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《Resources and Environment in the Yangtze Basin》 2009-03
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ON HUMAN HEALTH RISK ASSESSMENT OF SOIL PAHs CONTAMINATION DURING URBAN LAND REPLACEMENT

ZHAO Qin-na1,2,XU Qi-xin2 (1.School of Management of Hefei University of Technology,Hefei 230009,China;2.Departments of Environmental Science,East China Normal University,Shanghai 200062,China)  
Using human health risk assessment(HRA) procedures to determine the remediation or redevelopment of contaminated site has become a new research area.In the paper,based on the future land use patterns,the HRA model was applied to evaluate the health risk brought by PAHs contamination in a site for redevelopment.The results indicated that under the two exposure scenarios including the normal condition and the extreme condition,and three exposures,including inhalation exposures,dermal exposures and ingestion exposures,the carcinogenic risk brought by PAHs contamination was comparatively high,and exceed the acceptable health risk lever in several sites.Take the sensitive children for example,the risk-based PAHs remedial goal of 634 μg/kg was calculated for reducing the carcinogenic risk to acceptable level under the extreme condition.In future,with the development of environmental management,the HRA should be strengthening during urban land redevelopment.
【Fund】: 合肥工业大学博士专项资金资助项目(110-035037)
【CateGory Index】: X825
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