Most of Vashon Island is now closed to recreational shellfish harvesting because of unsafe levels of paralytic shellfish poison, which acts quickly and can cause paralysis of the respiratory system
Quartermaster Harbor on Vashon-Maury Island in Puget Sound is closed to recreational shellfish harvesting until further notice because of unsafe levels of paralytic shellfish poison (PSP). The Washington Department of
The discovery of unsafe levels of Diarrhetic Shellfish Poison in samples of shellfish collected near Seattle has prompted the closing of Puget Sound beaches for recreational shellfish harvest. Washington state