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Washington State Department of Agriculture – Pesticide Management Division

Find all the laws and regulations related to pesticide use in your state. There is also a searchable database for state-registered pesticides and certified pesticide applicators (commercial and private). In addition, information on becoming certified and licensed as a Private Pesticide Applicator is available. Specific links of interest include:

Registered Pesticides, which allows you to search for pesticides registered for use in your state.

Laws and Regulations, which links to legislation applicable to pesticide use in your state.

Private Pesticide Applicator Certification and Licensing, which outlines the requirements for certification and licensing to become a Private Pesticide Applicator in your state. Information on recertification (which is required every 5 years) is also provided.

Forest landowners wishing to apply restricted use pesticides on their property must be licensed as a Private Pesticide Applicator.

You can find study materials and learn about test locations on the site. Licenses must be renewed annually, unless you hold a Limited Private Applicator and a Rancher Private Applicator license that is valid for 5 years (available only in Eastern Washington.)

Washington State University Cooperative Extension – IPM and Pesticide Safety Education Program

Offers an optional pre-license pesticide training course, both online and in the classroom. In addition, study materials for the Private Pesticide Applicator exam and information on recertification classes can be obtained through this website. In addition, you can arrange to take the exam at some local extension offices (Washington Department of Agriculture also has testing sites.)

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