# KOP-5

- EPA Reg No: **19713-695**
- Registrant: DREXEL CHEMICAL COMPANY
- Signal word: Danger
- Active ingredients: Copper sulfate pentahydrate (20%)
- Label accepted: 2024-09-27
- Source PDF: https://www3.epa.gov/pesticides/chem_search/ppls/019713-00695-20240927.pdf

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September 27, 2024 
 
Mandy K. Styles 
Registration Manager 
Drexel Chemical Company 
P.O. Box 13327 
Memphis, TN 38113-0327 
 
Subject: Registration Review Mitigation for Copper Compound 
 Product Name: KOP-5 
 EPA Registration Number: 19713-695 
 Application Date: June 30, 2022 
Decision Number: 596085 
 
Dear Mandy K. Styles: 
 
The Agency, in accordance with the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), 
as amended, has completed reviewing all the information submitted with your application to 
support the Registration Review of the above referenced product in connection with the 
Copper Compound Interim Decision, and has concluded that your submission is acceptable. The 
appropriate label mitigation language in support of the Copper Compound Interim Decision is 
included in the approved label dated 10/13/2021. 
 
If you have any questions about this letter, please contact Caleb Carr by phone at (202) 566-
0636, or via email at carr.caleb@epa.gov. 
 
 Sincerely, 
 
 
 Linda Arrington, Branch Chief 
 Risk Management and Implementation Branch 4 
 Pesticide Re-Evaluation Division 
 Office of Pesticide Programs