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The Dangers of Exposure to Asbestos Before it was banned, asbestos was used in thousands commercial products. Research suggests that exposure to asbestos can cause cancer and other health problems. It is not possible to tell by simply taking a look at something if it is made of asbestos. You cannot taste or smell it. Asbestos is only detected when materials containing it are broken or drilled. Chrysotile At its peak, chrysotile made up for 99% of the asbestos that was produced. It was widely used in industries, including construction, insulation, and fireproofing. If workers are exposed to asbestos, they could develop mesothelioma along with other asbestos-related illnesses. Since the 1960s, when mesothelioma was first becoming a major concern the use of asbestos has been reduced significantly. It is still present in many of the products we use today. Chrysotile is safe to use provided you have a comprehensive safety and handling program in place. Chrysotile handling workers aren't at risk of being exposed to a high degree of risk at current limits of exposure. Inhaling airborne fibers has been linked with lung fibrosis and lung cancer. This has been confirmed for both the intensity (dose) and time span of exposure. One study that examined a facility that used nearly exclusively chrysotile for manufacturing friction materials, compared mortality rates in this factory with national mortality rates. The study concluded that, after 40 years of processing at low levels of chrysotile, there was no significant increase in mortality rates in this factory. Chrysotile fibers are generally shorter than other types of asbestos. They can penetrate the lungs and enter the bloodstream. This makes them much more prone to cause negative effects than fibrils with a longer length. When chrysotile mixes with cement, it's very difficult for the fibres to air-borne and cause health hazards. Fibre cement products are extensively utilized in many areas of the world including hospitals and schools. Research has shown that chrysotile is less likely to cause disease than amphibole asbestos like crocidolite and amosite. Amphibole types like these are the primary source of mesothelioma as well as other asbestos-related diseases. When cement and chrysotile mix and cured, a tough and flexible product is created that is able to withstand extreme environmental hazards and weather conditions. It is also very easy to clean after use. Asbestos fibres can easily be removed by a professional and eliminated. Amosite Asbestos refers to a set of silicate fibrous minerals that occur naturally in certain kinds of rock formations. It is comprised of six general groups: amphibole, serpentine anthophyllite, tremolite and crocidolite (IARC, 1973). Asbestos minerals consist of long, thin fibres that range in length, ranging from very fine to broad and straight to curled. They can be found in nature in bundles, or as individual fibrils. Asbestos minerals can also be found as a powder (talc) or mixed with other minerals and sold as vermiculite and talcum powder, which have been widely used in consumer products like baby powder, face powder and cosmetics. The greatest use of asbestos occurred in the first two-thirds of twentieth century where it was used in shipbuilding, insulation, fireproofing, and other construction materials. Most occupational exposures were to asbestos fibres that were borne in the air, but some workers were exposed toxic talc or vermiculite and also to fragments of asbestos-bearing rocks (ATSDR 2001). Exposures varied from industry to industry, from era to and geographic location. Most asbestos exposures that workers were exposed to was because of inhalation, but some workers were also exposed via skin contact or by eating food contaminated with asbestos. Asbestos is found in the environment because of natural weathering and the degradation of contaminated products, such as ceiling and floor tiles, car brakes and clutches, and insulation. It is becoming clear that non-commercial amphibole fibers can also be carcinogenic. These fibers aren't tightly knit like the fibrils found in serpentine and amphibole, but are instead loose as well as flexible and needle-like. These fibers are found in the mountains and cliffs of several countries. Asbestos can be found in the environment as airborne particles, but it can also be absorbed into soil and water. This can be caused by both natural (weathering of asbestos-bearing rock) as well as anthropogenic sources (disintegration of asbestos-containing wastes as well as disposal in landfill sites). Asbestos contamination of ground and surface water is typically a result of natural weathering, but it has also been caused by anthropogenic activities such as milling and mining demolition and dispersal asbestos-containing material and the disposal of contaminated dumping ground in landfills (ATSDR, 2001). Asbestos fibres that are emitted from the air are the primary cause of illness among people who are exposed to it during their job. Crocidolite Inhalation exposure to asbestos is the most frequent way people are exposed to harmful fibres, which could be absorbed into the lungs and cause serious health issues. Mesothelioma and asbestosis as well as other illnesses are caused by asbestos fibres. centennial asbestos law firm to asbestos fibres can occur in different ways too, such as contact with contaminated clothing or materials. The dangers of this kind of exposure are greater when crocidolite, the asbestos' blue form, is involved. Crocidolite is a smaller, more fragile fibers that are easy to inhale and can lodge deeper into lung tissue. It has been linked to a larger number of mesothelioma-related cases than any other form of asbestos. The six main types are chrysotile and amosite. The most popular asbestos types are epoxiemite and chrysotile which together make up 95% all commercial asbestos employed. The other four types of asbestos haven't been as popularly used however, they could be found in older buildings. They are less dangerous than chrysotile or amosite but can still be a risk when mixed with other minerals, or when mined close to other mineral deposits like vermiculite and talc. Many studies have discovered an association between exposure to asbestos and stomach cancer. The evidence is not conclusive. Some researchers have cited a SMR (standardized death ratio) of 1.5 (95 percent confidence interval: 0.7-3.6), for all asbestos workers. However, others report an SMR of 1,24 (95% confidence interval: 0.76-2.5), for workers in chrysotile mines and mills. IARC The IARC, also known as the International Agency for Research on Cancer has classified all kinds of asbestos carcinogenic. All forms of asbestos could cause mesothelioma as well as other health issues, but the risks are different based on the amount of exposure that individuals are exposed to, the kind of asbestos used, the duration of their exposure, and the manner in the way that it is breathed in or ingested. IARC has stated that the best option for people is to stay clear of all forms of asbestos. If you've been exposed to asbestos and suffer from respiratory issues or mesothelioma then you should see your physician or NHS111. Amphibole Amphiboles are a collection of minerals which can form prism-like and needle-like crystals. They are a type of inosilicate mineral made up of double chains of SiO4 molecules. They have a monoclinic system of crystals, but some have an orthorhombic structure. The general formula of an amphibole is A0-1B2C5T8O22(OH,F)2. The double chains contain (Si, Al)O4 tetrahedrons linked together by tetrahedron rings made of six. Tetrahedrons can be separated by strips of octahedral sites. Amphibole minerals are prevalent in igneous and metamorphic rocks. They are typically dark and hard. Due to their similarity in strength and color, they can be difficult for some to distinguish from Pyroxenes. They also share a corresponding design of cleavage. Their chemistry allows for a range of compositions. The chemical compositions and crystal structures of the various mineral groups in amphibole could be used to determine their composition. The five types of asbestos that belong to the amphibole group include chrysotile, anthophyllite, amosite as well as crocidolite and actinolite. While the most frequently used asbestos type is chrysotile. Each variety is unique in its own way. The most dangerous form of asbestos, crocidolite is made up of sharp fibers that are easy to inhale into the lung. Anthophyllite is yellowish to brown in color and is made up of magnesium and iron. This kind of stone was used to create cement and insulation materials. Amphiboles are difficult to analyse due to their complex chemical structure and numerous substitutions. Therefore, a detailed analysis of their composition requires special methods. EDS, WDS and XRD are the most popular methods for identifying amphiboles. However, these methods can only provide approximate identifications. These techniques, for example can't distinguish between magnesio hastingsite and magnesio hastingsite. These techniques also cannot distinguish between ferro-hornblende and.