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The Dangers of Exposure to Asbestos

Asbestos was used in a variety of commercial products prior to when it was banned. According to research, exposure to asbestos can cause cancer as well as other health issues.

It is impossible to determine if a product contains asbestos simply by looking at it and you can't smell or taste it. It is only visible in the event that asbestos-containing products are drilled, chipped or broken.

Chrysotile

At its height, chrysotile comprised the majority of the asbestos production. It was employed in many industries such as construction insulation, fireproofing, as well as insulation. However, if workers were exposed for long periods to this toxic material, they could develop mesothelioma, as well as other asbestos-related diseases. Fortunately, the use of this toxic mineral has decreased drastically since mesothelioma awareness started to spread in the 1960's. However, it is still present in trace amounts. are still found in many of the products we use today.

Chrysotile can be used in a safe manner with a well-thought-out safety and handling plan is put in place. It has been found that, at today's controlled exposure levels, there isn't an danger to those handling it. The inhalation of airborne fibres has been linked with lung cancer and lung fibrosis. This has been proven to be true for both the intensity (dose) and the duration of exposure.

In one study, mortality rates were compared between a manufacturing facility which used almost exclusively Chrysotile in the production of friction materials and national death rates. The study found that, after 40 years of manufacturing low levels of chrysotile, there was no significant rise in mortality rates in this factory.

Chrysotile fibres tend to be shorter than other types of Asbestos attorney. They can pass through the lungs, and even enter the bloodstream. This makes them more likely to cause ill-health consequences than longer fibres.

It is extremely difficult for chrysotile fibrous to be inhaled or to pose a health risk when mixed with cement. Fibre cement products are extensively used throughout the world particularly in structures such as schools and hospitals.

Research has revealed that amphibole asbestos, such as amosite or crocidolite is not as likely than chrysotile to cause disease. These amphibole varieties are the main cause of mesothelioma, and other asbestos-related diseases. When cement and chrysotile mix, a durable, flexible product is created that can withstand extreme environmental hazards and weather conditions. It is also easy to clean after use. Asbestos fibres are easily removed by a professional and safely removed.

Amosite

Asbestos is a term used to describe a class of silicate fibrous minerals which are found naturally in a variety of kinds of rock formations. It is comprised of six general groups: amphibole, serpentine, tremolite, anthophyllite and crocidolite (IARC 1973).

Asbestos minerals consist of long, thin fibers that vary in length from fine to wide. They can also be curled or straight. These fibers are found in nature in bundles or individual fibrils. Asbestos can also be found in a powder form (talc) or mixed with other minerals to create vermiculite or talcum powder. They are extensively used in consumer products, such as baby powder cosmetics, and even face powder.

Asbestos was heavily used in the early two-thirds of the 20th century to construct construction of ships as well as insulation, fireproofing and various other construction materials. The majority of occupational exposures were asbestos fibres in the air, however certain workers were exposed to vermiculite or talc that was contaminated, and to fragments of asbestos-bearing rocks (ATSDR 2001). Exposures varied from industry industry, from era to and geographic location.

Most asbestos exposures at work were due to inhalation. However, certain workers were exposed by skin contact or through eating contaminated food. Asbestos can be found in the natural weathering of mined ores and the deterioration of products contaminated with asbestos like insulation, car brakes and clutches, and floor and ceiling tiles.

There is evidence to suggest that amphibole fibres from non-commercial sources could also be carcinogenic. These are fibres do not form the tightly weaved fibrils of amphibole or serpentine minerals but instead are loose, flexible and needle-like. These fibers are found in mountains, sandstones and cliffs from a variety of nations.

Asbestos may enter the environment in a variety ways, including through airborne particles. It can also leach out into soil or water. This can be due to both natural (weathering of asbestos-bearing rocks) and Asbestos attorney anthropogenic causes (disintegration of asbestos-containing wastes and disposal in landfill sites). Asbestos contamination of surface and ground water is typically a result of natural weathering, but has also been caused by anthropogenic activities such as milling and mining demolition and dispersal of asbestos-containing material and the disposal of contaminated dumping ground in landfills (ATSDR, 2001). Airborne asbestos fibres are the primary cause of illness among people exposed to asbestos during their work.

Crocidolite

Exposure to asbestos through inhalation is the most common way people are exposed harmful fibres, which could then be inhaled and cause serious health issues. These include asbestosis and mesothelioma. Exposure to asbestos fibres can occur in other ways as well, for example, contact with contaminated clothing or materials. This type of exposure is more hazardous when crocidolite (the blue form of asbestos) is involved. Crocidolite fibers are less dense and more fragile, making them easier to breathe. They also can get deeper into lung tissue. It has been linked to more mesothelioma cases than other asbestos types.

The six major kinds are chrysotile and amosite. The most commonly used asbestos types are chrysotile and epoxiemite, which together comprise the majority of commercial asbestos used. The other four types haven't been as popularly used but they can be present in older buildings. They are less hazardous than amosite or chrysotile, but they can still be dangerous when mixed with other minerals or when mined near other naturally occurring mineral deposits like talc and vermiculite.

Numerous studies have shown that there is a link between stomach cancer and asbestos exposure. However 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, while others have reported an SMR of 1,24 (95% confidence interval: 0.76-2.5), for those who work in chrysotile mines or chrysotile mills.

IARC The IARC, which is the International Agency for Research on Cancer has classified all types of asbestos as carcinogenic. All asbestos types can cause mesothelioma, however the risks differ based on the amount of exposure, what kind of asbestos is involved, and how long the exposure lasts. IARC has stated that the best option for people is to avoid all types of asbestos. If you have been exposed to asbestos and suffer from a respiratory disorder or mesothelioma condition, then you should seek advice from your physician or NHS111.

Amphibole

Amphibole is one of the minerals that form long prisms or needle-like crystals. They are a type of inosilicate mineral composed of double chains of SiO4 molecules. They have a monoclinic structure of crystals, however some have an orthorhombic shape. The general formula of an amphibole is A0-1B2C5T8O22(OH,F)2. The double chains consist of (Si,Al)O4 Tetrahedrons that are joined in rings of six. The tetrahedrons can be separated by octahedral strips.

Amphibole minerals are prevalent in metamorphic and igneous rocks. They are usually dark and hard. Due to their similarity in strength and color, they can be difficult for some people to differentiate from pyroxenes. They also share a corresponding the cleavage pattern. However, their chemistry allows for the use of a variety of compositions. The various amphibole mineral groups are identified by their chemical compositions and crystal structures.

Amphibole asbestos is comprised of chrysotile as well as the five types of asbestos: amosite, anthophyllite (crocidolite), amosite (actinolite) and amosite. While the most frequently used asbestos type is chrysotile; each is unique in its own way. Crocidolite is the most dangerous asbestos kind. It contains sharp fibers that can be easily inhaled into the lung. Anthophyllite is a brownish to yellowish color and is composed mostly of iron and magnesium. This type was used to make cement and insulation materials.

Amphibole minerals are challenging to analyze due to their complex chemical structures and many substitutions. Therefore, a thorough analysis of their composition requires specialized methods. The most popular methods for identifying amphiboles is EDS, WDS, and XRD. These methods are only able to provide approximate identifications. For example, these techniques cannot distinguish between magnesiohastingsite and magnesio-hornblende. These techniques also cannot distinguish between ferro-hornblende and pargasite.