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Updated: February 2, 2018
At a minimum, commercial and public pesticide applicators will need to take the core and one category exam. To determine which license your green industry needs you can refer to Which Pesticide License Does Your Business Need?.
Make sure you have plenty of time to study for your exam before you take it. The core exam and several of the category exams are closed book. You can order study materials from Penn State Publications. The Penn State Extension Green Industry Team and Pesticide Education Program offer a preparatory course in regions around the state throughout the year. To find a location or to request notification of when the course is schedulednear you enter your zip code and email and you will recieve notification of the next scheduled course near you.