Washington Pesticides regulations & environmental compliance analysis

Washington Pesticides: What you need to know

Governing Law and Regulations

Washington Pesticide Control Act, Revised Code of Washington (RCW) 15.58

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Washington Pesticide Application Act, RCW 17.21

Pesticide worker protection standards: Washington Administrative Code (WAC) 16-233 and WAC 296-307-107 to 296-307-13055

Hazardous waste pesticides: WAC 173-303-9903 to 173-303-9905

Farmer exemption: WAC 173-303-600(3)(f)

Restricted use pesticides: WAC 16-231 and WAC 16-232

Registration and labeling: WAC 16-228-1400

Certification and licensing:

License categories: RCW 15.58.180 to 15.58.240 and RCW 17.21.065 to 17.21.220

License classifications and examinations: WAC 16-228-1545

Training: WAC 296-307-12040


Applicators: WAC 16-228-1320

Dealers: WAC 16-228-1300


Pesticide-sensitive individuals: RCW 17-21-420

School notification: RCW 17-21-415

Pesticide storage:

Agricultural pesticides: WAC 16-228-1220

Warning signs: WAC 16-228-1220

Bulk pesticides: WAC 16-229

Waste pesticide disposal: WAC 16-228-1370

Disposal restrictions: WAC 16-228-1200


Criminal: RCW 15.58.150 and RCW 17.21.310

Civil: RCW 15.58.260, RCW 15.58.335, and RCW 17.21.315

Search warrants: RCW 17.21.320

Injunctions and stop orders: RCW 15.58.340, RCW 15.58.160, and RCW 15.58.170

Stop orders:

Regulatory Agencies

Washington Department of Ecology (WDOE)

Washington Department of Labor and Industries (L&I) Division of WISHA Services

Washington State Department of Agriculture (WSDA) Pesticide Management Division

State of Washington Business Licensing Service (BLS)

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Washington's rules for pesticides mirror federal regulations, predominantly the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) ...

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