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silica mining in mufulira rabyaareas affected by mining in mufuliraMufulira Mine Report By NAMUTENGA SAKAPILA Women of Zimba cooperative in Mufulira have said the luck of weigh bridges has hindered progress in their silica mining The women raised a concerned on the suspicious way the middle men are handling weighing and payment of their silica LEGALISES ILLEGAL MINING .
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Crosssectional silica exposure measurements at two ...We measured the quartz content of 20 bulk settled dust and 200 respirable dust samples in a crosssectional dust exposure assessment that is part of an epidemiological study to ascertain the risk of nonmalignant respiratory diseases among Zambian copper miners. Dust samples were collected from the copper mines of Mopani Copper Mine plc (Mufulira and Nkana Mines).
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silica mining in mufuliraCrossSectional Silica Exposure Measurements at Two . quartz The mean bulk dust silica content of Nkana and Mufulira Mines were 20 and 57%, respectively At Nkana and Mufulira Mines, 102 and 101 personal dust samples were collected during eight hour shifts, respectively The mean sampling times for Nkana and Mufulira Mines were 307 and 312 minutes, respectively
