| Title |
The Study on the Water Quality Characteristics of Barium in the Raw Water of Domestic Natural Mineral Water |
| Authors |
이이내 ( Leenae Lee ) ; 안경희 ( Kyunghee Ahn ) ; 양미희 ( Mihee Yang ) ; 최인철 ( Incheol Choi ) ; 정현미 ( Hyenmi Chung ) ; 이원석 ( Wonseok Lee ) ; 박주현 ( Juhyun Park ) |
| DOI |
https://doi.org/10.15681/KSWE.2017.33.4.416 |
| Keywords |
Barium; Depth; Geological; Hazard Quotient; Natural mineral water; Rock |
| Abstract |
The subject samples include 150 and 170 samples collected from intake holes in the former and latter half of 2015, respectively. They were analyzed with ICP-MS. The average concentration of detected barium was 10.54 μg/L (0.23~168.22 μg/L) and 8.21 μg/L (0~255.65 μg/L) for the former and latter halves of 2015, respectively. The concentration distribution was the highest for the precambrian era at 19.07 μg/L and the lowest Cenozoic era at 4.92 μg/L. The average value for sedimentary, metamorphic, and igneous rocks was 7.84 μg/L, 20.84 μg/L, and 9.47 μg/L, respectively, which indicates that it was the highest for metamorphic rocks. The study also analyzed correlations between barium and other minerals and found thatmagnesium recorded 0.44 and 0.71 for the former and latter half of 2015, respectively. As for barium concentration according to depth, it was relatively low in shallow groundwater (under 200 m) with its average concentration at 14.33 μg/L and 14.71 μ g/L for the former and latter half of 2015, respectively. It was 8.53 μgL and 4.04 μg/L in deep groundwater (over 200 m) for the two periods, respectively, The risk assessment results show that its average risk was HQ 0.00139 and HQ 0.00163 for the former and latter half of 2015, respectively, being considerably lower than “1”, which suggests that barium poses few possibilities of consumption risk. |