Effect of Hours of Use of Drinking Machine on Drinking Water Quality
- VernacularTitle:饮水机使用时间对桶装饮用水水质的影响
- Author:
Jun REN
;
Ling TAO
;
Zhong DU
- Publication Type:Journal Article
- Keywords:
Water;
Health survey;
Nitrites;
Total bacteria counts;
Coliform counts
- From:
Journal of Environment and Health
2007;0(08):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To know the effect of hours of use of the drinking machine on drinking water quality. Methods The hours of use of the drinking machine were 1week, 2, 5, 10, 12, 36 and 60 months, the water samples collected at different hours of use was determined by routine test methods of water quality. Results The total bacteria count and nitrite in drinking water exceeded the standard limits and the two indexes increased as the hours of use of the drinking machine lasted. At the first-using of drinking-machine, the total bacteria count and coliform count exceeded the standard limits seriously. Conclusion In order to ensure the drinking water safety,water should be boiled before drinking and the drinking-water-producing factories should improve the production and management. Cleaning and disinfection of the inner components of drinking water machine should be paid more attetion to.
