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Occupational Health Branch

The Occupational Health Branch (OHB) promotes safe and healthy workplaces for all Californians.

​​What’s New at OHB?

Occupational Health Indicators Dashboard

NEW! The Occupational Health Indicators Dashboard​ allows the user to view trends in California’s occupational health indicators from 2016 to 2021. The dashboard will be updated as new data becomes available.

​Countertop Fabrication Operations in California Dashboard​​

NEW! The Countertop Fabrication Operations in California Dashboard contains information about countertop fabrication operations and operations with confirmed engineered stone silicosis cases identified by CDPH. ​ Data are updated quarterly.

​Heat Safety at Work for Workers and Employers

Heat Safety at Work - ​for workers and employers providing guidance, resources, and educational materials. 

State Compensation Insurance Fund Safety Event (May 9, 2025)
What’s New in the Revised Lead Construction Regulation

View a recording of the webinar led by experts from the California Department of Public Health, Cal/OSHA, and State Fund, about the new regulations, including extensive revisions to the standard and how to apply them to your workplace.​ ​View State Fund webinar​.​

Valley Fever 

 Valley Fever: Tailgate Training ​​Guide f​or California Construction Workers ​(PDF, 1.8MB) | Valley Fever: Tailgate Training ​​Guide f​or California Construction Workers (Spa​nish, PDF, 1.7MB)​​ – short, interactive training guide that covers worker training elements required by California Labor Code Section 6709, June 2025​

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)
Updated in August 2025 to reflect Cal/OSHA's permanent standard​

For Stone Fabrication Employers

Guide for Stone Fabricators: Exposure to Respirable Crystalline Silica (PDF)
A guide for employers from CDPH​ about Cal/OSHA’s updated permanent standard.​

 Workplace Air Moni​toring for Silica: Employer Guide (PDF)​ - easy-to-use guide to get started (updated May 2025)

For Health Care Providers

Silicosis in Countertop Fabrication Workers: What Providers Need to Know (PDF)

​Silicosis in Countertop Fabrication Workers, UCLA (free CME)

Recent Work by OHB Staff

Silicosis Surveillance in California, 2019–2024: Tracking an Epidemic​​, ​​​American Journal of Public Health (September 2025)​​

Silica Hazards in Engineered Stone Countertop Production: Worker Experiences and Challenges in Los Angeles​, American Journal of Industrial Medicine (July 2025)​

 Work-related asthma in the cannabis industry: Findings from California, Massachusetts, Michigan and Washington​​, Journal of Occupational and Environmental Medicine (June 2025)

Occupational Heat Related Illness (HRI) Emergency Department Visits, California, 2016–2023 (PDF)​, Analysis Report - key findings from analysis of emergency department visits for work-related heat illness​ (Updated April 2025)​​

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)​

Unmet Mental Health Needs Among California Workers Since the Start of the COVID-19 Pandemic​, Journal of Occupational and Environmental Medicine (April 2024)​​​



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