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How to Identify Asbestos
During the last century asbestos was used in thousands of products to make them more durable, fire resistant and less costly. Exposure to asbestos fibers in the air can lead to lung diseases like asbestosis or mesothelioma.
Certain diseases may be chronically latent. It's hard to spot an issue until it's long gone.
Asbestos Identification
Asbestos is an assortment of naturally occurring minerals. They were previously used in building materials due to their corrosion-resistant, fireproof and insulation properties. Inhaling the microscopic fibers could pose health risks. This often causes diseases like asbestosis and mesothelioma. These diseases can take a long time or even decades to be diagnosed. They are often mistaken as flu-like symptoms. It is essential that people know how to identify the asbestos.
Medical tests that test for lung disease are the most popular method to identify asbestos. The tests typically consist of a physical examination including chest X-rays, lung function tests. These tests aren't enough to diagnose asbestos-related diseases. They must be combined with a complete history of the patient that includes the person's work, home, and the cultural context.
It is possible to discover asbestos in a diverse variety of building products and materials, including cement products floor asbestos settlement tiles, paints, adhesives, Artex, insulation, doors, partitions and cladding. Asbestos is difficult to identify because the fibers are so tiny and light. They can easily float throughout the air and then inhale without anyone not even realizing. They also don't create any distinctive smells.
You can take a tiny sample if you suspect that an item is contaminated with asbestos. This should be done by a certified professional as removing asbestos is very complicated and requires specialized equipment. Send the sample to an accredited asbestos analysis laboratory through the National Voluntary Laboratory Assessment Program (NVLAP). The NVLAP website provides a list of accredited laboratories.
It's easy to accidentally damage asbestos and the danger of doing so is significantly higher for certain groups of people. Construction workers, plumbers, and electricians are at risk of asbestos exposure in maintenance and renovations. It's a good idea to encourage anyone who works in these fields to complete an asbestos awareness training course to be aware of the dangers and be aware of the appropriate precautions to take.
Take Samples
A sample of the suspected material is required to conduct asbestos testing or inspection. The sample could be taken by a qualified asbestos consultant or by the homeowner, but care must be taken to minimize the production of airborne asbestos containing dust both when collecting the sample, and during cleaning up after. The person taking the sample is likely to require a HEPA-filtered air cleaner, a spray bottle of water and disposable coveralls as protection. When performing the task, they should wear a respirator that is in compliance with AS/NZS1716 : 2003 Respiratory protection device. It is recommended to take samples on a day that is not windy, and then shut off the cooling or heating system. This will reduce the release of airborne asbestos particles.
When collecting the sample ensure that the area is fully closed off and that any pets or children are not permitted in. Clean the area to be sampled with the help of a damp rag. Then, wipe all tools and equipment that were used after the sample has been completed. Place the damp rag in a bag and label it as contaminated waste and dispose of it in an approved asbestos disposal facility. Place the resealable bag and the sample in a second plastic bag. Secure it all before marking it asbestos waste. Wet down the area to be cleaned up again and then place a plastic drop sheet over it, to catch any released fibres.
Asbestos is usually collected using a pre-assembled pumps and cassette system. It is crucial that the cassette isn't filled with dust since this could block the fibres on the filter and cause an unintended bias in the outcome. If the sample was taken in an area with high levels of nonfibrous dust might be necessary to use an air sample with a smaller volume.
The epidemiological studies revealed that asbestos fibres with a shorter length could also cause mesothelioma or lung cancer. This shows that size is not the only factor in determining the pathogenicity of asbestos fibers. Other parameters, such as chemical properties, polarization and dispersion staining, as well as the time of etching are also important.
Identifying Professionals
When asbestos fibers are spread or disturbed they can airborne. These microscopic fibers, when inhaled, can cause lung disease. These microscopic fibers may cause asbestosis or mesothelioma, as well with other neurological and respiratory disorders. The time between onset and recurrence of symptoms can take anywhere between 20 and 50 years after exposure.
Infrequently disturbed asbestos does not pose the risk of health hazards, but when materials like insulation, shingles, or flooring are damaged or worn out they may release harmful fibers. This can happen in the course of a renovation or demolition project, or in normal home use or when the material ages.
If you're planning to renovate your home, consult local health or environmental officials to determine if the structure contains asbestos materials. If asbestos is found in your home, you should have it inspected before any work begins by an accredited asbestos settlement (here.) inspector.
If you are planning to renovate an older home, make sure that the contractors you choose to hire have the proper credentials. They should be able supply an asbestos report and survey which includes an assessment on the condition of any ACM (asbestos lawyer-containing material) and their friability. The survey should also indicate whether the contractor will take away or leave the ACM intact.
Minor repairs are possible on some ACM. However only a professional who is educated in asbestos handling safely is able to tackle these. Whatever the kind of repair, the area should be sealed off from the other areas of the house, and any equipment or clothing should be stored in plastic bags and marked with a warning to avoid cross-contamination.
Professionals can cover or seal ACM to stop it from dispersing fibers into the atmosphere. Sealing (encapsulation), also known as encapsulation, involves treating the material in a manner that binds and seals the fibers to ensure they don't become airborne. This can be done on insulated piping or to cover old shingles.
Professionals can also physically remove ACM from a structure. The materials are first wetted in order to enable them to be cut with various tools without releasing harmful fibers. The materials are then placed in airtight and durable containers that are leakproof.
Repairing or removing Asbestos
Asbestos is resistant against heat and corrosion. This makes it a useful material for a myriad of products like wallboards insulation, fireproofing and auto brakes. But asbestos is also a toxic material that can cause respiratory issues when the fibers are inhaled. Typically, these fibers get trapped in the lungs and could cause tissue inflammation and scarring which can impair breathing and Asbestos settlement cause serious health problems.
Asbestos is present in many parts of your home which includes roof shingles cement pipes, floor and ceiling tiles and joint compound that is made up of asbestos. Check these areas for damage, abrasions, or tears. If the material is only slightly damaged, it could be safe to touch it or disturb it. However it is in need of repair or you are planning to make changes to your home that might disturb it, you should consult an asbestos professional.
They can conduct an inspection visually as well as take samples. They can also advise you on what adjustments need to be done and who is qualified to make them. It is crucial that you only have experts handle your asbestos. Certain of these professionals have specialized training in specific products, and they are the only ones who are qualified to perform remedial work on them.
You can also contact your local or State Health Department or Regional Office of the U.S. Environmental Protection Agency to learn about asbestos training programs available in your area. Also, be aware of the many companies who falsely claim to specialize in asbestos removal. These companies are risky because they encourage or carry out unneeded removals, which increase the possibility of harmful asbestos fibers being released.
The American Lung Association does NOT endorse these companies. It is important to conduct a thorough investigation of the company before hiring an asbestos expert to ensure that it is fully insured and certified. You can also request references from past clients, as well as proofs of insurance and accreditation. It is also recommended to check with your state or local environmental and health departments to find out what procedures should be followed if you're planning to undertake any renovations at home.