OISC


OISC Clean Sweep Pesticide Disposal Program is a great opportunity to legally dispose of unwanted pesticide products at little or no cost. The 2025 Clean Sweep Pesticide Disposal Program sponsored by the Office of the Indiana State Chemist (OISC) offers statewide pesticide collection sites in LaPorte, Vigo, Decatur, Clark, Whitley, and Hendricks counties in August….Read more about OISC Clean Sweep Pesticide Disposal Program[Read More]


In a press release on August 6, 2024, the EPA announced the emergency suspension of all registrations of DCPA (marketed and sold as Dacthal® herbicide). The full press release can be viewed here: EPA Issues Emergency Order to Stop Use of Pesticide Dacthal to Address Serious Health Risk | US EPA Why did EPA do…Read more about EPA Issues Emergency Order to Stop the Use of Dacthal herbicide[Read More]


Below, you will find documents outlining the legislative changes that the governor signed this week regarding the use of pesticides in Indiana. These changes will go into effect July 1, 2024, but OISC will implement the less stringent measures immediately. Cheri Janssen, Purdue Pesticide Programs Curriculum Development Specialist, is already working on updating materials to reflect…Read more about Legislative Changes Regarding the Use of Pesticides in Indiana[Read More]


  The moment you’ve all been waiting for! Please help us to get the word out. The 2023 OISC Clean Sweep Pesticide Disposal info/participant form is available via the OISC website at the link https://oisc.purdue.edu/pesticide/clean_sweep.html If you are planning on participating in the program, please complete the attached 2023 OISC Clean Sweep participant form and…Read more about 2023 OISC Clean Sweep Pesticide Disposal[Read More]


Page last modified: May 31, 2023

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