【摘要】 [目的]调查分析某城市生活饮用水异味事件的发生原因,查明污染物质,以利采取有效措施消除或控制危害因素,确保生活饮用水卫生安全,保障消费者身体健康。[方法]对某自来水厂进行现场调查和水源水、出厂水、末梢水水质进行卫生监测与评价。[结果]水源水水质的挥发酚类不符合国家《地面水环境质量标准》(GB3838—2002)规定的III类水质标准;出厂水和末梢水水样中的挥发酚类检测值为<0.002~0.132mg/L,存在臭和味、挥发酚类等指标不符合国家《生活饮用水卫生标准》(GB5749—2006)规定要求。[结论]水源水苯酚污染是造成此次饮用水异味事件的主要原因。更多还原

【Abstract】 [Objective] To investigate and analyze the cause of an incident of drinking water odor in a city,to identify the pollutants,and to ensure drinking water safety and customer health by identifying and removing the pollutant.[Methods] A field investigation was conducted in a water plant after the drinking water odor incident reported.The samples of source water,finished water and peripheral water were monitored and evaluated.[Results] The volatile phenol index of source water did not meet the class III water quality standard prescribed in Environmental Quality Standards for Surface Water(GB 3838—2002).The concentrations of volatile phenols tested in finished water and peripheral water samples varied between 0.002 mg/L and 0.132 mg/L,and other indicators such as smell and taste did not conform to the requirements of Standards for Drinking Water Quality(GB 5749—2006).[Conclusion] Phenol pollution of source water is the main cause of the investigated odor incident in drinking water.更多还原