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Arsenic Contamination of Polished Rice Produced in Abandoned Mine Areas and Its Potential Human Risk Assessment using Probabilistic Techniques
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 Title & Authors
Arsenic Contamination of Polished Rice Produced in Abandoned Mine Areas and Its Potential Human Risk Assessment using Probabilistic Techniques
Lee, Ji-Ho; Kim, Won-Il; Jeong, Eun-Jung; Yoo, Ji-Hyock; Kim, Ji-Young; Paik, Min-Kyung; Park, Byung-Jun; Im, Geon-Jae; Hong, Moo-Ki;
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BACKGROUND: This study was conducted to investigate the arsenic (As) contaminations in polished rice cultivated nearby abandoned mine areas, and to estimate the potential health risk through dietary intake of As-enriched polished rice in each age-gender population. METHODS AND RESULTS: The As contents in polished rice grown fifteen abandoned mine areas were analyzed. The average daily intake (ADD) as well as probabilistic health risk were estimated by assuming probability distribution of exposure parameters. The average total As concentration in polished rice was mg/kg with a range of 0.02~0.35 mg/kg. For health risk assessment, the ADD values in all age-gender populations did not exceed the provisional tolerable daily intake (PTDI) of 2.1 b.w./day for inorganic As. Cancer risk probability (R) values were and for all age population and gender population, respectively. Particularly, the R value, , for children less than six years old were estimated to be high. Hazard quotient (HQ) values were 0.23~0.31 and 0.11~0.33 for general population and age-gender population, respectively. CONCLUSION(s): The average R values assessed via intake of polished rice cultivated in abandoned mine areas exceeded the acceptable cancer risk of for regulatory purpose. Considering the HQ values smaller than 1.0, potential non-cancer toxic effects may not be caused by the long-time exposure through intake of As-contaminated polished rice.
Abandoned mines;Arsenic;Cancer risk probability;Hazard quotient;Polished rice;
 Cited by
우리나라 농경지 중금속 동태 및 작물흡수 연구동향,이지호;김지영;고우리;정은정;;정구복;김두호;김원일;

한국환경농학회지, 2012. vol.31. 1, pp.75-95 crossref(new window)
국내 유통 버섯 중 중금속 함량 조사 및 위해성 평가,김지영;류지혁;이지호;김민지;강대원;고현석;홍수명;임건재;김두호;정구복;김원일;

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