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The Office of Environmental Health Hazard Assessment (OEHHA) is announcing the availability of a second draft document describing a proposed health-protective concentration (HPC) for noncancer effects of hexavalent chromium (Cr(VI)) in drinking water, as part of the update to the Cr(VI) Public Health Goal (PHG).

The Office of Environmental Health Hazard Assessment (OEHHA) added the male reproductive toxicity endpoint to the existing Proposition 65 listing of bisphenol S (BPS) for reproductive toxicity via the State's Qualified Experts mechanism, effective January 3, 2025. Meeting transcript and materials are available.

Information about PAHs (Polycyclic aromatic hydrocarbons) in fish and shellfish translated into Spanish.

Effective January 3, 2025, the Office of Environmental Health Hazard Assessment (OEHHA) has added vinyl acetate to the Proposition 65 list as a carcinogen. This listing was done via the “State’s Qualified Experts” mechanism, based on the Carcinogen Identification Committee’s (CIC) determination that this chemical was clearly shown to cause cancer.

Information about PAHs (Polycyclic aromatic hydrocarbons) in fish and shellfish.

If, when, and how a fisheries closure occurs following an oil spill notification.

This document contains health risk information on regulated drinking water contaminants to assist public water systems in preparing these reports. NEW for the 2022 Report: New in this document are an updated Public Health Goal (PHG) for 1,2-dibromo-3-chloropropane (DBCP) and newly established PHGs for the trihalomethanes bromodichloromethane, bromoform, chloroform, and dibromochloromethane.

The current Proposition 65 list is dated December 29, 2023.

Safe methods of fire ash cleanup and the hazards associated with exposure.

The Office of Environmental Health Hazard Assessment (OEHHA) is adopting a new cancer inhalation Unit Risk Factor (IUR) for Isoprene.