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KMID : 0881720100250020148
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Journal of Food Hygiene and Safety
2010 Volume.25 No. 2 p.148 ~ p.152
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Childhood Arsenic Exposure and Health Risk Assessment from Rice Cultivated Near the Mining Areas in Korea
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Paik Min-Kyoung
Kim Won-Il
Im Geon-Jae
Hong Moo-Ki
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Abstract
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Domestic studies for identification of causality between children exposure to toxic chemicals, such as arsenic (As) and resulted hazardous effects were not implemented. This study was conducted to probabilistically estimate dietary As intake and health risk assessment for young children and all age-specific populations from the consumption of As-contaminated rice of Korea. Arsenic intakes for young children (1 to 6 years old) from As-contaminated rice were higher than other age-specific groups, based on a dose-per-body weight basis. Based on the current EPA cancer slope factor for As, estimated cancer risks (to the skin cancer) associated with dietary intake of As-contaminated rice for 1 to 2 years old group and 3 to years old group are 1.76 per 10,000 and 3.16 per 10,000, respectively, at the 50th percentile. Based on possible reference levels (0.005 mg/kg/day) for children, mean and 95th percentile value of HQ from rice for young children are very below 1.0, which is a regulatory limit of non-carcinogenic risks for human.
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KEYWORD
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arsenic, childhood, exposure, rice, risk assessment
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