Total Dust, Coal, Free Silica, and Trace Metal Concentrations in Bituminous Coal Miners' Lungs

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Abstract
The analysis of lung and pulmonary lymph node tissues of bituminous coal miners is a continuing study at the Cincinnati laboratory of the Bureau of Occupational Safety and Health, Public Health Service. Determinations are made for eleven trace elements (Be, Mg, Ti, V, Cr, Mn, Fe, Ni, Cu, Zn, and Pb), free silica, and coal, noncoal, and total dust. In this paper analyses of tissues from 65 deceased West Virginia bituminous coal miners are compared with results obtained in earlier work. Four specific sections of the left lung are compared as to mineral and elemental concentrations; average lung concentrations are compared with concentrations found in the hilar lymph nodes; mineral concentrations are compared with the concentrations found by other investigators in the lungs of coal miners from other geographical areas; and average lung element concentrations are compared with concentrations found in the lungs of nonminers.

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