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Assembly committee advances bill to set science‑based clearance standards after wildfires
Summary
AB 1642 would direct DTSC and OEHHA to set emergency and long‑term standards for what contaminants to test for and what clearance levels allow safe reoccupation of homes, workplaces and schools after urban/WUI fires; scientists and survivors urged action while insurers warned of costs and overlapping authority.
Assemblymember Harveydian told the Committee that AB 1642 is intended to provide science‑based answers to what contaminants must be tested after wildland‑urban‑interface fires and what levels constitute safe reoccupation of homes, workplaces and schools.
Dr. Francois Tissot, a Caltech geochemistry professor and Eaton Fire survivor, said his team's surface‑wipe sampling found high levels of heavy metals in dust inside standing homes and downwind from the burn area, with contamination highest near entry points and some…
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