Initial to indicate certification as to information on this page (full text of certification is on page one). Date INSTRUCTIONS: Please type or print in ink. Please read carefully the attached instructions and supply the information requested on this form. Use additional sheet(s) if necessary. 2. Case # and Name 3. Date and Type of DCI and Number

4. EPA Product Registration 5. I wish to cancel this product registration voluntarily 6. Generic Data 7. Product Specific Data 6a. I am claiming a Generic Data Exemption because I obtain the active ingredient from the source EPA registration number listed below. 6b. I agree to satisfy Generic Data Requirements as indicated on the attached form entitled "Requirements Status and Registrant's Response." 7a. My product is an MUP and I agree to satisfy the MUP requirement on the attached form entitled "Requirements Status and Registrant's Response." 7b. My product is an EUP and I agree to satisfy the EUP requirement on the attached form entitled "Requirements Status and Registrant's Response." OMB Approval 2070-0174

1. Company Name and Address 0266 - Hexazinone Chemical # and Name: 107201 Hexazinone 13-Oct-2011 GENERIC ID # GDCI-107201-1036 

### United States Environmental Protection Agency

Washington, D.C. 20460 DATA CALL-IN RESPONSE 1 Page of 1

8. Certification: I certify that the statements made on this form and all attachments are true, accurate, and complete. I acknowledge that any knowingly false or misleading statement may be punishable by fine, imprisonment or both under applicable law. Signature and Title of Company's Authorized Representative ______________________________________________________ 10. Name of Company N/A N/A

9. Date

11. Phone NumberInitial to indicate certification as to information on this page (full text of certification is on page one) 13. Phone Number 10. Certification: I certify that the statements made on this form and all attachments are true, accurate, and complete. I acknowledge that any knowingly false or misleading statement may be punishable by fine, imprisonment or both under applicable law.
12. Name of Company 11. Date OMB Approval 2070-0174 

### United States Environmental Protection Agency

Washington, D.C. 20460 REQUIREMENTS STATUS AND REGISTRANT'S RESPONSE INSTRUCTIONS: Please type or print in ink. Please read carefully the attached instructions and supply the information requested on this form. Use additional sheet(s) if necessary.

4. Guideline Requirement Number 5. Study Title Progress Reports



### 2 3 1 6. Use

Pattern 7. Test Substance 8. Time Frame (Months) 9. Registrant

Response P R O T O C O L 1. Company Name and Address 2. Case # and Name 3. Date and Type of DCI and Number

Signature and Title of Company's Authorized Representative _________________________________________________________________

Environmental Fate Data Requirements (Conventional Chemical)

Terrestrial and Aquatic Nontarget Organisms Data Requirements (Conventional Chemical) 835.4100 835.4200 835.4300 835.4400 835.6100 835.6200

850.2100 Aerobic soil metabolism

Anaerobic soil metabolism Aerobic aquatic metabolism Anaerobic aquatic metabolism Terrestrial field dissipation Aquatic field dissipation

Avian acute oral toxicity test 0266 - Hexazinone Chemical # and Name: 107201 Hexazinone 13-Oct-2011 GENERIC ID # GDCI-107201-1036

J,C,A,T,B J,C,A,T,B J,C,A,T,B J,C,A,T,B J,C,A,T,B J,C,A,T,B

J,C,A,T,B PAIRA; TGAI PAIRA; TGAI PAIRA; TGAI PAIRA; TGAI TEP TEP

PAIRA; TGAI 24 24 24 24 24 24

12 1 of Page

(3, 4) (2, 4)

(1) N N N N N N

Y 2Date OMB Approval 2070-0174 

### United States Environmental Protection Agency

Washington, D.C. 20460 REQUIREMENTS STATUS AND REGISTRANT'S RESPONSE INSTRUCTIONS: Please type or print in ink. Please read carefully the attached instructions and supply the information requested on this form. Use additional sheet(s) if necessary.

4. Guideline Requirement Number 5. Study Title Progress Reports



### 2 3 1 6. Use

Pattern 7. Test Substance 8. Time Frame (Months) 9. Registrant

Response P R O T O C O L 1. Company Name and Address 2. Case # and Name 3. Date and Type of DCI and Number

Toxicology Data Requirements (Conventional Chemical) 870.3465 870.6200 870.7800 90-day inhalation toxicity

Neurotoxicity screening battery Immunotoxicity 0266 - Hexazinone Chemical # and Name: 107201 Hexazinone 13-Oct-2011 GENERIC ID # GDCI-107201-1036

J,C,A,T,B J,C,A,T,B J,C,A,T,B TGAI TGAI TGAI 24 12 12 2 of Page

N N N 2

### United States Environmental Protection Agency Washington, D.C. 20460 FOOTNOTES AND KEY DEFINITIONS FOR GUIDELINE REQUIREMENTS 0266 - Hexazinone GDCI-107201-1036

1 2 3 4 Key: Residue of Concern = Residue of Concern; TEP = Typical End Use Product [TEP]; TGAI = Technical Grade Active Ingredient [TGAI]; TGAI/PAIRA = Technical Grade of the Active Ingredient or Pure Active Ingredient, Radio Labelled; TGAI, TEP = Technical Grade of the Active Ingredient or Technical End-Use Product; TGAI/PAI = Technical Grade Active Ingredient, Pure Active Ingredient

The Agency is requiring GDLN 850.2100 on one passerine species. The Agency is only requiring the analytical method portion of GDLN 835.6200 for aquatic field dissipation. The Agency is only requiring the analytical method portion of GDLN 835.6100 for terrestrial field dissipation. Environmental chemistry methods used to generate data associated with this study must include results of a successful confirmatory method trial by an independent laboratory. The environmental chemistry methods must include a statement of no data confidentiality claims, i.e., non-CBI. Test standards and procedures for independent laboratory validation are available as addenda to the guideline for this test requirement. Case # and Name: DCI Number: 1 Page: of 1

Footnotes: The following footnotes are referenced in column two (5. Study Title) of the Requirements Status and Registrant's Response form. These footnotes apply in addition to any test notes included in 40 CFR Part 158 with respect to the particular data requirement. Use Categories Key: A - Terrestrial food crop B - Terrestrial feed crop C - Terrestrial nonfood crop J - Forestry use T - Commercial, institutional and industrial premises and equipment

### United States Environmental Protection Agency Washington, D.C. 20460 LIST OF ALL REGISTRANTS SENT THIS DATA CALL-IN NOTICE 0266 - Hexazinone Case # and Name: 1 Page: of 1

352 E. I. DU PONT DE NEMOURS AND COMPANY

(S300/419) Co. Nr. Company Name Agent For Company 1007 MARKET STREET Address City ZIP WILMINGTON 198980001 OMB Approval 2070-0174

State
DE DCI Number: GDCI-107201-1036

# LINKS TO FORMS: The pesticide registration forms that are listed below can be found at: http://www.epa.gov/opprd001/forms/ Link to C onfidential Statement of Formula and Instructions (Form # 8570 -4 

# ) http://www.epa.gov/opprd001/forms/8570 - 4.pdf C ertification of Attempt to Enter Into an Agreement With Registrants for Development of Data (Form # 8570 - 32 

# ) http://www.epa.gov/opprd001/forms/8570 - 32.pdf
C ertification With Respect to Citation of Data (Form # 8570 - 34 

# ) http://www.epa.gov/opprd001/forms/8570 - 34.pdf