Testing soil safety after wildfires
Protecting Angelenos from dangerous contamination with free rapid-response soil testing. Our Contaminant Level Evaluation and Analysis for Neighborhoods (CLEAN) project is a USC program separate from L.A. Dept. of Public Health soil testing.
Share this page
Interpreting your results
Results will be uploaded to this google sheet as soon as possible, and mapped onto the interactive map. You will be notified by email as soon as your results are ready—typically within 4-6 weeks of the date when you drop off your sample.
For help understanding your results, recommendations for precautionary measures to reduce your and your family’s risk of exposure, and additional resources, please see our lead interpretation guide
Samples Map
This map will be updated regularly as new samples are processed and analyzed.
Recent Updates
Push to save trees damaged by the Eaton Fire
Ahead of Olympics, ShadeLA to expand shade across city
Can we turn our water infrastructure into a climate solution?
New team will brainstorm ways to provide more shade in L.A. ahead of major events
Related Projects
- USC
Making sense of climate change graphics
Assessing how well the Intergovernmental Panel on Climate Change’s (IPCC) graphics are understood by the policymakers who rely on them—so that critical science can be clearer, more usable, and more actionable.
- USC
Greening L.A.’s hottest streets
Bringing more trees, shade, and fresh air to L.A. by mapping where, what kind, and how many trees to plant for the biggest impact.
- USC
Tracking climate stories on screen
Tracking how climate stories impact the TV and film industry—and how they shape audience perceptions of climate change.