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Use this study manual to prepare for the Washington State Department of Agriculture Wood Treatment category exam.
Learn the essentials of protecting wood from insects, fungi, and environmental damage with science-based guidance tailored for professional applicators. This publication offers practical training to meet state and federal regulations while keeping people and the environment safe.
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Una guía sobre los principios del control de malas hierbas para aplicadores.
This manual is intended to help beginning pest control operators prepare for Washington State pesticide licensing exams.
This manual is designed for individuals seeking licensure in the Demonstration and Research category, which is required when applying restricted or experimental use pesticides for research or demonstration purposes. It provides the foundation for the…
Newly revised in 2025. Covers federal and Washington State pesticide laws, pesticide formulations, label information, pesticide hazards and health concerns, safe use of pesticides to protect people and the environment.
