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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.1
- 수록면
- 41 - 47 (7page)
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초록· 키워드
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This study aimed to assess the human health risk from chronic intake of 3-chloro-4-(dichloromethyl)-5-hydroxy-2(5H)-furanone (MX) in chlorinated drinking water, specifically considering its thermal stability in the course of the preparation of hot beverages, soups, and stews. Nine tap-water samples were collected from three cities, as were two finished samples from two water treatment plants in a Korean city in 2008 and 2009. The MX concentrations were measured by liquid-liquid extraction followed by derivatization to a methylated analog and quantitation by GC/MS. The MX concentrations were found to be 17.8±5.3 (12.7~30.0) ng/L for the tap-water samples, and 90.6 and 36.0 ng/L for the plant samples. A boiling test of MX stability in water showed MX concentration decreases of 42.0, 44.4 and 49.0% for 5, 10 and 30 min boiling periods, respectively. Considering water consumption patterns and thermal concentration decreases, the excess lifetime cancer risks (ELCRs), calculated according to the US EPA approach, showed ELCRs of 1.08×10<SUP>−6</SUP> and 1.82×10<SUP>−6</SUP> for the average and maximum MX concentrations, respectively. These results suggest that chronic intake of MX in chlorinated drinking water does not incur an unreasonable level of cancer risk.
목차
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
REFERENCES
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UCI(KEPA) : I410-ECN-0101-2018-539-001214158