Tacoma Smelter Plume: Questions about arsenic and lead in soil

By Amy Hargrove, Soil Safety Program Coordinator, Toxics Cleanup ProgramAt all three of our recent public meetings — Tacoma, Vashon Island, and University Place — we heard similar questions about arsenic and lead in soil. This blog goes through a little of the science of the Tacoma Smelter Plume...Will the arsenic and lead in soil leach out or decrease over time?In general, no. Arsenic and lead