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temporary standard (ETS) on respirable crystalline silica (RCS). This ETS includes important revisions to protect workers engaged in high-exposure trigger tasks (cutting, grinding, polishing, clean up, etc.) involving artificial stone and natural stone containing more than 10% crystalline silica.
This document is meant to inform you, the employer, of Cal/OSHA’s requirements under section 5204 to protect workers who cut, grind, polish or otherwise create dust from artificial or natural stone. To ensure compliance with section 5204, employers should consult the full standard.
It includes important revisions to protect workers engaged in high-exposure trigger tasks (cutting, grinding, polishing, clean up, etc.) involving artificial stone and natural stone containing more than 10% crystalline silica. The ETS goes into effect on December 29, 2023.
California is experiencing a silicosis epidemic among artificial stone fabrication workers. Artificial stone has become more widely used, especially in the manufacture of countertops. It contains more than 93% crystalline silica — more than double that for granite — so it is more hazardous to workers exposed to airborne dust.
The Occupational Health Branch at the California Department of Public Health has developed resources for employers to help keep their workers safe and reduce exposure to silica dust. The Workplace Air Monitoring for Silica employer guide (PDF) contains a step-by-step guide to silica air monitoring, to ensure that worker exposures to silica dust ...
When workers cut, grind, or drill materials that contain crystalline silica, or use industrial sand, they can be exposed silica dust particles. The following program template and resources will aid members in complying with the Cal/OSHA Silica standard by outlining silica controls, training, and proper selection and use of equipment.
23 Φεβ 2023 · The first, a new employer guide ( PDF) focusing on silica air monitoring in the workplace—particularly in the stone fabrication industry—outlines steps and best practices for conducting personal air monitoring for silica.
