Latest News

The Office of Environmental Health Hazard Assessment is announcing the availability of a draft document for review by the Scientific Review Panel on Toxic Air Contaminants. This draft summarizes the carcinogenicity data and presents the derivation of a cancer inhalation unit risk factor (IUR) for isoprene, as part of the Air Toxics Hot Spots program. Cancer IURs are used to estimate lifetime cancer risks associated with inhalation exposure to a carcinogen.

This webinar is the fifth in the series, co-convened with the Ocean Protection Council. It will address the impacts of climate change on California’s oceans and coasts, and efforts underway to address them.

Explore the indicators that show how climate change is affecting California. Updates to plain language summaries of multiple indicators published in the 2022 Indicators of Climate Change in California report are now available.

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.

Fish advisory for Gene Wash Reservoir in San Bernardino County.

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.

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.