Cal/OSHA questions-for-july-2026-meeting | Page 2

• A statement affirming the employer will not manufacture or fabricate artificial stone containing more than 1.0 % crystalline silica by weight after the effective date of the prohibition.
• A statement affirming the employer will comply with all requirements in section 5204 for high-exposure trigger tasks during the phase-out period.
• Methods the employer will use to communicate and coordinate with suppliers, customers, contractors, installers, and employees about the artificial stone phase-out and prohibition.
• Methods the employer will use to evaluate the crystalline silica content and material type( artificial stone, granite, marble, quartzite, porcelain, sintered stone, solid surface, etc.) before purchase or fabrication.
• Methods the employer will use to identify approved replacement products.
• Methods to document the crystalline silica content of all products at the worksite.
• Methods to document the material type of all products at the worksite.
• Methods to notify and inform all employees, in a language understood by employees, that fabrication of artificial stone containing crystalline silica is dangerous to life and health, and that its use will be prohibited at the worksite by the effective date of the prohibition.
7. What kind of support / regulations, etc. are needed for workplaces handling waste or unwanted inventory?
8. How should products be tested and certified once a prohibition is in place?
9. What testing protocols should be required before a substitute material is marketed as a safer alternative?
10. What documentation is needed to demonstrate material type( artificial stone, natural stone, porcelain, sintered stone, solid surface, etc.) and crystalline silica content?