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KMID : 0382420010270040041
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Korean Journal of Environmental Health Society
2001 Volume.27 No. 4 p.41 ~ p.46
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A Study on THMs Formation in Service Waters and Waste Waters at Kunsan
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Hwang Gab-Soo
Kim Kang-Joo
Lee Young-Nam
Yoe Seong-Koo
Kim Jin-Sam
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Abstract
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Trihalomethane(THMs) levels in drinking tap water, indoor swimming pool water and industrial effluent in Kunsan area were surveyed in this study.
During experimental period, the monthly averages of THMs in drinking tap water from Keumkang wide-area supply ranged from 15㎍/ℓ to 50㎍/ℓ, showing the highest level in summer. 3 indoor swimming pools showed the monthly average levels of THMs formation ranging from 8㎍/ℓ to 26㎍/ℓ and the pool under public management seemed to maintain its water quality more stable than those under private management. THMs concentrations in the effluents, discharged from 10 manufacturing companies, ranged from N.D. to 95㎍/ℓ and it was estimated that the overall THMs level discharged from those manufacturing companies is not high, reflecting the traces recorded for most effluents.
The composition ratios of individual THMs for industrial effluents showed a difference from those for drinking water and swimming pool water, along with their wide variations according to the company and relatively high composition ratios of Br substituents.
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