Latest News
Questions and answers about the insecticide Thuricide® (BtK) used for Spongy Moth control
| Program: Pesticides
Questions and answers about the insecticide DiPel® Pro DF (BtK) used for Spongy Moth control
| Program: Pesticides
OEHHA has finalized a health-protective concentration for noncancer effects of hexavalent chromium (Cr(VI)) in drinking water, as part of the process of updating the Cr(VI) Public Health Goal.
| Program: Water
OEHHA has submitted comments on US EPA’s Updated Draft Risk Calculation Memorandum for a revised Risk Evaluation for Formaldehyde under the Toxic Substances Control Act (TSCA).
| Program: Risk Assessment
Evaluation of seafood safety consumption following oil spills
| Program: Fish
Fact Sheet describing OEHHA activities involving oil spills and seafood
| Program: Fish
If, when, and how a fisheries closure occurs following an oil spill notification.
| Program: Fish
Restrictions on 1,3-Dichloropropene (1,3-D) to protect occupational bystanders. New regulations, developed jointly and mutually by the California Department of Pesticide Regulation and the Office of Environmental Health Hazard Assessment, are effective January 1, 2026 to reduce the risk of 1,3-D exposure to occupational bystanders.
| Program: Pesticides