Caltech Explainer: Why WUI Fire Contamination Is Different

Caltech's François Tissot explains how wildland-urban-interface fires burn structural and urban materials in addition to vegetation, adding contaminants from paint, plastics, vehicles, batteries and older building materials. Eaton Fire research documented lead and other metals along the plume and substantial indoor deposition, reinforcing the need for evidence-based cleaning and clearance rather than relying on sight or smell alone.

Action: Read the Caltech Science Exchange explainer | CalTech IG post