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amphibole asbestos

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amphibole asbestos

Collective term for three highly fibrous (asbestiform) varieties of amphibole: crocidolite, amosite, and actinolite. All have long, silky to splintery fibres with appreciable tensile strength and are of economic importance as asbestos.



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The Chrysotile Institute, a nonprofit organization funded by the Canadian government, maintains that chrysotile is not as toxic as amphibole asbestos.
The median amphibole asbestos fiber counts for all subjects irrespective of fibrosis were 16 million fibers per gram of dry lung tissue for a naval dockyard cohort and 106 million fibers per gram of dry lung tissue for an asbestos product factory cohort (19,20); their respective standardized mortality ratios were 84 (not elevated) and 210 (more than doubling of risk).
The amphibole asbestos has different physical and chemical properties from chrysotile, states a Natural Resources Canada (NRCan) report.
 
 
 
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