Analysis on Sanitation of Secondary Drinking Water Supply System in Public Places

VernacularTitle:公共场所饮用二次供水卫生监测结果分析
Author: Chengyun ZHANG ; Tingkai QIN ; Xiangjing LIU
Publication Type:Journal Article
Keywords: Public place, Secondary water supply; Monitoring and analysis.
From: Journal of Environment and Health 1989;0(06):-
CountryChina
Language:Chinese
Abstract: Objective To Cenderstand the sanitation status of secondary drinking water supply system of public places. Methoods The sanitation of secondary drinking water supply system was investigated by on_site survey method and the sanitary quality of water samples were determined. Results The over_standard rates contents of Fe and total coliformz of water samples of secondary water supply system significantly increased compared with the related levels of tap water of municipal water supply. The unqualified rate of free residual chorine of water sample from secondary water supply system reached 54.55%. Conclusions The equipments for secondary water supply were obsolete and unretional design. The sanitary quality of secondary water supply was also affected by geological structure easily.