Background – Public Health and the Need for Employer Accountability
Senate Bill 20, also called the Silicosis Training, Outreach, and Prevention (STOP) Act, was signed into law by Governor Newsom on October 13, 2025.1 Senator Caroline Menjivar is on the forefront of this battle to avoid preventable injuries and illnesses by enforcing proper safety measures at fabrication shops.
Relevant History
On December 29, 2023, the California Occupational Safety and Health Standards Board instituted an emergency regulation to address occupational exposure to respirable crystalline silica. This regulation addressed additional safety requirements for businesses involved in cutting engineered stone, improved monitoring for workplace sites, and increasing the ability for workers to report non-compliant employers. These emergency regulations became permanent in February 2025.