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The Office of Environmental Health Hazard Assessment (OEHHA)

Our mission is to protect and enhance the health of Californians and our state’s environment through scientific evaluations that inform, support and guide regulatory and other actions.

To learn more about OEHHA click here.

Wild Fire Smoke - A Guide for Public Health Officials is designed to help local public health officials prepare for smoke events, take measures to protect the public when smoke is present, and communicate with the public about wildfire smoke and health.

Protecting Public Health from Home and Building Fire Ash This report summarizes safe methods of ash cleanup. Protección de la Salud Pública contra las Cenizas de Incendios en Casas y Edificios (Spanish)

 

For more information on: How Smoke from Fires Can Affect Your Health

News

Oct 5, 2018: Notice of Intent to list Bevacizumab
The California Environmental Protection Agency’s Office of Environmental Health Hazard Assessment (OEHHA) intends to list bevacizumab as known to the state to cause reproductive toxicity (developme
Oct 5, 2018: Proposed Amendment to Sections 25821(a) and (c) Level of Exposure to Chemicals Causing Reproductive Toxicity: Calculating Intake by the Average Consumer of a Product
This proposed regulatory action would amend subsection (a) to clarify that where a business presents evidence for the “level in question” of a chemical listed as causing reproductive toxicity in a food product based on the average of multiple samples of that food, the level in question may not be calculated by averaging the concentration of the chemical in food products from different manufacturers or producers, or that were manufactured in different facilities from the product at issue.