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The Dangers of Exposure to Asbestos Before it was banned, asbestos was widely used in commercial products. Research suggests that exposure to asbestos can cause cancer and other health problems. You can't tell if something includes asbestos simply by looking at it and you cannot smell or taste it. It is only found when asbestos-containing materials are chipped, drilled or broken. Chrysotile At its peak, chrysotile accounted for up 99% of the asbestos production. It was employed in many industries, including construction, fireproofing, and insulation. If workers are exposed to asbestos, they may develop mesothelioma or other asbestos-related diseases. Since the 1960s, when mesothelioma began to become a concern asbestos use has been reduced significantly. However, it is still present in trace amounts. are still present in many of the products we use in the present. Chrysotile is safe to use when you have a thorough safety and handling plan in place. It has been determined that at the current controlled exposure levels, there isn't an unneeded risk to the people who handle the substance. The inhalation of airborne particles has been strongly associated with lung cancer and lung fibrosis. This has been proven to be true for both intensity (dose) and the duration of exposure. In one study, mortality rates were compared among a factory which used largely chlorosotile to make friction materials and national death rates. It was found that, for 40 years of processing asbestos chrysotile in low levels of exposure there was no significant additional mortality in this factory. Chrysotile fibres tend to be shorter than other types of asbestos. They can pass through the lungs and enter the bloodstream. They are therefore more likely to cause health problems over longer fibres. When chrysotile mixes with cement, it is extremely difficult for the fibres to breathe and pose any health risk. Fibre cement products are widely used in various parts of the world, including schools and hospitals. Research has shown that chrysotile is less prone to cause disease than amphibole asbestos, such as amosite and crocidolite. These amphibole types are the main cause of mesothelioma and other asbestos-related diseases. When chrysotile gets mixed with cement, it forms an extremely durable and flexible building product that is able to withstand severe weather conditions and other environmental hazards. It is also simple to clean after use. Professionals can safely dispose of asbestos fibres after they have been removed. Amosite Asbestos is a category of silicate minerals with fibrous structure that naturally occur in certain kinds of rock formations. It is classified into six groups including amphibole (serpentine) and tremolite (tremolite), anthophyllite (crocidolite) and anthophyllite. Asbestos minerals consist of long, thin fibers that vary in length from extremely fine to wide and straight to curled. These fibres are found in nature as individual fibrils, or as bundles with splaying ends called a fibril matrix. Asbestos minerals are also found as a powder (talc) or mixed with other minerals and sold as talcum powder and vermiculite and are used in consumer products like baby powder cosmetics, face powder and other. The heaviest asbestos use occurred during the early two-thirds of the twentieth century when it was utilized in shipbuilding, insulation, fireproofing and other construction materials. Most occupational exposures were to asbestos fibres borne by air, but some workers were exposed toxic talc or vermiculite and to pieces of asbestos-bearing rocks (ATSDR 2001). Exposures varied by the type of industry, the time period, and geographic location. Most asbestos exposures that workers were exposed to was caused by inhalation, however some workers were also exposed through contact with skin or by eating food contaminated with asbestos. Asbestos can be found in the environment due to natural weathering and degrading of products that are contaminated like ceiling and floor tiles as well as car brakes and clutches, as well as insulation. It is becoming evident that amphibole fibers that are not commercially available could also be carcinogenic. These fibers aren't weaved like the fibrils in amphibole and serpentine but are instead loose as well as flexible and needle-like. These fibers are found in the mountain sandstones, cliffs and sandstones in a variety of countries. Asbestos can be absorbed into the environment in a variety ways, including as airborne particles. It can also be absorbed into soil or water. This happens both through natural (weathering and erosion of asbestos-bearing rocks) and anthropogenic (disintegration and disposal of asbestos-containing materials in landfill sites) sources. Asbestos contamination in ground and surface waters is primarily due to natural weathering. However, it has also been caused by human activity, for instance through the mining and milling of asbestos-containing materials, demolition and dispersal, and the disposal of contaminated dumping materials in landfills (ATSDR 2001). Airborne asbestos fibres are the main cause of illness in people exposed to it in their occupation. Crocidolite Inhalation exposure is the most common method of exposure to asbestos fibres. The fibres can penetrate the lungs and cause serious health problems. This includes asbestosis and mesothelioma. Exposure to fibres can occur in other ways, too, such as contact with contaminated clothing or materials. This kind of exposure is more dangerous when crocidolite (the blue asbestos form) is involved. Crocidolite fibers are softer and less brittle which makes them more difficult to breathe in. They also can get deeper within lung tissues. It has been linked to a higher number of mesothelioma-related cancers than any other type of asbestos. The six main types of asbestos are chrysotile, amosite as well as epoxiemite. Tremolite is anthophyllite and actinolite. The most common forms of asbestos are epoxiemite as well as chrysotile which together make up 95% all commercial asbestos used. The other four forms haven't been as widely utilized however they can be found in older buildings. They aren't as hazardous as amosite or chrysotile but still be dangerous when combined with other minerals or when mined close to other mineral deposits like talc and vermiculite. Many studies have discovered an association between exposure to asbestos and stomach cancer. A number of studies have confirmed that asbestos exposure is linked to stomach. However there is no conclusive evidence. Certain researchers have cited an SMR (standardized death ratio) of 1.5 (95% confidence interval: 0.7-3.6), for all asbestos workers. However, others report an SMR of 1,24 (95 percent 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. minneapolis asbestos attorneys of asbestos can cause mesothelioma and other health problems, but the risks vary according to the amount of exposure that people are exposed to, the type of asbestos involved, the duration of their exposure and the manner in which it is inhaled or ingested. The IARC has advised that avoiding all forms of asbestos is the best option since this is the best option for individuals. If you have been exposed in the past to asbestos and are suffering from a respiratory disorder or mesothelioma then you should talk to your doctor or NHS111. Amphibole Amphiboles are a collection of minerals which can create prism-like or needle-like crystals. They are a type of silicate mineral composed of double chains of molecules of SiO4. They typically have a monoclinic crystal structure, although 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 which are connected in rings of six. Tetrahedrons are distinguished from each other by octahedral sites that are surrounded by strips. Amphibole minerals are found in metamorphic and igneous rocks. They are typically dark-colored and are hard. Due to their similarity of hardness and color, they could be difficult for some to distinguish from pyroxenes. They also have a comparable cut. However, their chemistry allows for a wide range of compositions. The chemical compositions and crystal structures of the various mineral groups found in amphibole may be used to identify them. Amphibole asbestos consists of chrysotile, and the five asbestos types amosite anthophyllite (crocidolite), amosite (actinolite), and amosite. Each type of asbestos has distinct characteristics. Crocidolite is considered to be the most hazardous asbestos type. It is composed of sharp fibers that can be easily breathed into the lungs. Anthophyllite can be found in a brownish or yellowish hue and is made mostly of iron and magnesium. It was previously used in products such as cement and insulation materials. Amphibole minerals are hard to analyze because they have a a complicated chemical structure and a variety of substitutions. A thorough analysis of the composition of amphibole mineral requires specialized techniques. The most popular methods of identifying amphiboles include EDS, WDS, and XRD. However, these methods only provide approximate identifications. For example, these techniques are unable to distinguish between magnesio-hastingsite from magnesio-hornblende. These techniques also cannot distinguish between ferro-hornblende and.