论文部分内容阅读
目的掌握濮阳市学校桶装饮用水卫生安全状况和存在的主要问题,找出问题存在的原因和解决方法,确保学生的饮水安全。方法采用分层随机抽样的方法,对濮阳市城区、各县区托幼机构、小学、中学饮用的桶装水分别采样检测和现场调查。结果 180份桶装饮用水合格率为8 5.5 6%,以微生物超标为主,不同季节合格率有明显差异,冬春季合格率明显高于夏秋季,中学桶装水合格率高于托幼机构和小学。结论学校桶装饮用水存在微生物污染状况,加强桶装饮用水器的清洗消毒和提高桶装饮用水的周转率,是保证学校桶装饮用水安全的关键。
Objective To understand the health and safety status of bottled drinking water in schools in Puyang City and its main problems, find out the reasons and solutions to the problems, and ensure the safety of students’ drinking water. Methods A stratified random sampling method was used to sample and inspect the bottled water drinking in the institutions of kindergartens, primary schools and secondary schools in Puyang city and counties. Results The qualified rate of 180 bottled drinking water was 8 5.5 6%. The result showed that there was a significant difference in passing rate in different seasons. The passing rate in winter and spring was obviously higher than that in summer and autumn. The passing rate of bottled water in middle school was higher than that of kindergarten And primary school. Conclusion There is microbial contamination in bottled drinking water in schools. Strengthening the cleaning and disinfection of bottled drinking water and increasing the turnover rate of bottled drinking water are the keys to ensure the safety of bottled drinking water in schools.