Asbestos: A Deadly Environmental & Health Hazard

by Kirsten Hawkins

Asbestos is a term used for some naturally occurring minerals that form long thin fibers and fiber bundles on crystallization. Most commonly found group is the serpentine group that includes Chrysotile (white asbestos). It is also the most frequently mined form of Asbestos. Another very important asbestos group is known as the amphiboles, which includes Crocidolite (blue asbestos) and Amosite (brown asbestos). The asbestos fibers have high tensile strength, and chemical, electrical and heat resistance properties and so are extremely useful as a building/insulation material. Asbestos has been used extensively all over the world.

Asbestos: General Information

Asbestos Exposure
Jason Gluckman

Asbestos, being regulated by OSHA and cited by ACGIH, DOT, NIOSH, NTP, DEP, IARC, HHAG, and EPA, falls on the Hazardous substance list. Also, because of the associated carcinogenic effect, it falls on the Special Health Hazard Substance List. Workplace Exposure limits for Asbestos fibers longer than 5 micrometers have been set. It should, however, be considered that Asbestos, being a carcinogen in humans, has no safe level of Exposure. The crucial steps to minimize Asbestos Exposure to workers and their family members include establishment of a regulated, marked area for handling and storage of asbestos, preference for enclosed operations and use of local exhaust ventilation at the site of chemical release. Other important steps for control include the wearing of protective work clothing, communicating all information on the hazards of asbestos, and washing thoroughly before leaving a regulated area and at the end of the work shift.

However, even by adhering to the workplace Exposure limits and to all crucial ways for reducing Asbestos Exposure, it is probable to develop Asbestos-induced health ailments. This needs to be consulted and resolved by a medical practitioner specialized in diseases induced by Asbestos Exposure.

The toxic effects induced by Asbestos inhalation include desquamating alveolitis, bronchiolitis, and pulmonary fibrosis. Other more serious health ailments caused by Asbestos Exposure include pleural effusion, pleural plaques, pleural calcification, and mesothelioma (a highly malignant disease).

The toxicity induced by Asbestos also finds its place in the relatives of the workers exposed to it. This is mainly due to the presence of Asbestos fibers in the clothes of the Asbestos workers. These contaminated clothes, too, require safe measures for cleaning or disposal. Because of the capacity of Asbestos to cause potential hazards to health, its use has been banned in many industries.

Asbestos provides detailed information about asbestos, asbestos and mesothelioma, asbestos cancer, asbestos exposure and more. Asbestos is the sister site of Malignant Mesothelioma.

Although Asbestos is a hazardous material, it poses a health risk only if the Asbestos fibers become airborne and subsequently inhaled. Therefore, most Asbestos materials pose little health risk unless they are disturbed in a way that allows the fibers to be released into the atmosphere. Inhalation of asbestos fibers can lead to serious diseases such as lung cancer, Mesothelioma (a cancer of the lining of the lungs or lower digestive tract) and asbestosis (a chronic fibrosis of the lungs).

Many industries used Asbestos extensively in the past, exposing their workers to this deadly materials. As a result, many new cases of Asbestos caused ailments are occurring now. However, the fact that Asbestos was also installed in many buildings means that a wider range of people still have the potential to be exposed - particularly building and maintenance workers. For this reason, the latest revision of the Control of Asbestos at Work Regulations introduces (from May 2004) a new responsibility on those responsible for non-domestic premises to manage the asbestos contained in them.

Asbestos Caused Diseases

Mesothelioma is a cancer of the pleural and peritoneal lining. It exclusively related to asbestos exposure. By the time it is diagnosed, it is usually fatal. Mesothelioma has a long latency period (time between exposure and onset of disease) of at least 15 years and sometimes as long as 60 years.

Asbestosis is a scarring of the lung tissue. This scarring impairs the elasticity of the lung and hampers its ability to exchange gases. This leads to inadequate oxygen intake to the blood. Asbestosis restricts breathing leading to decreased lung volume and increased resistance in the airways. It is a slowly progressive disease with a latency period of 15 to 30 years.

Lung Cancer is a malignant tumor of the bronchi covering. The tumor grows through surrounding tissue, invading and often obstructing air passages. Again, the disease has a long latency period of at least 20 years.

The victims of all these asbestos related diseases are eligible to file lawsuits for compensation against the persons and organizations responsible for causing asbestos exposure. They can take the help of mesothelioma and asbestos attorneys to fight their compensation claims.
About the Author

Kirsten Hawkins is a asbestos and mesothelioma specialist from Nashville, TN. Visit http://www.asbestosblog.org/ for information on asbestos reform, mesothelioma lawsuit news, and more.

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