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[目的]调查分析某自来水厂生活饮用水异味事件,确保生活饮用水卫生安全,保障人民群众身体健康。[方法]对某自来水厂进行现场调查和水源水、出厂水、末梢水水质进行卫生监测与评价。[结果]出厂水和末梢水水质96项检测结果符合国家《生活饮用水卫生标准》GB5749-2006,水源水的氨氮、挥发酚类、铁等指标偶尔不符合GB3838-2002Ⅱ类水质标准。[结论]饮用水源水受到上游厂矿企业的工业废水无规律的排放污染,消除水源污染,经采取特殊处理工艺措施生产的自来水可以安全饮用。
[Objective] To investigate and analyze the odor of drinking water in a waterworks, ensure the hygiene and safety of domestic drinking water and ensure the health of the people. [Method] On-site investigation of a water plant and hygienic monitoring and evaluation of water quality, ex-factory water and peripheral water quality were carried out. [Result] The 96 test results of ex-factory water and peripheral water quality conformed to the national standard of sanitary drinking water GB5749-2006, the ammonia nitrogen, volatile phenol and iron of water source did not meet the water quality standard of GB3838-2002 Ⅱ. [Conclusion] The source water of drinking water was polluted by the irregular discharge of industrial waste water from the upstream factories and mines, and the water pollution was eliminated. Tap water produced through special treatment measures was safe for drinking.