Editor's note
Importers and fabricators should monitor U.S. state-level regulatory developments closely, particularly in California, as they may signal future national policy shifts or sourcing restrictions. The high silica content of engineered quartz slabs is the core regulatory driver, potentially increasing compliance costs or limiting market access. Supply chains for alternative materials like porcelain or sintered stone may see increased demand.
Engineered quartz, a leading U.S. countertop material, faces increased regulation and potential bans due to worker safety concerns related to silica dust exposure during fabrication. Australia has implemented a nationwide ban. In the U.S., California's occupational safety agency (Cal/OSHA) has enacted emergency temporary rules as of December 2023, following the identification of 95 worker silicosis cases and 10 deaths since 2019. The rules require compliance with OSHA's silica standards and may lead to a prohibition if safety measures prove insufficient. The industry association representing major manufacturers has voiced support for the California measures. Engineered stone contains over 90% silica, significantly higher than granite or porcelain.
Engineered quartz became the most used U.S. countertop material in 2021. However, its fabrication poses silicosis risks to workers due to high silica content (over 90%).
Australia has banned the material entirely. In the U.S., California's Cal/OSHA implemented emergency temporary rules in December 2023. The state has reported 95 worker silicosis cases and 10 deaths since 2019.
The rules mandate compliance with existing OSHA silica standards (effective September 2017) and Cal/OSHA will review inspection data after six months to determine if a prohibition on engineered stone is necessary.
The Agglomerated Stone Manufacturers Association (AStA), representing makers like Caesarstone, Cambria, and Cosentino, supports the California measures. Regulatory focus is increasing as designers and homeowners weigh human safety in product selection.
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Sources
Source article: Are America’s Favorite Countertops Going Away? | Source publish time: Apr 03, 2024 | Source language: en
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