Quantification of toxic metals derived from macroplastic litter on Ookushi Beach, Japan

Etsuko Nakashima, Atsuhiko Isobe, Shinichiro Kako, Takaaki Itai, Shin Takahashi

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

The potential risk of toxic metals that could leach into a beach environment from plastic litter washed ashore on Ookushi Beach, Goto Islands, Japan was estimated by balloon aerial photography, in situ beach surveys, and leaching experiments in conjunction with a Fickian diffusion model analysis. Chromium (Cr), cadmium (Cd), tin (Sn), antimony (Sb), and lead (Pb) were detected in plastic litter collected during the beach surveys. Polyvinyl chloride (PVC) fishing floats contained the highest quantity of Pb. Balloon aerial photography in conjunction with a beach survey gave an estimated mass of Pb derived from plastic litter of 313 ± 247 g. Lead leaching experiments on collected PVC floats showed that Pb in the plastic litter could leach into surrounding water on the actual beach, and that plastic litter may act as a "transport vector" of toxic metals to the beach environment. Using the experimental data, the total mass of Pb that could leach from PVC plastic litter over a year onto Ookushi Beach was estimated as 0.6 ± 0.6 g/year, suggesting that toxic metals derived from plastic beach litter are a potential "pathway" to contamination of the beach environment due to their accumulation in beach soil over time.

Original languageEnglish
Pages (from-to)10099-10105
Number of pages7
JournalEnvironmental Science and Technology
Volume46
Issue number18
DOIs
Publication statusPublished - Sep 18 2012
Externally publishedYes

Fingerprint

Poisons
Beaches
litter
beach
Metals
plastic
Plastics
Polyvinyl Chloride
Aerial photography
Balloons
aerial photography
Leaching
toxic metal
leaching
Antimony
Tin
antimony
Chromium
Cadmium
tin

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Environmental Chemistry

Cite this

Quantification of toxic metals derived from macroplastic litter on Ookushi Beach, Japan. / Nakashima, Etsuko; Isobe, Atsuhiko; Kako, Shinichiro; Itai, Takaaki; Takahashi, Shin.

In: Environmental Science and Technology, Vol. 46, No. 18, 18.09.2012, p. 10099-10105.

Research output: Contribution to journalArticle

Nakashima, Etsuko ; Isobe, Atsuhiko ; Kako, Shinichiro ; Itai, Takaaki ; Takahashi, Shin. / Quantification of toxic metals derived from macroplastic litter on Ookushi Beach, Japan. In: Environmental Science and Technology. 2012 ; Vol. 46, No. 18. pp. 10099-10105.
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