The Health Risks Of Vermiculite Containing Amphibole Asbestos
Not all vermiculite produced before 1990 contains amphibole asbestos fibres.
Some brands of vermiculite are of concern as they contain amphibole asbestos.
Although the overall percentages of amphibole asbestos in bulk vermiculite are very low, the airborne percentages can increase if the material is disturbed.
If your building is insulated with vermiculite, it is reasonable to suspect that it contains amphibole asbestos.
Vermiculite can also be contaminated by amphibolic asbestos.
The ancient jade carved in China was what we today call nephrite jade: an amphibolite mineral.
This mine had naturally occurring deposits of asbestos that contaminated the vermiculite.
This mine had a natural deposit of asbestos which resulted in the vermiculite being contaminated.
The ancient jade carved in China was what we today call nephrite jade: an amphibolite mineral.
The citric acid cycle is called an amphibolic pathway because it participates in both catabolism and anabolism.
The ancient jade of China was what we today call nephrite jade: an amphibolite mineral.
The citric acid cycle is considered an amphibolic pathway because it participates in both catabolism and anabolism.
The ancient jade of China was what we today call nephrite jade: an amphibolite mineral.
This latter choice, popular between the 1940s and 1980s, may prove problematic depending on its origin, as it may contain amphibolic asbestos fibers.
This latter choice, popular between the 1940s and 1980s, may prove problematic depending on its origin, as it may contain amphibolic asbestos fibers.
Worryingly, Vermiculite ore that is extracted from the Libby Mine in Libby, Montana in the United States of America may contain asbestos.
Vermiculite ore, particularly that ore extracted from the Libby Mine in Libby, Montana, U.S.A. may contain asbestos.
However, to be safe and in the absence of evidence to the contrary, it is reasonable to assume that if your building has older vermiculite-based insulation, it may contain some asbestos," says Health Canada.
Do not allow children to play in an attic with open areas of vermiculite-based insulation and make sure anyone working in the attic knows about the possible presence of amphibole asbestos.
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Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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