武汉市集中式饮用水水源地环境健康风险优先控制污染物识别
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摘要
本文筛选了武汉市占全市集中式饮用水供水量80%以上的水源地水质监测项目中的相关致癌因子,应用环境健康风险评价模型计算了其致癌风险和非致癌风险,由此识别了武汉市集中式饮用水水源地环境健康风险优先控制的污染物为:砷>六价铬>氯乙烯>苯>多氯联苯>三氯乙烯>镉>苯并(a)芘。建议增加0.0023 mg/L、0.007 mg/L、0.0025 mg/L来分别作为砷、六价铬和氯乙烯的水质监测标准限值,以控制其环境健康风险。
引文
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[5]USEPA.Risk Assessment Guidance For Superfund.Volume I Human Health Evaluation Manual(Part A)[S].Washington,DC:USEPA,1989.EPA/540/1-89/002.
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[7]USEPA.Exposure Factors Handbook Revised[S].Volume I Human Health Evaluation Manual(Part B)[S].Washington,DC:USEPA,Office of Research and Development,2011.EPA/600/R-09/052A.
[8]环境保护部。中国人群环境暴露行为模式研究报告(成人卷)。中国环境出版社,北京,2013.12。
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