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The Office of Environmental Health Hazard Assessment (OEHHA) is providing notice of a change made to the proposed regulation, Title 27, California Code of Regulations, section 28500 and is requesting comments on the modification to the regulatory text.

A Public Health Goal (PHG) is the level of a drinking water contaminant at which adverse health effects are not expected to occur from a lifetime of exposure. The technical support document presents the scientific information available on the toxicity of perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS) and the calculation of the proposed PHGs.

Summary of the Spring 2021 listening session held jointly with the Pala Band of Mission Indians, the Santa Ynez Band of Chumash Indians, and OEHHA

Questions and answers about the insecticide Altus® (flupyradifurone) used for glassy-winged sharpshooter control in English, Spanish, and Vietnamese.

OEHHA’s mission is to protect human health and the environment through scientific evaluation of risks posed by hazardous substances.

Fish advisory for Stevens Creek Reservoir based on mercury.

Updated state fish advisory for Stevens Creek Reservoir in Santa Clara County provides safe eating advice for black bass species, Common Carp, crappie species, and Sacramento Sucker.

Summary of the listening session held jointly with the Bishop Paiute Tribe, OEHHA, and Eastern Sierra Tribes.

The California Environmental Protection Agency’s Office of Environmental Health Hazard Assessment (OEHHA) intends to list the following chemicals as known to the state to cause cancer under the Safe Drinking Water and Toxic Enforcement Act of 1986: Tetrahydrofuran, 2-Ethylhexyl acrylate, Methyl acrylate, Trimethylolpropane triacrylate.

The draft CalEnviroScreen 4.0 was released for public comment on February 19, 2021.The public comment period closed on May 14, 2021. Summaries of the regional workshops on the draft along with the public comments received on the draft are available through this page.