To contact HESIS:
Hazard Evaluation System and Information Service
Occupational Health
Branch
850 Marina Bay Parkway
Building P, 3rd Floor
Richmond, CA
94804
(510) 620-5757 (Main Number)
(510) 620-5743 (Fax)
Public Information Lines -- toll-free numbers for
California callers
- Workplace Hazard Helpline (866) 282-5516
- Free Publications on Workplace Hazards (866) 627-1586
Hazard Evaluation
System and Information Service (HESIS) home page