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Influence of ventilation on indoor radon level |
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| Authors: | Christopher YH Chao Thomas CW Tung John Burnett |
| Affiliation: | * Department of Mechanical Engineering, The Hong Kong University of Science & Technology, Clear Water Bay, Hong Kong ? Department of Building Services Engineering, The Hong Kong Polytechnic University, Hung Hum, Hong Kong |
| Abstract: | Detailed radon measurements were conducted at different residential units in Hong Kong in winter time when air-conditioners were off and also in summer time when air-conditioners were on. Ventilation rates were measured concurrently to investigate the influence of ventilation on indoor radon level. The ratio of indoor radon level to outdoor radon level was plotted against ventilation rate, and it was found that a critical value existed after which the indoor radon level could be considered identical to the outdoor level. This result is important for use in ventilation design to reduce indoor radon pollution. |
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