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 or by calling 1-800-723-1763. You can also order the study manuals by downloading the WSU Pesticides Study Material Order Form (PDF), to submit by US Mail. DO NOT email or fax order form with credit card information.
Below is a partial list of study materials. For a complete list, see the WSU Pesticides Study Material Order Form (PDF).
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 |