インド北東部で採取した飲料水の衛生学的考察

概要

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Samples of drinking water collected from New Delhi, Calcutta (as representative urban area), Punjab (rural area), Darjeeling (mountain area) in India. Samples were carefully collected so that no air vesicle came in the vacuum polyethylene bottle and all water quality examinations were performed in Japan. 22 items were analyzed. However, bacterial test were not carried out.Levels of NO3-, Br-, Cl- in drinking water of both city area were high. TOC and THM in Calcutta and Punjab were high. The concentrations of fluoride in Punjab were very high and the maximum concentration was 9.7mg·l-1. In general, the concentrations of fluoride in the drinking water in India was higher than that of in Japan.Judging from the levels of SO42-, Br-, Cl- and F- in well water samples, much of the drinking waters can be considered as contaminated from soil and therefore, it is not suitable for drinking.
社団法人　日本水環境学会の論文
1996-09-10