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) ...