ASBESTOS

Asbestos is the term given to the fibrous form of six naturally occurring silicate minerals as follows:

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• Chrysotile (white)

• Amosite (brown)

• Crocidolite (blue)

• Tremolite

• Anthophyllite

• Actinolite

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Of these, chrysotile belongs to the serpentine group, and the rest belong to the amphibole group.

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Asbestos was mined commercially predominantly for its fire-resistant properties, but also has useful properties like high tensile strength, flexibility, low thermal conductivity, resistance to chemical attack, as well as acoustic insulation. It could also be used as a cheap bulk filler in many items.  Because of this, it was used in thousands of different product types, from floor tiles to pipe insulation.

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Why is it dangerous?

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Currently, asbestos kills around 5000 people in the U.K. per year, which is more than people killed in road traffic accidents.  Asbestos has the ability to split into tiny microscopic respirable fibres that can become airborne and then be inhaled through the mouth and nose. The carcinogenic fibres stay in the lungs where they cause –

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• Pleural plaques – Where the tissue around the lung hardens and thickens, which can then trap and compress part of the lung. It often has no symptoms but can show up on X-rays.

• Pleural effusion – Build-up of excess fluid in the pleural space.

• Asbestosis – This is usually associated with heavy exposure to asbestos over prolonged periods. The fibres cause scarring on the lungs, and in turn, they become less elastic, making it harder to breathe.

• Lung cancer – This type of cancer forms in the lung tissue, usually in the cells lining the air passages.

• Mesothelioma – This is cancer of the pleura, which can be related to low exposure to asbestos.

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There have been some reported cases where cancers of the intestinal tract have also been linked to the ingestion of asbestos fibres.

What can I do to minimise the Risk of Exposure?

Information, Instruction & Training

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Raising awareness of the dangers of asbestos is a start.

If you are an employee, your employer should have risk assessments and a management plan in place to help safeguard against disturbing asbestos. If you are likely to come into contact with asbestos through work activities, then you must have an asbestos awareness training as a minimum. This is recommended to be re-taken every year as part of a general health and safety refresher.

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If you are in a domestic setting, then please take into consideration that there may be asbestos in your property if it was built pre-2000. Always hire professional tradespeople who have at least asbestos awareness training while working in your home, and only employ competent people who are adequately trained to work with asbestos if it needs to be removed. If you think there may be asbestos present, you can ask for a survey to be carried out or have bulk samples taken of individual suspect items.

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If unsure, stop work and seek advice from a professional.

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We offer asbestos awareness courses that can be tailored to your needs. Contact us to discuss requirements and book in a space.

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