Health risk assessment of urban surface waters based on PCR analysis of typical pathogens
In this study, the authors chose enteroviruses as typical enteric viruses and Salmonella typhi, Shigella, and Escherichia coli as typical bacterial pathogens in several urban waters in Xian, China. By considering two routes of human exposure to urban waters, i.e. drinking water and involuntary inhalation or skin contact, and supposing that the dose-response relation may follow either the exponential model or the Beta-Poisson model, health risk assessment was conducted to estimate the safety under a given acceptable risk level upon exposure to each water and to evaluate the required level of pathogen inactivation for safeguarding. As a result, it was found that human health risk due to enteroviruses is often higher than that due to bacterial pathogens, and higher removal of enteroviruses would be required for safeguarding at the same acceptable risk level.
Health risk Ezposure dose-response relationship acceptable risk level
C.M.Zhang X.C.Wang
Key Lab of Northwest Water Resource, Environment and Ecology, MOE, Xian University of Architecture and Technology, No.13 Yanta Road, Xian 710055 China
国际会议
第八届中日水环境暨NSFC-JST重大国际合作项目成果交流会
苏州
英文
60-64
2008-11-29（万方平台首次上网日期，不代表论文的发表时间）