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Welcome to the Office of Indiana State Chemist

The Indiana State Chemist is charged with administering several agricultural laws involving animal feeds, fertilizers, pesticides and seeds. The goals of these laws are to ensure truth-in-labeling, food safety, user safety and the protection of our environment.

Latest News, Alerts and Other Information:


  1. PRESS RELEASE: EPA Takes Action to Investigate PFAS Contamination (source: govdelivery)
  2. PRESS RELEASE regarding the new State Chemist for our office (pdf, 138kb)
  3. PRESS RELEASE regarding unsolicited seeds - Purdue University College of Agriculture (pdf, 168kb)
  4. Additional information regarding unsolicited seeds (source:
  5. COVID-19 Regulatory Adjustment Updates 08/17/20 (pdf, 157kb)
  6. Disinfectant Use Against SARS-CoV-2: The Office of Indiana State Chemist has developed two lists to assist the public. If you have any questions about products, please contact our office at:
    - OISC List A (pdf, 70kb) (07-31-20): Indiana registered disinfectants that have provided US EPA with the data that demonstrates efficacy against SARS-CoV-2.
    - OISC List B (pdf, 309kb) (07-31-20): Indiana registered disinfectants that meet EPA's criteria for use against SARS-CoV-2. EPA expects these products to kill SARS-CoV-2 because they demonstrated efficacy against a virus that is harder to kill than SARS-CoV-2.
  7. EPA provides critical information to the American public about safe disinfectant use (source:
  8. What You Need to Know Regarding Products Making Claims to Kill the Coronavirus Causing COVID-19 (source: (pdf, 266kb)
  9. Using Disinfectants and Wipes Against COVID-19 (pdf, 581kb) (source: NPIC (National Pesticide Information Center)
  10. OISC List C (pdf, 135kb) (08-03-20): The Office of Indiana State Chemist has developed a list of Indiana registered disinfectants that correspond to EPA’s List O: Disinfectants for Use Against Rabbit Hemorrhagic Disease Virus (RHDV2). RHDV2 does not impact humans. RHDV2 is highly contagious and it affects both domestic and wild rabbits. The OISC list will be updated often. If you have any questions, contact our office at:
  11. How to Search Using My Records (pdf, 379kb)
  12. Dicamba information
  13. 2020 Pesticide Clean Sweep dates announced for August
  14. Filing a Pesticide or Fertilizer Complaint (pdf, 1.7MB) NOTE: Download this form before completing and submitting.
  15. Follow us on Twitter!
    - Seed (IndianaStateChemSeed - @IndianaChemist)
    - Feed (IndianaStateChemFeed - @IndianaChemFeed)
  16. Exam Vendor information available
  17. Indiana Hemp Program Information
  18. Fertilizer Use Information Sheet  (pdf, 235kb)
  19. OISC Mission Statements
  20. OISC Inspectors (Feed, Fertilizer and Seed)
  21. OISC Pesticide Investigators and their territories (pdf, 411kb)
  22. Chemical Facility Anti-Terrorism Standards (CFATS) Continued Outreach