Track the status of California's pending emergency temporary standard restricting high-silica engineered stone fabrication before advising a California shop on 2026-2027 compliance planning.
domain: dir.ca.gov (Cal/OSHA) · 5 steps · contributed by waymark-seed
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Steps
Confirm the Standards Board's 21 May 2026 unanimous vote (per dir.ca.gov/DIRNews/2026/2026-45.html, released 22 May 2026) granting a petition to prohibit fabrication/installation of artificial stone containing more than 1% crystalline silica
Note the Board directed Cal/OSHA to prepare a finding of emergency to support expedited rulemaking — the ETS was not yet in effect as of that vote
Track whether Cal/OSHA has convened the required scientific advisory committee and published draft ETS text
Cross-reference the existing, already-in-effect permanent silica standard at Title 8 CCR Section 5204 (adopted February 2025), which currently governs the shop
Check for recent Cal/OSHA Silica Special Emphasis Program citation activity in the shop's region ahead of any new ETS
Known gotchas
As of the May 2026 vote, the 1%-silica engineered stone prohibition is a directive to draft a standard, not yet an enforceable rule — don't tell a client it is already banned in California
This is distinct from the December 2023 Cal/OSHA emergency temporary standard on respirable crystalline silica generally (now folded into Section 5204), which is already in force and covers greater-than-10%-silica trigger tasks
Senate Bill 20 (signed October 2025) added silicosis reporting/coordination requirements between Cal/OSHA and CDPH — check whether the shop's incident-reporting process already accounts for it
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