California Moves To Ban Quartz Countertops Due To Lung Disease

California is moving towards a ban on the fabrication of engineered quartz, a popular countertop material, due to a significant increase in deadly lung disease among workers. State officials have characterized the situation as an "epidemic" of silicosis, a condition that has disproportionately affected those who cut and shape the material. A petition submitted to the state's Occupational Safety and Health Standards Board highlights the necessity of this action, stating, "This action is necessary in light of the continuing epidemic of silicosis that is causing disabling disease and death among California fabrication workers." The petition further advocates for the elimination of hazardous products and their substitution with safer alternatives as the most effective strategy for preventing occupational diseases.

Engineered quartz, distinct from natural quartzite, is a manufactured product composed primarily of crushed quartz bound by polymer resins. Its popularity surged in the early 2000s, driven by its aesthetic appeal, durability, low maintenance, and competitive pricing compared to some natural stones, leading it to become the most prevalent countertop material in the United States. However, concurrent with its widespread adoption in kitchens and bathrooms across the U.S., there has been a documented rise in silicosis cases among the workers involved in its fabrication. According to data from the Occupational Health Branch of the California Department of Public Health, the state has confirmed 660 cases of engineered-stone silicosis and recorded 35 deaths related to the disease. If enacted, this prohibition would position California as the first state to effectively remove high-silica-engineered stone from countertop fabrication facilities.

Silicosis is a serious lung disease that develops when individuals inhale respirable crystalline silica (RCS). These microscopic particles are released into the air during processes such as cutting, grinding, drilling, or sanding materials containing silica. Once inhaled, these particles can embed themselves deep within the lungs, initiating an inflammatory response and leading to irreversible scarring. This scarring impairs lung function, making breathing increasingly difficult, and can ultimately be fatal. The widespread use of engineered quartz, which contains a high concentration of silica, has created a hazardous environment for fabrication workers who are regularly exposed to these fine, dangerous particles without adequate protection. The proposed ban aims to address this critical public health issue by removing the source of the hazard from the workplace.