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- W2350994740 abstract "[Objective]In order to understand sanitary quality of drinking water in Chongzuo city,guarantee the safety of drinking water to all the resident and provide scientific basis for supervision and inspection in Chongzuo city.[Methods]According to Hygienic Management for Drinking Water and Sanitary Standard of Drinking Water (2001),on-the-spot supervision in 123 water supply units was conducted and 390 drinking water samples were analyzed.[Results]Of the 123 water supply units investigated,water completed treatment rate was 34.40% in 93 central water supply units,uncompleted rate was 25.81%,39.78% of them had no treatment;the rate of completed treatment in municipal administration water supply units was 100.00%.Of the 390 water samples,the qualified rate was 69.23%.The qualified rate of water in municipal administration supply units(98.33%) was higher than that in villages and towns(67.56%).The qualified rate of water collected from self-constructed water supply was 62.67%,and from the second water supply was 40.00%,there was a significance difference(P0.01).The qualified rate of bacteria was the lowest(70.26%) The qualified rate in dry season(79.43%) was higher than that in rich season(60.93%),there was a difference(P0.01).[Conclusion]The drinking water supplied under the municipal administration was safe,but there are still hidden troubles in villages and towns from self-constructed and second water supply units.The main affecting factor was the bacteria which was over the standard.Supervision must be strengthened.Test and delivery of hygienic license must be standardized to insure the quality of drinking water." @default.
- W2350994740 created "2016-06-24" @default.
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- W2350994740 date "2008-01-01" @default.
- W2350994740 modified "2023-09-26" @default.
- W2350994740 title "Investigation on Sanitary Quality of Drinking Water in Chongzuo City in 2007" @default.
- W2350994740 hasPublicationYear "2008" @default.
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