Heavy Metals in Soil and Sand from Playgrounds of canakkale City (Turkey), and Related Health Risks for Children
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Tarih
2022
Yazarlar
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Mdpi
Erişim Hakkı
info:eu-repo/semantics/openAccess
Özet
Children spend most of their time in playgrounds and, in parallel, constitute the social group most sensitive to contaminants. Here, we present the results of a comparative study of heavy-metal contents between soils and sand from sandboxes obtained from playgrounds of canakkale city. Average contents of soils followed the order of iron (Fe) (12,901 mg kg(-1)) > manganese (Mn) (475 mg kg(-1)) > zinc (Zn) (58 mg kg(-1)) > copper (Cu) (28 mg kg(-1)) > nickel (Ni), chromium (Cr) (21 mg kg(-1)) > lead (Pb) (18 mg kg(-1)). Sand had lower contents, however, due to the reduction of particles size through prolonged use, and accumulation of Fe/Mn (oxyhydr)oxides on sand grains tended to diminish the differences between soils and sand. Through chemometric analysis, Cr and Ni were found to have a lithogenic origin, while the rest of metals were related to anthropogenic activities. Spatially, heavy-metal contents followed the pattern of the city's sprawl. Risk estimates on children's health showed that ingestion was the most important exposure route, followed by dermal contact and inhalation. Exposure of children to sand was of similar importance to that of soils. These findings are significant, as the contamination of sand has not yet received much attention compared to the soil of playgrounds.
Açıklama
Anahtar Kelimeler
trace elements, urban soil, playgrounds, sandboxes, risk assessment, exposure pathways, health hazard
Kaynak
Sustainability
WoS Q Değeri
Q2
Scopus Q Değeri
Q1
Cilt
14
Sayı
3
