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Studies on the Quantitative analysis and the Health Effect of VOCs in Environment - Analysis for THMs of tap water in six cities of Korea -
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2000, v.13 no.1, pp.55-65
Kim,
M., Park,
Y., &
Chung,
Y.
(2000). Studies on the Quantitative analysis and the Health Effect of VOCs in Environment - Analysis for THMs of tap water in six cities of Korea -. Analytical Science and Technology, 13(1), 55-65.
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Abstract
In this study, we collected the tap water that treated from water plant in Seoul, Incheon, Taejon, Kwangju, Taeku and Pusan and supplied each house. The sampling period was June and September, 1997. The concentration of THMs formed by chlorination in drinking water was determined with the purge and trap method with GC/MSD recommended by the us EPA 542.2 method. Chloroform is the most of THMs (47.43%~93.11%) and the content order is bromodichloromethane > chlorodibromomethane > bromoform. In Incheon, Taejon, Kwangju, Taeku and Pusan, the content of bromodichloromethane, chlorodibromomethane and bromoform was higher than Seoul. But, in June and September, the concentration of THMs in six cities is not over Korea Drinking Water Regulation <TEX>$100{\mu}g/L$</TEX>. The calculated human exposure for each substances were chloroform <TEX>$6.14{\times}10^{-4}mg/kg/day$</TEX>, bromodichloromethane <TEX>$1.01{\times}10^{-4}mg/kg/day$</TEX>, chlorodibromomethane <TEX>$0.29{\times}10^{-4}mg/kg/day$</TEX>, bromoform <TEX>$0.01{\times}10^{-4}mg/kg/day$</TEX> and THMs <TEX>$7.98{\times}10^{-4}mg/kg/day$</TEX>.
- keywords
- YOCs, GCIMSD, THMs, Tap Water
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