摘要
水源地环境污染的健康风险包括化学物的致癌风险、躯体损害风险和辐射伤害风险,通过各自的剂量-反应关系,可建立3类风险的计算模型。在对部分参数进行适应性调整的基础上,运用这些模型对扬州市四水厂进行了分析评价。结果表明,该水源地水体中痕量有毒有害污染物所致健康危害总风险值为4.87×10-8a-1,远低于EPA推荐的风险限值,削减具有潜在致癌效应的卤代烃类排放是控制风险的关键。
Environmental health risk of drinking water source was derived from carcinogen、non-carcinogenic poison and radiation. The computational models of these three type risk were established on their dose-reaction relations. In this paper, these models were applied to assess the health risk of№4 waterworks in Yangzhou based on some parameters adjustment. The results indicated that the health risk caused by trace toxic and harmful pollutants in this drinking water source was 4.87×10^-8 a^-1 . The risk was much lower than the value recommended by EPA. The key to control risk of this drinking water source was reducing emissions of halohydrocarbon having potential carcinogenic effect.
出处
《中国环境监测》
CAS
CSCD
北大核心
2014年第1期10-12,共3页
Environmental Monitoring in China
关键词
饮用水源地
健康风险评价
痕量
有毒有害污染物
drinking water source
health risk assessment
trace
toxic and harmful pollutant
