Sanitary Investigation on Ground Water in Tongzhou District, Beijing
- VernacularTitle:北京市通州区地下水卫生学调查
- Author:
Bo LIU
- Publication Type:Journal Article
- Keywords:
Water: Sanitary investigation: Countryside
- From:
Journal of Environment and Health
1993;0(01):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To understand the sanitary quality of ground water in countryside of Tongzhou District, Beijing, and to provide basic data for water improvment in countryside in future. Methods The water sampls collected from wells by stratified sampling method in every township of Tongzhou District, Beijing were analyzed. Results The sanitarg quality of source water samples from every township showed significant differences. The completely-qualified rate of source water was 100% in Maqiao, 0% in Xuxinzhuang, Langfu, Gantang. 13 indexes among 26 determined sanitary indexes including ammonia nitrogen, turbidity, total iron, and manganese exceeded the related standards. The concentrations of total hardness, arsenic, fluoride nitrite exceeded the related standards. Regional differences in contaminative degree were noticed. Conclusion The ground water in countryside of Tongzhou District was contaminated in different degree, and show regional differences in water quality, which needed to be improved urgently.
