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Read. Follow. Verify.California Bill AB 1642 Requires Post-Wildfire Contamination Regulations and Guidance for Lead and Asbestos
Record date · September 15, 2026
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What This Bill Would Do
Assembly Bill 1642 requires the Department of Toxic Substances Control to adopt post-wildfire lead and asbestos testing regulations by December 31, 2028, and guidance for other contaminants by December 31, 2029. It also requires the State Air Resources Board to publish indoor air contaminant guidance by December 31, 2028, and mandates school-specific guidance by July 1, 2028, conditioned on the enactment of AB 1795.
Property owners, school districts, and residents in wildfire-affected areas will be subject to new state-mandated testing, , and indoor air standards for lead, asbestos, and smoke contaminants.
- The Department of Toxic Substances Control is a California state agency charged with protecting the people, communities, and environment of California from toxic substances. context
- The State Air Resources Board is charged with protecting the public from the harmful effects of air pollution and developing air quality programs in California. context
Who It Would Affect
Groups the bill's text would affect if enacted, as described in the record. Being affected is not a position for or against it.
Department of Toxic Substances Control
The department is required to develop and adopt post-wildfire regulations and guidance for lead, asbestos, and other contaminants by specified deadlines.
State Air Resources Board
The board is required to develop and publish guidance on indoor air contaminants following residential smoke damage by December 31, 2028.
State Department of Education
The department must collaborate to develop advisory, nonregulatory guidance for schools after a wildfire no later than July 1, 2028.
Schools
Schools receive advisory, nonregulatory guidance developed for post-wildfire environments no later than July 1, 2028.
Key Facts
You don't have to trust us. Each fact below is taken straight from the official document - click any one to see the exact passage, highlighted in the original.
Frequently Asked Questions
What deadlines does AB 1642 set for post-wildfire contamination rules?
Are schools included in the post-wildfire guidance requirements?
What standards apply before the new regulations are officially adopted?
Does AB 1642 depend on any other legislation to become operative?
What else do you want to know?
News Coverage
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Votes, people, money & the original sourceWhere This Stands
Currently filed. The next step in the legislative lifecycle is Committee.
Version history & redline
10 versions on fileOfficial version history is partial: 10 linked texts are unavailable or incomplete. Source links remain available below.
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Lobbying Activity
No state lobbying filings in our records match this bill. Federal lobbying reports (LDA) cover Congress, so they are not listed on state bills.
Full breakdown
Who this bill affects and the strongest case for and against it, written only from the bill’s own text.
Connected Entities
Sources
leginfo.legislature.ca.gov
Analysis Score
0–100- Significance65How much this matters to a regular citizen
- Controversy20Intensity of disagreement among stakeholders
- Entertainment5Compellingness for a non-policy-wonk reader
- Buzz30Current news / social attention level
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