Asbestos is a mineral that was widely used throughout the 20th century in a wide variety of industries, including construction, manufacturing and shipbuilding.
The use of asbestos in construction was so widespread because the material is strong, fire-resistant and sound-proof. When asbestos is used in construction, it is typically mixed with other materials like cement or vinyl. This made it a cost-effective way to insulate buildings and protect them from fire.
The use of asbestos peaked in the 1970s, when it was widely used in building materials such as insulation, tiles, piping and roofing. Asbestos is still present in many buildings in St. Louis and throughout the United States today.
Is asbestos dangerous?
Asbestos can be dangerous when it is disturbed and the fibers become airborne. When these fibers are inhaled, they can cause a number of health problems, including cancer and respiratory illness.
The most dangerous time for exposure to asbestos is when the material is being removed or disturbed. There are a number of safety precautions that should be taken when working with asbestos, including wearing a mask and gloves to prevent exposure.
What does asbestos look like?
There are a few ways to identify asbestos in a building. One of the easiest ways is to look for the telltale signs of asbestos, which include:
- Asbestos insulation: Asbestos insulation is typically found in older homes and buildings. The insulation is usually installed in attics, crawlspaces and around pipes. It can be identified by its gray or white color.
- Asbestos sheeting: Asbestos sheeting was commonly used in ceiling tiles and wall panels. The sheeting can be identified by its light brown or blue color.
- Asbestos fireproofing: Asbestos fireproofing was used to protect structural steel from fire. The material can be identified by its orange or red color.
The three types of asbestos
There are three main types of asbestos that were used in construction: chrysotile, amosite and crocidolite.
Chrysotile is the most common type of asbestos and accounts for about 95% of all asbestos used in the U.S. It is a white asbestos, which means that it has a fiber that is less brittle than other types of asbestos.
Amosite is a brown asbestos and was once the second most common type of asbestos in the U.S. It is made up of fibers that are more brittle than chrysotile asbestos, and can break into shorter fibers when disturbed.
Crocidolite is a type of blue asbestos that was once the most common type of asbestos in the United States. It is made up of fibers that are more brittle than chrysotile asbestos, and can break into shorter fibers when disturbed.
Crocidolite asbestos is the most dangerous type of asbestos, because its fibers are thin and sharp and can easily become airborne. When these fibers are inhaled, they can cause a number of health problems, including cancer and respiratory illness.
Risks of asbestos exposure
Exposure to asbestos can cause a variety of health problems, including asbestosis, lung cancer and mesothelioma.
Asbestosis is a serious lung disease that can result from exposure to asbestos. The disease causes the lungs to become stiff and makes it difficult to breathe. Asbestosis can eventually lead to death.
Lung cancer is the most common form of cancer caused by asbestos exposure. The disease develops in the cells of the lungs and can often be fatal.
Mesothelioma is cancer that can affect the lining of the chest or the abdomen. Mesothelioma is often caused by exposure to asbestos and can be fatal.
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