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Subject

Development of Korean Exposure Factors for Children in Korea
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국내 어린이 위해성평가를 위한 노출계수 연구

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Type
Academic journal
Author
윤효정 (국립환경과학원 환경건강연구부) seojungkwan (국립환경연구원) 김탁수 (국립환경과학원 환경건강연구부) 김주현 (국립환경과학원 환경건강연구부) Areum Jo (국립환경과학원 환경건강연구부) LEE BYEONG WOO (국립환경과학원) 임현우 (국립환경과학원 환경건강연구부) 이대엽 (국립환경과학원 환경건강연구부) 김필제 (국립환경과학원 환경건강연구부) ChoiKyung-Hee (국립환경과학원) Wonho Yang (대구가톨릭대학교)
Journal
Korean Society of Envlromental Health 한국환경보건학회지 한국환경보건학회지 제43권 제3호 KCI Excellent Accredited Journal
Published
2017.6
Pages
167 - 175 (9page)

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Development of Korean Exposure Factors for Children in Korea
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Abstract· Keywords

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Objectives: Children may be more exposed to certain environmental contaminants because they react with greater sensitivity and have different food intakes and breathing rate per unit of body weight compared to adults. The aim of this study was to determine general exposure factors such as skin surface area, period and frequency of exposure, and others among Korean children aged ≤ 18 years old. This study was carried out as the first of its kind in Korea. Methods: We developed 23 recommended exposure factors for Korean children aged 0 to 18 years by reclassifying raw data from the National Health and Nutrition Examination Survey and the National Statistical Information Service, as well as through investigation by experiments in the absence of related data. Results: Reflecting the activity patterns of about 9,000 children, the daily inhalation rates for long-term exposure ranged from 9.49 m 3 /day for children from birth to <2 years to 14.98 m 3 /day for children aged 16 to <18 years. The research found that Korean children spent an average of 22.21 hours indoors, 0.67 hours outdoors, and 1.12 hours in-transit every day. Young children (≤ 2 years old) spent approximately 34 more minutes outdoors on weekends than they did on weekdays. Conclusion: Various physiological variables in the human body reflect characteristics of children that can directly influence risk exposure. Therefore, the identification of general exposure factors based on Korean children is required for appropriate risk assessment.

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