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2014年佛山市顺德区二次供水水质监测

Surveillance on the Quality of Secondary Water Supply,Shunde District,Foshan City,2014
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摘要 目的目的了解2014年佛山市顺德区二次供水的卫生状况,探索二次供水的卫生管理模式,确保二次供水的供水安全。方法按GB 5750-2006《生活饮用水标准检验方法》对顺德区各二次供水单位的水质进行随机抽样检测,并依据GB 17051-1997《二次供水设施卫生规范》进行评价。结果 2014年共抽检120份二次供水,均检测21个项目,合格率为90.83%。主要不合格项目为游离余氯、浑浊度、氨氮及细菌总数,合格率分别为96.67%、98.33%、95.00%、95.83%。城区二次供水水质合格率为98.08%(51/52),优于乡镇二次供水水质合格率85.29%(58/68)(P<0.05);酒店二次供水水质合格率为98.21%(55/56),优于居民小区二次供水85.29%(54/64)(P<0.05)。结论顺德区二次供水的总体卫生状况良好,但二次供水的卫生管理仍有待进一步落实和完善,尤其要加强对乡镇和居民小区二次供水的卫生监管。 Objective To understand the sanitary condition of the secondary water supply in Shunde district,Foshan city, 2014, then explore the health management mode,so as to ensure the safety of the secondary water supply. Methods Ac- cording to GB 5750 2006 Standard test method for drinking water,the secondary water supply units in Shunde district were randomly sampled and detected, then evaluated by using GB 17051-1997 Hygienic standard for secondarywater supply facilities. Results A total of 120 samples of secondary water supply were randomly sampled and detected in 21 indicators for each one in Shunde district, 2014, the qualified rate was 90.83 %. The unqualifiedindicators were free residual chlorine, turbidity, ammonia nitrogen, and total bacterial count, with the qualification rate of 96.67 %, 98.33 %, 95.00%, and 98.33 %. The qualified rate of secondary water supply in the urban areas was 98.08 % (51/52), which was better than that in towns(85. 29% ,58/68)( P 〈0.05). The qualified rate of secondary water supply in hotels was 98. 21% (55/56), which wasbetter than that in residential quarter(85.29% ,54/64)( P 〈0.05). Conclusion The overall sanitary condi tion of the secondary water supply is good in Shunde district. But the health management remains to be implemented and improvedfurther. Especially, the health supervision of secondary water supply in township and residential quarters needs to be strengthened.
出处 《预防医学论坛》 2015年第8期624-626,共3页 Preventive Medicine Tribune
关键词 二次供水 卫生状况 水质分析 The secondary water supply Sanitary condition Water quality analysis
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