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The Dangers of Exposure to AsbestosBefore it was banned, asbestos was widely used in commercial products. According to studies, exposure to asbestos can cause cancer, as well as other health problems.It is impossible to determine if a product is asbestos-containing simply by looking at it and you cannot taste or smell it. Asbestos is only detected when materials containing it are broken, drilled, or chipped.ChrysotileAt its peak, chrysotile accounted for 99% of the asbestos created. It was used by many industries including construction insulation, fireproofing and insulation. If workers are exposed to asbestos, they may develop mesothelioma or other asbestos-related diseases. Fortunately, the use of this dangerous mineral has decreased significantly since mesothelioma awareness began to grow in the 1960's. However, trace amounts of it are still found in many of the products we use today.Chrysotile can be safely used with a well-thought-out safety and handling plan is put in place. It has been proven that, at the present controlled exposure levels, there is no unneeded risk to the people handling the substance. Lung fibrosis, lung cancer and mesothelioma have been strongly associated with breathing in airborne respirable fibres. This has been proven for both the intensity (dose) and time of exposure.One study that examined a facility that used nearly exclusively chrysotile in the production of friction materials, compared mortality rates at this factory with national mortality rates. It was discovered that, for 40 years of processing asbestos chrysotile in low levels of exposure there was no significant excess mortality in this factory.In contrast to other forms of asbestos, chrysotile fibers tend to be shorter. They can enter the lungs, and even enter the bloodstream. This makes them much more prone to cause negative effects than fibres with longer lengths.It is very difficult for chrysotile fibrous to be airborne 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 like crocidolite or amosite is less likely than chrysotile to cause diseases. These amphibole types have been the most common cause of mesothelioma and other asbestos-related illnesses. When the cement and chrysotile are combined with cement, a tough product is produced that can withstand extreme environmental hazards and weather conditions. It is also easy to clean after use. Professionals can safely get rid of asbestos fibres after they have been removed.AmositeAsbestos is a grouping of fibrous silicates found in a variety of rock formations. It is comprised of six general groups: amphibole, serpentine anthophyllite, tremolite, anthophyllite, crocidolite (IARC, 1973).Asbestos minerals are made up of thin, long fibers that vary in length, ranging from very fine to wide and straight to curled. They are found in nature in the form of individual fibrils or bundles with splaying ends referred to as a fibril matrix. Asbestos minerals can also be found in powder form (talc) or mixed with other minerals and sold as talcum powder and vermiculite which are widely used in consumer products, such as baby powder cosmetics, face powder, and baby powder.The greatest asbestos use was during the first two-thirds of the twentieth century where it was used in insulation, shipbuilding, 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 rock (ATSDR 2001). Exposures varied from industry to industry, from era to, and geographical location.Most of the asbestos exposures that workers were exposed to was caused by inhalation, however some workers were also exposed through skin contact or by eating food contaminated with asbestos. Asbestos is only found in the environment because of natural weathering and degradation of contaminated products, such as ceiling and floor tiles cars, brakes and clutches, and insulation.There is growing evidence that non-commercial amphibole fibers could also be carcinogenic. These are the fibres that don't form the tightly weaved fibrils of amphibole or serpentine minerals but instead are loose, flexible and needle-like. These fibers can be found in mountain sandstones, cliffs and sandstones from a variety of nations.Asbestos enters the environment mainly in the form of airborne particles, however it can also be absorbed 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 materials in landfill sites) sources. Asbestos contamination of surface and ground water is mostly a result of natural weathering, however it has also been caused by anthropogenic activities like mining and milling, demolition and dispersal of asbestos-containing materials and the disposal of contaminated soils for disposal in landfills (ATSDR 2001). Asbestos fibres that are emitted from the air are the main cause of disease among those exposed to it in their work.CrocidoliteInhalation exposure is the most common method of exposure to asbestos fibres. The fibres can penetrate the lungs and cause serious health problems. Mesothelioma as well as asbestosis and other illnesses can be caused by asbestos fibres. shreveport asbestos lawsuit to fibers can occur in a variety of ways, such as contact with contaminated clothing or construction materials. The dangers of this kind of exposure are higher when crocidolite, a asbestos' blue form, is involved. Crocidolite is smaller and more fragile fibers that are easier to inhale and can lodge deeper into lung tissue. It has been linked to a greater number of mesothelioma cases than any other form of asbestos.The main types are chrysotile as well as amosite. The most commonly used asbestos types are epoxiemite and chrysotile which together make up 95% all commercial asbestos used. The other four asbestos types are not as common, but may still be found in older structures. They are less hazardous than amosite or chrysotile but still be a risk when mixed with other minerals or when mined near other naturally occurring mineral deposits, such as vermiculite and talc.Numerous studies have revealed an connection between exposure to asbestos and stomach cancer. Numerous studies have shown a link between asbestos exposure and stomach. The evidence is not conclusive. Certain researchers have cited an SMR (standardized death ratio) of 1.5 (95 percent confidence interval: 0.7-3.6), for all asbestos workers, and others report an SMR of 1,24 (95% confidence interval: 0.76-2.5), for workers in chrysotile mines and mills.The International Agency for Research on Cancer (IARC) has classed all forms of asbestos as carcinogenic. All asbestos types can cause mesothelioma but the risks vary depending on how much exposure, the type of asbestos is involved and the length of time that exposure lasts. IARC has stated that the best choice for people is to avoid all types of asbestos. If you have been exposed to asbestos and suffer from a respiratory condition or mesothelioma, then you should talk to your doctor or NHS111.AmphiboleAmphiboles are a collection of minerals that may form needle-like or prism-like crystals. They are a type of inosilicate mineral that is composed of double chains of molecules of SiO4. They are a monoclinic system of crystals, but some exhibit 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, which are connected in rings of six. The tetrahedrons are separated each other with octahedral strips.Amphiboles are found in both igneous and metamorphic rock. They are usually dark and hard. Due to their similarity in hardness and color, they could be difficult for some people to distinguish from pyroxenes. They also have a comparable Cleavage. However their chemistry allows many different compositions. The chemical compositions and crystal structure of the various minerals in amphibole can be used to determine their composition.The five asbestos types that belong to the amphibole group include amosite, anthophyllite and chrysotile, crocidolite, and actinolite. The most widely used asbestos type is chrysotile each type has its own unique characteristics. Crocidolite is among the most dangerous asbestos type. It contains sharp fibers which are easily inhaled into the lungs. Anthophyllite has a brownish to yellowish color and is composed primarily of magnesium and iron. This variety was once used in products like cement and insulation materials.Amphiboles are difficult to analyse because of their complex chemical structure and numerous substitutions. A detailed analysis of the composition of amphibole minerals is a complex process that requires specialized techniques. EDS, WDS and XRD are the most commonly used methods of identifying amphiboles. These methods are only able to provide approximate identifications. For instance, these methods cannot distinguish between magnesiohastingsite and magnesio-hornblende. Additionally, these techniques do not distinguish between ferro-hornblende and pargasite.