WSR 23-09-005

DEPARTMENT OF AGRICULTURE

[Filed April 6, 2023, 10:32 a.m.]

The Washington state department of agriculture (WSDA) is hereby notifying the affected public that the herbicides imazapyr and glyphosate may be used to control invasive Spartina grass species between June 1 and November 30, 2023.

Licensed pesticide applicators operating under WSDA's national pollutant discharge elimination system and state waste discharge general permit may apply these products in the following locations: Grays Harbor, Hood Canal, Willapa Bay, Puget Sound, the north and west sides of the Olympic Peninsula, and the mouth of the Columbia River.

For more information, including locations of possible application sites or information on Spartina, contact WSDA Spartina control program, phone 1-800-443-6684, email pestprogram@agr.wa.gov, website https://agr.wa.gov/departments/insects-pests-and-weeds/weeds/spartina; or write WSDA Spartina Program, P.O. Box 42560, Olympia, WA 98504-2560.

The Washington state department of ecology number for reporting concerns about Spartina treatments is 360-407-6600.