The mission of the Office of Environmental Health Hazard Assessment (OEHHA) is to protect and enhance public health and the environment by scientific evaluation of risks posed by hazardous substances.

To learn more about OEHHA click here.


Jan 9, 2018: San Ysidro Community Air Study
The San Ysidro Air Study is a collaboration between the San Ysidro community in San Diego, state and local government, and academia to collect neighborhood air pollution data using advanced low-co
Jan 5, 2018: Free Training for Healthcare Providers
Courses are available on-line or on-site. Each course is approximately one hour, and continuing education credits may be provided.  Courses are available in English and Spanish.