지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.3
- 수록면
- 61 - 75 (15page)
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초록· 키워드
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Background: We evaluated the level and factors of heavy metal exposure to children residing in the Togttsetsii, Khanbogd, and Bayandalai soums of South Gobi province, Mongolia.
Methods: A total of 118 children aged 9–12 years were surveyed, and the level of heavy metal exposure in their bodies was investigated. Exposure was investigated by measuring concentrations of heavy metals such as cadmium, lead, and mercury in the blood; mercury concentration in the hair; and total arsenic in the urine.
Results: Blood cadmium concentration had geometric averages of 0.16 ㎍/L in the children from Bayandalai, 0.15 ㎍/L Tsogttsetsii, and 0.16 ㎍/L Khanbogd. Blood lead concentration showed a relatively higher geometric average of 7.42 ㎍/dL in the children from Bayandalai compared to 4.78 ㎍/dL and 5.15 ㎍/dL in those from Tsogttsetsii and Khanbogd, respectively. While blood mercury concentration was the highest in the children from Bayandalai, with a value of 0.38 ㎍/L, those from Tsogttsetsii and Khanbogd had similar concentrations of 0.29 ㎍/L and 0.29 ㎍/L, respectively. Hair mercury concentration was the highest in the children from Bayandalai, with a value of 78 ㎍/g, a particularly significant difference, with a concentration of 0.50 ㎍/g in those from Khanbogd. Urine arsenic concentration was the highest in the children from Khanbogd, with a value of 36.93 ㎍/L; it was 26.11 ㎍/L in those from Bayandalai and 23.89 ㎍/L in those from Tsogttsetsii.
Conclusions: The high blood lead concentration of children in Bayandalai was judged to be due to other factors in addition to mine exposure; the reason why blood and hair mercury concentration was higher in children from Bayandalai may have been due to exposure to many small-scale gold mines in the area. In the case of Khanbogd, it was estimated that the high arsenic level in urine was caused by the effect of mines.
Methods: A total of 118 children aged 9–12 years were surveyed, and the level of heavy metal exposure in their bodies was investigated. Exposure was investigated by measuring concentrations of heavy metals such as cadmium, lead, and mercury in the blood; mercury concentration in the hair; and total arsenic in the urine.
Results: Blood cadmium concentration had geometric averages of 0.16 ㎍/L in the children from Bayandalai, 0.15 ㎍/L Tsogttsetsii, and 0.16 ㎍/L Khanbogd. Blood lead concentration showed a relatively higher geometric average of 7.42 ㎍/dL in the children from Bayandalai compared to 4.78 ㎍/dL and 5.15 ㎍/dL in those from Tsogttsetsii and Khanbogd, respectively. While blood mercury concentration was the highest in the children from Bayandalai, with a value of 0.38 ㎍/L, those from Tsogttsetsii and Khanbogd had similar concentrations of 0.29 ㎍/L and 0.29 ㎍/L, respectively. Hair mercury concentration was the highest in the children from Bayandalai, with a value of 78 ㎍/g, a particularly significant difference, with a concentration of 0.50 ㎍/g in those from Khanbogd. Urine arsenic concentration was the highest in the children from Khanbogd, with a value of 36.93 ㎍/L; it was 26.11 ㎍/L in those from Bayandalai and 23.89 ㎍/L in those from Tsogttsetsii.
Conclusions: The high blood lead concentration of children in Bayandalai was judged to be due to other factors in addition to mine exposure; the reason why blood and hair mercury concentration was higher in children from Bayandalai may have been due to exposure to many small-scale gold mines in the area. In the case of Khanbogd, it was estimated that the high arsenic level in urine was caused by the effect of mines.
목차
ABSTRACT
BACKGROUND
METHODS
RESULTS
DISCUSSION
CONCLUSIONS
REFERENCES
참고문헌 (34)
참고문헌 신청
National Statistics Office of Mongolia / Social and economic situation of Mongolia
Oyu Tolgoi LLC / Year in review-2018 to the shareholders of Oyu Tolgoi LLC
Doležalová Weissmannová H / 2019 / Potential ecological risk and human health risk assessment of heavy metal pollution in industrial affected soils by coal mining and metallurgy in Ostrava, Czech Republic / Int J Environ Res Public Health 16(22):E4495
Fan Y / 2017 / Heavy metal contamination in soil and brown rice and human health risk assessment near three mining areas in Central China / J Healthc Eng 2017:4124302
Mahato MK / 2017 / Assessment of mine water quality using heavy metal pollution index in a coal mining area of Damodar River Basin, India / Bull Environ Contam Toxicol 99(1):54~61
Oyu Tolgoi LLC / Year in review-2018 to the shareholders of Oyu Tolgoi LLC
Doležalová Weissmannová H / 2019 / Potential ecological risk and human health risk assessment of heavy metal pollution in industrial affected soils by coal mining and metallurgy in Ostrava, Czech Republic / Int J Environ Res Public Health 16(22):E4495
Fan Y / 2017 / Heavy metal contamination in soil and brown rice and human health risk assessment near three mining areas in Central China / J Healthc Eng 2017:4124302
Mahato MK / 2017 / Assessment of mine water quality using heavy metal pollution index in a coal mining area of Damodar River Basin, India / Bull Environ Contam Toxicol 99(1):54~61
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