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KMID : 1024520110200050575
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Journal of the Environmental Sciences
2011 Volume.20 No. 5 p.575 ~ p.580
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A Study on the Characteristics of Water Quality for Groundwater and Purified Water of Several Schools in Gyeongsangbukdo Province
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Kim Suk-Chan
Bae Hun-Kyun
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Abstract
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This study characterized water quality of groundwater and purified water used for drinking water in 30 schools in Gyeongsangbukdo Province. The results of the study showed that 43% of groundwater and 45% of purified water were not suitable for drinking. Among them, microbial contaminations were the most serious problem. In raw groundwater, the exceeding rates of total colony counts was the highest in August (53.6%). Purified water samples showed higher rate of exceeding drinking water standard for total colony counts while showing lower rate of exceeding drinking water standard for total coliforms and fecal coliforms in March and August. Overall, proper managements for microbial contaminations are required for both groundwater and purified water. Furthermore, special attention should toward students not to drink water when groundwater or purified water exceeds the drinking water quality standard.
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KEYWORD
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Groundwater, Purified water, Water quality, Physicochemical parameter, Total coliform, Fecal coliform
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