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KMID : 1171820040190010008
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Journal of Environmental and Sanitary Engineering
2004 Volume.19 No. 1 p.8 ~ p.16
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A survey on the content of inorganic materials in ground-water of Northern Gyeonggi area
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Oh Jo-Gyo
Son Jin-Seok
Bae Yong-Soo
Jung Eun-Hee
Park Jin-Ho
Hwang Sun-Min
Jung Yeon-Hoon
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Abstract
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Ground water samples were collected from residential, green" industrial, landfill and mining area and analyzed for 23 inorganics from March to October in 2002. The results are as follows; 1. The detection frequencies of inorganic materials such as As, Ba, B, Mo, Ca, Mg, AI, Cu, Fe, Mn, Zn, Na, K were 7.2-77.1% which showed that these inorganics were detected in many ground waters. 2. The detection frequencies of 7 inorganics (Cd, Cr, Pb, Se, Sb, Be, TJ) were commonly low at ranging from 0.42 to 2.5%. These inorganics were contained in ground water partially. 3. Three inorganics such as Hg, Ni, Ag were not detected in any ground-water samples. 4. Compared to the other areas, ground water samples from landfill area contained greater concentration in many inorgainics and then showed higher levels in industral, residential, mining and green area in order. 5. Compared to noted concentrations of bottled water, inorganic minerals including Ca, Mg, Na, K related to taste were fluent in target samples. The results showed that the average
concentrations of Mg, Na, K were 4.0 mg/ℓ, 14.7 mg/ℓ, 1.5 mg/ℓ respectively. 6. The concentrations of inorganics such as Sb, Ba, Mo, Be, Tl, K in some ground water samples exceeded the water quality standards of WHO, the US and UK Especially, Ba, Mo, K also showed relatively high detection frequencies so these inorganics need to be considered as analytes in Korea Drinking Water Regulation in further study.
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KEYWORD
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groud-water, inorganic materials, Gyeonggi-do
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