LEGAL NOTICE: The Washington state department of agriculture (WSDA) plant protection division is hereby notifying the affected public that the herbicides glyphosate (e.g. Aquamaster¦, Aquaneat¦, or Rodeo¦) and imazapyr (e.g. Habitat¦ or Polaris AQ¦), surfactants (e.g. R-11™, Agri-Dex™, Class Act Next Generation™, Competitor™, Dyne-Amic™, Kinetic™, or LI-700™) and marker dyes may be used to control invasive Spartina grass species between June 1, 2007, and October 31, 2007. Properly licensed pesticide applicators who have obtained coverage under the WSDA National Pollutant Discharge Elimination System Waste Discharge General Permit may apply glyphosate or imazapyr to control the noxious weed Spartina on the saltwater tideflats of Grays Harbor, Hood Canal, Willapa Bay, Puget Sound, and the north and west sides of the Olympic Peninsula.
Use of herbicides is one of the options used to control Spartina. These infestations may also be treated by mowing, digging, crushing, or covering.
For more information, including locations of possible application sites or information on Spartina, contact the WSDA Spartina Control Program at (360) 902-1923. Or write: WSDA Spartina Program, P.O. Box 42560, Olympia, WA 98504-2560. To contact the WSDA NPDES permit coordinator, call Brad White at (360) 902-2071. The Washington state department of ecology 24-hour emergency/spill response hotline is 1-800-258-5990.