Asbestos Learning Tool


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Asbestos Learning Tool

  1. 1. The Hidden Killer<br />Asbestos<br />
  2. 2. Learning Outcomes<br />Demonstrate understanding of the dangers associated with asbestos<br />Recall the 3 different sources of asbestos<br />Identify where asbestos can be found in day to day use<br />
  3. 3. Asbestos – a brief overview<br />The Hidden Killer!<br />
  4. 4. First task – 5 minutes<br />On the piece of paper in front of you, I want you to think of the following questions and write your response – for all to see:<br />What does asbestos mean to you?<br />Can you state an example of asbestos that you have seen?<br />
  5. 5. What is Asbestos?<br />Asbestos is a term given to a number of naturally occurring mineral fibres which have been exploited commercially for their useful properties. <br />Asbestos is mined throughout the world - South Africa, Australia, Canada<br />3 most common types:<br />Amosite (brown)<br />Crocidolite (blue)<br />Chrysotile (white)<br />
  6. 6. Asbestos Fibres<br />Chrysotile fibre bundle (image 600 x magnification) exposed on the surface of a weathered cement sheet.<br />Amosite fibre bundle (image 2000 x magnification)<br />Individual amosite fibres<br />
  7. 7. Asbestos Useful Properties<br />High tensile strength<br />Chemical resistance<br />Good thermal insulation<br />Incombustible<br />Flexible - can be woven<br />Can be mixed with cement and plastic and retain its properties<br />
  8. 8. History of Asbestos Use in UK<br />First imported ~1880s<br />Main period of use 1950 – 1980<br />1973 - Voluntary industry ban on spraying of asbestos<br />1985 – Supply of amosite and crocidolite prohibited<br />1999 - Use of all forms of chrysotile prohibited<br />
  9. 9. Advert from New Scientist <br />June 1957<br />
  10. 10. Application of sprayed asbestos coating c1950-1960<br />
  11. 11. Asbestos Related Disease<br />Pleural Plaques<br />Asbestosis<br />Fibrosis/scarring of lung<br />Dose related (mod-high) and progressive<br />Lung Cancer<br />Mesothelioma<br />Specific cancer of inner lining of chest wall or abdominal cavity<br />Nearly always fatal<br /> Onset can range from 10 – 60 years after first exposure to asbestos.<br />
  12. 12. What this means in ‘real terms’<br />YouTube - Ian Wright's Asbestos Warning<br />
  13. 13. Group activity – 5 minutes<br />In groups, discuss the video and facts on the use of asbestos.<br />What have you learnt that has highlighted the dangers of asbestos?<br />Note your findings down on the flipchart paper and choose a person to feedback<br />
  14. 14. Asbestos Exposure - Past and Present<br />Manufacture of asbestos products.<br />Installation of asbestos products.<br />Removal of asbestos containing materials (ACMs) without suitable controls.<br />Inadvertent disturbance of ACMs during maintenance activities.<br />Past Exposure<br />Present Exposure<br />
  15. 15. Release of Fibres from ACMs: Friability<br />Loose-fill lagging<br />Lagging<br />Sprayed insulation<br />Asbestos insulation board<br />Asbestos cement<br />Floor tiles<br />MOST FRIABLE<br />LEAST FRIABLE<br />
  16. 16. Good Control v Poor ControlTypical Exposure Levels<br />
  17. 17. Real life account<br />The Hidden Killer - Christopher Morgan's Story<br />
  18. 18. Group activity – 5 minutes<br />I’m sure you will agree that what you have just seen was a very ‘moving’ video, with some very clear messages.<br />Discuss what important message you will take away with you today?<br />Nominate a person in your group to feed back.<br />
  19. 19. Asbestos insulating board used as a ceiling board for fire resistance, plumber wasn’t informed/aware when he fixed the leak<br />
  20. 20. Loose infill under floorboards exposed during central heating installation – Refurbishment survey not completed<br />
  21. 21. Non licensable ACMs<br />Asbestos cement<br />Textured coatings<br />Composite materials<br />
  22. 22. Asbestos Essentials for Non Licensed Tasks<br />
  23. 23. Licensable ACMs<br />Asbestos Insulating Board<br />Sprayed coatings<br />Lagging<br />
  24. 24. Individual Task<br />Complete the task sheet –<br /> ‘The hunt for asbestos’<br />Consider the areas listed and the ‘bubbles’ on the house picture – where are ACM’s situated?<br />Good luck!<br />
  25. 25. Learning Outcomes<br />Demonstrate understanding of the dangers associated with asbestos<br />Recall the 3 different types of asbestos<br />Identify where asbestos can be found in day to day use<br />