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The Dangers of Exposure to Asbestos Before it was banned asbestos was used in thousands commercial products. Studies have shown that exposure to asbestos can cause cancer and other health issues. You cannot tell by just looking at something whether it is made up of asbestos. Neither can you smell or taste it. Asbestos is only detectable when materials containing it are broken, drilled, or chipped. Chrysotile At its peak, chrysotile made the majority of the asbestos production. It was widely used in industries, including construction, insulation, and fireproofing. However, if workers were exposed to this harmful material, they could contract mesothelioma and other asbestos-related diseases. Fortunately, the use of this toxic mineral has decreased significantly since mesothelioma awareness began to increase in the 1960's. It is still present in a variety of products we use today. Chrysotile is safe to use when you have a thorough safety and handling program in place. It has been discovered that at the current controlled exposure levels, there isn't an unneeded risk to the people handling it. Lung cancer, lung fibrosis and mesothelioma have all been found to be strongly connected to breathing in airborne respirable fibres. This has been proven for both the intensity (dose) and duration of exposure. In one study mortality rates were compared between a manufacturing facility that used a large proportion of Chrysotile for the production of friction materials and the national death rate. It was concluded that over the course of 40 years, processing asbestos chrysotile at low levels of exposure there was no significant additional mortality in this factory. Chrysotile fibres are typically shorter than other forms of asbestos. They can pass through the lungs, and even enter the bloodstream. They are more likely to cause health issues than longer fibres. When chrysotile is mixed into cement, it is extremely difficult for the fibres to be airborne and cause health hazards. Fibre cement products are extensively used throughout the world particularly in structures such as schools and hospitals. Research has proven that chrysotile has a lower chance to cause disease than amphibole asbestos, such as amosite and crocidolite. These amphibole varieties are the main cause of mesothelioma and other asbestos-related diseases. When cement and chrysotile mix, a durable product is produced that can withstand extreme environmental hazards and weather conditions. It is also easy to clean after use. Asbestos fibres can easily be removed by a professional and then safely disposed of. Amosite Asbestos is a class of fibrous silicates found in various types of rock formations. It is classified into six groups: amphibole (serpentine), tremolite (tremolite) anthophyllite (crocidolite) and anthophyllite. Asbestos minerals are composed of long, thin fibres that vary in length from extremely thin to broad and straight to curled. These fibers are found in nature in bundles or individual fibrils. Asbestos is also found in a powder form (talc), or combined with other minerals in order to create talcum powder or vermiculite. These are commonly used as consumer goods, such as baby powder cosmetics and facial powder. Asbestos was heavily used in the early two-thirds of the 20th century for construction of ships insulation, fireproofing, insulation and various other construction materials. The majority of occupational exposures to asbestos fibres occurred in the air, however some workers also were exposed to asbestos-bearing rock fragments and contaminated vermiculite. Exposures varied from industry industry, era era and geographic location. The exposure to asbestos in the workplace is mainly due to inhalation. However there are workers who have been exposed by contact with their skin or eating contaminated foods. Asbestos is only found in the air due to natural weathering and the degradation of contaminated products like ceiling and floor tiles as well as car brakes and clutches, as well as insulation. It is becoming evident that non-commercial amphibole fibres may also be carcinogenic. These fibers aren't tightly knit like the fibrils found in amphibole and serpentine, but are instead loose elastic, flexible, and needle-like. These fibers can be found in mountains, sandstones, and cliffs in a variety of countries. Asbestos enters the environment mainly in the form of airborne particles, however it also leaches into soil and water. This can be caused by natural (weathering and erosion of asbestos-bearing rocks) and the anthropogenic (disintegration and disposal of asbestos-containing wastes in landfill sites) sources. Asbestos contamination of ground and surface water is mostly a result of natural weathering. However, it has also been caused by anthropogenic activities such as mining and milling demolition and dispersal of asbestos-containing materials as well as the disposal of contaminated dumping soils in landfills (ATSDR, 2001). Airborne asbestos fibres are the primary cause of illness among people who are exposed to it during their work. Crocidolite Inhalation exposure is the most common method of exposure to asbestos fibres. The fibres can penetrate the lungs which can cause serious health issues. These include mesothelioma and asbestosis. Exposure to the fibres can occur in different ways, like contact with contaminated clothes or building materials. The dangers of this kind of exposure are higher when crocidolite which is the blue form of asbestos, is involved. Crocidolite fibers are thinner and more fragile making them more palatable to breathe in. They also can get deeper in lung tissue. It has been associated with more mesothelioma cancer cases than other types of asbestos. The six major types of asbestos are chrysotile amosite and tremolite. They are epoxiemite, tremol anthophyllite, and actinolite. Amosite and chrysotile are the most frequently used types of asbestos and account for 95 percent of all commercial asbestos in use. The other four types of asbestos haven't been as extensively used, but they may still be found in older buildings. They are less hazardous than chrysotile and amosite, but they can pose a risk when combined with other asbestos minerals, or when mined close to other naturally occurring mineral deposits, such as talc or vermiculite. Numerous studies have revealed an connection between asbestos exposure and stomach cancer. The evidence is not conclusive. Some researchers have cited an SMR (standardized death ratio) of 1.5 (95 percent confidence interval: 0.7-3.6), for all asbestos workers, while others have reported an SMR of 1,24 (95 percent confidence interval: 0.76-2.5), for those who work in chrysotile mills and mines. IARC The IARC, which is the International Agency for Research on Cancer has classified all forms of asbestos carcinogenic. des moines asbestos attorney can cause mesothelioma, but the risks vary depending on how much exposure is taken, what type of asbestos is involved and how long the exposure lasts. The IARC has advised that avoid all forms of asbestos is the most important thing to do, as this is the most safe option for those who are exposed. If you've been exposed in the past to asbestos and suffer from a respiratory condition or mesothelioma then you should talk to your doctor or NHS111. Amphibole Amphiboles comprise a variety of minerals which can form needle-like or prism-like crystals. They are a type of inosilicate mineral composed of double chains of SiO4 molecules. 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. Double chains contain (Si, Al)O4 tetrahedrons linked together by tetrahedron rings made of six. The tetrahedrons can be separated from one another with octahedral strips. Amphibole minerals are found in metamorphic and igneous rocks. They are typically dark-colored and hard. Because of their similar hardness and color, they can be difficult for some people to distinguish from the pyroxenes. They also share a similar pattern of cleavage. However their chemistry allows an array of compositions. The different amphibole mineral groups are identified by their chemical compositions as well as crystal structures. Amphibole asbestos includes chrysotile and the five asbestos types amosite anthophyllite (crocidolite), amosite (actinolite), and amosite. Each type of asbestos has its own distinctive properties. The most dangerous type of asbestos, crocidolite is composed of sharp fibers that are simple to inhale into the lungs. Anthophyllite can be found in a brownish or yellowish hue and is comprised mostly of iron and magnesium. This variety was once used in products such as 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. The most popular methods of identifying amphiboles include EDS, WDS, and XRD. However, these methods only provide approximate identifications. These techniques, for example cannot differentiate between magnesio hornblende and magnesio hastingsite. These techniques also do not distinguish between ferro-hornblende and pargasite.