Applicators - Commercial Pesticide and Fertilizer

Certification Process:

Commercial Pesticide and Fertilizer - Applicators

Once certified, a commercial pesticide applicator must become licensed in order to legally purchase, use, or supervise the use of pesticides. Licensing refers to the issuance of a license credential by the Office of Indiana State Chemist.  Although category certification is valid for five years, licenses expire and must be renewed on an annual basis. 


Certification Requirements:

Categories (1, 2, 3a, 4, 5, 6, 7a, 7d and 8):
  1. Pass a written Core exam covering pesticide laws, general pest biology, pesticide formulations, personal and environmental safety and label comprehension. 
  2. Pass a Category exam covering information on pest identification and biology, pesticide chemistry, pesticide application techniques, equipment and calibration, and environmental concerns.
  3. Three exam attempts are allowed in a twelve-month period. 
  4. Once the Core and Category exams are passed, certification is valid for five years, expiring on December 31 of the fourth year following the year of qualification.
  5. Certification may be renewed for another five years by; (1) repeating the examination process or (2) accumulating continuing certification hours (CCHs) by attending approved recertification training programs.

Categories (7b or 12):

In addition to the requirements above, initial certification as a for-hire commercial applicator in Category 7b or Category 12 shall require completion of a practical hands-on training program reviewed and approved by the State Chemist.


Category 13 – Limited Certification:

Unlike most other certification and licensing categories, certification as a commercial pesticide applicator in Category 13 is a one-step process. Individuals seeking certification must pass a written Core exam covering pesticide laws, general pest biology, pesticide formulations, personal and environmental safety and label comprehension. A category exam is not applicable to this certification type.


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