沈阳铁路地区生活饮用水微生物指标检测结果分析

目的了解沈阳铁路地区各车站、站段生活饮用水的卫生情况,保证铁路职工饮水安全。方法对338件水样进行微生物指标的检验。结果总合格率为90.8%。其中菌落总数的合格率为90.8%,总大肠菌群和耐热大肠菌群合格率为93.5%。1、4季度水质好于2、3季度。各类水样合格率经统计学处理,二次加压水与出厂水相比较,χ2=5.82,P<0.05,差异有统计学意义。出厂水与分散式供水比较,χ2=5.57,P<0.05,差异有统计学意义。结论该地区生活饮用水的水质尤其是分散式供水污染状况较为严重,铁路一线职工的饮水安全亟待解决。

Results Analysis on Microbial Detection of Drinking Water in Shenyang Railway Area

[Objective]To learn the sanitary condition of drinking water in all stations and depots of Shenyang railway area,so as to ensure the drinking water safety of railway workers.[Methods]The microbial detection was conducted in 338 water samples.[Results]The total qualified rate was 90.8%,the qualified rate of total bacteria counts was 90.8%,and that of total coliform group and thermotolerant coliform bacteria was 93.5%.The quality of drinking water in first and fourth quarter was better than that in second and...