JAMES HOLMES / THOMSON LABORATORIES / SCIENCE PHOTO LIBRARY JAMES HOLMES / THOMSON LABORATORIES / SCIENCE PHOTO LIBRARY
Worker wearing protective suit & breathing mask holds a portable suction pump for on-site collection of air samples potentially containing asbestos fibres. His breathing mask contains a filter that is effective against a range of other harmful substances, including toxic & radioactive particles, bacteria and viruses. Asbestos was widely used in the past as a building insulation material & many older buildings contain substantial quantities. Asbestos is a health hazard when its fibres are inhaled into the lungs. Diseases linked with asbestos exposure include asbestosis, lung cancer & mesothelioma.
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