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 as well as the Sherman County Extension Office, 66365 Lonerock, Rd, Moro . 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.