광주지역 비상급수 항목별 상관성 및 수질특성 연구
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Abstract
Groundwater pollution can be caused by human activity related ground facilities, unpredictable accident or people's unconcern. Ground water typically becomes polluted when rainfall soaks into the ground, comes in contact with sources of contamination, and carries them into groundwater. The characteristics of emergency supply water for drinking was identified and the relationship of water quality items was analyzed, The 112 water samples were collected from Gwangju area, and 46 water quality items were analyzed under Korean Drinking Water Standards method. The maximum values of Color, Turbidity, NO3-N, Mn, Fe, Cu and Zn were 400 degree, 430.00 NTU, 32.5 mg/L, 2.305 mg/L, 0.830 mg/L, 1.393 mg/L, 9.450 mg/L respectively. The results of regression analysis, Turbidity was highly correlated with the concentrations of Iron (R=0.68), and Zinc (R=0.87). The concentration of Hardness and Sulfate ion increased with the concentration of Total Solids. A Correlation coefficient was 0.73 between Color and Iron and was 0.86 Color and Zincs. The concentration of nitrate nitrogen was correlated with the concentration of Chloride ion (R=0.55).
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