Learn More

Are you wondering where the arsenic and lead in your soil came from?


Learn more about how arsenic and lead got in your soil by reading about the ASARCO Smelter History.

Do you want to protect your family?

Learn how by reading our recommended “Healthy Actions.

Are you looking for outreach materials or helpful resources?

Find outreach materials and helpful links on our Resources page. Watch some of our videos on the Videos and Public Service Announcements page.

Do you want to find out if you have arsenic or lead in your soil?

First, start by looking at the map to the right (click to enlarge) to see if your property is within the Tacoma Smelter Plume. If it is, we may be able to sample your property for free. Learn about the different soil sampling programs we offer here.