Vermiculite Is Not Asbestos
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منابع مشابه
Fatal asbestosis 50 years after brief high intensity exposure in a vermiculite expansion plant.
The authors report the case of a 65-year-old accountant whose only asbestos exposure was during a summer job 50 years earlier in a California vermiculite expansion plant. Vermiculite is a silicate material that is useful in building and agriculture as a filler and insulating agent. He developed extensive fibrocalcific pleural plaques and end-stage pulmonary fibrosis, with rapidly progressive re...
متن کاملInternalization of Libby amphibole asbestos and induction of oxidative stress in murine macrophages.
The community members of Libby, MT, have experienced significant asbestos exposure and developed numerous asbestos-related diseases including fibrosis and lung cancer due to an asbestos-contaminated vermiculite mine near the community. The form of asbestos in the contaminated vermiculite has been characterized in the amphibole family of fibers. However, the pathogenic effects of these fibers ha...
متن کاملAmphibole-asbestos, Vermiculite Mining and Libby, Montana: What’s in a Name?
Introduction: Over the past year, tremoliteasbestos and vermiculite mining in Libby, Montana have gone from obscurity to the forefront of the national media. The Seattle Post-Intelligencer “broke” the story in November 1999 about the world’s largest vermiculite mine and the problems associated with its asbestos exposure. As the stories point out, several hundred miners, their families, and non-...
متن کاملNested Case–Control Study of Autoimmune Disease in an Asbestos-Exposed Population
OBJECTIVE To explore the potential association between asbestos exposure and risk of autoimmune disease, we conducted a case-control study among a cohort of 7,307 current and former residents of Libby, Montana, a community with historical occupational and environmental exposure to asbestos-contaminated vermiculite. METHODS Cases were defined as those who reported having one of three systemic ...
متن کاملCorrection to: Finley et al., Evaluation of tremolite asbestos exposures associated with the use of commercial products.
Tremolite is a noncommercial form of amphibole mineral that is present in some chrysotile, talc, and vermiculite deposits. Inhalation of asbestiform tremolite is suspected to have caused or contributed to an increased incidence of mesothelioma in certain mining settings; however, very little is known about the magnitude of tremolite exposure that occurred at these locations, and even less is kn...
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تاریخ انتشار 2000