75% or greater non ionic surfactant per fOO gals, of spray mixture. Use 

an adequate spray volume to insure good coverage. 

ORNAMENTAL SEED CROPS (FLOWERS, BULBS, ETC.) EXCEPT IN THE STATE OF CAUFORNIA 

For preharvest desiccation of omamental seed crops, NOT FOR FOOD OR RBER CROPS. 

Broadcast (Air or Ground): 1.5-2 pts. HELM D1QUAT Aquatic plus the labeled rate 

of a 75% or greater nonionic surfactant per acre in sufficient water (minimum of 5 gals, by air; 15 gals, 

by ground) for desiccation and weed bumdown. Repeat as needed at no less than 5-day Intervals up 

to three applications. Do not use seed, screenings, orwaste as feed or for consumption. 

DIRECTIONS FOR LANDSCAPE, INDUSTRIAL, RECREATIONAL, COMMERCIAL, RESIDENTIAL, 

AND PUBLIC AREAS 

HelM D1QUAT Aquaflc provides fast control of broadleaf and grassy weeds in 

industrial, recreational, golf course, commercial, residential, and public areas. 

HELM OIauAT Aquatic is a nonselective herbicide that rapidly kills undesirable 

above ground weed growth in 24-36 hours. Avoid application of Sharda Diquat Dibrmoide 37.3% 

SL to desirable plants. 

HELM OIQUAT AquaUc is a contact/desiccant herbicide: it is essential to obtain complete coverage of the target weeds to get good control. Improper application technique and/or appli· 

cation to stressed weeds may result in unacceptable weed control. For best results, apply to actively 

growing, young weeds. 

Difficult weeds (such as perennial or deeplY-rooted weeds) can often be controlled by tank mixing 

HELM D1QUAT Aquatic with other systemic-type herbicides. Refer to other product 

labels for specific application directions. 

For residual weed control, tank mix HELM OIQUAT Aquatic with a preemergent 

herbicide labeled for the 'Intended use site. When mixing HELM DIQUAT Aquatic 

with another herbicide, it is recommended to mix just a small amount first to determine if the mixture is physically compatible before proceeding with larger volumes. 

Page 6 of to 

88
HELM DlQUAT Aquatic 

HELM DIQUAT Aquatic 

Draft label 7 August 2007 

Helm Agro US, Inc. has not tested all possible tank mixtures with other herbicides for compatibility, 

efficacy or other adverse effects. Before mixing with other herbicides Sharda recommends you first 

consult your state experimental station, state university or extension agent. 

Grounds maintenance weed control: HELM DIQUAT Aquatic can be used as a spot 

or broadcast spray to control weeds in public, commercial and reskfentiallandscapes, including landscape beds. lawns, golf courses and roadsides. HELM DIQUAT Aquatic can also be 

used for weed control around the edges and nonflooded portions of ponds, lakes and ditches. 

Trim and Edge weed control: HELM DlQUAT Aquatic can be used to eliminate undesired grass and broad leaf plant growth in a narrow band along driveways, walkways, patios, cart paths, 

fence lines, and around trees, ornamental gardens, buik:lings, other structures, and beneath noncommercial greenhouse benches. Vegetation control with HELM DIQUAT Aquatic is 

limited to the spray application width. Do not exceed the labeled rate of HELM DIQUAT Aquatic as 

excessive rates may result in staining of concrete-based materials. 

HELM DIQUAT Aquatic, since it does not translocate systemically, can be used as an 

edging or pruning tool when precisely applied to select areas of grass or to undesirable growth on 

desirable ornamental bedding plants, ground covers, etc. 

Industrial weed control: HELM DIQUAT Aquatic can be used as a spot or broadcast 

spray either alone or in combination with other herbicides as a fast burndown or control weeds in 

rights-of-ways, railroad beds/yards, highways, roads, dividers and medians, parking lots, pipelines, 

pumping stations, public utility lines, transformer stations and substations, electric utilities, storage 

yardS, and other non-crop areas. 

Spot spray: Apply either 1-2 qts. of HELM DIQUAT AquatiC plus the labeled rate of 

a 75% or greater nonionic surfactant per tOO gals, water, or 0.75 oz. (22 mis.) HELM DIQUAT Aquatic 

plus the labeled rate of a 75% or greater nonionic surfactant per 1 gal. of water. 

Broadcast: t-2 pts. HELM DIQUAT Aquatic per acre in sufficient water to insure 

good spray coverage. Add the labeled rate of 75% or greater nonionic surfactant per 100 gals, spray 

mixture. Greater water volumes are necessary if the target plants are tall and/or dense. It is recommended that 60 gals, or greater water volume be used to obtain good coverage of dense weeds. 

TURF RENOVATION (ALL TURF AREAS EXCEPT COMMERCIAL SOD FARMS) 

To desiccate golf course turf and other turf areas prior to renovation, apply 1-2 pts. of HELM 

DIQUAT Aquatic per acre plus the labeled rate of a 75% or greater nonionic surfactant in 20-100 gals, of water (4 teaspoons of HELM DIQUAT Aquatic plus the 

labeled rate of a 75% or greater non ionic surfactant per 1 gal. of water) using ground spray equipment. Apply for full coverage and thorough contact with the turfgrass. Apply only when the turf is 

dry, free from dew and incidental moisture. For enhanced turf desiccation, especially in the case of 

thick turfgrass, water volumes should approach 100 gals, of water per acre. 

For suppression of regrowth and quick desiccation of treated turfgrass, Sharda Diquat Dibromide 

37.3% may be mixed with other systemic nonselective or systemic postemergence grassy 

weed herbicides. Refer to other product labels for specific application directions and restrictions. 

Avoid spray contact with, or spray drift to, foliage of ornamental plants or food crops. 

Do not graze livestock on treated turf or feed treated thatch to livestock. 

DORMANT ESTABUSHED TURFGRASS (BERMUDAGRASS, ZOYSIAGRASS), NONFOOD DR 

FEED CROP 

For control of emerged annual broad leaf and grass weeds, including Little Bar1ey", Annual Bluegrass, 

Bromes including Rescuegrass, Sixweeks fescue, Henbit, Buttercup, and Carolina Geranium in established donnant bennudagrass lawns, parks, golf courses, etc. 

Apply 1-2 pts. HELM DIQUAT Aquatic per acre in 20_100 gals, of spray mix by 

ground as a broadcast application. Add the labeled rate of a 75% or greater nonionic surfactant per 

tOO gals, of spray mixture. 

Bermudagrass must be dormant at application. Application to actively growing bermudagrass may 

cause delay or pennanent injury. Users in the extreme Southern areas should be attentive to the 

extent of donnancy at the time of application. 

*For control of Little Bar1ey, apply HELM DIQUAT Aquatic prior to the mid-boot 

stage. 

AQUATIC USE DIRECTIONS 

New York - Notfor Sale or Use in New York State without Supplemental Special Local Needs 

Labeling. 

Necessary approval and/or permits must be obtained prior to application if required. Consult the 

responsible State Agencles (i.e., Fish and Game Agencies, State Water Conservation authorities, or 

Department of Natural Resources). 

Treatment of dense weed areas may resuK in oxygen loss from decomposHion of dead weeds. This loss 

of oxygen may cause fish suffocation. Therefore, treat only 1/3 to 1/2 of the water body area at one 

time and waH 14 days between treatments. 

For best results on submersed weeds, HELM DIQUAT Aquatic shouk:! be applied to 

Page 7 of 10 

89
HELM DIQUAT Aquatic 

Draft label 7 August 2007 

HELM DIQUAT Aquatic 

actively growing (photosynthesizing) weeds when water temperatures have reached or exceeded 

approximately 50"F, typically during the Spring or early Summer. 

For appilcation only to still water (i.e. ponds, lakes, and drainage ditches) where there is minimal or 

no outflow to public waters. 

andJor 

For applications to public waters in ponds, lakes, reservoirs, marshes, bayous, drainage ditches, canals, 

streams, rivers, and other slow-moving or quiescent bodies of water for control of aquatic weeds. For 

use by: 

• Corps of Engineers; or 

• Federal or State Public Agencies (Le., Water Management District personnel, municipal officials); 

• Applicators " il11d/or Licensees (Cerflfied for aquaflc pest control) that are authorized by the State 

or Local govemmenL 

Treated water may be used according to the following table or until such time as an approved assay 

(example: PAM II Spectromatic Method) shows that the water does not contain more than the designated maximum contaminant level goal (MCLG) of 0.02 mg/l. (ppm) of diquat dibromide (calculated 

as the cation). 

Water Use Restrictions Following Applications With HELM DIQUAT Aquatic (Cays) 

Application Rate Drinking FIShing l.WestocW Spray Tank Spray Tank 

.... Domeotic Applications .... ApplicationsSWimming Animals and Irrigation to and Irrigation to 

eon.umption Turfand Food Crops and 

""""""'" Productk>n 

Ornamentals Omamentals 

2 galsJsurface acre 3d", a ,,,,, '"'' 5 days 

1 gal./surface acre 2 days a 1 doy 2"" 5'." 

0.75 gal./surface acre 2 days 0 1 "" 2da" 5"" 

0.50 galJsurface acre 1d'Y 0 1 "y 1 day 5"" 

Spot Spra~ « 0.5 1 day a 1 day 1 day 5"" 

gaL/surface acre) 

'Add a nonlonrc surfactant (WIth at least 75% of the constItuents actIVe as a spray adluvant) at the 

rate recommended by the manufacturer. 

··For preparing agricultural sprays for food crops, turf or ornamentals (to prevent phytotoxicity), do 

not use water treated with HELM DlQUAT Aquatic before the specified time 

period. 

When the contents of more than one spray tank is necessary to complete a single aquatic application, 

no water holding restrictions apply between the consecutive spray tanks. 

No applications are to be made in areas where commercial processing of fish, resulting in the production of fish protein concentrate or fish meal, is practiced. Before application, coordination and 

approval of local and/or State authorities must be obtained. 

Floating and Marginal Weeds Including: 

Water lettuce, Pistia slrefiofes 

Water hyacinth, Eichhomia crassipes 

Duckweed, Lemna spp. 

Salvinla spp. (including S. moIesta) 

Pennywort (Hydrocoty/e spp.) 

Frog's Bie, Umnobium spongia 

Cattails, Typha spp. 

l Not for use in California 

HELM DIQUAT Aquatic may be applied by backpack, aimoat, spray handgun, helicopter, airplane, or similar application equipment that results in thorough spray coverage. 

Spot Treatment: Apply HELM DIQUAT Aquatic at 2 quarts per 100 gallons spray 

carrier (0.5% solution) with an approved aquatic wetting agent at 0.25-1.0% v/v (1 quart to 1 gallon 

per tOO gallons water). For cattail control, HELM DIQUAT Aquatic should be applied 

prior to flowering at the maximum application rate (8 quarts of HELM DlQUAT Aqualicl100 gallons 

spray carrier) plus the wetting agent. Repeat treatments may be necessary for 

complete control. 

Spray to completely wet target weeds but not to runoff. Densely packed weeds or mats may require 

a:ldillonal appllcations due to incomplete spray coverage. Re-lreat as needed. For best results, re-lreat 

weed escapes within 2 weeks of the initialtreatmenl. 

Page 8 of 10 

90
HELM DIQUAT Aquatic 

HELM DIQUAT Aquaflc 

Draft label 7 August 2007 

Broadcast Treatment: Apply HELM DIQUAT Aquatic at the rate of 0.5-2.0 gallons 

per surface acre in sufficient carner along with 16.32 oz.lA of an approved wetting agent. Re-treat as 

necessary for densely populated weed areas. Good coverage is necessary for control of the target 

wood,. 

For duckweed control, apply HELM DIQUAT Aquatic at t-2 gallons/A. 

Submersed Weeds Including: 

Bladderwort, utricufaria spp. 

Hydrilla, Hydriffa verticiflata 

Watermilfoils (including Eurasian), Myriophyl/umspp. 

Pondweeds', PotamogetDtJ spp. 

Coontail, Ceratophyffum demersum 

Elodea, Elodea spp. 

Brazilian Elodea, lEgeria densa 

Na~d, Najas spp. 

Algae2, Spirogyra spp. and Pithophora spp. 

, HELM DIQUAT Aquatic controls Potamogetan species except Richardson's 

pondweed, P. richardsonii. 

2Suppression only. For control of Spirogyra and/or Pifhophora, use HELM DIQUAT Aquatic 

in a tank: mix with an approved algaecide. 

For severe weed or algae infestations, the use of an approved algaecide either as a pretreatment to 

the HELM DIQUAT Aquatic application or in a tank mix, may result in enhanced 

weed control. 

To control submersed weeds, apply HELM DIQUAT Aquatic in water at 0.5-2.0 

gallons per surface acre (per 4 foot water depth). For severe weed infestations, use the 2.0 gallon per 

surface acre rate. For best resu!ts, re-treat as necessary on t4-2 t day inteNals. The table below shows 

how many gallons of HELM DIQUAT Aquatic to apply per surface acre based on 

water depth 

Gallons of HELM DIQUAT Aquatic per Surface Acre 

Average Water Depth 

1 Foot 2F'" 3 Foot 4 Foot 

t gallon/acre rate 0.25 gal. 0.50 gal 0.75 gal. 1.0 gal. 

2 gallon/acre rate 0.50 gal. 1.0 gal. 1.5gals. 2.0 gals. 

Note: For water depths of2 feet or less including shorelines, do not exceed 1 gallon per surface acre. 

Subsurface Applications: Where the submersed weed growth, especially Hydr~la, has reached the 

water surface, apply either in a water carrier or an invert emulsion through boom trailing hoses 

carrying nozzle tips to apply the dilute spray below the water surface to insure adequate coverage. 

Bottom Ptacement: Where submersed weeds such as Hydrilla, Bladderwort, or Coontail have reached 

the water surface and/or where the water is slowly moving through the weed growth, the use of an 

invert emulsion carrier in;acting diluted HELM DIQUAT Aquatic near the bottom 

with weighted hoses may improve control. The addition of a copper based algaecide may improve 

control. If algae are present along Wlth the submersed weeds, a pretreatment with a copper based 

algaecide may improve overall control. 

Surface Appl!cation for Submerged Aquatic Weeds: Apply the recommended rate of HELM DlQUAT 

Aquatic as a spray in sufficient carrier to fully cover the target area. Applications 

should be made to ensure complete coverage of the weed areas. In mixed weed populations, use the 

high rate of application as indicated by weeds present. For dense submersed weeds or water over 2 

feet deep, a surface spray is not recommended (HELM DIQUAT Aquatic should be 

appl"led subsurface in these situations.) 

If posting is roquircd by your statc or tribe. consult the agency responsible for postlcido regulations 

for specific details. 

Page 9 of to 

91
HELMDIQUAT 

AQUATIC 

Landscape and 

Aquatic Herbicide 

TO PRevENT ACCIDENTAL P0150NING, 

NEVER PUT INTO FOOD, DRINK, OR 

OT~ER CONTAINERS, AND UU URICTLY 

IN ACCORDANCE WITH ENTIRE LAlltt.. 

00 NOT USE THIS PRODUCT FOR REFOR. 

MULATION. 

ActlYe InQ",dicnl, 

Dldu'l dlbromldolf!.7·dinydro<liPiMO 

(t ,2..0:2'",<) fl)<ra!inedii"m 

dib<cmldol ._ ......... _ .... ,' ...... ,"""" , ...... ,. ,. ,. ___ 37.3% 

OI~Cflnp,O<Ii.ot>; 62.7% 

T01,I, 100,0% 

Coni,".,. ,~ •. diqu01 co~." per gal. (3,Y31"<_ 

diqu.1 d,bromido de, gal) 

so •• "",~oOOl d~<'Ilo",'l' 01"",,,.,,,, 00 , ••• " 

AGRICULnlRAL. USE 

REOUIREMENTS 

U,. Ihi' ~u" only In ,;:coNl.nc. w~n It. 

I.bollng and wi", 'no W.'~.' P,.,eotion 

Stan""",. 4d CFR pa~ I7D. R.fer 10 ,uddt .. 

men,"1 I.b'~"g oM., "Agneullur.1 U,. 

Rcqui,omonl'" in In. Dlfscti""" for U.o 

"Olio" lor '"I"I'm.llon ,Iiou' Int. "a"do",. 

_gallons 

Net Contents 

Manufactured for: 

Helm Agro US, Inc. 

P.O. Box 640 

Hockessin, Delaware 

KEEP OUT OF REACH 

OF CHILDREN. 

WARNINGI 

AVISO 

SI UOl«l"" _0 ~ etJqoot., biJ>q<Je a ~u"'o 

~"'_"""""fIIiquoo_O<1_.(lIyoudo 

00l unclerotlr1<l the Ill .. , fin<! _ ~ O>PI0i. i 

10 you "' dot'~,) 

FIRST AID ~ 00 oklo or <lOt~in~; T .... off ""nlamlnaled 0l0i .. 

log. "'OSe ,ki" immOillaleiy ""I' dlOOIy 0' .... I.r lor ,S.20 "'n..to<' COO 0 po, .. " coOIrol _er or dodor to; 11'0_ _. 

~ 10 eye': ~otd 'YO 01"" oM ri ... $lOWI)' ornl 

i>Onlly WIIh "'lor for 1S.:m mIn..to<' R."""", "" .. 1001 10""",1_ a1\ortlto 1IroI, _. \hen 

"""~n,,.~""'" oyo, COIl 01""""" conIrol ",nlOr or ooctOr to; II'0000tfll _. 

~ sw.l11l'WGl!: Coli 0 poiMn OOOlrol ",,0I0r ordoctor iYIrno<UtoIy ror~ _. Havo peoon sis>' 

gill,. of _, ~ obi. 10 :;WOllOw. Do "'" rod"", 

"","ii,,!! unless IOId 10 00 SO Ily the poi,O" oonlrnl "".1 ... or _r, 00 oct gMl a<¥h"'o' tIy mouth to 

a"~_, 

n_Move_tofnl"'aIr.~pc,"",,!5 not t>I'OOIhing,OO!j~ll ",oo_"",.tho.g ... om. r.ciol '''PirotiO<1. prelernbly mOOlIH""""'uth. il pO<I;ibfe, Call a pMoO oontrol oom., 0' doctor fer 

t..1horlrootmOnl_. 

NOTE TO PHYSICIANS: TOM OIfO<We._ lor <JiQu .. _fill muslllO!lin lMM&llllT£LY, 

T",."m'fI1 """~!U 01 t'nclmg <IiqoOl '" tho gut..." ""'PC"""'" 01 """"'ed <Itan>ooI or 1>On!0I'IIIe clay, 

admil'li:llrO!lOn 0/ <IiIhII<1iI:> to .... """ ei1mIlllliOo. .nd ro""",,1 01 OiquOl lrom the blood by <11.""",1 

I\emOpll""""o or 00IItii100.. ftomO<lIlliySt>. 

H""" th, """'otI oonl'''''r ",-1111>01 WIIh )'Ou wtI"" 0IlJin(j a pOioon totOt\lI ooot .. or _. «goi"ll fer 

~moOl, Fo.- 24-lIoor mOOliooi o""'rgo.O)' 

....... """" (Ilumlin or .oImnI) 0.- Cl1omlcol emomonO)' __ (l3pi1l look, !lto. or 

o-.ot) call"'" Roci<y MoIl""'i. p",",," CO"trot C""",r .. f.I~) G<"~TlG. For Trao,potI.a!lon 

om"'!ll'"d<". ""I CMrn T .. o a! (OOIll 424-!I3dD. 

Precautionary Statements 

HO,at\l, 10 Hum." •• oO Dom.<Iio An>mal, 

WARNINGIAVISO 

Moy bo t.IOI il._ IhroLlllh ,t,in, ~.rmhJI ~ 

.... 0lI0W0d or """laO. c. ..... """""""1, bot to ... 

PCral)', eyo ''*''1'. ca""". ,klo in1tallOO, CoriaOl """ i __ . Or a CUI. Qf ropoatod eootaCi """ 

intact oI<i. may ,..;ulI '" ~1Dg. Do nol !J<lt III 

oyo" on 0100, oron <Ioth1<Jg. AwkI _,og "Of><>' or>pril)'mlQ. Do rKI1leod~lrcm_ ""'PO 

to 1'-""'- K .. p tIvo>Io<l< .00 dots 00l of troatO<l 

I\cIdo """ aod .roa~ 

E",i'oom~otOI H"zar<rs 

Thi6 pcslicjIje it! '''* 10 OIl"""C iOYOrtel>rates, For T.rm!>!.a' U"', Il<> "",-.ppiy dirndl)' to Wllte" 0' 

10 ..-ws ""'"" sod.", war..- ~ ",,"01, 01'1<> 11IIo~ 

!ldalo[I!U botowtllO ......., l\igII woIor rnBIt. Do"",-

OOOl"",io". WIlt., ""e" di>pooiog 0' oq,*",,01 

WII,h wa'e" For A<lua!ic U .. sll<> not 'pplylliredl)' 

10 walO'."."...t .. opoIlIIIed on tIltalllbol, 

HELM DIQUAT Aquatic 

Draft label 7 August 2007 

STORAGE AND DISPOSAL 00 rKI1 """'"",,n.>!o w.I..-. fwd, orleo<l by SlOfall. ordi<poool 

Pesllolde S,or.ge 

Koop pootJt>;J. ~ <><1gru.1 "'''''"''''', 00 ""'-".. eo .. ",,01,010 0' d,Mo 1010 100II '" d~ol< CO(lta ..... ". 00 

001 "",,"mino', I .... foodetuR" or """Iti"ll 'fflitor. 

Do ""'- """" or tronoport .. ..- feed or food. """'" at lompoorture •• b<>;c 32'1'. For .. Ip willi 'oy >Pill 10>1<, ~ .. , 0' _LIte ,nwMng IIris motoOai, eOll 

CHEMTREC at (ll00) <424-1lJOO. 

POSlicldO Oi'po,al 

0P'''' dump;ng it! "tOM."o<I. _'" _os 0"' toxic. tmprnpo, d"1OI»>t01 Of """""' PC_. _ 

mb4<J,", or Mooto .. ° '<'IotallO" 0( 100,,,,1 I .... II 

theI;o """os OIIMDI". ditpoOO<l o(by u'" aOOOfll. 

inti ~ Jat>ellnolructions, rnoIOOI )oor atato p.- or Em>imMtotIIaI ContlOl A(jOl1<.y. or the HozaItIous _ """""""'"' at tho._ S'A RogiOnOl 

OfIIoofOfgu<j ...... 

Coolai.e, Olsdo,ol 

Do rKI1 reu .. """"' ..... TlijlIe nnoe (oroquliialml). ThOo oII.r lor rooydloa or roo<>nclitloning. or pu..,. 

"""al\(j~of", • ....tat)'_.ortneJ"""" liOo, or hll....-..! by Stoto 0tI<I 1><:01 .uth<mlie>. by 

bumi,,!!, ~ burned. "'oy out of,."".... 

For Gul' AM MI"I.lIull< Con,.i"." 

1MlO<1 Ih. ",ruio", ta "'"1"11, "pia'" 1M cop.M 

.... a; »ponlll!l' """ ~o boon 0f>0""" du~ "'" 

0tI<I return the oont''''''IO tIlo P"IOt 0( PU_. or to" dO>l\lllotoo _ n"""", a! 111. tim<! Of"",· dIosB oftt1lo """,ott. Th"' __ .... bo_ wiUI iIIIII ~_ p-G<IuC!, 00 NOT REUSE ll-lE 

CONTAINER FCfI Am OTHER PUF1POSE. Prior to ~inIipo¢t .. r<lfullifor __ such .. ~ 

p<II'IdtIros, obrn~"" .. -...o.rt tn_ oM d= 

do\li""', Cllocl< I", 10 ... a~or "i\llirnl ond ""'01'0 traosF'O'tiog, Do not t=Ispo~ ~ 1hI. ",,",.ill.r 1$ 

OOm"llOO '" toalcing, ~ not r<IMnOd ~ 1I1e 

PO"" of porct. ... or '" 0 d""onatO<l I~o., trlp;o rIMe omptio<! OOOI.io", ond offer lor reoydioa 

Diq>(IOol of rtII, "",toIn., ""'Ill t>o i. COInjIlIa""" 

";ih ,,3t~ aM locol rogul"""'"" For ",,,or ,p;n .. , .. .., ",c., folk;rw all procautioJ1. 

iMioaloo 00 "". laO., """ """. ud Irnmodl"..,., TaKe opetiaI care to IMliI! CO!Itaminaliorl of equipmerit 'M I..,., .. du<ing doooud """","ures .oct diopotolof_,,-

CONTAINER IS I-OT lW'l' FOR FOOll, FEED, OR OfIII-I{jUGWATER! 

Page10of10 

92
UNITED STATES ENVIRONMENTAL PROTECTION AGENCY 

WASHINGTON, D.C. 20460 

March 21, 2008 

OPP Decision Number: D·385853 

EPA File Symbol or Registration Number: 74530·EL 

Product Narne: HELMDIQUATAQUATIC 

EPA Receipt Date: 05-Nov-2007 

EPA Company Number: 74530 

Company Narne: HELM AGRO US, INC. 

MR. VOLKER HEIDE 

HELM AGRO US, INC. 

8295 TOURNAMENT DRIVE, SUITE 310 

MEMPHIS, TN 38125-

OFF[CEOF 

PREVENTION, PESTICIDES AND 

TOXIC SUBSTANCES 

SUBJECT: Receipt of Registration Application Subject to Registration Service Fee 

Dear Registrant: 

The Office of Pesticide Programs has received your application and certification of 

payment. If you submitted data with this application, the results of the PRN-86-5 screen will be 

communicated separately. During the administrative screen, the Office of Pesticide Programs 

has detennined that this Action is subject to a Pesticide Registration Service Fee as defined in 

the Pesticide Registration Improvement Act. 

The Action previously identified as R301 has been reclassified as Action Code: R300 

NEW PRODUCT;ME-TOO PRODUCT FAST TRACK; 

The fee associated with this action is $1 ,300. Payment in the amount of$l ,560 has been 

received. A refund in the amount of $260 will be issued as soon as is practicable. 

If you have any questions, please contact the Pesticide Registration Service Fee 

Ombudsman at (703) 305-6249. 

Sincerely, 

~q~ g Staff 

ology & Resources Management Division 

93
,,' ' -, ,- -

'" .~ - .,. F. , A, .a OMRN., '-28-

United StatllS EJ Registration OPP Idantifier Numbar , 

&EPA Environmental Protection Agency Amendment 

Washingtan, DC 20460 Other 

Appfication for Pesticide - Section I 

1. CornpanylProduct Numbar 2. EPA Product Managar 3. Proposad O.nification 

74530- Miller o None o Rlltrictlld 

4. Cami)nV/Product (Nama) PM' 

Helm iquat Aquatic and Landscape 23 

5. Nama and Address of Applicant (Include ZIP Cod,1 6. Expedited Reveiw. In accordance with FIFRA Section 3(c1131 

Helm Agro US, INC. (bJ(iJ. mv product is similar or identical in composition and labeling 

829S Tournament Drive Suite #310 • to: 

Memphis, TN 38125 EPA Reg. No, 

o Check if thr$;s. n,w IJddrll$$ Product Name 

Section - II 

D Amandment· Explain balow. D Finel printed labal' in ropllOl\$a to 

Agenev lattar datad 

D Rasubmhu;ion in respon,e to Agencv lettar dlltlld D -Me Too· App6elltion. 

D Notlfieation - Explain balow. 0 Other - Exphlin below. 

Explanation: Use additionel page(s) if nocassllry. (For taction I and Sectlan II.) 

This is a REPACK 

Section - III 

1. Metarlat This ProduC1 WIll Be Padeaged In: 

Child-Resistant Packaging Unit Packeging Willor Solubla Pllckllging 2. Typa of Conlainer 

t~r' @Y" t;l Ya. 

X Na X Na ~M". fI"'" X Plastic 

ma., 

* Certification mU$t If ·Yas~ No. par If ~Yol~ No. por Papar 

Unit Packeging wgt. containar Packaga w;t container Other (Specify) be submitted 

3. Location of Net Contents Informetion 4. Sizo(s} Ratail Containar S. Locotion of Labal Oiroctiona 

~ I.8bal o Container 1,2.5,30 gallon ~ On Label 

On Labeling accompaning product 

6. Manner in Which Labal is Affixad to Product § Utnag-reph 0 "'he. ~:~U6d 

Section - IV 

1. Contact Point (Comp/ot(J i(tlms dir(Jctly below tor rrtonfifiCIJtkm of fndividum to b. contllctod, if nac_NY. to pi'OCU$ this tJppNestion./ 

Name Titlo TelaphonlJ No. (Includa Area Coda) 

Marshall B. Wixson Manager Product Development 901-312-1525 

Certification 6. DtJta Appficatian 

I cartifV tnat tha statomants I have meda on this form and eUattachmants therato lire true, accurate ond cemplata. Racaivad 

I ecknowledga that any knowlinglly fallo or mislaading statamant may b. punishabla bv fine or Impriaonmont or IStamped) both under applicablolaw. 

2'S;'M~ 3. Title 

Manager Product Development 

4. Typod N4me 5.0eto 

Marshaii B. Wixson 3-04-2008 

.. EPA FOfm 8570-1IRov. 3-941 PraVlous edItIons ar. obtolato • - - 94

*Product ingredient source information may be entitled to confidential treatment*
Form approved. OMS No. 2070-0060, 2070-0057, 2070-0107, 2070-0122, 2070-01&4. 

&EPA 

United States 

Environmental Protection Agency 

Washington, DC 20-460 

Formulator's Exemption Statement 

(40 CFR 152.85) 

Appllcanfs Name and Address EPA File SymboliRegistralion Number 

Helm Agro US, INC. 74530-

8295 Tournament Drive Suite #310 Product Name 

Memphis, TN 38125 Helm Diquat Aquatic and Landscape 

Date ofConfidenlial Statemeni of Formula (EPA Form 8570-4) 

03/04/2008 

As an authorized representative of the applicant for registration of the product identified above. I certify that 

(1) This product contains the following active ingredient(s): 

Diquat Dibromide 

(2) Of these, each active ingredient listed in paragraph (4) Is preSeni solely as the result of the use 01 that active ingredient in the manufacturirlg. 

formulation Of repackaging another product which contains that active ingrediem which is registered under FIFRA Section 3, is purchased by 

us from another person and meets the requirements 0140 CFR section 158.50(e)(2) or (3). 

(3) Indicate by checking (AI or (8) below which parngraph applies: 

71 (A) An accurate Confidential Statement of Formula (EPA FORM 8570-4)10r the above identified product is attached 10 this statement. 

That formula statemenl indicates. by company name, registration number, and product name, the source of the active ingredient(s) nsted in 

paragraph (1). 

OR 

"I (8) The Confidential Statement of Formula (CSF)(EPA Form 8570-4) re1erenced above and on file with the EPA Is comple1e, current, an 

accurate and contains the information required on Ihe current CSF. 

(4) The following active Ingredients in this product qualify forthe1ormulator's exemption. 

Source 

Active Ingredient Product Name Registration Number 

Diquat Dibromide 

Signature Name and Title Date 

./ Marshall B. WixsonlMgr. PD 03/04/2008 F /' 0 

EPA FOfItl 8570-27 (Rev, 06-200-4) Copy 1-EPA 

Copy 2 - Applicant copy 

95

*Product ingredient source information may be entitled to confidential treatment*
UNITED STATES ENVIRONMENTAL PROTECTION AGENCY 

WASHINGTON, D.C. 20460 

:Mr. Marshall Wixon 

Helm Agro US, Inc. 

8295 Tournament Dr., Suite #310 

Memphis, TN 38125 

Dear:Mr. Wixson: 

Subject: Helm Diquat AG and Helm Diquat Aquatic herbicides 

EPA File Symbol Nos. 74530-EL and 74530-EU 

Submission dated: 11/01/07 

OFFICE OF 

PREVENTION, PESTICIDES AND 

TOXIC SUBSTANCES 

The application referred to above has been detennined, pursuant to 40 CFR 152.105, not to be sufficiently 

complete to process; therefore, the application is considered deficient. Labeling/other information as 

specified below must be submitted before the processing of the application can be completed. If such 

deficiencies cannot be corrected within 75 days from the date of this letter, you must notifY the Agency 

within those 75 days of the date you expect to complete the application. If, after 75 days, you do not 

respond, or your subsequently fail to complete the application within the scheduled times of completion, 

the Agency will tenninate any action on the application, and will treat the application as if it has been 

withdrawn by the applicant. Any subsequent submission relating to the application must be submitted as a 

new application. You may prefer to withdraw this application, and resubmit a new application when the 

necessary data and other information are available. 

You submitted the above two products as "100% repacks" of EPA Reg. No. 82633·2. The product you are 

claiming to repackage is a formulating use product only. Your products are end-use products, and 

therefore do not have identical uses to the source product. Additionally, the percentage of active ingredient 

in your products is not identical to the source product. Therefore, your products are not 100% repacks, but 

are instead formulations of the source product. Because of this, we are changing the PRIA action code for 

your products from R300 to R301. The fee for an R301 product is $1560.00, and the timeline for 

completion is 4 months. Additionally, you must submit the following: 

1. Additional fee of260.00 per product 

2. A full Confidential Statement of Formula (CSF) for each product 

3. Product·specific chemistry data for each product. 

If you have any questions, please contact Kathryn Montague at 703·305·1243. 

/ 

i ~J)1d;-- ryn ontague 

Acting Product Manager 23 

Herbicide Branch 

Registration Division (7505P) 

96
UNITED STATES ENVIRONMENTAL PROTECTION AGENCY 

WASHINGTON, D.C. 20460 

November 6, 2007 

PLEASE RETURN A COPY OF THIS LETTER WITH PAYMENT 

Or Pay On-Line at www.Pay.Gov 

opp Decision Number: D-385853 

EPA File Symbol or Registration Number: 74530-EL 

Product Name: HELM DIQUAT AQUATIC 

EPA Receipt Date: 05-Nov-2007 

EPA Company Number: 74530 

Company Name: HELM AGRO US, INC. 

Marshall Wixson 

HELM AGRO US, INC. 

8295 TOURNAMENT DRIVE, SUITE 310 

MEMPHIS, TN 38125-

OFFICE Of 

PREVENTION, PESTICIDES AND 

TOXIC SUBSTANCES 

SUBJECT; Receipt of Application Subject to Registration Service Fee - Fast Track 

Dear Registrant: 

The Office of Pesticide ,Programs has received your application for registration. If you 

submitted data with this application, the results of the PRN-86-5 screen will be communicated 

separately. During the administrative screen, the Office of Pesticide Programs has determined 

that this Action is subject to a Pesticide Registration Service Fee as defined in the Pesticide 

Registration Improvement Act. 

The Action has been identified as Action Code: R300 

NEW PRODUCT;ME-TOO PRODUCT FAST TRACK; 

Within 30 days, please remit payment in the amount of: $ 1,300 to the address below. 

If you do not submit payment within 30 days of the date of this letter, the Agency will reject your 

application pursuant to Section 3(c)(3)(B) ofFIFRA. Any subsequent submission relating to this 

action must be submitted as a new application. 

ByUSPS: 

USEPA Washington Finance Center 

Pesticide Registration Service Fee 

PO Box 979074 

St. Louis, MO 63197-9000 

97
By Courier: 

U.S. Bank 

Government Lockbox 979074 

1005 Convention Plaza 

SL-MO-C2-GL 

St. Louis, MO 63197 

Telephone: (412) 236-2294 

All payments must be in United States currency by check, bank draft, or money order 

drawn to the order of the Environmental Protection Agency. To ensure proper credit, please 

write the opp DECISION NUMBER on your check, and enclose a copy of this letter with your 

payment. 

You may be eligible for a partial waiver of the registration service fee if, for example, you 

qualify as a small business or are applying for a minor use, or if your application is solely 

associated with an IR-4 tolerance petition. Please be advised that if you intend to request a 

waiver, you must do so in writing within 15 days of receipt of this invoice instead of remitting 

the amolUlt indicated above. OPP will not consider waiver requests after the registration service 

fee has been paid. Information regarding eligibility and how th request and document a fee 

waiver is available on the OPP Fee for Service web site at www.epa.gov/pesticides/fees. 

Please send Registration Service Fee Waiver requests to: 

By USPS: 

Document Processing Desk (WAIVER) 

Office o[Pesticide Programs (7504P) 

U.S. Environmental Protection Agency 

1200 Pennsylvania Avenue NW 

Washington, D. C. 20460 

By Courier: 

Document Processing Desk (WAIVER) 

Office of Pesticide Programs (7504P) 

U.S. Environmental Protection Agency 

Room S-4900, One Potomac Yard 

2777 S, Crystal Drive. 

Arlington, VA 22202 

A PRIA decision time review period will not start until a fee waiver is granted andlor the 

Agency receives certification that the outstanding fee has been paid. If the Agency does not 

receive certification of payment for this action or a fee waiver request within the next 45 days, 

the Agency will presume that you no longer want to pursue this action. The Agency will then 

initiate a process that may result in administrative withdrawal of this action. 

If you have any questions, please contact the Pesticide Registration Service Fee 

Ombudsman at (703) 305-6249. 

ology & Resources Management Division 

98
IFee for Servicel {819238@-

This package includes the following for Division 

• New Registration AD 

Amendment ···BPPD 

•• RD 

Studies? Fee Waiver? []]J volpay % Reduction: 

Risk Mgr. 

i 

Receipt No. s-I 819238 I 

EPA File Symbol/Reg. No. I 74530-EL I I I . . Pin -Punch Date . I 11/5/2007 I 

D This item is NOT subject to FFS action. 

I Activi . Parent/Child Decisions: 

Requested: I NI5t\ Q I 

Granted: I R- '300 I 

Amount Due: $ I, 3CTD 

Inert Cleared for Intended Use Uncleared Inert in Product 

Reviewer:_---'.R""'h=-:'----"=--"--____ _ Date: 1/ -, -() 1 

Remarks: 

99
Print Form 

F A roved. OMl'!. No. '_'R_ 

United Statas 

Environmental Protection Agency B Registration 

Amendment 

Other 

OPP Identifier Number 

&EPA 

Weshington, OC 20460 

I. CompanyfProduct Number 

74530- ~ EL 

4. Company/Product (Name) 

HELM Diquat Aquatic 

Application for Pesticide - Section I 

2. EPA Product Manoger 

Miller 

PM. 

23 

3. Proposed Clessificetion 

o None ~ Restricted 

5. Nama end Addrass of Applicent IInclvdo ZIP Coda/ 

Helm Agro US, INC. 

6. Expedited Reveiw. In accordance with FIFRA Section 3{c)j3) 

(b)(i), my product is similar ot identical in composition and labeling 

8295 Tournament Drive Suite#310 

Memphis, TN 38125 

o Chock if thi:: i:: 0 new sddrO$$ 

Amondment· Explein below. 

to: 82633-2 

EPA Reg. No. ______________ _ 

Sharda Diquat Concentrate 

Product Name 

Section - II 

Final printed labels in rapsonso to D Agency lettor dated ___________ _ 

D 

D 

Resubmission in rosponsa to Agancy letter dated ______ _ 

D 

D 

o 

·MII Too· Application. 

Notification· Explain balow. Othar· Explain bolow. 

Explanation; Use additional pagels) if necossary. IFor section I end Section 11.) 

This is a REPACK 

1. M.teri.1 Th~ ProduC1 Will Be Packaged In; 

Child·Resistant Packeging 

Dy" 

~No 

Unit Packaging 

Dy" 

~No 

Section - III 

Wllter Soluble Packaging 2. Type of Container 

... Certification must 

bfl submitted 

If ·Yas· No. por If ·Yos· 

Packaga wgt 

No. par 

container 

~:~~Ic Glan 

Paper 

Unit Packaging wgt. container Other (Specify), ______ _ 

3. Locetion of Net Contents Information 

~ Label o Container 

6. Menner in Which Label IS Affixed to Product 

4. Sile{s) Retail Conteinor 

1,2.5,30,270 gal. 

§ lithograph 

Peper glued Stencired 

, 

Section - IV 

5. Locetion of Label Oirections 

rXI On Label c:::J On Labeling accompaning product o Other __________ _ 

I. Contect Point (Comp/otu "rims dirltctly below for idlmtmcation of individual to bit contuct.d, if nacessllry, to proCflSs this gpplic.tipn.) 

,... ~'" ,."',~ 

NamE! Title : T~lfI~hone flo. IlncliJde Aroa Code) 

Manager Product Development ' 901 '312-1525 1-~~~~~~~~~-'-~~~----':'~~~'-'1;-"; " Marshall B. Wixson 

Certification 

" ! certify thet thE! statements I heve mElde on this form end ellattechments thora!o ere true, eccurete end,cJomprete. 

I acknowledge that eny knowfinglly felse or misloeding statement mey bo punlshabla by fine or imprisonmerl{ 6r; 

both under appTiceble lew. " : > ) " 

6. Oete App5ciltion 

, ,R.,~ojved 

. , , ' (Stamped) 

2. Signeturo 3. Title ,">, 

I, ' , , , , 

I----'A""'~L---:::::;:2:::...--------------f_:M:a:n~a:g:':'~p~m=d:u=ct=-:D:'=V~':l=op:m::::':n~t ----------1 ' , , ,,: 

4. Typad ""me 5.0eta 

Marshall B. Wixson 11-01-2007 

EPA Ferm 8570-1 IRev. 3·94) PreVIous editions ere obsolete. Whne • EPA F'1ia Copy {originall 

100
HELn. 'FiGRO US, INC. 

Document Processing Desk (AMEND) 

Office of Pesticide Programs (7504P) 

U.S. Envirorunental Protection Agency 

One Potomac Yard - South Building 

2777 S. Crystal Drive 

Arlington, VA 22202 

Attention: Ms. Joanne Miller, PM Team 23 

8295 Tournament Drive, Suite 310 

Memphis, Tennessee 38125 

Phone: (901J 312-1525 

Fax: (901) 312-1535 

RE: HELM Diquat Aquatic - REPACK SUBMISSION 

Dear Ms. Miller: 

Please find enclosed the following in support of the registration of HELM Diquat 

Aquatic, EPA symbol 74530-. The product is a repack of Sharda Diquat Concentrate by 

Sharda USA LLC, EPA Reg. No. 82633-2: 

1. Application for registration of HELM Diquat Aquatic, EPA Form 8570-1 

2. Confidential Statement of Formula (CSF), EPA Form 8570-4 

3. Formulator Exemption Statement, EPA Form 8570-27 

4. Five copies of proposed labeling and a copy on CD in Microsoft Word 2003 

The label language is based on the recently approved label from Sharda USA LLC for 

Sharda Diguat Concentrate, EPA Reg. No. 82633-2. 

We would appreciate and EXPEDITED review of this submission. 

Please do not hesitate to contact me if more information is needed or questions arise. 1 

can be reached at 901-312-1525 or at mwixson@helmagro.com. 

Sincerely: 

rrMarshall B. Wixson Ph.D. 

Manager Product Development 

Helm Agro US, Inc. 

, , , ) " , , , 

, ," ) " , 

),' , 

,) , 

101
Form approved. OM8 No. 2070-0060. 2070-0057, 2070-0107, 2070-0122, 2070-0t64. 

aEPA 

United States 

Environmental Protection Agency 

Washington, DC 20460 

Formulator's Exemption Statement 

(40 CFR 152.85) 

Appticant's Name and Address EPA File SymbollRegistration Number 

Helm Agro US, Inc. 74530- EL 

8295 Tournament Drive Suite#310 Product Name 

Memphis, TN 38125 Helm Diquat Aquatic 

Date of Confidential Statement of Formula (EPA Form 857(J.4) 

1110112007 

As an authorized representative of the applicant for registration of the product identified above, I certify that 

(t) This product contains 1he following active ingredient(s): 

Diquat 

(2) Of these, each active ingredient listed in paragraph (4) is present solely as the result of the use of that active ingredient in the manufacturing, 

formulation or repackaging another product which contains that active ingredient which is registered under FIFRA Seelion 3, is purchased by 

us from another person and meets the requirements of 40 CFR section 158.50(e}(2) or (3). 

(3) Indicate by checking (A) or (8) below Which paragraph applies: 

71 (A) An accurate Confidential Statement of Formuta (EPA FORM 8570-4) for the above identified producl is attached to this statement. 

That formula statement indicates, by company name, registration number. and product name, the source of the active ingredient(s) lisled in 

paragraph (1). 

OR 

, (B) The Confidential Statement of Formula (CSF)(EPA Form 8570-4) referenced above and on file with the EPA is complete, current, an 

accurale and contains the information required on the current CSF. 

(4) The following active ingredients in this product qualify for the formulator's exemption. 

Source 

Active Ingredient Product Name Registration Number 

Diquat Sharda Diquat Concentrate 82633-2 

Signature Name and Title Date 

/, 4' Marshall Wixson Manager PD 11/0112007 D 

EPA Form 8571)-27 (Rey. 06-2004) Copy 1 EPA 

Copy 2 - Applicant copy 

102
Pft FORM 9-11 

lMARCH 2006) 

I 'c"r;;)w "~I U If c ®~~ornOffi~ OO~~[li (]luUL'Y FILE SYMBOL 7t!S30 -I=L 

. REGISTRA.l"ION NO. L 

________ --' 

CONFIDENTIAL STATEMENT OF FORMULA ENCLOSED 

DATE SUBMITTED BY {,,) 

SUBMITTED APPLICANT BASIC SUPPLIER 

NOV - 5 200? 

I 

, 

1 

I 

f 

, 

I 

I , 

i 

I 

Do Not Write Comments, 

Formula, or Parts of Formula 

on This Envelope 

NOTE 

It shall be unlawful-for any person to use for his own advantage 

or to reveal, other than to the Secretary; or offiCials Of employees of 

the United States Department of Agrlculture or other Federal agencies, 

or to the courts In response to a subpoena, or to Physicians, and In 

emergencies to pharmacists and other qualified persons, for use In 

the preparation of antidotes, In accordance with such directions as 

the Secretary may prescribe, any information mint/va to formulas of 

prollucts acquired by authority of Section 4 of the '"Foderallnsectlclde, 

Fungicide, and Rodenticide Act," 

103 l'SI)A·A~ 
Page 104 contain The Product Confidential Statement of Formula and is not included in this 

copy.