Items Tagged with 'Crystalline silica dust'

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Union leaders call for new MSHA silica standard

Washington — Alarmed by a recent spike in cases of coal workers’ pneumoconiosis, a deadly but preventable condition commonly known as black lung, union presidents Cecil Roberts of the United Mine Workers of America and Leo Gerard of United Steelworkers have sent a letter to Mine Safety and Health Administration leader David Zatezalo requesting stricter regulation of respirable silica dust.
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