Engineered stone, or quartz, is a man-made material made with high concentrations of silica that is commonly used to make kitchen countertops in the U.S. And it’s making the workers who cut this material sick. And even though California has safety rules in place to reduce the risk to workers, some say it’s time to ban the use of engineered stone altogether.

This episode first aired on ⁠Dec. 15, 2025⁠.

Links:

Doctors say measures to control an incurable lung disease aren't enough : NPR

As Lung Disease Threatens Workers, Lawmakers Seek Protections for Countertop Manufacturers - KFF Health News

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