Contact Jacob Powell at Wasco County Extension Office for the current list of agricultural classes offered in the Mid-Columbia; he can be reached at (541) 565-5494 or jacob.powell@oregonstate.edu. The core manual is sold at Wasco County Extension, 400 E. Scenic Drive, Suite 2, in The Dalles. The Oregon Department of Agriculture Pesticide Exam is available for private applicators on-line at http://www.oregon.gov/ODA/programs/Pesticides/Licensing/Pages/ExamsStudyMaterials.aspx. Computer-based testing is available through Metro Institute online at https://www.metrosignup.com.