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Asbestos (/ æ s ˈ b ɛ s t ə s, æ z-,-t ɒ s / ass-BES-təs, az-, -toss) [1] is a group of naturally occurring, toxic, carcinogenic and fibrous silicate minerals.There are six types, all of which are composed of long and thin fibrous crystals, each fibre (particulate with length substantially greater than width) [2] being composed of many microscopic "fibrils" that can be released into ...
Chrysotile or white asbestos is the most commonly encountered ... found notably at Val-des ... although industrially-processed chrysotile usually has shorter fibre ...
Although lung biopsy is usually not necessary, the presence of asbestos bodies in association with pulmonary fibrosis establishes the diagnosis. [27] Conversely, interstitial pulmonary fibrosis in the absence of asbestos bodies is most likely not asbestosis. [11] Asbestos bodies in the absence of fibrosis indicate exposure, not disease.
While the use of asbestos has been declining for decades in the US, asbestos exposure is linked to more than 40,000 deaths in the US, according to the EPA.
Parks and schools were closed Thursday in a Southern California city after officials found asbestos in the charred debris of an historic World War II-era blimp hangar. The city of Tustin closed at ...
Asbestos can be found naturally in the air outdoors and in some drinkable water, including water from natural sources. [20] Even nonoccupationally exposed members of the human population have tens to hundreds of thousands of asbestos fibers per gram of dry lung tissue, equivalent to millions of fibers in each lung. [21]
The 2016 law authorized new rules for tens of thousands of toxic chemicals found in everyday products, including substances such as asbestos and trichloroethylene that for decades have been known ...
The most common asbestiform mineral is chrysotile, commonly called "white asbestos", a magnesium phyllosilicate part of the serpentine group. Other asbestiform minerals include riebeckite, an amphibole whose fibrous form is known as crocidolite or "blue asbestos", and brown asbestos, a cummingtonite-grunerite solid solution series.
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