Brick Mason A white male non-smoker was diagnosed with silicosis, emphysema, and lung cancer at age 70 after working 41 years as a mason laying brick. The diagnosis was made after an open lung biopsy (a chest X-ray had shown no evidence of silicosis). This worker spent part of his time around coke ovens doing fire brick work. He wore a respirator when he was working in dusty conditions. Information about dust controls was not available. Rock Driller A 47-year-old man was diagnosed with severe silicosis after working 22 years as a rock driller. He was diagnosed in 1992 after he was brought to […]