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目的回顾分析2005—2008年中山市集中式供水水质卫生状况,为加强其监督管理,保障饮水卫生,防控介水疾病提供科学依据。方法依照GB/T5750-2006《生活饮用水标准检验方法》、GB5749-2006《生活饮用水卫生标准》,对集中式供水水样进行抽检,并对有关的细菌学指标、感官指标、化学指标和毒理学指标进行测定和评价。结果2005—2008年水质稳定,总合格率为97.64%。各年合格率依次为96.65%、97.18%、98.06%、98.68%。结论中山市集中式供水水质卫生状况良好,但仍有待提高,应进一步加强相应的监督监测和技术指导。
Objective To review the health status of centralized water quality in Zhongshan City from 2005 to 2008 and provide scientific basis for strengthening its supervision and management, ensuring drinking water hygiene and preventing and controlling water-borne diseases. Methods In accordance with GB / T5750-2006 Standard Test Method for Domestic Drinking Water and GB5749-2006 Standard for Drinking Water Quality, the centralized water sampling was carried out. The relevant bacteriological, sensory, chemical and Toxicological indicators were measured and evaluated. Results The water quality was stable from 2005 to 2008, with a total pass rate of 97.64%. The passing rates in each year were 96.65%, 97.18%, 98.06% and 98.68% respectively. Conclusion The water quality of centralized water supply in Zhongshan is in good condition, but it still needs to be improved. The corresponding supervision and monitoring and technical guidance should be further strengthened.