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General information on public health goals with a table of all PHG values.  The table includes the chemical name, the PHG value (mg/L) and the date the PHG was last updated.

General information regarding notification levels, or health-based advisory levels, for chemicals in drinking water.  A summary table of values is provided.

Frequenty Asked Questions about Public Health Goals, and a link to download a copy of this guide.

OEHHA provides advice and recommendations to DPR concerning human health risks posed by pesticides that are under evaluation. General overview.

General information, and links to meeting archive of CalEnviroScreen and the Cumulative Impacts and Precautionary Approaches (CIPA) work group.

Questions and answers about the biological insecticide Entrust®  (Spinosad)

Chemical listed effective January 23, 2015 as known to the state of California to cause cancer: Mitoxantrone hydrochloride

OEHHA is assisting the Dry Creek Conservancy (DCC) and the American Basin Council of Watersheds to gain a better understanding of the stressors in the Dry Creek watershed that have contributed to salmon declines over the past two decades. OEHHA is collecting environmental data and is using the Stressor Identification (ID) method developed by the US Environmental Protection Agency to identify impacts of urbanization and causes of impairment to the health of the watershed.

Announcement of comment period for notice of proposed rulemaking for a regulation to establish a framework for a website operated by OEHHA that would provide information to the public about potential exposures to listed chemicals.

Notice of extension of public comment period for the proposed regulation to add section 25205 to Title 27 of the California Code of Regulations to establish the framework for a website operated by OEHHA that would provide supplemental information to the public about potential exposures to Proposition 65 listed chemicals.