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[目的]了解通辽市科尔沁区铁路系统生活饮用水的卫生现状,保障人民生活饮用水的安全,为今后改水工作提供科学依据。[方法]对通辽铁路系统2007年123份生活饮用水进行了理化指标、毒理学指标和污染物指标检测。[结果]铁、锰和细菌总数的不合格率较高,分别为49.56%,55.28%和21.14%;混浊度、肉眼可见物、氟化物、氨氮、亚硝酸盐氮、硝酸盐氮、耗氧量不合格率也分别达到了11.38%,8.13%,20.33%,12.20%,14.63%,8.94%,10.57%;总合格率为90.67%。[结论]通辽铁路系统生活饮用水的卫生状况不容乐观,有些问题亟待解决,并提出了整改的10项建议。
[Objective] To understand the sanitary status of domestic drinking water in the railway system in Horqin District of Tongliao City and ensure the safety of drinking water for people’s daily life, providing a scientific basis for water diversion work in the future. [Method] The physical and chemical indexes, toxicological indexes and pollutant indexes of 123 drinking water in Tongliao railway system were tested in 2007. [Results] The total failure rates of iron, manganese and bacteria were 49.56%, 55.28% and 21.14%, respectively. The turbidity, macroscopic, fluoride, ammonia nitrogen, nitrite nitrogen, nitrate nitrogen, oxygen consumption The unqualified rate also reached 11.38%, 8.13%, 20.33%, 12.20%, 14.63%, 8.94% and 10.57% respectively. The total qualified rate was 90.67%. [Conclusion] The health condition of domestic drinking water in Tongliao railway system is not optimistic, some problems need to be solved urgently, and 10 suggestions for rectification are put forward.