SMC-Connect Logo

Find community services in San Mateo County

Occupational Health Branch., Hazard Evaluation System and Information Service (HESIS)


Occupational Health Branch., Hazard Evaluation System and Information Service (HESIS)

California State Department of Public Health

Information and consultation on toxic materials and occupational hazards.


Provides employees, labor unions, health care professionals and government agencies with up-to-date information on the health effects of hazards in the workplace and how to protect against them. Provides consultation to health care professionals in the prevention, diagnosis and treatment of occupational disease. Staff includes physicians, scientists, health and safety specialists and others who actively seek out and warn of unrecognized occupational hazards. Provides written materials to improve worker awareness and safety on the job. Provides information through a library of current data and access to scientific information on occupational hazards. Some literature is available in Spanish and other languages. All requests are confidential to the extent provided by law.


Public Transit:

Not necessary for service.
850 Marina Bay Parkway, Building P, Richmond, CA 94804 37.920308 -122.346055 Government

Service Options

Languages Spoken:

  • Spanish





Employees, employers, health care providers, industry and labor representatives, government agencies, persons exposed to occupational hazards



How to Apply:

Write or call for information.

Service Wait Estimate:


Service Areas:

  • Alameda County
  • Contra Costa County
  • Marin County
  • San Francisco County
  • San Mateo County
  • Santa Clara County
  • Statewide