Influence of paint chips on lead concentration in the soil of public playgrounds in Tokyo

Journal of Environmental Monitoring : JEM
Michie TakaokaAtsushi Tanaka

Abstract

Lead concentration in the surface soils from 31 playgrounds in a ward in Tokyo was measured to examine if paint chips, peeled off from playing equipment installed in the playgrounds, contribute to elevated Pb concentration in the soil of public playgrounds. Lead concentration in the paint chips sampled from playgrounds ranged from 0.003 to 8.9%. Lead concentration in the surface soil ranged from 15.2 to 237 mg kg(-1) (average, 55.5 mg kg(-1)) and higher Pb concentration was found in the soil near painted playing equipment indicating that paint chips from playing equipment contributed to increase soil Pb level of playgrounds in Tokyo. The degree of peeling-off of paint on the surface of playing equipment in the public playground (peeling-off index: POI) positively correlated with Pb concentration in the soil (Spearman rank-correlation coefficient, r = 0.366, p = 0.043). The stronger correlation between Pb concentration and isotope ratios (207Pb/206Pb and Pb conc., r = 0.536, p = 0.002, 208Pb/206Pb and Pb conc. r = 0.600, p < 0.001) than that between Pb and POI indicated that gasoline Pb contributed more to the playground-to-playground variation in soil Pb concentration. It was concluded that both gasoline Pb of the past and pain...Continue Reading

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Citations

Oct 10, 2009·Environmental Science and Pollution Research International·Megumi Matsumoto, Jun Yoshinaga
Apr 25, 2012·Environmental Health and Preventive Medicine·Jun Yoshinaga
Jan 15, 2011·Analytical Sciences : the International Journal of the Japan Society for Analytical Chemistry·Mai TakagiHaruhiko Seyama
Jul 21, 2010·International Journal of Environmental Research and Public Health·John Kanayochukwu Nduka, Orish Ebere Orisakwe
Jan 19, 2016·The Science of the Total Environment·Andrew Turner, Kevin R Solman
Dec 15, 2015·The Science of the Total Environment·Andrew TurnerKevin R Solman
Nov 25, 2011·Chemosphere·Andrew Turner, Y S K Sogo
Jun 24, 2015·Environmental Geochemistry and Health·Paula Adánez SanjuánAngel Garcia Cortés
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Nov 29, 2008·Toxicology and Industrial Health·J K C NdukaC A Maduawguna
Jan 12, 2017·International Journal of Environmental Research and Public Health·Hokuto NakataMayumi Ishizuka
Sep 12, 2018·Environmental Science and Pollution Research International·Isabelle Nogueira LerouxKelly Polido Kaneshiro Olympio
Jun 23, 2021·Proceedings of the National Academy of Sciences of the United States of America·Eléonore ResonglesDominik J Weiss

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