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Year : 2012  |  Volume : 16  |  Issue : 3  |  Page : 95-100

Non-occupational exposure to silica dust


National Institute of Occupational Health, Meghani Nagar, Ahmedabad, Gujarat, India

Correspondence Address:
L J Bhagia
National Institute of Occupational Health, Meghani Nagar, Ahmedabad - 380 016, Gujarat
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0019-5278.111744

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Occupational exposure to silica occurs at workplaces in factories like quartz crushing facilities (silica flour milling), agate, ceramic, slate pencil, glass, stone quarries and mines, etc., Non-occupational exposure to silica dust can be from industrial sources in the vicinity of the industry as well as non-industrial sources. Recently, public concern regarding non-occupational or ambient exposure to crystalline silica has emerged making it important to gather information available on non-occupational exposures to silica dust and non-occupational silicosis. This paper reviews various non-occupational exposures reported in literature including some studies by the author. Methodology used in assessment of non-occupational exposures, standards for non-occupational exposures to silica dust and indirect estimation of cumulative risk % are also discussed.






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