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Vermiculite and Asbestos: The Libby, Montana Problem

机译:蛭石和石棉:Libby,Montana问题

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摘要

The properties and commercial uses of vermiculite are reviewed. Adverse health effects associated with worker exposure in asbestos-contaminated vermiculite mines are discussed. A review of the history of the vermiculite mining operations in Libby, Montana is given as well as brief statistics on disease and mortality believed associated with exposure to the ore during mining and processing. A review of analytical methods and monitoring strategies potentially useful for monitoring asbestos in vermiculite and in airborne emissions associated with mining, processing, and use of vermiculite is given. MSHA, OSHA, and EPA regulations related to monitoring and use of asbestos containing materials are reviewed and their relative effectiveness in controlling exposures is discussed.
机译:综述了蛭石的性质和商业用途。讨论了与工人暴露于石棉污染的蛭石地雷相关的不良健康影响。给出了Libby,蒙大拿州蛭石采矿业务历史的审查,以及关于在采矿和加工过程中接触矿石的疾病和死亡率的短暂统计。给出了对蛭石和采矿,加工和使用蛭石的蛭石和空气中排放的分析方法和监测策略的审查潜在可用于监测蛭石中的空中排放。讨论了与监测和使用无石棉材料相关的MSHA,OSHA和EPA法规,并讨论了控制曝光方面的相对有效性。

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