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Environmental Topics
Air
Explore information about Air pollutants, contaminants and studies being done
Climate Change
Learn how California’s climate is changing and how these changes are affecting the state
Fish
Guidelines for eating fish and shellfish
Pesticides
OEHHA’s role in protecting workers and the public from pesticides
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Water
Risk assessment and hazard evaluation activities relating to chemical contaminants in drinking water
CalEnviroScreen
Explore CalEnviroScreen, a mapping tool showing communities affected by pollution
CalEcotox Database
CalEcotox is a repository that provides data for California ecotoxicological risk assessments.
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What We Do
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Programs and Reports
Descriptions of the various program units at OEHHA and Reports that pertain to their mission
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Organizational Chart
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Proposition 65
About Proposition 65
The Safe Drinking Water and Toxic Enforcement Act
The Proposition 65 List
The current Proposition 65 list is dated December 29, 2023
Meetings, Hearings and Workshops
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Notices
All Proposition 65 notices
Law and Regulations
Links and downloads related to Proposition 65 statute and regulations
Warnings
Visit this website to learn about warnings for exposures to chemicals on the Proposition 65 List
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Prop 65 Chemical List
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Proposition 65
Chemicals Considered or Listed Under Proposition 65
Malathion
Malathion
More information about
Malathion
