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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. You cannot tell if something is asbestos-containing simply by looking at it and you won't be able to smell or taste it. It is only found when materials containing asbestos are drilled, chipped or broken. Chrysotile At its height, chrysotile provided for 90% of the asbestos that was produced. It was employed in a variety of industries, including construction insulation, fireproofing, and insulation. In the event that workers were exposed to this harmful material, they could contract mesothelioma and other asbestos-related diseases. Fortunately, the use this dangerous mineral has decreased drastically since mesothelioma awareness started to increase in the 1960's. illinois asbestos attorneys is still present in many of the products we use today. Chrysotile is safe to use provided you have a comprehensive safety and handling plan in place. Personnel handling chrysotile aren't exposed to an undue amount of risk at current limit of exposure. Lung fibrosis, lung cancer and mesothelioma are all connected to breathing in airborne respirable fibres. This has been proven for the intensity (dose) as well as the duration of exposure. In one study mortality rates were compared between a manufacturing facility that primarily used chrysotile in the manufacture of friction materials and the national death rate. It was found that over the course of 40 years, processing asbestos chrysotile at a low level of exposure there was no significant increase in mortality in this particular factory. Chrysotile fibres are typically shorter than other forms of asbestos. They are able to penetrate the lungs and pass into the bloodstream. This makes them much more prone to causing health effects than fibres with longer lengths. It is very difficult for chrysotile fibres to be inhaled or to pose a health risk when mixed with cement. Fibre cement products are used in many parts of the world, including schools and hospitals. Research has demonstrated that amphibole asbestos like amosite, crocidolite, or crocidolite, is less likely than chrysotile in causing diseases. Amphibole asbestos kinds have been the main source of mesothelioma, as well as other asbestos-related illnesses. When chrysotile mixes with cement, it creates a tough, flexible building product that can withstand extreme conditions in the weather and other environmental hazards. It is also very easy to clean up after use. Asbestos fibres are easily removed by a professional and then safely disposed of. Amosite Asbestos refers to a set of silicate mineral fibrous that occur naturally in certain types of rock formations. It is classified into six groups which include amphibole (serpentine), tremolite (tremolite), anthophyllite (crocidolite) and anthophyllite. Asbestos minerals are composed of thin, long fibres that range in length from extremely fine to broad and straight to curled. These fibres can be found in nature in bundles or individual fibrils. Asbestos minerals are also found in the form of a powder (talc) or mixed with other minerals and sold as talcum powder and vermiculite, which have been widely used in consumer products such as baby powder cosmetics, face powder and baby powder. The greatest asbestos use occurred during the first two-thirds period of the twentieth century when it was utilized in shipbuilding, insulation, fireproofing and other construction materials. The majority of asbestos-containing exposures to the workplace occurred in the air, however some workers were also exposed to asbestos-bearing rocks and contaminated vermiculite. Exposures varied from industry to industry, era to era and also from geographical location. Most asbestos exposures at work were caused by inhalation, however some workers were also exposed through contact with skin or through eating contaminated food. Asbestos can be found in the environment due to the natural weathering of mined minerals and the deterioration of products contaminated with asbestos such as insulation, car brakes and clutches as well as ceiling and floor tiles. There is growing evidence that amphibole fibers that are not commercially available could also be carcinogenic. These are fibres do not have the tight weaved fibrils of serpentine and amphibole minerals, but instead are loose, flexible and needle-like. These fibers can be found in the cliffs, mountains and sandstones in a variety of countries. Asbestos is able to enter the environment in a variety of ways, including in the form of airborne particles. It is also able to leach into water or soil. This happens both through natural (weathering and erosion of asbestos-bearing rocks) and human-caused (disintegration and disposal of asbestos-containing wastes in landfill sites) sources. Asbestos contamination of surface and ground water is typically a result of natural weathering, but it has also been triggered by anthropogenic activities like milling and mining demolition and dispersal asbestos-containing materials and the disposal of contaminated dumping ground in landfills (ATSDR 2001). Inhalation exposure to airborne asbestos fibres is the most common cause of illness for people exposed to asbestos at work. Crocidolite Exposure to asbestos through inhalation is the most popular way people are exposed to harmful fibres that can then get into the lungs and cause serious health issues. Mesothelioma and asbestosis as well as other illnesses are caused by asbestos fibres. The exposure to asbestos can happen in different ways too, such as contact with contaminated clothing or construction materials. The dangers of exposure are heightened when crocidolite, the asbestos' blue form is involved. Crocidolite has smaller, more fragile fibers that are easy to breathe and can be lodged deeper in lung tissue. It has been associated with more mesothelioma cases than other types of asbestos. The six major types of asbestos are chrysotile, amosite and tremolite. They are epoxiemite, tremol anthophyllite and actinolite. The most well-known asbestos types are chrysotile and epoxiemite, which together make up the majority of commercial asbestos employed. The other four asbestos types are not as well-known, but can still be found in older structures. They aren't as hazardous as amosite or chrysotile however they could still be dangerous when mixed with other minerals, or when mined near other mineral deposits such as vermiculite and talc. Numerous studies have revealed an association between stomach cancer and asbestos exposure. The evidence isn't 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 those who work in chrysotile mines or chrysotile mills. The International Agency for Research on Cancer (IARC) has classed all asbestos types as carcinogenic. All kinds of asbestos may cause mesothelioma or other health issues, however the risks are different based on the amount of exposure individuals are exposed to, the type of asbestos involved, the duration of their exposure and the way in the way it is inhaled or ingested. The IARC has recommended that the prevention of all asbestos types is the most important thing to do, as this is the best option for people. However, if someone has been exposed to asbestos in the past and are suffering from a condition such as mesothelioma and other respiratory diseases, they should seek guidance from their physician or NHS 111. Amphibole Amphiboles are a collection of minerals that may form prism-like or needle-like crystals. They are a type of silicate mineral composed of double chains of molecules of SiO4. They have a monoclinic structure of crystals, but some have an orthorhombic shape. The general formula of an amphibole is A0-1B2C5T8O22(OH,F)2. The double chains are composed of (Si,Al)O4 Tetrahedrons, which are connected in rings of six. The tetrahedrons can be separated by strips of octahedral site. Amphiboles are present in metamorphic and igneous rock. They are typically dark-colored and tough. Due to their similarity in strength and color, they could be difficult for some to distinguish from pyroxenes. They also share a corresponding cleavage pattern. Their chemistry allows for a variety of compositions. The chemical compositions and crystal structure of the different mineral groups found in amphibole may be used to determine their composition. The five asbestos types that belong to the amphibole group include chrysotile, anthophyllite, amosite and crocidolite. They also include actinolite. Each kind of asbestos has its own unique properties. The most dangerous form of asbestos, crocidolite, is made up of sharp fibers that are easy to inhale into the lungs. Anthophyllite has a brownish to yellowish hue and is made mostly of iron and magnesium. This kind of material was used to create cement and insulation materials. Amphiboles are difficult to analyze due to their complex chemical structure and the numerous substitutions. Therefore, a thorough analysis of their composition requires specialized techniques. EDS, WDS and XRD are the most commonly used methods for identifying amphiboles. These methods can only provide approximate identifications. These methods, for instance, cannot distinguish between magnesio-hornblende and hastingsite. Additionally, these techniques do not distinguish between ferro-hornblende and pargasite.