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Environment Parameters Affecting Heavy Metal Concentration in Sand Collected from Children Playground in Seoul Metropolitan Area
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 Title & Authors
Environment Parameters Affecting Heavy Metal Concentration in Sand Collected from Children Playground in Seoul Metropolitan Area
An, Hyunsun; Kim, Juhee; Hyun, Seunghun;
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 Abstract
The concentrations of heavy metals such as cadmium (Cd), chromium (Cr), copper (Cu), lead (Pb), zinc (Zn), nickel (Ni), and arsenic (As) in sand samples collected from selected children's playground and their correlation with environmental parameters, such as concentration of particulate matter in the atmosphere (), apartment age (> 5 years), clay and organic matter contents in sand samples, were analyzed. The average heavy metal concentration in samples was 0.040 mg for Cd, 0.200 mg for Cr, 1.75 mg for Cu, 15.1 mg for Ni, 3.42 mg for Pb, 66.7 mg for Zn and 0.750 mg for As, all of which were below the environmental regulatory level established by Korea Ministry of Environment. However, in the consideration of direct and oral exposure by children to playground sand, the risk of the concentration range in the samples might be greatly enhanced. Heavy metal concentration in samples collected from high (> ) area was slightly greater than in samples from low (< ), indicating the contribution of particulate matter in air phase to heavy metal concentration in playground sand samples. The concentrations of both Cd and Pb were the highest in apartments older than 21 years (0.050 mg and 5.28 mg for Cd and Pb respectively) and showed positive correlation with apartment age (p<0.01 and p<0.001 for Cd and Pb, respectively). Clay content in playground sands ranged 3.8~11.2% and was positively correlated with heavy metal concentration. Organic matter content was negligible (mostly < 0.1%) and showed poor correlation with heavy metal concentration. In conclusion, concentration of heavy metals in playground sand was found to be predominantly influenced by the apartment age and clay content in sand samples and supplemented by dust deposition of particulate matter () from atmosphere.
 Keywords
Heavy metals;Playground sand;;Apartment age;
 Language
Korean
 Cited by
1.
어린이 놀이시설의 소재 색상에 따른 유해중금속 분석 연구,허선혜;원종일;

한국안전학회지, 2015. vol.30. 2, pp.14-20 crossref(new window)
1.
Analysis of Hazardous Heavy Metal in Colored Materials of Playground Facility for Children, Journal of the Korean Society of Safety, 2015, 30, 2, 14  crossref(new windwow)
2.
Are children playgrounds safe play areas? Inorganic analysis and lead isotope ratios for contamination assessment in recreational (Brazilian) parks, Environmental Science and Pollution Research, 2017  crossref(new windwow)
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