Occupational Health Branch
The Occupational Health Branch (OHB) promotes safe and healthy workplaces for all Californians.
What’s New at OHB?
Engineered Stone (ES) Silicosis Dashboard
The
ES Silicosis Dashboard contains surveillance data for ES Silicosis cases reported to the state since surveillance began in 2019. Data are updated weekly and are also available for download.
Program for Respirator Outreach, Training, Education, and Community Testing (PROTECT)
The PROTECT program provides workers and the general public the tools they need to protect themselves from respiratory hazards, such as wildfire smoke or infectious diseases such as COVID-19.
For Cannabis Industry Workers and Employers
Health and Safety in the Cannabis industry
For Stone Fabrication Workers
Hazard Alert for Workers (PDF) | Spanish | Chinese - a fact sheet for workers
For Stone Fabrication Employers
Silica: Emergency Temporary Standard (ETS) Fact Sheet (PDF) - guide for employers
Workplace Air Monitoring for Silica: Employer Guide (PDF, 8.6MB) - easy-to-use guide to get started
For Health Care Providers
Silicosis in Countertop Fabrication Workers, UCLA (free CME)
Recent Work by OHB Staff
NEW! Indoor Air Quality Assessments in 10 Long-Term Care Facilities during the COVID-19 Pandemic, California, 2021–2023, Journal of the American Medical Directors Association (October 2024)
NEW! Occupational Heat Related Illness (HRI) Emergency Department Visits, California, 2016–2021 (PDF), Analysis Report - key findings from analysis of emergency department visits for work-related heat illness (August 2024)
Unmet Mental Health Needs Among California Workers Since the Start of the COVID-19 Pandemic, Journal of Occupational and Environmental Medicine (April 2024)

