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- E-ISSN 2288-8985
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Characteristics of heavy metals's exposure from playground flooring
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2012, v.25 no.6, pp.416-420
https://doi.org/10.5806/AST.2012.25.6.416
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(2012). Characteristics of heavy metals's exposure from playground flooring. Analytical Science and Technology, 25(6), 416-420, https://doi.org/10.5806/AST.2012.25.6.416
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Abstract
The increasing use of recycling products results in the need for assessing the risk to human health. In this study heavy metals's contents of playground flooring were compared with rubber powder which is row material. And it is reviewed characteristics of heavy metals's exposure from absorption of skin, checking amount of dermal uptake for each heavy metal. Despite its high content, Zn had a very low migration rate with 0.1mg/cm2. This indicates that Zn is not easily released by surface contact. However, the contents of Fe and Al in flooring were 12 times higher than that of Zn and Fe, and Al showed migration rate 5 times higher than that of Zn. This implies that Fe and Al were derived from pigment in flooring. The measurement of dermal exposure to heavy metals at 6 playgrounds found higher level of exposure in Ba than in other heavy metals. It is assumed that despite high content of Zn, Ba had a higher exposure rate because five times as much Ba as Zn was darmal absorptionactor (AFdarmal).
- keywords
- recycling, assessing, exposure, playground flooring, rubber powder
Reference
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