摘要
[目的]对大连市2009—2011年城市生活饮用水监测结果进行分析,了解大连市近年生活饮用水的水质卫生状况。[方法]选取大连市疾病预防控制中心2009—2011年城市生活饮用水监测资料,按照《生活饮用水标准检验方法》(GB 5750—2006)进行检测,按照《生活饮用水卫生标准》(GB 5749—2006)进行评价。[结果]2009—2011年共检测水样1839份,其中合格者为1681份,合格率为91.41%;主要不合格项目为浑浊度、总大肠菌群、细菌总数、耐热大肠菌群、余氯、铁、硝酸盐;水样合格率逐年上升;市政水合格率较高,自备水、二次供水合格率较低。[结论]大连市城市生活饮用水水质总体较好,但自备水、二次供水仍存在问题,要加强生活饮用水的监测监管力度。
[Objective]To understand the quality of drinking water in Dalian by analyzing the monitoring results of drinking water from 2009 to 2011.[Methods]Monitoring data of Dalian drinking water from 2009 to 2011 were obtained from Dalian Center for Disease Control and Prevention.According to the Standard Examination Methods for Drinking Water（GB 5750—2006） and the Standards for Drinking Water Quality（GB 5749—2006）,the samples of drinking water were examined and evaluated.[Results]Of the 1839 drinking water samples tested,the qualified rate was 91.41%（1681）.The main unqualified items were turbidity,total coliforms,total bacterial count,heat-resistant coliforms,residual chlorine,iron,and nitrate.The qualified rates of the drinking water samples increased by years,those of municipal water supply were high,and those of selfprovided water and secondary water were low.[Conclusion]The quality of drinking water in Dalian is generally at a high level,except for self-provided water and secondary water,which requires strengthened monitoring and supervision.
出处
《环境与职业医学》
CAS
北大核心
2013年第7期536-537,共2页
Journal of Environmental and Occupational Medicine
关键词
生活饮用水
水质
分析
drinking water
water quality
analysis
