Cal/OSHA Board OKs Petition To Ban Stone Fabrication To Prevent Silicosis

California OSHA’s (Cal/OSHA) standards board is granting a petition to launch a rulemaking to prohibit the fabrication and installation of artificial stone products containing more than 1 percent crystalline silica -- a move to protect workers after hundreds have contracted the deadly lung disease silicosis in recent years and more than 30 have died.