2009-2011年通辽铁路辖区生活饮用水检测及结果分析

Analysis and Detection on Drinking Water in Tongliao Railway District in 2009-2011

目的了解通辽铁路辖区生活饮用水的卫生现状,保障沿线人民群众和旅客的生活饮用水安全。方法按照《生活饮用水标准检验方法》(GB/T 5750-2006)进行采样、保存并运送到实验室进行检测,按照《生活饮用水卫生标准》(GB 5749-2006)进行评价,检测指标1项不合格即为本水样不合格。对2009—2011年采集的280份水样进行检测和评价。结果单项合格率,氟化物、锰和铁的合格率较低,分别为93.21%、74.29%和74.64%;肉眼可见物、耗氧量、臭和味、氯化物、总大肠菌群、色度、浊度和总硬度合格率分别达到99.64%、99.64%、99.64%、98.93%、98.93%、98.57%、98.21%和96.79%,总合格率为53.93%。结论通辽铁路辖区生活饮用水的卫生状况亟待解决,并提出整改建议。

Objectives To understand the hygienic status of drinking water in Tongliao railway area,ensure the water safety for the residents along the way and passengers in the trains.Methods According to＂Drinking Water Standard Test Method for Sampling＂（GB/T 5750-2006）,the samples were tested after sampling,preservation and transportation to the laboratory.According to ＂Evaluation of Drinking Water Health Standards＂（GB 5749-2006）,the sample with only one indicator unqualified was determined as unqualified.A total of 280 water samples in 2009-2011 were collected for detection and evaluation.Results The pass rate of fluoride,manganese and iron were lower,which was respectively 93.21%,74.29% and 74.64%;the qualified rates of visible to the naked eye,oxygen consumption,smell and taste,chloride,total coliforms,chroma,turbidity as well as total hardness were respectively 99.64%,99.64%,99.64%,98.93%,98.93%,98.57%,98.21% and 96.79%,the total qualified rate was 53.93%.Conclusions The hygenic status of drinking water in Tongliao railway area must be resolved;and some renovating suggestions have been proposed.