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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 naturally occurring, carcinogenic, fibrous silicate mineral.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 the atmosphere by ...
The mineral asbestos is subject to a wide range of laws and regulations that relate to its production and use, including mining, manufacturing, use and disposal. [1][2][3] Injuries attributed to asbestos have resulted in both workers' compensation claims and injury litigation. [4][5] Health problems attributed to asbestos include asbestosis ...
Asbestos litigation is the longest, most expensive mass tort in U.S. history, involving more than 8,000 defendants and 700,000 claimants. [1] By the early 1990s, "more than half of the 25 largest asbestos manufacturers in the US, including Amatex, Carey-Canada, Celotex, Eagle-Picher, Forty-Eight Insulations, Manville Corporation, National Gypsum, Standard Insulation, Unarco, and UNR Industries ...
In 1951, asbestos companies removed all references to cancer before allowing publication of research they sponsored. [44] In 1952, Dr. Kenneth Smith, Johns-Manville medical director, recommended (unsuccessfully) that warning labels be attached to products containing asbestos.
Asbestosis is long-term inflammation and scarring of the lungs due to asbestos fibers. [4] Symptoms may include shortness of breath, cough, wheezing, and chest tightness. [1] Complications may include lung cancer, mesothelioma, and pulmonary heart disease. [1][9] Asbestosis is caused by breathing in asbestos fibers.
The US Environmental Protection Agency said Monday that it is taking a “historic” step by banning ongoing uses of asbestos, which has long been linked to multiple types of cancer.
Asbestos cement, genericized as fibro, fibrolite (short for "fibrous (or fibre) cement sheet"; but different from the natural mineral fibrolite), or AC sheet, is a composite building material consisting of cement and asbestos fibres pressed into thin rigid sheets and other shapes. Invented at the end of the 19th century, [1] the material was ...
Asbestos is a naturally occurring group of silicate minerals that can readily be separated into thin strong fibres that are flexible, heat resistant and chemically inert. [6] Within the United Kingdom and elsewhere in the world, asbestos was used extensively as a building material from the 1950s to the 1980s. [7]