chrysotile


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chrysotile

/chryso·tile/ (kris´o-tīl) the most widely used form of asbestos, a gray-green magnesium silicate in the serpentine class of asbestos; its dust may cause asbestosis or, rarely, mesotheliomas or other lung cancers.
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Bernard Coulombe, president of the Jeffrey asbestos mine, said the ruling was illogical and excessive in upholding the "evil [the chrysotile ban] which took place in France four years ago.
This interdisciplinary center is evaluating the health effects associated with chrysotile found at the Ambler, Pennsylvania, Superfund site (U.
For surface wipe samples, in terms of individual asbestos structure counts reported by the laboratory, 585 structures were chrysotile (Figure 3).
In particular, even though the content of many materials that contain asbestos is predominantly chrysotile, such materials often contain small quantities of amphibole asbestos impurities and even intentionally added amphiboles.
In the meantime, IPCS sent a very incomplete third draft of its report on chrysotile asbestos to the expert panel charged with writing the final report.
Vorwald et al (1) concluded that fibrogenicity of chrysotile asbestos was related to fibers 20 [micro]m or greater in length.
We examined the effects of chrysotile and crocidolite asbestos treatment on intracellular ROS production in human small airway epithelial (SAE) cells and found that mitochondrial-originated reactive oxidants were involved in mediating asbestos-induced nuclear DNA damage and mutagenesis.
The structure, chemical composition, and persistence of chrysotile in biological systems differ from those of the amphiboles (Roggli, 1990).
Inquiries into the adverse effects of chrysotile by the Province of Quebec in 1976 and by the Ontario Royal Commission in 1984 were effective public relations exercises in that they did not provoke an outcry or impair exports.
The mine's expansion would exploit a significant underground reserve of Chrysotile asbestos, beginning in 2012.
binapacryl; DNOC and its salts; ethylene dichloride; ethylene oxide; monocrotophos; parathion; toxaphene and dustable powder formulations containing a combination of benomyl at or above 7 per cent, carbofuran at or above 10% and thiram at or above 15%; actinolite asbestos; anthophyllite asbestos; amosite asbestos; tremolite asbestos; tetraethyl lead and tetramethyl lead; parathion; and chrysotile asbestos.
Chrysotile, or white asbestos, makes up almost 95 per cent of all the asbestos used in industry.