Man-made mineral fibres in homes caused by thermal insulation |
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| Institution: | 1. Department of Architecture and Built Environment, Faculty of Engineering, University of Nottingham, University Park, NG7 2RD, Nottingham, UK;2. The Woodland Trust Scotland, South Inch Business Centre, Perth, Perthshire, PH2 8BW, Scotland, UK;3. Nottingham City Homes, Beechdale Court, Beechdale Road, NG8 3LH, Nottingham, UK;4. Envirup Ltd, The Nottingham CleanTech Centre, 63-67 St Peters Street, Nottingham NG7 3EN, UK;1. Building Science Centre of Excellence, British Columbia Institute of Technology, Burnaby, Canada;2. Construction, National Research Council of Canada, Ottawa, Canada;1. Research Centre of Sustainable Built Environment, University of Nottingham Ningbo China, 315100, China;2. University of Nottingham, Nottingham, NG7 2QL, UK;3. Nottingham Ningbo China Beacons of Excellence Research and Innovation Institute, China;4. Key Laboratory of Carbonaceous Wastes Processing and Process Intensification Research of Zhejiang Province, University of Nottingham Ningbo China, Ningbo, 315100, China;1. Department of Architecture, Faculty of Engineering, Ain Shams University, Cairo, Egypt;2. Department of Interior Architecture, Faculty of Fine Arts, Alexandria University, Alexandria, Egypt;3. Department of Material Engineering, Faculty of Engineering, German University in Cairo, Cairo, Egypt |
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| Abstract: | In a pilot study the concentration levels of man-made mineral fibres in homes were investigated during a thermal insulation procedure in which glass or rock fibres were blown into the cavity wall. The concentration in the rooms during the insulation procedure varied between 5 × 10−3 and 25 × 10−3 lightmicroscopically detectable fibres cm−3, with peaks up to 65 × 10−3 fibres cm−3. The next day the concentration had been decreased to 10−3-10 × 10−3 fibres cm−3. The concentration of the electronmicroscopically detectable fibres during the insulation varied between 50 × 10−3 and 400 × 10−3 fibres cm−3. The next day the concentration in some houses was still above the level usually found in the ambient air in The Netherlands. It is likely that good ventilation during the next day would bring the indoor concentration to the outdoor level. |
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