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 0238 - Diazinon Chemical # and Name: 057801 Diazinon 17-Dec-2009 GENERIC ID # GDCI-057801-853 

### 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)

Product Chemistry Data Requirements (Conventional Chemical) Toxicology Data Requirements (Conventional Chemical) 835.2120 835.2240 835.2370

830.7050

870.7800 Hydrolysis of parent and degradates as a function of

pH at 25 C Direct photolysis rate of parent and degradates in water Photodegradation of parent and degradates in air
UV/Visible absorption
Immunotoxicity 0238 - Diazinon Chemical # and Name: 057801 Diazinon 17-Dec-2009 GENERIC ID # GDCI-057801-853

C,A,B C,A,B C,A,B

C,A,B
C,A,B EP; PAI; TGAI EP; PAI; TGAI EP; PAI; TGAI

EP; PAI; TGAI

TGAI 12 12 12

8

24 1 of Page

(1) (3) (2) N N N

N

N 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

SS 01CS Comparative cholinesterase study on rats for

metabolites 0238 - Diazinon Chemical # and Name: 057801 Diazinon 17-Dec-2009 GENERIC ID # GDCI-057801-853

C,A,B EP; PAI; TGAI 24 2 of Page

N 2

### United States Environmental Protection Agency Washington, D.C. 20460 FOOTNOTES AND KEY DEFINITIONS FOR GUIDELINE REQUIREMENTS 0238 - Diazinon GDCI-057801-853

1 2 3 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

Study is required for indoor uses in cases where environmental exposure is likely to occur. Such sites include, but are not limited to, agricultural premises, in or around farm buildings, barnyards, and beehives. Requirement based on use patterns and other pertinent factors including, but not limited to, Henry's Law Constant. In view of methodological difficulties with the study of photodegradation in air, prior consultation with the Agency regarding the protocol is recommended before the test is performed. Not required when the electronic absorption spectra, measured at pHs 5, 7, and 9, of the chemical and its hydrolytic products, if any, show no absorption or tailing between 290 and 800 nm. 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

### United States Environmental Protection Agency Washington, D.C. 20460 LIST OF ALL REGISTRANTS SENT THIS DATA CALL-IN NOTICE 0238 - Diazinon Case # and Name: 1 Page: of 1

19713 11678 DREXEL CHEMICAL COMPANY

MAKHTESHIM CHEMICAL WORKS LTD. Co. Nr. Company Name Agent For Company

MAKHTESIM-AGAN OF NORTH AMERICA, INC. P.O. Box 13327 3120 HIGHWOODS BLVD., SUITE 100 Address City ZIP MEMPHIS RALEIGH 381130327 27604 OMB Approval 2070-0174

State TN NC DCI Number: GDCI-057801-853

# 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