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CalEPA and OEHHA announce the availability of an update to the California Communities Environmental Health Screeing Tool: CalEnviroScreen 1.1.

Chemicals listed effective September 13, 2013 as known to the State to cause cancer: Chloral, chloral hydrate, 1,1,1.2-tetrachloroethane, and trichloroacetic acid.

Notice of Intent to List: Methyl Isobutyl Ketone via the authoritative bodies mechanism as known to the State to cause reproductive toxicity (developmental endpoint).

Notice of Intent to List: Methyl Isobutyl Ketone via the authoritative bodies mechanism as known to the State to cause reproductive toxicity (developmental endpoint).

OEHHA has provided a number of comments on DPR’s proposal for regulatory mitigation for Chloropicrin. These comments and our recommendations, as well as suggested clarifications, additions and corrections, are contained in this report.

Adoption of the Maximum Allowable Dose Levels (MADLs) for oral exposure for the chemicals hydrogen cyanide and cyanide salts.

The following list of cases related to the Safe Drinking Water and Toxic Enforcement Act (commonly known as Proposition 65), is provided for informational purposes only and should not be considered legal advice.  This list is not exhaustive, but it includes many of the seminal cases dealing with various aspects of the implementation and enforcement of the law.  This list is updated infrequently, so the reader is advised to check for more current cases or recent history on those cited below.  If you have comments or questions on this list, please contact the Office of Environmental Health Ha

Advisory based on DDTs, dieldrin, or mercury. For information relating to biotoxins from harmful algal blooms (HABs) that may be found in California water bodies, see below.

State sport fish advisory for San Luis Obispo County’s Oso Flaco Lake. Oso Flaco Lake is part of the Oceano Dunes State Vehicular Recreation Area, a California State Park. More than 50 fish from the lake were collected and analyzed for the presence of contaminants. The pesticides the fish were tested for—chlordanes, DDTs, and dieldrin—are legacy chemicals that have been prohibited for many years due to their high toxicity and persistence in the environment.

"Indicators of Climate Change in California," a 2013 report presenting 36 indicators tracking trends in atmospheric gases that influence climate, changes in the state's climate, and the impacts of climate change on California's environment and people.