Emergency Response

OEHHA's Highlighted Emergency Response Activities



If you believe that you have been exposed to a hazardous chemical, or if you are in immediate danger, call 9-1-1.

OEHHA's Emergency Function:

To provide emergency personnel with information on the health effects of chemical agents and characterizing the risk to the public and environment from chemical releases

Firefighters respond to a chemical spill

Emergency Response Reports

The Wildfire Smoke: A Guide For Public Health Officials Revised 2019  August 22, 2019. This guide is designed to help local public health officials prepare for smoke events, to 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
Protección de la Salud Pública contra las Cenizas de Incendios en Casas y Edificios (Spanish)

firefighter in full gear surrounded by smokeThis report summarizes safe methods of ash cleanup.  All persons accessing burned structures should be aware of the hazards associated with those sites. Cleanup efforts may expose you to ash, soot, and fire decomposition products that may cause irritation and other health effects. Any ash may contain small amounts of cancer-causing chemicals.

Sacramento Trestle Fire 2007

On March 15, 2007, a wooden train trestle caught fire northeast of downtown Sacramento, California. The trestle, largely constructed of creosote-treated wood ties and structural beams, continued to burn uncontained for 48 hours.

This report discusses the public health impacts from the Sacramento Trestle Fire and provides an analysis of air quality data.

Tire Fire Smoke: Major Constituents and Potential for Public Health Impacts

This 2002 report identifies the major chemical constituents of smoke from burning tires, the toxicity of those chemicals, and the potential effects on human health.

Oil Spills and Seafood

OEHHA is required to evaluate the potential public health risks associated with seafood consumption following oil spills into California waters.

Additional Resources for Emergency Information:


For questions regarding OEHHA's Emergency Response Program please contact: Emergency@oehha.ca.gov