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The Dangers of Exposure to Asbestos Asbestos was found in thousands of commercial products before it was banned. According research, exposure to asbestos can cause cancer and many other health issues. It is difficult to tell by looking at a thing if it is made of asbestos. Also, you cannot smell or taste it. It is only discovered when asbestos-containing materials are chipped, drilled or broken. chicago asbestos attorneys At its peak, chrysotile made up for 95% of the asbestos made. It was used in many industries like construction, insulation, and fireproofing. If workers were exposed for long periods to this toxic material, they could develop mesothelioma as well as other asbestos related diseases. Thankfully, the use this harmful mineral has diminished significantly since awareness of mesothelioma began to spread in the 1960's. It is still found in many products we use in the present. Chrysotile is safe to use if you have a comprehensive safety and handling program in place. It has been proven that, at the present controlled exposure levels, there is no danger to those working with the substance. Lung fibrosis, lung cancer and mesothelioma were all associated with breathing in airborne respirable fibres. This has been confirmed both for intensity (dose) as in the time of exposure. One study that studied a factory that used almost all chrysotile as its friction materials compared mortality rates in this factory with national mortality rates. It was found that, for 40 years of preparing asbestos chrysotile in low levels of exposure there was no signifi cant additional mortality in this factory. Chrysotile fibres are usually shorter than other forms of asbestos. They are able to penetrate the lungs and then enter the bloodstream. This makes them more prone to cause negative effects than fibrils with a longer length. It is very difficult for chrysotile fibers to be a threat to the air or pose any health risk when mixed with cement. Fibre cement products are widely used in a variety of locations around the world, including schools and hospitals. Research has shown that amphibole asbestos, such as amosite or crocidolite is not as likely than chrysotile to cause disease. These amphibole kinds have been the main cause of mesothelioma and other asbestos-related illnesses. When cement and chrysotile mix together, a strong and flexible product is created that can withstand extreme weather conditions and environmental hazards. It is also simple to clean after use. Asbestos fibres are easily removed by a professional, and then removed. Amosite Asbestos is a grouping of fibrous silicates found in a variety of rock formations. It consists of six general groups: amphibole, serpentine anthophyllite, tremolite and crocidolite (IARC, 1973). Asbestos minerals are made up of thin, long fibers that range in length from fine to broad. They can be curled or straight. They can be found in nature in bundles or as individual fibrils. Asbestos is also found in powder form (talc) or mixed with other minerals in order to create talcum powder or vermiculite. They are extensively used as consumer goods, such as baby powder, cosmetics and facial powder. The most extensive asbestos use occurred during the first two-thirds of 20th century in the period when it was employed in shipbuilding, insulation, fireproofing and other construction materials. The majority of occupational exposures were asbestos fibres that were borne in the air, but certain workers were exposed to contaminated vermiculite or talc as well as to fragments of asbestos-bearing rocks (ATSDR, 2001). Exposures varied from industry to industry, era to and also from geographical location. The exposure to asbestos at work is mostly caused by inhalation. However, some workers have been exposed through skin contact or eating food that is contaminated. Asbestos is only present in the air due to the natural weathering of mined minerals and the degrading of contaminated materials like insulation, car brakes and clutches as well as ceiling and floor tiles. There is growing evidence that non-commercial amphibole fibres may also be carcinogenic. These are the fibres that don't form the tightly woven fibrils of the serpentine and amphibole minerals, but instead are loose, flexible and needle-like. These fibers can be found in mountains, sandstones, and cliffs of a variety of countries. Asbestos gets into the environment primarily in the form of airborne particles, however it also leaches into water and soil. This happens both through natural (weathering and erosion of asbestos-bearing rocks) and the anthropogenic (disintegration and disposal of asbestos-containing wastes in landfill sites) sources. Asbestos contamination in ground and surface waters is primarily caused by natural weathering. However it is also caused by anthropogeny, such as through the mining and milling of asbestos-containing materials demolition and dispersal and the disposal of contaminated dumping material in landfills (ATSDR 2001). Exposure to asbestos-containing airborne fibres is still the primary cause of illness for people exposed to asbestos in the workplace. Crocidolite Exposure to asbestos through inhalation is the most frequent way people are exposed dangerous fibres, which can then enter the lungs and cause serious health issues. Mesothelioma, asbestosis, and other illnesses can be caused by asbestos fibres. Exposure to asbestos fibers can be experienced in other ways, including contact with contaminated clothes or building materials. The dangers of exposure are more pronounced when crocidolite, the asbestos' blue form, is involved. Crocidolite has smaller, more fragile fibers that are easier to breathe in and may lodge deeper into lung tissue. It has been associated with more mesothelioma cases than other types of asbestos. The six main types are chrysotile, amosite and chrysotile. The most popular forms of asbestos are epoxiemite and chrysotile, which together make up the majority of commercial asbestos employed. The other four asbestos types are not as prevalent, but could still be present in older structures. They aren't as hazardous as amosite or chrysotile, but they can still be a risk when mixed with other minerals or when mined close to other mineral deposits such as talc and vermiculite. Numerous studies have shown an association between stomach cancer and asbestos exposure. The evidence isn't unanimous. Certain researchers have reported an overall SMR (standardized mortality ratio) of 1.5 (95% of the time CI: 0.7-3.6) for all asbestos-related workers as well as an SMR of 1.24 (95% CI: 0.76-2.5) for workers working in chrysotile mining and mills. IARC The IARC, which is the International Agency for Research on Cancer, has classified all forms of asbestos carcinogenic. All types of asbestos can cause mesothelioma or other health issues, but the risks are different based on the amount of exposure people are exposed to, the kind of asbestos used as well as the length of their exposure and the manner in the way it is inhaled or consumed. The IARC has recommended that avoid all forms of asbestos should be the top priority because this is the safest option for those who are exposed. If you've been exposed to asbestos and are suffering from a respiratory disorder or mesothelioma then you should seek advice from your physician or NHS111. Amphibole Amphiboles are groups of minerals that can form prism-like or needle-like crystals. They are a type of silicate mineral composed of double chains of SiO4 molecules. They are a monoclinic system of crystals, however some have an orthorhombic structure. The general formula of an amphibole is A0-1B2C5T8O22(OH,F)2. The double chains are made up of (Si,Al)O4 tetrahedrons that are linked in rings of six. Tetrahedrons are distinguished from one another by octahedral sites in strips. Amphiboles can be found in metamorphic and igneous rock. They are typically dark-colored and hard. They can be difficult to differentiate from pyroxenes because they have similar hardness and color. They also have a comparable cleavage. However, their chemistry allows for many different compositions. The chemical compositions and crystal structures of the various minerals in amphibole can be used to identify them. Amphibole asbestos comprises chrysotile and the five asbestos types amosite anthophyllite (crocidolite) amosite (actinolite), and amosite. While the most frequently used asbestos type is chrysotile, each variety has distinct characteristics. The most hazardous type of asbestos, crocidolite, is composed of sharp fibers that are simple to breathe into the lungs. Anthophyllite is brown to yellowish in color and is composed of magnesium and iron. This variety was once used in cement-based products and insulation materials. Amphiboles can be difficult to study due to their complicated chemical structure and numerous substitutions. Therefore, a thorough analysis of their composition requires special techniques. EDS, WDS and XRD are the most popular methods of identifying amphiboles. These methods are only able to provide approximate identifications. For example, these techniques are unable to distinguish between magnesio-hastingsite from magnesio-hornblende. Additionally, these techniques do not distinguish between ferro hornblende and pargasite.