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Waste Manag. 2009 Mar;29(3):1192-7. doi: 10.1016/j.wasman.2008.08.017. Epub 2008 Oct 11.

Waste on the roadside, 'poi-sute' waste: its distribution and elution potential of pollutants into environment.

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Shinshu University, Faculty of Textile Science and Technology, Department of Applied Biology, 3-15-1, Tokida, Ueda 386-8567, Japan. <>


Waste on the roadside, 'poi-sute' waste, was collected in a typical suburb in Japan (Ueda city, the sampling course: 3.2 km). The distribution, characterization of the 'poi-sute' waste and the loading of pollutants from the waste were studied. The average number of pieces of total waste was 690 pieces a month, and 220 pieces of waste were dumped a month per km. There was a tendency for much waste to be discarded around shops staying open until late at night. Regarding the sorts of the waste, cigarette butts are the most prevalent (the average was 150 cigarette butts/km/mo), and second was plastic materials. As for the weight, cigarette butts, plastics and papers were at a similar level (about 90 g/km/mo). The elution of arsenic (0.041 mg/L) and nicotine (3.8 mg/L) was ascertained by a dissolution test of 'poi-sute' cigarette butts obtained by sampling. Furthermore, the loading of heavy metals, such as lead, copper, chromium and cadmium, and polycyclic aromatic hydrocarbons (PAHs) from cigarette butts into the environment was confirmed. The load potentials of heavy metals were 0.020-1.7 mg/km/mo, and that of total-polyaromatic hydrocarbons was 0.032 mg/km/mo. These results indicate that the 'poi-sute' waste has a harmful influence on the environment.

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