WSU study materials are to help people prepare for the Washington State Department of Agriculture pesticide license exams. The study manuals are a prerequisite for the WSU Pre-License Training courses. The courses are based on information from the study materials. It is strongly advised that you obtain and study these materials before taking a course. If you are registering for a WSU Pre-License Training Course, you can order study manuals when you register for the course with a printed registration form.
You can order the study manuals directly online at Extension Online Store
2026 Study Manuals (Revised for C&T Changes)
| Washington State Department of Agriculture (WSDA) Exam Title | Washington State University (WSU) Study Material Title | Publication Number |
|---|---|---|
| Aerial Pest Control | Aerial Pest Control: National Aerial Applicator Manual | EM136 |
| Aquatic Pest Control | Aquatic Pest Control | EM039 |
| Aquatic Pest Control – Irrigation Districts | Aquatic Pest Control | EM039 |
| Dealer Manager | Washington Pesticide Laws and Safety | EM012 |
| Demonstration and Research | Washington Demonstration and Research Manual | EM132 |
| Insect and Disease Control | Introduction to Insect and Disease Management | EM051 |
| Interior Plantscaping | Interior Plantscape Pest Control | MISC0176 |
| Laws and Safety | Washington Pesticide Laws and Safety | EM012 |
| Laws and Safety (Spanish) | Leyes y Seguridad de Pesticidas en Washington | EM012S |
| Limited or Rancher Private Applicator | Private Applicator Pesticide Education Manual | EM020 |
| PCO – General | Pest Management Study Manual for Pest Control Operators | EM019 |
| PCO – Structural | Pest Management Study Manual for Pest Control Operators | EM019 |
| Private Applicator | Private Applicator Pesticide Education Manual | EM020 |
| Private Applicator (Spanish) | Manual para Aplicadores Privados de Pesticidas | EM020S |
| Public Health Pest Control | Public Health Pest Control | EM034 |
| Seed Treatment | Seed Treatment | EM002 |
| Soil Fumigation | Soil Fumigation | EM055 |
| Space Fumigation | Non-soil Fumigation | EM135 |
| Structural Pest Inspector | Structural Pest Inspector Manual | EM013 |
| Stump Treatment | Weed Control | EM131 |
| Vertebrate Pest Control | Vertebrate Pest Control | EM008 |
| Weed Control | Weed Control | EM131 |
| Weed Control (Spanish) | Control de Malezas | EM131S |
| Wood Treatment | Wood Preservation and Wood Products Treatment Training Manual | EM133E |