County transitions free soil lead testing to USC Clean program; more drop-off sites available

Aug 18, 2026

LA County Public Health told the council it analyzed more than 2,300 soil samples after the fires and has transitioned its free soil lead testing operation to the USC Clean program effective Aug. 15; property-specific results will continue to be emailed to participants.

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LA County Public Health announced Aug. 18 that it has transitioned its post-fire free soil lead testing program to the USC Clean program after analyzing over 2,300 community samples.

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