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The Dangers of Exposure to Asbestos

Asbestos was a component in thousands of commercial products prior to when it was banned. Studies have shown that exposure to asbestos attorney can cause cancer as well as other health issues.

You can't tell if something is asbestos-containing simply by looking at it and you are unable to taste or smell it. Asbestos can only be detected when the substances that contain it are broken or drilled.

Chrysotile

At its peak, chrysotile made up for 99percent of the asbestos that was produced. It was employed in a variety of industries, including construction insulation, fireproofing, and insulation. However, if workers were exposed to this toxic substance, they could develop mesothelioma as well as other asbestos related diseases. Fortunately, the use this hazardous mineral has declined significantly since mesothelioma awareness began to increase in the 1960's. It is still present in many 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 unreasonable amount of risk based on the current safe exposure levels. Lung cancer, lung fibrosis and mesothelioma have been strongly linked to breathing in airborne respirable fibres. This has been proven to be true for both intensity (dose) and the duration of exposure.

One study that looked into the operation of a factory that utilized almost all chrysotile as its friction materials, compared mortality rates at this factory with national death rates. It was concluded that for the 40 years of processing asbestos chrysotile at low levels of exposure, there was no significant additional mortality in this factory.

Chrysotile fibres are usually shorter than other types of asbestos. They can enter the lungs and enter the bloodstream. They are therefore more likely to cause health problems over longer fibres.

It is very difficult for chrysotile fibers to be airborne or pose any health risk when mixed with cement. Fibre cement products are used extensively throughout the world, especially in buildings like hospitals and schools.

Research has proven that amphibole asbestos such as crocidolite or amosite is less likely than chrysotile in causing diseases. Amphibole asbestos forms have been the primary cause of mesothelioma and other asbestos-related diseases. When cement and chrysotile are mixed together, a strong, flexible product is created that can withstand extreme environmental hazards and weather conditions. It is also very easy to clean after use. Asbestos fibers can be easily removed by a professional and disposed of.

Amosite

Asbestos refers to a set of silicate mineral fibrous that are found naturally in specific types of rock formations. It is divided into six groups: amphibole (serpentine) and Tremolite (tremolite), anthophyllite (crocidolite) and anthophyllite.

Asbestos minerals consist of thin, long fibers that range in length from fine to wide. They can also be straight or curled. These fibers are found in nature in the form of individual fibrils or bundles that have splaying ends, referred to as a fibril matrix. Asbestos minerals are also found in powder form (talc) or mixed with other minerals and sold as talcum powder and vermiculite, which have been widely used in consumer products like baby powder cosmetics, face powder, and baby powder.

Asbestos was used extensively in the early two-thirds of the 20th century to construct construction of ships insulation, fireproofing and other construction materials. Most occupational exposures were asbestos fibres borne by air, but certain workers were exposed to vermiculite and talc that had been contaminated as well as to fragments of asbestos-bearing rock (ATSDR 2001). Exposures varied according to the industry, time frame and geographical location.

The exposure to asbestos at work is mostly due to inhalation. However, some workers have been exposed through contact with skin or by eating food items contaminated with asbestos. Asbestos is only found in the environment due to natural weathering and degrading of products that are contaminated, such as ceiling and floor tiles as well as car brakes and clutches, and insulation.

There is emerging evidence that non-commercial amphibole fibres may also be carcinogenic. These fibers aren't tightly weaved like the fibrils in amphibole and serpentine, but are instead loose and flexible, and needle-like. They can be found in mountains, sandstones and cliffs of a variety of countries.

Asbestos is able to enter the environment in a variety ways, such as in airborne particles. It can also be absorbed into water or soil. This is a result of both natural (weathering and erosion of asbestos-bearing rocks) and human-caused (disintegration and disposal of asbestos-containing wastes at landfill sites) sources. Asbestos contamination of surface and ground water is mostly a result of natural weathering, but it has also been caused by human activities like mining and milling demolition and dispersal asbestos-containing materials as well as the disposal of contaminated dumping soils in landfills (ATSDR, 2001). Asbestos fibres that are emitted from the air are the most significant cause of illness among people exposed to it in their job.

Crocidolite

Exposure to asbestos through inhalation is the most frequent method by which people are exposed harmful fibres. They can then get into the lungs and mesothelioma cause serious health issues. These include mesothelioma and asbestosis. Exposure to asbestos fibres can also take place in other ways, including contact with contaminated clothing or building materials. This type of exposure is particularly dangerous when crocidolite (the blue asbestos form) is involved. Crocidolite fibers are thinner and more fragile making them more palatable to breathe in. They also can get deeper in lung tissues. It has been linked to more mesothelioma cases than other types of asbestos.

The six main types of asbestos are chrysotile amosite, epoxiemite, tremolite anthophyllite and actinolite. Amosite and chrysotile are the most frequently used types of asbestos. They comprise 95% of all asbestos used in commercial construction. The other four asbestos types are not as prevalent, but could still be present in older structures. They are less dangerous than amosite or chrysotile but still be a danger when mixed with other minerals or when mined near other mineral deposits such as vermiculite and talc.

Several studies have found an association between asbestos exposure and stomach cancer. Several studies have found a link between asbestos exposure and stomach. However, the evidence is contradictory. Certain researchers have reported an overall SMR (standardized mortality ratio) of 1.5 (95 percent range of CI: 0.7-3.6) for all asbestos-related workers as well as an SMR of 1.24 (95% CI: 0.76-2.5) for workers in chrysotile mines and mills.

The International Agency for Research on Cancer (IARC) has classified all asbestos types as carcinogenic. All kinds of asbestos may cause mesothelioma or other health issues, but the risks differ based on the amount of exposure that individuals are exposed to, the type of asbestos involved as well as the duration of exposure, and the manner in which it is breathed in or consumed. IARC has declared that the best option for people is to stay clear of all forms of asbestos. If someone has been exposed to asbestos in the past and are suffering from a disease such as mesothelioma or any other respiratory ailments They should seek advice from their doctor or NHS 111.

Amphibole

Amphiboles are a grouping of minerals that form prism-like or needle-like crystals. They are a type inosilicate mineral made up of two chains of molecules of SiO4. They have a monoclinic system of crystals, but certain crystals have an orthorhombic form. 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. Tetrahedrons can be separated by octahedral strips.

Amphiboles occur in metamorphic and igneous rock. They are usually dark-colored and hard. Because of their similar hardness and color, they could be difficult for some to differentiate from the pyroxenes. They also share a corresponding cut. However their chemistry allows a wide range of compositions. The chemical compositions and crystal structure of the various mineral groups found in amphibole may be used to determine their composition.

The five types of asbestos in the amphibole family include amosite, anthophyllite and chrysotile as well as crocidolite and actinolite. While the most popular form of asbestos is chrysotile each type is unique in its own way. The most dangerous type of asbestos, crocidolite is composed of sharp fibers that are easy to breathe into the lung. Anthophyllite is brown to yellowish in color and is composed of magnesium and iron. This variety was once used in cement and insulation materials.

Amphiboles are a challenge to analyze due to their complex chemical structure and the numerous substitutions. A thorough analysis of composition of amphibole minerals requires special techniques. The most widely used methods to identify amphiboles are EDS, WDS, and XRD. However, these methods can only provide approximate identifications. For instance, these techniques cannot differentiate between magnesio-hornblende and hastingsite. In addition, these techniques can not distinguish between ferro-hornblende as well as pargasite.