Published December 7, 2023 at 400 × 285 in New Rules: Vote on Silica ETS This Month Silicosis cases in California’s engineered stone industry rose 79% from July to November 2023, according to CDPH. – L.A. County DHS Silicosis cases in California’s engineered stone industry rose 79% from July to November 2023, according to CDPH. – L.A. County DHS