Understanding Pesticide Regulations in Washington:
A Complete Guide

Navigating Washington's Pesticide Registration Requirements

Pesticide registration in Washington State is a comprehensive process governed by the Washington State Department of Agriculture (WSDA). The WSDA ensures that all pesticides sold or distributed within the state meet both federal and state regulations. Here is an overview of the requirements and processes involved.

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Types of Pesticides Requiring Registration

In Washington, any pesticide intended for distribution must be registered with the WSDA. This includes insecticides, herbicides, fungicides, rodenticides, nematicides, disinfectants, germicides, biocides, plant regulators, defoliants, desiccants, minimum risk pesticides, and spray adjuvants​ (WA State Ag)​​ (WA State Ag)​.

Federal and State Registration

Special Local Need (SLN) and Experimental Use Permits (EUP)

Registration Process

The registration process typically involves the following steps:

Compliance and Recertification

Registered pesticides must comply with ongoing regulatory standards. Companies must ensure that their products remain compliant with updated regulations. Additionally, pesticide licenses require periodic recertification to maintain their validity, which involves completing approved training courses and exams​ (WA State Ag)​​ (WA State Ag)​.


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