Latest News

The Office of Environmental Health Hazard Assessment proposes to adopt a Proposition 65 No Significant Risk Level for titanium dioxide (airborne, unbound particles of respirable size) by amending Title 27, California Code of Regulations, section 25705(c)(2).

A list of registered medical supervisors in the biomonitoring program who measure cholinesterase activity in blood samples collected from agricultural workers who regularly handle category I and II organophosphate and carbamate pesticides.

Today, the California Environmental Protection Agency’s Office of Environmental Health Hazard Assessment (OEHHA) issued a fish consumption advisory for Gene Wash Reservoir, located near the California-Arizona border, in San Bernardino County. The advisory provides safe-eating advice for black bass species, Common Carp, Flathead Catfish, and sunfish species.

Fish advisory for Gene Wash Reservoir in San Bernardino County.

OEHHA may send letters to interested parties that assist in understanding Proposition 65 statutes and regulations, and their application.

The Office of Environmental Health Hazard Assessment (OEHHA) is providing notice of changes to the proposed regulatory action to amend, Title 27 of the California Code of Regulations, Sections 25601, 25602, 25603, and 25607.2 and adopt new Sections 25607.50, 25607.51, 25607.52, and 25607.53. The public comment period begins June 13, 2024, and ends June 28, 2024.

This webinar is the fourth in the series, co-convened with the California Department of Fish and Wildlife. It will address the impacts of climate change on California’s wildlife and the efforts underway to address them.

Childrens health reports and resources. 

The California Environmental Protection Agency’s Office of Environmental Health Hazard Assessment (OEHHA) is hosting a series of webinars as part of its efforts to track and report on climate change and its impacts on California. This webinar is the third in the series and will be co-convened with CDPH.

Harmful algal blooms (HABs) also occur in the ocean, and can cause illnesses in humans and animals. This page provides an overview of potential marine HAB illnesses, precautions to reduce exposure, and how to report any potential illnesses that may occur.