延安大学饮用水状况调查及水质检测分析

为了解延安大学学生日常饮用水状况及水质情况，编制饮用水问卷调查表进行调查，同时根据调查结果采集水样进行检测。发放调查问卷1000份，收回有效问卷917份。调查结果显示，选择学校供水为261人，占调查总数的28．46％，饮用桶装水的为526人，占调查总数的57．03％，其余为瓶装水，占调查总数的14．51％。按照调查结果，总共采得水样63份（学校供水16份，桶装水31份，瓶装水16Ck），经检测，所检项目均合格的为37份，合格率60．66％。结果表明，延大校园内日常饮用水种类多样，水质存在不合格因素，应加强对饮用水的安全管理，并对学生健康科学饮水进行教育、引导。

Investigation and Detection of Drinking Water in Yan'an University

Understanding of the teachers and students in Yan＇an University daily drinking water status and water quality. Preparation of drinking water to the Yanan University teachers and students questionnaire survey, according to the findings of collecting water samples in accordance with the ＂drinking water standard test method for detection of＂. A total of 1000 copies of questionnaire reclaim effective questionnaire 917. Findings shows, choose the school water supply for 261 people, occupy investigation gross 28.46%, bottled drinking water for 526 people, accounted for 57.03 % of the total remaining for investigation, bottled water, accounted for 14.51% of the total number of sur- vey. According to the survey results, a total of 63 samples were collected （ School of water 16 ,bottled water bottled water 31,16 ）, after testing, the seized items were qualified for the 37, the passing rate of 60.66%. The results show that the extension within the campus daily drinking water species diversity,water quality there are unqualified fac- tors, should strengthen the management of drinking water safety, and health science students, guide the water educa- tion.